Y-axis transmission structure and ball head mirror machine tool

Abstract

The invention relates to the technical field of machining, in particular to a Y-axis transmission structure and a ball head mirror surface machine tool, and specifically comprises a moving frame, the moving frame is divided into two parts which are connected with each other through a first vertical linear moving structure, and the part, capable of moving vertically, of the moving frame is further connected with an axial rotating structure through a longitudinal moving structure; an axial movement structure is arranged on the rotating part of the axial movement structure, so that the axial movement structure can move vertically and also can move longitudinally, a second vertical linear movement structure is further arranged on the rotating part of the axial movement structure, and the second vertical linear movement structure is further connected with a comprehensive tool bit group, so that the tool bit group can be subjected to angle adjustment and height adjustment again; according to the Y-axis transmission structure provided by the invention, various movement structures on the movement frame are matched with one another, so that the comprehensive tool bit group in the Y-axis transmission mechanism can perform multi-angle, multi-degree-of-freedom and distance-adjustable fine machining, and the machining fineness is improved.

Description

TECHNICAL FIELD

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

[0002] The ball head processing 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 ball 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 therefore requires precise processing control and higher processing precision of the machine tool.

[0003] During the processing of the ball head mirror surface machine tool, the depth of the tool feed in the horizontal plane often needs to be adjusted, and the precision control requirement for the depth of the tool feed is extremely high during this process. In addition, the depth of the tool feed in the vertical direction is often adjusted during this process, and therefore the stability and reliability of the machine tool are required to be high during this process. However, the pushing precision of the Y-axis transmission structure of the machine tool structure still has room for improvement in the prior art.

[0004] Therefore, a new ball head mirror surface machine tool is needed to improve the processing precision. 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 Y-axis transmission structure, which comprises a moving frame, a longitudinal movement structure, an axial rotation structure, a first vertical linear movement structure, a second vertical linear movement structure and a comprehensive tool head group. The moving frame comprises a first mounting frame, a second mounting frame and a first sliding rail. The second mounting frame is vertically slidably connected to the first mounting frame through the first sliding rail, and the first vertical linear movement structure enables the second mounting frame to move vertically and linearly along the first sliding rail. The axial rotation structure is slidably connected to the second mounting frame through the longitudinal movement structure. The second vertical linear movement structure is connected to the axial rotation structure, and the axial rotation structure can rotate the second vertical linear movement structure. The second vertical linear movement structure is further connected to the comprehensive tool head group.

[0007] As some sub-solutions of the above technical solution, 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 fixing assembly and a first lead screw, the first mounting seat is fixedly installed at the top end of the first mounting frame, and the top of the first lead screw is rotationally connected to the first mounting seat. The first fixed assembly is fixedly installed at the bottom end of the first mounting seat, and the bottom of the first lead screw is rotationally connected with the first mounting seat. The first motor is installed at the top end of the first mounting seat, and the first motor drives the first lead screw to rotate through the shaft coupling, so that the first vertical displacement part moves linearly along the first slide rail.

[0008] As some sub-solutions of the above technical solutions, the first vertical displacement part comprises a first lead screw pair, and the first lead screw pair is threadedly connected with the first lead screw; the second mounting frame is provided with a first groove for accommodating the first lead screw, and the first lead screw pair is fixedly connected with the top end of the first groove; the first lead screw drives the first lead screw pair to move linearly, so that the second mounting frame moves linearly along the first slide rail.

[0009] As some sub-solutions of the above technical solutions, the second mounting frame is provided with an advancing platform for installing an axial rotation structure, the longitudinal movement structure comprises a longitudinal fixed part and a longitudinal displacement part, and the longitudinal fixed part is fixedly connected with the advancing platform; the longitudinal fixed part comprises a longitudinal motor, a longitudinal mounting frame, a longitudinal lead screw, a longitudinal fixed assembly, a longitudinal connecting assembly and a longitudinal slide rail; the mounting frame is fixedly connected with the advancing platform through the longitudinal connecting assembly, the longitudinal fixed assembly is located below the advancing platform, the mounting frame and the longitudinal connecting assembly are provided with a cavity and a longitudinal through hole for accommodating the longitudinal lead screw, and the longitudinal lead screw is rotationally connected with the fixed assembly through the longitudinal through hole; the longitudinal motor is fixedly connected with the longitudinal mounting frame, the longitudinal motor is connected with the longitudinal lead screw, the longitudinal motor drives the longitudinal lead screw to rotate, and the longitudinal lead screw drives the longitudinal displacement part to move linearly along the axial direction of the longitudinal lead screw.

[0010] As some sub-solutions of the above technical solutions, the axial rotation structure comprises an axial rotation frame; the longitudinal displacement part comprises a longitudinal lead screw pair, a longitudinal transmission assembly and a longitudinal slide block; the longitudinal transmission assembly is fixedly connected with the axial rotation frame, the longitudinal lead screw pair is threadedly connected with the longitudinal lead screw, the longitudinal slide block is fixedly connected with the bottom of the axial rotation frame, the longitudinal lead screw pair is detachably connected with the longitudinal transmission assembly, and the slide block is slidingly connected with the longitudinal slide rail; the longitudinal lead screw pair drives the axial rotation frame to move linearly along the longitudinal slide rail through the transmission assembly.

[0011] As some sub-solutions of the above technical solutions, the axial rotation structure further comprises a rotating motor and a first rotating assembly, the first rotating assembly is fixedly connected with the axial rotation frame, and the rotating motor is used to drive the first rotating assembly to drive the second vertical linear movement structure to rotate.

[0012] As some sub-schemes of the above technical solutions, the second vertical linear motion structure comprises a second vertical fixed part and a second vertical motion part, the second vertical fixed part comprises a second motor, a second fixed assembly, a second screw rod, a second mounting seat and a first mounting plate; the first mounting plate is rotationally connected with the first rotating assembly, the top end of the first mounting plate is fixedly connected with the second mounting seat, the second mounting seat is fixedly connected with the body of the second motor, the power output end of the second motor is connected with the second screw rod, the lower end of the second screw rod is rotationally connected with the second fixed assembly, and the second fixed assembly is fixedly connected with the first mounting plate.

[0013] As some sub-schemes of the above technical solutions, the second vertical motion part comprises a second screw rod motion pair, a second sliding rail and a second mounting plate; the second screw rod motion pair is threadedly connected with the second screw rod, the second mounting plate is fixedly connected with the second screw rod motion pair, the second mounting plate is slidingly connected with the first mounting plate through the second sliding rail, and the second motor drives the second mounting plate to move linearly along the second sliding rail through the second screw rod and the second screw rod motion pair.

[0014] As some sub-schemes of the above technical solutions, the comprehensive tool head group further comprises a first tool head group connecting piece, a first tool head group, a second tool head group connecting piece and a second tool head group; the first tool head group is fixedly connected with the second mounting plate through the first tool head group connecting piece, and the second tool head group is fixedly connected with the first mounting plate through the second tool head group connecting piece.

[0015] Secondly, the application provides a ball head mirror surface machine tool comprising the Y-axis transmission structure.

[0016] The Y-axis motion structure provided by the application has at least the following beneficial effects: The Y-axis transmission structure provided by the application can realize fine machining of a comprehensive tool head group in multiple angles, multiple degrees of freedom and adjustable distances through the cooperation of various motion structures on the motion frame, and the machining precision is improved.

[0017] Additional aspects and advantages of the application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the application will become apparent and be readily appreciated from the following description, including the appended drawings. Figure 1 It is a Y-axis transmission structure half sectional view in the specific embodiment; Figure 2 It is an exploded view of the Y-axis transmission structure in the specific embodiment; Figure 3 It is an exploded view of the Y-axis transmission structure in the specific embodiment; Figure 4 is a partial structure half sectional view of the Y-axis transmission structure in the specific embodiment; Figure 5 is a partial structure schematic view of the Y-axis transmission structure in the specific embodiment; Figure 6 is an axonometric view of a ball head mirror machine in the specific embodiment; in the drawings: 100 - transverse motion structure; 200 - longitudinal motion structure; 201 - longitudinal motor; 202 - longitudinal mounting frame; 203 - longitudinal screw rod; 204 - longitudinal screw rod motion pair; 205 - longitudinal fixed assembly; 206 - longitudinal connecting assembly; 207 - longitudinal transmission assembly; 208 - longitudinal slide rail; 209 - longitudinal slide block; 300 - first vertical linear motion structure; 301 - first motor; 302 - first mounting seat; 303 - first screw rod; 304 - first screw rod motion pair; 305 - first fixed assembly; 400 - second vertical linear motion structure; 401 - second motor; 402 - second fixed assembly; 403 - second screw rod; 404 - second screw rod motion pair; 405 - second slide rail; 406 - first tool head group connecting piece; 407 - first tool head group; 408 - second tool head group connecting piece; 409 - second tool head group; 410 - second mounting seat; 411 - first mounting plate; 412 - second mounting plate; 500 - axial rotation structure; 501 - rotation motor; 502 - first rotation assembly; 503 - axial rotation frame; 800 - motion frame; 801 - first mounting frame; 802 - second mounting frame; 803 - first slide rail. DETAILED DESCRIPTION

[0019] The embodiments of the present application are described below in detail, examples of which are shown in the 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 drawings are exemplary only, for the purpose of explaining the present application, and should not be understood as a limitation of the present application.

[0020] 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 facilitating the description of 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.

[0021] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0022] First, if Figures 1-6 As shown, the present application provides a Y-axis transmission structure, including a motion frame 800, a longitudinal motion structure 200, an axial rotation structure 500, a first vertical linear motion structure 300, a second vertical linear motion structure 400 and an integrated tool head assembly; The motion frame 800 includes a first mounting frame 801, a second mounting frame 802 and a first slide rail 803; The second mounting frame 802 is vertically slidably connected to the first mounting frame 801 via the first slide rail 803. The first vertical linear motion structure 300 is fixedly connected to the first mounting frame 801. The first vertical linear motion structure 300 is in transmission connection with the second mounting frame 802. The first vertical linear motion structure 300 enables the second mounting frame 802 to move vertically linearly along the first slide rail 803. The axial rotation structure 500 is slidably connected to the second mounting bracket 802 via the longitudinal motion structure 200; The second vertical linear motion structure 400 is connected to the axial rotation structure 500 , and the axial rotation structure 500 can rotate the second vertical linear motion structure 400 ; the second vertical linear motion structure 400 is provided with an integrated cutter head group.

[0023] Among them, in the specific use process, the moving frame 800 can be installed on the frame of the entire processing machine tool equipment, so that the moving frame 800 can obtain stable support. The moving frame 800 is divided into two parts. The second mounting frame 802 is slidably connected to the first mounting frame 801 through the first slide rail 803. At the same time, driven by the first vertical linear motion structure 300, the second mounting frame 802 can perform vertical linear motion along the first slide rail 803, so that the second mounting frame 802 can adjust the vertical relative position with the first mounting frame 801 at any time; at this time, during the process of vertically adjusting the position of the second mounting frame 802, the second mounting frame 802 is connected to the first mounting frame 801 through the longitudinal motion structure 200 drives the axial rotation structure 500 to move vertically together; at this time, the longitudinal motion structure 200 can also drive the axial rotation structure 500 to move longitudinally, thereby adjusting the position; at the same time, the axial rotation structure 500 can also drive the second vertical linear motion structure 400 to rotate axially, thereby adjusting the angle of the second vertical linear motion structure 400; and the integrated tool head group connected to the second vertical linear motion structure 400 can perform angle and position adjustments in multiple directions during this process, thereby obtaining a flexible Y-axis transmission structure, which makes the integrated tool head group process the workpiece more refined and improves the processing accuracy.

[0024] 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. The top of the first screw rod 304 is rotationally connected 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 rotationally connected with the first mounting seat 302. The top end of the first mounting seat 302 is provided with a first motor 301. The first motor 301 drives the first screw rod 304 to rotate through a coupling. The first screw rod 304 drives the first vertical displacement part to move linearly along the first slide rail 803. The first vertical displacement part is fixedly connected with the second mounting frame 802.

[0025] In the first vertical linear motion structure 300, the first motor 301 drives the first screw rod 304 to rotate. In this process, the rotation direction and rotation number of the first motor 301 can be accurately controlled to control the rotation degree of the first screw rod 304, so that the first screw rod 304 drives the first vertical displacement part to move linearly along the first slide rail 803 accurately, and drives the components directly or indirectly connected with the first vertical displacement part to move linearly stably and accurately, thereby improving the vertical movement ability of the comprehensive tool head group and improving the machining precision.

[0026] The first vertical displacement part comprises a first screw rod pair 303. The first screw rod pair 303 is threadedly connected with the first screw rod 304. The second mounting frame 802 is provided with a first recess accommodating the first screw rod 304. The first screw rod pair 303 is fixedly connected with the top end of the first recess. The first screw rod 304 drives the first screw rod pair 303 to move linearly, so that the second mounting frame 802 moves linearly along the first slide rail.

[0027] In the first vertical displacement part, the first screw rod pair 303 is threadedly connected with the first screw rod 304, so that the rotation of the first screw rod 304 is converted into linear motion, so that the first screw rod pair 303 moves the second mounting frame 802 along the first slide rail 803 accurately and reliably. Meanwhile, the first screw rod 304 is located in the first recess of the second mounting frame 802. The top end of the first recess is fixedly connected with the first screw rod pair 303, which not only saves space, but also makes the movement of the second mounting frame 802 more stable, so that the second mounting frame 802 shakes less during vertical movement, thereby improving the machining precision.

[0028] The second mounting frame 802 is provided with an advancing platform for mounting the axial rotating structure 500. The longitudinal movement structure 200 comprises a longitudinal fixed part and a longitudinal displacement part. The longitudinal fixed part comprises a longitudinal motor 201, a longitudinal mounting frame 202, a longitudinal screw rod 203, a longitudinal fixed assembly 205, a longitudinal connecting assembly 206 and a longitudinal sliding rail 208. The mounting frame 202 is fixedly connected with the advancing platform through the longitudinal connecting assembly 206. The longitudinal fixed assembly 205 is located below the advancing platform. The mounting frame 202 and the longitudinal connecting assembly 206 are provided with longitudinal through holes for accommodating the longitudinal screw rod 203. The longitudinal screw rod 203 is rotationally connected with the fixed assembly 205 through the longitudinal through holes. The longitudinal motor 201 is fixedly connected with the longitudinal mounting frame 202. The longitudinal motor 201 is connected with the longitudinal screw rod 203. The longitudinal motor 201 drives the longitudinal screw rod 203 to rotate. The longitudinal sliding rail 208 is fixedly connected with the advancing platform. The longitudinal screw rod 203 drives the longitudinal displacement part to move linearly along the longitudinal sliding rail 208. The longitudinal displacement part is fixedly connected with the axial rotating structure 500.

[0029] The second mounting frame 802 is provided with an advancing platform for mounting the axial rotating structure 500. The longitudinal movement structure 200 comprises a longitudinal fixed part and a longitudinal displacement part. The longitudinal fixed part comprises a longitudinal motor 201, a longitudinal mounting frame 202, a longitudinal screw rod 203, a longitudinal fixed assembly 205, a longitudinal connecting assembly 206 and a longitudinal sliding rail 208. The mounting frame 202 is fixedly connected with the advancing platform through the longitudinal connecting assembly 206. The longitudinal fixed assembly 205 is located below the advancing platform. The mounting frame 202 and the longitudinal connecting assembly 206 are provided with longitudinal through holes for accommodating the longitudinal screw rod 203. The longitudinal screw rod 203 is rotationally connected with the fixed assembly 205 through the longitudinal through holes. The longitudinal motor 201 is fixedly connected with the longitudinal mounting frame 202. The longitudinal motor 201 is connected with the longitudinal screw rod 203. The longitudinal motor 201 drives the longitudinal screw rod 203 to rotate. The longitudinal sliding rail 208 is fixedly connected with the advancing platform. The longitudinal screw rod 203 drives the longitudinal displacement part to move linearly along the longitudinal sliding rail 208. The longitudinal displacement part is fixedly connected with the axial rotating structure 500.

[0030] The axial rotating structure 500 comprises an axial rotating frame 503. The longitudinal displacement part comprises a longitudinal screw rod movement pair 204, a longitudinal transmission assembly 207 and a longitudinal sliding block 209. The longitudinal transmission assembly 207 is fixedly connected with the axial rotating frame 503. The longitudinal screw rod movement pair 204 is threadedly connected with the longitudinal screw rod 203. The longitudinal sliding block 209 is fixedly connected with the bottom of the axial rotating frame 503. The longitudinal screw rod movement pair 204 is detachably connected with the longitudinal transmission assembly 207. The sliding block 209 is slidingly connected with the longitudinal sliding rail 208. The longitudinal screw rod movement pair 204 drives the axial rotating frame 503 to move linearly along the longitudinal sliding rail 208 through the transmission assembly 207.

[0031] The longitudinal displacement part in the longitudinal motion structure 200 performs linear motion under the driving of the longitudinal fixing part, so that the axial rotation structure 500 fixedly connected with the longitudinal displacement part can perform longitudinal motion along the advancing platform, so that the axial rotation structure 500 can perform longitudinal position adjustment, so that the second vertical linear motion structure 400 located on the axial rotation structure 500 can timely adjust the position during the machining process, and the precision during the machining process is improved.

[0032] The axial rotation structure 500 further comprises a rotating motor 501 and a first rotating assembly 502, the first rotating assembly 502 is fixedly connected with an axial rotating frame 503, and the rotating motor 501 is used for driving the first rotating assembly 502 to drive the second vertical linear motion structure 400 to rotate.

[0033] In the axial rotation structure 500, the axial rotating frame 503 is driven by the longitudinal motion structure 200 to perform longitudinal motion, so that the second vertical linear motion structure 400 connected with the first rotating assembly 502 performs rotation, so as to change the angle of the second vertical linear motion structure 400, so that the comprehensive tool head group connected with the second vertical linear motion structure 400 can have multiple direction tool entry angles, and the machining precision is further improved.

[0034] The second vertical linear motion structure 400 comprises a second vertical fixing part and a second vertical motion part, and the comprehensive tool head group comprises a second tool head group 409; the second vertical fixing part comprises a second motor 401, a second fixing assembly 402, a second lead screw 403, a second mounting seat 410 and a first mounting plate 411; the first mounting plate 411 is rotationally connected with the first rotating assembly 502, the top end of the first mounting plate 411 is fixedly connected with the second mounting seat 410, the second mounting seat 410 is fixedly connected with the body of the second motor 401, the power output end of the second motor 401 is connected with the second lead screw 403, the lower end of the second lead screw 403 is rotationally connected with the second fixing assembly 402, the second fixing assembly 402 is fixedly connected with the first mounting plate 411, and the second tool head group 409 is fixedly connected with the first mounting plate 411.

[0035] The second vertical fixing part in the second vertical linear motion structure 400 is rotationally connected with the first rotating assembly 502 in the axial rotation structure 500, so that not only the second vertical displacement part can be driven to perform angular deflection through rotation angle adjustment, but also the second tool head group 409 fixed on the first mounting plate 411 can preliminarily process the workpiece, so that the machining process of the workpiece is divided into steps and tool heads for cutting, so as to improve the machining precision.

[0036] The comprehensive tool head group further comprises a first tool head group 407; the second vertical movement part comprises a second screw rod movement pair 404, a second sliding rail 405 and a second mounting plate 412; the second screw rod movement pair 404 is threadedly connected with the second screw rod 403, the second mounting plate 412 is fixedly connected with the second screw rod movement pair 404, the second mounting plate 412 is slidably connected with the first mounting plate 411 through the second sliding rail 405, the second motor 401 drives the second mounting plate 412 to move linearly along the second sliding rail 405 through the second screw rod 403, and the first tool head group 407 is fixedly connected with the second mounting plate 412.

[0037] The first tool head group 407 fixedly connected with the second mounting plate 412 can provide more machining space when the workpiece needs to be precisely machined at a specific angle and a specific depth during machining, and further improves the adjustable machining range and machining precision.

[0038] The comprehensive tool head group further comprises a first tool head group connecting piece 406 and a second tool head group connecting piece 408; the first tool head group 407 is fixedly connected with the second mounting plate 412 through the first tool head group connecting piece 406, and the second tool head group 409 is fixedly connected with the first mounting plate 411 through the second tool head group connecting piece 408.

[0039] The first tool head group connecting piece 406 mainly avoids the influence of frequent replacement of the first tool head group 407 on the deformation of the second mounting plate and the precision; and the second tool head group connecting piece 408 mainly avoids the influence of frequent replacement of the second tool head group 409 on the deformation of the first mounting plate and the precision.

[0040] Secondly, the application provides a ball head mirror surface machine tool comprising the Y-axis transmission structure.

[0041] Although the description of the present application has been quite detailed and particularly described to the specific embodiments, it is not intended to be limited to any of these details or embodiments or any special embodiment, but should be considered as providing a broad possibility interpretation to the prior art by referring to the appended claims, so as to effectively cover the intended range of the present application. In addition, the above description of the present application is based on the embodiments that the applicant can foresee, and the purpose is to provide a useful description, and the non-essential modifications to the present application that have not been foreseen at present can still represent equivalent modifications of the present application.

Claims

1. A Y-axis transmission structure, characterized in that: It includes a motion frame, a longitudinal motion structure, an axial rotation structure, a first vertical linear motion structure, a second vertical linear motion structure and an integrated cutter head group; The motion frame includes a first mounting frame, a second mounting frame and a first slide rail; The second mounting frame is vertically slidably connected to the first mounting frame via the first slide rail, the first vertical linear motion structure is fixedly connected to the first mounting frame, the first vertical linear motion structure is transmission-connected to the second mounting frame, and the first vertical linear motion structure enables the second mounting frame to vertically linearly move along the first slide rail; The axial rotation structure is slidably connected to the second mounting bracket via the longitudinal motion structure; The second vertical linear motion structure is connected to the axial rotation structure, and the axial rotation structure can rotate the second vertical linear motion structure; the second vertical linear motion structure is provided with an integrated cutter head group.

2. A Y-axis transmission structure according to claim 1, characterized in that: 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 base, and the bottom end of the first screw rod is rotatably connected to the first mounting base; A first motor is installed at the top of the first mounting seat. The first motor rotates the first screw rod through a coupling. The first screw rod drives the first vertical displacement part to move linearly along the first slide rail. The first vertical displacement part is fixedly connected to the second mounting bracket.

3. A Y-axis transmission structure according to claim 2, 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 move linearly, so that the second mounting bracket moves linearly along the first slide rail.

4. A Y-axis transmission structure according to claim 3, characterized in that: The second mounting frame is provided with an advancing platform for mounting the axial rotation structure, and the longitudinal motion structure includes a longitudinal fixing part and a longitudinal displacement part, and the longitudinal fixing part includes a longitudinal motor, a longitudinal mounting frame, a longitudinal screw rod, a longitudinal fixing assembly, a longitudinal connecting assembly and a longitudinal slide rail; the mounting frame is fixedly connected to the advancing platform through the longitudinal connecting assembly, and the longitudinal fixing assembly is located below the advancing platform, and the mounting frame and the longitudinal connecting assembly are provided with a longitudinal through hole for accommodating the longitudinal screw rod to pass through, and the longitudinal screw rod passes through the longitudinal through hole and is rotatably connected to the fixing assembly; the longitudinal motor is fixedly connected to the longitudinal mounting frame, and the longitudinal motor is connected to the longitudinal screw rod, and the longitudinal motor drives the longitudinal screw rod to rotate, and the longitudinal slide rail is fixedly connected to the advancing platform, and the longitudinal screw rod drives the longitudinal displacement part to move linearly along the longitudinal slide rail, and the longitudinal displacement part is fixedly connected to the axial rotation structure.

5. A Y-axis transmission structure according to claim 4, characterized in that: The axial rotation structure includes an axial rotation frame; the longitudinal displacement part includes a longitudinal screw motion pair, a longitudinal transmission assembly and a longitudinal slider; the longitudinal transmission assembly is fixedly connected to the axial rotation frame, the longitudinal screw motion pair is threadedly connected to the longitudinal screw, the longitudinal slider is fixedly connected to the bottom of the axial rotation frame, the longitudinal screw motion pair is detachably connected to the longitudinal transmission assembly, and the slider is slidably connected to the longitudinal slide rail; the longitudinal screw motion pair drives the axial rotation frame to move linearly along the longitudinal slide rail through the transmission assembly.

6. A Y-axis transmission structure according to claim 5, characterized in that: The axial rotation structure further includes a rotating motor and a first rotating assembly. The first rotating assembly is fixedly connected to the axial rotating frame. The rotating motor is used to drive the first rotating assembly to drive the second vertical linear motion structure to rotate.

7. A Y-axis transmission structure according to claim 6, characterized in that: The second vertical linear motion structure includes a second vertical fixing part and a second vertical moving part, and the integrated cutter head group includes a second cutter head group; the second vertical fixing part includes a second motor, a second fixing assembly, a second screw rod, a second mounting seat and a first mounting plate; the first mounting plate is rotatably connected to the first rotating assembly, the top end of the first mounting plate is fixedly connected to the second mounting seat, the second mounting seat is fixedly connected to the body of the second motor, the power output end of the second motor is connected to the second screw rod, the lower end of the second screw rod is rotatably connected to the second fixing assembly, the second fixing assembly is fixedly connected to the first mounting plate, and the second cutter head group is fixedly connected to the first mounting plate.

8. The Y-axis transmission structure according to claim 7, characterized in that: The integrated cutter head group also includes a first cutter head group; the second vertical motion part includes a second screw motion pair, a second slide rail and a second mounting plate; the second screw motion pair is threadedly connected to the second screw, the second mounting plate is fixedly connected to the second screw motion pair, the second mounting plate is slidingly connected to the first mounting plate through the second slide rail, the second motor causes the second screw motion pair to drive the second mounting plate to move linearly along the second slide rail through the second screw, and the first cutter head group is fixedly connected to the second mounting plate.

9. The Y-axis transmission structure according to claim 8, characterized in that: The integrated cutter head group also includes a first cutter head group connecting member and a second cutter head group connecting member; the first cutter head group is fixedly connected to the second mounting plate via the first cutter head group connecting member, and the second cutter head group is fixedly connected to the first mounting plate via the second cutter head group connecting member.

10. A ball head mirror machine tool, characterized in that: It includes the Y-axis transmission structure described in any one of claims 1 to 9.

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