CN216730710U - A workpiece fixture for machining - Google Patents

A workpiece fixture for machining Download PDF

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Publication number
CN216730710U
CN216730710U CN202123428512.2U CN202123428512U CN216730710U CN 216730710 U CN216730710 U CN 216730710U CN 202123428512 U CN202123428512 U CN 202123428512U CN 216730710 U CN216730710 U CN 216730710U
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sliding
threaded rod
connecting block
workpiece
guide rail
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CN202123428512.2U
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Chinese (zh)
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王赟
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Liaoning Institute of Science and Technology
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Liaoning Institute of Science and Technology
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Abstract

The utility model relates to the technical field of machining, in particular to a workpiece clamp for machining, which comprises a base, an object placing table, a guide rail, a sliding table, a chuck, a connecting block, a threaded rod and a sliding rod, wherein the object placing table is arranged on the base; wherein put thing platform fixed mounting at the middle part of base, the guide rail has two, two guide rails are all installed on the base and are respectively putting the both sides of thing platform, but the sliding stand has two and slidable mounting respectively on the guide rail, the chuck is all installed to the top surface of each sliding stand, it is equipped with the screw hole to put the thing platform, the connecting block sets up the side of putting the thing platform, the screw rod head is rotatory in the screw hole, the threaded rod afterbody is the light section, the threaded rod passes through afterbody light section rotatable mounting in the connecting block, the slide bar has two and installs the both sides at the connecting block respectively, the sliding stand is equipped with the through-hole, the slide bar cartridge is in the through-hole, and with through-hole sliding fit. The utility model does not occupy the space of the chuck in the moving direction; the sight can not be blocked, and the effect of clamping the workpiece can be better realized.

Description

一种机械加工使用的工件夹具A workpiece fixture for machining

技术领域technical field

本实用新型涉及机械加工技术领域,具体领域为一种机械加工使用的工件夹具。The utility model relates to the technical field of machining, in particular to a workpiece fixture used for machining.

背景技术Background technique

机械加工是指通过一种机械设备对工件的外形尺寸或性能进行改变的过程,在机械加工制造业中,夹具起着非常重要的作用,夹具是指机械制造过程中用来固定加工对象,使之占有正确的位置,以接受施工或检测的装置,又称卡具。工件在生产加工时,需要对其进行定位固定,以便于对工件进行加工,并确保工件相对机床、刀具等始终处于正确的位置,保证工件的质量。从广义上说,在工艺过程中的任何工序,用来迅速、方便、安全地安装工件的装置,都可称为夹具。Machining refers to the process of changing the size or performance of the workpiece through a mechanical device. In the machining and manufacturing industry, the fixture plays a very important role. A device that occupies the correct position to accept construction or inspection, also known as a fixture. When the workpiece is in production and processing, it needs to be positioned and fixed to facilitate the processing of the workpiece, and to ensure that the workpiece is always in the correct position relative to the machine tool, tool, etc., to ensure the quality of the workpiece. In a broad sense, any process in the process, the device used to quickly, easily and safely install the workpiece can be called a fixture.

经大量调研后发现,现有的工件夹具很多都将控制工件夹具运动的动力装置安装在夹头的移动方向上,这样会占用夹头移动方向上的空间,导致这些地方不能安装其他机构,并且在操作者使用夹具夹紧工件时,视线会被夹头挡住不方便观察。After a lot of research, it is found that many of the existing workpiece fixtures install the power device that controls the movement of the workpiece fixture in the moving direction of the chuck, which will occupy the space in the moving direction of the chuck, so that other mechanisms cannot be installed in these places, and When the operator uses the fixture to clamp the workpiece, the sight will be blocked by the chuck and it is not convenient to observe.

实用新型内容Utility model content

本实用新型的目的在于提供一种机械加工使用的工件夹具,用来解决工件夹具会占用夹头移动方向上的空间,以及视线会被夹头挡住不方便观察的问题。The purpose of the utility model is to provide a workpiece fixture for machining, which is used to solve the problems that the workpiece fixture occupies space in the moving direction of the chuck, and the sight is blocked by the chuck, which is inconvenient for observation.

为实现上述目的,本实用新型采用的技术方案是:一种机械加工使用的工件夹具,包括底座、置物台、导轨、滑动台、夹头、连接块、螺纹杆和滑动杆;其中所述置物台固定安装在所述底座的中部,所述导轨有两个,两个所述导轨均安装在所述底座上且分别在所述置物台的两侧,两个所述导轨互相平行且向X方向延伸,所述滑动台有两个且分别可滑动安装在所述导轨上,每一所述滑动台的顶面均安装夹头,两个所述夹头的相对一侧开设有用于夹持所述杆状工件端部曲面的V形缺口,所述置物台设有螺纹孔,所述螺纹孔的开口方向为Y方向且水平贯穿所述置物台,所述Y方向与所述X方向在水平面内互相垂直;所述连接块设置在所述置物台的侧面,所述螺纹杆头部旋转在螺纹孔中,所述螺纹杆尾部为光段,所述螺纹杆通过尾部光段可转动安装在所述连接块中,所述滑动杆有两个且分别安装在所述连接块的两侧,所述滑动台设有通孔,所述滑动杆插装在所述通孔中,且与所述通孔滑动配合,所述螺纹杆和所述滑动杆的垂向投影之间的夹角为锐角;当所述螺纹杆旋转时,所述连接块朝向所述置物台移动并带动所述滑动杆驱动两个所述滑动台对向移动,以使所述夹头上的所述V形缺口夹持工件。In order to achieve the above purpose, the technical scheme adopted by the present invention is: a workpiece fixture used for machining, including a base, a storage table, a guide rail, a sliding table, a chuck, a connecting block, a threaded rod and a sliding rod; The table is fixedly installed in the middle of the base, and there are two guide rails. The two guide rails are both installed on the base and are respectively on both sides of the storage table. The two guide rails are parallel to each other and face X. Extending in the direction of the sliding table, there are two sliding tables and they can be slidably installed on the guide rails. A chuck is installed on the top surface of each sliding table, and the opposite sides of the two chucks are provided for clamping The V-shaped notch of the curved surface of the end of the rod-shaped workpiece, the object table is provided with a threaded hole, the opening direction of the threaded hole is the Y direction and horizontally penetrates the object table, and the Y direction and the X direction are in the same direction. The horizontal planes are perpendicular to each other; the connecting block is arranged on the side of the object table, the head of the threaded rod rotates in the threaded hole, the tail of the threaded rod is an optical segment, and the threaded rod can be rotatably installed through the optical segment at the tail In the connecting block, there are two sliding rods installed on both sides of the connecting block respectively, the sliding table is provided with a through hole, the sliding rod is inserted in the through hole, and is connected with the through hole. The through hole is slidingly matched, and the included angle between the threaded rod and the vertical projection of the sliding rod is an acute angle; when the threaded rod rotates, the connecting block moves toward the storage table and drives the The sliding rod drives the two sliding tables to move oppositely, so that the V-shaped notch on the collet clamps the workpiece.

优选的,每一所述滑动台的下表面均设有凹槽,所述凹槽方向为X方向且水平贯穿所述滑动台,所述凹槽的截面形状与所述导轨的截面形状相匹配,所述导轨嵌入所述凹槽中。Preferably, the lower surface of each sliding table is provided with a groove, the direction of the groove is the X direction and runs through the sliding table horizontally, and the cross-sectional shape of the groove matches the cross-sectional shape of the guide rail. , the guide rail is embedded in the groove.

优选的,所述导轨在X方向上的长度大于所述凹槽在X方向上的长度。Preferably, the length of the guide rail in the X direction is greater than the length of the groove in the X direction.

优选的,每一所述滑动台的下表面均设有若干滑轮,若干所述滑轮的底部与所述底座接触。Preferably, the lower surface of each sliding table is provided with a plurality of pulleys, and the bottoms of the plurality of pulleys are in contact with the base.

优选的,所述螺纹杆的尾部光段穿过所述连接块,且与电机的输出端固定连接。Preferably, the tail light segment of the threaded rod passes through the connection block and is fixedly connected with the output end of the motor.

优选的,所述电机的输出端设有扭力传感器。Preferably, the output end of the motor is provided with a torque sensor.

使用本实用新型的有益效果是:The beneficial effects of using the utility model are:

本实用新型中螺纹杆的运动方向与夹头的移动方向垂直,不占用夹头的移动方向上的空间;操作者可以在加紧工件时可以直接看到工件,视线不会被夹头挡住;本实用新型具有自锁性,能更好的实现夹紧工件的效果。In the utility model, the moving direction of the threaded rod is perpendicular to the moving direction of the collet, and does not occupy the space in the moving direction of the collet; the operator can directly see the workpiece when tightening the workpiece, and the sight will not be blocked by the collet; The utility model has self-locking properties and can better realize the effect of clamping the workpiece.

附图说明Description of drawings

图1为本实用新型的轴测结构示意图;Fig. 1 is the axonometric structure schematic diagram of the utility model;

图2为本实用新型的主视结构示意图;Fig. 2 is the front view structure schematic diagram of the utility model;

图3为本实用新型的后视结构示意图;Fig. 3 is the rear view structure schematic diagram of the utility model;

图4为本实用新型的左视结构示意图;Fig. 4 is the left side view structure schematic diagram of the utility model;

图5为本实用新型的顶视结构示意图。Fig. 5 is the top view structure schematic diagram of the utility model.

附图标记包括:Reference numerals include:

1-底座、2-置物台、21-螺纹孔、3-导轨、4-滑动台、41-通孔、42-凹槽、43-滑轮、5-夹头、51-V形缺口、6-连接块、7-螺纹杆、8-滑动杆、9-电机、10-扭力传感器。1-Base, 2-Stand, 21-Threaded hole, 3-Guide rail, 4-Sliding table, 41-Through hole, 42-Groove, 43-Pulley, 5-Clamp, 51-V-shaped notch, 6- Connection block, 7-threaded rod, 8-slide rod, 9-motor, 10-torque sensor.

具体实施方式Detailed ways

为使本技术方案的目的、技术方案和优点更加清楚明了,下面结合具体实施方式,对本技术方案进一步详细说明。应该理解,这些描述只是示例性的,而不是要限制本技术方案的范围。In order to make the purpose, technical solution and advantages of the technical solution more clear, the technical solution will be further described in detail below with reference to the specific embodiments. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the technical solution.

请参阅图1-5,本实用新型提供一种技术方案:一种机械加工使用的工件夹具,包括底座1、置物台2、导轨3、滑动台4、夹头5、连接块6、螺纹杆7和滑动杆8;其中置物台2固定安装在底座1的中部,需要加工的工件最先放在置物台2的上表面,导轨3有两个,两个导轨3均安装在底座1上且分别在置物台2的两侧,两个导轨3互相平行且向X方向延伸,滑动台4有两个且分别可滑动安装在导轨3上,每一滑动台4的顶面均安装夹头5,两个夹头5的相对一侧开设有用于夹持杆状工件端部曲面的V形缺口51,V形缺口51在转折处还设有上下贯通的方形槽,置物台2设有螺纹孔21,螺纹孔21的开口方向为Y方向且水平贯穿置物台2,Y方向与X方向在水平面内互相垂直;连接块6设置在置物台2的侧面,螺纹杆7头部旋转在螺纹孔21中,螺纹杆7尾部为光段,螺纹杆7通过尾部光段可转动安装在连接块6中,滑动杆8有两个且分别安装在连接块6的两侧,滑动台4设有通孔41,滑动杆8插装在通孔41中,且与通孔41滑动配合,螺纹杆7和滑动杆8的垂向投影之间的夹角为锐角;当螺纹杆7旋转时,连接块6朝向置物台2移动并带动滑动杆8驱动两个滑动台4对向移动,以使夹头5上的V形缺口51夹持工件。当螺纹杆7反向旋转时,连接块6远离置物台2移动并带动滑动杆8驱动两个滑动台4互相远离,以使夹头5松开工件。由于螺纹杆7的移动方向与夹头5的移动方向垂直,本实用新型具有自锁性。1-5, the present utility model provides a technical solution: a workpiece fixture for machining, comprising a base 1, an object table 2, a guide rail 3, a sliding table 4, a collet 5, a connecting block 6, and a threaded rod 7 and sliding rod 8; wherein the object table 2 is fixedly installed in the middle of the base 1, the workpiece to be processed is first placed on the upper surface of the object table 2, there are two guide rails 3, and the two guide rails 3 are installed on the base 1 and On both sides of the storage table 2, two guide rails 3 are parallel to each other and extend in the X direction. There are two sliding tables 4 and they can be slidably installed on the guide rails 3. The top surface of each sliding table 4 is equipped with a chuck 5. , the opposite sides of the two chucks 5 are provided with a V-shaped notch 51 for clamping the curved surface of the end of the rod-shaped workpiece, and the V-shaped notch 51 is also provided with a square groove that penetrates up and down at the turning point, and the storage table 2 is provided with threaded holes 21. The opening direction of the threaded hole 21 is the Y direction and horizontally penetrates the object table 2. The Y direction and the X direction are perpendicular to each other in the horizontal plane; Among them, the tail of the threaded rod 7 is an optical segment, the threaded rod 7 can be rotatably installed in the connecting block 6 through the tail optical segment, there are two sliding rods 8 and are respectively installed on both sides of the connecting block 6, and the sliding table 4 is provided with a through hole 41. The sliding rod 8 is inserted into the through hole 41 and is slidably matched with the through hole 41. The angle between the vertical projection of the threaded rod 7 and the sliding rod 8 is an acute angle; when the threaded rod 7 rotates, the connecting block 6 Move toward the object table 2 and drive the sliding rod 8 to drive the two sliding tables 4 to move in opposite directions, so that the V-shaped notch 51 on the collet 5 clamps the workpiece. When the threaded rod 7 rotates in the opposite direction, the connecting block 6 moves away from the storage table 2 and drives the sliding rod 8 to drive the two sliding tables 4 away from each other, so that the chuck 5 releases the workpiece. Since the moving direction of the threaded rod 7 is perpendicular to the moving direction of the collet 5, the present invention has self-locking properties.

具体而言,每一滑动台4的下表面均设有凹槽42,凹槽42方向为X方向且水平贯穿滑动台4,凹槽42的截面形状与导轨3的截面形状相匹配,导轨3嵌入凹槽42中。导轨3嵌入凹槽42中与凹槽42的内表面滑动配合,凹槽42可以限制滑动台4始终在X方向上的移动。其中凹槽42的截面形状可以有很多种,不局限于本实施例中的矩形。Specifically, the lower surface of each sliding table 4 is provided with a groove 42, the direction of the groove 42 is the X direction and horizontally penetrates the sliding table 4, and the cross-sectional shape of the groove 42 matches the cross-sectional shape of the guide rail 3. The guide rail 3 embedded in the groove 42 . The guide rails 3 are embedded in the grooves 42 to slide in cooperation with the inner surface of the grooves 42 , and the grooves 42 can limit the movement of the sliding table 4 in the X direction all the time. The cross-sectional shape of the groove 42 can be various, and is not limited to the rectangle in this embodiment.

具体而言,导轨3在X方向上的长度大于凹槽42在X方向上的长度,,这样可以保证滑动台4和夹头5在移动的过程中能够始终受到导轨3的限制,不会脱离导轨3。Specifically, the length of the guide rail 3 in the X direction is greater than the length of the groove 42 in the X direction, so as to ensure that the sliding table 4 and the chuck 5 can always be restricted by the guide rail 3 during the movement process and will not be separated from the Rail 3.

具体而言,每一滑动台4的下表面均设有若干滑轮43,若干滑轮43的底部与底座1接触,滚轮43会减小滑动台4在移动过程中的摩擦力,并且会分担滑动台4对导轨3的压力,减少滑动台4与导轨3之间的摩擦损耗。Specifically, a plurality of pulleys 43 are provided on the lower surface of each sliding table 4, and the bottoms of the plurality of pulleys 43 are in contact with the base 1. The rollers 43 will reduce the frictional force of the sliding table 4 during the moving process, and will share the sliding table 4. 4. The pressure on the guide rail 3 reduces the friction loss between the sliding table 4 and the guide rail 3.

具体而言,螺纹杆7的尾部光段穿过连接块6,且与电机9的输出端固定连接,电机9能够提供驱使螺纹杆7旋转的动力。Specifically, the tail optical segment of the threaded rod 7 passes through the connection block 6 and is fixedly connected to the output end of the motor 9, and the motor 9 can provide the power to drive the threaded rod 7 to rotate.

具体而言,电机9的输出端设有扭力传感器10,扭力传感器10可以感知夹头5在夹紧工件后传导到电机9输出端的力的大小,用来判断电机9是否应该停止转动,防止在加紧工件后电机9继续工作,造成工件夹具的损坏。Specifically, the output end of the motor 9 is provided with a torque sensor 10. The torque sensor 10 can sense the magnitude of the force transmitted by the chuck 5 to the output end of the motor 9 after clamping the workpiece, so as to judge whether the motor 9 should stop rotating to prevent the After the workpiece is tightened, the motor 9 continues to work, causing damage to the workpiece fixture.

工作原理:将需要加工的杆状工件放在置物台2的上表面,开启电机9正转,带动螺纹杆7正转,连接块6朝向置物台2移动并带动滑动杆8驱动两个滑动台4对向移动,以使夹头5上的V形缺口51夹持工件。当螺纹杆7反向旋转时,连接块6远离置物台2移动并带动滑动杆8驱动两个滑动台4互相远离,以使夹头5松开工件。Working principle: place the rod-shaped workpiece to be processed on the upper surface of the object table 2, turn on the motor 9 to rotate forward, drive the threaded rod 7 to rotate forward, the connecting block 6 moves toward the object table 2 and drives the sliding rod 8 to drive the two sliding tables 4. Move in opposite directions so that the V-shaped notch 51 on the collet 5 clamps the workpiece. When the threaded rod 7 rotates in the opposite direction, the connecting block 6 moves away from the storage table 2 and drives the sliding rod 8 to drive the two sliding tables 4 away from each other, so that the chuck 5 releases the workpiece.

以上内容仅为本实用新型的较佳实施例,对于本领域的普通技术人员,依据本技术内容的思想,在具体实施方式及应用范围上可以作出许多变化,只要这些变化未脱离本实用新型的构思,均属于本专利的保护范围。The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the technical content, many changes can be made in the specific implementation and application scope, as long as these changes do not depart from the present invention. All ideas belong to the protection scope of this patent.

Claims (6)

1. The utility model provides a work piece holder that machining used for the centre gripping both ends are the shaft-like work piece of curved surface, its characterized in that: comprises a base (1), an object placing table (2), a guide rail (3), a sliding table (4), a chuck (5), a connecting block (6), a threaded rod (7) and a sliding rod (8); the article placing table (2) is fixedly installed in the middle of the base (1), two guide rails (3) are arranged, the two guide rails (3) are installed on the base (1) and are respectively arranged on two sides of the article placing table (2), the two guide rails (3) are parallel to each other and extend towards the X direction, the two sliding tables (4) are respectively installed on the guide rails (3) in a sliding mode, a chuck (5) is installed on the top surface of each sliding table (4), a V-shaped notch (51) used for clamping the curved surface of the end portion of the rod-shaped workpiece is formed in one side, opposite to the two chucks (5), of each sliding table, a threaded hole (21) is formed in each article placing table (2), the opening direction of each threaded hole (21) is the Y direction and horizontally penetrates through the article placing table (2), and the Y direction and the X direction are perpendicular to each other in the horizontal plane;
the connecting block (6) is arranged on the side face of the object placing table (2), the head of the threaded rod (7) rotates in a threaded hole (21), the tail of the threaded rod (7) is a light section, the threaded rod (7) is rotatably installed in the connecting block (6) through the tail light section, two sliding rods (8) are arranged on two sides of the connecting block (6) respectively, a through hole (41) is formed in the sliding table (4), the sliding rods (8) are inserted in the through holes (41) and are in sliding fit with the through holes (41), and an included angle formed by vertical projections of the threaded rod (7) and the sliding rods (8) is an acute angle;
when the threaded rod (7) rotates, the connecting block (6) moves towards the object placing table (2) and drives the sliding rod (8) to drive the two sliding tables (4) to move oppositely, so that the V-shaped notch (51) on the chuck (5) clamps a workpiece.
2. A workpiece holder for use in machining according to claim 1, characterised in that: each the lower surface of sliding table (4) all is equipped with recess (42), recess (42) direction is X direction and the level runs through sliding table (4), the cross sectional shape of recess (42) with the cross sectional shape phase-match of guide rail (3), guide rail (3) embedding in recess (42).
3. A workpiece holder for machining use according to claim 2, characterised in that: the length of the guide rail (3) in the X direction is greater than the length of the groove (42) in the X direction.
4. A workpiece holder for use in machining according to claim 1, characterised in that: each lower surface of sliding table (4) all is equipped with a plurality of pulleys (43), a plurality of the bottom of pulley (43) with base (1) contact.
5. A workpiece holder for use in machining according to claim 1, characterised in that: the tail light section of the threaded rod (7) penetrates through the connecting block (6) and is fixedly connected with the output end of the motor (9).
6. A workpiece holder for use in machining according to claim 5, characterised in that: and a torque sensor (10) is arranged at the output end of the motor (9).
CN202123428512.2U 2021-12-31 2021-12-31 A workpiece fixture for machining Expired - Fee Related CN216730710U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119260433A (en) * 2024-12-06 2025-01-07 长沙湘瑞重工有限公司 A kind of automatic adjustment and positioning milling machine workpiece fixture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119260433A (en) * 2024-12-06 2025-01-07 长沙湘瑞重工有限公司 A kind of automatic adjustment and positioning milling machine workpiece fixture
CN119260433B (en) * 2024-12-06 2025-03-21 长沙湘瑞重工有限公司 A kind of automatic adjustment and positioning milling machine workpiece fixture

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