TWI666088B - Automatic polishing device - Google Patents

Abstract

An automatic grinding device includes a machine unit, a profiling unit, a driving member, and a work unit. The machine unit includes a work table and a support frame. The profiling unit has a curved profiling section. The profiling section is undulating along a second axis when extending along a first axis. The driving member corresponds to the profiling unit and is mounted on the support frame. The working unit includes a main body slidable along the first axis driven by the driving member, and a grinding group mounted on the main body, and the main body is slidable. The ground is set on the profiling unit. Starting the driving member can drive the main body to be guided by the profiling section, and drive the grinding group to generate relative undulations relative to the table along the second axis to achieve the purpose of profiling grinding.

Description

Automatic grinding device

The invention relates to a grinding device, in particular to an automatic grinding device suitable for a curved object.

There is a cylindrical lens grinding machine with spherical motion (Taiwan Certificate No. M533554), which includes a moving mechanism and a swing mechanism. The object to be ground is a cylindrical mirror and has a curved surface. The sliding mechanism is provided with a sliding table on a base, a fixture and a grinding table on the sliding table, and the swinging mechanism is an angle adjustment seat. A rotating shaft is arranged on the body. One end of the rotating shaft is close to the pushing mechanism and a swing arm is pivoted. The two ends of the actuator are respectively pivoted on the rotating shaft and the swing arm. The swing arm is above the pushing mechanism away from the end pivoted to the rotating shaft. A thimble is set, and the bottom end of the thimble abuts against the middle position of the grinding bowl. When a motor of the swing mechanism is started, and a swing block is driven to generate eccentric rotation, the reciprocating swing of a swing arm can drive the shaft to rotate back and forth within a certain angle, and the shaft drives the swing arm to adjust the base relative to the angle Rotating, the swing arm will drive the thimble and the grinding plate to slide back and forth relative to the curved surface of the object to be polished, so as to achieve the purpose of mirror polishing.

This type of grinder can only grind curved surfaces with the same curvature on the same mirror surface. It cannot be applied when different parts of the object to be polished have different fixed curvatures.

Therefore, an object of the present invention is to provide an automatic grinding device applicable to objects to be ground with different curvatures.

Therefore, the automatic grinding device of the present invention includes a machine unit, a contouring unit, a driving member, and a work unit. The machine unit includes a workbench and a support frame provided on one side of the workbench. The profiling unit extends along a first axial direction, and has a fixed end connected to the support frame, and one along the first An end opposite to the fixed end in the axial direction, and a curved contoured section interposed between the fixed end and the end, the contoured section also intersects the first when extending along the first axial direction. The second axial direction of the axial direction is undulating with respect to the fixed end and the end. The driving member corresponds to the profiling unit and is mounted on the support frame. The working unit includes a driving member that can be driven along the first axial direction. A sliding body, a guide provided on the body and sleeved on the profiling unit, and a grinding group installed on the body, the grinding group is installed on the body, and the guide is subjected to the profile section The guide can drive the grinding group to generate relative undulations relative to the table along the second axial direction.

The effect of the present invention lies in: utilizing the overall cooperation and activating the driving member can drive the main body to be guided by the contoured section, and drive the grinding group along the second axis Generates relative undulations relative to the table to achieve the purpose of contour grinding, which can be applied to objects with different curvatures.

1‧‧‧ object to be ground

101‧‧‧ Surface

10‧‧‧machine unit

11‧‧‧Workbench

111‧‧‧first side edge

112‧‧‧Second side edge

12‧‧‧Jig

13‧‧‧ support frame

131‧‧‧ post

132‧‧‧ Positioning Block

133‧‧‧Connecting board

134‧‧‧lead screw

135‧‧‧Handwheel

14‧‧‧rail parts

141‧‧‧Side

142‧‧‧track

143‧‧‧Low-end

144‧‧‧High-end

20‧‧‧ copying unit

215‧‧‧ abut

22‧‧‧ limit lever

H1‧‧‧First distance

H2‧‧‧Second Distance

30‧‧‧Driver

31‧‧‧cylinder

32‧‧‧Piston rod

40‧‧‧Working unit

41‧‧‧Subject

42‧‧‧Guide

421‧‧‧ Upper guide wheel

422‧‧‧Lower guide wheel

43‧‧‧ on seat

44‧‧‧ lower seat

430‧‧‧grinding group

431‧‧‧head

432‧‧‧Connector

433‧‧‧ pulley

434‧‧‧Power Parts

21‧‧‧ copy

211‧‧‧Fixed end

212‧‧‧End

213‧‧‧Shaped Section

214‧‧‧ profiling surface

435‧‧‧Grinding wheel

50‧‧‧Guide unit

51‧‧‧Guide

52‧‧‧roller

I‧‧‧ first axis

Ⅱ‧‧‧Second axis

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, wherein: FIG. 1 is a three-dimensional combined view of an embodiment of the automatic grinding device of the present invention; and FIG. 2 is a partial exploded view of the embodiment 3 is a front sectional view of the embodiment; FIG. 4 is a sectional view taken along line IV-IV in FIG. 3; FIG. 5 is an operation schematic diagram of the embodiment; and FIG. 6 is the embodiment Another operation diagram.

Referring to FIG. 1 and FIG. 2, an embodiment of an automatic grinding device according to the present invention is suitable for grinding an object 1 to be ground having a curved surface 101. The object 1 to be ground in this embodiment moves in an olive shape in cross section. The equipment column is taken as an example. The automatic grinding device includes a machine unit 10, a contouring unit 20, a driving member 30, a work unit 40, and a guide unit 50.

The machine unit 10 includes a work table 11, a plurality of jigs 12 installed on the work table 11 and capable of holding and positioning the object to be ground 1, and a first axis I disposed on one side of the work table 11. Support frame 13 and a guide fixed to the support frame 13 架 件 14。 Rail member 14. The table 11 has a first side edge 111 and a second side edge 112 opposite to the first side edge 111 along the first axis I. The support frame 13 has a pair of An upright post 131 extending in the second axial direction II of the axial direction I and fixed on the worktable 11, a positioning seat 132 movably mounted on the upright posts 131 along the second axial direction II, and connected to the A connecting plate 133 between the tops of the upright columns 131, a lead screw 134 with a shaft disposed on the connecting plate 133 and screwed on the positioning base 132, and a hand wheel 135 fixed on the lead screw 134, which can be driven by turning the hand wheel 135 The lead screw 134 rotates, and drives the positioning base 132 to move up and down relative to the worktable 11 along the second axis II. The rail member 14 has a pair of side plates 141 fixed to the positioning base 132 and a pair of arc-shaped tracks 142 respectively disposed on the side plates 141. Each of the tracks 142 has a The low end 143 of the second side edge 112 and a high end 144 opposite to the low end 143 and approaching the connecting plate 133. When the rails 141 extend from the low end 143 toward the high end 144, they gradually pass from the second The side edge 112 extends toward the first side edge 111.

The profiling unit 20 extends along the first axis I, and has a pair of rod-shaped profiling members 21 and a limiting rod 22 connected between the profiling members 21. 21 has a fixed end 211 detachably locked to the positioning base 132, an end 212 opposite to the fixed end 211 along the first axis I and intersecting with the limit rod 22, and an intervening end between the fixed end A curved contoured section 213 between 211 and the end 212, a contoured surface 214 extending from the fixed end 211 to the end 212, and a second axial direction II opposite to the contoured surface 214 Abutment surface 215, each profiled section 213 When extending along the first axis I, it also fluctuates relative to the fixed end 211 and the end 212 along the second axis II. The curves of the contoured sections 213 correspond to the curved surface 101 of the object 1 to be ground. As shown in FIG. 3, a first distance H1 between the fixed end 211 of the profiling member 21 and the worktable 11 is smaller than a second distance H2 between the end 212 and the worktable 11.

The driving member 30 corresponds to the profiling unit 20 and is mounted on the support frame 13. The driving member 30 of this embodiment uses a pressure cylinder and has a cylinder body 31 mounted on the positioning base 132, and a driving member 30 corresponding to the driving member 30. The cylinder 31 is a telescopic piston rod 32.

The working unit 40 includes a main body 41 driven by the driving member 30 and capable of sliding along the first axis I, a guide 42 disposed on the main body 41 and sleeved on the profiling unit 20, and a mounting member A grinding group 430 between the main body 41 and the guide member 14. The main body 41 has an upper seat 43, a lower seat 44 disposed along one side of the upper seat 43 along the second axis II, and a buffer group 45 connected between the upper seat 43 and the lower seat 44. The buffer group 45 has a plurality of outer tubes 451 fixed to the lower seat 44, a plurality of guide pins 452 fixed to the upper seat 43 and slidably passed through the outer pipes 451 along the second axis II, and most of them are respectively Springs 453 that are sleeved outside the outer tubes 451 and the guide pins 452 and spring against the upper seat 43 and the lower seat 44. The elastic force of the springs 453 keeps the lower seat 44 and the upper seat 43 constant. Away from the trend (see Figure 3 and Figure 4). The guide member 42 has a pair of upper guide wheels 421 whose shafts are disposed on the upper seat 43 and abut against the profiling surfaces 214 of the profiling members 21, and a pair of abutting surfaces 215 respectively. Lower guide wheel 422. The grinding group 430 has a head 431 pivotally connected to the lower seat 44, a connecting piece 432 connected to the head 431, and a shaft provided on the connecting piece 432 and slidably penetrating the rails 142. The pulley 433, the head 431 has a power piece 434 (motor), and a grinding wheel 435 driven by the power piece 434. The guide 42 is guided by the contoured sections 213, which can drive the main body 41 The grinding group 430 generates relative undulations along the second axis II with respect to the table 11 and the object to be ground 1.

The guide unit 50 is installed between the driving member 30 and the work unit 40. The guide unit 50 includes a guide plate 51 installed on the piston rod 32 and extending along the second axis II, and most of the guide units The second axis II interval axis is provided on the rollers 52 of the main body 41, and the rollers 52 abut against the guide plate 51.

In order to further understand the function, technical means, and expected effects of the various elements of the present invention, the following description is further described, and it is believed that the present invention will have a deeper and more specific understanding.

As shown in FIG. 1 and FIG. 3 again, it is shown that the main body 41 of the working unit 40 is located between the contoured section 213 and the fixed end 211, and the piston rod 32 of the driving member 30 is retracted relative to the cylinder 31 The grinding wheel 435 of the grinding group 430 is closest to the support frame 13, and the pulley 433 is located at the low end 143 of the rails 142. At this time, the grinding wheel 435 is closer to the work table 11 and corresponds to the object to be ground. 1 on one side.

As shown in FIG. 5, when the power member 434 of the work unit 40 is activated and the grinding wheel 435 is rotated, the piston rod 32 of the driving member 30 is also activated relative to the cylinder 31. Extend, the piston rod 32 will push the working unit 40 as a whole along the first axis I and move from the fixed ends 211 to the ends 212. At this time, the upper guide wheels 421 of the guides 42 are subjected to The guiding of the contoured surfaces 214 and the role of the lower guide wheels 422 against the abutting surface 215, the guides 42 will drive the main body 41 to follow the contours of the contoured components 21 The curvature of the segment 213 changes to generate an undulating motion along the second axis II, and the main body 41 performs the grinding operation along the curved surface 101 of the object 1 in conjunction with the grinding wheel 435 of the grinding group 430. At the same time, the pulley 433 of the work unit 40 will also be guided by the rails 142 and climb from the low end 143 to the high end 144, and maintain the contact area of the end surface of the grinding wheel 435 and the curved surface 101 of the object 1 to be ground. The size does not change.

When the grinding wheel 435 grinds the curved surface 101 of the object 1 to be grounded, the provision of the buffer group 45 and the elastic force of the springs 453 can cause the grinding wheel 435 to contact the object 1 to produce a preliminary The pressure can keep the grinding wheel 435 in constant contact with the object 1 (see FIG. 4).

As shown in FIG. 6, when the piston rod 32 that starts the driving member 30 continues to extend relative to the cylinder 31, the piston rod 32 will push the working unit 40 to approach the ends 212. The upper guide wheel 421 of the guide member 42 is guided by the contoured surfaces 214 to drive the main body 41 along the second axis II to generate relative undulations with respect to the table 11, and the main body 41 in turn links the grinding group A grinding wheel 435 of 430 performs a grinding operation along the second axis II and along the curved surface 101 of the object 1 to be ground. At the same time, the pulley 433 of the work unit 40 is also guided by the rails 142 to move the high end 144.

With reference to FIG. 4, while the working unit 40 moves along the contours 21, because the main body 41 will rise and fall along the second axis II, the arrangement of the guide unit 50 and The waiting roller 52 will roll with respect to the guide plate 51, and can guide the main body 41 along a fixed rising and falling path to ensure the stability of the head 431.

Therefore, as shown in FIG. 3, FIG. 5, and FIG. 6, by using the driving of the driving member 30 and the guiding member 42 of the work unit 40 being guided by the contouring members 21, the grinding group 430 can be driven. The expected grinding path is generated according to the shaping of the contoured sections 213, and the desired grinding effect can be produced for different parts of the object to be ground with different contour shapes. When the object 1 to be ground with different shapes of the curved surface 101 is to be ground, it is only necessary to replace the different shaped parts 21, and the applicability is quite wide.

In addition to different types of abrasive objects 1 or different types of abrasive objects 1, in addition to replacing different profiled parts 21, the hand wheel 135 can be operated and the positioning base 132 can be driven along the second axis. ⅡIt can be applied to a variety of different sizes or types of abrasive objects when it is raised and lowered.

In summary, the automatic grinding device of the present invention can be applied to objects with different curved surfaces by using the overall cooperation, and is simple to operate and easy to manufacture.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, any scope of patent application and patent description according to the present invention The simple equivalent changes and modifications made in the content of the book are still within the scope of the patent of the present invention.

Claims (8)

An automatic grinding device includes: a machine unit including a workbench and a support frame provided on one side of the workbench; a contouring unit extending along a first axial direction and having a connection to the support A fixed end of the frame, an end opposite to the fixed end along the first axis, and a curved contoured section between the fixed end and the end, the contoured section extending along the first axial direction It also fluctuates relative to the fixed end and the end along a second axis that intersects the first axis; a driving member corresponding to the contouring unit and mounted on the support frame; and a working unit including a A main body driven by the driving member to slide along the first axis, a guide provided on the main body and sleeved on the profiling unit, and a grinding group installed on the main body, the guide is subjected to the The guide of the profiled section can drive the main body and the grinding group to generate relative undulations relative to the table along the second axis. The automatic grinding device according to claim 1, wherein the driving member adopts a pressure cylinder, and has a cylinder body mounted on the support frame, and a piston rod which is retractable relative to the cylinder body. The guide unit includes a guide unit installed between the driving member and the working unit. The guide unit includes a guide plate installed on the piston rod and extending along the second axial direction, and most of the guide units are spaced along the second axial direction. When the shaft is arranged on the roller of the main body, the rollers abut against the guide plate, and when the main body and the grinding group generate relative undulations relative to the table along the second axial direction, the rollers roll relative to the guide plate. . The automatic grinding device according to claim 1, wherein the profiling unit includes a pair of profiling members in a rod shape, and a limiting rod connected between the profiling members, the fixed end, the end And the profiling section is disposed on each profiling part, and a first distance between the fixed end of each profiling part and the workbench is smaller than a second distance between the end and the workbench, each A profiling member also has a profiling surface extending from the fixed end to the end. The automatic grinding device according to claim 3, wherein each of the profiling elements of the profiling unit further has an abutting surface opposite to the profiling surface, and the guide member of the work unit has a pair of abutting respectively. The upper guide wheels on the profiling surfaces of the profiling pieces, and a pair of lower guide wheels respectively abutting on the abutting surfaces. The automatic grinding device according to claim 1, wherein the machine unit further includes a guide piece provided on the support frame, the guide piece has an arc-shaped track, and the grinding group has a pivotal connection to the main body. A machine head, a connecting member connected to the machine head, and a pulley provided with the shaft on the connecting member and slidably passing through the tracks. The automatic grinding device according to claim 5, wherein the table of the machine unit has a first side edge and a second side edge opposite to the first side edge along the first axis, and the guide rail The piece also has a pair of side plates, and the tracks are respectively provided with arc-shaped tracks on each of the tracks. Each track has a lower end approaching the second side edge of the table, and a lower end opposite to the lower end. And approaching the high end of the contouring unit, the rails gradually extend from the second side edge toward the first side edge when extending from the low end toward the high end. The automatic grinding device according to claim 1, wherein the support frame of the machine unit has a pair of upright columns extending along the second axial direction and fixed to the workbench, and a ground that is movable along the second axial direction. A positioning base sleeved on the upright posts, a connecting plate connected between the top ends of the upright posts, and a lead screw whose shaft is provided on the connecting plate and screwed on the positioning base, and the profiling unit is installed on the positioning The seat drives the guide screw to rotate to drive the positioning seat and the profiling unit to rise and fall relative to the worktable along the second axis. The automatic grinding device according to claim 1, wherein the main body of the work unit has an upper seat, a lower seat disposed along the second axis on one side of the upper seat, and a connection between the upper seat and the lower seat. Between the buffer group, the guide member is disposed on the upper seat, the grinding group is installed on the lower seat, the buffer group has a plurality of outer tubes fixed to the lower seat, a plurality of branches are fixed to the upper seat, and can be along the second seat Guide pins that are axially slid through the outer tubes, and most springs that are sleeved outside the outer tubes and the guide pins and spring against the upper seat and the lower seat, respectively. The constant elastic force tends to keep the lower seat away from the upper seat.