CN203636441U - Pin hole drilling device for cam shaft - Google Patents

Pin hole drilling device for cam shaft Download PDF

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Publication number
CN203636441U
CN203636441U CN201320735330.6U CN201320735330U CN203636441U CN 203636441 U CN203636441 U CN 203636441U CN 201320735330 U CN201320735330 U CN 201320735330U CN 203636441 U CN203636441 U CN 203636441U
Authority
CN
China
Prior art keywords
plate
mounting blocks
screw rod
fixed
slide block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320735330.6U
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Chinese (zh)
Inventor
李文政
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING JINQIAO MACHINE MANUFACTURING CO LTD
Original Assignee
CHONGQING JINQIAO MACHINE MANUFACTURING CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHONGQING JINQIAO MACHINE MANUFACTURING CO LTD filed Critical CHONGQING JINQIAO MACHINE MANUFACTURING CO LTD
Priority to CN201320735330.6U priority Critical patent/CN203636441U/en
Application granted granted Critical
Publication of CN203636441U publication Critical patent/CN203636441U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a pin hole drilling device for a cam shaft. A positioning pin is mounted in a horizontal hole in the middle of a mounting block; a slidable positioning block is mounted in a horizontal mounting hole in the upper part of the mounting block; the left end surface of a positioning block is fixed with the right end of a pressure spring, the left end of the pressure spring is fixed with the right plate surface of a pressure plate, and the right plate surface of the pressure plate is fixed with the left end surface of the mounting block; the left part of a drill plate is fixed with the top surface of the mounting block, and the right part of the drill plate is suspended; a slide block is arranged between a spring pressing plate and the mounting block; a core shaft is arranged on the slide block through a core shaft base; the left part of a screw rod is fixed with the right part of the slide block; a large spring is sleeved on the screw rod between the slide block and the spring pressing plate; the right end of the screw rod penetrates through a through hole in the spring pressing plate and is sleeved with a locking nut. According to the pin hole drilling device, a cam of the cam shaft is positioned in a double-sided manner through V-shaped positioning grooves in the positioning block, so that the positioning precision can be guaranteed; the core shaft for sleeving the cam shaft can move left and right, so that the cam shaft can be conveniently sleeved.

Description

A kind of camshaft draw-bore device
Technical field
The utility model belongs to frock clamp field, specifically, relates in particular to a kind of camshaft draw-bore device.
Background technology
Camshaft is that one is used mechanical part widely, on the cam of this camshaft, has dowel hole.At present, generally first by a draw-bore frock, camshaft is located, then pass through bit bore.The cam orientation of the mode of draw-bore frock employing one side location to camshaft, and the positioning core axle partial fixing of suit camshaft is motionless.
The defect of existing draw-bore frock is as follows: 1, because the mode that adopts one side location is located, and the semifinished product precision of cam is poor, so just can not guarantee positioning precision, thereby cannot guarantee the angle requirement of pin-and-hole with respect to camshaft centre bore;
2, because positioning core axle partial fixing is motionless, be so just not easy to be set with camshaft, thereby cause clamping inefficiency, be badly in need of solving above-mentioned technical barrier for this reason.
Utility model content
The camshaft draw-bore device that provides a kind of positioning precision high, easy to use is provided technical problem to be solved in the utility model.
The technical solution of the utility model is as follows: a kind of camshaft draw-bore device, it is characterized in that: comprise base plate (1), bushing plate (9) and screw rod (14), wherein the left part of base plate (1) end face is installed with a mounting blocks (2), in the lateral aperture at mounting blocks middle part, an alignment pin (3) is housed, the right part of this alignment pin exceedes mounting blocks (2) right side; In the horizontal installing hole on described mounting blocks (2) top, a locating piece (4) is housed, this locating piece and mounting blocks (2) are slidably matched, and the right part of locating piece (4) exceeds mounting blocks (2) right side, and locating piece (4) right part has the V-type locating slot of a up/down perforation; The left side of described locating piece (4) and a stage clip (5) right-hand member are fixed, the right panel face of the left end of this stage clip (5) and pressing plate (6) is fixed, and the right panel face of pressing plate (6) is fixed with the left side of described mounting blocks (2) simultaneously; Described bushing plate (9) is and is horizontally disposed with, the left part of this bushing plate and described mounting blocks (2) end face are fixed, and the right part of bushing plate (9) is unsettled, the drill bit via hole on this free end is positioned at directly over the V-type locating slot on described locating piece (4);
The right part of described base plate (1) end face is provided with a spring bearer plate (10), a slide block (11) between spring bearer plate and described mounting blocks (2), the dovetail part of this slider bottom snaps in the dovetail chute of base plate (1) end face, and can horizontally slip; On described slide block (11), be installed with a mandrel base (12), be vertically provided with a mandrel (13) in mandrel base top, the end face of this mandrel is lower than described bushing plate (9) bottom surface;
Described screw rod (14) is and is horizontally disposed with, the left part of this screw rod and described slide block (11) right part are fixed, and are set with a big spring (15) on the screw rod (14) between slide block (11) and described spring bearer plate (10); Described screw rod (14) right-hand member passes after the via hole on spring bearer plate (10), is set with a locking nut (16).
The utility model carries out dual contact by the V-type locating slot on described locating piece (4) to the cam of camshaft, so just can guarantee positioning precision, and the mandrel part of suit camshaft can move left and right, thereby be convenient to be set with camshaft, and then overcome well the defect of traditional structure, and this frock is simple in structure, easy to implement, there is good practicality.
For the ease of connecting, the left part of described bushing plate (9) is fixing by a screw (17) vertically arranging and mounting blocks (2).
As preferably, the left part of described screw rod (14) is threaded connection with slide block (11) right part and fixes.
Beneficial effect: the utility model carries out dual contact by the V-type locating slot on described locating piece (4) to the cam of camshaft, so just can guarantee positioning precision, and the mandrel part of suit camshaft can move left and right, thereby be convenient to be set with camshaft, and then overcome well the defect of traditional structure, and this frock is simple in structure, easy to implement, there is good practicality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, a kind of camshaft draw-bore device, is mainly made up of base plate 1, mounting blocks 2, alignment pin 3, locating piece 4, stage clip 5, pressing plate 6, bushing plate 9, spring bearer plate 10, slide block 11, mandrel base 12, mandrel 13, screw rod 14, big spring 15, locking nut 16 and screw 17.Wherein, the left part of described base plate 1 end face is installed with a mounting blocks 2, and an alignment pin 3 is housed in the lateral aperture at mounting blocks 2 middle parts, and the right part of this alignment pin 3 exceedes mounting blocks 2 right sides.In the horizontal installing hole on described mounting blocks 2 tops, a locating piece 4 is housed, this locating piece 4 is slidably matched with mounting blocks 2, and the right part of locating piece 4 exceeds mounting blocks 2 right sides, and locating piece 4 right parts have the V-type locating slot of a up/down perforation.
The left side of described locating piece 4 and stage clip 5 right-hand members are fixed, and the right panel face of the left end of this stage clip 5 and pressing plate 6 is fixed, and the right panel face of pressing plate 6 is fixed with the left side of described mounting blocks 2 simultaneously.Described bushing plate 9 is and is horizontally disposed with, and the left part of this bushing plate 9 and described mounting blocks 2 end faces are fixed, and the right part of bushing plate 9 is unsettled, and the drill bit via hole on this free end is positioned at directly over the V-type locating slot on described locating piece 4;
As shown in Figure 1, the right part of described base plate 1 end face is provided with a spring bearer plate 10, a slide block 11 between spring bearer plate and described mounting blocks 2, and the dovetail part of this slider bottom snaps in the dovetail chute of base plate 1 end face, and can horizontally slip.And, on described slide block 11, be installed with a mandrel base 12, be provided with a mandrel 13 at the top vertical of mandrel base 12, the end face of this mandrel 13 is lower than described bushing plate 9 bottom surfaces.
Described screw rod 14 is and is horizontally disposed with, and the mode that the left part of this screw rod 14 is threaded connection and described slide block 11 right parts are fixed, and are set with a big spring 15 on the screw rod 14 between slide block 11 and described spring bearer plate 10.Described screw rod 14 right-hand members pass after the via hole on spring bearer plate 10, are set with a locking nut 16.
Operation principle of the present utility model is as follows:
Before boring, first pull described screw rod 14 to the right, thereby make described mandrel 13 move to the right of bushing plate 9, now camshaft (being workpiece G) is sleeved on to the top of mandrel 13, then decontrol screw rod 14, the reset that moves to left under the effect of big spring 15 of described mandrel 13, and described alignment pin 3 locates slide block 11, thus guarantee on cam that institute's draw-bore is to the centre-to-centre spacing of camshaft centre bore; And the cam of described camshaft snaps in the V-type locating slot of described locating piece 4 right parts, thereby by this V-type locating slot dual contact, and then guarantee the angle requirement of institute's draw-bore on cam.
The foregoing is only preferred embodiment of the present utility model; not take the utility model as restriction; all any modifications 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 (3)

1. a camshaft draw-bore device, it is characterized in that: comprise base plate (1), bushing plate (9) and screw rod (14), wherein the left part of base plate (1) end face is installed with a mounting blocks (2), in the lateral aperture at mounting blocks middle part, an alignment pin (3) is housed, the right part of this alignment pin exceedes mounting blocks (2) right side; In the horizontal installing hole on described mounting blocks (2) top, a locating piece (4) is housed, this locating piece and mounting blocks (2) are slidably matched, and the right part of locating piece (4) exceeds mounting blocks (2) right side, and locating piece (4) right part has the V-type locating slot of a up/down perforation; The left side of described locating piece (4) and a stage clip (5) right-hand member are fixed, the right panel face of the left end of this stage clip (5) and pressing plate (6) is fixed, and the right panel face of pressing plate (6) is fixed with the left side of described mounting blocks (2) simultaneously; Described bushing plate (9) is and is horizontally disposed with, the left part of this bushing plate and described mounting blocks (2) end face are fixed, and the right part of bushing plate (9) is unsettled, the drill bit via hole on this free end is positioned at directly over the V-type locating slot on described locating piece (4);
The right part of described base plate (1) end face is provided with a spring bearer plate (10), a slide block (11) between spring bearer plate and described mounting blocks (2), the dovetail part of this slider bottom snaps in the dovetail chute of base plate (1) end face, and can horizontally slip; On described slide block (11), be installed with a mandrel base (12), be vertically provided with a mandrel (13) in mandrel base top, the end face of this mandrel is lower than described bushing plate (9) bottom surface;
Described screw rod (14) is and is horizontally disposed with, the left part of this screw rod and described slide block (11) right part are fixed, and are set with a big spring (15) on the screw rod (14) between slide block (11) and described spring bearer plate (10); Described screw rod (14) right-hand member passes after the via hole on spring bearer plate (10), is set with a locking nut (16).
2. camshaft draw-bore device according to claim 1, is characterized in that: the left part of described bushing plate (9) is fixing by a screw (17) vertically arranging and mounting blocks (2).
3. camshaft draw-bore device according to claim 1 and 2, is characterized in that: the left part of described screw rod (14) is threaded connection with slide block (11) right part and fixes.
CN201320735330.6U 2013-11-19 2013-11-19 Pin hole drilling device for cam shaft Expired - Fee Related CN203636441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320735330.6U CN203636441U (en) 2013-11-19 2013-11-19 Pin hole drilling device for cam shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320735330.6U CN203636441U (en) 2013-11-19 2013-11-19 Pin hole drilling device for cam shaft

Publications (1)

Publication Number Publication Date
CN203636441U true CN203636441U (en) 2014-06-11

Family

ID=50867720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320735330.6U Expired - Fee Related CN203636441U (en) 2013-11-19 2013-11-19 Pin hole drilling device for cam shaft

Country Status (1)

Country Link
CN (1) CN203636441U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104440198A (en) * 2014-12-08 2015-03-25 重庆市银钢一通科技有限公司 Positioning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104440198A (en) * 2014-12-08 2015-03-25 重庆市银钢一通科技有限公司 Positioning device

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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: 20141119

EXPY Termination of patent right or utility model