Ship stern block end face slipway machining device and method
阅读说明：本技术 一种船舶艉总段端面船台加工装置及方法 (Ship stern block end face slipway machining device and method ) 是由 马宁 杨树振 毕坚裔 杜学之 王婷 于 2019-11-08 设计创作，主要内容包括：本发明提出的是一种船舶艉总段端面船台加工装置及方法。在支撑板上安装有电机及减速器,电机及减速器的伸出轴端探出支撑板连接有主动齿轮,主动齿轮拟合套装在镗杆上的从动齿轮,镗杆悬挂固定在支撑板下部,从动齿轮与衬套通过推力球轴承套装在镗杆上,从动齿轮与衬套之间通过销钉联接形成一体,在衬套的外部连接有摇臂,摇臂上设有水平运动的走刀总成和垂直运动的进刀总成,进刀总成上设有装夹刀具的刀架,在镗杆的下部套装有穿入在艉轴孔内的支撑座。本发明采用镗杆、支撑顶丝及支撑座,保证艉密封装置安装面与轴中心线垂直,把端面加工完成,使得艉密封装置安装端平面加工的垂直度要求。适宜作为艉密封装置安装端平面加工应用。(The invention provides a device and a method for processing an end surface slipway of a stern block of a ship. The automatic feeding device is characterized in that a motor and a speed reducer are installed on a supporting plate, the extending shaft ends of the motor and the speed reducer extend out of the supporting plate and are connected with a driving gear, the driving gear is fitted and sleeved on a driven gear on a boring rod, the boring rod is fixedly suspended on the lower portion of the supporting plate, the driven gear and a bushing are sleeved on the boring rod through a thrust ball bearing, the driven gear and the bushing are connected into a whole through a pin, a rocker arm is connected to the outer portion of the bushing, a horizontally moving feed assembly and a vertically moving feed assembly are arranged on the rocker arm, a tool rest for clamping a tool is arranged on the feed assembly, and. The invention adopts the boring bar, the supporting jackscrew and the supporting seat to ensure that the mounting surface of the stern sealing device is vertical to the central line of the shaft, and the end surface is processed, so that the verticality requirement of the plane processing of the mounting end of the stern sealing device is met. The method is suitable for processing and applying as the mounting end plane of the stern sealing device.)
1. The utility model provides a boats and ships stern block terminal surface slipway processingequipment which characterized by: the boring machine is provided with a motor and a speed reducer (1), a supporting plate (2), a driving gear (4), a driven gear (5), a boring rod (6), a lining (7), a rocker arm (13) and a supporting seat (9), wherein the motor and the speed reducer are installed on the supporting plate, the extending shaft end of the motor and the speed reducer extends out of the supporting plate and is connected with the driving gear, the driving gear is fitted on the driven gear on the boring rod in a fitting manner, the boring rod is fixedly suspended at the lower part of the supporting plate, the driven gear and the lining are sleeved on the boring rod through a thrust ball bearing (20), the driven gear and the lining are connected into a whole through a pin (19), the rocker arm is connected outside the lining, a clamping assembly moving horizontally and a feeding assembly moving vertically are arranged on the rocker arm, a tool rest (18) of a tool;
the supporting seat is clamped on the boring bar through symmetrically arranged clamping sleeves (8) and bolts, supporting jackscrews (10) are uniformly arranged on the side part of the supporting seat, and the center of the boring bar is adjusted and controlled to coincide with the center of a stern shaft hole; the upper portion of supporting seat is equipped with cylinder liner (11) with the axle center, and the top of cylinder liner is connected with roof (12) and is fixed a position the supporting seat on the machined surface.
2. The device for processing the end surface slipway of the stern block of the ship as claimed in claim 1, wherein: the feed assembly comprises a feed dovetail guide rail (21), a feed dovetail (22), a feed lead screw (14) and a feed hand wheel (15) of which the two ends drive the feed lead screw to rotate, the feed dovetail is connected with the rocker arm through the feed dovetail guide rail, and a feed screw nut (24) is installed on the feed lead screw to drive the feed assembly to move horizontally.
3. The device for processing the end surface slipway of the stern block of the ship as claimed in claim 2, wherein: and an embedding strip (25) is arranged between the feed dovetail guide rail and the feed dovetail to adjust the assembly gap.
4. The device for processing the end surface slipway of the stern block of the ship as claimed in claim 1, wherein: the feed assembly comprises a feed frame, a feed lead screw (16) and a feed hand wheel (17), the feed frame is mounted on the feed dovetail and moves horizontally along with the feed lead screw, the feed hand wheel for driving the feed lead screw to rotate is arranged at the upper end of the feed lead screw, a lead screw bearing (23) is arranged at the lower end of the feed lead screw, a feed screw nut (26) is connected to the middle of the feed lead screw, and the feed screw nut drags the tool rest to drive the feed assembly to move vertically.
5. The device for processing the end surface slipway of the stern block of the ship as claimed in claim 1, wherein: the tool rest clamps the tool through a tool bit jackscrew (27).
6. The device for processing the end surface slipway of the stern block of the ship as claimed in claim 1, wherein: the upper part of the supporting plate is provided with a rib plate (3) for enhancing the strength of the supporting plate.
7. The method for applying the device for processing the end surface slipway of the stern block of the ship as claimed in claim 1, is characterized in that:
1) manufacturing a device:
the proper motor and reducer are selected according to requirements, the driving part of the device adopts a variable frequency motor and a cycloidal pin gear reducer, so that a 4KW frequency converter matched with the motor is required, calculating the sizes of a top supporting jackscrew, a supporting seat and a top plate and a bolt and a nut matched with the top supporting jackscrew, the sizes of the top supporting jackscrew, the supporting seat and the top plate are calculated according to the inner diameter of a processed part, selecting a proper boring rod, arranging a feed dovetail guide rail and a rotating shaft with the verticality not more than +/-30', installing a motor and a speed reducer on a supporting plate, and in order to enhance the strength of, welding rib plates on proper positions of a supporting plate, matching the lower parts of a driving gear installation motor and a speed reducer with a driven gear embedded with a thrust ball bearing, installing the thrust ball bearing on a boring rod, then respectively installing a bushing, a rocker arm and a supporting seat on the boring rod through a locking sleeve, assembling a tool rest assembly on the rocker arm, and installing a feed screw rod and a feed hand wheel on the rocker arm for moving the tool rest assembly to move horizontally;
2) the installation device comprises:
penetrating a boring bar into a stern shaft hole from one end of a support base, supporting the support base on a processing surface through a bolt, a top plate, an inner hexagon bolt and a cylinder sleeve, aligning the boring bar by the center of the stern shaft hole, measuring the distance between the boring bar and the stern shaft hole by an inner micrometer, and ensuring that the center of the boring bar is superposed with the center of the stern shaft hole by adjusting a support jackscrew, wherein the deviation is less than or equal to 0.02 mm; a plurality of cutters are respectively arranged on the rocker arms at two sides, and the distance is adjusted to be used for installing the cutters; checking whether all the components are installed and fastened or not, and connecting a power supply to the motor after all the components are installed;
3) processing by using a device:
after the supporting seat is installed, electrifying the motor to test the operation, and checking the operation state of each part; stopping the motor to check the fastening condition of each part, rechecking the centering condition of the boring bar and the stern shaft hole, and installing the cutter on the cutter rest after confirming no problem; the tool is contacted with a machining surface through the feed screw and the feed hand wheel, the feed amount is adjusted, the motor is electrified to run, the rocker arm is driven by the motor to do rotary motion, the tool horizontally moves to machine the end surface under the action of the feed screw, the tool is contacted with the machining surface through the feed screw and the feed hand wheel to perform cutting machining, and the tool is disassembled after repeated machining until plane machining is completed.
Technical Field
The invention relates to ship stern block end face slipway processing in the field of ships, in particular to processing of a stern sealing device mounting end face during segmental vertical boring of a ship shafting.
Background
At present, when a stern sealing device for a ship is installed, an installation surface needs to be machined to ensure the installation requirements of the stern sealing device and the end surface of a stern tube, the installation surface of the stern sealing device needs to be perpendicular to a shaft system central line, and the verticality requirement is 0.10mm/m, however, the existing machining method cannot meet the verticality requirement. The tool design is urgently needed according to the size of the site construction environment, the end face is machined under the condition that construction conditions are met, meanwhile, the construction process is simplified, the construction difficulty is reduced, the working efficiency is improved, and the satisfaction of customers is achieved.
Disclosure of Invention
The invention provides a device and a method for processing an end surface slipway of a stern block of a ship, aiming at meeting the requirement of verticality of plane processing of an installation end of a stern sealing device. According to the device and the method, the end face machining tool is used for replacing a boring machine, after the stern shaft hole is machined, the supporting jackscrew and the supporting seat of the machining tool are designed according to the size of the stern shaft hole, the mounting surface of the stern sealing device is perpendicular to the shaft center line, other parts of the machining tool are selected and manufactured after the position is determined, the stern sealing device mounting end plane machining is carried out after the stern sealing device mounting end plane machining is finished and the technical problem of the stern sealing device mounting end plane machining accuracy is solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the ship stern block end face slipway processing device is provided with a motor, a speed reducer, a supporting plate, a driving gear, a driven gear, a boring rod, a lining, a rocker arm and a supporting seat, wherein the motor and the speed reducer are installed on the supporting plate, the extending shaft ends of the motor and the speed reducer extend out of the supporting plate and are connected with the driving gear, the driving gear is fitted on the driven gear on the boring rod in a fitting mode, the boring rod is fixedly suspended on the lower portion of the supporting plate, the driven gear and the lining are sleeved on the boring rod through a thrust ball bearing, the driven gear and the lining are connected into a whole through a pin, the rocker arm is connected to the outer portion of the lining, a feed assembly moving horizontally and a feed assembly moving vertically are arranged on the rocker arm, a cutter rest for clamping.
Furthermore, the support seat is clamped on the boring bar through symmetrically arranged clamping sleeves and bolts, supporting jackscrews are uniformly arranged on the side part of the support seat, and the center of the boring bar is adjusted and controlled to coincide with the center of the stern shaft hole; the upper portion of supporting seat is equipped with the cylinder liner with the axle center, and the top of cylinder liner is connected with the roof and is fixed a position the supporting seat on the machined surface.
Further, the feed assembly comprises a feed dovetail guide rail, a feed dovetail, a feed lead screw and a feed hand wheel, wherein the two ends of the feed lead screw drive the feed hand wheel to rotate, the feed dovetail is connected with the rocker arm through the feed dovetail guide rail, and a feed screw is mounted on the feed lead screw to drive the feed assembly to move horizontally.
Furthermore, an embedding strip is assembled between the feed dovetail guide rail and the feed dovetail to adjust the assembly gap.
Furthermore, the feed assembly comprises a feed frame, a feed screw and a feed hand wheel, the feed frame is mounted on the feed dovetail and moves horizontally along with the feed dovetail, the feed hand wheel for driving the feed screw to rotate is arranged at the upper end of the feed screw, a screw bearing is arranged at the lower end of the feed screw, a feed screw nut is connected to the middle of the feed screw, and the feed screw nut drags the feed frame to drive the feed assembly to move vertically.
Further, the tool rest clamps the tool through a tool bit jackscrew.
Furthermore, the upper part of the supporting plate is provided with a rib plate for enhancing the strength of the supporting plate.
Further, the bush and the driven gear are connected into a whole through a pin and rotate synchronously along with the driven gear.
The method has the advantages that the mounting end plane of the stern sealing device is machined by adopting a method replacing a boring machine, after the stern shaft hole is machined, the boring rod, the supporting jackscrew and the supporting seat are designed according to the size of the stern shaft hole, the mounting surface of the stern sealing device is ensured to be vertical to the shaft center line, other parts of a machining tool are selected and manufactured after the position is determined, and the mounting end plane of the stern sealing device is machined by assembling on a ship after the machining is finished. And designing a tool according to the size of the site construction environment, and finishing the end face machining under the condition of meeting construction conditions. The construction process is simplified, the construction difficulty is reduced, and the working efficiency is improved. The center of the boring bar is coincided with the center of the stern shaft hole, so that the verticality requirement of the plane processing of the mounting end of the stern sealing device is met. The method is suitable for processing and applying as the mounting end plane of the stern sealing device.
Drawings
FIG. 1 is a schematic view of a ship stern block end face slipway processing device;
fig. 2 is a schematic side view of the tool holder.
In the drawing, 1, a motor and a speed reducer, 2, a supporting plate, 3, a rib plate, 4, a driving gear, 5, a driven gear, 6, a boring rod, 7, a bushing, 8, a fastening sleeve, 9, a supporting seat, 10, a supporting jackscrew, 11, a cylinder sleeve, 12, a top plate, 13, a rocker arm, 14, a feed screw rod, 15, a feed hand wheel, 16, a feed screw rod, 17, a feed hand wheel, 18, a tool rest, 19, a pin, 20, a thrust ball bearing, 21, a feed dovetail guide rail, 22, a feed dovetail, 23, a screw bearing, 24, a feed screw nut, 25, an embedded strip, 26, a feed screw nut and 27, a tool bit jackscrew are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the figure, the ship stern block end face slipway processing device is provided with a motor and a speed reducer 1, a
The supporting seat is clamped on the boring bar through symmetrically arranged clamping
The feed assembly comprises a feed
And an
The feed assembly comprises a feed frame, a
The tool holder holds the tool by a tool tip jackscrew 27.
The upper part of the supporting plate is provided with a
The bush and the driven gear are connected into a whole through a pin and synchronously rotate along with the driven gear.
The working principle of the invention is as follows:
the device adopts the technical scheme that a boring rod is arranged in a stern shaft hole through a supporting jackscrew on a supporting seat, the boring rod penetrates into the supporting seat and is fixed by a clamping sleeve and a bolt, a rocker arm is arranged on a bushing of the boring rod, a cutter head is arranged on the rocker arm, a speed reducing motor, a driving gear and a gear drive the boring rod, the boring rod rotates to drive the rocker arm to rotate, a cutter is arranged on a cutter rest, the machining amount of machining depth is controlled by the movement of a feed screw and a feed hand wheel on the rocker arm, and the machining amount of machining diameter is controlled by a feed screw and a feed hand wheel. A plurality of rocker arms can be arranged on the boring bar bush, and a plurality of cutters are used for simultaneous processing, so that the processing efficiency is improved.
The working process of the invention is as follows:
1. manufacturing the device:
the proper motor and reducer are selected according to requirements, the driving part of the device adopts a variable frequency motor and a cycloidal pin gear reducer, so that a 4KW frequency converter matched with the motor is required, calculating the sizes of a top supporting jackscrew, a supporting seat and a top plate and a bolt and a nut matched with the top supporting jackscrew, the sizes of the top supporting jackscrew, the supporting seat and the top plate are calculated according to the inner diameter of a processed part, selecting a proper boring rod, arranging a feed dovetail guide rail and a rotating shaft with the verticality not more than +/-30', installing a motor and a speed reducer on a supporting plate, and in order to enhance the strength of, welding a rib plate at a proper position of a supporting plate, matching the lower parts of a driving gear installation motor and a speed reducer with a driven gear embedded with a thrust ball bearing, installing the thrust ball bearing on a boring rod, then respectively installing a bushing, a rocker arm and a supporting seat on the boring rod through a locking sleeve, assembling a tool rest assembly on the rocker arm, and installing a feed lead screw and a feed hand wheel on the rocker arm for moving the tool rest assembly to move horizontally.
2. Installing the device:
penetrating a boring bar into a stern shaft hole from one end of a support base, supporting the support base on a processing surface through a bolt, a top plate, an inner hexagon bolt and a cylinder sleeve, aligning the boring bar by the center of the stern shaft hole, measuring the distance between the boring bar and the stern shaft hole by an inner micrometer, and ensuring that the center of the boring bar is superposed with the center of the stern shaft hole by adjusting a support jackscrew, wherein the deviation is less than or equal to 0.02 mm; a plurality of cutters are respectively arranged on the rocker arms at two sides, and the distance is adjusted to be used for installing the cutters; and checking whether all the components are installed and fastened or not, and connecting a power supply to the motor after all the components are installed.
3. The device is used for processing:
after the supporting seat is installed, electrifying the motor to test the operation, and checking the operation state of each part; stopping the motor to check the fastening condition of each part, rechecking the centering condition of the boring bar and the stern shaft hole, and installing the cutter on the cutter rest after confirming no problem; the tool is contacted with a machining surface through the feed screw and the feed hand wheel, the feed amount is adjusted, the motor is electrified to run, the rocker arm is driven by the motor to do rotary motion, the tool horizontally moves to machine the end surface under the action of the feed screw, the tool is contacted with the machining surface through the feed screw and the feed hand wheel to perform cutting machining, and the tool is disassembled after repeated machining until plane machining is completed.
The invention has the advantages that:
the processing device adopts the mode that the supporting seat is installed in a stern shaft hole through the supporting jackscrew, the boring bar penetrates into the supporting seat and is fixed by the fastening sleeve and the bolt, the rocker arm is installed on the bushing of the boring bar, the cutter is installed on the rocker arm, the sizes of the jacking jackscrew, the supporting seat and the jackscrew and the bolt and the nut matched with the supporting seat and used are calculated according to the inner diameter of a processing part, the proper boring bar is selected, the verticality of the dovetail guide rail and the revolving shaft is not more than +/-30', the motor and the reducer are installed on the supporting plate, therefore, the installation surface of the stern sealing device can be ensured to be vertical to the central line of a shaft system, the verticality requirement is 0.10mm/m, the verticality requirement is met, the end surface is processed under the condition of meeting the construction.
Because a plurality of rocking arms can be installed simultaneously on the bush of boring bar, can use a plurality of cutters to process simultaneously, can improve the efficiency of processing.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
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