CN201881113U - Adjustable rolling device for connecting rod big-end bores of marine diesel engines - Google Patents
Adjustable rolling device for connecting rod big-end bores of marine diesel engines Download PDFInfo
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- CN201881113U CN201881113U CN2010206199919U CN201020619991U CN201881113U CN 201881113 U CN201881113 U CN 201881113U CN 2010206199919 U CN2010206199919 U CN 2010206199919U CN 201020619991 U CN201020619991 U CN 201020619991U CN 201881113 U CN201881113 U CN 201881113U
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- roller
- casing
- spring
- rolling device
- roller mount
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Abstract
The utility model discloses an adjustable rolling device for connecting rod big-end bores of marine diesel engines. The adjustable rolling device comprises a cylindrical tank, a roller, a roller seat, a spring, a supporting shaft and a bolt, the cylindrical tank arranged vertically is provided with an upper opening and a lower opening, the roller, the roller seat, the spring, the supporting shaft and the bolt are mounted on the tank from bottom to top, the tank is fixedly connected with a vertical lathe via a fixing connection mechanism, the roller seat is mounted on the lower portion of the tank in an inserted manner, a pin arranged transversely penetrates through the tank and the roller seat so as to connect the tank with the roller seat, the roller can be mounted on the roller seat detachably, the supporting shaft is arranged between the bolt and the roller seat, the spring is sleeved on the lower portion of the supporting shaft, the spring elastically contacts with the roller seat disposed below the spring, and the bolt is inserted into the upper portion of the tank. The adjustable rolling device is used for rolling the connecting rod big-end bores, is capable of strengthening surfaces of the connecting rod big-end bores while reducing surface roughness after rolling, and has lower affection onto shape and position of inner surfaces of the connecting rod big-end bores.
Description
Technical field
The utility model relates to a kind of machine-building instrument, particularly a kind of adjustable rolling device of marine diesel crank pin end pore.
Background technology
In the prior art, general rolling tools are the rigidity roll extrusion, roller mount is fixed when being roll extrusion, big after the roll extrusion to the influence of rod surface morpheme, the roughness of piece surface always improves before with respect to roll extrusion after the roll extrusion, be that fineness generally can reach Ra0.4～Ra0.8 better after the roll extrusion.But the roll extrusion of marine diesel crank pin end pore reduces its surface roughness (Ra3.2～Ra6.3) to reach the special requirement of connecting rod when requiring to be surface peening.
The utility model content
The purpose of this utility model is to provide a kind of adjustable rolling device of marine diesel crank pin end pore, use this device that crank pin end pore is carried out roll extrusion, can reduce its surface roughness the big end hole surface peening time after the roll extrusion, and less to the morpheme influence of big end internal surface of hole.
The purpose of this utility model can realize by following technical measures: a kind of adjustable rolling device of marine diesel crank pin end pore, it comprises the cartridge type casing and the bottom-up roller that is installed on the casing of the upper and lower opening of vertical setting, roller mount, spring, back shaft and bolt, casing is fixedly linked by fixedly connected mechanism and vertical lathe, described roller mount is inserted into the bottom of described casing, the latch of one horizontally set passes described casing and roller mount, casing is linked to each other with roller mount, described roller is installed on the roller mount removably, described back shaft is between described bolt and roller mount, described spring housing is contained in the bottom of described back shaft, this spring and the roller mount Elastic Contact that is positioned at its below, the top of described back shaft is set with thrust ball bearing, described bolt is inserted into described casing top, and is positioned at described thrust ball bearing top this thrust ball bearing of roof pressure.
The inwall of described casing upper end is provided with internal thread, and described bolt is screwed in the described casing by internal thread, and regulates the amount of stretching into of described bolt and then regulate the pressure of described spring pair roller seat.
The top of described roller mount is provided with up big and down small stair-stepping second order locating slot, this second order locating slot has step, what wherein be positioned at the center is the less central channel of diameter, what be positioned at the periphery is the bigger spring groove of diameter, described back shaft stretches in the described central channel, described spring then is positioned at described spring groove, and withstands step.
Described latch is the column type latch, laterally offers a circular pin hole on the described casing, and described roller mount and this latch opposite position place also laterally offer the key-way shape hole.
There is the difference in size of 4mm between the two in the bore size in the key-way shape hole of offering on the described roller mount greater than the size of described latch, makes roller mount have the displacement of 4mm on the direction of vertical described latch.
Described spring is a butterfly spring.
Described roller mount is the rod seat of Y type, and it has U type groove, and described roller is installed on the roller mount by the roller shaft of horizontally set, and part is positioned at described U type groove.
Described fixedly connected mechanism comprises rolling tools special tool holder and add long handle, and described rolling tools special tool holder is fixed on the vertical lathe, and described long handle one end that adds is fixedlyed connected with casing, and the other end is fixedlyed connected with described rolling tools special tool holder.
Described rolling tools special tool holder is a U type mouth with adding the end that long handle links to each other, and the described long handle that adds inserts this U type mouth, and fixedlys connected with the rolling tools special tool holder by bolt.
The adjustable rolling device of marine diesel crank pin end pore of the present utility model has following advantage:
1, this use is novel has adopted flexible roll extrusion, and roller mount can be done the slip of small distance along with the crank pin end pore surface configuration in casing, and the form and position tolerance influence to crank pin end pore after the roll extrusion is very little;
2, this utility model instrument can be according to the requirement of user's roughness and roll extrusion intensity, by changing different rollers and adjusting the M30 bolt pretightning force of butterfly spring is satisfied user's the surface peening and the requirement of roughness value.(roller arc radius R promptly shows roughness Ra to the parameters of roller, recess width k, depth of groove d, flute pitch β) can change and produce the roller of a lot of different parameters combination, by changing that different rollers satisfies that marine diesel crank pin end pore roll extrusion rear surface is strengthened and the requirement of different surface roughness (scope Ra0.4～Ra6.3);
3, this milled head is installed in processing parts on the vertical lathe by the milled head special tool holder, and attrition component roller low cost of manufacture is changed easily, safeguards simply, has saved production cost.
Description of drawings
Fig. 1 is the generalized section of the adjustable rolling device of marine diesel crank pin end pore of the present utility model;
Fig. 2 is the explosive view of rolling device structure shown in Figure 1;
Fig. 3 is the cutaway view one of roller in the rolling device structure shown in Figure 1;
Fig. 4 is the cutaway view two of roller in the rolling device structure shown in Figure 1;
Fig. 5 is the side view one of the user mode figure of rolling device structure shown in Figure 1;
Fig. 6 is the side view two of the user mode figure of rolling device structure shown in Figure 1.
The specific embodiment
Fig. 1 to Fig. 6 shows the schematic diagram of the adjustable rolling device of marine diesel crank pin end pore of the present utility model, it comprises the barrel mast shape casing 5 and the roller 9 of upper and lower opening, also comprise M30 * 2 bolts 1 that are installed in the casing 5, back shaft 3, spring 4 and roller mount 7, the inwall of casing 5 upper ends is provided with screw thread, bolt 1 is screwed in the casing by screw thread, the shaft part of bolt 1 is inserted in the casing 5 by the top of casing, the top of roller mount 7 is inserted in the casing 5 by the bottom of casing 5, and the top of roller mount 7 is provided with horizontal key-way shape hole 71, and by a latch 6 and casing 5 relative fixed, latch 6 is the column type latch, accordingly, offer a circular pin hole on the casing 5.There is the difference in size of 4mm between the two in the bore size in key-way shape hole greater than the size of latch, makes roller mount have the displacement of 4mm on the direction of vertical latch.
The top of back shaft 3 is set with thrust ball bearing 2, and bolt 1 is inserted into casing 5 tops, and is positioned at this thrust ball bearing 2 of thrust ball bearing 2 top roof pressures.
The top of roller mount 7 is provided with up big and down small stair-stepping second order locating slot 72, has step in this second order locating slot 72, what wherein be positioned at the center is the less central channel of diameter, what be positioned at the periphery is the bigger spring groove of diameter, back shaft stretches in the central channel, spring then is positioned at spring groove, and withstands step.
In addition, for rolling device of the present utility model is mounted on the vertical lathe, this apparatus structure also comprises a fixedly connected mechanism, as shown in Figure 2, this fixture comprises rolling tools special tool holder 13 and adds long handle 10, rolling tools special tool holder 13 is fixed on the vertical lathe, adds long handle 10 1 ends and fixedlys connected with casing 5 by M8 bolt 11, and the other end is fixedly connected in rolling tools special tool holder 13.The rolling tools special tool holder is a U type mouth with adding the end that long handle links to each other, and adds 10 of long handles and is fixedly installed in this U type mouth by M16 bolt 12.
Roller can adopt shown in Fig. 3,4, radius of corner R2.5, fillet roughness Ra3.2, be processed with equally spaced groove on the roller R2.5 curved surface, the wide K=0.3mm of groove, dark d=0.2, angle beta=10 ° at interval between the groove, each parameter can change on the roller, and rolling tools can satisfy surface roughness after the roll extrusion of marine diesel crank pin end pore and require (scope Ra0.4～Ra6.3) by changing different rollers.
Shown in Fig. 5,6, when carrying out rolling and processing, suitable roller (selection has roller cutting or slotless) is selected in requirement according to roughness, connecting rod is along with the vertical lathe workbench rotates around the crank pin end pore center, rolling tools are done feed motion straight down, feed speed is by Machine-Tool Control, and rolling quantity is adjusted by M30 * 2 bolts 1.M30 * 2 bolts 1 turn clockwise again to certain position, butterfly spring is applied pretightning force, adjust the size that rolling quantity is controlled roll extrusion power, be aided with suitable feed speed and can finish rolling and processing.Turn M30 * 2 bolts 1 when adjusting the roll extrusion surplus, thrust is delivered on the roller by thrust ball bearing, bolster, butterfly spring, roller mount, roller shaft.During roll extrusion connecting rod 14, the suffered roll extrusion power of roller is delivered on the butterfly spring by roller shaft and roller mount, because the deformation effect of butterfly spring, roller mount can be done the slip of small distance along with the crank pin end pore surface configuration in casing, thereby realizes flexible roll extrusion.
Embodiment of the present utility model is not limited thereto; under the above-mentioned basic fundamental thought of the utility model prerequisite;, all drop within the utility model rights protection scope modification, replacement or the change of the utility model other various ways that content is made according to the ordinary skill knowledge of this area and customary means.
Claims (9)
1. the adjustable rolling device of a marine diesel crank pin end pore, it is characterized in that: it comprises the cartridge type casing and the bottom-up roller that is installed on the casing of the upper and lower opening of vertical setting, roller mount, spring, back shaft and bolt, casing is fixedly linked by fixedly connected mechanism and vertical lathe, described roller mount is inserted into the bottom of described casing, the latch of one horizontally set passes described casing and roller mount, casing is linked to each other with roller mount, described roller is installed on the roller mount removably, described back shaft is between described bolt and roller mount, described spring housing is contained in the bottom of described back shaft, this spring and the roller mount Elastic Contact that is positioned at its below, the top of described back shaft is set with thrust ball bearing, described bolt is inserted into described casing top, and is positioned at described thrust ball bearing top this thrust ball bearing of roof pressure.
2. the adjustable rolling device of marine diesel crank pin end pore according to claim 1, it is characterized in that: the inwall of described casing upper end is provided with internal thread, described bolt is screwed in the described casing by internal thread, and regulates the amount of stretching into of described bolt and then regulate the pressure of described spring pair roller seat.
3. the adjustable rolling device of marine diesel crank pin end pore according to claim 2, it is characterized in that: the top of described roller mount is provided with up big and down small stair-stepping second order locating slot, this second order locating slot has step, what wherein be positioned at the center is the less central channel of diameter, what be positioned at the periphery is the bigger spring groove of diameter, described back shaft stretches in the described central channel, and described spring then is positioned at described spring groove, and withstands step.
4. the adjustable rolling device of marine diesel crank pin end pore according to claim 1, it is characterized in that: described latch is the column type latch, laterally offer a circular pin hole on the described casing, described roller mount and this latch opposite position place also laterally offer the key-way shape hole.
5. the adjustable rolling device of marine diesel crank pin end pore according to claim 4, it is characterized in that: the bore size in the key-way shape hole of offering on the described roller mount is greater than the size of described latch, the difference in size that has 4mm between the two makes roller mount have the displacement of 4mm on the direction of vertical described latch.
6. the adjustable rolling device of marine diesel crank pin end pore according to claim 1 is characterized in that: described spring is a butterfly spring.
7. the adjustable rolling device of marine diesel crank pin end pore according to claim 1, it is characterized in that: described roller mount is the rod seat of Y type, it has U type groove, and described roller is installed on the roller mount by the roller shaft of horizontally set, and part is positioned at described U type groove.
8. according to the adjustable rolling device of each described marine diesel crank pin end pore of claim 1 to 7, it is characterized in that: described fixedly connected mechanism comprises the rolling tools special tool holder and adds long handle, described rolling tools special tool holder is fixed on the vertical lathe, described long handle one end that adds is fixedlyed connected with casing, and the other end is fixedlyed connected with described rolling tools special tool holder.
9. the adjustable rolling device of marine diesel crank pin end pore according to claim 8, it is characterized in that: described rolling tools special tool holder is a U type mouth with adding the end that long handle links to each other, the described long handle that adds inserts this U type mouth, and fixedlys connected with the rolling tools special tool holder by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206199919U CN201881113U (en) | 2010-11-23 | 2010-11-23 | Adjustable rolling device for connecting rod big-end bores of marine diesel engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206199919U CN201881113U (en) | 2010-11-23 | 2010-11-23 | Adjustable rolling device for connecting rod big-end bores of marine diesel engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201881113U true CN201881113U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206199919U Expired - Fee Related CN201881113U (en) | 2010-11-23 | 2010-11-23 | Adjustable rolling device for connecting rod big-end bores of marine diesel engines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201881113U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649320A (en) * | 2012-02-17 | 2012-08-29 | 临沂为民机械有限公司 | Hydraulic vertical type oil press |
| CN103978098A (en) * | 2014-05-20 | 2014-08-13 | 郑小玲 | Elastic buffer-type propping roller |
| CN108080881A (en) * | 2017-12-19 | 2018-05-29 | 中车长春轨道客车股份有限公司 | A kind of wheel tread depth rolling device |
| CN108971886A (en) * | 2018-08-10 | 2018-12-11 | 周常 | A kind of wheel tread rolling device |
| CN110340208A (en) * | 2019-08-05 | 2019-10-18 | 江苏拢研机械有限公司 | A kind of workpiece hole punched device |
| CN113941825A (en) * | 2020-07-16 | 2022-01-18 | 上海高斯通船舶配件有限公司 | High-power internal combustion engine cylinder sleeve inner surface rolling device |
| CN117821865A (en) * | 2022-07-01 | 2024-04-05 | 长春设备工艺研究所 | Rolling strengthening device for curve groove of inner wall of deep hole |
-
2010
- 2010-11-23 CN CN2010206199919U patent/CN201881113U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649320A (en) * | 2012-02-17 | 2012-08-29 | 临沂为民机械有限公司 | Hydraulic vertical type oil press |
| CN102649320B (en) * | 2012-02-17 | 2014-09-10 | 临沂为民机械有限公司 | Hydraulic vertical type oil press |
| CN103978098A (en) * | 2014-05-20 | 2014-08-13 | 郑小玲 | Elastic buffer-type propping roller |
| CN103978098B (en) * | 2014-05-20 | 2015-11-25 | 郑小玲 | Spring damping formula pushes up stitching |
| CN108080881A (en) * | 2017-12-19 | 2018-05-29 | 中车长春轨道客车股份有限公司 | A kind of wheel tread depth rolling device |
| CN108971886A (en) * | 2018-08-10 | 2018-12-11 | 周常 | A kind of wheel tread rolling device |
| CN110340208A (en) * | 2019-08-05 | 2019-10-18 | 江苏拢研机械有限公司 | A kind of workpiece hole punched device |
| CN113941825A (en) * | 2020-07-16 | 2022-01-18 | 上海高斯通船舶配件有限公司 | High-power internal combustion engine cylinder sleeve inner surface rolling device |
| CN117821865A (en) * | 2022-07-01 | 2024-04-05 | 长春设备工艺研究所 | Rolling strengthening device for curve groove of inner wall of deep hole |
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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: 20110629 Termination date: 20141123 |
|
| EXPY | Termination of patent right or utility model |