CN203448705U - Drilling tool for machining central hole of crankshaft - Google Patents
Drilling tool for machining central hole of crankshaft Download PDFInfo
- Publication number
- CN203448705U CN203448705U CN201320447018.7U CN201320447018U CN203448705U CN 203448705 U CN203448705 U CN 203448705U CN 201320447018 U CN201320447018 U CN 201320447018U CN 203448705 U CN203448705 U CN 203448705U
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Abstract
The utility model relates to a drilling tool for machining a central hole of a crankshaft. The drilling tool comprises a base plate, a first bolt, a second bolt, a cross rod, a lead screw and a handle. A V-shaped groove is formed in the center of the base plate, the first bolt and the second bolt are arranged on the two sides of the V-shaped groove, one end of the cross rod is in rotating connection with the first bolt, a notch is formed in the other end of the cross rod, the notch corresponds to the second bolt, the cross rod is in threaded connection with the lead screw, meanwhile, the end portion of the lead screw corresponds to the center of the V-shaped groove, and the handle is fixedly connected with the lead screw. The drilling tool is accurate and reliable in drilling and locating, workpiece loading and unloading are fast and convenient, and in the large-scale and efficient production and machining process, production quality and quality stability can be effectively guaranteed.
Description
Technical field
The utility model relates to a kind of drilling tool for machining crankshafts centre bore, belongs to field of machining and machinebuilding technology.
Background technology
The centre bore of bent axle, aperture is larger, and drilling hole position is darker, and to sum up the requirement of factor processing technology is high, and technical difficulty is high, therefore requires drilling tool accurate positioning errorless, and good stability is to adapt to mass production processing, and drilling tool operation is easy rapidly, safe and reliable.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, and machining accuracy is high, the safe and reliable drilling tool for machining crankshafts centre bore.
The technical scheme in the invention for solving the above technical problem is: the drilling tool for machining crankshafts centre bore comprises substrate, the first bolt, the second bolt, cross bar, screw mandrel and handle, described substrate center place is provided with V-type groove, the first bolt, the second bolt are located at V-type groove both sides, cross bar one end and the first bolt are rotationally connected, the cross bar other end is provided with notch, corresponding the second bolt of notch, cross bar is connected with wire rod thread, the central part of the corresponding V-type groove in while screw mandrel end, handle is fixedly connected with screw mandrel.
The first bolt described in the utility model is positioned at the second bolt right side.
Notch described in the utility model points to below.
The utility model boring accurate positioning is reliable, and workpiece loading and unloading is convenient rapidly, in high efficiency process of manufacture in enormous quantities, and the stability of the energy effective guarantee quality of production and quality.
Accompanying drawing explanation
Fig. 1 is the concrete main TV structure schematic diagram of implementing of the utility model.
Fig. 2 is the concrete plan structure schematic diagram of implementing of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment 1:
Referring to Fig. 1 to Fig. 2, drilling tool for machining crankshafts centre bore described in the utility model comprises substrate 1, the first bolt 2, the second bolt 3, cross bar 4, screw mandrel 5 and handle 6, described substrate 1 center is provided with V-type groove 11, the first bolt 2, the second bolt 3 are located at V-type groove 11 both sides, cross bar 4 one end and the first bolt 2 are rotationally connected, cross bar 4 other ends are provided with notch 41, corresponding the second bolt 3 of notch 41, cross bar 4 is threaded with screw mandrel 5, the central part of the corresponding V-type grooves 11 in while screw mandrel 5 ends, handle 6 is fixedly connected with screw mandrel 5.
The first bolt 2 described in the utility model is positioned at the second bolt 3 right sides.
Notch 41 described in the utility model points to below, facilitates the fixing of cross bar 4 and the second bolt 3.
Use procedure, take handle 6 as handgrip, cross bar 4 rotates around the first bolt 2, and now cross bar 4 is only positioned at a side of V-type groove 11, puts into workpiece 7, cross bar 4 rotates around the first bolt 2 wraparounds, notch 41 and the first bolt 2 are connected, and cross bar 4 is fixing at fore-and-aft direction and the first bolt 2, turns handle 6, the end of screw mandrel 5 props up workpiece 7, thereby workpiece 7 is fixed in V-type groove 11.
In addition; it should be noted that, the specific embodiment described in this description, its each several part titles etc. can be different; all equivalence or simple change of doing according to described structure, feature and the principle of the utility model patent design, are included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (3)
1. for the drilling tool of machining crankshafts centre bore, it is characterized in that: comprise substrate, the first bolt, the second bolt, cross bar, screw mandrel and handle, described substrate center place is provided with V-type groove, the first bolt, the second bolt are located at V-type groove both sides, and cross bar one end and the first bolt are rotationally connected, and the cross bar other end is provided with notch, corresponding the second bolt of notch, cross bar is connected with wire rod thread, the central part of the corresponding V-type groove in while screw mandrel end, and handle is fixedly connected with screw mandrel.
2. the drilling tool for machining crankshafts centre bore according to claim 1, is characterized in that: described the first bolt is positioned at the second bolt right side.
3. the drilling tool for machining crankshafts centre bore according to claim 1, is characterized in that: described notch points to below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447018.7U CN203448705U (en) | 2013-07-25 | 2013-07-25 | Drilling tool for machining central hole of crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447018.7U CN203448705U (en) | 2013-07-25 | 2013-07-25 | Drilling tool for machining central hole of crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203448705U true CN203448705U (en) | 2014-02-26 |
Family
ID=50128609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320447018.7U Expired - Fee Related CN203448705U (en) | 2013-07-25 | 2013-07-25 | Drilling tool for machining central hole of crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203448705U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526525A (en) * | 2014-12-15 | 2015-04-22 | 福州大学 | Efficient electrochemical electrode polisher and using method thereof |
| CN104985461A (en) * | 2015-07-30 | 2015-10-21 | 安徽机电职业技术学院 | Fast clamping device of release fork used for drilling |
| CN106041566A (en) * | 2016-08-02 | 2016-10-26 | 陕西柴油机重工有限公司 | Appearance machining device and method for crankshaft counterweight |
-
2013
- 2013-07-25 CN CN201320447018.7U patent/CN203448705U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526525A (en) * | 2014-12-15 | 2015-04-22 | 福州大学 | Efficient electrochemical electrode polisher and using method thereof |
| CN104985461A (en) * | 2015-07-30 | 2015-10-21 | 安徽机电职业技术学院 | Fast clamping device of release fork used for drilling |
| CN106041566A (en) * | 2016-08-02 | 2016-10-26 | 陕西柴油机重工有限公司 | Appearance machining device and method for crankshaft counterweight |
| CN106041566B (en) * | 2016-08-02 | 2019-10-25 | 陕西柴油机重工有限公司 | A kind of crankshaft balance weight sharp processing device and method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20180725 |