阅读说明：本技术 一种便于定位的桌面打磨装置及其使用方法 (Desktop grinding device convenient to position and using method thereof ) 是由 杨佳峰 周广超 檀柱强 王斌全 林好军 欧静 于 2020-08-24 设计创作，主要内容包括：本发明为一种便于定位的桌面打磨装置及其使用方法,包括支架,支架上滑动设置有平面磨削装置和侧边磨削装置,平面磨削装置和侧边磨削装置的下方设置有桌面固定装置,桌面固定装置旁还设置有取放机械手,桌面固定装置包括驱动装置,还包括由驱动装置驱动旋转的桌面固定板,桌面固定板的中心位置设置有固定支撑座,桌面固定板上还设置旋转支撑座,旋转支撑座的外圆柱上间隔铰接有若干第一连接杆,若干第一连接杆的另一端与第一移动支撑圈相铰接,第一移动支撑圈的外侧还连接有第二移动支撑圈,桌面固定板上设置有若干平行滑轨,第一移动支撑圈以及第二移动支撑圈与平行滑轨滑动连接。本申请技术方案可以实现打磨时省力、便捷、平稳的固定桌面。(The invention relates to a desktop grinding device convenient to position and a using method thereof, and the desktop grinding device convenient to position comprises a bracket, wherein a plane grinding device and a side grinding device are arranged on the bracket in a sliding manner, a desktop fixing device is arranged below the plane grinding device and the side grinding device, a picking and placing manipulator is also arranged beside the desktop fixing device, the desktop fixing device comprises a driving device and a desktop fixing plate driven by the driving device to rotate, a fixing supporting seat is arranged at the central position of the desktop fixing plate, a rotating supporting seat is also arranged on the desktop fixing plate, a plurality of first connecting rods are hinged to the outer cylinder of the rotating supporting seat at intervals, the other ends of the plurality of first connecting rods are hinged to a first moving supporting ring, a second moving supporting ring is further connected to the outer side of the first moving supporting ring, a plurality of parallel slide rails are arranged on the desktop fixing plate, and the first moving supporting ring and the. The technical scheme of the application can realize labor-saving, convenient and stable fixed desktop during polishing.)

1. A desktop grinding device convenient to position is characterized by comprising a desktop fixing device, wherein the desktop fixing device is also provided with a pick-and-place manipulator in a matching way; the desktop fixing device comprises a driving device and a desktop fixing plate driven by the driving device to rotate, a fixing supporting seat is fixedly arranged at the central position of the desktop fixing plate, a rotating supporting seat is further arranged on the desktop fixing plate, the rotating supporting seat is sleeved outside the fixing supporting seat and is annular, an annular groove is formed in the desktop fixing plate, the rotating supporting seat is installed in the annular groove in the desktop fixing plate, and the rotating supporting seat and the annular groove are in sliding fit; a gap is formed between the inner ring of the rotary supporting seat and the outer ring of the fixed supporting seat, a plurality of first connecting rods are hinged on the outer cylinder of the rotary supporting seat at intervals, the other ends of the plurality of first connecting rods are connected with first movable supporting rings, the outer sides of the first movable supporting rings are also connected with second movable supporting rings, the first movable supporting rings and the second movable supporting rings are annular, the first movable supporting rings are uniformly divided into a plurality of first movable sub supporting rings along the circumferential direction, and the second movable supporting rings are uniformly divided into a plurality of second movable sub supporting rings along the circumferential direction; the desktop fixing plate is provided with a plurality of parallel slide rails, and the first movable supporting ring and the second movable supporting ring are connected with the parallel slide rails in a sliding manner.

2. A table grinding apparatus for facilitating positioning as recited in claim 1, wherein: the whole fixed support seat is cylindrical, a threaded hole for positioning is arranged in the middle of the fixed support seat in a penetrating mode, and a positioning groove is vertically formed in the side wall of the fixed support seat.

3. A table grinding apparatus for facilitating positioning as defined in claim 2, wherein: the number of the first moving part support rings is matched with that of the first connecting rods, each first moving part support ring is connected with one first connecting rod, and the lower part of each first moving part support ring is provided with a sliding groove; the bottom of each second moving sub support ring is provided with a sliding groove; the second moving sub support rings correspond to the first moving sub support rings, and the second moving sub support rings corresponding to each pair of the first moving sub support rings are fixedly connected with the first moving sub support rings through second connecting rods;

the second moving sub-support ring and the first moving sub-support ring can slide on the parallel slide rails.

4. A table grinding apparatus for facilitating positioning as defined in claim 3, wherein: the table top fixing plate is further provided with a positioning mechanism, the positioning mechanism is used for positioning the rotary supporting seat, the positioning mechanism comprises a bottom plate, the bottom plate is fixed on the table top fixing plate, a T-shaped plate is fixedly arranged on the bottom plate, a sliding part is connected between the lower surface of the T-shaped plate and the upper surface of the bottom plate in a sliding mode, and the middle of the sliding part comprises a through sliding groove;

the upper end of one side surface of the sliding part is provided with a reset block, the lower end of the side surface of the sliding part is provided with a positioning block, and a positioning component is arranged at the adjacent position of the bottom plate on one side provided with the reset block and the positioning block; the positioning assembly comprises a first rotating part, the first rotating part is hinged to the desktop fixing plate, a positioning rotating rod is fixedly arranged at the upper end of the first rotating part, a positioning clamping piece is fixedly arranged at the lower end of the first rotating part, an included angle between the positioning rotating rod and the upper end face of the positioning clamping piece is an acute angle, a spring is arranged between the positioning rotating rod and the bottom plate, and the side face inclination angle of the positioning clamping piece is consistent with that of the positioning block;

a shifting assembly matched with the positioning assembly is arranged on one side of the positioning assembly and comprises a second rotating part, the second rotating part is rotatably arranged on the bottom plate, and a first shifting lever and a second shifting lever are arranged on the second rotating part at intervals;

the up end fixedly connected with extension rod of sliding part, the terminal surface of extension rod is provided with the locating piece, during the location state, the locating piece with rotatory supporting seat contacts.

5. The desktop sanding device of claim 4, wherein the first deflector rod is disposed on a lower end surface of the second rotating portion, and the second deflector rod is disposed on an upper end surface of the second rotating portion.

6. The desktop grinding device convenient to locate as claimed in claim 5, wherein the second rotating portion is further provided with a locating handle, the locating handle comprises two insertion posts, two pull handles are hinged to the two insertion posts, the two insertion posts are mounted in the second rotating portion, two pin holes are formed in the desktop fixing plate at positions corresponding to the two insertion posts, and when the desktop grinding device is located in the locating state, the two insertion posts are inserted into the pin holes in the desktop fixing plate.

7. A desktop grinder assembly for facilitating positioning as claimed in claim 6, wherein a friction plate is disposed within the positioning block.

8. The desktop grinding device convenient to position as claimed in claim 1, wherein the pick-and-place manipulator comprises a support base, the support base is fixed on the ground, a rotating frame is rotatably arranged on the top of the support base, a grabbing mechanism is connected to the extending end of the rotating frame, the grabbing mechanism comprises a fixed plate connected to the rotating frame, the fixed plate comprises a plurality of extending brackets, and an air cylinder is arranged at the lower ends of the extending brackets and connected with a hand grip; the central point of fixed plate puts and is provided with the holding ring, the holding ring is the ring body, is provided with the location arch on the inside wall of holding ring, the location arch with the positioning groove phase-match of fixed bolster.

9. The method for using the desktop sanding device convenient to position as defined in claim 6, wherein the desktop fixing plate is adjusted by the following steps:

when the positions of the first movable support ring and the second movable support ring need to be adjusted, the positioning handle is pulled out to rotate the second rotating part clockwise, the first driving lever pushes the positioning rotating rod to rotate anticlockwise, the first rotating part rotates anticlockwise around a hinge point to drive the positioning clamping piece to rotate anticlockwise, the positioning clamping piece is separated from clamping the positioning block, the sliding part slides towards the direction far away from the center of the desktop fixing plate, the positioning block is far away from the rotary support seat, the rotation of the rotary support seat is not limited, and the positions of the first movable support ring and the second movable support ring can be adjusted by rotating the rotary support seat;

after the positioning handle is adjusted in place, the positioning handle is utilized to continuously rotate the second rotating part clockwise, when the second deflector rod rotates to be in contact with the reset block, and when the second rotating part continues to rotate, the second deflector rod pushes the reset block to move inwards to drive the sliding part to move towards the center of the desktop fixing plate, and further pushes the positioning block to move to a position in contact with the rotary supporting seat; in the direction removal in-process at the sliding part to desktop fixed plate center, the locating piece follows the sliding part and removes, and the inclined plane of locating piece extrudees with the inclined plane of location joint spare mutually for location joint spare is final to be connected with the locating piece looks joint, fixes a position the sliding part, and the location handle drives the second rotation portion and rotates two pegs graft post when with the pinhole position relatively, and two pegs graft posts of location handle are pegged graft downwards in the pinhole on desktop fixed plate, fix a position the subassembly.

Technical Field

The invention belongs to the field of polishing devices, and particularly relates to a desktop polishing device convenient to position and a use method thereof.

Background

The processing mode of aluminium system furniture is including the mode of casting and aluminium alloy processing part reassembly, if adopt cast mode, need polish desktop and desktop border after the casting, when polishing the desktop at present, will wait to polish the desktop and be fixed in a roating seat on, adopt the plane to polish and the side mode of going on simultaneously polish the desktop. In practical production, as shown in the attached drawings and fig. 2, the supporting manner of the table top is to arrange sliding blocks on the rotating table at intervals, arrange point supports on the sliding blocks, and arrange fixed supporting points in the blank areas without the sliding blocks for supporting the table top, which has the following problems:

1. because the size of the desktop is larger, one person can hardly place the desktop in place, and at least two persons are required to be matched to place the desktop.

2. After the desktop was placed on the supporting shoe of revolving stage, need many times the adjustment just can fix the desktop, and the support of many places dispersion can take place highly inconsistent between the strong point to can not carry out steady support to the desktop, it is unstable probably to appear that the desktop is placed, influences the desktop effect of polishing, and when the desktop was placed unstably, only after beginning to polish, the judgement that the workman passed through modes such as sound could discover whether place unstably.

Disclosure of Invention

The invention provides a desktop grinding device convenient to position, which aims to solve the technical problems of inconvenience in positioning and inaccurate positioning when the desktop is ground at present, and achieve the technical effect of fixing the desktop in a labor-saving, convenient and stable manner during grinding.

The specific technical scheme of the invention is as follows:

a desktop polishing device convenient to position comprises a desktop fixing device, wherein a picking and placing mechanical arm is further installed on the desktop fixing device in a matched mode; the desktop fixing device comprises a driving device and a desktop fixing plate driven by the driving device to rotate, a fixing supporting seat is fixedly arranged at the central position of the desktop fixing plate, a rotating supporting seat is further arranged on the desktop fixing plate, the rotating supporting seat is sleeved outside the fixing supporting seat and is annular, an annular groove is formed in the desktop fixing plate, the rotating supporting seat is installed in the annular groove in the desktop fixing plate, and the rotating supporting seat and the annular groove are in sliding fit; a gap is arranged between the inner ring of the rotary supporting seat and the outer ring of the fixed supporting seat; the outer cylinder of the rotary supporting seat is hinged with a plurality of first connecting rods at intervals, the other ends of the first connecting rods are connected with a first movable supporting ring, the outer side of the first movable supporting ring is also connected with a second movable supporting ring, the first movable supporting ring and the second movable supporting ring are both annular, the first movable supporting ring is uniformly divided into a plurality of first movable sub supporting rings along the circumferential direction, and the second movable supporting ring is uniformly divided into a plurality of second movable sub supporting rings along the circumferential direction; the desktop fixing plate is provided with a plurality of parallel slide rails, and the first movable supporting ring and the second movable supporting ring are connected with the parallel slide rails in a sliding manner.

Preferably, the whole fixed support seat is cylindrical, a threaded hole for positioning is arranged in the middle of the fixed support seat in a penetrating mode, and a positioning groove is vertically formed in the side wall of the fixed support seat.

Preferably, the number of the first moving part support rings is matched with that of the first connecting rods, each first moving part support ring is connected with one first connecting rod, and a sliding groove is formed in the lower part of each first moving part support ring; the bottom of each second moving sub support ring is provided with a sliding groove; the second moving sub support rings correspond to the first moving sub support rings, and the second moving sub support rings corresponding to each pair of the first moving sub support rings are fixedly connected with the first moving sub support rings through second connecting rods;

the second moving sub-support ring and the first moving sub-support ring can slide on the parallel slide rails.

Preferably, the desktop fixing plate is further provided with a positioning mechanism, the positioning mechanism is used for positioning the rotary supporting seat, the positioning mechanism comprises a bottom plate, the bottom plate is fixed on the desktop fixing plate, a T-shaped plate is fixedly arranged on the bottom plate, a sliding part is connected between the lower surface of the T-shaped plate and the upper surface of the bottom plate in a sliding manner, and the middle part of the sliding part comprises a through sliding groove;

the upper end of one side surface of the sliding part is provided with a reset block, the lower end of the side surface of the sliding part is provided with a positioning block, and a positioning component is arranged at the adjacent position of the bottom plate on one side provided with the reset block and the positioning block; the positioning assembly comprises a first rotating part, the first rotating part is hinged to the desktop fixing plate, a positioning rotating rod is fixedly arranged at the upper end of the first rotating part, a positioning clamping piece is fixedly arranged at the lower end of the first rotating part, an included angle between the positioning rotating rod and the upper end face of the positioning clamping piece is an acute angle, a spring is arranged between the positioning rotating rod and the bottom plate, and the side face inclination angle of the positioning clamping piece is consistent with that of the positioning block;

a shifting assembly matched with the positioning assembly is arranged on one side of the positioning assembly and comprises a second rotating part, the second rotating part is rotatably arranged on the bottom plate, and a first shifting lever and a second shifting lever are arranged on the second rotating part at intervals;

the up end fixedly connected with extension rod of sliding part, the terminal surface of extension rod is provided with the locating piece, during the location state, the locating piece with rotatory supporting seat contacts.

Preferably, the first shift lever is disposed on a lower end surface of the second rotating portion, and the second shift lever is disposed on an upper end surface of the second rotating portion.

Preferably, the second rotating portion is further provided with a positioning handle, the positioning handle comprises two inserting columns, the two inserting columns are hinged to handles, the two inserting columns are installed in the second rotating portion, two pin holes are formed in the desktop fixing plate and correspond to the two inserting columns, and when the desktop fixing plate is in a positioning state, the two inserting columns are inserted into the pin holes in the desktop fixing plate.

Preferably, a friction plate is arranged in the positioning block.

Preferably, the taking and placing manipulator comprises a supporting seat, the supporting seat is fixed on the ground, a rotating frame is rotatably arranged at the top of the supporting seat, a grabbing mechanism is connected to the extending end of the rotating frame, the grabbing mechanism comprises a fixing plate connected to the rotating frame, the fixing plate comprises a plurality of extending supports, an air cylinder is arranged at the lower ends of the extending supports, and the air cylinder is connected with a gripper; the central point of fixed plate puts and is provided with the holding ring, the holding ring is the ring body, is provided with the location arch on the inside wall of holding ring, the location arch with the positioning groove phase-match of fixed bolster.

The use method of the desktop grinding device convenient to position based on the above is characterized in that the desktop fixing plate is adjusted by the following steps:

when the positions of the first movable support ring and the second movable support ring need to be adjusted, the positioning handle is pulled out to rotate the second rotating part clockwise, the first driving lever pushes the positioning rotating rod to rotate anticlockwise, the first rotating part rotates anticlockwise around a hinge point to drive the positioning clamping piece to rotate anticlockwise, the positioning clamping piece is separated from clamping the positioning block, the sliding part slides towards the direction far away from the center of the desktop fixing plate, the positioning block is far away from the rotary support seat, the rotation of the rotary support seat is not limited, and the positions of the first movable support ring and the second movable support ring can be adjusted by rotating the rotary support seat;

after the positioning handle is adjusted in place, the positioning handle is utilized to continuously rotate the second rotating part clockwise, when the second deflector rod rotates to be in contact with the reset block, and when the second rotating part continues to rotate, the second deflector rod pushes the reset block to move inwards to drive the sliding part to move towards the center of the desktop fixing plate, and further pushes the positioning block to move to a position in contact with the rotary supporting seat; in the direction removal in-process at the sliding part to desktop fixed plate center, the locating piece follows the sliding part and removes, and the inclined plane of locating piece extrudees with the inclined plane of location joint spare mutually for location joint spare is final to be connected with the locating piece looks joint, fixes a position the sliding part, and the location handle drives the second rotation portion and rotates two pegs graft post when with the pinhole position relatively, and two pegs graft posts of location handle are pegged graft downwards in the pinhole on desktop fixed plate, fix a position the subassembly.

The embodiment of the invention has at least the following beneficial effects:

1. the table top fixing device is also provided with a picking and placing mechanical arm in a matching way; the center position of a desktop fixing plate of the desktop fixing device is fixedly provided with a fixed supporting seat and a rotary supporting seat arranged outside the fixed supporting seat, a plurality of first connecting rods are hinged on the outer cylinder of the rotary supporting seat at intervals, the other ends of the plurality of first connecting rods are hinged with a first movable supporting ring, the outer side of the first movable supporting ring is also connected with a second movable supporting ring, the first movable supporting ring and the second movable supporting ring are arranged on the desktop fixing plate in a sliding way, and the like, the desktop can be taken and placed by a mechanical arm, different parts of the desktop can be uniformly supported by the fixed supporting seat, the rotary supporting seat, the first movable supporting ring and the second movable supporting ring, and a supporting area can be adjusted by driving the two movable supporting rings by one rotary supporting seat so as to solve the problem of polishing the desktop at present, the technical problems of manpower occupation, inconvenient positioning and inaccurate positioning are solved, and the technical effect of fixing the desktop in a labor-saving, convenient and stable manner during polishing is realized.

2. The invention comprises the technical scheme that the first movable support ring and the second movable support ring are annular and are uniformly divided into a plurality of movable sub-support rings along the circumferential direction, each movable sub-support ring is connected with a first connecting rod, and the lower part of each movable sub-support ring is provided with a sliding chute capable of sliding on a parallel sliding rail. The supporting structure can be uniformly adjusted according to the size of the processing desktop, is simple and convenient, and can play a role in stable support.

3. The invention comprises that the desktop fixing plate is also provided with a positioning mechanism for positioning the rotary supporting seat, the positioning mechanism comprises a sliding part, a positioning block is fixed on the sliding part, and the positioning block is contacted with the rotary supporting seat. A positioning block for limiting and a reset block for resetting are arranged on the sliding part, and the positioning assembly is matched with the positioning block for positioning; one side of locating component is provided with rather than the subassembly of stirring that cooperatees and set up, stir the subassembly rotate set up in on the bottom plate, the interval is provided with first driving lever and second driving lever on it, first driving lever and second driving lever are used for removing technical scheme such as spacing and reset spacing respectively, accessible positioning mechanism fixes a position the rotating support seat location, when the rotating support seat needs the rotational adjustment, can be again through stirring the convenient restriction that removes locating component rotating support seat of subassembly, when needing the location, can reset it fast again, the operation end is in the outside of desktop, convenient control, and can guarantee the stability of rotating support seat.

Drawings

FIG. 1 is a schematic view of a table top fixture of a prior art table top grinding apparatus;

FIG. 2 is a top view of a table top fixing plate of a prior art table top grinding device;

FIG. 3 is a schematic view of the overall structure of the polishing apparatus of the present application;

FIG. 4 is a schematic view of the overall structure of the desktop fixing device;

FIG. 5 is a schematic view of the entire structure of the fixing plate;

FIG. 6 is a schematic view of the structure A-A of FIG. 5;

FIG. 7 is a structural diagram of the desktop fixing plate in an operating state;

FIG. 8 is a schematic view of a rotary supporting seat and its positioning structure on a fixing plate of a desktop;

FIG. 9 is a schematic view of a positioning structure;

FIG. 10 is a schematic view of a reset state of the positioning structure;

FIG. 11 is a schematic view of the positioning handle;

FIG. 12 is a schematic view of the grasping mechanism of FIG. 3 in the direction B;

FIG. 13 is a schematic view of a flat grinding apparatus;

FIG. 14 is a schematic view of a side grinding apparatus;

in the figure: 100-bracket, 110-side bracket, 120-beam, 130-first slide rail, 140-first screw rod, 200-plane grinding device, 210-first moving plate, 220-second moving plate, 230-second slide rail, 240-second screw rod, 250-first driving device and 260-plane grinding head; 300-a side grinding device, 310-a third moving plate, 320-a fourth moving plate, 321-a first sliding rod, 322-a second sliding rod, 330-a third sliding rail, 340-a sliding plate, 350-a connecting mounting plate, 360-a side grinding head, 370-a second driving device and 380-an elastic piece; 400-desktop fixing device, 410-speed reducer, 420-connecting plate, 430-desktop fixing plate, 431-fixing support seat, 4311-positioning groove, 432-rotating support seat, 433-first connecting rod, 434-first moving support ring, 435-second moving support ring, 436-parallel sliding rail, 437-second connecting rod; 500-a pick-and-place manipulator, 510-a support seat, 520-a rotating frame, 530-a grabbing mechanism, 531-a fixing plate, 532-a positioning ring, 5321-a positioning bulge, 533-an air cylinder and 534-a gripper; 600-a positioning mechanism, 610-a bottom plate, 611-a T-shaped plate, 620-a sliding part, 621-a sliding groove, 622-a reset block, 623-a positioning block and 624-an extension rod; 630-positioning component, 631-first rotating part, 632-positioning rotating rod, 633-positioning clamping component, 640-toggle component, 641-second rotating part, 642-first toggle rod, 643-second toggle rod, 644-positioning handle, 650-positioning block and 651-friction plate.

Detailed Description

The technical scheme of the invention is described in detail in the following with reference to the accompanying drawings and embodiments:

the invention relates to a desktop grinding device convenient to position, which comprises a support 100, wherein a plane grinding device 200 and a side grinding device 300 are arranged on the support 100 in a sliding manner, the plane grinding device 200 and the side grinding device 300 are arranged on the support in a sliding manner, a desktop fixing device 400 is arranged below the plane grinding device 200 and the side grinding device 300, and a taking and placing manipulator 500 is arranged on the side edge of the desktop fixing device 400 in a matching manner.

As shown in fig. 4, the table top fixing device 400 includes a driving motor (not shown), the driving motor is connected to a speed reducer 410, an output shaft of the speed reducer 410 is connected to a connecting plate 420, a table top fixing plate 430 is fixed on the connecting plate 420, the table top fixing plate 430 is used for fixing the table top to be ground, and the driving motor can drive the table top fixing plate 430 to rotate, so as to drive the table top to be ground to rotate.

As shown in fig. 5 to 8, a fixing support 431 is fixedly disposed at a central position of the desktop fixing plate 430, and as shown in fig. 5, 6 and 7, the fixing support 431 is generally cylindrical, a threaded hole for positioning is formed in a middle portion of the fixing support 431, and a positioning groove 4311 is vertically disposed on a side wall of the fixing support 431.

The desktop fixing plate 430 is further provided with a rotary support seat 432, the rotary support seat 432 is annular, the desktop fixing plate 430 is provided with an annular groove, as shown in fig. 6, the rotary support seat 432 is installed in the annular groove of the desktop fixing plate 430, the rotary support seat 432 is in sliding fit with the annular groove, and the rotary support seat 432 can rotate in the annular groove. The rotary supporting seat 432 is sleeved outside the fixed supporting seat 431, and a gap is formed between an inner circular ring of the rotary supporting seat 432 and an outer circular ring of the fixed supporting seat 431. The interval articulates on the outer cylinder of rotatory supporting seat 432 has a plurality of head rods 433, the other end and the first removal lock ring 434 of head rod 433 articulate mutually, first removal lock ring 434 is cyclic annular, and equally divide into a plurality of first removal sub lock rings along the circumferencial direction, the quantity of first removal sub lock ring with the phase-match of head rod 433, each first removal sub lock ring is connected with a head rod 433, each the lower part of first removal sub lock ring all is provided with the spout.

As shown in fig. 5-7, a second moving support ring 435 is further connected to the outer side of the first moving support ring 434, the second moving support ring 435 is annular and is divided into a plurality of second moving sub support rings along the circumferential direction, the second moving sub support rings correspond to the first moving sub support rings, and each pair of corresponding second moving sub support rings is fixedly connected to the first moving sub support ring through a second connecting rod 437; and the bottom of each second moving sub support ring is provided with a sliding groove.

The table top fixing plate 430 is provided with a plurality of parallel sliding rails 436, each pair of the parallel sliding rails 436 corresponds to a pair of the second moving sub-support ring and the first moving sub-support ring, and the second moving sub-support ring and the first moving sub-support ring can slide on the parallel sliding rails 436.

The fixed support 431, the rotating support 432, the first movable support ring 434 and the second movable support ring 435 support different portions of the tabletop uniformly, when the size of the tabletop changes, the rotating support 432 can be rotated to drive the first connecting rod 433 to rotate, the first connecting rod 433 can push the first movable support ring 434 to move outwards along the parallel slide rail 436, and at the same time, the first movable support ring 434 drives the second movable support ring 435 to move outwards along the parallel slide rail 436, as shown in fig. 7. When the supporting range needs to be reduced, the rotating support base 432 is rotated in the opposite direction. This bearing structure can be according to the unified adjustment of processing desktop size, and is simple convenient, and can play the stable supporting effect, and during specific application, the quantity that removes the lock ring can increase and decrease according to actual conditions.

The tabletop fixing plate 430 is further provided with a positioning mechanism 600, the positioning mechanism 600 is used for preventing the rotation of the rotation support 432, as shown in fig. 8, the positioning mechanism 600 is disposed in the space between the parallel sliding rails 436, and the height of the whole structure is lower than the upper end surfaces of the first movable support ring 434 and the second movable support ring 435. The specific structure is as shown in fig. 9 and 10, the positioning mechanism 600 includes a bottom plate 610, the bottom plate 610 is fixed on the desktop fixing plate 430, a T-shaped plate 611 is fixedly arranged on the bottom plate 610, a sliding part 620 is slidably connected between the lower surface of the T-shaped plate 611 and the upper surface of the bottom plate 610, the middle part of the sliding part 620 includes a through sliding groove 621, and the sliding groove 621 is used for abdicating the T-shaped plate 611.

As shown in fig. 9, a reset block 622 is disposed at an upper end of one side surface of the sliding portion 620, and a positioning block 623 is disposed at a lower end thereof, and as shown in fig. 8, a positioning assembly 630 is disposed adjacent to the base plate 610 on a side where the reset block 622 and the positioning block 623 are disposed; positioning assembly 630 includes first rotation portion 631, first rotation portion 631 articulates the setting and is in on the desktop fixed plate 430, the fixed location bull stick 632 that is provided with in upper end of first rotation portion 631, the fixed location joint spare 633 that is provided with of lower extreme of first rotation portion 631, location bull stick 632 with the contained angle of the up end of location joint spare 633 is the acute angle, be provided with the spring between location bull stick 632 and the bottom plate 610. In a positioning state, the upper end surface of the positioning clamping piece 633 is in contact with the lower end surface of the positioning block 623, and the side surface inclination angle of the positioning clamping piece 633 is consistent with the inclination angle of the side surface of the positioning block 623.

One side of the positioning component 630 is provided with a shifting component 640 matched with the positioning component, and the shifting component 640 is arranged close to the outer side of the desktop fixing plate 430, so that the operation of personnel is facilitated. The toggle assembly 640 includes a second rotating portion 641, the second rotating portion 641 is disposed on the bottom plate 610, the second rotating portion 641 is rotatable around a central axis thereof, the second rotating portion 641 is disposed with a first toggle lever 642 and a second toggle lever 643, the first toggle lever 642 is disposed on a lower end surface of the second rotating portion 641, the second toggle lever 643 is disposed on an upper end surface of the second rotating portion 641, and a difference between the first toggle lever 642 and the second toggle lever 643 is equal to a thickness of the second rotating portion 641, so as to avoid mutual interference; the first shifting lever 642 and the second shifting lever 643 are arranged at a certain interval, as shown in the figure, the first shifting lever 642 is used for pushing the positioning rotating rod 632 to rotate by a certain angle, so that the positioning clamping piece 633 is separated from clamping the positioning block 623. As shown in fig. 10, the second lever 643 is configured to push the reset block 622 to reset, so that the sliding portion 620 moves upward integrally, and the positioning latch member 633 is latched with the positioning block 623 again, thereby positioning the sliding portion 620.

The second rotating portion 641 is further provided with a positioning handle 644, the positioning handle 644 is structurally shown in fig. 11 and includes two insertion posts, and the insertion posts are hinged with handles. The two inserting posts are mounted in the second rotating portion 641, two pin holes are formed in the desktop fixing plate 430 at positions corresponding to the two inserting posts, when the two inserting posts are located, the two inserting posts are inserted into the pin holes in the desktop fixing plate 430, when the second rotating portion 641 needs to be rotated, the inserting posts are pulled out of the pin holes by using a handle, and the handle is rotated to drive the second rotating portion 641 to rotate.

The up end fixedly connected with extension rod 624 of sliding part 620, the terminal surface of extension rod 624 is provided with locating piece 650, be provided with friction disc 651 in the locating piece 650, during the location, locating piece 650 with the outer circumference of rotatory supporting seat 432 contacts, carries on spacingly through location joint spare 633 joint locating piece 623 to the position of sliding part 620, sliding part 620 promotes locating piece 650 extrudes the location to rotatory supporting seat 432, and friction disc 651 increases and rotatory supporting seat 432's frictional force simultaneously, and then realizes preventing rotatory supporting seat 432 pivoted function.

When the positions of the first movable support ring 434 and the second movable support ring 435 need to be adjusted, the positioning handle 644 is pulled out to rotate the second rotating portion 641 clockwise, the first shifting lever 642 pushes the positioning rotating rod 632 to rotate counterclockwise, the first rotating portion 631 rotates counterclockwise around the hinge point to drive the positioning engaging member 633 to rotate counterclockwise, the positioning engaging member 633 is disengaged from engaging with the positioning block 623, the sliding portion 620 can slide in a direction away from the center of the desktop fixing plate, the positioning block 650 is away from the rotary support 432, the rotation of the rotary support 432 is not limited, and the positions of the first movable support ring 434 and the second movable support ring 435 can be adjusted by rotating the rotary support 432. After the positioning is completed, the positioning handle 644 is used to rotate the second rotating portion 641 continuously clockwise, when the second driving lever 643 rotates to contact with the reset block 622, and when the second rotating portion 641 rotates continuously, the second driving lever 643 pushes the reset block 622 to move upwards, so as to drive the sliding portion to slide towards the center of the desktop fixing plate, and further push the positioning block 650 to move to the position where it contacts with the rotation support 432, in the process that the sliding portion 620 slides towards the center of the desktop fixing plate, the positioning block 623 moves upwards, the inclined surface of the positioning block 623 presses against the inclined surface of the positioning clip element 633, so that the positioning clip element 633 is finally clipped with the positioning block 623, the sliding portion 620 is positioned, and when the positioning handle 644 drives the second rotating portion 641 to return to the initial position, the two insertion posts of the positioning handle are inserted downwards into the pin holes on the desktop fixing plate 430, so as to position the shifting assembly 640, avoiding misoperation.

The pick-and-place manipulator 500 is a currently conventional grabbing manipulator, as shown in fig. 12, the pick-and-place manipulator structurally includes a supporting seat 510, the supporting seat 510 is fixed on the ground, a rotating frame 520 is rotatably disposed on the top of the supporting seat 510, a grabbing mechanism 530 is connected to an extending end of the rotating frame 520, the grabbing mechanism 530 includes a fixing plate 531 connected to the rotating frame 520, the fixing plate 531 includes a plurality of extending supports, an air cylinder 533 is disposed at a lower end of each extending support, and the air cylinder 533 is connected to a gripper 534 for grabbing a product. The utility model provides a get and put manipulator 500 still includes, the holding ring 532 that sets up is put at the central point of fixed plate 531, holding ring 532 is the annular body, is provided with the protruding 5321 in location on holding ring 532's the inside wall, the protruding 5321 in location with the positioning groove 4311 phase-match of fixed bolster, during the installation, the central point of getting and putting manipulator 500 puts and desktop fixed plate 430's center is corresponding, when placing and treat the desktop of polishing, guarantees the protruding 5321 in location with the positioning groove 4311 of fixed bolster cooperatees, guarantees to place the accuracy of desktop position. The mechanical arm is adopted for feeding and discharging, so that the working efficiency can be improved; secondly, the problem that manual positioning is inaccurate and multiple times of adjustment are needed is solved; thirdly, cooperation of a plurality of people is not needed, so that labor is saved, and the cost is reduced; fourthly, the operator is far away from the equipment, and the probability of industrial injury is reduced.

The application polishes partial structure, specifically as follows:

as shown in fig. 3, the bracket 100 includes side brackets 110 symmetrically disposed, two cross beams 120 are disposed between the side brackets 110 in parallel, first slide rails 130 are fixedly disposed on the two cross beams 120, a first lead screw 140 and a driving device for driving the first lead screw 140 to rotate are further disposed between the two cross beams 120, the bracket 100 is further provided with a side grinding device 300 for driving a lead screw and a motor for driving the side grinding device 300 for driving the lead screw to rotate, and the first slide rails 130, the first lead screw 140 and the side grinding device 300 for driving a lead screw (not shown in the figure) are all parallel to the cross beams 120.

The support 100 is provided with a plane grinding device 200 and a side grinding device 300 in a sliding manner, as shown in fig. 3 and 13, the plane grinding device 200 includes a first moving plate 210, the first moving plate 210 is in threaded connection with a first lead screw 140, the first moving plate 210 is in sliding connection with a first slide rail 130 on the cross beam 120, and the first lead screw 140 can drive the first moving plate 210 to move along the first slide rail 130. The first moving plate 210 is provided with second sliding rails 230 at intervals, the first moving plate 210 is further fixedly provided with a second screw 240, the second screw 240 can rotate around a connection point with the first moving plate 210, one end of the second screw 240 is connected with a driving device, and the driving device can be a motor and is used for driving the second screw 240 to rotate. The first moving plate 210 is provided with a second moving plate 220 in a sliding manner, the second moving plate 220 is connected with the second sliding rail 230 in a sliding manner, the second moving plate 220 is connected with the second screw rod 240 in a threaded manner, the second moving plate 220 is provided with a first driving device 250 and a planar grinding head 260, the planar grinding head 260 can be fixed in a bearing seat through two ends of a central shaft, the bearing seat is fixed on the second moving plate 220 to be connected, the first driving device 250 is used for driving the planar grinding head 260 to rotate, and the connection mode can be that an output shaft of the first driving device 250 is connected with the central shaft of the planar grinding head 260 through belt transmission.

As shown in fig. 3 and 14, the side grinding device 300 includes a third moving plate 310, the third moving plate 310 is slidably connected to the cross beam 120, slide rails are arranged in parallel in the vertical direction of the third moving plate 310, a fixed block is further fixedly arranged on the third moving plate 310, a third screw rod is connected to the fixed block through a thread, a fourth moving plate 320 is fixedly connected to the lower end of the third screw rod, a manual wheel is connected to the upper end of the third screw rod, and the third screw rod can be driven to rotate by the manual wheel. The fourth moving plate 320 is provided with a first sliding rod 321 and a second sliding rod 322 in parallel in the horizontal direction, the first sliding rod 321 and the second sliding rod 322 are slidably sleeved with a sliding plate 340, the sliding plate 340 is fixedly provided with a connecting and mounting plate 350, one side of the connecting and mounting plate 350 is fixedly provided with a second driving device 370, the other side of the connecting and mounting plate 350 is fixedly provided with a side grinding head 360, the side grinding head 360 can rotate around a central shaft, the second driving device 370 is used for driving the side grinding head 360 to rotate, and a mode that an output shaft of the second driving device 370 is connected with the central shaft of the side grinding head 360 through belt transmission can be adopted. An elastic member 380 is connected to the outer side of the sliding plate 340, the other end of the elastic member 380 is fixed to the fourth moving plate 320, and the elastic member 380 can apply a lateral force to the fourth moving plate 320 to ensure that the side grinding head 360 is always in contact with the side of the table top during grinding.

The working principle is as follows:

adjusting a first movable support ring 434 and a second movable support ring 435 of the table top fixing plate 430 to proper support positions, placing the table top to be machined on the table top fixing plate 430 through the pick-and-place manipulator 500, fixing the table top to be machined in a threaded hole of the fixed support 431 by using a bolt, adjusting the horizontal position of the plane grinding device through the first lead screw 140, adjusting the up-and-down position of the plane grinding head 260 through the second lead screw 240, and adjusting the plane grinding head 260 to a proper machining position; the third moving plate 310 of the side grinding device 300 moves on the beam 120 to adjust the horizontal position of the side grinding device 300, the third screw 330 is used to adjust the up-down position of the side grinding head 360 to make it contact with the side of the table top to be ground, then the first driving device is started to drive the planar grinding head 260 to rotate, and the second driving device 370 is started to drive the side grinding head 360 to rotate; the driving motor of the desktop fixing device 400 is started, the driving turntable 430 rotates, the desktop 600 to be machined is driven to rotate, the planar grinding head 260 is used for grinding the desktop, the side grinding head 360 is used for grinding the side face, in the grinding process, the planar grinding head 260 can also move horizontally, the whole grinding of the desktop is carried out, after the grinding is completed, the positioning bolt is detached, and the desktop after the grinding is completed is taken down by the taking and placing mechanical arm 500.

And repeating the steps until all the table tops to be polished are polished.

The words of front, back, left, right, up and down, etc. in the present invention are only for convenience of describing the structure and do not form a limitation on the technical solution. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.