CN119566879B - A positioning adjustment device and a five-axis machine tool having the positioning adjustment device - Google Patents
A positioning adjustment device and a five-axis machine tool having the positioning adjustment deviceInfo
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- CN119566879B CN119566879B CN202411888794.XA CN202411888794A CN119566879B CN 119566879 B CN119566879 B CN 119566879B CN 202411888794 A CN202411888794 A CN 202411888794A CN 119566879 B CN119566879 B CN 119566879B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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Abstract
本发明涉及五轴机床领域，具体涉及一种定位调整装置及具有该定位调整装置的五轴机床，该定位调整装置包括安装盘，所述安装盘的顶部固定连接有圆形框；所述圆形框内圆周等距设置有多个柔性夹持组件；所述柔性夹持组件包括移动板，所述移动板滑动连接在圆形框内底壁上；所述移动板上转动连接有方形框，所述方形框顶部设有条形槽，所述条形槽内固定连接有滑杆，所述滑杆上滑动套设有滑动块，所述滑杆两侧活动套设有第一弹簧；所述滑动块顶部转动连接的摇臂，所述摇臂一端转动连接在移动板上；所述方形框上固定连接有支撑杆。本发明可以根据工件进行自适应调整，确保夹持的稳定性，适应不同形状和尺寸的工件，提高了通用性和灵活性。
This invention relates to the field of five-axis machine tools, specifically to a positioning and adjustment device and a five-axis machine tool having the same device. The positioning and adjustment device includes a mounting plate, with a circular frame fixedly connected to the top of the mounting plate. Multiple flexible clamping components are equidistantly arranged around the circumference of the circular frame. Each flexible clamping component includes a movable plate slidably connected to the bottom wall of the circular frame. A square frame is rotatably connected to the movable plate, with a strip groove at the top of the square frame. A sliding rod is fixedly connected within the strip groove, and a sliding block is slidably fitted onto the sliding rod. First springs are movably fitted on both sides of the sliding rod. A rocker arm is rotatably connected to the top of the sliding block, with one end of the rocker arm rotatably connected to the movable plate. A support rod is fixedly connected to the square frame. This invention allows for adaptive adjustment based on the workpiece, ensuring clamping stability, adapting to workpieces of different shapes and sizes, and improving versatility and flexibility.
Description
Technical Field
The invention relates to the technical field of five-axis machine tools, in particular to a positioning adjusting device and a five-axis machine tool with the positioning adjusting device.
Background
The five-axis machine tool is high-precision and high-efficiency processing equipment, can realize the processing of complex curved surfaces and any angle in a three-dimensional space through the cooperative motion of five axes, has wide application in the fields of high-end manufacturing industries such as aerospace, automobile manufacturing, mould manufacturing and the like, and can greatly improve the processing precision and the production efficiency.
In the machining process of a five-axis machine tool, the workpiece needs to be accurately positioned and fixed in order to ensure the position stability of the workpiece. However, when the existing positioning adjustment device is used for dealing with irregular workpieces, obvious limitations exist, and due to the fact that the shapes and the sizes of the irregular workpieces are different, the traditional rigid clamping mechanism is difficult to stably clamp the irregular workpieces, so that the position of the workpieces in the machining process is offset, the machining effect is affected, and the workpieces are damaged.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that in the prior art, the conventional rigid clamping mechanism is difficult to realize stable clamping of irregular workpieces due to different shapes and sizes, the position of the workpieces in the machining process is offset, the machining effect is affected and the workpieces are damaged, so that the positioning and adjusting device and the five-axis machine tool with the positioning and adjusting device are provided.
In order to solve the technical problems, the invention provides a positioning and adjusting device, which comprises a mounting plate, wherein the top of the mounting plate is fixedly connected with a circular frame;
a plurality of flexible clamping assemblies are arranged on the inner circumference of the circular frame at equal intervals;
The flexible clamping assembly comprises a moving plate which is connected to the inner bottom wall of the circular frame in a sliding manner;
The movable plate is rotationally connected with a square frame, a bar-shaped groove is formed in the top of the square frame, a sliding rod is fixedly connected in the bar-shaped groove, a sliding block is sleeved on the sliding rod in a sliding manner, and first springs are movably sleeved on two sides of the sliding rod;
The top of the sliding block is rotationally connected with a rocker arm, and one end of the rocker arm is rotationally connected with the moving plate;
a supporting rod is fixedly connected to the square frame, one end of the supporting rod is fixedly connected with a fixed block, and a plurality of flexible fingers are fixed on the fixed block;
the tail end of the moving plate is rotatably connected with a threaded rod, one end of the threaded rod penetrates through a threaded hole of the round frame to extend to the outer side, and one end of the threaded rod is fixedly connected with a handle.
Further, the flexible finger includes the connecting rod and supports the pole, connecting rod fixed connection is on the fixed block inside wall, be equipped with the regulation chamber in supporting the pole, connecting rod one end runs through the support pole and extends to and adjust the intracavity, connecting rod one end fixed cover is equipped with the sliding plate, be equipped with the second spring between sliding plate and the regulation chamber inside wall.
Further, arc grooves are formed in the circumference of the inner ring side wall of the round frame at equal intervals, and the width of each arc groove is larger than that of the fixing block.
Further, the outer surface thread bush of threaded rod is equipped with the lock nut, the lock nut butt is on the lateral wall of circular frame.
Further, the bottom fixedly connected with a plurality of position limiting components of circular frame, the top of mounting disc is equipped with a plurality of jacks, the inside wall fixedly connected with of mounting disc is a plurality of locking release subassembly, the bottom of position limiting component inserts in the jack, the locking release subassembly is used for the locking and the unblock to the position limiting component.
Further, the position limiting assembly comprises a plug rod, the plug rod is fixedly connected to the bottom of the round frame, a sleeve is fixedly connected to the bottom of the plug rod, a fixing groove is formed in the inner wall of the sleeve, and a locking piece is connected in the fixing groove.
Further, the locking piece includes the movable rod, the one end fixedly connected with locking piece of movable rod, the outside of locking piece is equipped with the tilting part, the surface cover of movable rod is equipped with the third spring, the one end butt of third spring is on the locking piece, the other end butt of third spring is on the fixed slot inner wall, the other end of movable rod runs through the sleeve pipe and extends to the sheathed tube outside, the fixed cover of the other end of movable rod is equipped with the limiting plate.
Further, the locking release assembly comprises a support lug which is fixedly connected to the inner side wall of the mounting plate, a push rod is inserted on the support lug in a sliding manner, the top of the push rod extends to the top of the support lug, a supporting rod is fixedly connected to the top of the push rod, a first round platform sleeve is fixedly sleeved on the outer surface of the push rod, a second round platform sleeve is fixedly connected to the top of the supporting rod, and a third round platform sleeve is sleeved on the outer surface of the supporting rod in a sliding manner;
The top fixed cover of push rod surface is equipped with the extension board, the bottom fixedly connected with push pedal of push rod, the surface cover of push rod is equipped with the fourth spring, the top butt of fourth spring is in the bottom of journal stirrup, the bottom butt of fourth spring is at the top of push pedal.
Further, the third round platform sleeve is positioned between the first round platform sleeve and the second round platform sleeve, the diameter of the outer curved surface of the first round platform sleeve gradually decreases along the direction close to the third round platform sleeve, the diameter of the outer curved surface of the second round platform sleeve gradually decreases along the direction far away from the third round platform sleeve, and the diameter of the outer curved surface of the third round platform sleeve gradually decreases along the direction far away from the second round platform sleeve;
The diameter of the support plate is smaller than the inner diameter of the sleeve, the inner top wall of the sleeve is fixedly connected with a positioning rod, and the positioning rod is movably inserted into the second round platform sleeve.
The invention also provides a five-axis machine tool, which comprises the positioning and adjusting device.
By means of the technical scheme, the invention provides the positioning adjusting device and the five-axis machine tool with the positioning adjusting device, and the five-axis machine tool at least has the following beneficial effects:
1. The invention comprises a round frame, a flexible finger, a handle, a threaded rod, a movable plate, a square frame and a support rod, wherein the round frame is provided with a threaded hole, the flexible finger is provided with a certain elasticity, the workpiece is placed into the round frame, the flexible finger is contacted with the flexible finger, the flexible finger is primarily adapted and adjusted according to the shape and the size of the workpiece, the handle is rotated, the threaded rod is gradually pushed along the threaded hole of the round frame to push the movable plate to slide along the inner bottom wall of the round frame, and the square frame and the support rod drive the flexible finger to move together to gradually tighten the clamping of the workpiece. Simultaneously, square frame rotates on the movable plate, and the sliding block slides on the slide bar, drives the rocking arm and rotates, drives the flexible finger through bracing piece and fixed block and rotates, can carry out self-adaptation adjustment according to the shape and the size of work piece, ensures the stability of centre gripping, and this design can adapt to the work piece of different shapes and sizes, has improved commonality and flexibility.
2. According to the invention, along with the sliding of the sliding plate, the second spring is compressed and generates a reaction force, the reaction force is transmitted to the supporting rod, so that a certain clamping force is generated on the workpiece, the second spring has a certain elasticity, therefore, the second spring can be adaptively adjusted according to the shape and the size of the workpiece, the uniformity and the stability of the clamping force are ensured, when the flexible finger completely clamps the workpiece and achieves the required clamping force, the whole positioning adjusting device can lock the workpiece at a specified position, and at the moment, the elasticity of the second spring and the extrusion force of the workpiece reach a balanced state, so that the workpiece is ensured not to displace in the processing process.
3. According to the positioning adjusting device, the mounting disc is fixedly arranged on the turntable of the five-axis machine tool, the circular frame is placed on the top of the mounting disc, the bottom of the position limiting assembly is inserted into the jack, the position limiting assembly can be locked through the locking releasing assembly, the positioning adjusting device is convenient to fix and install, and when the positioning adjusting device needs to be replaced, the position limiting assembly can be unlocked through the locking releasing assembly, so that the circular frame can be taken off or replaced from the mounting disc.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a positioning adjustment device;
FIG. 2 is a schematic view of the structure of the mounting plate in the positioning adjustment device;
FIG. 3 is a schematic view of a circular frame and clamping assembly structure of the positioning adjustment device;
FIG. 4 is a schematic view of a partial structure of a circular frame and a clamping assembly in the positioning adjustment device;
FIG. 5 is a schematic view of a flexible clamping assembly in a positioning adjustment device;
FIG. 6 is a schematic view of a square frame structure of the positioning adjustment device;
FIG. 7 is a schematic view of the structure of the flexible finger in the positioning adjustment device;
FIG. 8 is a bottom view of the circular frame and flexible clamping assembly configuration of the positioning adjustment apparatus;
FIG. 9 is an enlarged view of a portion of the positioning adjustment device at A of FIG. 8;
FIG. 10 is a schematic view of a locking member in the positioning adjustment device;
FIG. 11 is a schematic view of the structure of the mounting plate and the unlocking assembly in the positioning adjustment device;
FIG. 12 is a schematic view of a part of the positioning adjustment device at B in FIG. 12;
FIG. 13 is a schematic view of a lock release assembly of the positioning adjustment device;
FIG. 14 is a front view of a five-axis machine tool configuration;
fig. 15 is a rear view of a five-axis machine tool configuration.
The device comprises a mounting disc, 101, a jack, 2, a round frame, 201, an arc groove, 3, a flexible clamping assembly, 301, a moving plate, 302, a square frame, 303, a supporting rod, 304, a fixed block, 305, a flexible finger, 3051, a connecting rod, 3052, a supporting rod, 3053, an adjusting cavity, 3054, a sliding plate, 3055, a second spring, 306, a sliding rod, 307, a sliding block, 308, a first spring, 309, a rocker, 310, a threaded rod, 311, a handle, 312, a locking nut, 4, a position limiting assembly, 401, a inserting rod, 402, a sleeve, 403, a positioning rod, 404, a fixed groove, 405, a locking piece, 4051, a moving rod, 4052, a locking block, 4053, an inclined part, 4054, a third spring, 4055, a limiting plate, 5, a locking releasing assembly, 501, a supporting lug, 502, a push rod, 503, 504, a first round table, 505, a second round table, 506, a third table, 507, a supporting plate, 508, a push plate, 509, a fourth spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Because the irregular workpieces are different in shape and size, the traditional rigid clamping mechanism is difficult to realize stable clamping of the irregular workpieces, so that the position deviation of the workpieces in the machining process can be caused, the machining effect is affected, and the workpieces can be damaged.
In particular, existing alignment devices tend to be designed with a focus on gripping a regular shaped workpiece, but lack sufficient flexibility and flexibility for irregular workpieces.
The invention provides a positioning adjusting device and a five-axis machine tool with the same, which can carry out self-adaptive adjustment according to workpieces, ensure the stability of clamping, adapt to workpieces with different shapes and sizes, and improve the universality and the flexibility.
As shown in fig. 1, 3 and 4, the positioning and adjusting device comprises a mounting plate 1, wherein the top of the mounting plate 1 is fixedly connected with a circular frame 2, and a plurality of flexible clamping assemblies 3 are equidistantly arranged on the inner circumference of the circular frame 2;
As shown in fig. 5 and 6, the flexible clamping assembly 3 comprises a moving plate 301, the moving plate 301 is slidably connected to the inner bottom wall of the circular frame 2, a square frame 302 is rotatably connected to the moving plate 301, a bar-shaped groove is formed in the top of the square frame 302, a sliding rod 306 is fixedly connected to the bar-shaped groove, a sliding block 307 is sleeved on the sliding rod 306 in a sliding mode, first springs 308 are movably sleeved on two sides of the sliding rod 306, a rocker 309 is rotatably connected to the top of the sliding block 307, one end of the rocker 309 is rotatably connected to the moving plate 301, a supporting rod 303 is fixedly connected to the square frame 302, one end of the supporting rod 303 is fixedly connected to a fixed block 304, a plurality of flexible fingers 305 are fixedly connected to the fixed block 304, a threaded rod 310 is rotatably connected to the tail end of the moving plate 301, one end of the threaded rod 310 extends to the outer side through a threaded hole of the circular frame 2, and one end of the threaded rod 310 is fixedly connected to a handle 311. The workpiece is placed in the circular frame 2, the workpiece is contacted with the flexible finger 305, the flexible finger 305 has certain elasticity and can be primarily adapted and adjusted according to the shape and the size of the workpiece, the rotary handle 311 is rotated, the threaded rod 310 can be gradually pushed along the threaded hole of the circular frame 2, the movable plate 301 is pushed to slide along the inner bottom wall of the circular frame 2, and the square frame 302 and the support rod 303 can drive the flexible finger 305 to move together to gradually tighten the clamping of the workpiece. Meanwhile, the square frame 302 rotates on the moving plate 301, the sliding block 307 slides on the sliding rod 306 to drive the rocker 309 to rotate, the flexible finger 305 is driven to rotate through the supporting rod 303 and the fixed block 304, self-adaptive adjustment can be carried out according to the shape and the size of a workpiece, the stability of clamping is ensured, and the design can adapt to workpieces with different shapes and sizes, and the universality and the flexibility are improved.
As shown in fig. 7, the flexible finger 305 includes a connecting rod 3051 and a supporting rod 3052, the connecting rod 3051 is fixedly connected to the inner side wall of the fixed block 304, an adjusting cavity 3053 is arranged in the supporting rod 3052, one end of the connecting rod 3051 penetrates through the supporting rod 3052 and extends into the adjusting cavity 3053, a sliding plate 3054 is fixedly sleeved at one end of the connecting rod 3051, and a second spring 3055 is arranged between the sliding plate 3054 and the inner side wall of the adjusting cavity 3053. When a workpiece is contacted with the flexible finger 305, the supporting rod 3052 receives the extrusion force of the workpiece, the extrusion force is transmitted to the sliding plate 3054, so that the sliding plate 3054 slides in the adjusting cavity 3053, the second spring 3055 is compressed and generates a reaction force along with the sliding of the sliding plate 3054, the reaction force is transmitted to the supporting rod 3052, so that a certain clamping force is generated on the workpiece, the second spring 3055 has a certain elasticity, the self-adapting adjustment can be performed according to the shape and the size of the workpiece, the uniformity and the stability of the clamping force are ensured, and when the flexible finger 305 fully clamps the workpiece and achieves the required clamping force, the whole positioning adjustment device can lock the workpiece at a designated position, and at the moment, the elasticity of the second spring 3055 and the extrusion force of the workpiece reach a balanced state, so that the workpiece cannot displace in the processing process.
As shown in fig. 4, arc grooves 201 are formed in the circumference of the inner ring side wall of the circular frame 2 at equal intervals, and the width of each arc groove 201 is larger than that of each fixing block 304. The arcuate slot 201 provides a rocking space for the fixed block 304 and allows for the angle of the flexible fingers 305 to be adaptively adjusted depending on the shape and size of the workpiece.
As shown in fig. 4 and 5, the threaded rod 310 is provided with a lock nut 312 on its outer surface, and the lock nut 312 abuts against the outer side wall of the circular frame 2. When the flexible fingers 305 fully grip the workpiece and achieve the required gripping force, the locking nuts 312 are screwed so that the threaded rod 310 is locked on the circular frame 2, and thus, the whole positioning and adjusting device stably locks the workpiece at the specified position, thereby facilitating subsequent processing.
As shown in fig. 2, 8 and 11, the bottom of the circular frame 2 is fixedly connected with a plurality of position limiting assemblies 4, the top of the mounting plate 1 is provided with a plurality of jacks 101, the inner side wall of the mounting plate 1 is fixedly connected with a plurality of locking releasing assemblies 5, the bottom of the position limiting assemblies 4 is inserted into the jacks 101, and the locking releasing assemblies 5 are used for locking and unlocking the position limiting assemblies 4. The mounting disc 1 is fixedly mounted on a turntable of a five-axis machine tool, the circular frame 2 is placed on the top of the mounting disc 1, the bottom of the position limiting assembly 4 is inserted into the jack 101, the position limiting assembly 4 can be locked through the locking release assembly 5, the fixing and mounting of the positioning adjustment device are facilitated, and when the positioning adjustment device needs to be replaced, the position limiting assembly 4 can be unlocked through the locking release assembly 5, so that the circular frame 2 can be removed from the mounting disc 1 or replaced.
As shown in fig. 8 and 9, the position limiting assembly 4 includes a plunger 401, the plunger 401 is fixedly connected to the bottom of the circular frame 2, a sleeve 402 is fixedly connected to the bottom of the plunger 401, a fixing groove 404 is formed in the inner wall of the sleeve 402, and a locking piece 405 is connected to the fixing groove 404.
As shown in fig. 10, the locking member 405 includes a moving rod 4051, one end of the moving rod 4051 is fixedly connected with a locking block 4052, an inclined portion 4053 is arranged on the outer side of the locking block 4052, a third spring 4054 is sleeved on the outer surface of the moving rod 4051, one end of the third spring 4054 is abutted to the locking block 4052, the other end of the third spring 4054 is abutted to the inner wall of the fixed groove 404, the other end of the moving rod 4051 penetrates through the sleeve 402 and extends to the outer side of the sleeve 402, and a limiting plate 4055 is fixedly sleeved on the other end of the moving rod 4051.
As shown in fig. 11, 12 and 13, the unlocking component 5 includes a support lug 501, the support lug 501 is fixedly connected to the inner side wall of the mounting plate 1, a push rod 502 is slidably inserted on the support lug 501, the top of the push rod 502 extends to the top of the support lug 501, a supporting rod 503 is fixedly connected to the top of the push rod 502, a first round table sleeve 504 is fixedly sleeved on the outer surface of the push rod 502, a second round table sleeve 505 is fixedly connected to the top of the supporting rod 503, a third round table sleeve 506 is slidably sleeved on the outer surface of the supporting rod 503, a supporting plate 507 is fixedly sleeved on the top of the outer surface of the push rod 502, a push plate 508 is fixedly connected to the bottom of the push rod 502, a fourth spring 509 is sleeved on the outer surface of the push rod 502, the top of the fourth spring 509 is abutted to the bottom of the support lug 501, and the bottom of the fourth spring 509 is abutted to the top of the push plate 508.
As shown in fig. 13, the third circular truncated cone sleeve 506 is located between the first circular truncated cone sleeve 504 and the second circular truncated cone sleeve 505, the outer curved surface diameter of the first circular truncated cone sleeve 504 gradually decreases in a direction approaching the third circular truncated cone sleeve 506, the outer curved surface diameter of the second circular truncated cone sleeve 505 gradually decreases in a direction away from the third circular truncated cone sleeve 506, and the outer curved surface diameter of the third circular truncated cone sleeve 506 gradually decreases in a direction away from the second circular truncated cone sleeve 505, and the maximum outer diameters of the second circular truncated cone sleeve 505 and the third circular truncated cone sleeve 506 are equal.
As shown in fig. 9 and 13, the diameter of the support plate 507 is smaller than the inner diameter of the sleeve 402, the inner top wall of the sleeve 402 is fixedly connected with a positioning rod 403, and the positioning rod 403 is movably inserted into the second round platform sleeve 505.
As shown in fig. 14 and 15, the present invention further provides a five-axis machine tool, which includes three linear axes and two rotating axes, the three linear axes are an X axis, a Y axis and a Z axis, respectively, the X axis is responsible for the left-right movement of the workpiece, and the tool can perform machining in the horizontal direction of the workpiece by the movement of the X axis. The Y axis is perpendicular to the X axis. The Y axis is responsible for the back-and-forth movement of the workpiece, and the combination of the Y axis and the X axis enables the cutter to perform two-dimensional accurate machining on the plane of the workpiece. The Z axis is the vertical movement axis of the five-axis machine tool and is responsible for the up-and-down movement of the cutter, and the relative height between the cutter and the workpiece can be controlled through the adjustment of the Z axis, so that the depth of the workpiece is processed.
The two rotation shafts are an A shaft and a C shaft respectively, the A shaft rotates around an X shaft, the rotation shaft is also called a rotation shaft around the X shaft, and the horizontal inclination angle of the cutter relative to the workpiece can be changed through the rotation of the A shaft, so that the machining of a complex curved surface is realized. The C-axis typically rotates about a Z-axis, also referred to as a rotational axis about the Z-axis, which allows the tool to perform rotational machining about the axis of the workpiece. The processing of complex curved surfaces and any angle in a three-dimensional space is realized through the cooperative movement of the five shafts.
As shown in fig. 14 and 15, a five-axis machine tool comprises a positioning adjustment device, wherein the positioning adjustment device is installed on a turntable of the five-axis machine tool, the positioning adjustment device can be adaptively adjusted according to the shape and the size of a workpiece, and the positioning adjustment device is convenient to install and replace, so that the operation convenience of the five-axis machine tool is greatly improved.
In use, the mounting plate 1 is fixedly mounted on the turntable of the five-axis machine tool, the sleeve 402 of the position limiting assembly 4 is inserted into the jack 101 of the mounting plate 1, and when the sleeve 402 descends and approaches the unlocking assembly 5, the positioning rod 403 starts to enter the second round platform sleeve 505;
As the sleeve 402 descends continuously, the locking block 4052 moves downwards along the outer curved surface of the second round platform sleeve 505, when the locking block 4052 passes over the maximum outer diameter of the second round platform sleeve 505 and reaches the lower part of the second round platform sleeve 505, the elastic force of the third spring 4054 pushes the locking block 4052 to enable the locking block 4052 to be abutted against the outer surface of the supporting rod 503, at this time, the top of the locking block 4052 is in contact with the bottom of the second round platform sleeve 505, the bottom of the sleeve 402 is abutted against the top of the supporting lug 501, and then the position of the position limiting assembly 4 is locked, so that the installation of the positioning adjusting device is completed;
When the locking needs to be released, the push plate 508 is pushed upwards, the fourth spring 509 is forced to shrink, the second round platform sleeve 505 is driven to move upwards through the push rod 502, the support plate 507 and the support rod 503, at this time, the inclined part 4053 at the bottom of the locking block 4052 slides on the third round platform sleeve 506, the third spring 4054 is forced to shrink, the push plate 508 is pushed upwards continuously, the locking block 4052 passes over the maximum diameter of the third round platform sleeve 506, the elastic force of the third spring 4054 is released, and the locking block 4052 slides downwards on the outer curved surface of the second round platform sleeve 505 and moves to the lower part of the third round platform sleeve 506;
At this time, the round frame 2 is pulled upwards, the third round platform sleeve 506 is driven to move upwards on the outer surface of the supporting rod 503 by the locking block 4052, the top of the third round platform sleeve 506 is contacted with the bottom of the second round platform sleeve 505, the locking block 4052 can slide upwards on the outer curved surface of the second round platform sleeve 505, when the locking block 4052 moves to the maximum outer diameter of the third round platform sleeve 506, the locking block 4052 can directly cross the third round platform sleeve 506 and the second round platform sleeve 505 due to the fact that the maximum outer diameters of the second round platform sleeve 505 and the third round platform sleeve 506 are equal, and the locking block 4052 is separated from locking the bottom of the second round platform sleeve 505, so that the round frame 2 can be removed;
Releasing the push plate 508, and under the action of the fourth spring 509, the support plate 507 moves downwards and abuts against the top of the support lug 501, and the push plate 508 returns to the initial position;
when clamping a workpiece, in an initial state, the flexible finger 305 is in a natural extension state, and two first springs 308 simultaneously apply a certain pretightening force to the sliding block 307, so that the rocker 309 is kept stable;
When the workpiece is placed in the circular frame 2, the workpiece is contacted with the flexible fingers 305, and the flexible fingers 305 have certain elasticity and can be primarily adapted and adjusted according to the shape and the size of the workpiece;
Rotating the handle 311, the threaded rod 310 will gradually push along the threaded hole of the circular frame 2, pushing the moving plate 301 to slide along the inner bottom wall of the circular frame 2, and the square frame 302 and the supporting rod 303 will drive the flexible fingers 305 to move together, so as to gradually tighten the clamping of the workpiece. Meanwhile, the square frame 302 rotates on the moving plate 301, the sliding block 307 slides on the sliding rod 306 to drive the rocker 309 to rotate, the flexible finger 305 is driven to rotate through the supporting rod 303 and the fixed block 304, self-adaptive adjustment can be carried out according to the shape and the size of a workpiece, the stability of clamping is ensured, and the design can adapt to workpieces with different shapes and sizes, and the universality and the flexibility are improved.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A positioning adjustment device comprising a mounting plate (1), characterized in that:
the top of the mounting disc (1) is fixedly connected with a circular frame (2);
a plurality of flexible clamping assemblies (3) are equidistantly arranged on the inner circumference of the circular frame (2);
The flexible clamping assembly (3) comprises a moving plate (301), and the moving plate (301) is connected to the inner bottom wall of the circular frame (2) in a sliding manner;
The movable plate (301) is rotationally connected with a square frame (302), a bar-shaped groove is formed in the top of the square frame (302), a sliding rod (306) is fixedly connected in the bar-shaped groove, a sliding block (307) is sleeved on the sliding rod (306) in a sliding manner, and first springs (308) are movably sleeved on two sides of the sliding rod (306);
the top of the sliding block (307) is rotatably connected with a rocker arm (309), and one end of the rocker arm (309) is rotatably connected with the moving plate (301);
A supporting rod (303) is fixedly connected to the square frame (302), a fixed block (304) is fixedly connected to one end of the supporting rod (303), and a plurality of flexible fingers (305) are fixed on the fixed block (304);
The tail end of the moving plate (301) is rotatably connected with a threaded rod (310), one end of the threaded rod (310) penetrates through a threaded hole of the round frame (2) to extend to the outer side, and one end of the threaded rod (310) is fixedly connected with a handle (311);
The bottom fixedly connected with of circular frame (2) is spacing subassembly (4) in a plurality of positions, the top of mounting disc (1) is equipped with a plurality of jacks (101), the inside wall fixedly connected with of mounting disc (1) is relieved subassembly (5) in a plurality of locks, the bottom of spacing subassembly (4) in position inserts in jack (101), the locking that is used for spacing subassembly (4) in position is relieved subassembly (5) and is locked and unblock.
2. The positioning adjustment device of claim 1, wherein:
the flexible finger (305) comprises a connecting rod (3051) and a supporting rod (3052), the connecting rod (3051) is fixedly connected to the inner side wall of the fixed block (304), an adjusting cavity (3053) is formed in the supporting rod (3052), one end of the connecting rod (3051) penetrates through the supporting rod (3052) and extends into the adjusting cavity (3053), a sliding plate (3054) is fixedly sleeved at one end of the connecting rod (3051), and a second spring (3055) is arranged between the sliding plate (3054) and the inner side wall of the adjusting cavity (3053).
3. The positioning adjustment device of claim 1, wherein:
arc grooves (201) are formed in the circumference of the inner ring side wall of the circular frame (2) at equal intervals, and the width of each arc groove (201) is larger than that of each fixing block (304).
4. The positioning adjustment device of claim 1, wherein:
the outer surface thread bush of threaded rod (310) is equipped with locking nut (312), locking nut (312) butt is on the lateral wall of circular frame (2).
5. The positioning adjustment device of claim 1, wherein:
The position limiting assembly (4) comprises a plug rod (401), the plug rod (401) is fixedly connected to the bottom of the round frame (2), a sleeve (402) is fixedly connected to the bottom of the plug rod (401), a fixing groove (404) is formed in the inner wall of the sleeve (402), and a locking piece (405) is connected in the fixing groove (404).
6. The positioning adjustment apparatus according to claim 5, characterized in that:
The locking piece (405) is including movable rod (4051), the one end fixedly connected with locking piece (4052) of movable rod (4051), the outside of locking piece (4052) is equipped with tilting portion (4053), the surface cover of movable rod (4051) is equipped with third spring (4054), the one end butt of third spring (4054) is on locking piece (4052), the other end butt of third spring (4054) is on fixed slot (404) inner wall, the other end of movable rod (4051) runs through sleeve pipe (402) and extends to the outside of sleeve pipe (402), the other end fixed cover of movable rod (4051) is equipped with limiting plate (4055).
7. The positioning adjustment apparatus according to claim 6, characterized in that:
The locking unlocking component (5) comprises a supporting lug (501), the supporting lug (501) is fixedly connected to the inner side wall of the mounting disc (1), a push rod (502) is inserted on the supporting lug (501) in a sliding mode, the top of the push rod (502) extends to the top of the supporting lug (501), a supporting rod (503) is fixedly connected to the top of the push rod (502), a first round platform sleeve (504) is sleeved on the outer surface of the push rod (502), a second round platform sleeve (505) is fixedly connected to the top of the supporting rod (503), and a third round platform sleeve (506) is sleeved on the outer surface of the supporting rod (503) in a sliding mode;
The top fixed cover of push rod (502) surface is equipped with extension board (507), the bottom fixedly connected with push pedal (508) of push rod (502), the surface cover of push rod (502) is equipped with fourth spring (509), the top butt of fourth spring (509) is in the bottom of journal stirrup (501), the bottom butt of fourth spring (509) is at the top of push pedal (508).
8. The positioning adjustment apparatus according to claim 7, characterized in that:
The third round platform sleeve (506) is positioned between the first round platform sleeve (504) and the second round platform sleeve (505), the diameter of the outer curved surface of the first round platform sleeve (504) is gradually reduced along the direction close to the third round platform sleeve (506), the diameter of the outer curved surface of the second round platform sleeve (505) is gradually reduced along the direction far away from the third round platform sleeve (506), the diameter of the outer curved surface of the third round platform sleeve (506) is gradually reduced along the direction far away from the second round platform sleeve (505), and the maximum outer diameters of the second round platform sleeve (505) and the third round platform sleeve (506) are the same;
The diameter of the support plate (507) is smaller than the inner diameter of the sleeve (402), the inner top wall of the sleeve (402) is fixedly connected with a positioning rod (403), and the positioning rod (403) is movably inserted into the second round platform sleeve (505).
9. A five-axis machine tool comprising a positioning adjustment device as claimed in any one of claims 1 to 8.
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| CN202411888794.XA CN119566879B (en) | 2024-12-20 | 2024-12-20 | A positioning adjustment device and a five-axis machine tool having the positioning adjustment device |
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| CN202411888794.XA CN119566879B (en) | 2024-12-20 | 2024-12-20 | A positioning adjustment device and a five-axis machine tool having the positioning adjustment device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215846831U (en) * | 2021-05-27 | 2022-02-18 | 成都吉通航空精密机电有限公司 | Thread processing device for new propellant pressure cap |
| CN117066551A (en) * | 2023-08-16 | 2023-11-17 | 泰州进鑫机械有限公司 | Gearbox gear shaft hole machining equipment with automatic positioning function |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05318372A (en) * | 1992-05-14 | 1993-12-03 | Canon Inc | Work holding device |
| CN221313328U (en) * | 2023-10-08 | 2024-07-12 | 凤城市炜烨机械有限公司 | Numerical control machine tool machining fixed table |
| CN222134223U (en) * | 2024-04-26 | 2024-12-10 | 江苏铁泉智能制造科技有限公司 | Five machining center anchor clamps |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215846831U (en) * | 2021-05-27 | 2022-02-18 | 成都吉通航空精密机电有限公司 | Thread processing device for new propellant pressure cap |
| CN117066551A (en) * | 2023-08-16 | 2023-11-17 | 泰州进鑫机械有限公司 | Gearbox gear shaft hole machining equipment with automatic positioning function |
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