CN108857843B

CN108857843B - Automatic polishing machine

Info

Publication number: CN108857843B
Application number: CN201810969225.6A
Authority: CN
Inventors: 刘江; 张文斌
Original assignee: Shenzhen Wulibo Intelligent Technology Co ltd
Current assignee: Shenzhen Wulibo Intelligent Technology Co ltd
Priority date: 2018-08-23
Filing date: 2018-08-23
Publication date: 2024-04-30
Anticipated expiration: 2038-08-23
Also published as: CN108857843A

Abstract

The invention relates to an automatic polishing machine, which comprises: tool mechanism, polishing subassembly and frame. In the jig assembly, the link rod assembly comprises a plurality of rotating shafts and connecting rods which are arranged along the X direction and a plurality of translation shafts which are arranged along the Y direction; the positioning piece supporting frames of the plurality of jigs are provided with first through holes in the X direction and second through holes in the Y direction; the plurality of jigs are arranged in opposite rows and/or columns; the rotating shaft passes through a row of first through holes, and when the rotating shaft rotates around the central shaft under the action of the rotating driving component, the jig is driven to rotate and incline around the rotating shaft; the translation shaft passes through a row of second through holes and is fixedly connected with the connecting rod, and the connecting rod drives the jig to rotate and incline around the hinging piece arranged in the Y direction when being translated along the X direction under the action of the translation driving component, and the workpiece is polished by the upper polishing head component in the inclination process; the automatic polishing machine has the advantages that the structure is simple, the plurality of jigs can be adjusted to enable the jigs to incline simultaneously and the inclination degree is consistent, and the arc-shaped chamfer or arc surface with excellent quality is obtained.

Description

Automatic polishing machine

Technical Field

The invention relates to the field of polishing equipment, in particular to an automatic polishing machine.

Background

The existing polishing machine is used for polishing the plane of a workpiece, but with the increasing requirements of people on the refinement and diversification of polishing products, besides plane polishing, the polishing requirements of arc-shaped chamfer or arc-shaped surface are generated by users. Taking a glass screen of an electronic product as an example, when the edge of the glass screen is processed by an arc chamfering polishing process, more comfortable hand feeling can be obtained, and the appearance is more attractive.

In the traditional arc polishing effect, an arc-shaped chamfer or an arc surface is processed in a plane light sweeping mode, the processing precision of the obtained arc-shaped chamfer or arc surface is low, and deformation is easy to cause. In order to accurately and efficiently process the edge of the workpiece by the polishing head, a certain inclination angle is required between the polishing head and the edge of the workpiece, so that a jig for positioning the workpiece is required to be inclined. The existing jigs incline and are adjusted through jacking pieces, when the machining efficiency is to be improved, and when a plurality of jigs incline at the same time, if the original jacking piece adjusting mode is still adopted, the inclination degree of each jig is difficult to keep consistent, the uniformity of polishing effect among all workpieces is further difficult to keep, and the structure is complex and the efficiency is low.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic polishing machine, and by utilizing the device, a plurality of jigs can be adjusted by a simple structure, so that the jigs can incline at the same time and the inclination degree is consistent, and the polishing effect among workpieces is uniform while the workpieces are processed by arc-shaped chamfer or arc surface with excellent quality.

The technical scheme adopted by the invention for solving the technical problems is as follows:

An automatic polisher, comprising: the polishing device comprises a frame, a polishing assembly and a polishing device, wherein the frame is divided into an upper layer and a lower layer, the polishing assembly is arranged on the upper layer of the frame and comprises a polishing head; at least one group of jig mechanisms are installed on the lower layer of the frame, and each group of jig mechanisms comprises:

The jig assembly comprises a plurality of jigs, each jig comprises a positioning piece and a positioning piece supporting frame, and the positioning piece supporting frame is positioned below the positioning piece and fixedly connected with the positioning piece; a first through hole arranged in the X direction and a second through hole arranged in the Y direction are formed in the positioning piece supporting frame, and the first through hole and the second through hole are staggered along the Z direction; the plurality of jigs are arranged in opposite rows and/or columns;

the connecting rod assembly comprises a plurality of rotating shafts and connecting rods which are arranged along the X direction and a plurality of translation shafts which are arranged along the Y direction, the rotating shafts penetrate through a row of first through holes and are connected with the first through holes through hinging pieces which are arranged along the Y direction, and when the rotating shafts rotate around the central shafts of the rotating shafts, the jig rotates around the rotating shafts to incline; the translation shafts penetrate through one row of the second through holes, a plurality of translation shafts are fixedly connected with the connecting rods, and when the connecting rods translate along the X direction and further drive the translation shafts to displace along the X direction, the jig rotates and inclines around the hinge piece;

The driving assembly comprises a translation driving assembly and a rotation driving assembly, the translation driving assembly drives the connecting rod to translate, and the rotation driving assembly drives the rotation shaft to rotate.

In a preferred embodiment, the polishing assembly further comprises:

the primary platform is in sliding connection with the secondary platform below through the K-direction sliding component; the secondary platform is in sliding connection with the lower base frame body through a J-direction sliding component;

the J-direction displacement assembly is fixedly arranged on the rack and drives the secondary platform to perform J-direction displacement through the J-direction sliding assembly;

the K-direction displacement assembly is fixedly arranged on the secondary platform and drives the primary platform to carry out K-direction displacement through the K-direction sliding assembly;

the Z-type displacement assembly is characterized in that one end of the Z-type displacement assembly is fixedly connected with the primary platform, the other end of the Z-type displacement assembly extends to the lower side of the primary platform, the lowest end of the Z-type displacement assembly is connected with the polishing head assembly, and the Z-type displacement assembly drives the polishing head assembly to perform Z-type displacement.

In a preferred embodiment, the polishing solution filling and circulating groove for accommodating the jig mechanism is further formed, the polishing solution Cheng Zailiu circulating groove comprises a body, an opening is formed above the body, and a side wall plate and a lower bottom plate of the body form a filling space for the polishing solution; when the workpiece is positioned in the containing space, the height of the side wall plate is always higher than that of the workpiece; the side wall plate and/or the lower bottom plate are/is provided with a polishing solution inlet hole, and the side wall plate and/or the lower bottom plate are/is provided with a polishing solution outlet hole.

In a preferred embodiment, the jig mechanism comprises a mounting bracket, the mounting bracket comprises a bottom plate and wall plates perpendicular to the bottom plate, the two wall plates are opposite in the X direction, and two ends of the rotating shaft are respectively hinged on the two wall plates; and synchronous pulleys are arranged at the end parts of the rotating shafts, and synchronous belts are sleeved between the synchronous pulleys adjacent to the rotating shafts.

In a preferred embodiment, two connecting rods are arranged, one connecting rod is fixedly connected with the first ends of the translation shafts, and the other connecting rod is fixedly connected with the tail ends of the translation shafts; the two ends of each connecting rod are respectively supported by through holes in the two wall plates, and the two connecting rods penetrate through the end parts of the same side of the wall plates and are connected through connecting plates.

In a preferred embodiment, an X-direction screw is provided, one end of the X-direction screw is rotatably connected with the adjacent wall plate through a bearing, and the other end of the X-direction screw passes through the connecting plate and is supported by a bearing seat; the connecting plate is connected with the X-direction screw rod through a screw rod nut arranged in the X direction; and the translation driving assembly drives the X-direction screw rod to rotate.

In a preferred embodiment, the Z-stage displacement assembly comprises a primary Z-stage displacement assembly and a secondary Z-stage displacement assembly, wherein the upper part of the primary Z-stage displacement assembly is connected with the primary platform, a tertiary platform is connected between the primary Z-stage displacement assembly and the secondary Z-stage displacement assembly, the lower part of the secondary Z-stage displacement assembly is connected with a quaternary platform, and the quaternary platform is fixedly connected with the lower polishing head assembly through a vertical connecting rod.

In a preferred embodiment, the polishing head assembly comprises a sixth rotating motor, wherein the sixth rotating motor drives a mounting seat central shaft arranged in the Z direction to rotate through a gear transmission structure, and the mounting seat central shaft drives a polishing head mounting seat fixedly connected with the mounting seat central shaft to rotate; the polishing heads are arranged at the bottoms of the polishing head mounting seats; the polishing head mounting seat is internally provided with a primary gear and a secondary gear, and the primary gear is coaxial with the central shaft of the mounting seat and is fixedly arranged on the central shaft of the mounting seat; the polishing head comprises a polishing head mounting seat, a plurality of secondary gears, a polishing head and a polishing head, wherein the secondary gears are meshed with the primary gears, through holes are formed in the polishing head mounting seat, the center positions of the secondary gears are fixedly connected with central shafts respectively, and the lower end of each central shaft penetrates through each through hole and is fixedly connected with one polishing head.

In a preferred embodiment, the lower base plate comprises a flat base plate and a transition plate, the flat base plate and the side wall plate are connected through the transition plate, the transition plate comprises an inclined section and a straight section which are connected with each other, the inclined section is connected with the flat base plate, the straight section is connected with the side wall plate, and the inclined section is inclined to the upper side far from the flat base plate; the straight section comprises a first straight section and a second straight section, the first straight section is connected with the inclined section, the second straight section is connected with the side wall plate, and a vertical baffle is arranged at the joint of the first straight section and the second straight section.

In a preferred embodiment, the inclined sections, the first straight sections, the second straight sections and the side wall panels of the transition plate are distributed in this order from the middle of the bottom plate to the two sides in the direction of a set of opposite sides of the bottom plate; the middle position of the flat bottom plate is downwards recessed to form a groove, and the bottom plate of the mounting bracket is mounted in the groove; the polishing solution inlet holes are arranged on a group of opposite side walls of the groove, and the polishing solution outlet holes are arranged on the first straight section and the second straight section.

The beneficial effects of the invention are as follows:

In the jig mechanism, the link rod assembly comprises a plurality of rotating shafts and connecting rods which are arranged along the X direction and a plurality of translation shafts which are arranged along the Y direction; the driving assembly comprises a translation driving assembly and a rotation driving assembly; the fixture assembly comprises a plurality of fixtures, and a first through hole arranged in the X direction and a second through hole arranged in the Y direction are formed in a positioning piece supporting frame of the plurality of fixtures; the plurality of jigs are arranged in opposite rows and/or columns; the rotating shaft passes through a row of first through holes and is hinged with the first through holes through a hinge piece arranged in the Y direction, and when the rotating shaft rotates under the action of the rotating driving component, the jig is driven to rotate and incline around the rotating shaft; the translation shaft passes through a row of second through holes and is fixedly connected with the connecting rod, and when the connecting rod translates along the X direction under the action of the translation driving assembly, the jig is driven to rotate and incline around the hinge piece; during tilting of the jig, each edge of the workpiece is polished by a polishing head in the upper polishing head assembly. The automatic polishing machine is simple in structure, a plurality of jigs can be adjusted to incline simultaneously, the inclination degree is consistent, arc-shaped inverted edges or arc surfaces with excellent quality are obtained, and polishing effects among workpieces are uniform.

Drawings

The invention is further described below with reference to the drawings and examples.

FIG. 1 is a schematic view of the composition of an embodiment of the present invention;

FIG. 2 is a schematic diagram of an embodiment of a jig assembly according to the present invention;

FIG. 3 is a schematic view of the embodiment of FIG. 2 with the bottom plate removed;

FIG. 4 is a schematic view of the structure of one embodiment of the polishing assembly and a portion of the frame of the present invention;

FIG. 5 is a schematic diagram of one embodiment of a Z-displacement assembly of the embodiment of FIG. 4;

FIG. 6 is a schematic diagram of one embodiment of a J-displacement assembly of the embodiment of FIG. 4;

FIG. 7 is an enlarged view of a portion of FIG. 4A;

FIG. 8 is an exploded schematic view of one embodiment of the polishing head assembly of the embodiment of FIG. 4;

FIG. 9 is a schematic view showing the structure of an embodiment of a slurry-containing flow-through tank according to the present invention;

Fig. 10 is a schematic view of the structure of another view of fig. 9.

Detailed Description

The conception, specific structure, and technical effects produced by the present application will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present application. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in the present invention are merely with respect to the mutual positional relationship of the constituent elements of the present invention in the drawings unless otherwise specified.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any combination of one or more of the associated listed items.

Fig. 1 is a schematic structural view of an embodiment of the present invention, fig. 2 is a schematic structural view of an embodiment of the jig assembly of the present invention, fig. 3 is a schematic structural view of an embodiment of the polishing assembly and a part of the frame of the present invention after removal of the bottom plate of the embodiment of fig. 2, fig. 4 is a schematic structural view of an embodiment of the Z-displacement assembly of the embodiment of fig. 4, fig. 6 is a schematic structural view of an embodiment of the J-displacement assembly of the embodiment of fig. 4, fig. 7 is a partially enlarged view of an embodiment of the polishing head assembly of the embodiment of fig. 4, fig. 8 is a schematic structural view of an embodiment of the polishing liquid containing flow-through groove of the embodiment of the present invention, and fig. 10 is a schematic structural view of another view of fig. 9. Referring to fig. 1 to 10, the automatic polishing machine includes:

Jig assembly 1, link assembly 2, drive assembly 3, mounting bracket 4, frame 5, primary stage platform 6, secondary stage platform 7,K to slide assembly 8,J to slide assembly 9,J to displacement assembly 10, k to displacement assembly 11, z to displacement assembly 12, polishing head assembly 13, tertiary stage platform 14, quaternary stage platform 15, vertical connecting rod 16 and guide connecting shaft 17.

Also shown in fig. 2 are the X-direction, Y-direction, and Z-direction in the XYZ space rectangular coordinate system introduced in the present invention; also shown in fig. 4 are the J, K and Z directions in JKZ spatial rectangular coordinate system introduced in the present invention, wherein the XY plane and JK plane are parallel to each other; more preferably, the X direction is in the same direction as the J direction, and the Y direction is in the same direction as the K direction; or the X direction and the K direction are in the same direction, and the Y direction and the J direction are in the same direction.

In the invention, the frame 5 is divided into an upper layer and a lower layer, the polishing component is arranged on the upper layer of the frame 5, at least one group of jig mechanisms are arranged on the lower layer of the frame 5, and the polishing component is positioned above the jig mechanisms.

Each group of jig mechanism comprises a jig assembly 1, a link assembly 2, a driving assembly 3 and a mounting bracket 4. Here, the jig assembly 1 includes a plurality of jigs, each of which includes a positioning member 101 and a positioning member supporting frame 102, and the positioning member supporting frame 102 is fixedly connected below the positioning member 101. The positioning frame support frame 102 is provided with a first through hole 103 in the X direction and a second through hole 104 in the Y direction, and the first through hole 103 and the second through hole 104 are staggered along the Z direction; meanwhile, the plurality of jigs are arranged in opposite rows and/or columns, so that the first through holes 103 of the jigs in the same row are opposite to each other, and the second through holes 104 of the jigs in the same column are opposite to each other.

The link rod assembly 2 comprises a plurality of rotating shafts 20, a connecting rod 21 and a translation shaft 22, wherein the rotating shafts 20 and the connecting rod 21 are arranged along the X direction, and the translation shaft 22 is arranged along the Y direction; a rotating shaft 20 passes through a row of first through holes 103 and is hinged with the first through holes 103 through a hinge piece arranged in the Y direction, when the rotating shaft 20 rotates around a central shaft of the rotating shaft, the positioning piece support frame 102 is driven to rotate around the rotating shaft 20 to incline, namely, a workpiece on a jig is driven to rotate around the X direction to incline; one translation shaft 22 passes through a row of second through holes 104, and simultaneously a plurality of translation shafts 22 are fixedly connected with the connecting rod 21, and when the connecting rod 21 translates along the X direction, the plurality of translation shafts 22 are driven to translate along the X direction, and then the positioning piece supporting frame 102 is driven to rotate around the hinge piece to incline, and the workpiece on the jig is driven to rotate around the Y direction to incline.

The driving assembly 3 comprises a translation driving assembly and a rotation driving assembly, wherein the translation driving assembly drives the connecting rod 21 to perform X-direction translation, and the rotation driving assembly drives the rotation shaft 20 to rotate.

The link assembly 2 and the driving assembly 3 are mounted on the mounting bracket 4.

The tilting jig mechanism has a simple structure, can simultaneously adjust the tilting of at least one row or one column of jigs, ensures that the tilting degree of each jig is consistent, ensures that the edge of a workpiece to be polished, which is tilted to a high position, is subjected to the polishing action of the polishing head in the upper polishing assembly, and processes an arc-shaped chamfer or an arc surface with excellent quality in the tilting process. Taking rectangular plate glass as an example, one group of opposite sides of the rectangular plate glass are sequentially positioned at a high position when the positioning piece support frame 102 rotates and inclines around the rotating shaft 20, and the other group of opposite sides of the rectangular plate glass are sequentially positioned at a high position when the positioning piece support frame 102 rotates and inclines around the first through hole 103, and four sides of the rectangular plate glass can be polished by the polishing head when the rectangular plate glass inclines to the high position, so that arc-shaped reversed sides with excellent quality are formed.

Here, it is preferable that the first through hole 103 is located directly below the second through hole 104, or that the second through hole 104 is located directly below the first through hole 103. In this embodiment, as shown in fig. 2 and 3, it is preferable that the first through hole 103 is located directly above the second through hole 104, because when the first through hole 103 is located directly above, the distance between the first through hole 103 and the positioning member 101 is short, and when the rotating shaft 20 drives the positioning member supporting frame 102 to rotate, the rotating force arm of the rotating shaft 20 from the workpiece on the positioning member 101 is short, so that the magnitude of the rotation tilt of the workpiece is relatively easy to control.

Here, when the workpiece to be polished is a thin, brittle or material with a surface easily scratched, for example, when the workpiece to be polished is sheet glass, the positioning member 101 is provided with a plurality of air holes 105, the plurality of air holes 105 are communicated with a vacuum air source (not shown in the figure), and when the vacuum air source works, the positioning member 101 adsorbs and fixes the sheet glass on the positioning member 101 through the air holes 105.

In this embodiment, the rotation shaft 20 is preferably hinged with the first through hole 103 by a hinge member provided in the Y direction. Here, the hinge is preferably a hinge shaft 106 of a simple structure. It is of course also possible here to provide a connecting sleeve between the rotation shaft 20 and the first through-hole 103, the circumferential outer wall of which sleeve is provided with a projection in the Y-direction, which projection is in contact with the first through-hole 103

The concave holes arranged on the inner wall are matched, so that the hinge connection of the rotating shaft 20 and the first through hole 103 is realized.

A gap B exists between the rotating shaft 20 and the inner wall of the first through hole 103 in the Z direction; when the translation shaft 22 is displaced in the X direction under the action of the connecting rod 21, the positioning member supporting frame 102 is tilted around the hinge member, and at this time, the gap B leaves enough space for the rotation shaft 20 to tilt, so as to prevent the rotation shaft 20 and the inner wall of the first through hole 103 from being damaged due to mutual extrusion.

In the present invention, preferably, the mounting bracket 4 includes a bottom plate 40 and a wall plate 41 perpendicular to the bottom plate 40, the two wall plates 41 are opposite along the X direction, two ends of the rotating shaft 20 are respectively hinged on the two wall plates 41, the end of the rotating shaft 20 is provided with the synchronous pulley 31, and the synchronous belt 32 is sleeved between the synchronous pulleys 31 of adjacent rotating shafts 20. When one rotating shaft 20 rotates under the action of the rotating driving assembly in the driving assembly 3, each row of jigs can simultaneously rotate and incline, and the inclination angles are consistent, so that the uniformity of polishing effects among a plurality of workpieces to be polished is improved. Here, preferably, a tensioning wheel 33 may be disposed beside the synchronous belt 32, and the synchronous belt 32 is tensioned by adjusting the tensioning wheel 33, so as to ensure the accuracy of transmission.

Here, the rotation driving unit of the driving unit 3 may include a first rotary motor 30, and the first rotary motor 30 rotates the rotation shaft 20.

In this embodiment, preferably, two connecting rods 21 are provided, one connecting rod 21 is fixedly connected with the head ends of the translation shafts 22, the other connecting rod 21 is fixedly connected with the tail ends of the translation shafts 22, and two ends of each connecting rod 21 are respectively supported by through holes in two wall plates 41; the ends of the two links 21 on the same side passing through the wall plate 41 are connected by the connecting plate 23 so that the displacements of the two links 21 are synchronized. At this time, when the connecting rod 21 translates along the X direction, the plurality of translation shafts 22 synchronously move along the X direction, and each row of jigs 10 can simultaneously rotate and incline around the Y axis, and the inclination angles are consistent, so that the uniformity of the polishing effect among the plurality of workpieces to be polished is further improved.

In this embodiment, preferably, an X-direction screw 24 is provided, one end of the X-direction screw 24 is rotatably connected to an adjacent wall plate 41 through a bearing (not labeled in the figure), and the other end passes through the connecting plate 23 and is supported by the bearing seat 25; the connecting plate 23 is connected with the X-direction screw 24 through a screw nut 26 arranged in the X direction, and a translation driving component in the driving component 3 drives the X-direction screw 24 to move.

Here, preferably, the second rotating motor 34 may be provided to directly drive the X-direction screw 24 to rotate, or the output end of the second rotating motor 34 and the X-direction screw 24 are both provided with a transmission gear 35, and a transmission chain 36 is sleeved between the transmission gears 35 of the two. When the second rotating motor 34 drives the X-direction screw 24 to rotate through the transmission gear 35 and the transmission chain 36, the screw nut 26 arranged in the X-direction drives the connecting plate 23 to translate along the X-direction, the connecting plate 23 drives the connecting rod 21 to translate along the X-direction, and at this time, the translation shaft 22 synchronously translates along the X-direction in the second through hole 104, so as to realize the rotation and inclination of the positioning piece support frame 102 around the Y-direction.

In the present invention, as shown in fig. 4 to 8, preferably, a primary platform 6, a secondary platform 7 and a frame 5 are sequentially arranged from top to bottom along the Z direction, wherein the primary platform 6 and the secondary platform 7 are slidably connected through a K-direction sliding assembly 8, and the secondary platform 7 and the frame 5 are slidably connected through a J-direction sliding assembly 9.

Meanwhile, a J-direction displacement assembly 10 is fixedly arranged on the frame 5, and the J-direction displacement assembly 10 can drive the secondary platform 7 to perform J-direction displacement through a J-direction sliding assembly 9; the secondary platform 7 is fixedly provided with a K-way displacement assembly 11, and the K-way displacement assembly 11 can drive the primary platform 6 to carry out K-way displacement through the K-way sliding assembly 8; one end of the Z-direction shifting component 12 is fixedly connected with the primary platform 6, the other end extends to the lower side of the primary platform 6, the lowest end of the Z-direction shifting component 12 is connected with the polishing head component 13, and the Z-direction shifting component 12 drives the polishing head component 13 to perform Z-direction shifting. The structure can enable the polishing head assembly 13 to respectively carry out position adjustment in J, K, Z directions under the action of the J-displacement assembly 10, the K-displacement assembly 11 and the Z-displacement assembly 12, thereby improving the precision of the relative position between the polishing head and the workpiece to be polished and further improving the machining precision of the polishing head; meanwhile, the structure is convenient and quick when the position of the polishing head assembly 13 in the J, K, Z direction is adjusted, and the alignment efficiency of the polishing position is high.

Here, preferably, the J-direction sliding component 9 and the K-direction sliding component 8 each include a slide rail, and the slide rail has a simple structure and stable and reliable sliding connection.

Here, when the displacement stroke of the J-displacement component 10 and the K-displacement component 11 is sufficiently large, a plurality of sets of jig mechanisms can be arranged at the lower layer of the frame 5, so that one set of polishing component corresponds to a plurality of sets of jig mechanisms, when the polishing component processes workpieces in one set of jig mechanisms, other sets of jig mechanisms can perform feeding and discharging operations on the workpieces, so that the automatic polishing machine does not need to stop for feeding and discharging the jig mechanisms, and the polishing component can continuously operate among the plurality of sets of jig mechanisms, thereby remarkably improving the working efficiency of the automatic polishing machine.

In this embodiment, the Z-displacement assembly 12 preferably includes a primary Z-displacement assembly 80 and a secondary Z-displacement assembly 81, wherein the upper side of the primary Z-displacement assembly 80 is connected to the primary stage 6 and the lower side of the primary Z-displacement assembly 80 is connected to the tertiary stage 14; meanwhile, the upper part of the second-stage Z-direction shifting assembly 81 is connected with the third-stage platform 14, and the lower part of the second-stage Z-direction shifting assembly 81 is connected with the fourth-stage platform 15 arranged below; the four-stage platform 15 is fixedly connected with the polishing head assembly 13 below through a vertical connecting rod 16.

The Z-displacement assembly 12 comprises a first-stage Z-displacement assembly 80 and a second-stage Z-displacement assembly 81, so that the polishing head assembly 13 can be driven to move up and down in two stages, and a larger adjusting range is provided in the vertical direction; when the polishing head assembly 13 is upwards displaced along the Z direction to a larger vertical distance from the lower workpiece to be polished, the polishing head in the polishing head assembly 13 is convenient to replace, and the workpiece to be polished is convenient to feed and discharge.

Here, preferably, the first stage Z displacement assembly 80 includes a third rotating motor 801, a first screw 802 and a second screw 803, where the third rotating motor 801 is fixedly disposed on the first stage platform 6, the first screw 802 is horizontally disposed and connected with the third rotating motor 801 through a transmission chain and a gear, the second screw 803 is disposed in the Z direction, the first screw 802 and the second screw 803 are meshed and driven, the first screw 802 is driven by the third rotating motor 801 and driven to the second screw 803 to rotate, and the lower part of the second screw 803 is hinged with the third stage platform 14 and drives the third stage platform 14 to lift, so as to implement the first stage lifting motion.

Further, the second-stage Z displacement assembly 81 includes a linear cylinder 810 fixedly arranged on the third-stage platform 14, an output end of the linear cylinder 810 is fixedly connected with the fourth-stage platform 15 through a connecting shaft 811, and the linear cylinder 810 drives the fourth-stage platform 15 to lift during operation, so as to complete the second-stage lifting motion.

Preferably, in the above structure, the guiding connecting shaft 17 is arranged between the primary platform 6 and the tertiary platform 14 in the Z direction, and when the primary Z-direction displacement assembly 80 drives the tertiary platform 14 to perform Z-direction displacement, the guiding connecting shaft 17 plays a role in connecting and guiding the tertiary platform 14 at the same time, so that the overall stability of the structure is improved.

Similarly, a guiding connecting shaft 17 is arranged between the three-stage platform 14 and the four-stage platform 15 in the Z direction, and when the two-stage Z-direction displacement assembly 81 drives the four-stage platform 15 to perform Z-direction displacement, the guiding connecting shaft 17 plays a role in connecting and guiding the four-stage platform 15 at the same time, so that the overall stability of the structure is improved.

Here, preferably, as shown in fig. 1 and 6, the output end of the fourth rotating motor 501 in the J-displacement assembly 10 is fixedly connected with the third screw 502, the first screw nut 503 is matched with the third screw 502, a first connecting plate 504 is provided here, one end of the first connecting plate 504 is fixedly connected with the first screw nut 503, and the other end is fixedly connected with the secondary platform 7; when the third screw 502 is acted by the fourth rotating motor 501 to drive the first screw nut 503 to displace, the first connecting plate 504 fixedly connected to the first screw nut 503 drives the secondary platform 7 to displace J through the J-displacement assembly 10, and the polishing head assembly 13 displaces J.

Similarly, as shown in fig. 1 and 7, the K displacement assembly 11 includes a fifth rotating motor 701, an output end of which is fixedly connected with a fourth screw 702, a second screw nut 703 is matched with the fourth screw 702, a second connecting plate 704 is disposed therein, one end of the second connecting plate 704 is fixedly connected with the first screw nut 703, and the other end is fixedly connected with the first stage platform 6; when the fourth screw 702 is acted by the fifth rotating motor 701 to drive the second screw nut 703 to displace, the second connecting plate 704 fixedly connected to the second screw nut 703 drives the first stage platform 6 to displace in the K direction through the K displacing assembly 11, and at this time, the polishing head assembly 13 displaces in the K direction.

The transmission structure is simple and reliable, can be assembled by using standard components, and has high economic performance.

In this embodiment, preferably, as shown in fig. 1 and 8, the polishing head assembly 13 includes a sixth rotating motor 901, the sixth rotating motor 901 drives a mounting seat central shaft 902 disposed in a Z direction to rotate through a gear transmission structure, the mounting seat central shaft 902 drives a polishing head mounting seat 903 fixedly connected with the mounting seat central shaft to rotate, a plurality of polishing heads 904 are disposed at the bottom of the polishing head mounting seat 903, and the polishing heads 904 perform polishing operation on a workpiece to be polished in the process of rotating along with the polishing head mounting seat 903.

More preferably, a primary gear (not shown) and a secondary gear 905 are provided in the polishing head mount 903, wherein the primary gear is coaxial with the mount center shaft 902 and the primary gear is fixedly mounted on the mount center shaft 902; meanwhile, a plurality of secondary gears 905 are meshed with the primary gears, through holes 906 are formed in the polishing head mounting seats 903, the center positions of the secondary gears 905 are fixedly connected with central shafts 907 respectively, and the lower end of each central shaft 907 penetrates through each through hole 906 to be fixedly connected with one polishing head 904; at this time, when the mounting seat central shaft 902 drives the primary gear and then drives the secondary gear 905 to rotate, each polishing head 904 realizes rotation around the respective central shaft 907, and simultaneously the polishing head 904 revolves around the mounting seat central shaft 902 along with the polishing head mounting seat 903, and the polishing head 904 moves in a plane along with the J-displacement assembly 10 and the K-displacement assembly 11 while rotating and revolving, so that the operation frequency of the polishing head 904 is improved, the polishing path is densified, and the polishing efficiency of the polishing assembly capable of multi-directional displacement in the invention is further improved.

Further, an annular tooth structure 908 with an inner ring as teeth may be fixedly disposed on the inner wall of the polishing head mounting seat 903, and an outer ring of the annular tooth structure 908 is fixedly connected with the inner wall of the polishing head mounting seat 903, and the teeth of the inner ring of the annular tooth structure 908 are simultaneously meshed with the teeth of the plurality of secondary gears 905. The primary gear and the ring gear structure 908 are both meshed with the secondary gear 905, so that stability of the secondary gear 905 in revolution and rotation is improved, and polishing precision of the polishing head 904 which is controlled to rotate by the secondary gear 905 is improved.

In this example, as shown in fig. 1, 9 and 10, preferably, the polishing solution Cheng Zailiu containing the jig mechanism is further included, the polishing solution Cheng Zailiu containing groove includes a body, an opening is provided above the body to provide a channel for the workpiece to be polished on the jig mechanism by the polishing head assembly 13, the body includes a side wall plate C and a lower bottom plate D, the side wall plate C and the lower bottom plate D together form a containing space for the polishing solution, and the side wall plate C and the lower bottom plate D can be fixedly connected or integrally formed, and here, the integral forming is preferred, so that the sealing performance of the containing space is better.

The jig mechanism is arranged on the lower bottom plate D, when the jig mechanism limits the workpiece to be in the containing space, the height of the side wall plate C is always higher than that of the workpiece, and the polishing solution can completely submerge the workpiece when sufficient polishing solution is introduced into the containing space.

The sidewall plate C and/or the lower plate D are provided with a slurry inlet hole 94, and the slurry inlet hole 94 communicates with a slurry supply device (not shown) through which slurry in the slurry supply device enters the body through the slurry inlet hole 94.

The sidewall plate C and/or the lower plate D are provided with a polishing liquid outflow hole 95, the polishing liquid outflow hole 95 is communicated with a recycling device (not shown), and the polishing liquid in the body is discharged to the recycling device through the polishing liquid outflow hole 95.

Here, preferably, on-off valves 96 may be further provided on the polishing liquid inlet hole 94 and the polishing liquid outlet hole 95, respectively, to conveniently control the inlet and outlet of the polishing liquid in the body.

In the above structure, the polishing liquid enters the containing space formed by the body through the polishing liquid inlet hole 94, and when the polishing head 904 performs polishing operation on the workpiece to be polished in the body through the opening above the body, the workpiece to be polished is immersed in the polishing liquid in the body for a long time and is acted by the polishing liquid; simultaneously, the polishing solution inlet hole 94 and the polishing solution outlet hole 95 are opened, the polishing solution in the body is continuously circulated and updated, the flow rate is controlled to ensure that the flow rate of the polishing solution flowing out of the body in the same period is not greater than the flow rate of the polishing solution flowing into the body, preferably, the flow rate of the polishing solution flowing out of the body in the same period is equal to the flow rate of the polishing solution flowing into the body, the workpiece is always immersed in the polishing solution and is fully acted by the polishing solution, and the utilization efficiency of the polishing solution is improved.

In this embodiment, the lower base plate D preferably includes a flat base plate 110 and a transition plate 111, and the flat base plate 110 and the side wall plate C are connected by the transition plate 111. The transition plate 111 generally has a certain inclination to facilitate the flow of the polishing liquid. Here, it is preferable that the transition plate 111 includes an inclined section 1110 and a flat section 1111 connected to each other, wherein the inclined section 1110 is connected to the flat bottom plate 110, the flat section 1111 is connected to the side wall plate C, and the inclined section 1110 is inclined away from the upper side of the flat bottom plate 110 to facilitate the flow of the polishing liquid.

Here, preferably, the straight section 1111 includes a first straight section 1111a and a second straight section 1111b, wherein the first straight section 1111a is connected with the inclined section 1110, and the second straight section 1111b is connected with the side wall plate C; a vertical baffle 97 is provided at the junction of the first straight section 1111a and the second straight section 1111 b. Setting a vertical baffle 97 is equivalent to setting a middle threshold, when the liquid level is lower than the upper end of the vertical baffle 97 in the process of increasing the volume of the polishing liquid in the body, the volume of the polishing liquid does not reach the middle threshold, and when the liquid level is higher than the upper end of the vertical baffle 97, the volume of the polishing liquid is greater than the middle threshold, so that secondary increase is formed; similarly, in the process of reducing the volume of the polishing liquid in the body, secondary liquid discharge is formed through the intermediate threshold value. The structure is convenient for a user to control the volume of the polishing solution in the body within a reasonable numerical range, and the polishing solution is fully utilized.

Here, it is preferable that a through hole 140 is provided at the top of the vertical shutter 97 to make the degree of change in the volume of the polishing liquid in the vicinity of the intermediate threshold gentle.

In this embodiment, it is preferable that the inclined section 1110, the first flat section 1111a of the flat section 1111, the second flat section 1111b of the flat section 1111, and the side wall plate C of the transition plate 111 are distributed in this order from the middle flat bottom plate 110 to the both sides in the direction of a set of opposite sides of the lower bottom plate D. In the embodiment shown in fig. 9 and 10, the lower plate D of the body is rectangular, and four sides thereof are respectively connected to a side wall plate C, and the upper ends of the side wall plates C are inclined in a direction away from the center of the lower plate D.

More preferably, the intermediate position of the flat bottom plate 110 is recessed downward to form a groove, a plurality of slurry inlet holes 94 are provided on a set of opposite side walls of the groove, and a plurality of slurry outlet holes 95 are provided on the first straight section 1111a and the second straight section 1111 b.

In use, the slurry inlet 94 is opened, the slurry containing the particulate slurry is introduced into the recess, and when the recess is filled with the slurry, the slurry flows over the inclined section 1110 to the first flat section 1111a, and flows out of the slurry outlet 95 formed in the first flat section 1111 a. When the workpiece to be polished in the holding space is displaced along with the tiltable jig mechanism in the Z direction, in order to ensure that the polishing liquid always submerges the workpiece to be polished, the height of the liquid level in the holding space needs to be increased, and at this time, the polishing liquid outflow hole 95 formed in the first straight section 1111a is closed, so that the polishing liquid overflows the vertical baffle 97, reaches the second straight section 1111b, and the liquid level rises along the side wall plate C. At this time, the polishing liquid outflow hole 95 opened in the second straight section 1111b is opened, and the polishing liquid thereby flows out of the body. The structure can improve the utilization efficiency of the polishing solution and can adjust the liquid level of the polishing solution in the body according to the requirement. The slurry inlet holes 94 are disposed at a set of opposed side walls of the recess and are not aligned so that slurry in the body is agitated as it enters from the slurry inlet holes 94 to prevent the deposition of particulate slurry in the slurry.

The structure is beneficial to the circulation update of the polishing solution in the body, and the polishing solution can fully flow through and act on the workpiece which is positioned in the middle and limited by the workpiece fixture.

Here, preferably, the middle of the first straight section 1111a and the second straight section 1111b is a concave plate E, and the polishing liquid inlet hole 94 and the polishing liquid outlet hole 95 are provided on the concave plate E for easy processing; and a slope plate F is arranged between the two ends of the concave flat plate E and the other two side wall plates C, so that the polishing solution can flow easily.

While the preferred embodiment of the present application has been described in detail, the present application is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present application, and the equivalent modifications or substitutions are included in the scope of the present application as defined in the appended claims.

Claims

1. An automatic polisher, comprising: the polishing device comprises a frame, a polishing assembly and a polishing device, wherein the frame is divided into an upper layer and a lower layer, the polishing assembly is arranged on the upper layer of the frame and comprises a polishing head; at least one group of jig mechanisms are installed on the lower layer of the frame, and each group of jig mechanisms comprises:

The mounting bracket comprises a bottom plate and wall plates perpendicular to the bottom plate, the two wall plates are opposite in the X direction, and two ends of the rotating shaft are respectively hinged to the two wall plates; the end parts of the rotating shafts are provided with synchronous pulleys, and synchronous belts are sleeved between the synchronous pulleys adjacent to the rotating shafts;

The driving assembly comprises a translation driving assembly and a rotation driving assembly, the translation driving assembly drives the connecting rod to translate, and the rotation driving assembly drives the rotation shaft to rotate;

the polishing assembly further comprises:

The primary platform is in sliding connection with the secondary platform below through the K-direction sliding component; the secondary platform is in sliding connection with the frame body of the rack below through a J-direction sliding component;

One end of the Z-direction shifting component is fixedly connected with the primary platform, the other end of the Z-direction shifting component extends to the lower side of the primary platform, the lowest end of the Z-direction shifting component is connected with the polishing head component, and the Z-direction shifting component drives the polishing head component to perform Z-direction shifting;

The Z-stage displacement assembly comprises a primary Z-stage displacement assembly and a secondary Z-stage displacement assembly, wherein the upper part of the primary Z-stage displacement assembly is connected with the primary platform, a tertiary platform is connected between the primary Z-stage displacement assembly and the secondary Z-stage displacement assembly, the lower part of the secondary Z-stage displacement assembly is connected with a quaternary platform, and the quaternary platform is fixedly connected with the lower polishing head assembly through a vertical connecting rod.

2. The automatic polishing machine according to claim 1, wherein: the polishing solution containing and circulating groove is used for containing the polishing solution of the jig mechanism, the polishing solution Cheng Zailiu circulating groove comprises a body, an opening is formed above the body, and a side wall plate and a lower bottom plate of the body form a containing space of the polishing solution; when the workpiece is positioned in the containing space, the height of the side wall plate is always higher than that of the workpiece; the side wall plate and/or the lower bottom plate are/is provided with a polishing solution inlet hole, and the side wall plate and/or the lower bottom plate are/is provided with a polishing solution outlet hole.

3. The automatic polishing machine according to claim 2, wherein: the jig mechanism further comprises a connecting plate, and the connecting plate is arranged on one side of the wallboard, which is away from the positioning piece; two connecting rods are arranged, one connecting rod is fixedly connected with the head ends of the translation shafts, and the other connecting rod is fixedly connected with the tail ends of the translation shafts; the two ends of each connecting rod are respectively supported by through holes in the two wall plates, and the two connecting rods penetrate through the end parts of the same side of the wall plates and are connected through the connecting plates.

4. An automatic polishing machine according to claim 3, wherein: an X-direction screw rod is arranged, one end of the X-direction screw rod is rotatably connected with the adjacent wall plate through a bearing, and the other end of the X-direction screw rod penetrates through the connecting plate and is supported by a bearing seat; the connecting plate is connected with the X-direction screw rod through a screw rod nut arranged in the X direction; and the translation driving assembly drives the X-direction screw rod to rotate.

5. The automatic polishing machine according to claim 1, wherein: the polishing head assembly comprises a rotating motor, the rotating motor drives a mounting seat central shaft arranged in the Z direction to rotate through a gear transmission structure, and the mounting seat central shaft drives a polishing head mounting seat fixedly connected with the mounting seat central shaft to rotate; the polishing heads are arranged at the bottoms of the polishing head mounting seats; the polishing head mounting seat is internally provided with a primary gear and a secondary gear, and the primary gear is coaxial with the central shaft of the mounting seat and is fixedly arranged on the central shaft of the mounting seat; the polishing head comprises a polishing head mounting seat, a plurality of secondary gears, a polishing head and a polishing head, wherein the secondary gears are meshed with the primary gears, through holes are formed in the polishing head mounting seat, the center positions of the secondary gears are fixedly connected with central shafts respectively, and the lower end of each central shaft penetrates through each through hole and is fixedly connected with one polishing head.

6. The automatic polishing machine according to claim 2, wherein: the lower bottom plate comprises a flat bottom plate and a transition plate, the flat bottom plate is connected with the side wall plate through the transition plate, the transition plate comprises an inclined section and a straight section which are connected with each other, the inclined section is connected with the flat bottom plate, the straight section is connected with the side wall plate, and the inclined section is inclined to the upper side far from the center of the flat bottom plate; the straight section comprises a first straight section and a second straight section, the first straight section is connected with the inclined section, the second straight section is connected with the side wall plate, and a vertical baffle is arranged at the joint of the first straight section and the second straight section.

7. The automatic polishing machine according to claim 6, wherein: the inclined sections, the first straight sections, the second straight sections and the side wall plates of the transition plate are distributed in sequence from the middle flat bottom plate to the two sides in the direction of a group of opposite sides of the lower bottom plate; the middle position of the flat bottom plate is downwards recessed to form a groove, and the bottom plate of the mounting bracket is mounted in the groove; the polishing solution inlet holes are arranged on a group of opposite side walls of the groove, and the polishing solution outlet holes are arranged on the first straight section and the second straight section.