Sliding seat structure and ball head mirror surface machine tool

Abstract

The invention relates to the technical field of machining, in particular to a sliding seat structure and a ball head mirror surface machine tool, which comprises a rack, a moving frame is mounted on the rack, a first vertical linear motion structure is mounted on the moving frame, and the first vertical linear motion structure is connected with an axial rotating structure; a second vertical linear motion structure connected to the axial rotation structure can be driven by the axial rotation structure to change the included angle between the second vertical linear motion structure and the horizontal plane in the vertical linear motion process; therefore, the two tool bit sets installed on the second vertical linear motion structure can achieve precise ball head machining. In the sliding seat structure and the ball head mirror surface machine tool provided by the invention, the transverse movement structure and the first vertical linear movement structure are connected with each other through the movement frame, so that the first vertical linear movement structure can vertically move the rack while the transverse movement structure performs displacement action on the movement frame; and the machining precision of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical processing, in particular to a slide structure and a ball head mirror surface machine tool. BACKGROUND

[0002] The ball head mirror surface machine tool is a numerical control or ordinary machine tool specially used for processing ball heads, spherical surfaces and complex curved surface workpieces, and the core function thereof is to realize high-precision sphere forming through multi-axis linkage and precise tool path control. The ball head mirror surface machine tool has higher requirements for precision during the processing process, and needs to avoid processing errors to the greatest extent.

[0003] During the processing process of the ball head mirror surface machine tool, the slide of the machine tool needs to be used to adjust the position of the machine tool processing device, and during this process, precise multi-degree-of-freedom adjustment needs to be used to realize mirror surface processing of the workpiece. However, in the traditional technology, the slide used can only be used for relatively simple adjustment, so that the traditional processing equipment cannot meet the modern processing precision requirements.

[0004] Therefore, it is necessary to provide a new slide structure for the ball head mirror surface machine tool. SUMMARY

[0005] The present application aims to at least solve one of the technical problems existing in the prior art.

[0006] Firstly, the present application provides a slide structure, comprising: a rack, a transverse motion structure, a motion frame, an axial rotation structure and a first vertical linear motion structure; The motion frame comprises a first mounting frame and a second mounting frame; The transverse motion structure is arranged on the rack; the first mounting frame is arranged on the transverse motion structure, and the bottom of the first mounting frame is in sliding connection with the transverse motion structure; The first mounting frame is provided with the first vertical linear motion structure in the vertical direction, and the second mounting frame is in sliding connection with the first mounting frame through the first vertical linear motion structure; The axial rotation structure is in sliding connection with the second mounting frame, and the axial rotation structure can move linearly along the longitudinal direction of the second mounting frame.

[0007] As some sub-schemes of the above technical scheme, the transverse motion structure comprises a transverse motion structure fixed part and a transverse motion structure displacement part; the transverse motion structure fixed part comprises a third slide rail, a third screw rod fixing piece, a third screw rod, a third motor frame and a third motor; The third slide rail is fixedly connected with the rack, the third screw rod fixing piece is fixedly connected with the rack, the third screw rod is in rotational connection with the third screw rod fixing piece, and the third screw rod fixing piece is used for supporting the third screw rod; The third motor is fixedly connected with the third motor frame, the third motor frame is rotationally connected with the third screw rod, the power output end of the third motor is axially connected with the third screw rod, the third motor drives the third screw rod to rotate axially, the third screw rod is drivingly connected with the horizontal movement structure displacement part, and the third screw rod drives the first mounting frame to move linearly through the horizontal movement structure displacement part.

[0008] As some sub-solutions of the above technical solutions, the horizontal movement structure displacement part comprises a third sliding block and a third screw rod pair; the third sliding block is fixedly connected with the first mounting frame, and the third sliding block is slidingly connected with the third sliding rail; The third screw rod pair is fixedly connected with the first mounting frame, and the third screw rod pair is rotationally connected with the third screw rod in a threaded manner; The third screw rod drives the third screw rod pair to drive the first mounting frame and the third sliding block to move linearly along the third sliding rail.

[0009] As some sub-solutions of the above technical solutions, the movement frame further comprises a first sliding rail, and the first vertical linear movement structure comprises a first vertical displacement part and a first vertical fixed part; The first vertical fixed part comprises a first mounting seat, a first fixed assembly, and a first screw rod, the first mounting seat is fixedly installed at the top end of the first mounting frame, and the top of the first screw rod is rotationally connected with the first mounting seat; The first fixed assembly is fixedly installed at the bottom end of the first mounting seat, the bottom of the first screw rod is rotationally connected with the first mounting seat, the first screw rod is drivingly connected with the first vertical displacement part, and the first screw rod drives the first vertical displacement part to move linearly along the first sliding rail.

[0010] As some sub-solutions of the above technical solutions, the top end of the first mounting seat is provided with a first motor, and the first motor drives the first screw rod to rotate through a coupling.

[0011] As some sub-solutions of the above technical solutions, the first vertical displacement part comprises a first screw rod pair, and the first screw rod pair is connected with the first screw rod in a threaded manner; the second mounting frame is provided with a first groove for accommodating the first screw rod, the first screw rod pair is fixedly connected with the top end of the first groove, the first screw rod drives the first screw rod pair to move linearly, and the second mounting frame moves linearly along the first sliding rail.

[0012] As some sub-solutions of the above technical solutions, the sliding seat structure further comprises a longitudinal movement structure; the second mounting frame is provided with a first advancing platform for installing an axial rotation structure, the axial rotation structure is slidingly connected with the first advancing platform through the longitudinal movement structure, and the longitudinal movement structure drives the axial rotation structure to move linearly along the first advancing platform in the longitudinal direction.

[0013] As some sub-solutions of the above technical solution, the sliding seat structure also includes a second vertical linear motion structure; the axial rotation structure includes a rotating motor and a first rotating component; the second vertical linear motion structure is fixedly connected to the first rotating component, and the rotating motor is used to drive the first rotating component to drive the second vertical linear motion structure to rotate.

[0014] As some sub-solutions of the above technical solution, the slide structure also includes a cutter head assembly, which is slidingly connected to the second vertical linear motion structure, and the cutter head assembly moves linearly along the second vertical linear motion structure.

[0015] Secondly, the present application also provides a ball head mirror machine tool including the above-mentioned slide structure.

[0016] The slide structure and ball head mirror machine tool provided by this application have at least the following beneficial effects: The lateral motion structure and the first vertical linear motion structure are connected to each other through the motion frame, so that when the lateral motion structure displaces the motion frame, the first vertical linear motion structure can move the frame vertically, thereby improving the processing accuracy of the equipment.

[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which: Figure 1 It is an exploded view of a slide structure in a specific embodiment; Figure 2 A partial cross-sectional view of a slide structure in a specific embodiment; Figure 3 It is a partial structural diagram of a slide structure in a specific embodiment; Figure 4 It is an axonometric view of a ball head mirror machine tool in a specific implementation method.

[0019] In the attached figure: 100 - transverse motion structure; 101 - third slide rail support; 102 - third slide rail; 103 - third slider; 104 - third screw rod fixing member; 105 - third screw rod; 106 - third screw rod kinematic pair; 107 - third motor frame; 108 - third motor; 200-longitudinal motion structure; 300 - first vertical linear motion structure; 301 - first motor; 302 - first mounting seat; 303 - first screw motion pair; 304 - first screw rod; 305 - first fixed assembly; 400 - second vertical linear motion structure; 411 - first mounting plate; 500 - axial rotation structure; 501 - rotation motor; 502 - first rotation assembly; 800 - moving frame; 801 - first mounting frame; 802 - second mounting frame; 803 - first sliding rail. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary only, for the purpose of explaining the present application, and should not be understood as a limitation of the present application.

[0021] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the purpose of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as a limitation of the present application.

[0022] In the description of the present application, unless otherwise explicitly limited, the words such as arrangement, installation, connection, etc. should be broadly understood, and those skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0023] The following will be described in combination with Figures 1 to 4 The embodiments of the present application are described below.

[0024] Firstly, the present application provides a sliding seat structure, comprising: a frame, a horizontal motion structure 100, a moving frame 800, an axial rotation structure 500 and a first vertical linear motion structure 300; The moving frame 800 comprises a first mounting frame 801 and a second mounting frame 802; The horizontal motion structure 100 is arranged on the frame; the first mounting frame 801 is arranged on the horizontal motion structure 100, and the bottom of the first mounting frame 801 is in sliding connection with the horizontal motion structure 100; The first mounting frame 801 is provided with the first vertical linear motion structure 300 in the vertical direction, and the second mounting frame 802 is in sliding connection with the first mounting frame 801 through the first vertical linear motion structure 300; The axial rotation structure 500 is slidably connected to the second mounting frame 802 , and the axial rotation structure 500 can perform linear motion along the longitudinal direction of the second mounting frame 802 .

[0025] The frame is firmly in contact with the ground through the support legs installed at the bottom end of the frame, and the first mounting frame 801 in the motion frame 800 is slidably connected to the frame through the transverse motion structure 100, so that the entire motion frame 800 can be laterally displaced on the frame, thereby enabling the first mounting frame 801 to be displaced smoothly and accurately adjusted in position under the drive of the transverse motion structure 100, so that the transverse displacement maintains a high degree of accuracy; the interior of the motion frame 800 is provided with a mounting position for installing the first vertical linear motion structure 300, and the first vertical linear motion structure 300 is installed through the groove of the second mounting frame 802, so that the first vertical linear motion structure 300 installed inside the motion frame 800 is compact and firm, and the second mounting frame 802 is connected to the first vertical linear motion structure 300 through the groove of the second mounting frame 802, so that the first vertical linear motion structure 300 installed inside the motion frame 800 is compact and firm. The vertical linear motion structure is connected to the first mounting frame 801; at this time, the second mounting frame 802 can perform smooth vertical motion under the drive of the first vertical linear motion structure 300, so that the adjustment of the second mounting frame 802 is no longer limited to the horizontal direction of the frame, and vertical movement adjustment on the first mounting frame 801 is added; the second mounting frame 802 is also provided with an axial rotation structure 500; the axial rotation structure 500 is slidingly connected to the second mounting frame 802, and the axial rotation structure 500 can perform longitudinal linear motion on the second mounting frame; specifically, the connecting device that enables the axial rotation structure 500 to be slidingly connected to the second mounting frame 802 can not only enable the two to be slidably connected, but also fix the relative position between the axial rotation structure 500 and the second mounting frame 802.

[0026] The lateral motion structure 100 includes a lateral motion structure fixing portion and a lateral motion structure displacement portion; the lateral motion structure fixing portion includes a third slide rail 102, a third screw fixing member 104, a third screw 105, a third motor frame 107 and a third motor 108; The third slide rail 102 is fixedly connected to the frame, the third screw rod fixing member 104 is fixedly connected to the frame, the third screw rod 105 is rotatably connected to the third screw rod fixing member 104, and the third screw rod fixing member 104 is used to support the third screw rod 105; The third motor frame 107 is fixedly connected to the frame, the third motor 108 is fixedly connected to the third motor frame 107, the third motor frame 107 is rotationally connected to the third screw rod 105, the power output end of the third motor 108 is axially connected to the third screw rod 105, the third motor 108 drives the third screw rod 105 to rotate axially, the third screw rod 105 is transmission-connected to the lateral motion structure displacement part, and the third screw rod 105 drives the first mounting frame 801 to move linearly through the lateral motion structure displacement part.

[0027] Wherein, in the lateral motion structure 100, a plurality of third slide rail support seats 101 are arranged, the third slide rail 102 is connected to the rack through the third slide rail support seat 101, the third motor 108 drives the third screw rod 105 to rotate, so as to drive the third screw rod motion pair 106 to move linearly, and then the moving frame 800 on the rack can be driven by the lateral motion structure 100 to move linearly in the lateral direction, so as to adjust the specific position.

[0028] The lateral motion structure displacement part comprises a third sliding block 103 and a third screw rod motion pair 106; the third sliding block 103 is fixedly connected with the first mounting frame 801, and the third sliding block 103 is in sliding connection with the third slide rail 102; The third screw rod motion pair 106 is fixedly connected with the first mounting frame 801, and the third screw rod motion pair 106 is in threaded rotation connection with the third screw rod 105; The third screw rod 105 drives the third screw rod motion pair 106 to make the first mounting frame 801 and the third sliding block 103 move linearly along the third slide rail 102.

[0029] Wherein, the bottom end of the first mounting frame 801 is fixedly connected with the third sliding block 103 and the third screw rod motion pair 106, when the third motor 108 drives the third screw rod 105 to rotate, the third screw rod motion pair 106 in threaded connection with the third screw rod 105 moves linearly, thereby driving the first mounting frame 801 to move linearly along the third slide rail 102, so that the first mounting frame 801 has the performance of lateral displacement, thereby enabling the second mounting frame 802 and the axial rotation structure 500 connected with the second mounting frame to jointly displace laterally.

[0030] The moving frame 800 further comprises a first slide rail 803, and the first vertical linear motion structure 300 comprises a first vertical displacement part and a first vertical fixed part; The first vertical fixed part comprises a first mounting seat 302, a first fixed assembly 305 and a first screw rod 304, the first mounting seat 302 is fixedly installed at the top end of the first mounting frame 801, and the top of the first screw rod 304 is in rotation connection with the first mounting seat 302; The first fixed assembly 305 is fixedly installed at the bottom end of the first mounting seat 302, the bottom of the first screw rod 304 is in rotation connection with the first mounting seat 302; the first screw rod 304 is in transmission connection with the first vertical displacement part, and the first screw rod 304 drives the first vertical displacement part to move linearly along the first slide rail 803.

[0031] Two first sliding rails 803 are installed on the side of the first mounting frame 801 in the vertical direction, and the first sliding rails 803 are fastened and installed on the first mounting frame 801 through bolts and mounting holes on the side of the frame body; the first fixed assembly 305 fixedly connected to the bottom end of the first mounting frame 801 and the first mounting seat 302 fixedly connected to the top end of the first mounting frame 801 enable the first lead screw 304 to be stably vertically installed on the first mounting frame 801, so that the first lead screw 304 can rotate smoothly, and further so that the first vertical displacement part can stably move vertically and linearly under the drive of the first lead screw 304, so that the second mounting frame 802 fixedly connected to the first vertical displacement part moves linearly in the vertical direction of the first mounting frame 801, so that the axial rotation structure 500 on the second mounting frame 802 also has a vertical displacement function, thereby improving the degree of freedom of the slide structure.

[0032] The first motor 301 is installed at the top end of the first mounting seat 302 and drives the first lead screw 304 to rotate through a shaft coupling.

[0033] The first motor 301 is installed at the top end of the first mounting seat 302 with the power output end facing downward, and is connected to the top end of the first lead screw 304 through a shaft coupling, so as to ensure that the power of the first motor 301 can be output to the first lead screw 304, thereby enabling the first motor 301 to drive the first lead screw 304 to rotate.

[0034] The first vertical displacement part includes a first lead screw pair 303, which is threadedly connected to the first lead screw 304; the second mounting frame 802 is provided with a first recess for accommodating the first lead screw 304, and the first lead screw pair 303 is fixedly connected to the top end of the first recess; the first lead screw 304 drives the first lead screw pair 303 to move linearly, so that the second mounting frame 802 moves linearly along the first sliding rail.

[0035] The second mounting frame 802 is provided with a first recess corresponding to the mounting hole on the first mounting frame 801, the first recess is used for accommodating the first lead screw 304, the top end of the first recess is fixedly connected to the first lead screw pair 303 through a bolt, the first lead screw 304 is parallel to the first sliding rail 803, the first lead screw pair 303 is threadedly connected to the first lead screw 304, so that the second mounting frame 802 can move along the first sliding rail 803 in the vertical direction, and the position of the first lead screw pair 303 can be adjusted when the first lead screw 304 is driven to rotate by the first motor 301, so as to drive the second mounting frame 802 to move linearly and accurately on the first sliding rail, thereby improving the displacement ability of the slide structure in the vertical direction and optimizing the accuracy.

[0036] The slide structure further comprises a longitudinal motion structure 200; the second mounting frame 802 is provided with a first advancing platform for mounting an axial rotation structure 500, the axial rotation structure 500 is slidably connected to the first advancing platform through the longitudinal motion structure 200, and the longitudinal motion structure 200 drives the axial rotation structure 500 to move linearly along the first advancing platform in the longitudinal direction.

[0037] The second mounting frame 802 is further provided with the first advancing platform in the direction of the approximate horizontal plane, the first advancing platform is adjacent to the first groove on the second mounting frame 802 and perpendicular to the first screw rod 304, as shown in Figure 4 The longitudinal motion structure 200 can drive the axial rotation structure 500 to move linearly on the plane of the horizontal or approximate horizontal advancing platform, so that the longitudinal motion structure 200 can drive and adjust the length of the axial rotation structure 500 extending out of the second mounting frame 802, thereby enabling the equipment connected to the end of the slide structure to extend or retract longitudinally, thereby improving the comprehensive precise motion capability of the slide structure.

[0038] The slide structure further comprises a second vertical linear motion structure 400; the axial rotation structure 500 comprises a rotation motor 501 and a first rotation assembly 502; the second vertical linear motion structure 400 is fixedly connected to the first rotation assembly, and the rotation motor 501 is used to drive the first rotation assembly 502 to drive the second vertical linear motion structure 400 to rotate.

[0039] The second vertical linear motion structure 400 comprises a first mounting plate 411, and the first rotation assembly 502 is fixedly connected to the first mounting plate 411. In the axial rotation structure 500, the first rotation assembly 502 is driven by the rotation motor 501 to rotate, thereby driving the first mounting plate 411 to rotate, so as to realize the angle adjustment of the second vertical linear motion structure 400.

[0040] The slide structure further comprises a tool head assembly, the tool head assembly is slidably connected to the second vertical linear motion structure 400, and the tool head assembly moves linearly along the second vertical linear motion structure 400.

[0041] The tool head assembly comprises a first tool head assembly connecting member 406, a first tool head assembly 407, a second tool head assembly connecting member 408 and a second tool head assembly 409, the first tool head assembly 407 is fixedly connected to the second mounting plate 412 through the first tool head assembly connecting member 406; the second tool head assembly 409 is fixedly connected to the first mounting plate 411 through the second tool head assembly connecting member 408; the first tool head assembly 407 and the second tool head assembly 409 are used to process workpieces, and the tool head assembly connected to the first rotation assembly 502 enables the tool head driven by the slide structure provided by the application to have the precise processing capability of multiple degrees of freedom, thereby improving the processing precision.

[0042] Secondly, the application further provides a ball head mirror machine tool comprising the slide structure.

[0043] The machine tool comprises a transverse motion structure 100, a longitudinal motion structure 200, a first vertical linear motion structure 300 and a second vertical motion structure.

[0044] Although the description of the application has been quite detailed and particularly described to specific embodiments, it is not intended to be limited to any of these details or embodiments or any special embodiment, but should be considered to be the prior art by reference to the appended claims to provide a broad interpretation of the scope of these claims, thereby effectively covering the intended scope of the application. In addition, the application is described above in the embodiments that the applicant can foresee, the purpose is to provide a useful description, and those non-essential modifications of the application that have not yet been foreseen can still represent equivalent modifications of the application.

Claims

1. A sliding seat structure, characterized in that: include: a frame, a transverse motion structure, a motion frame, an axial rotation structure, and a first vertical linear motion structure; The sports frame includes a first mounting frame and a second mounting frame; The transverse motion structure is arranged on the frame; the first mounting bracket is arranged on the transverse motion structure, and the bottom of the first mounting bracket is slidably connected to the transverse motion structure; The first mounting frame is provided with the first vertical linear motion structure in the vertical direction, and the second mounting frame is slidably connected to the first mounting frame via the first vertical linear motion structure; The axial rotation structure is slidably connected to the second mounting bracket, and the axial rotation structure can perform linear motion along the longitudinal direction of the second mounting bracket.

2. A sliding seat structure according to claim 1, characterized in that: The lateral motion structure includes a lateral motion structure fixing portion and a lateral motion structure displacement portion; the lateral motion structure fixing portion includes a third slide rail, a third screw rod fixing member, a third screw rod, a third motor frame and a third motor; The third slide rail is fixedly connected to the frame, the third screw rod fixing piece is fixedly connected to the frame, the third screw rod is rotatably connected to the third screw rod fixing piece, and the third screw rod fixing piece is used to support the third screw rod; The third motor frame is fixedly connected to the frame, the third motor is fixedly connected to the third motor frame, the third motor frame is rotatably connected to the third screw rod, the power output end of the third motor is axially connected to the third screw rod, the third motor drives the third screw rod to rotate axially, the third screw rod is transmission-connected to the lateral motion structure displacement part, and the third screw rod drives the first mounting frame to move linearly through the lateral motion structure displacement part.

3. A sliding seat structure according to claim 2, characterized in that: The lateral motion structure displacement portion includes a third slider and a third screw motion pair; the third slider is fixedly connected to the first mounting bracket, and the third slider is slidably connected to the third slide rail; The third screw motion pair is fixedly connected to the first mounting bracket, and the third screw motion pair is threadedly connected to the third screw; The third screw drives the third screw motion pair to make the first mounting bracket and the third sliding block move linearly along the third slide rail.

4. A sliding seat structure according to claim 3, characterized in that: The motion frame further includes a first slide rail, and the first vertical linear motion structure includes a first vertical displacement portion and a first vertical fixing portion; The first vertical fixing portion includes a first mounting seat, a first fixing assembly and a first screw rod, wherein the first mounting seat is fixedly mounted on the top of the first mounting frame, and the top of the first screw rod is rotatably connected to the first mounting seat; The first fixing assembly is fixedly mounted on the bottom end of the first mounting seat, and the bottom of the first screw rod is rotatably connected to the first mounting seat; the first screw rod is transmission-connected to the first vertical displacement part, and the first screw rod drives the first vertical displacement part to perform linear motion along the first slide rail.

5. The slide structure according to claim 4, characterized in that: A first motor is installed on the top of the first mounting seat, and the first motor drives the first screw rod to rotate through a coupling.

6. The slide structure according to claim 5, characterized in that: The first vertical displacement portion includes a first screw motion pair, which is threadedly connected to the first screw; the second mounting bracket is provided with a first groove for accommodating the first screw, and the first screw motion pair is fixedly connected to the top end of the first groove. The first screw drives the first screw motion pair to perform linear motion, so that the second mounting bracket performs linear motion along the first slide rail.

7. The slide structure according to claim 6, characterized in that: The sliding seat structure also includes a longitudinal motion structure; the second mounting frame is provided with a first forward platform for mounting the axial rotation structure, the axial rotation structure is slidingly connected to the first forward platform through the longitudinal motion structure, and the longitudinal motion structure drives the axial rotation structure to move linearly along the longitudinal direction of the first forward platform.

8. The slide structure according to claim 7, characterized in that: The slide structure also includes a second vertical linear motion structure; the axial rotation structure includes a rotating motor and a first rotating assembly; the second vertical linear motion structure is fixedly connected to the first rotating assembly, and the rotating motor is used to drive the first rotating assembly to drive the second vertical linear motion structure to rotate.

9. The slide structure according to claim 8, characterized in that: The slide structure further includes a cutter head assembly, which is slidably connected to the second vertical linear motion structure. The cutter head assembly moves linearly along the second vertical linear motion structure.

10. A ball head mirror machine tool, characterized in that: The sliding seat structure comprises the sliding seat structure according to any one of claims 1 to 9.

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