CN203636432U - Self-centering tool for central hole drilling of cam shaft - Google Patents
Self-centering tool for central hole drilling of cam shaft Download PDFInfo
- Publication number
- CN203636432U CN203636432U CN201320723479.2U CN201320723479U CN203636432U CN 203636432 U CN203636432 U CN 203636432U CN 201320723479 U CN201320723479 U CN 201320723479U CN 203636432 U CN203636432 U CN 203636432U
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- self
- shape plate
- plate
- vee
- rotating shaft
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Abstract
The utility model discloses a self-centering tool for central hole drilling of a cam shaft. A positioning plate is fixed on the rear plate surface of the horizontal section of a T-shaped plate; a rotary shaft is horizontally arranged on the front side of the horizontal section of the T-shaped plate; a limiting seat is clamped at the limiting shaft neck in the middle of the rotary shaft; thread sections are arranged at the left and right parts of the rotary shaft, the screwing directions of the two thread sections are opposite, each thread section is in threaded connection with a thread sleeve, and a slide block capable of sliding left and right is fixedly arranged on each thread sleeve; V-shaped positioning grooves are formed in the opposite ends of two V-shaped blocks, and the far ends of the two V-shaped blocks are fixed with the corresponding slide blocks; the lower part of a positioning seat is fixedly arranged on a mounting seat; a conical positioning hole is formed in the top of the positioning seat. According to the self-centering tool, the end surface of a workpiece is positioned through the positioning seat and clamped through the two V-shaped blocks, so that the workpiece can be satisfactorily self-centered, and the self-centering effect and the clamping efficiency are guaranteed.
Description
Technical field
The utility model belongs to frock clamp field, specifically, relates in particular to a kind of camshaft drill centers self-centering frock.
Background technology
Camshaft is that one is used mechanical part widely, and the center of this camshaft is provided with screwed hole.At present, generally adopt vee-block location, and with cylinder-pressing, then hole by drilling machine.
The defect of existing processing mode is: self-centering weak effect when location, and clamping efficiency is low, is badly in need of solving above-mentioned technical barrier for this reason.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of camshaft drill centers self-centering frock, to improve self-centering effect.
The technical solution of the utility model is as follows: a kind of camshaft drill centers self-centering frock, it is characterized in that: comprise T shape plate (1), vee-block (7) and positioning seat (8), wherein the rear plate face level of T shape plate (1) horizontal segment is fixed with a location-plate (2), be provided with a rotating shaft (3) in T shape plate level section front side horizontal, the centre position of this rotating shaft is provided with spacing axle journal, the spacing breach of limit base (4) is stuck in this spacing axle journal place, and limit base (4) is fixed by the front face of screw and described T shape plate (1) simultaneously; Left part and the right part of described rotating shaft (3) are thread segment, and the rotation direction of these two thread segments is contrary, and these two thread segment places thread bush (4) that has been threaded respectively, is installed with a slide block (5) on each thread bush; Between each described slide block (5) and T shape plate (1), be provided with a dovetail guide (6), this dovetail guide is fixed by the front face of screw and T shape plate (1) horizontal segment, and the dovetail part at slide block (5) rear portion snaps in the dovetail groove on dovetail guide (6), and can horizontally slip; The number of described vee-block (7) is two, these two vee-blocks are left and right and are arranged side by side, and the opposite end of two vee-blocks (7) has V-arrangement locating slot, this two vee-blocks (7) fixing with a corresponding described slide block (5) respectively away from end, in the time that described rotating shaft (3) is rotated, drive two vee-blocks (7) synchronous close or away from;
The number of described positioning seat (8) is one, and it is upper that this positioning seat bottom is installed in mount pad (9), and mount pad (9) is vertically fixed the front face bottom of section with described T shape plate (1); The top of described positioning seat (8) has a conical locating hole (8a), the center line of the axial line of this taper shape locating hole and described rotating shaft (3) width is on same straight line, and (8a) is up big and down small for conical locating hole, its tapering is 30 °-60 °.
Before use, first by described location-plate (2), T shape plate (1) is fixedly connected with drilling machine.When use, workpiece (G) bottom is inserted in the conical locating hole (8a) on described positioning seat (8) top, and by this taper shape locating hole (8a), the end face of workpiece (G) is positioned; Then rotate described rotating shaft (3), and make two described vee-blocks (7) close, and finally by two vee-blocks (7), workpiece (G) is clamped, so just can carry out self-centering to workpiece (G) well, thereby ensure self-centering effect, and by ensureing clamping efficiency.
Adopt above technical scheme, the utility model is the end face location to workpiece (G) by positioning seat (8), and by two vee-blocks (7), workpiece (G) is clamped, so just can carry out self-centering to workpiece (G) well, thereby ensure self-centering effect, and by ensureing clamping efficiency, and then overcome well the defect of traditional processing mode, and this clamp structure is simple, and easy to implement, there is good practicality, be suitable for extensively promoting the use.
In this case, the right part of described rotating shaft (3) is set with a rocking handle (10), and this rocking handle (10) is fastening by the holding screw (11) radially arranging.Adopt above structure, the utility model can carry out rotating shaft (3) by rocking handle (10) easily, easy to operate.
In order to strengthen structural strength, described T shape plate (1) rear side is provided with a leg-of-mutton stiffener (12), right-angle side of this stiffener (12) and the rear plate face of T shape plate (1) horizontal segment are welded and fixed, and the end face of another right-angle side of stiffener (12) and described location-plate (2) is welded and fixed.
As preferably, the tapering of described conical locating hole (8a) is 60 °.
Beneficial effect: the utility model is the end face location to workpiece (G) by positioning seat (8), and by two vee-blocks (7), workpiece (G) is clamped, so just can carry out self-centering to workpiece (G) well, thereby ensure self-centering effect, and by ensureing clamping efficiency, and then overcome well the defect of traditional processing mode, and this clamp structure is simple, easy to implement, there is good practicality, be suitable for extensively promoting the use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, 2, a kind of camshaft drill centers self-centering frock, is mainly made up of T shape plate 1, location-plate 2, rotating shaft 3, limit base 4, slide block 5, dovetail guide 6, vee-block 7, positioning seat 8, mount pad 9, rocking handle 10, holding screw 11 and stiffener 12.Wherein, described T shape plate 1 is vertically to arrange, and has horizontal segment and vertical section, and is fixed with a location-plate 2 in the rear plate face level of T shape plate 1.Meanwhile, described T shape plate 1 rear side is provided with a leg-of-mutton stiffener 12, and right-angle side of this stiffener 12 and the rear plate face of T shape plate 1 horizontal segment are welded and fixed, and another right-angle side of stiffener 12 and the end face of described location-plate 2 are welded and fixed.When installation, T shape plate 1 is fixed with drilling machine by described location-plate 2.
The front side horizontal of above-mentioned T shape plate 1 horizontal segment is provided with a rotating shaft 3, and the centre position of this rotating shaft 3 is provided with spacing axle journal, and the spacing breach of limit base 4 is stuck in this spacing axle journal place, and limit base 4 is fixed by the front face of screw and described T shape plate 1 simultaneously.Left part and the right part of described rotating shaft 3 are thread segment, and the rotation direction of these two thread segments is contrary, and these two thread segment places thread bush 4 that has been threaded respectively, is installed with a slide block 5 on each thread bush.The right part of described rotating shaft 3 is set with a rocking handle 10, and this rocking handle 10 is fastening by the holding screw 11 radially arranging.
Can find out from Fig. 1,2, between each described slide block 5 and T shape plate 1, be provided with a dovetail guide 6, this dovetail guide 6 is fixed by the front face of screw and T shape plate 1 horizontal segment, and the dovetail part at slide block 5 rear portions snaps in the dovetail groove on dovetail guide 6, and slide block 5 can horizontally slip along the dovetail groove of dovetail guide 6.The number of described vee-block 7 is two, these two vee-blocks 7 are left and right and are arranged side by side, and the opposite end of two vee-blocks 7 has V-arrangement locating slot, this two vee-blocks 7 fixing with a corresponding described slide block 5 respectively away from end, in the time that described rotating shaft 3 is rotated, drive two vee-blocks 7 synchronous near or away from.
The number of described positioning seat 8 is one, and these positioning seat 8 bottoms are installed in the installing hole on mount pad 9, and mount pad 9 is vertically fixed the front face bottom of section with described T shape plate 1.The top of described positioning seat 8 has a conical locating hole 8a, the axial line of this taper shape locating hole 8a and the center line of described rotating shaft 3 widths are on same straight line, and conical locating hole 8a is up big and down small, its tapering is 30 °-60 °, and can be more preferably 60 °.
The foregoing is only preferred embodiment of the present utility model; not taking the utility model as restriction; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a camshaft drill centers self-centering frock, it is characterized in that: comprise T shape plate (1), vee-block (7) and positioning seat (8), wherein the rear plate face level of T shape plate (1) horizontal segment is fixed with a location-plate (2), be provided with a rotating shaft (3) in T shape plate level section front side horizontal, the centre position of this rotating shaft is provided with spacing axle journal, the spacing breach of limit base (4) is stuck in this spacing axle journal place, and limit base (4) is fixed by the front face of screw and described T shape plate (1) simultaneously; Left part and the right part of described rotating shaft (3) are thread segment, and the rotation direction of these two thread segments is contrary, and these two thread segment places thread bush (4) that has been threaded respectively, is installed with a slide block (5) on each thread bush; Between each described slide block (5) and T shape plate (1), be provided with a dovetail guide (6), this dovetail guide is fixed by the front face of screw and T shape plate (1) horizontal segment, and the dovetail part at slide block (5) rear portion snaps in the dovetail groove on dovetail guide (6), and can horizontally slip; The number of described vee-block (7) is two, these two vee-blocks are left and right and are arranged side by side, and the opposite end of two vee-blocks (7) has V-arrangement locating slot, this two vee-blocks (7) fixing with a corresponding described slide block (5) respectively away from end, in the time that described rotating shaft (3) is rotated, drive two vee-blocks (7) synchronous close or away from;
The number of described positioning seat (8) is one, and it is upper that this positioning seat bottom is installed in mount pad (9), and mount pad (9) is vertically fixed the front face bottom of section with described T shape plate (1); The top of described positioning seat (8) has a conical locating hole (8a), the center line of the axial line of this taper shape locating hole and described rotating shaft (3) width is on same straight line, and (8a) is up big and down small for conical locating hole, its tapering is 30 °-60 °.
2. camshaft drill centers self-centering frock according to claim 1, is characterized in that: the right part of described rotating shaft (3) is set with a rocking handle (10), and this rocking handle (10) is fastening by the holding screw (11) radially arranging.
3. camshaft drill centers self-centering frock according to claim 1 and 2, it is characterized in that: described T shape plate (1) rear side is provided with a leg-of-mutton stiffener (12), right-angle side of this stiffener (12) and the rear plate face of T shape plate (1) horizontal segment are welded and fixed, and the end face of another right-angle side of stiffener (12) and described location-plate (2) is welded and fixed.
4. camshaft drill centers self-centering frock according to claim 1, is characterized in that: the tapering of described conical locating hole (8a) is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723479.2U CN203636432U (en) | 2013-11-15 | 2013-11-15 | Self-centering tool for central hole drilling of cam shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723479.2U CN203636432U (en) | 2013-11-15 | 2013-11-15 | Self-centering tool for central hole drilling of cam shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203636432U true CN203636432U (en) | 2014-06-11 |
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ID=50867711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320723479.2U Expired - Fee Related CN203636432U (en) | 2013-11-15 | 2013-11-15 | Self-centering tool for central hole drilling of cam shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203636432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783664A (en) * | 2016-03-15 | 2016-07-20 | 金龙联合汽车工业（苏州）有限公司 | Laser wheel base measuring instrument especially for passenger car and measuring method for wheel base difference of passenger car |
-
2013
- 2013-11-15 CN CN201320723479.2U patent/CN203636432U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783664A (en) * | 2016-03-15 | 2016-07-20 | 金龙联合汽车工业（苏州）有限公司 | Laser wheel base measuring instrument especially for passenger car and measuring method for wheel base difference of passenger car |
| CN105783664B (en) * | 2016-03-15 | 2018-10-23 | 金龙联合汽车工业（苏州）有限公司 | A kind of dedicated laser axis of car is away from measuring instrument and car wheelbase difference measurements 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 |
Granted publication date: 20140611 Termination date: 20141115 |
|
| EXPY | Termination of patent right or utility model |