CN108857751B

CN108857751B - Stone polisher

Info

Publication number: CN108857751B
Application number: CN201810738660.8A
Authority: CN
Inventors: 李福山
Original assignee: Quanzhou Xianxing Machinery Manufacturing Co ltd
Current assignee: Quanzhou Xianxing Machinery Manufacturing Co ltd
Priority date: 2018-07-06
Filing date: 2018-07-06
Publication date: 2021-01-26
Anticipated expiration: 2038-07-06
Also published as: CN108857751A

Abstract

The invention provides a stone polisher which comprises a rack, a clamping workbench, a transverse moving frame, a lifting frame, a transverse moving driving device, a lifting driving device and a main polishing machine, wherein the main polishing machine comprises a polishing support, a rotating rod, a rotary driving device, a fixed gear or a fixed chain wheel, a supporting plate, a sector plate, an arc-shaped rack or a chain and a polishing assembly, one end of the supporting plate, far away from the rotating rod, is rotatably connected to the polishing support, a rotary connecting shaft between the supporting plate and the polishing support is coaxially arranged with a central shaft of the sector plate, the sector plate and the rotating rod are vertically arranged, and the fixed gear is meshed with the arc-shaped rack or the fixed chain wheel is meshed with the chain. According to the grinding main machine, the grinding component can swing along with the supporting plate, so that when the curved surface position is ground, the grinding tool on the grinding component can be well contacted with the stone, and the grinding effect is relatively good.

Description

Stone polisher

Technical Field

The invention relates to stone processing equipment, in particular to a stone polisher.

Background

After the cutting of stone products such as stone railings is completed, the surfaces of the stone products are usually required to be polished, so that the stone products have a bright effect.

The utility model discloses a chinese utility model patent that grant publication number is CN202985302U discloses a full-automatic profile modeling dysmorphism polisher, bear the mechanism including profile modeling grinding mechanism and stone material, profile modeling grinding mechanism sets up in the stand left and right sides, and synchronous motion's bracing piece by stand and mutual symmetry and constitutes, the tip of bracing piece is provided with the rotatory grinding machine by the circulator control, grinding machine's work end sets up the grinding apparatus, stone material bearing mechanism is two, is located the left and right sides of stand respectively. Although the grinding machine can realize the grinding treatment of stone products, the arrangement angle of the grinding tool of the copying special-shaped grinding machine is fixed, when the curved surface of the stone is ground, the grinding part of the grinding tool is difficult to be always attached to the stone, and the grinding effect is relatively poor.

In view of the above, the applicant has made an intensive study on the structure of a stone grinding machine, and has made the present invention.

Disclosure of Invention

The invention aims to provide a stone polisher which is relatively high in production efficiency and relatively good in polishing effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

a stone polisher comprises a frame, a clamping workbench arranged on the frame, a transverse moving frame horizontally slidably connected on the frame, a lifting frame vertically slidably connected on the transverse moving frame, a transverse moving driving device used for driving the transverse moving frame to move, a lifting driving device used for driving the lifting frame to move, and a polishing host arranged on the lifting frame, wherein the polishing host comprises a polishing support, a rotating rod rotatably connected on the polishing support, a rotating driving device used for driving the rotating rod to rotate, a fixed gear or a fixed chain wheel fixedly connected on the rotating rod, a support plate positioned below the rotating rod, a sector plate fixedly connected on the support plate, an arc rack or a chain fixedly connected at the outer edge of the sector plate, and a polishing assembly arranged on the support plate, one end of the support plate far away from the rotating rod is rotatably connected on the polishing support, and a rotating connecting shaft between the supporting plate and the grinding support is coaxially arranged with a central shaft of the sector plate, the sector plate is vertically arranged with the rotating rod, and the fixed gear is meshed with the arc-shaped rack or the fixed sprocket is meshed with the chain.

As an improvement of the present invention, the polishing assembly includes a driving pulley and a driven pulley respectively rotatably connected to the supporting plate, a polishing motor for driving the driving pulley to rotate, a sliding plate slidably connected to the supporting plate, a tensioning pulley rotatably connected to the sliding plate, a tensioning cylinder for driving the sliding plate to slide, and a flexible polishing belt sequentially wound around the driving pulley, the driven pulley and the tensioning pulley, wherein the driving pulley, the driven pulley and the tensioning pulley are located on a same plane, and the plane is perpendicular to the sector plate.

As an improvement of the present invention, the number of the supporting plates is multiple, each of the supporting plates is located on the same plane, and each of the supporting plates is provided with one polishing assembly, the polishing support is provided with a partition plate at a position between two adjacent supporting plates, a connecting rod is fixedly connected between two adjacent supporting plates, and the connecting rod is rotatably connected to the corresponding partition plate.

As an improvement of the invention, the support plate is also provided with a cooling water pipe with a downward water outlet.

As an improvement of the invention, the clamping workbench comprises a clamping bracket, a fixed seat arranged on the clamping bracket, a movable seat horizontally and slidably connected to the clamping bracket, a base positioned between the fixed seat and the movable seat, a supporting seat horizontally and slidably connected to the base, a workbench frame horizontally and slidably connected to the supporting seat, a distance adjusting driving device for driving the movable seat to slide, a lifting cylinder with a cylinder body fixedly connected to the base, and a reciprocating cylinder with a cylinder body fixedly connected to the supporting seat, the sliding direction of the supporting seat and the sliding direction of the movable seat are arranged in parallel, the sliding direction of the workbench frame and the sliding direction of the supporting seat are arranged vertically, and a piston rod of the lifting cylinder is vertically arranged downwards, and a piston rod of the reciprocating cylinder is horizontally arranged and fixedly connected with the workbench frame.

As an improvement of the present invention, the number of the supporting seats is two, the working rack comprises two rack rods and a connecting sleeve located between the two rack rods, the two rack rods and the two supporting seats are matched in a one-to-one manner, the two rack rods are respectively and fixedly connected with screws which are arranged oppositely and have opposite spiral directions, two ends of the connecting sleeve are respectively provided with threaded holes matched with the corresponding screws, and each screw is respectively and spirally connected in the corresponding threaded hole.

As an improvement of the invention, a material plate is arranged on the frame rod, and an arc-shaped groove or a trapezoidal groove for placing a workpiece is formed in the material plate.

As an improvement of the present invention, a rotary chuck and a chuck motor for driving the rotary chuck to rotate are arranged on the fixed seat, a movable chuck matched with the rotary chuck and a chuck cylinder for driving the movable chuck to move towards or away from the rotary chuck are arranged on the movable seat, and a tip portion for abutting against a workpiece is arranged at one end of the movable chuck facing the rotary chuck.

As an improvement of the invention, a lock rod for fastening the movable chuck is arranged on the movable seat.

As an improvement of the present invention, the fixed seat is further provided with a material ejecting cylinder, a piston rod of the material ejecting cylinder faces the movable seat, a material ejecting plate is fixedly connected to the piston rod of the material ejecting cylinder, the material ejecting plate is provided with a sliding hole, and the rotary chuck is inserted into the sliding hole.

By adopting the technical scheme, the invention has the following beneficial effects:

1. according to the grinding main machine, the grinding component can swing along with the supporting plate, so that when the curved surface position is ground, the grinding tool on the grinding component can be well contacted with the stone, the production efficiency is relatively high, the quality is stable, and the grinding effect is relatively good.

2. The flexible grinding belt is adopted to replace a grinding head used by the traditional grinding equipment, the deformation capacity belt of the flexible grinding belt is utilized to ensure that the stone and the grinding tool are in tight entrance and exit, and the grinding effect is further improved.

3. According to the clamping workbench, the working table frame, the lifting cylinder and the reciprocating cylinder are arranged, after a stone to be machined is placed at one end of the working table frame, the stone can be conveyed to the position below the clamping station by the reciprocating cylinder, then lifted to the clamping station by the lifting cylinder, the stone is clamped by the movable seat through movement, after machining is completed, the stone is conveyed to the other end of the working table frame by the reciprocating cylinder, automatic feeding and discharging can be achieved, the use is convenient, in a plurality of grinding processes, the automatic station replacement of the stone with machining can be achieved, and the production efficiency is relatively high.

Drawings

FIG. 1 is a schematic view of a profiling polishing apparatus according to a first embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at position A;

FIG. 3 is a schematic view of a partially expanded structure of the flexible sanding belt according to the first embodiment;

FIG. 4 is a sectional view of the flexible sanding belt according to the first embodiment;

FIG. 5 is a schematic diagram of the position of the profiling device in the first embodiment;

FIG. 6 is a schematic partial structure diagram of a clamping table according to a first embodiment;

FIG. 7 is a partially expanded structural view of the flexible sanding belt according to the third embodiment;

FIG. 8 is a partial schematic structural view of a clamping table according to a third embodiment;

fig. 9 is a schematic structural view of a feeding device in the third embodiment.

Parts and components are omitted in the drawing, and the drawing numbers correspond to the following:

100-a frame; 200-clamping a workbench;

210-a clamping bracket; 220-a fixed seat;

221-spin chuck; 223-a jacking plate;

230-a movable seat;

231-a movable chuck; 232-locking bar;

250-a base; 251-a support seat;

252-a work bench; 253-a reciprocating cylinder;

254-lifting cylinder; 255-frame rod;

256-connecting sleeves; 257-material plate;

258-screw; 260-distance adjusting driving device;

300-a profiling device; 310-a die backing seat;

320-a profiling bracket; 330-regulating the motor;

340-adjusting screw rods; 350-a profiling contact;

400-a transverse moving frame; 500-lifting frame;

600-a traverse driving device; 610-traversing lead screw;

700-a lift drive; 710-lifting screw rod;

800-grinding the host; 810-grinding the bracket;

820-rotating rod; 830-a rotary drive;

840-fixed sprocket; 850-a support plate;

860-sector plates; 870-a chain;

880-grinding the component; 881-driving pulley;

882-driven pulley; 883-grinding motor;

884-skateboard; 885-tension pulley;

886-tensioning cylinder; 890-flexible sanding belt;

891-a belt; 892-grinding layer;

893-through grooves; 894-grinding block;

895-transverse groove; 896-oval convex particles;

910-adjusting rod; 911-adjusting sleeve;

912-bolts; 920-a feeding device;

921-bottom bar; 922-a mandril;

923-a first link; 924-a second link;

925-pedal; 926-sliding rail.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

The first embodiment.

As shown in fig. 1 to 6, the profiling polishing apparatus provided in this embodiment comprises a frame 100, a control module (not shown), a clamping table 200 and a profiling device 300 disposed on the frame 100, a traverse frame 400 horizontally slidably connected to the frame 100, a lifting frame 500 vertically slidably connected to the traverse frame 400, a traverse driving device 600 for driving the traverse frame 400 to move, a lifting driving device 700 for driving the lifting frame 500 to move, and a polishing main machine 800 disposed on the lifting frame 500, wherein the control module is a conventional module, and is directly available from the market, and is not a key point of this embodiment, and will not be described in detail herein. It should be noted that the clamping table 200 in this embodiment may also be used in other stone processing equipment, and the grinding host 800 may also be used independently, that is, this embodiment substantially also provides a clamping table and a grinding host for stone processing equipment.

The profiling device 300, the traverse driving device 600, the lifting driving device 700 and the grinding host 800 are respectively in communication connection with the control module so that the control module can control the working sequence of the corresponding device, that is, the working sequence of each device is controlled by the control module.

The clamping workbench 200 comprises a clamping support 210, a fixed seat 220 arranged on the clamping support 210, a movable seat 230 horizontally and slidably connected on the clamping support 210, a base 250 positioned between the fixed seat 220 and the movable seat 230, a supporting seat 251 horizontally and slidably connected on the base 250, a workbench frame 252 horizontally and slidably connected on the supporting seat 251, a distance adjusting driving device 260 for driving the movable seat 230 to slide, a lifting cylinder 253 with a cylinder body fixedly connected on the base 250, and a reciprocating cylinder 254 with a cylinder body fixedly connected on the supporting seat 251, wherein the clamping support 210 can be independent of the machine frame 100 and can also be fixedly connected or integrally connected with the machine frame 100. The distance adjusting drive 260 is a motor drive, and is commercially available in whole groups. The sliding direction of the supporting seat 251, the sliding direction of the movable seat 230 and the sliding direction of the transverse moving frame 400 are arranged in parallel, the sliding direction of the working table frame 252 and the sliding direction of the supporting seat 251 are arranged vertically, in addition, the piston rod of the lifting cylinder 253 is arranged vertically downwards, the piston rod of the reciprocating cylinder 254 is arranged horizontally and is fixedly connected with the working table frame 252, thus the working table frame 252 can be driven to lift through the lifting cylinder 253, and the working table frame 252 is driven to horizontally reciprocate through the reciprocating cylinder 254.

Preferably, in this embodiment, the supporting seat 251 has two, the working table 252 includes two frame rods 255 and a connecting sleeve 256 located between the two frame rods 255, each frame rod 255 is provided with a material plate 257, the material plate 257 is provided with an arc-shaped groove or a trapezoidal groove for placing a workpiece, of course, the arc-shaped groove or the trapezoidal groove on each material plate 257 is plural, and the specific number can be determined according to the number of times of polishing required by the stone to be processed. The two rack bars 255 and the two supporting seats 251 are matched one-to-one, that is, each rack bar 255 is slidably connected to the corresponding supporting seat 251, and the length direction of the rack bar 255 is the same as the sliding direction thereof. In addition, the two frame rods 255 are fixedly connected with screws 258 which are arranged oppositely and have opposite spiral directions, two ends of the connecting sleeve 256 are respectively provided with a threaded hole matched with the corresponding screw 258, and each screw 258 is respectively and spirally connected in the corresponding threaded hole. The distance between the two support bases 255 can be adjusted by rotating the connecting sleeve 256, and of course, in the process of adjusting the distance, the support bases 251 can be pulled by the support bases 255 to slide in opposite directions or in opposite directions, so as to ensure that the support bases 255 can slide on the corresponding support bases 251, and if necessary, a stopping mechanism can be arranged on the support bases 251 to prevent the support bases 251 from sliding when the distance is not adjusted.

The fixed seat 220 is provided with a rotating chuck 221 and a chuck motor (not shown) for driving the rotating chuck 221 to rotate, and the specific transmission connection structure between the chuck motor and the bracket of the rotating chuck 221 is a conventional structure, such as a gear transmission. The movable base 230 is provided with a movable chuck 231 engaged with the rotary chuck 221 and a chuck cylinder (not shown) for driving the movable chuck 231 to move toward or away from the corresponding rotary chuck 221, specifically, a piston rod of the chuck cylinder is horizontally arranged and arranged parallel to the sliding direction of the traverse frame 400, the piston rod of the chuck cylinder is fixedly connected to the movable chuck 231, and the movable chuck 231 is horizontally and slidably connected to the movable base 230. The end of the movable clamp 231 facing the spin clamp 221 has a tip for abutting against a workpiece. In addition, a locking bar 232 for fastening the movable clamp 231 is further provided on the movable seat 230. Of course, there are a plurality of the rotating chucks 221 and the movable chucks 231 corresponding to each other, and specifically, in the present embodiment, the number of the rotating chucks 221 and the movable chucks 231 is one less than the number of the arc-shaped grooves or the trapezoidal grooves on the material plate 257.

Preferably, the fixed seat 220 is further provided with a material ejecting cylinder (not shown in the figure), a piston rod of the material ejecting cylinder faces the movable seat 230, a material ejecting plate 223 is fixedly connected to the piston rod of the material ejecting cylinder, a sliding hole is formed in the material ejecting plate 223, and the rotary chuck 221 is inserted in the sliding hole. It should be noted that, although all the rotating chucks 221 may be inserted into the corresponding sliding holes, that is, the number of the sliding holes is the same as the number of the rotating chucks 221, considering that the rotating chucks 221 near the discharging end do not need to discharge, in this embodiment, one end of the fixing base 220 in the length direction is used as the feeding end, the other end is used as the discharging end, the number of the sliding holes is one less than the number of the rotating chucks 221, and except for the rotating chucks 221 near the discharging end, the other rotating chucks 221 are respectively inserted into the corresponding sliding holes.

The profiling device 300 comprises a die holder 310 arranged on the frame 100, a profiling bracket 320 arranged on the crane 500, an adjusting motor 330 fixedly connected to the profiling bracket 320, an adjusting screw 340 vertically arranged above the die holder 310, an adjusting screw nut (not shown in the figure) sleeved on the adjusting screw 340, and a profiling contact 350 arranged at the lower end of the adjusting screw 340, wherein the adjusting screw nut and the adjusting motor 330 are in transmission connection through a speed reducer, and the length direction of the die holder 310 is the same as the sliding direction of the traversing frame 400. Therefore, the transverse moving frame 400 and the lifting frame 500 can drive the grinding host 800 to move and can also drive the profiling contact 350 to move synchronously, so that the situation that the profiling contact 350 needs to transmit track information to the control module firstly and then the control module controls the grinding host 800 to move to cause calculation errors is avoided, the precision is relatively high, the calculation performance requirement on the control module is relatively low, meanwhile, the initial position of the profiling contact 350 is controlled by the adjusting screw rod 340, the automation degree is relatively high, the automatic deviation rectifying action is conveniently executed during use, and non-equal-proportion profiling processing can be carried out (for example, the proportion between the profiling size and the product size is 1:2 and the like)

The traverse driving means 600 includes a traverse screw 610 horizontally disposed, a traverse screw nut (not shown) engaged with the traverse screw 610, and a traverse motor (not shown) drivingly connected to the traverse screw 610, the traverse screw nut being fixedly connected to the traverse frame 400. So that the traverse frame 400 can be driven to horizontally slide with respect to the rack 100 by the traverse motor.

Similarly, the lifting driving device 700 includes a vertically arranged lifting screw 710, a lifting screw nut (not shown) engaged with the lifting screw 710, and a lifting motor (not shown) in transmission connection with the lifting screw 710, and the lifting screw nut is fixedly connected with the lifting frame 500. Thus, the elevating frame 500 can be vertically slid with respect to the traverse frame 400 by the electrostatic eliminating machine.

The grinding main machine 800 comprises a grinding bracket 810, a rotating rod 820 rotatably connected to the grinding bracket 810, a rotary driving device 830 for driving the rotating rod 820 to rotate, a fixed gear or a fixed chain wheel 840 fixedly connected to the rotating rod 820, a supporting plate 850 positioned below the rotating rod 820, a sector plate 860 fixedly connected to the supporting plate 850, an arc-shaped rack or a chain 870 fixedly connected to the outer edge of the sector plate 860, and a grinding assembly 880 arranged on the supporting plate 850, wherein the rotating rod 820 is horizontally arranged and is vertically arranged with the sliding direction of the traverse frame 400. Grinding support 810 is fixed connection on crane 500 or is connected with crane 500 integral type, sector plate 860 fixed connection is in the upper end of backup pad 850, the one end that the bull stick 820 was kept away from to backup pad 850 rotates and connects on grinding support 810, and the rotation connecting axle between backup pad 850 and the grinding support 820 and the central axis coaxial arrangement of sector plate 860, and sector plate 860 and bull stick 820 arrange perpendicularly, in addition, arc rack and fixed gear intermeshing or chain 870 and fixed sprocket 840 intermeshing, rotary driving device 830 includes the rotating electrical machines or the revolving cylinder with bull stick 820 transmission connection, drive the reciprocating rotation of bull stick 820 through rotating electrical machines or revolving cylinder, and then drive board 860 reciprocating motion through the cooperation between arc rack and fixed gear or chain 870 and fixed sprocket 840, and then drive grinding assembly 880 reciprocating motion on the backup pad 850. If desired, sensors coupled to the control module may be provided at both ends of the sector plate 860 to prevent the arc-shaped rack and the fixed gear or the chain 870 and the fixed sprocket 840 from being separated from each other due to an over-travel.

The grinding assembly 880 comprises a driving pulley 881 and a driven pulley 882 rotatably connected to the support plate 850, respectively, a grinding motor 883 for driving the driving pulley 881 to rotate, a sliding plate 884 slidably connected to the support plate 850, a tension pulley 885 rotatably connected to the sliding plate 884, a tension cylinder 886 for driving the sliding plate 884 to slide, and a flexible grinding belt 890 sequentially wound on the driving pulley 881, the driven pulley 882, and the tension pulley 885, wherein the driving pulley 881, the driven pulley 882, and the tension pulley 885 are located on the same plane, and the plane is perpendicular to the sector plate 860, the driving pulley 881, the driven pulley 882, and the tension pulley 885 are arranged in a shape like a Chinese character, wherein the driving pulley 881 is located above the driven pulley 882 and the tension pulley 885, and the portion of the flexible grinding belt 890 located between the driven pulley 882 and the tension pulley 885 is a grinding portion matched with a workpiece.

The flexible sanding belt 890 may be a conventional sanding belt, and in order to enhance the sanding effect, the present embodiment provides a flexible sanding belt 890 that is different from conventional sanding belt structures, and the flexible sanding belt 890 may also be used in other sanding apparatuses. Specifically, the flexible polishing belt 890 is connected end to form an annular belt 891 and a grinding layer 892 adhered to the outer peripheral surface of the belt 891, wherein the belt 891 is a conventional transmission belt, and the cross section of the belt 891 is preferably triangular or isosceles trapezoid, so that the belt 891 has good elasticity, and can automatically adapt to the curvature change of the curved surface of the stone material, thereby ensuring that the grinding layer 892 is in close contact with the surface of the stone material to be processed. A plurality of logical grooves 893 of parallel arrangement each other are seted up to equidistant on grinding layer 892, and the both ends that lead to groove 893 communicate with the outside respectively, the chip removal of being convenient for helps avoiding grinding layer 892 to influence the elasticity of belt 891 simultaneously. In addition, a grinding block 894 is formed between two adjacent through grooves 893, a transverse groove 895 is formed in part of the grinding blocks 894, two ends of each transverse groove 895 are respectively communicated with the corresponding through grooves 893, the grinding block with the transverse groove 895 formed therein is a first grinding block, the grinding block without the transverse groove 895 formed therein is a second grinding block, and the first grinding block and the second grinding block are sequentially and alternately arranged. The through slots 893 and the cross slots 895 have the same slot width, and the width of the sanding block 894 is 3-5 times the slot width of the through slots 893.

Preferably, in this embodiment, there are a plurality of support plates 850, and specifically, the number of the support plates 850 is the same as the number of the rotating chucks 221 and the movable chucks 231, and the three positions correspond to each other to form a plurality of grinding stations. The supporting plates 850 are located on the same plane, each supporting plate 850 is provided with a grinding assembly 880, and the grinding precision of the grinding layer 892 of the flexible grinding belt 890 on each grinding assembly 880 is sequentially arranged from thick to thin from one end of the rotating rod 820 to the other end.

The grinding support 810 is provided with a partition 851 at a position between two adjacent support plates 850, respectively, a connecting rod is fixedly connected between the two adjacent support plates 850, and the connecting rod is rotatably connected to the corresponding partition 851, thereby realizing the rotary connection between the support plates 850 and the grinding support 810. In addition, the number of the sector plates 860 is less than or equal to the number of the support plates 850, i.e., it is not necessary to fixedly attach the sector plates 860 to each of the support plates 850

Preferably, in this embodiment, the supporting plate 850 is further provided with a cooling water pipe (not shown) having a downward outlet, and the outlet of the cooling water pipe is preferably located between the driven pulley 882 and the tensioning pulley 885.

Before use, the explorator is fixedly placed on the explorator seat 310, and the profiling contact 350 is driven by the adjusting motor 330 to abut against the explorator. For convenience of description, in the case that the grinding precision of the grinding layer 892 of the flexible grinding belt 890 on each grinding assembly 880 is arranged from left to right in order from coarse to fine, in use, a workpiece (i.e., a stone to be machined, specifically, a stone rail to be ground in this embodiment) is placed on the arc-shaped or trapezoid-shaped groove of the working table 252 at the leftmost end, then the piston rod of the reciprocating cylinder 254 is extended to move the workpiece below the grinding assembly 880 at the leftmost end, then the piston rod of the lifting cylinder 253 is extended, the workpiece is lifted to the rotary chuck 221 and the movable chuck 231 at the leftmost end by abutting against the machine frame 100 or the ground, and the workpiece is clamped by the action of the movable seat 230 and the chuck cylinder; after the actions are finished, the reciprocating cylinder 254 and the lifting cylinder 253 are reset, and at the moment, an operator can put a new workpiece into the arc-shaped groove or the trapezoid-shaped groove close to the feeding end, and the polishing host 800 polishes the workpiece; after polishing, the piston rod of the lifting cylinder 253 extends out to lift the working table frame 252, meanwhile, the chuck cylinder resets, the ejector cylinder drives the ejector plate 223 to move towards the movable seat 230, the workpiece is pushed away from the rotary chuck 221 and falls into the corresponding arc-shaped groove or trapezoid groove, then the workpiece is sent into the next polishing station through the reciprocating cylinder 254 to be clamped and polished, and therefore circulation is achieved, when the workpiece is sent to the arc-shaped groove or trapezoid groove located at the rightmost end, the workpiece is taken away, and the polishing process is completed. When the profiling contactor 350 senses a curvature change during the process of polishing a workpiece by the polishing host 800, the rotary driving device 830 drives the supporting plate 850 to rotate so as to ensure that the supporting plate 850 is always vertically arranged on the polishing surface of the workpiece.

Example two.

The present embodiment provides a stone sander, which is mainly different from the profiling polishing apparatus provided in the present embodiment in that the stone sander provided in the present embodiment is not provided with the profiling device 300, that is, the stone sander of the present embodiment can be obtained by removing the profiling device 300 of the profiling polishing apparatus of the present embodiment, of course, the specific parameter setting of the control module needs to be adaptively adjusted, and the specific adjustment manner is a conventional manner and is not a focus of the present embodiment, and will not be described in detail here.

Example three.

The present embodiment and the first embodiment mainly have the following differences, and the structure other than the following differences is the same as that of the first embodiment.

First, as shown in fig. 7, the structure of the grinding layer 892 of the flexible grinding belt 890 used in the present embodiment is different from that of the embodiment in which the grinding layer 892 has a plurality of elliptical protrusions 896, each of the elliptical protrusions 896 is irregularly arranged, and a gap for discharging chips is formed between two adjacent elliptical protrusions 896.

Secondly, as shown in fig. 8, the connecting sleeve 256 and the screw 258 are not provided on the working platform 252 of the clamping workbench 200 in this embodiment, but an adjusting rod 910 is provided at a position between the two frame rods 255, adjusting sleeves 911 are fixedly connected to the two frame rods 255, two ends of the adjusting rod 910 are respectively inserted into the two adjusting sleeves 911 and can slide relative to the corresponding adjusting sleeves 911, and a bolt 912 for locking the adjusting rod 910 is provided on each adjusting sleeve 911, so that after the bolt 912 is unscrewed, the distance between the two frame rods 255 can be adjusted by adjusting the length of the adjusting rod 910 penetrating into the corresponding adjusting sleeve 911, and after the adjustment is completed, the corresponding adjusting sleeve 911 and the adjusting rod 910 are fastened together by screwing the bolt 912.

Thirdly, as shown in fig. 9, the clamping table 200 in this embodiment further includes a feeding device 920 disposed at one end of the clamping bracket 210 (see fig. 1, 6 and 8), the feeding device 920 includes a bottom bar 921 fixedly connected to the clamping bracket 210 and horizontally disposed, a top bar 922 parallel to the bottom bar 921, a first connecting rod 923 and a second connecting rod 924 rotatably connected to the bottom bar 921 at one end, and a pedal 925 disposed at a lower end of the first connecting rod 923, wherein a length direction of the bottom bar 921 is the same as a length direction of the clamping bracket 210, the first connecting rod 923 and the second connecting rod 924 are parallel to each other, the other end of the first connecting rod 923 is rotatably connected to the bottom bar 921, and a shaft of the second connecting rod 924 is rotatably connected to the bottom bar 921, so that the bottom bar 921, the top bar 922, the first connecting rod 923, and the second connecting rod 924 can jointly form a parallelogram parallel mechanism. In addition, a slide rail 926 arranged in parallel with the top bar 922 is arranged on the top bar 922, and a feeding frame (not shown in the figure) is connected on the slide rail 923 in a sliding manner. Of course, there are a plurality of loading devices 920, each loading device 920 is arranged in parallel and on the same horizontal plane, so that the workpiece can be supported at multiple points, and the pedals 926 of each loading device 920 are fixedly connected to each other. When the workpiece feeding device is used, a workpiece is placed on the feeding frame firstly, then the pedal 925 is used for manually driving the parallelogram mechanism to lift the workpiece, then the feeding frame is manually pushed to slide towards the clamping support 210 or the polishing host 800 to drive the workpiece to move to the position of the arc-shaped groove or the trapezoid groove close to the discharging end, at the moment, the horizontal position of the workpiece is higher than that of the arc-shaped groove or the trapezoid groove, and finally, a craftsman manually pushes the arc-shaped groove or the trapezoid groove close to the discharging end into the feeding frame to finish feeding.

The present invention is described in detail with reference to the attached drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention according to the prior art, such as changing the cylinder in the above embodiments to a hydraulic cylinder, etc., which all fall within the protection scope of the present invention.

Claims

1. A stone polisher comprises a frame and is characterized by further comprising a clamping workbench arranged on the frame, a transverse moving frame horizontally and slidably connected onto the frame, a lifting frame vertically and slidably connected onto the transverse moving frame, a transverse moving driving device used for driving the transverse moving frame to move, a lifting driving device used for driving the lifting frame to move, and a polishing host arranged on the lifting frame, wherein the polishing host comprises a polishing support, a rotating rod rotatably connected onto the polishing support, a rotary driving device used for driving the rotating rod to rotate, a fixed gear or a fixed chain wheel fixedly connected onto the rotating rod, a support plate positioned below the rotating rod, a sector plate fixedly connected onto the support plate, an arc-shaped rack or a chain fixedly connected onto the outer edge of the sector plate, and a polishing assembly arranged on the support plate, one end, far away from the rotating rod, of the supporting plate is rotatably connected to the grinding support, a rotating connecting shaft between the supporting plate and the grinding support is coaxially arranged with a central shaft of the sector plate, the sector plate is vertically arranged with the rotating rod, and the fixed gear is meshed with the arc-shaped rack or the fixed chain wheel is meshed with the chain;

the grinding machine is characterized by further comprising a profiling device, the profiling device comprises a profiling contact, the grinding host machine is used for grinding a workpiece, when the profiling contact senses curvature change, the rotary driving device drives the supporting plate to rotate so as to ensure that the supporting plate is always perpendicular to a grinding surface on the workpiece.

2. A stone sander as set forth in claim 1, wherein said sanding assembly comprises a drive pulley and a driven pulley rotatably connected to said support plate, respectively, a sanding motor for driving said drive pulley in rotation, a slide plate slidably connected to said support plate, a tension pulley rotatably connected to said slide plate, a tension cylinder for driving said slide plate in sliding movement, and a flexible sanding belt sequentially wound around said drive pulley, said driven pulley, and said tension pulley, said drive pulley, said driven pulley, and said tension pulley being located in a common plane and said plane being perpendicular to said sector plate.

3. The stone sander as set forth in claim 1, wherein said support plates are plural, each of said support plates being located on the same plane, and each of said support plates having one of said sanding assemblies disposed thereon, said sanding supports having respective partition plates at positions located between adjacent ones of said support plates, and connecting rods fixedly connected between adjacent ones of said support plates, said connecting rods being pivotally connected to corresponding ones of said partition plates.

4. A stone sander as set forth in claim 1, wherein said support plate is further provided with a cooling water pipe having a water outlet directed downward.

5. The stone grinder of any one of claims 1 to 4, wherein the clamping table comprises a clamping bracket, a fixed base provided on the clamping bracket, a movable base horizontally slidably connected to the clamping bracket, a base located between the fixed base and the movable base, a support base horizontally slidably connected to the base, a work table frame horizontally slidably connected to the support base, a pitch drive device for driving the movable base to slide, a lifting cylinder fixedly connected to the base, and a reciprocating cylinder fixedly connected to the support base, the sliding direction of the support base and the sliding direction of the movable base being arranged in parallel with each other, the sliding direction of the work table frame and the sliding direction of the support base being arranged perpendicularly, and a piston rod of the lifting cylinder being arranged vertically downward, and a piston rod of the reciprocating cylinder is horizontally arranged and is fixedly connected with the working table frame.

6. The stone grinding machine according to claim 5, wherein there are two supporting seats, the working platform comprises two supporting rods and a connecting sleeve located between the two supporting rods, the two supporting rods and the two supporting seats are engaged with each other one by one, and screws arranged in opposite directions and having opposite spiral directions are respectively fixedly connected to the two supporting rods, two ends of the connecting sleeve are respectively provided with a threaded hole engaged with the corresponding screw, and each screw is respectively screwed in the corresponding threaded hole.

7. A stone sander as set forth in claim 6, wherein a material plate is arranged on the frame rod, and an arc-shaped groove or a trapezoidal groove for placing a workpiece is formed on the material plate.

8. A stone grinder as claimed in claim 5, wherein the fixed base is provided with a rotary chuck and a chuck motor for driving the rotary chuck to rotate, the movable base is provided with a movable chuck cooperating with the rotary chuck and a chuck cylinder for driving the movable chuck to move towards or away from the rotary chuck, and one end of the movable chuck facing the rotary chuck is provided with a tip portion for abutting against the workpiece.

9. A stone sander as set forth in claim 8, wherein said movable block is provided with a locking bar for fastening said movable jaw.

10. The stone sander as set forth in claim 8, wherein the fixed base is further provided with a material ejecting cylinder, a piston rod of the material ejecting cylinder faces the movable base, a material ejecting plate is fixedly connected to the piston rod of the material ejecting cylinder, a sliding hole is formed in the material ejecting plate, and the rotary chuck is inserted into the sliding hole.