CN202606940U - Machining tool with embedded groove type clamping spring connection - Google Patents
Machining tool with embedded groove type clamping spring connection Download PDFInfo
- Publication number
- CN202606940U CN202606940U CN 201220311654 CN201220311654U CN202606940U CN 202606940 U CN202606940 U CN 202606940U CN 201220311654 CN201220311654 CN 201220311654 CN 201220311654 U CN201220311654 U CN 201220311654U CN 202606940 U CN202606940 U CN 202606940U
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- China
- Prior art keywords
- drill bit
- jump ring
- connector
- embedded groove
- groove type
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- Expired - Fee Related
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Abstract
The utility model relates to a machining tool with an embedded groove type clamping spring connection. The machining tool is fixedly clamped by a spanner drill chuck and is used for drilling a hard alloy material of which the thickness is not more than 5mm. The machining tool comprises a drill bit, a top sleeve connected with the drill bit, a rod body piece in interference fit with the top sleeve, wherein a clamping spring positioning piece arranged in an embedded groove mode is connected between the top sleeve and the rod body piece; and the spanner drill chuck is fixedly clamped on an outer wall of the rod body piece. The machining tool is simple in structure, low in manufacturing cost and wide in application range, the defects and limitations in the prior art can be overcome, the stability in the drilling process is guaranteed, and the machining quality and efficiency are effectively improved.
Description
Technical field
The utility model relates to the hole frock of processing of a kind of Hardmetal materials that is not more than 5mm to thickness, refers in particular to a kind of processing tool that the embedded groove type jump ring connects that has, and 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.
The utility model content
The purpose of the utility model provides a kind of processing tool that the embedded groove type jump ring connects that has; Be used for the Hardmetal materials that thickness the is not more than 5mm processing of holing; 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 that above-mentioned purpose, the utility model provide a kind of processing tool that the embedded groove type jump ring connects that has, it is by the spanner drill chuck fixed clamp, is used for the Hardmetal materials that thickness the is not more than 5mm processing of holing; 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; 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 shaft spare.
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 the cylindrical outer surface of said the 3rd connector is provided with annular knurl, and said spanner drill chuck fixed clamp shaft spare is provided with on the 3rd connector outer wall of annular knurl.
Middle part at said shaft spare is provided with limited step.
The processing tool with the connection of embedded groove type jump ring that the utility model provided compared with prior art, has following beneficial effect.
1, the utility model 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 utility model shaft spare is provided with annular knurl by the 3rd connector outer wall of spanner drill chuck clamping; 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, the processing tool installation and removal of the utility model 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 processing tool with the connection of embedded groove type jump ring that the utility model provided 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 the process sketch map that has the processing tool of embedded groove type jump ring connection in the utility model;
Fig. 2 is the cross-sectional view that has the processing tool of embedded groove type jump ring connection in the utility model;
Fig. 3 is the cross-sectional view of top external member in the utility model;
Fig. 4 is the structural representation of jump ring spacer in the utility model;
Fig. 5 is the cross-sectional view after drill bit in the utility model, top external member and the assembling of jump ring spacer;
Fig. 6 is the cross-sectional view of shaft spare in the utility model;
Fig. 7 is the vertical view of Fig. 6, shows the end face structure of second connector on the shaft spare.
The specific embodiment
Below in conjunction with Fig. 1～Fig. 7, specify a preferred embodiment of the utility model.
As shown in Figure 1, be the process sketch map in the utility model, 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; 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 shaft spare 8.
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 the described processing tool of the utility model 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 the processing tool of installation or removal the utility model, 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; The cylindrical outer surface of said the 3rd connector 85 is provided with annular knurl 86; Said spanner drill chuck 1 fixed clamp shaft spare 8 is provided with on the 3rd connector 85 outer walls of annular knurl 86; To increase the frictional resistance between spanner drill chuck 1 and the 3rd connector 85, prevent in process, to skid and influence crudy.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.
The processing tool with the connection of embedded groove type jump ring that the utility model provided compared with prior art, has following beneficial effect.
1, the utility model 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 utility model shaft spare is provided with annular knurl by the 3rd connector outer wall of spanner drill chuck clamping; Because when thicker Hardmetal materials is holed; Can produce huge frictional force between drill bit and the processed Hardmetal materials, 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; The annular knurl that the utility model is provided with on by the 3rd connector outer wall of spanner drill chuck clamping at 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, the annular knurl on said the 3rd connector outer wall can also increase spanner drill chuck and shaft spare is added the frictional resistance between the section of holding (the 3rd connector), prevents in the processing boring procedure, to skid between spanner drill chuck and the shaft spare.
3, it is all very convenient that the processing tool of the utility model 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 utility model 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 processing tool with the connection of embedded groove type jump ring that the utility model provided 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 the content of the utility model has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to the restriction to the utility model.After those skilled in the art have read foregoing, for the multiple modification of the utility model with to substitute all will be conspicuous.Therefore, the protection domain of the utility model should be limited appended claim.
Claims (8)
1. one kind has the processing tool that the embedded groove type jump ring connects, and by spanner drill chuck (1) fixed clamp, is used for the Hardmetal materials (3) that thickness the is not more than 5mm processing of holing; 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);
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 shaft spare.
2. the processing tool with the connection of embedded groove type jump ring as claimed in claim 1 is characterized in that, said drill bit (4) adopts the wolfram steel material to process.
3. the processing tool with the connection of embedded groove type jump ring 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 processing tool with the connection of embedded groove type jump ring 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 processing tool with the connection of embedded groove type jump ring 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 processing tool with the connection of embedded groove type jump ring 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 processing tool with the connection of embedded groove type jump ring 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); The cylindrical outer surface of said the 3rd connector (85) is provided with annular knurl (86), and said spanner drill chuck (1) fixed clamp shaft spare (8) is provided with on the 3rd connector (85) outer wall of annular knurl (86).
8. the processing tool with the connection of embedded groove type jump ring as claimed in claim 7 is characterized in that, is provided with limited step (84) in the middle part of said shaft spare (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220311654 CN202606940U (en) | 2012-06-29 | 2012-06-29 | Machining tool with embedded groove type clamping spring connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220311654 CN202606940U (en) | 2012-06-29 | 2012-06-29 | Machining tool with embedded groove type clamping spring connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202606940U true CN202606940U (en) | 2012-12-19 |
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ID=47340672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220311654 Expired - Fee Related CN202606940U (en) | 2012-06-29 | 2012-06-29 | Machining tool with embedded groove type clamping spring connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202606940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717126A (en) * | 2012-06-29 | 2012-10-10 | 上海海事大学 | Processing tooling with embedded-groove type clamping spring connection |
-
2012
- 2012-06-29 CN CN 201220311654 patent/CN202606940U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717126A (en) * | 2012-06-29 | 2012-10-10 | 上海海事大学 | Processing tooling with embedded-groove type clamping spring connection |
| CN102717126B (en) * | 2012-06-29 | 2014-07-16 | 上海海事大学 | Processing tooling with embedded-groove type clamping spring connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20130629 |