CN102699394A - Sleeve embedding groove type processing tool adopting clamp spring connecting structure - Google Patents
Sleeve embedding groove type processing tool adopting clamp spring connecting structure Download PDFInfo
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- CN102699394A CN102699394A CN2012102212621A CN201210221262A CN102699394A CN 102699394 A CN102699394 A CN 102699394A CN 2012102212621 A CN2012102212621 A CN 2012102212621A CN 201210221262 A CN201210221262 A CN 201210221262A CN 102699394 A CN102699394 A CN 102699394A
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- sleeve
- drill bit
- jump ring
- processing tool
- groove type
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Abstract
The invention relates to a sleeve embedding groove type processing tool adopting a clamp spring connecting structure, which is fixed and clamped by a spanner drill chuck and used for drilling the hard alloy material with the thickness being 5-10mm. The processing tool comprises a drill bit, a top end sleeve piece, a rod body piece and a sleeve cylinder, wherein a top end sleeve piece is connected with the drill bit; the rod body piece is connected with the top end sleeve piece in interference fitting manner; the sleeve cylinder is sleeved at the outer part of the rod body piece, a clamp spring positioning piece arranged in an embedding groove manner is further connected between the top end sleeve piece and the rod body piece; and the spanner drill chuck is fixed and clamped on the outer wall of the sleeve. According to the sleeve embedding groove type processing tool, the structure is simple and the manufacturing cost is low; the shortcomings and limits in the prior art can be solved; the stability in the process of drilling is guaranteed; the processing quality and the processing efficiency are effectively improved; and furthermore, the application scale is wide.
Description
Technical field
The present invention relates to a kind of is the hole frock of processing of the Hardmetal materials of 5～10mm to thickness, refers in particular to a kind of sleeve embedded groove type processing tool that adopts the jump ring syndeton, belongs to the technical field of pincers bed processing mold.
Background technology
In the mould of middle and small motor is made, need prepare special tooling often and cooperate the mold parts manufacturing, some special dies frocks need adopt the Hardmetal materials processing of holing, and are assembled into special tooling after the completion again.
In the prior art, employed special frock during mould is made is selected the discarded cutter blade of being processed by Hardmetal materials usually for use, generally carries out profile processing and forming and boring processing.Wire cutting technology is generally adopted in sharp processing to mould.And for the boring of mould processing, if directly adopt the mode of Twist Drill processing, because fluted drill self hardness is far away from Hardmetal materials, so this technology obviously is not suitable for.
At present, to above-mentioned special processing technology, the special toolings that following three kinds of different syndetons of application are arranged commonly used comprise: screw connection structure, integrative-structure and welding connection structure.Yet the effect after using according to reality, more than three kinds of special toolings of using different syndetons, shortcoming and restriction below existing respectively.
1, adopts screw connection structure
This processing tool is respectively the top external member to be connected through thread connecting mode with shaft spare.Though easy and simple to handle, and be easy for installation and removal, for the boring processing of the Hardmetal materials that needs high rigidity, high pulling torque, only dependence is threaded and meshes, and its processing intensity and frock self intensity all do not reach the technological requirement of required carrying.Even in process, screw thread just bursts apart, and causes between the connector to break away from.
2, adopt integrative-structure
This processing tool is meant that top external member and shaft spare are overall structures, on processing intensity and frock self intensity, all is significantly increased than screw connection structure.But during for the through hole of need processing different size, it all is corresponding one by one (promptly singly joining) owing to drill through pore size and the processing assembly of each through hole.Therefore cost of manufacture is too high, and working (machining) efficiency is low.
3, adopt welding connection structure
This processing tool is respectively the top external member to be connected through welding connecting mode with shaft spare.Though the defective of the undercapacity that can effectively avoid causing because of screw connection structure; But overall processing receives force intensity still to carry technological requirement inadequately; And the connection between top external member and the shaft spare only relies on spot welding to support, and is difficult to guarantee in the whole machining process process, remain a state stably.Especially when the drill press spindle drilling speed is higher, the parts in the processing assembly are under situation about increasing around degree, and the easy phenomenon that fractures, even be thrown out of drilling machine causes potential safety hazard, and serious also can damage operating personnel.
In addition, although spot weld operation is welded to connect top external member and shaft spare, yet in practical operation; Inconvenient especially during dismounting; In case undue force will cause the grazing between top external member and the shaft spare, causes the size distortion of each parts; So that the damage of parts cooperation place forms the assembling loss.
So, above three kinds of all difficult completion of processing tool of adopting traditional syndeton of the prior art to Hardmetal materials processing bore process.Based on above-mentioned; Be necessary very much to propose a kind of processing tool that adopts new Joining Structure; Can satisfy the technological requirement that thicker Hardmetal materials is holed, and can get out the complete through hole of outward appearance fast and effectively, guarantee that simultaneously the whole machining process process status is steady.
Summary of the invention
The purpose of this invention is to provide a kind of sleeve embedded groove type processing tool that adopts the jump ring syndeton; Being used for thickness is the processing of holing of the Hardmetal materials of 5～10mm; Simple in structure, manufacturing cost is lower, the stationarity in the process that can effectively guarantee to hole; Improve crudy and efficient, applied range.
Be to realize above-mentioned purpose, the present invention provides a kind of sleeve embedded groove type processing tool that adopts the jump ring syndeton, and it is by the spanner drill chuck fixed clamp, and being used for thickness is the processing of holing of the Hardmetal materials of 5～10mm; This processing tool comprises: drill bit; The top external member that is connected with said drill bit; The shaft spare that is connected through interference with said top external member; Be set in the outside sleeve of said shaft spare; Wherein, also be connected with the jump ring spacer that is provided with through embedded groove type between said top external member and the shaft spare; Said spanner drill chuck fixed clamp is on the outer wall of sleeve.
Said drill bit adopts the wolfram steel material to process.
One of them end face center of said top external member offers drill bit fixed installation hole, and the external diameter of its internal diameter and said drill bit matches, and the tail end of said drill bit is inserted in the drill bit fixed installation hole, and through welding said drill bit is fixedly connected with the top external member; Another end face of said top external member is provided with first connector, and diameter offers first groove in the end face upper edge of this first connector.
The length that said drill bit inserts in the drill bit fixed installation hole is the half the of this drill bit length overall at least; Said drill bit exposes length outside drill bit fixed installation hole greater than the thickness of Hardmetal materials.
Position, aperture in said drill bit fixed installation hole is provided with the back taper ledge structure.
Said jump ring spacer is I-shaped, and the width of its two-end part is greater than the width of middle part; The exterior angle all is radiussed around this jump ring spacer; Insert in first groove of said top external member one side middle part of this jump ring spacer.
One end of said shaft spare is provided with second connector, offers the interference connecting hole at the end face center of this second connector, and diameter offers caulking groove in the end face upper edge of this second connector; It is outside that said second connector that offers the interference connecting hole is set in first connector; Insert in the caulking groove of said shaft spare the second side middle part of said jump ring spacer; The other end of said shaft spare is provided with the 3rd connector, and evenly distributed and arranged has some second grooves on the cylindrical outer surface of said the 3rd connector.
Middle part at said shaft spare is provided with limited step.
Said sleeve is made up of two semicircle sleeves, and the inwall of this semicircle sleeve is provided with some concave slots, and it is provided with the corresponding one by one fastening of some second grooves on quantity, distributing position and size and said the 3rd connector cylindrical outer surface; The outer wall of said semicircle sleeve is provided with annular knurl.
The sleeve embedded groove type processing tool of employing jump ring syndeton provided by the present invention compared with prior art, has following beneficial effect.
1, the present invention has improved the connected mode between top external member and the shaft spare; Neither can take place because of the contingent skidding that is threaded; And the jump ring spacer can guarantee again in boring procedure, is fitted and connected between top external member and the shaft spare to form as a wholely, transfer phenomenon can not take place; Do not rock, not eccentric, effectively guaranteed stationarity and crudy in the boring process.
2, the present invention is provided with the semicircle sleeve in shaft spare outer cover; Fasten through its built-in concave slot and the recess-mounted on the shaft spare; Make processing tool in the high-speed drilling process, can obtain enough moments of torsion, smooth with around the through hole that guarantees to get out and edge; Can not produce bad outward appearances such as burr, corner angle limit, overlap, effectively improve drilling efficiency and quality.
3, processing tool installation and removal of the present invention are all very convenient, and can guarantee to greatest extent that top external member and shaft spare dimensional accuracy does not separately receive the influence of assembly and disassembly and size distortion takes place.
In sum, the sleeve embedded groove type processing tool of jump ring syndeton provided by the present invention can effectively solve the shortcoming and the restriction that exist in the prior art; Reduce manufacturing cost; Improve working (machining) efficiency and quality, and have high accuracy, high universalizable and advantage such as widely applicable.
Description of drawings
Fig. 1 is for adopting the process sketch map of the sleeve embedded groove type processing tool of jump ring syndeton among the present invention;
Fig. 2 is for adopting the cross-sectional view of the sleeve embedded groove type processing tool of jump ring syndeton among the present invention;
Fig. 3 is the cross-sectional view of top external member among the present invention;
Fig. 4 is the structural representation of jump ring spacer among the present invention;
Fig. 5 is the cross-sectional view after drill bit, top external member and jump ring spacer are assembled among the present invention;
Fig. 6 is the cross-sectional view of shaft spare among the present invention;
Fig. 7 is the vertical view of Fig. 6, shows the end face structure of second connector on the shaft spare;
Fig. 8 is located at the end view on the shaft spare for semicircle jacket casing among the present invention.
The specific embodiment
Below in conjunction with Fig. 1～Fig. 8, specify a preferred embodiment of the present invention.
As shown in Figure 1, be the process sketch map among the present invention, this processing tool 2 is by spanner drill chuck 1 fixed clamp, and being used for thickness is the processing of holing of the Hardmetal materials 3 of 5～10mm.As shown in Figure 2, said processing tool comprises: drill bit 4; The top external member 5 that is connected with said drill bit 4; The shaft spare 8 that is connected through interference with said top external member 5; Be set in the sleeve of said shaft spare 8 outsides; Wherein, also be connected with the jump ring spacer 6 that is provided with through embedded groove type between said top external member 5 and the shaft spare 8; Said spanner drill chuck 1 fixed clamp is on the outer wall of sleeve.
Said drill bit 4 adopts the wolfram steel material to process.
Said top external member 5 adopts the Cr12 steel to process, and heat-treats, and carries out lonneal again after promptly quenching, thereby obtains higher surface hardness and intensity.As shown in Figure 3, one of them end face center of said top external member 5 offers drill bit fixed installation hole 53, the tail end of said drill bit 4 is inserted in the drill bit fixed installation hole 53, and through welding said drill bit 4 is fixedly connected with top external member 5; Another end face of said top external member 5 is provided with first connector 51, and diameter offers first groove 52 in the end face upper edge of this first connector 51.
Wherein, the internal diameter in said drill bit fixed installation hole 53 and the external diameter of said drill bit 4 match.The length that said drill bit 4 inserts in the drill bit fixed installation hole 53 is the half the of these drill bit 4 length overalls at least, and before guaranteeing welding, it is firm that drill bit 4 can keep in top external member 5.Said drill bit 4 exposes the thickness of the length outer in drill bit fixed installation hole 53 greater than Hardmetal materials 3, in order to guaranteeing adding man-hour holing, thereby can drill Hardmetal materials 3 formation through holes fully.
Further; Position, aperture in said drill bit fixed installation hole 53 is provided with back taper ledge structure 54; In welding process, this back taper ledge structure 54 can make said drill bit 4 by compact reactor to greatest extent be embedded in scolding tin 7 (as shown in Figure 5) around, forms one and wraps up shape; Guarantee that drill bit 4 can be fastenedly connected in top external member 5; Guarantee simultaneously that when utilizing processing tool of the present invention that Hardmetal materials is holed around the through hole that is got out and edge can not produce bad outward appearances such as burr, corner angle limit and overlap, improves the quality of boring processing.
Said jump ring spacer 6 can adopt discarded cutter blade.As shown in Figure 4, this jump ring spacer 6 is " worker " font, and promptly the width of its two-end part is greater than the width of middle part.The exterior angle all is radiussed around the said jump ring spacer 6, avoids operating personnel's finger of in the process of installation or removal processing tool of the present invention, damaging.As shown in Figure 5, insert in first groove 52 of said top external member 5 a side middle part of said jump ring spacer 6.
Said shaft spare 8 adopts the Cr12 steel to process, and heat-treats, and carries out lonneal again after promptly quenching, thereby obtains higher surface hardness and intensity.As shown in Figure 6, an end of said shaft spare 8 is provided with second connector 81, offers interference connecting hole 82 at the end face center of this second connector 81, and diameter offers caulking groove 83 (as shown in Figure 7) in the end face upper edge of this second connector 81.Wherein, Said second connector 81 that offers interference connecting hole 82 is set in first connector, 51 outsides; First connector 51 that is top external member 5 is inclusive in second connector 81 of shaft spare 8, thereby makes that forming interference between top external member 5 and the shaft spare 8 is connected.Insert in the caulking groove 83 of said shaft spare 8 the second side middle part of said jump ring spacer 6, makes between said top external member 5 and the shaft spare 8 that also the jump ring spacer 6 through the embedded groove type setting connects.The connected mode of above-mentioned this connection top external member 5 and shaft spare 8; Can guarantee that the whole machining process frock is clamped in when being hanging shape on the spanner drill chuck 1; Top external member 5 can not separated situation about coming off with shaft spare 8; And be in the boring procedure of rotation at a high speed in the whole machining process frock, can not skid, guarantee the validity of boring processing.
The other end of said shaft spare 8 is provided with the 3rd connector 85, and evenly distributed and arranged has some second grooves 86 on the cylindrical outer surface of said the 3rd connector 85.In the present embodiment, evenly distributed and arranged has 4 second grooves 86 on the cylindrical outer surface of said the 3rd connector 85.Be provided with limited step 84 in the middle part of said shaft spare 8,, guarantee the plateau in the whole boring process in order to prevent spanner drill chuck 1 slippage downwards and influence drilling quality in the boring process.
Said sleeve is made up of two semicircle sleeves 9, and it adopts the Cr12 steel to process, and heat-treats, and carries out lonneal again after promptly quenching, thereby obtains higher surface hardness and intensity.The inwall of said semicircle sleeve 9 is provided with some concave slots; It is provided with the corresponding one by one fastening of some second grooves 86 on quantity, distributing position and size and said the 3rd connector 85 cylindrical outer surface; Like Fig. 8 and shown in Figure 1, make said two semicircle sleeves 9 be set in the 3rd connector 85 outsides of shaft spare 8.In the present embodiment, a complete sleeve lining that is made up of two semicircle sleeves 9 is provided with four convex slots with the corresponding one by one fastening of second groove 86.Being provided with of semicircle sleeve can be avoided directly spanner drill chuck 1 being clamped in producing wearing and tearing on the shaft spare 8; Even if because of spanner drill chuck 1 clamping causes wearing and tearing, also can solve on the outer circumferential walls of semicircle sleeve 9, effectively reduce manufacturing cost through only changing the semicircle sleeve.The outer wall of said semicircle sleeve 9 is provided with annular knurl, to increase the frictional resistance between spanner drill chuck 1 and the semicircle sleeve 9, prevents in process, to skid and influences crudy.
The sleeve embedded groove type processing tool of employing jump ring syndeton provided by the present invention compared with prior art, has following beneficial effect.
1, the present invention has improved the connected mode between top external member and the shaft spare, and it connects the location through the jump ring spacer that embedded groove type is provided with, and also adopts the non-of interference to be fastenedly connected between the two.Neither can take place because of the contingent skidding that is threaded; And the jump ring spacer can be guaranteed in boring procedure again; Be fitted and connected between top external member and the shaft spare form as a whole; Transfer phenomenon can not take place, not rock, not eccentric, effectively guaranteed stationarity and crudy in the boring process.
Because said jump ring spacer adopts cutter blade as raw material, has high thermohardening, can bear very big load and also be difficult for bending, rupturing, therefore can satisfy processing technology to Hardmetal materials.
2, the present invention is provided with the semicircle sleeve in shaft spare outer cover, because when thicker Hardmetal materials is holed, if directly hole through shaft spare; Because machined material is thicker; Can produce huge frictional force between drill bit and the processed Hardmetal materials during boring, may cause torque-on-bit not enough, cause the bore periphery that drill hole has corner angle to produce or the boring back forms that burnt trace or flange are arranged; Cause outward appearance not satisfactory, directly influence drilling quality.Therefore; Semicircle sleeve of the present invention fastens through its built-in concave slot and the recess-mounted on the shaft spare; Make the whole machining process frock under equal drilling speed effect, can obtain enough moments of torsion, smooth with around the through hole that guarantees to get out and edge; Can not produce bad outward appearances such as burr, corner angle limit, overlap, effectively improve drilling efficiency and quality.Simultaneously, said semicircle sleeve can also increase spanner drill chuck and sleeve is added the frictional resistance between the section of holding, and prevents in the processing boring procedure, to skid between spanner drill chuck and the semicircle sleeve.
3, it is all very convenient that processing tool of the present invention is installed still processing back dismounting before processing.Can be as welding manner of the prior art need flower strength to separate top external member and shaft spare are rigid.Simultaneously, the present invention can guarantee to greatest extent that top external member and shaft spare dimensional accuracy does not separately receive the influence of assembly and disassembly and size distortion takes place.
In sum, the sleeve embedded groove type processing tool of employing jump ring syndeton provided by the present invention can effectively solve the shortcoming and the restriction that exist in the prior art; Reduce manufacturing cost; Improve working (machining) efficiency, and have high accuracy, high universalizable and advantage such as widely applicable.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (10)
1. sleeve embedded groove type processing tool that adopts the jump ring syndeton, by spanner drill chuck (1) fixed clamp, being used for thickness is the processing of holing of the Hardmetal materials (3) of 5～10mm; It is characterized in that this processing tool comprises:
Drill bit (4);
The top external member (5) that is connected with said drill bit (4);
The shaft spare (8) that is connected through interference with said top external member (5);
Be set in the outside sleeve of said shaft spare (8);
Wherein, also be connected with the jump ring spacer (6) that is provided with through embedded groove type between said top external member (5) and the shaft spare (8);
Said spanner drill chuck (1) fixed clamp is on the outer wall of sleeve.
2. the sleeve embedded groove type processing tool of employing jump ring syndeton as claimed in claim 1 is characterized in that, said drill bit (4) adopts the wolfram steel material to process.
3. the sleeve embedded groove type processing tool of employing jump ring syndeton as claimed in claim 1; It is characterized in that; One of them end face center of said top external member (5) offers drill bit fixed installation hole (53); The external diameter of its internal diameter and said drill bit (4) matches, and the tail end of said drill bit (4) is inserted in the drill bit fixed installation hole (53), and through welding said drill bit (4) is fixedly connected with top external member (5);
Another end face of said top external member (5) is provided with first connector (51), and diameter offers first groove (52) in the end face upper edge of this first connector (51).
4. the sleeve embedded groove type processing tool of employing jump ring syndeton as claimed in claim 3 is characterized in that, the length that said drill bit (4) inserts in the drill bit fixed installation hole (53) is the half the of this drill bit (4) length overall at least; Said drill bit (4) exposes length outside drill bit fixed installation hole (53) greater than the thickness of Hardmetal materials (3).
5. the sleeve embedded groove type processing tool of employing jump ring syndeton as claimed in claim 4 is characterized in that, is provided with back taper ledge structure (54) in the position, aperture in said drill bit fixed installation hole (53).
6. the sleeve embedded groove type processing tool of employing jump ring syndeton as claimed in claim 3 is characterized in that said jump ring spacer (6) is I-shaped, and the width of its two-end part is greater than the width of middle part; The exterior angle all is radiussed around this jump ring spacer (6); Insert in first groove (52) of said top external member (5) one side middle part of this jump ring spacer (6).
7. the sleeve embedded groove type processing tool of employing jump ring syndeton as claimed in claim 6; It is characterized in that; One end of said shaft spare (8) is provided with second connector (81); Offer interference connecting hole (82) at the end face center of this second connector (81), and diameter offers caulking groove (83) in the end face upper edge of this second connector (81); Said second connector (81) that offers interference connecting hole (82) is set in first connector (51) outside; Insert in the caulking groove (83) of said shaft spare (8) the second side middle part of said jump ring spacer (6);
The other end of said shaft spare (8) is provided with the 3rd connector (85), and evenly distributed and arranged has some second grooves (86) on the cylindrical outer surface of said the 3rd connector (85).
8. the sleeve embedded groove type processing tool of employing jump ring syndeton as claimed in claim 7 is characterized in that, is provided with limited step (84) in the middle part of said shaft spare (8).
9. the sleeve embedded groove type processing tool of employing jump ring syndeton as claimed in claim 7; It is characterized in that; Said sleeve is made up of two semicircle sleeves (9); The inwall of this semicircle sleeve (9) is provided with some concave slots, and it is provided with the corresponding one by one fastening of some second grooves (86) on quantity, distributing position and size and said the 3rd connector (85) cylindrical outer surface.
10. the sleeve embedded groove type processing tool of employing jump ring syndeton as claimed in claim 9 is characterized in that the outer wall of said semicircle sleeve (9) is provided with annular knurl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210221262.1A CN102699394B (en) | 2012-06-29 | 2012-06-29 | Sleeve embedding groove type processing tool adopting clamp spring connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210221262.1A CN102699394B (en) | 2012-06-29 | 2012-06-29 | Sleeve embedding groove type processing tool adopting clamp spring connecting structure |
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| Publication Number | Publication Date |
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| CN102699394A true CN102699394A (en) | 2012-10-03 |
| CN102699394B CN102699394B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210221262.1A Expired - Fee Related CN102699394B (en) | 2012-06-29 | 2012-06-29 | Sleeve embedding groove type processing tool adopting clamp spring connecting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107498082A (en) * | 2017-09-26 | 2017-12-22 | 浙江硕和机器人科技有限公司 | A kind of collet head location drilling machine structure |
| CN114454349A (en) * | 2022-01-19 | 2022-05-10 | 重庆臻宝实业有限公司 | Horizontal separation device for quartz ring pieces |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498082A (en) * | 2017-09-26 | 2017-12-22 | 浙江硕和机器人科技有限公司 | A kind of collet head location drilling machine structure |
| CN107498082B (en) * | 2017-09-26 | 2023-06-09 | 浙江硕和机器人科技有限公司 | Sleeve head positioning and drilling mechanism |
| CN114454349A (en) * | 2022-01-19 | 2022-05-10 | 重庆臻宝实业有限公司 | Horizontal separation device for quartz ring pieces |
| CN114454349B (en) * | 2022-01-19 | 2023-06-13 | 重庆臻宝科技股份有限公司 | Horizontal separating device for quartz ring plates |
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| CN102699394B (en) | 2014-03-19 |
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