CN1179814C - Cylinder end reamer - Google Patents
Cylinder end reamer Download PDFInfo
- Publication number
- CN1179814C CN1179814C CNB021354715A CN02135471A CN1179814C CN 1179814 C CN1179814 C CN 1179814C CN B021354715 A CNB021354715 A CN B021354715A CN 02135471 A CN02135471 A CN 02135471A CN 1179814 C CN1179814 C CN 1179814C
- Authority
- CN
- China
- Prior art keywords
- rocking arm
- reamer
- cutter shaft
- cylinder end
- locking device
- 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
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Abstract
The present invention discloses a cylinder end reamer, which comprises a body, a lifting worktable, a cylinder end clamping device, an upright post, a rocker arm, a rocker arm locking device, a rotating cutter shaft, a feeding device, a motor, a rotating cutter shaft transmission device, a feeding transmission device, a cutter shaft fixing device and a control box, wherein the upright post is positioned at one side of the worktable, is fixedly connected with the body, and is extended upwards; the rocker arm is arranged at the upper end of the upright post and can be rotated around the upright post, the rocker arm locking device is arranged on the rocker arm; the rotating cutter shaft and the feeding device are arranged on the rocker arm; the motor is arranged on the rocker arm; the rotating cutter shaft transmission device and the feeding transmission device are driven by the motor; the cutter shaft fixing device is used for fixing the cutter shaft; the control box is used for controlling the operation of the reamer; the rotating cutter shaft is provided with two universal joints and a positioning rod. When the positioning rod is inserted into a valve guide pipe which is arranged in a cylinder end, when a pressing disk causes a bearing which is connected to a cutter frame shaft in a sliding to be pressed on the bottom surface of the rocker arm, a disk-shaped reamer frame is completely positioned in a radical way, and the deviation of the disk-shaped reamer frame is completely counteracted by the two universal joints. The present invention has the advantages of quick and exact positioning, high processing efficiency, and large popularization value for manufacturing and repairing trades of internal combustion engines.
Description
Technical field
The present invention relates to a kind of mechanical processing machine, particularly relate to a kind of lathe of processing the internal combustion engine cylinder head.
Background technology
As everyone knows, the cylinder outer end of internal combustion engine is equipped with cylinder head, inlet valve, exhaust valve are installed on the cylinder head, inlet valve, exhaust valve open and close along valve guide bushing separately, it is solid horn-like that the head of inlet valve, exhaust valve is, thereby the switching of this horn-like head and valve insert seat control air inlet, exhaust make internal combustion engine finish acting.Because the rotating speed of internal combustion engine is very fast, inlet valve, exhaust valve ceaselessly open and close, thereby are easy to damage valve insert seat, when valve insert seat and valve sealing are tight, easily causing internal combustion engine gas leakage, is that the efficient of internal combustion engine reduces greatly, internal combustion engine cisco unity malfunction when serious.When repairing valve insert seat, annular valve insert seat need be pressed into earlier in the cylinder head, process the contact-making surface that matches with valve with reamer again.Traditional repair method is to drive reamer with electric hand drill to process the contact-making surface that matches with valve, because vibration and inaccurate to the heart, the usually crooked and rough surface of contact-making surface after the processing, do not satisfy instructions for use, process with drilling machine that it is also inaccurate to the heart, and two kinds of method efficient are all very low, once can only process a working face of a valve insert seat.
Summary of the invention
The object of the present invention is to provide a kind of, cylinder end reamer that working (machining) efficiency high accurate to the heart.
The object of the present invention is achieved like this, cylinder end reamer comprises a body, be installed on the self-powered platform on the body, be positioned at workbench one side and with the affixed and upwardly extending column of bed body, being installed on the column upper end also can be around the rocking arm of column rotation, be installed on the rocking arm locking device on the rocking arm, be installed on the cylinder head positioning and locking device of rocking arm bottom surface, be installed on swivel knife shaft and feed arrangement on the rocking arm, be installed on the motor on the rocking arm, by motor-driven swivel knife shaft transmission device and feed drive gearing, the cutter shaft fixture that is used for fixing cutter shaft, the control cabinet of control reamer (rimer) work, the top of described swivel knife shaft is the splined shaft that rocking arm is passed on the top, splined shaft is connected for sliding up and down with the splined hole at the transmission output gear center of swivel knife shaft transmission device, the spline the tip of the axis connects two universal joints successively along its axis, universal joint is connected with tool axis downwards, the base plate cutter shaft hole that the knife rest the tip of the axis passes rocking arm is provided with the block-type reamer frame, cutter ladder is provided with reamer, the bottom surface of block-type reamer frame is provided with backstay, a bearing is slidingly connected on the tool axis on block-type reamer frame top, bearing outer ring is fixed with bearing block, described cutter shaft fixture comprises the compression plate that is positioned at the bearing block below, the bottom surface of compression plate is provided with push rod, also have one to be used to the position-arresting disk of locating compression plate and being installed on the rocking arm bottom surface, compression plate can freely move up and down in the cavity of position-arresting disk; Described feed arrangement comprises the leading screw that is driven by feed drive gearing, the screw that matches with leading screw, the parallel feed rod that is provided with leading screw, feed rod is provided with sliding sleeve, there is connecting plate that screw and sliding sleeve are fixedly connected into slide mass, slide mass is provided with the shift fork that its end is a fork-shaped, and the top of described tool axis is provided with the annular fork slot that the control swivel knife shaft moves up and down, and shift fork is plugged in the annular fork slot.
As a kind of improvement, the screw that matches with leading screw of described feed arrangement is the folding screw of magnet control, and the jointed shaft and the connecting plate of folding screw are affixed, and the below of connecting plate is equipped with back-moving spring.But the slide mass that screw and sliding sleeve is fixedly connected into by connecting plate of described feed arrangement is provided with the stroke push rod of up-down adjustment, and rocking arm is provided with the feed distance switch that can be promoted by the stroke push rod.
As further improvement, the described rocking arm locking device that is installed on the rocking arm is to be arranged near the interior locking device of column and to be arranged at outer locking device away from the outer end of the rocking arm of column, locking device is arranged between rocking arm and the column in described, and the outer locking device is arranged between rocking arm and the bed body.
As further improvement, the end face of the compression plate of described cutter shaft fixture is provided with the travel switch push rod, and a clamping stroke switch by the promotion of travel switch push rod is installed on the rocking arm.
As further improvement, described cylinder end reamer has two cover feeding devices, and every cover feeding device drives two swivel knife shafts simultaneously.
Owing to adopted technique scheme, cylinder end reamer comprises a body, be installed on the self-powered platform on the body, be installed on the cylinder head clamping device on the self-powered platform, be positioned at workbench one side and with the affixed and upwardly extending column of bed body, being installed on the column upper end also can be around the rocking arm of column rotation, be installed on the rocking arm locking device on the rocking arm, be installed on swivel knife shaft and feed arrangement on the rocking arm, be installed on the motor on the rocking arm, by motor-driven swivel knife shaft transmission device and feed drive gearing, the cutter shaft fixture that is used for fixing cutter shaft, the control cabinet of control reamer (rimer) work, the top of described swivel knife shaft is the splined shaft that rocking arm is passed on the top, splined shaft is connected for sliding up and down with the splined hole at the transmission output gear center of swivel knife shaft transmission device, the spline the tip of the axis connects two universal joints successively along its axis, universal joint is connected with tool axis downwards, the base plate cutter shaft hole that the knife rest the tip of the axis passes rocking arm is provided with the block-type reamer frame, cutter ladder is provided with reamer, the bottom surface of block-type reamer frame is provided with backstay, a bearing is slidingly connected on the tool axis on block-type reamer frame top, bearing outer ring is fixed with bearing block, described cutter shaft fixture comprises the compression plate that is positioned at the bearing block below, the bottom surface of compression plate is provided with push rod, also have one to be used to the position-arresting disk of locating compression plate and being installed on the rocking arm bottom surface, compression plate can freely move up and down in the cavity of position-arresting disk; Described feed arrangement comprises the leading screw that is driven by feed drive gearing, the screw that matches with leading screw, the parallel feed rod that is provided with leading screw, feed rod is provided with sliding sleeve, there is connecting plate that screw and sliding sleeve are fixedly connected into slide mass, slide mass is provided with the shift fork that its end is a fork-shaped, and the top of described tool axis is provided with the annular fork slot that the control swivel knife shaft moves up and down, and shift fork is plugged in the annular fork slot.Because the bottom surface of block-type reamer frame is provided with backstay, during valve guide bushing in backstay does not insert cylinder head, the block-type reamer frame is in the delocalization state because of double Hooke's joint, self-powered platform rises and when the valve guide bushing in the backstay insertion cylinder head, the block-type reamer frame also can rock slightly, self-powered platform continues to rise, then workpiece promotes compression plate bottom surface push rod, push rod promotes compression plate and the bearing that is slidingly connected on the tool axis is pressed on the rocking arm bottom surface, this moment, the block-type reamer frame was radially located fully, its deviation is offset by double Hooke's joint and bearing fully, this Design Orientation quick and precisely, the working (machining) efficiency height waste product can not occur, has very big promotional value in the manufacturing and the repairing trades of internal combustion engine.
The screw that matches with leading screw of described feed arrangement is the folding screw of magnet control, and the jointed shaft and the connecting plate of folding screw are affixed, and the below of connecting plate is equipped with back-moving spring.But the slide mass that screw and sliding sleeve is fixedly connected into by connecting plate of described feed arrangement is provided with the stroke push rod of up-down adjustment; rocking arm is provided with the feed distance switch that can be promoted by the stroke push rod; this design controllable system feeding depth, and working (machining) efficiency is further improved.
The described rocking arm locking device that is installed on the rocking arm is to be arranged near the interior locking device of column and to be arranged at outer locking device away from the outer end of the rocking arm of column, locking device is arranged between rocking arm and the column in described, the outer locking device is arranged between rocking arm and the bed body, this design can make the complete machine rigidity higher, overcomes the defective of rocking arm lathe poor rigidity.
Description of drawings
Fig. 1 is the structure principle chart of the embodiment of the invention.
Fig. 2 is the structure principle chart of embodiment of the invention swivel knife shaft.
Fig. 3 is the structure principle chart of embodiment of the invention feed arrangement.
The specific embodiment
As shown in Figure 1, cylinder end reamer comprises a body 1, is installed on the self-powered platform 2 on the body 1, and described self-powered platform 2 is an electric table, and by actuator drives, described self-powered platform also is provided with manual driving device 23 by motor 22; Be positioned at workbench 2 one sides and with bed body 1 affixed and upwardly extending column 3, the Rocker arm 4 that is installed on column 3 upper ends and can rotates around column 3, be installed on the rocking arm locking device 51,52 on the Rocker arm 4, the described rocking arm locking device that is installed on the Rocker arm 4 is to be arranged near the interior locking device 51 of column 3 and to be arranged at outer locking device 52 away from the outer end of the Rocker arm 4 of column 3; Locking device 51 is arranged between Rocker arm 4 and the column 3 in described, and outer locking device 52 is arranged between Rocker arm 4 and the bed body 1; The cylinder head positioning and locking device 42 that is installed on the Rocker arm 4 bottom surface for cylinder head on the cast that is complementary of the periphery on plane, and its inner surface is skewed.Be installed on swivel knife shaft 6 and feed arrangement 7 on the Rocker arm 4, described cylinder end reamer has two cover feeding devices 7, and every cover feeding device 7 drives two swivel knife shafts 6 simultaneously; The control cabinet 12 of swivel knife shaft transmission device 9 and the feed drive gearing 10 that is installed on motor 8 on the Rocker arm 4, drives by motor 8, the cutter shaft fixture 11 that is used for fixing cutter shaft, the work of control reamer (rimer).As shown in Figure 2, the top of described swivel knife shaft 6 is the splined shaft 61 that Rocker arm 4 is passed on the top, splined shaft 61 is connected for sliding up and down with the splined hole at the transmission output gear center of swivel knife shaft transmission device 9, the end of splined shaft 61 connects two universal joints 62 successively along its axis, 63, universal joint is connected with tool axis 64 downwards, the base plate cutter shaft hole 41 that the end of tool axis 64 passes Rocker arm 4 is provided with block-type reamer frame 66, cutter ladder 66 is provided with reamer 67, the bottom surface of block-type reamer frame 66 is provided with backstay 68, a bearing 111 is slidingly connected on the tool axis 64 on block-type reamer frame 66 tops, bearing 111 outer rings are fixed with bearing block 112, described cutter shaft fixture 11 comprises the compression plate 113 that is positioned at bearing block 112 belows, the bottom surface of compression plate 113 is provided with push rod 114, also have one to be used to the position-arresting disk 117 of locating compression plate 113 and being installed on the Rocker arm 4 bottom surface, compression plate 113 can freely move up and down in the cavity of position-arresting disk 117.As shown in Figure 3, described feed arrangement 7 comprises the leading screw 71 that is driven by feed drive gearing 10, the screw 72 that matches with leading screw 71, with the leading screw 71 parallel feed rods 73 that are provided with, feed rod 73 is provided with sliding sleeve 74, has connecting plate 79 that screw 72 and sliding sleeve 74 are fixedly connected into slide mass, and slide mass is provided with the shift fork 75 that its end is a fork-shaped, the top of described tool axis 64 is provided with the annular fork slot 65 that control swivel knife shaft 6 moves up and down, and shift fork 75 is plugged in the annular fork slot 65.The screw 72 that matches with leading screw 71 of described feed arrangement 7 is the folding screw of magnet control, and the jointed shaft of folding screw and connecting plate 79 are affixed, and the below of connecting plate 79 is equipped with back-moving spring 76.But the slide mass that screw 72 and sliding sleeve 74 is fixedly connected into by connecting plate 79 of described feed arrangement 7 is provided with the stroke push rod 77 of up-down adjustment, and Rocker arm 4 is provided with the feed distance switch 78 that can be promoted by stroke push rod 77.The end face of the compression plate 113 of described cutter shaft fixture 11 is provided with travel switch push rod 115, and a clamping stroke switch 116 by 115 promotions of travel switch push rod is installed on the Rocker arm 4.
During use, at first unclamp and be arranged near the interior locking device 51 of column 3 and be arranged at outer locking device 52 away from the outer end of the Rocker arm 4 of column 3, rotate Rocker arm 4, cylinder head for internal combustion engines is placed on the self-powered platform 2 then, Rocker arm 4 be will rotate again and interior locking device 51, outer locking device 52 gone back to and lock, adjust the position of cylinder head, the valve port that makes cylinder head is the backstay 68 of subtend swivel knife shaft 6 approximately.Starter motor 22, self-powered platform 2 rises, and movable backstay 68 enters in the valve port of cylinder head, and self-powered platform 2 continues to rise, and cylinder head positioning and locking device 42 is skewed inner surface and automatically cylinder head is proofreaied and correct.Movable backstay 68 enters in the valve guide bushing in the valve port of cylinder head, backstay 68 and valve guide bushing are for being slidingly connected, when self-powered platform 2 continues to rise to certain altitude, the plane promotes the push rod 114 that compression plate 113 bottom surfaces are provided with on the cylinder head, compression plate 113 moves up and compresses the fixing bearing block 112 in bearing 111 outer rings that is slidingly connected on the tool axis 64, this moment, tool axis 64 was radially located fully, cylinder head is because of last location, the location of tool axis 64, cylinder head positioning and locking device 42 is locked cylinder head, the travel switch push rod 115 that while compression plate 113 end faces are provided with promotes clamping stroke switches 116, closes the motor 22 of self-powered platform by control device.Then, starter motor 8, swivel knife shaft transmission device 9 and feed drive gearing 10 driven rotary cutter shafts 6 and feed arrangement 7 rotations respectively by motor 8 drivings, swivel knife shaft drives reamer 67 rotations on the cutter ladder 66, the folding screw of magnet control closes and closes simultaneously, the folding screw moves down with the leading screw 71 of rotation, and drive by connecting plate 79, screw 72, sliding sleeve 74, shift fork 75 is fixedly connected into slide mass and moves down, the swivel knife shaft 6 that while shift fork 75 is stirred rotation moves down, thereby cut, behind the cutting depth that reaches setting, stroke push rod 77 promotes feed distance switch 78, switch 78 cuts out, the folding screw of magnet control is opened, back-moving spring 76 by connecting plate 79 belows will be by connecting plate 79, screw 72, sliding sleeve 74, shift fork 75 is fixedly connected into slide mass and pops up, and move up by shift fork 75 driven rotary cutter shafts 6, make cutter leave finished surface fast, because advance, the working depth difference of exhaust valve insert, each overlaps feeding device 7 and can be controlled by separately stroke push rod 77 and feed distance switch 78 respectively, after last travel switch 78 cuts out, motor 8 just cuts off the power supply, and whole lathe quits work.
This lathe is a special purpose machine tool, and the position of swivel knife shaft is according to the Position Design of the inlet and outlet door of different cylinder head of internal combustion engine, and the design's advantage is not high to the required precision that produces lathes, but its processing effect highly significant.
Claims (9)
1. cylinder end reamer, it is characterized in that: described cylinder end reamer comprises a body (1), be installed on the self-powered platform (2) on the body (1), be positioned at workbench (2) one sides and with the affixed and upwardly extending column of bed body (1) (3), being installed on column (3) upper end also can be around the rocking arm (4) of column (3) rotation, be installed on the rocking arm locking device (51 on the rocking arm (4), 52), be installed on the cylinder head positioning and locking device (42) of rocking arm (4) bottom surface, be installed on swivel knife shaft (6) and feed arrangement (7) on the rocking arm (4), be installed on the motor (8) on the rocking arm (4), swivel knife shaft transmission device (9) and feed drive gearing (10) by motor (8) driving, the cutter shaft fixture (11) that is used for fixing cutter shaft, the control cabinet (12) of control reamer (rimer) work; The top of described swivel knife shaft (6) is the splined shaft (61) that rocking arm (4) are passed on the top, splined shaft (61) is connected for sliding up and down with the splined hole at the transmission output gear center of swivel knife shaft transmission device (9), the end of splined shaft (61) connects two universal joints (62 successively along its axis, 63), universal joint is connected with tool axis (64) downwards, the base plate cutter shaft hole (41) that the end of tool axis (64) passes rocking arm (4) is provided with block-type reamer frame (66), cutter ladder (66) is provided with reamer (67), the bottom surface of block-type reamer frame (66) is provided with backstay (68), a bearing (111) is slidingly connected on the tool axis (64) on block-type reamer frame (66) top, bearing (111) outer ring is fixed with bearing block (112), described cutter shaft fixture (11) comprises the compression plate (113) that is positioned at bearing block (112) below, the bottom surface of compression plate (113) is provided with push rod (114), also have one to be used to the position-arresting disk (117) of locating compression plate (113) and being installed on rocking arm (4) bottom surface, compression plate (113) can freely move up and down in the cavity of position-arresting disk (117); Described feed arrangement (7) comprises the leading screw (71) that is driven by feed drive gearing (10), the screw (72) that matches with leading screw (71), the parallel feed rod (73) that is provided with leading screw (71), feed rod (73) is provided with sliding sleeve (74), there is connecting plate (79) that screw (72) and sliding sleeve (74) are fixedly connected into slide mass, slide mass is provided with the shift fork that its end is adopted shape (75), the top of described tool axis (64) is provided with the annular fork slot (65) that control swivel knife shaft (6) moves up and down, and shift fork (75) is plugged in the annular fork slot (65).
2. cylinder end reamer as claimed in claim 1, it is characterized in that: the screw (72) that matches with leading screw (71) of described feed arrangement (7) is the folding screw of magnet control, the jointed shaft of folding screw and connecting plate (79) are affixed, and the below of connecting plate (79) is equipped with back-moving spring (76).
3. cylinder end reamer as claimed in claim 2, it is characterized in that: described feed arrangement (7) by connecting plate (79) with screw (72) and sliding sleeve (74) but the slide mass that is fixedly connected into is provided with the stroke push rod (77) of up-down adjustment, rocking arm (4) is provided with the feed distance switch (78) that can be promoted by stroke push rod (77).
4. cylinder end reamer as claimed in claim 1 is characterized in that: describedly be installed on rocking arm locking device on the rocking arm (4) for being arranged near the interior locking device (51) of column (3) and being arranged at outer locking device (52) away from the outer end of the rocking arm (4) of column (3); Locking device (51) is arranged between rocking arm (4) and the column (3) in described, and outer locking device (52) is arranged between rocking arm (4) and the bed body (1).
5. cylinder end reamer as claimed in claim 1, it is characterized in that: the end face of the compression plate (113) of described cutter shaft fixture (11) is provided with travel switch push rod (115), and rocking arm (4) is gone up a clamping stroke switch (116) by travel switch push rod (115) promotion is installed.
6. cylinder end reamer as claimed in claim 1 is characterized in that: described cylinder end reamer has two cover feeding devices (7), and every cover feeding device (7) drives two swivel knife shafts (6) simultaneously.
7. as the described cylinder end reamer of the arbitrary claim of claim 1 to 6, it is characterized in that: described self-powered platform (2) is an electric table, passes through actuator drives by motor (22).
8. cylinder end reamer as claimed in claim 7 is characterized in that: described self-powered platform (2) is provided with manual driving device (23).
9. cylinder end reamer as claimed in claim 8 is characterized in that: the described cylinder head positioning and locking device (42) that is installed on rocking arm (4) bottom surface for cylinder head on the cast that is complementary of the periphery on plane, and its inner surface is skewed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021354715A CN1179814C (en) | 2002-09-07 | 2002-09-07 | Cylinder end reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021354715A CN1179814C (en) | 2002-09-07 | 2002-09-07 | Cylinder end reamer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1401453A CN1401453A (en) | 2003-03-12 |
| CN1179814C true CN1179814C (en) | 2004-12-15 |
Family
ID=4748212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021354715A Expired - Fee Related CN1179814C (en) | 2002-09-07 | 2002-09-07 | Cylinder end reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1179814C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412305B (en) * | 2007-10-16 | 2011-06-22 | 青岛藏南纸制品机械有限公司 | Electric adjusting apparatus of tool holder |
| CN203592531U (en) * | 2013-06-08 | 2014-05-14 | 成都天磐科技有限责任公司 | Timber drilling mechanism for conveniently controlling compaction of timber |
| CN103586539A (en) * | 2013-11-07 | 2014-02-19 | 江苏中强内燃机配件有限公司 | Valve retainer and valve guide pipe once-forming device |
| CN107414188B (en) * | 2017-09-22 | 2019-02-22 | 广东泓睿科技有限公司 | A kind of chucking reamer rotating device for machining |
| CN108247580B (en) * | 2018-04-09 | 2024-03-22 | 河北科技大学 | Novel expansion embedded part air gun |
| CN111136337B (en) * | 2020-01-12 | 2020-11-27 | 温州承玥机械设备有限公司 | Numerical control machine tool for machining and deburring parts in shaft |
-
2002
- 2002-09-07 CN CNB021354715A patent/CN1179814C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1401453A (en) | 2003-03-12 |
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| CF01 | Termination of patent right due to non-payment of annual fee |