CN204449436U - The horizontal milling attachment of a kind of housing cavity - Google Patents
The horizontal milling attachment of a kind of housing cavity Download PDFInfo
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- CN204449436U CN204449436U CN201420801861.5U CN201420801861U CN204449436U CN 204449436 U CN204449436 U CN 204449436U CN 201420801861 U CN201420801861 U CN 201420801861U CN 204449436 U CN204449436 U CN 204449436U
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Abstract
本实用新型的目的是提供了一种壳体内腔卧式铣削装置，可支撑壳体自身重力，有效增强铣削加工工艺系统刚度和稳定性，减小刀具磨损，提高产品加工精度和表面质量，且不受机床高度行程的影响，具体结构包括：底座、挡块、调节螺钉、拉杆、拉盘、中心架、中心架底座；使用时，将底座固定在立式回转工作台上，中心架及其底座固定在水平工作台上，中心架支撑拉盘，用拉杆将待加工壳体固定在底座和拉盘之间，通过挡块和调节螺钉调整底座位置与壳体同心。该装置对工件悬臂端进行支撑，有效减小振颤，增强了工艺系统的刚性和稳定性。
The purpose of the utility model is to provide a horizontal milling device for the inner cavity of the shell, which can support the gravity of the shell itself, effectively enhance the rigidity and stability of the milling process system, reduce tool wear, improve product processing accuracy and surface quality, and Not affected by the height stroke of the machine tool, the specific structure includes: base, stopper, adjusting screw, tie rod, pull plate, center frame, center frame base; when in use, fix the base on the vertical rotary table, the center frame and its The base is fixed on the horizontal workbench, the center frame supports the pulling plate, and the shell to be processed is fixed between the base and the pulling plate with a tie rod, and the position of the base and the shell are adjusted to be concentric with the stopper and the adjusting screw. The device supports the cantilever end of the workpiece, effectively reduces vibration, and enhances the rigidity and stability of the process system.
Description
技术领域technical field
本实用新型涉及一种铣削装置，更具体的说，本实用新型是一种用于壳体内腔卧式铣削装置。The utility model relates to a milling device, more specifically, the utility model is a horizontal milling device for the inner cavity of a casing.
背景技术Background technique
现阶段高度尺寸大的导弹舱段壳体进行内腔加工时常用立式铣削，主要存在以下缺点：①加工时需将刀杆探入壳体内腔，包含工装和分度盘在内，需求加工设备高度行程较大；②加工系统刚性较差，在铣加工过程中极易产生振颤，当加工钛合金等难加工材料时，刀具磨损严重；③加工精度和表面质量较差，加工较高精度工件时合格率较低。若采用卧式铣削，壳体悬臂过长，壳体自身重力会影响加工系统的刚度和稳定性，影响加工精度。At present, vertical milling is often used for machining the inner cavity of the shell of the missile cabin section with a large height and size. The height of the equipment is relatively large; ②The rigidity of the processing system is poor, and vibrations are easily generated during the milling process. When processing difficult-to-machine materials such as titanium alloys, the tool wear is serious; ③The processing accuracy and surface quality are poor, and the processing is relatively high. The pass rate is low for precision workpieces. If horizontal milling is used, the cantilever of the shell is too long, and the gravity of the shell itself will affect the rigidity and stability of the processing system and affect the machining accuracy.
实用新型内容Utility model content
本实用新型的目的是提供了一种壳体内腔卧式铣削装置，可支撑壳体自身重力，有效增强铣削加工工艺系统刚度和稳定性，减小刀具磨损，提高产品加工精度和表面质量，且不受机床高度行程的影响，具体结构如下：The purpose of this utility model is to provide a horizontal milling device for the inner cavity of the shell, which can support the gravity of the shell itself, effectively enhance the rigidity and stability of the milling process system, reduce tool wear, improve product processing accuracy and surface quality, and Not affected by the height stroke of the machine tool, the specific structure is as follows:
壳体内腔卧式铣削装置包括底座1、挡块2、调节螺钉7、拉杆3、拉盘4、中心架5、中心架底座6；The horizontal milling device for the inner cavity of the housing includes a base 1, a stopper 2, an adjustment screw 7, a tie rod 3, a pull plate 4, a center frame 5, and a center frame base 6;
底座1为台阶圆盘结构，台阶外径与壳体一端内径相配合，其盘面上预置均匀分布的通孔，通过螺栓和T型螺母将底座1通过通孔固定在立式回转工作台11上；底座盘面上预置四个互成90度的螺纹孔，与拉杆3上螺纹连接；The base 1 is a stepped disc structure, the outer diameter of the step matches the inner diameter of one end of the shell, and evenly distributed through holes are preset on the disc surface, and the base 1 is fixed on the vertical rotary table 11 through the through holes by bolts and T-nuts top; four threaded holes at 90 degrees to each other are preset on the base plate, and are threadedly connected with the pull rod 3;
挡块2有四个，为立方体结构，挡块上两组相对的面上有两组螺纹通孔且互不干涉，挡块2通过一组面上的孔和立式回转工作台11上预置螺纹孔安装在立式回转工作台上，四个挡块2成90度且均匀分布在底座1外围，调节螺钉7与另一组面上的螺纹孔配合使用，调节螺钉7顶住底座1，用于调节底座1位置；There are four stoppers 2, which are cubic structures. There are two groups of threaded through holes on the opposite faces of the stoppers and they do not interfere with each other. Install the threaded holes on the vertical rotary table, the four stoppers 2 are 90 degrees and evenly distributed on the periphery of the base 1, the adjusting screw 7 is used in conjunction with the threaded holes on the other set of surfaces, and the adjusting screw 7 withstands the base 1 , used to adjust the position of base 1;
中心架5为内环上有三个支撑点的圆环架，中心架5上三个支撑点采用滚动轴承形式，三个支撑点呈120度均匀分布，用来平衡壳体自身重力和切削力，提高结构刚性，中心架5通过螺钉固定在中心架底座6上，中心架底座6支撑中心架5，中心架底座6下部有键槽，中心架底座6通过压板固定在水平旋转工作台9上，保证中心架5与立式回转工作台11同轴心；中心架底座6与立式旋转工作台11之间距离根据所铣削的筒体的长度而定；The center frame 5 is a ring frame with three support points on the inner ring. The three support points on the center frame 5 are in the form of rolling bearings. The three support points are evenly distributed at 120 degrees to balance the gravity and cutting force of the shell itself and improve The structure is rigid, the center frame 5 is fixed on the center frame base 6 by screws, the center frame base 6 supports the center frame 5, the lower part of the center frame base 6 has a keyway, and the center frame base 6 is fixed on the horizontal rotary table 9 through a pressure plate to ensure the center The frame 5 is coaxial with the vertical rotary table 11; the distance between the center frame base 6 and the vertical rotary table 11 depends on the length of the milled cylinder;
拉杆3为两端均有螺纹的长圆杆，一端与底座1上螺纹孔连接，另一端穿过拉盘4上通孔用螺母拧紧，起到了固定壳体10的作用，并进一步的将壳体10整体压紧固定在立式回转工作台上。拉杆3数量可根据应力大小和需要增加或减少；The pull rod 3 is a long round rod with threads at both ends, one end is connected to the threaded hole on the base 1, and the other end passes through the through hole on the pull plate 4 and is tightened with a nut, which plays the role of fixing the housing 10, and further tightens the housing. 10 The whole is compressed and fixed on the vertical rotary table. The number of tie rods 3 can be increased or decreased according to the stress and needs;
拉盘4为台阶圆盘，台阶外径与壳体10另一端内径相配合，拉盘4被中心架5支撑点支撑。中心架5上端滚动轴承顶住拉盘，以减小壳体加工中向上的颤动。中心架支撑点采用滚动轴承形式，便于壳体10找正和加工时在圆周方向上转动；The pull plate 4 is a stepped disc, the outer diameter of the step matches the inner diameter of the other end of the housing 10 , and the pull plate 4 is supported by the support point of the center frame 5 . The rolling bearing at the upper end of the center frame 5 withstands the pull plate to reduce the upward vibration in the processing of the shell. The support point of the center frame is in the form of rolling bearings, which is convenient for the housing 10 to rotate in the circumferential direction during alignment and processing;
壳体10一端通过压板压紧在底座1上，另一端卡在拉盘4上，拉盘4和底座1通过拉杆3连接，使用时，按照如下步骤进行操作：One end of the shell 10 is pressed on the base 1 by a pressure plate, and the other end is stuck on the pull plate 4, and the pull plate 4 and the base 1 are connected by a pull rod 3. When in use, follow the steps below:
①安装中心架：根据立式回转工作台中心高和拉盘直径大小，定出中心架中心高和调节范围，根据中心架和立式回转工作台中心高，制出相应厚度中心架底座，保证加上中心架底座后，中心架中心高与立式旋转工作台中心高一致，用键连接中心架底座下部键槽和水平旋转工作台上键槽，把中心架底座固定在水平旋转工作台合适位置，并用压板压紧中心架底座，用螺钉把中心架固定在中心架底座上；①Install the center frame: Determine the center frame center height and adjustment range according to the center height of the vertical rotary table and the diameter of the pulling plate, and make the corresponding thickness of the center frame base according to the center height of the center frame and the vertical rotary table to ensure After the center frame base is added, the center height of the center frame is consistent with the center height of the vertical rotary table. Use a key to connect the keyway at the lower part of the center frame base and the keyway on the horizontal rotary table, and fix the center frame base at a suitable position on the horizontal rotary table. And press the base of the center frame with the pressure plate, and fix the center frame on the base of the center frame with screws;
②安装底座：挡块上制有螺纹孔，把螺钉插入螺纹孔中，通过调整螺钉，找正底座与立式旋转工作台同心并把底座固定在立式旋转工作台上；② Install the base: There is a threaded hole on the stopper, insert the screw into the threaded hole, adjust the screw, align the base with the vertical rotary table and fix the base on the vertical rotary table;
③安装壳体：把壳体一端安装到底座上，拉盘安装在壳体另一端并用中心架支撑，上拉杆将拉盘和壳体底座相对位置固定好；③Installing the shell: install one end of the shell on the base, install the pull plate on the other end of the shell and support it with the center frame, and fix the relative position of the pull plate and the shell base by the upper pull rod;
④固定中心架支撑点：通过调节中心架支撑点，找正拉盘与立式旋转工作台同心，并拧紧中心架支撑点；④ Fix the support point of the center frame: by adjusting the support point of the center frame, align the pull plate and the vertical rotary table concentrically, and tighten the support point of the center frame;
⑤固定壳体与底座连接一端：找正壳体与底座连接一端外圆与立式旋转工作台同心，并通过该端台阶将壳体压紧；⑤ Fix the end connecting the shell and the base: Align the outer circle of the end connecting the shell and the base to be concentric with the vertical rotary table, and press the shell tightly through the steps at this end;
⑥固定壳体与拉盘连接一端：找正壳体与拉盘连接一端内孔与立式旋转工作台同心，并通过该端台阶将壳体压紧；⑥Fix the end connecting the shell and the pulling plate: Align the inner hole at the end connecting the shell and the pulling plate to be concentric with the vertical rotary table, and press the shell tightly through the end step;
⑦安装内铣角度头：把内铣角度头刚性连接在机床主轴上并调试好；⑦ Install the internal milling angle head: rigidly connect the internal milling angle head to the spindle of the machine tool and debug it;
⑧找正壳体第一基准，进行铣削加工。⑧Align the first datum of the shell and carry out milling.
该装置对工件悬臂端进行支撑，有效减小振颤，增强了工艺系统的刚性和稳定性。The device supports the cantilever end of the workpiece, effectively reduces vibration, and enhances the rigidity and stability of the process system.
附图说明Description of drawings
图1为壳体卧式铣削装置工作结构示意图；Fig. 1 is a schematic diagram of the working structure of the shell horizontal milling device;
图2是挡块结构示意图；Fig. 2 is a block diagram;
图3是利用挡块找正底座与立式回转工作台同心示意图；Figure 3 is a schematic diagram of aligning the base with the vertical rotary table using a block;
图4是中心架底座示意图；Fig. 4 is a schematic diagram of a center frame base;
图5是中心架支撑拉盘示意图。Fig. 5 is a schematic diagram of the pull plate supported by the center frame.
1—底座；2—挡块；3—拉杆；4—拉盘、5—中心架；6—中心架底座；7—内铣角度头；8—卧式铣加工中心；9—水平旋转工作台；10—壳体；11—立式回转工作台。1—base; 2—block; 3—tie rod; 4—pulling plate, 5—steady frame; 6—steady frame base; 7—inner milling angle head; 8—horizontal milling center; 9—horizontal rotary table ; 10—shell; 11—vertical rotary table.
具体实施方式Detailed ways
下面通过实例对本实用新型做进一步的说明，但是需要注意的是，公布实例的目的在于帮助进一步理解本实用新型，但是本领域的技术人员可以理解：在不脱离本实用新型及所附的权利要求的精神和范围内，各种替换和修改都是可能的。因此，本发明不应局限于实例所公开的内容，本实用新型要求保护的范围以权利要求书界定的范围为准。The utility model is further described by examples below, but it should be noted that the purpose of publishing examples is to help further understand the utility model, but those skilled in the art can understand: without departing from the utility model and the appended claims Various alternatives and modifications are possible within the spirit and scope of . Therefore, the present invention should not be limited to the content disclosed in the examples, and the protection scope of the utility model should be determined by the scope defined in the claims.
本实用新型的目的是提供了一种用于高度尺寸大壳体内腔卧式铣削装置，可支撑壳体自身重力，有效增强铣削加工工艺系统刚度和稳定性，减小刀具磨损，提高产品加工精度和表面质量，且不受机床高度行程的影响，具体结构如下：The purpose of this utility model is to provide a horizontal milling device for the inner cavity of a large shell, which can support the gravity of the shell itself, effectively enhance the rigidity and stability of the milling process system, reduce tool wear, and improve product processing accuracy and surface quality, and is not affected by the height stroke of the machine tool, the specific structure is as follows:
壳体内腔卧式铣削装置包括底座1、挡块2、调节螺钉7、拉杆3、拉盘4、中心架5、中心架底座6。The housing cavity horizontal milling device includes a base 1 , a stopper 2 , an adjusting screw 7 , a tie rod 3 , a pull plate 4 , a center frame 5 , and a center frame base 6 .
底座1为台阶圆盘结构，台阶外径与壳体一端内径相配合，其盘面上预置均匀分布的通孔，通过螺栓和T型螺母将底座1通过通孔固定在立式回转工作台11上；底座盘面上预置四个互成90度的螺纹孔，与拉杆3上螺纹连接。The base 1 is a stepped disc structure, the outer diameter of the step matches the inner diameter of one end of the shell, and evenly distributed through holes are preset on the disc surface, and the base 1 is fixed on the vertical rotary table 11 through the through holes by bolts and T-nuts top; four threaded holes at 90 degrees to each other are preset on the surface of the base plate, and are threadedly connected with the pull rod 3 .
挡块2有四个，为立方体结构，挡块上两组相对的面上有两组螺纹通孔且互不干涉，挡块2通过一组面上的孔和立式回转工作台11上预置螺纹孔安装在立式回转工作台上，四个挡块2成90度且均匀分布在底座1外围，调节螺钉7与另一组面上的螺纹孔配合使用，调节螺钉7顶住底座1，用于调节底座1位置。There are four stoppers 2, which are cubic structures. There are two groups of threaded through holes on the opposite faces of the stoppers and they do not interfere with each other. Install the threaded holes on the vertical rotary table, the four stoppers 2 are 90 degrees and evenly distributed on the periphery of the base 1, the adjusting screw 7 is used in conjunction with the threaded holes on the other set of surfaces, and the adjusting screw 7 withstands the base 1 , used to adjust the position of base 1.
中心架5为内环上有三个支撑点的圆环架，中心架5上三个支撑点采用滚动轴承形式，三个支撑点呈120度均匀分布，用来平衡壳体自身重力和切削力，提高结构刚性，中心架5通过螺钉固定在中心架底座6上，中心架底座6支撑中心架5，中心架底座6下部有键槽，中心架底座6通过压板固定在水平旋转工作台9上，保证中心架5与立式回转工作台11同轴心；中心架底座6与立式旋转工作台11之间距离根据所铣削的筒体的长度而定。拉杆3有4个，为两端均有螺纹的长圆杆，一端与底座1上螺纹孔连接，另一端穿过拉盘4上通孔用螺母拧紧，起到了固定壳体10的作用，并进一步的将壳体10整体压紧固定在立式回转工作台上。The center frame 5 is a ring frame with three support points on the inner ring. The three support points on the center frame 5 are in the form of rolling bearings. The three support points are evenly distributed at 120 degrees to balance the gravity and cutting force of the shell itself and improve The structure is rigid, the center frame 5 is fixed on the center frame base 6 by screws, the center frame base 6 supports the center frame 5, there is a keyway in the lower part of the center frame base 6, and the center frame base 6 is fixed on the horizontal rotary table 9 through a pressure plate to ensure the center The frame 5 is coaxial with the vertical rotary table 11; the distance between the center frame base 6 and the vertical rotary table 11 is determined according to the length of the milled cylinder. There are four pull rods 3, which are oblong rods with threads at both ends, one end is connected with the threaded hole on the base 1, and the other end passes through the through hole on the pull plate 4 and is tightened with a nut, which plays the role of fixing the housing 10, and further The housing 10 is pressed and fixed as a whole on the vertical rotary table.
拉盘4为台阶圆盘，台阶外径与壳体10另一端内径相配合，拉盘4被中心架5支撑点支撑。中心架5上端滚动轴承顶住拉盘，以减小壳体加工中向上的颤动。中心架支撑点采用滚动轴承形式，便于壳体10找正和加工时在圆周方向上转动。The pull plate 4 is a stepped disc, the outer diameter of the step matches the inner diameter of the other end of the housing 10 , and the pull plate 4 is supported by the support point of the center frame 5 . The rolling bearing at the upper end of the center frame 5 withstands the pull plate to reduce the upward vibration in the processing of the shell. The support point of the center frame is in the form of a rolling bearing, which is convenient for the housing 10 to rotate in the circumferential direction during alignment and processing.
壳体10一端通过压板压紧在底座1上，另一端卡在拉盘4上，拉盘4和底座1通过拉杆3连接，使用时，按照如下步骤进行操作：One end of the shell 10 is pressed on the base 1 by a pressure plate, and the other end is stuck on the pull plate 4, and the pull plate 4 and the base 1 are connected by a pull rod 3. When in use, follow the steps below:
①安装中心架：根据立式回转工作台中心高和拉盘直径大小，定出中心架中心高和调节范围，根据中心架和立式回转工作台中心高，制出相应厚度中心架底座，保证加上中心架底座后，中心架中心高与立式旋转工作台中心高一致，用键连接中心架底座下部键槽和水平旋转工作台上键槽，把中心架底座固定在水平旋转工作台合适位置，并用压板压紧中心架底座，用螺钉把中心架固定在中心架底座上；①Install the center frame: Determine the center frame center height and adjustment range according to the center height of the vertical rotary table and the diameter of the pulling plate, and make the corresponding thickness of the center frame base according to the center height of the center frame and the vertical rotary table to ensure After the center frame base is added, the center height of the center frame is consistent with the center height of the vertical rotary table. Use a key to connect the keyway at the lower part of the center frame base and the keyway on the horizontal rotary table, and fix the center frame base at a suitable position on the horizontal rotary table. And press the base of the center frame with the pressure plate, and fix the center frame on the base of the center frame with screws;
②安装底座：挡块上制有螺纹孔，把螺钉插入螺纹孔中，通过调整螺钉，找正底座与立式旋转工作台同心并把底座固定在立式旋转工作台上；② Install the base: There is a threaded hole on the stopper, insert the screw into the threaded hole, adjust the screw, align the base with the vertical rotary table and fix the base on the vertical rotary table;
③安装壳体：把壳体一端安装到底座上，拉盘安装在壳体另一端并用中心架支撑，上拉杆将拉盘和壳体底座相对位置固定好；③Installing the shell: install one end of the shell on the base, install the pull plate on the other end of the shell and support it with the center frame, and fix the relative position of the pull plate and the shell base by the upper pull rod;
④固定中心架支撑点：通过调节中心架支撑点，找正拉盘与立式旋转工作台同心，并拧紧中心架支撑点；④ Fix the support point of the center frame: by adjusting the support point of the center frame, align the pull plate and the vertical rotary table concentrically, and tighten the support point of the center frame;
⑤固定壳体与底座连接一端：找正壳体与底座连接一端外圆与立式旋转工作台同心，并通过该端台阶将壳体压紧；⑤ Fix the end connecting the shell and the base: Align the outer circle of the end connecting the shell and the base to be concentric with the vertical rotary table, and press the shell tightly through the steps at this end;
⑥固定壳体与拉盘连接一端：找正壳体与拉盘连接一端内孔与立式旋转工作台同心，并通过该端台阶将壳体压紧；⑥Fix the end connecting the shell and the pulling plate: Align the inner hole at the end connecting the shell and the pulling plate to be concentric with the vertical rotary table, and press the shell tightly through the end steps;
⑦安装内铣角度头：把内铣角度头刚性连接在机床主轴上并调试好；⑦ Install the internal milling angle head: rigidly connect the internal milling angle head to the spindle of the machine tool and debug it;
⑧找正壳体第一基准，进行铣削加工。⑧Align the first datum of the shell and carry out milling.
该装置对工件悬臂端进行支撑，有效减小振颤，增强了工艺系统的刚性和稳定性。The device supports the cantilever end of the workpiece, effectively reduces vibration, and enhances the rigidity and stability of the process system.
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| CN107088672A (en) * | 2017-05-03 | 2017-08-25 | 哈尔滨电气动力装备有限公司 | The processing technology in the outer mozzle locking plate hole of nuclear power station axle envelope main pump |
| CN109702253A (en) * | 2019-02-26 | 2019-05-03 | 山东大学 | Anti-vibration horizontal face milling system and method |
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| CN115722956A (en) * | 2022-11-30 | 2023-03-03 | 北京星航机电装备有限公司 | Machining device and machining method for hollow part |
| CN115740636A (en) * | 2022-11-30 | 2023-03-07 | 北京星航机电装备有限公司 | Machining die and machining method for hollow part |
| CN115740635A (en) * | 2022-11-30 | 2023-03-07 | 北京星航机电装备有限公司 | Method for machining hollow part |
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| CN107088672A (en) * | 2017-05-03 | 2017-08-25 | 哈尔滨电气动力装备有限公司 | The processing technology in the outer mozzle locking plate hole of nuclear power station axle envelope main pump |
| CN107088672B (en) * | 2017-05-03 | 2018-11-27 | 哈尔滨电气动力装备有限公司 | The processing technology in the outer diversion pipe locking plate hole of nuclear power station axle envelope main pump |
| CN109702253A (en) * | 2019-02-26 | 2019-05-03 | 山东大学 | Anti-vibration horizontal face milling system and method |
| CN114799755A (en) * | 2022-04-29 | 2022-07-29 | 沈阳透平机械股份有限公司 | Boring machine processing horizontal subdivision compressor shell abdominal cavity positioning method |
| CN114799755B (en) * | 2022-04-29 | 2023-08-04 | 沈阳透平机械股份有限公司 | Method for machining abdominal cavity of horizontal split compressor shell by boring machine |
| CN115722956A (en) * | 2022-11-30 | 2023-03-03 | 北京星航机电装备有限公司 | Machining device and machining method for hollow part |
| CN115740636A (en) * | 2022-11-30 | 2023-03-07 | 北京星航机电装备有限公司 | Machining die and machining method for hollow part |
| CN115740635A (en) * | 2022-11-30 | 2023-03-07 | 北京星航机电装备有限公司 | Method for machining hollow part |
| CN115740636B (en) * | 2022-11-30 | 2025-10-21 | 北京星航机电装备有限公司 | A processing mold and processing method for hollow parts |
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