CN204248036U - Slender axles boring grab - Google Patents
Slender axles boring grab Download PDFInfo
- Publication number
- CN204248036U CN204248036U CN201420705055.8U CN201420705055U CN204248036U CN 204248036 U CN204248036 U CN 204248036U CN 201420705055 U CN201420705055 U CN 201420705055U CN 204248036 U CN204248036 U CN 204248036U
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- CN
- China
- Prior art keywords
- base
- briquetting
- tapped blind
- slender axles
- hole
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Abstract
The utility model discloses a kind of slender axles boring grab.The utility model overcomes the pitch-row that existing slender axles adopt baffle plate location to there is adjacent holes and changes greatly, the deficiency that scrap iron from splashing is hurted sb.'s feelings.A kind of slender axles boring grab is provided, comprise base and briquetting, base top is provided with two the first tapped blind holes and second tapped blind hole, base top is also provided with V-type groove, the side of base is provided with locating piece, locating piece is provided with tapped through hole, dog screw is provided with in tapped through hole, the reverse V-shaped groove corresponding with V-type groove is provided with bottom briquetting, the two sides of reverse V-shaped groove are equipped with friction plate, briquetting is provided with in counterbore described in two counterbores and is provided with hexagon socket head cap screw, hexagon socket head cap screw is connected with whorl of base, briquetting is provided with pilot hole, lead is provided with in pilot hole, lead is threaded with the second tapped blind hole, the side of briquetting is provided with magnet and gripper shoe, gripper shoe is provided with fairlead, magnet is positioned at below fairlead.
Description
Technical field
The utility model belongs to shaft forgings boring grab field, is specifically related to a kind of slender axles boring grab.
Background technology
Length-to-diameter is greater than 25(and L/D>25) axle slender axles.As diesel engine pull bar, its length is about 2m ~ 3m, and outside diameter is about φ 20mm ~ φ 30mm.Because slender axles rigidity is very poor, by the impact of cutting force and vibration during turnery processing, very easily produce distortion, occur the mismachining tolerance such as linearity, cylindricity, not easily reach the technical requirements such as the accuracy of form and position on pattern and surface quality, make machining very difficult.L/d value is larger, and turnery processing is more difficult.
Usual slender axles are adopt pressing plate location when holing, and pressing plate compresses slender axles, is connected by pressing plate by bolt with Drilling machines bench.Slender axles due to the cutting force of drill bit when holing, can make slender axles rotate, make broken drill; Because pressing plate and slender axles are linear contact lay, therefore stressed the concentrating of slender axles very easily makes slender axles surface weigh wounded; Due to slender axles too detailed rules and regulations bit bore time drill bit alignment fiducials there will be deviation, thus cause the pitch-row of adjacent holes to change.During drilling bit high-speed rotary, have part iron filings can be thrown out of with drill bit rotational, because iron filings are with high temperature, scrap iron from splashing can be hurted sb.'s feelings.
The pitch-row that existing slender axles adopt baffle plate location to there is adjacent holes as can be seen here changes greatly, the deficiency that scrap iron from splashing is hurted sb.'s feelings.
Utility model content
The technical problems to be solved in the utility model is that the pitch-row adopting baffle plate location to there is adjacent holes for existing slender axles changes greatly, and the deficiency that scrap iron from splashing is hurted sb.'s feelings provides a kind of slender axles boring grab to have boring accurately, the feature that scrap iron from splashing is few.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme: slender axles boring grab, comprise base and briquetting, described base top is provided with two the first tapped blind holes and second tapped blind hole, described base top is also provided with V-type groove, described V-type groove runs through base, described two the first tapped blind holes lay respectively at V-type groove both sides, the side of described base is provided with locating piece, described locating piece is made up of transverse plate and longitudinal plate, described transverse plate and longitudinal plate vertical l-shaped shape mutually, described longitudinal plate is provided with tapped through hole, dog screw is provided with in described tapped through hole, the axial line of described dog screw is through V-type groove, reverse V-shaped groove is provided with bottom described briquetting, the reverse V-shaped groove of described briquetting and the V-type groove of base match, the two sides of described reverse V-shaped groove are equipped with friction plate, described briquetting is provided with two counterbores, described two counterbores lay respectively at the both sides of reverse V-shaped groove, described counterbore position is corresponding with the first tapped blind hole, hexagon socket head cap screw is provided with in described counterbore, described hexagon socket head cap screw is connected with whorl of base, described briquetting is provided with pilot hole, lead is provided with in described pilot hole, the lower end of described lead is provided with external screw thread, described lead and pilot hole matched in clearance, lead is threaded with the second tapped blind hole, the side of described briquetting is provided with magnet and gripper shoe, described gripper shoe is provided with fairlead, described magnet is positioned at below fairlead.
Adopt the slender axles boring grab of technical solutions of the utility model, comprise base and briquetting, base plays a part to support workpiece, briquetting plays workpiece pressing, to the effect that workpiece positions, described base top is provided with two the first tapped blind holes and second tapped blind hole, described base top is also provided with V-type groove, described V-type groove runs through base, described two the first tapped blind holes lay respectively at V-type groove both sides, the side of described base is provided with locating piece, described locating piece is transverse plate and longitudinal plate composition again, described transverse plate and longitudinal plate vertical l-shaped shape mutually, described longitudinal plate is provided with tapped through hole, dog screw is provided with in described tapped through hole, dog screw plays axial location to workpiece, the axial line of described dog screw is through V-type groove, reverse V-shaped groove is provided with bottom described briquetting, the reverse V-shaped groove of described briquetting and the V-type groove of base match, the two sides of described reverse V-shaped groove are equipped with friction plate, friction plate contacts with slender axles, because friction plate has certain elasticity, makes friction plate and slender axles be that face contacts, for linear contact lay, fixation workpiece is more stable, described briquetting is provided with two counterbores, described two counterbores lay respectively at the both sides of reverse V-shaped groove, described counterbore position is corresponding with the first tapped blind hole, hexagon socket head cap screw is provided with in described counterbore, described hexagon socket head cap screw is connected with whorl of base, briquetting is connected with base by hexagon socket head cap screw, described briquetting is provided with pilot hole, lead is provided with in described pilot hole, the lower end of described lead is provided with external screw thread, described lead and pilot hole matched in clearance, lead is threaded with the second tapped blind hole, and lead moves up and down briquetting and play the guiding role, the side of described briquetting is provided with magnet and gripper shoe, magnet plays the iron filings that absorption is splashed, scrap iron from splashing is avoided to hurt sb.'s feelings by the iron adsorption of splashing to magnet, described gripper shoe is provided with fairlead, fairlead play the guiding role to bit bore, avoid bit drills inclined, described magnet is positioned at below fairlead, absorption splashing iron filings better effects if.
Operation principle of the present utility model and beneficial effect are: the utility model is paired use usually, not be used alone, when using the utility model, first the utility model is fixed on the workbench of drilling machine, rotate hexagon socket head cap screw with inner hexagon spanner again briquetting to be moved up on lead to be separated with base, slender axles are placed in V-type groove, briquetting is moved down along lead, reverse V-shaped groove and the acting in conjunction of V-type groove is made to clamp slender axles, owing to being provided with friction plate in reverse V-shaped groove, therefore friction plate contacts with slender axles and presses for slender axles relative to pressing plate, friction plate is that face contact carries out circumference location by frictional force to slender axles, the point cantact avoiding pressing plate and slender axles produces stress and concentrates.Rotational positioning screw, make end face and the slender axles end contact of dog screw, by dog screw, axial location is carried out to slender axles, drilling machine is started after slender axles fix, drill bit is holed to slender axles through fairlead, the iron filings splashing out in boring procedure are held by magnet, avoid iron filings disorderly to fly to hurt sb.'s feelings.
The utility model adopts friction plate contact with elongated axial plane fixedly to avoid the stress that linear contact lay produces concentrated as can be seen here, and when fairlead avoids boring, brill is inclined, and the iron filings splashed in boring procedure hold by magnet avoids scrap iron from splashing to hurt sb.'s feelings.
Further, the aperture of described first tapped blind hole is identical with the aperture of the second tapped blind hole, and the degree of depth of the first tapped blind hole is identical with the degree of depth of the second tapped blind hole.Same drill bit only need be used just can to complete when processing the first tapped blind hole and the second tapped blind hole and not need more bit change, manufacturing procedure is few, and working (machining) efficiency of saving time is high.
Further, be provided with spring between the nut of described dog screw and longitudinal plate, described dog screw is through spring, and the end of described spring is fixedly connected with the nut of dog screw.Spring rises and prevents dog screw from making because of vibrations dog screw rotation loosen.
Further, described base bottom is provided with base plate, and described base plate is provided with multiple bolt hole.It is facilitate base to fix that base plate is provided with bolt hole.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, technical solutions of the utility model are further illustrated:
Fig. 1 is the schematic front view of the utility model slender axles boring grab embodiment;
Fig. 2 is that schematic diagram is looked on a left side of Fig. 1;
Fig. 3 is the structural representation of the utility model slender axles boring grab embodiment clamping work pieces.
Reference numeral in figure: base-1, briquetting-2, the first tapped blind hole-3, the second tapped blind hole-4, V-type groove-5, locating piece-6, transverse plate-61, longitudinal plate-62, dog screw-7, spring-8, reverse V-shaped groove-9, pilot hole-10, counterbore-11, hexagon socket head cap screw-12, lead 13, gripper shoe 14, fairlead-15, magnet-16, friction plate-17, base plate-18, bolt hole-19.
Detailed description of the invention
As shown in Figure 1, the utility model slender axles boring grab is made up of base 1 and briquetting 2, base 1 is cuboid, base 1 top is provided with two the first tapped blind holes 3 and second tapped blind hole 4, the aperture of the first tapped blind hole 3 is identical with the aperture of the second tapped blind hole 4, and the degree of depth of the first tapped blind hole 3 is identical with the degree of depth of the second tapped blind hole 4, base 1 top is provided with V-type groove 5, V-type groove 5 runs through base 1, two the first tapped blind holes 3 lay respectively at V-type groove 5 both sides, base 1 left surface is provided with locating piece 6 as described in Figure 2, locating piece 6 is made up of transverse plate 61 and longitudinal plate 62, transverse plate 61 is mutually vertical with longitudinal plate 62, longitudinal plate 62 is provided with tapped through hole, dog screw 7 is provided with in tapped through hole, spring 8 is provided with between longitudinal plate 62 and the nut of dog screw 7, dog screw 7 is through spring 8.The axis of dog screw 7 is through V-type groove 5.The bottom of base 1 is provided with base plate 18, and base plate 18 is provided with 4 bolts hole 19.As shown in Figure 1, briquetting 2 is also cuboid, the length of briquetting 2 and wide all with the length of base 1 and wide equal, reverse V-shaped groove 9 is provided with bottom briquetting 2, the reverse V-shaped groove 9 of briquetting 2 matches with the V-type groove 5 of base 1, the two sides of reverse V-shaped groove 9 are equipped with friction plate 17, briquetting 2 is provided with two counterbores 11, two counterbores 11 lay respectively at the both sides of reverse V-shaped groove 9, counterbore 11 position is corresponding with the first tapped blind hole 3 position, hexagon socket head cap screw 12 is provided with in counterbore 11, briquetting 2 is connected by hexagon socket head cap screw 12 with base 1, briquetting 2 is provided with pilot hole 10, lead 13 is provided with in pilot hole 10, lead 13 lower end is provided with external screw thread, lead 13 connects with second tapped blind hole 4 screw thread at the end.As shown in Figure 2, the right flank of briquetting 2 is provided with gripper shoe 14 and magnet 16, and gripper shoe 14 is provided with fairlead 15, and magnet 16 is positioned at below gripper shoe 14.
In specific implementation process, transverse plate 61 and longitudinal plate 62 are one-body molded, and spring 8 is fixedly connected with the nut on screw.As shown in Figure 3, use the utility model slender axles boring grab normally to use in pairs, be not used alone.First the utility model is fixed on the workbench of drilling machine when using this use novel, re-use inner hexagon spanner to rotate hexagon socket head cap screw 12 and briquetting 2 is moved up on lead 13 to be separated with base 1, slender axles are placed in V-type groove 5, briquetting 2 is moved downward along lead 13, make reverse V-shaped groove 9 and V-type groove 5 acting in conjunction clamp slender axles, can well limit slender axles circumferentially rotate owing to being provided with friction plate 17 in reverse V-shaped groove 9.Rotate hexagon socket head cap screw 12 pairs of briquettings 2 with inner hexagon spanner to be fixed, rotational positioning screw 7 is the end face of dog screw 7 and the end contact of slender axles thus reaches the effect that dog screw 7 pairs of slender axles carry out axial location.After slender axles fix, start drilling machine, drill bit is holed to slender axles through fairlead, and the iron filings splashing out in boring procedure are held by magnet 16, avoids iron filings disorderly to fly to hurt sb.'s feelings.
For a person skilled in the art; under the prerequisite not departing from the utility model structure; can also make some distortion and improvement, these also should be considered as protection domain of the present utility model, and these all can not affect the effect of the utility model enforcement and the practicality of utility model.
Claims (4)
1. slender axles boring grab, it is characterized in that: comprise base and briquetting, described base top is provided with two the first tapped blind holes and second tapped blind hole, described base top is also provided with V-type groove, described V-type groove runs through base, described two the first tapped blind holes lay respectively at V-type groove both sides, the side of described base is provided with locating piece, described locating piece is made up of transverse plate and longitudinal plate, described transverse plate and longitudinal plate vertical l-shaped shape mutually, described longitudinal plate is provided with tapped through hole, dog screw is provided with in described tapped through hole, the axial line of described dog screw is through V-type groove, reverse V-shaped groove is provided with bottom described briquetting, the reverse V-shaped groove of described briquetting and the V-type groove of base match, the two sides of described reverse V-shaped groove are equipped with friction plate, described briquetting is provided with two counterbores, described two counterbores lay respectively at the both sides of reverse V-shaped groove, described counterbore position is corresponding with the first tapped blind hole, hexagon socket head cap screw is provided with in described counterbore, described hexagon socket head cap screw is connected with whorl of base, described briquetting is provided with pilot hole, lead is provided with in described pilot hole, the lower end of described lead is provided with external screw thread, described lead and pilot hole matched in clearance, lead is threaded with the second tapped blind hole, the side of described briquetting is provided with magnet and gripper shoe, described gripper shoe is provided with fairlead, described magnet is positioned at below fairlead.
2. slender axles boring grab as claimed in claim 1, it is characterized in that: the aperture of described first tapped blind hole is identical with the aperture of the second tapped blind hole, the degree of depth of the first tapped blind hole is identical with the degree of depth of the second tapped blind hole.
3. slender axles boring grab as claimed in claim 2, is characterized in that: be provided with spring between the nut of described dog screw and longitudinal plate, and described dog screw is through spring, and the end of described spring is fixedly connected with the nut of dog screw.
4. slender axles boring grab as described in claim 1 or 2 or 3, it is characterized in that: described base bottom is provided with base plate, described base plate is provided with multiple bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420705055.8U CN204248036U (en) | 2014-11-22 | 2014-11-22 | Slender axles boring grab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420705055.8U CN204248036U (en) | 2014-11-22 | 2014-11-22 | Slender axles boring grab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204248036U true CN204248036U (en) | 2015-04-08 |
Family
ID=52952391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420705055.8U Expired - Fee Related CN204248036U (en) | 2014-11-22 | 2014-11-22 | Slender axles boring grab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204248036U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226831A (en) * | 2018-11-11 | 2019-01-18 | 横店集团英洛华电气有限公司 | Axial end drilling tool |
| CN112453459A (en) * | 2020-11-13 | 2021-03-09 | 北京曙光航空电气有限责任公司 | Circumferential drilling device and method for positioning different shaft shoulders of step shaft |
-
2014
- 2014-11-22 CN CN201420705055.8U patent/CN204248036U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226831A (en) * | 2018-11-11 | 2019-01-18 | 横店集团英洛华电气有限公司 | Axial end drilling tool |
| CN112453459A (en) * | 2020-11-13 | 2021-03-09 | 北京曙光航空电气有限责任公司 | Circumferential drilling device and method for positioning different shaft shoulders of step shaft |
| CN112453459B (en) * | 2020-11-13 | 2022-09-20 | 北京曙光航空电气有限责任公司 | Circumferential drilling device and method for positioning different shaft shoulders of step shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151122 |
|
| EXPY | Termination of patent right or utility model |