High-precision deburring device for metal plates

Abstract

The utility model discloses a high-precision deburring device for metal plates, which comprises a frame, a deburring device, a deburring device and a deburring device. The positioning and supporting assembly comprises a supporting piece, and positioning units are arranged on the four sides of the supporting piece; the adjusting assembly comprises a steering unit, a telescopic unit and an adjusting frame; the movable assembly comprises a translation unit, a lifting unit and a first distance sensor, and the grinding assembly comprises a rotating unit, a grinding wheel and a shell cover; and the negative pressure assembly is used for continuously extracting air in the shell cover when the grinding wheel rotates. According to the high-precision deburring device for the metal plate, air in the shell cover is continuously extracted through the negative pressure assembly, so that heat on the surfaces of the grinding wheel and the plate is taken away by the air, cooling is achieved, thermal stress and deformation of the grinding wheel and the plate are reduced, the machining precision is guaranteed, chippings generated during grinding are taken away, and splashing of the chippings is avoided; the burden of cleaning the processing environment by workers is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal sheet processing technical field especially is related to a high accuracy deburring device of metal sheet. BACKGROUND

[0002] The elevator door plate is the key part of the appearance design and safety protection of the elevator, mainly functions to separate the elevator door from the elevator hall, avoid personnel misentry and misexit, and also can improve the overall image of the elevator. The elevator door plate is usually formed by metal sheet (especially stainless steel sheet metal part), and burrs are easily formed at the edge and edge position in the production process due to extrusion and impact of the cutter or die, which affects the product appearance, texture, adaptability and safety performance, etc. Therefore, deburring treatment is needed in the forming process of the elevator door plate.

[0003] In the prior art, a kind of elevator plate edge burr removal device is disclosed in Chinese utility model patent with announcement number CN220427812U, the left and right sides of the processing base are set by vertical support arm, according to the width of plate or the width of processed plate, the left and right sides of plate are polished or polished, vertical support arm and horizontal lifting plate connection are fastened by setting multiple fastening holes, to avoid angle grinder from shaking or processing position deviation during processing.

[0004] However, when the above device operates, the grinding wheel of the angle grinder rotates on the surface of the plate, and due to high-speed friction, heat is generated, which causes the temperature of the grinding wheel and the plate to accumulate and rise. The abrasive particles of the grinding wheel will be worn and passivated under high temperature, reducing the cutting efficiency of the grinding wheel. Excessive heat accumulation may cause the grinding wheel to crack and deform due to thermal stress, reducing its service life. After the temperature of the plate is too high, the plate may be burned during grinding, forming thermal cracks or color changes on the surface, affecting the appearance and structural strength of the plate. Long-term high temperature may also cause thermal deformation and expansion of the plate, reducing the performance of the plate edge and further reducing the processing accuracy. In addition, the debris particles generated during the grinding process of the high-speed rotating grinding wheel may splash and pollute the surrounding production environment, requiring workers to clean the splashed particles regularly, increasing the workload of the workers.

[0005] Therefore, it is necessary to improve the deburring device for metal sheet in the prior art. UTILITY MODEL CONTENTS

[0006] The utility model aims to overcome the defects in the prior art, and provides a high-precision deburring device for metal sheet, which prolongs the service life, improves the processing accuracy and reduces the workload of workers.

[0007] To achieve the above technical effects, the technical scheme of the utility model is as follows: a high-precision deburring device for metal plates, comprising

[0008] A rack, the rack comprises a base;

[0009] A positioning and supporting assembly, the positioning and supporting assembly comprises a supporting piece arranged on the base to support the plate, at least two positioning units are arranged on each side of the supporting piece, the positioning units on two sides are distributed along a first direction, the positioning units on the other two sides are distributed along a second direction, the first direction and the second direction are horizontal and perpendicular to each other, and the positioning units are matched with each other to clamp the plate from four sides and adjust the plate to be along the first direction and the second direction respectively.

[0010] An adjusting assembly, the adjusting assembly is arranged directly above the positioning and supporting assembly, the adjusting assembly comprises a steering unit, an extension unit and an adjusting frame, the adjusting frame is in a strip shape, the steering unit is drivingly connected with the adjusting frame through the extension unit, so that the adjusting frame is sequentially rotated to correspond to the positioning units on the four sides of the supporting piece and to be along the distribution direction of the positioning units;

[0011] A moving assembly and a polishing assembly, the moving assembly is arranged on the adjusting frame, the moving assembly comprises a translation unit, a lifting unit and a first distance sensor, the moving direction of the output end of the translation unit is consistent with the length direction of the adjusting frame, the polishing assembly comprises a rotating unit, a grinding wheel horizontally arranged on the axis of the rotating unit and connected with the output end of the rotating unit, and a shell cover connected with the output end of the lifting unit, the grinding wheel rotates on the inner side of the shell cover and protrudes from the bottom of the shell cover, the rotating unit drives the grinding wheel to rotate around the axis, the translation unit is arranged on the adjusting frame and drivingly connected with the rotating unit through the lifting unit, and the first distance sensor is used for detecting the moving distance of the polishing assembly.

[0012] A negative pressure assembly, the negative pressure assembly is used for continuously extracting air in the shell cover when the grinding wheel rotates.

[0013] Preferably, in order to realize the collection and treatment of the debris in the polishing process, the negative pressure assembly comprises a collection shell, a filter element and a negative pressure pump, the filter element is detachably arranged in the collection shell and divides the inner cavity of the collection shell into an air inlet cavity and an air outlet cavity, an air inlet and an air outlet are arranged on the collection shell, the air inlet is communicated between the air inlet cavity and the inner cavity of the shell cover, and the air outlet is communicated between the air outlet cavity and the input end of the negative pressure pump.

[0014] Preferably, in order to facilitate the concentration of the debris on the filter core, and facilitate the cleaning of the collection shell, the filter core is a barrel structure with an open top, the air inlet is arranged above the filter core, and the air outlet is arranged on the outer side or below the filter core.

[0015] Preferably, in order to realize the detachable connection of the filter core and the collection shell, the collection shell comprises a shell body with an open top and a shell cover detachably arranged on the shell body, an inner convex frame is arranged on the circumferential inner wall of the shell body, an outer flange is arranged on the top circumferential outer edge of the filter core, the circumferential outer edge of the filter core is sealingly attached to the circumferential inner wall of the inner convex frame, and the top surface of the inner convex frame is attached to the bottom surface of the outer flange.

[0016] Preferably, in order to ensure the sealing and the installation firmness of the filter core in the collection shell, and prevent the filter core from being offset in the collection shell, the outer flange is sealingly arranged between the inner convex frame and the shell cover.

[0017] Preferably, in order to realize the positioning and sealing of the filter core in the height direction, the top surface and / or the bottom surface of the outer flange is provided with a closed loop-shaped and elastic sealing gasket.

[0018] Preferably, in order to facilitate the detachable connection of the shell cover and the shell body, the shell cover and the shell body are detachably fixedly connected through a vertical screw rod and a screw cap in threaded connection.

[0019] Preferably, in order to reduce the driving load of the translation unit, and ensure the communication between the collection shell and the shell cover, the collection shell is fixed to the adjusting frame, and the air inlet and the shell cover are communicated through a hose.

[0020] Preferably, in order to facilitate the collection of the debris in the shell cover, the top of the shell cover is provided with an air suction port in communication with the inner cavity of the shell cover, and the air suction port is in communication with the hose.

[0021] Preferably, in order to enable the air to be discharged from the air outlet after the air carries the debris into the collection shell, and the debris to accumulate in the filter core, the air inlet is a through hole arranged on the shell cover, and the air outlet is a through hole arranged at the bottom of the shell body.

[0022] In summary, compared with the prior art, the high-precision deburring device for metal plates of the utility model continuously extracts the air in the shell cover through the negative pressure assembly, so that the air carries away the heat on the surface of the grinding wheel and the plates, cooling is realized, the thermal stress and deformation of the grinding wheel and the plates are reduced, the machining precision is ensured, the debris generated during grinding is carried away, the debris is prevented from splashing, and the burden of the workers for cleaning the processing environment is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic diagram of the utility model;

[0024] Figure 2 is Figure 1 a front view;

[0025] Figure 3 is a schematic view of the connection structure of the rack and the positioning and supporting assembly of the utility model;

[0026] Figure 4 is Figure 3 a schematic view of the explosion;

[0027] Figure 5 is a schematic view of the connection structure of the adjusting assembly, the movable assembly and the polishing assembly of the utility model;

[0028] Figure 6 is Figure 5 a schematic view of the explosion;

[0029] Figure 7 is a schematic view of the connection structure of the movable assembly and the polishing assembly of the utility model;

[0030] Figure 8 is Figure 7 a schematic view of the explosion;

[0031] Figure 9 is a schematic view of the connection structure of the polishing assembly and part of the movable assembly of the utility model;

[0032] Figure 10 is Figure 9 a schematic view of the explosion;

[0033] Figure 11 is a schematic view of the connection structure of the polishing assembly and part of the movable assembly of the utility model from another perspective;

[0034] Figure 12 is Figure 11 a schematic view of the explosion;

[0035] Figure 13 is a schematic view of the connection structure of the grinding wheel and the shell cover of the utility model;

[0036] Figure 14 is Figure 13 a schematic view of the explosion;

[0037] Figure 15 is Figure 13 a schematic view of the cross section structure;

[0038] Figure 16 is a schematic view of the structure of the negative pressure assembly of the utility model;

[0039] Figure 17 is Figure 16 a schematic view of the explosion;

[0040] Figure 18 is a cross-sectional structure schematic view of the connecting structure of the collecting shell and the filter element of the utility model;

[0041] In the figure: 1, rack; 11, base; 12, support; 13, positioning guide rod; 2, positioning support assembly; 21, support piece; 211, containing notches; 22, positioning unit; 221, side clamping plate; 222, moving unit; 223, supporting plate; 224, second distance sensor; 225, positioning slider; 3, adjusting assembly; 31, steering unit; 311, steering motor; 312, steering frame; 313, steering bearing; 314, steering barrel; 32, telescopic unit; 321, electric push rod; 322, telescopic guide rod; 33, adjusting frame; 34, third distance sensor; 4, movable assembly; 41, translation unit; 411, translation motor; 412, translation screw; 413, translation screw sleeve; 414, support frame; 415, translation frame; 416, translation guide sleeve; 417, translation guide rod; 42, lifting unit; 421, lifting motor; 422, lifting screw; 423, lifting screw sleeve; 424, lifting plate; 425, lifting guide pipe; 43, first distance sensor; 44, detection unit; 441, detection frame; 442, compression spring; 443, pressure sensor; 444, lifting guide rod; 445, limit convex ring; 5, plate; 6, polishing assembly; 61, rotation unit; 611, rotation motor; 612, driving wheel; 613, synchronous belt; 614, driven wheel; 615, synchronous shaft; 616, groove; 617, key; 62, grinding wheel; 63, shell cover; 631, ball; 632, unit block; 633, mounting hole; 634, fixing frame; 635, polishing bearing; 636, air extraction pipe; 64, cannula; 65, screw pipe; 66, limit frame; 661, first positioning pipe; 662, second positioning pipe; 67, bolt; 7, negative pressure assembly; 71, collecting shell; 711, shell; 712, shell cover; 713, inner convex frame; 714, vertical screw; 715, nut; 72, filter element; 721, outer flange; 73, negative pressure pump; 74, air inlet; 75, air outlet; 76, hose; 77, gasket; 8, control panel. DETAILED DESCRIPTION

[0042] The specific embodiments of the utility model are further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0043] As Figures 1-18 shown, the high-precision deburring device for metal plate of the utility model comprises:

[0044] Rack 1, rack 1 comprises base 11;

[0045] The positioning and supporting assembly 2 comprises a supporting piece 21 arranged on the base 11 to horizontally support the plate 5, at least two positioning units 22 are arranged on each side of the supporting piece 21, the positioning units 22 on two sides are distributed along a first direction, the positioning units 22 on the other two sides are distributed along a second direction, the first direction and the second direction are horizontal and perpendicular to each other, and the positioning units 22 are matched to clamp the plate 5 from four sides and adjust the plate 5 to be along the first direction and the second direction respectively;

[0046] The adjusting assembly 3 is arranged above the positioning and supporting assembly 2, the adjusting assembly 3 comprises a steering unit 31, an extension unit 32 and an adjusting frame 33, the adjusting frame 33 is long strip-shaped, the steering unit 31 is drivingly connected with the adjusting frame 33 through the extension unit 32, so that the adjusting frame 33 is sequentially rotated to correspond to the positioning units 22 on the four sides of the supporting piece 21 and to be along the distribution direction of the positioning units 22 and the length direction;

[0047] The movable assembly 4 and the polishing assembly 6, the movable assembly 4 is arranged on the adjusting frame 33, the movable assembly 4 comprises a translation unit 41, a lifting unit 42 and a first distance sensor 43, the moving direction of the output end of the translation unit 41 is consistent with the length direction of the adjusting frame 33, the polishing assembly 6 comprises a rotating unit 61 and a grinding wheel 62 with horizontal axis, the rotating unit 61 drives the grinding wheel 62 to rotate around the axis, the translation unit 41 is arranged on the adjusting frame 33 and is drivingly connected with the rotating unit 61 through the lifting unit 42, and the first distance sensor 43 is used to detect the moving distance of the polishing assembly 6.

[0048] When the device is used, the plate 5 to be deburred is placed on the supporting piece 21, after the plate 5 is horizontally supported by the supporting piece 21, the positioning units 22 on the four sides of the supporting piece 21 act on the four side walls of the plate 5 from four sides, the plate 5 is centered above the supporting piece 21, then the adjusting assembly 3 is started, the direction position of the adjusting frame 33 is adjusted by the steering unit 31, so that the adjusting frame 33 is parallel to one side of the plate 5 and is immediately above the side wall, then the extension unit 32 is started, the position of the adjusting frame 33 and the vertical plane of the side wall is adjusted, the horizontal moving distance and position of the polishing assembly 6 are detected by the first distance sensor 43, so that the axis of the grinding wheel 62 in the polishing assembly 6 is perpendicular to the vertical plane of the side wall and the vertical plane of the side wall passes through the circumferential outer edge of the grinding wheel 62, then the lifting unit 42 in the movable assembly 4 drives the grinding wheel 62 to descend, so that the grinding wheel 62 contacts the plane where the top surface of the plate 5 is located, then the translation unit 41 is started, and the rotating unit 61 drives the grinding wheel 62 to rotate at high speed, so that the grinding wheel 62 passes above the side wall and removes the burrs above the side wall.

[0049] After the burrs on one side wall of the plate 5 are removed, the turning unit 31 is operated, so that the adjusting frame 33 is horizontally turned by 90°, then the horizontal position of the adjusting frame 33 is adjusted through the telescopic unit 32, and the horizontal position of the lower polishing assembly 6 is adjusted, so that the circumferential outer edge of the grinding wheel 62 in the polishing assembly 6 intersects with the plane where the side wall of the plate 5 perpendicular to the above side wall is located, then the rotating unit 61 drives the grinding wheel 62 to rotate, and the polishing assembly 6 below is moved by the translation unit 41, so that the grinding wheel 62 acts on the other side wall of the plate 5 to remove the burrs above the other side wall.

[0050] Then, the angle position of the adjusting frame 33 is adjusted through the turning unit 31, and the length direction of the adjusting frame 33 after each adjustment is perpendicular to the length direction of the adjusting frame 33 before the adjustment, then the polishing assembly 6 is moved on the side wall through the translation unit 41 to remove the burrs on the side wall. In this way, the device can realize the removal of all burrs on the four side walls of one side of the plate 5, and the range of action is expanded. Furthermore, when the plate 5 is positioned, the middle part of the plate 5 is supported by the supporting piece 21 first, so that the plate 5 is kept horizontal, then the plate 5 is clamped from four sides by the eight positioning units 22, so that the plate 5 is horizontally positioned. Compared with the positioning by the negative pressure device to extract air to form negative pressure, the mechanical clamping from the outside is more power-saving.

[0051] In the utility model, two positioning units 22 are arranged on each side of the plate 5, and the length directions of the two positioning units 22 are consistent with the length directions of the corresponding side walls of the plate 5. Mainly based on, when the polishing assembly 6 is polishing the side wall of the plate 5, the moving distance of the polishing assembly 6 is detected by the first distance sensor 43 to determine the position, when the polishing assembly 6 is about to touch one of the positioning units 22, the positioning unit 22 removes the positioning operation on the plate 5 to leave space for the polishing assembly 6, so that the positioning unit 22 and the polishing assembly 6 are not in contact and are not abraded. When the polishing assembly 6 passes through the range of the positioning unit 22, the positioning unit 22 restores the clamping and positioning of the side wall of the plate 5. During the removal of the clamping and positioning of the plate 5 by the positioning unit 22, at least one positioning unit 22 acts on the side wall of the plate 5 corresponding to the positioning unit 22, so that the clamping and positioning effect of the plate 5 is ensured, and the position of the plate 5 is not deviated during polishing, so that the effect of removing the burrs is affected.

[0052] In the utility model, as shown in the figure, Figures 1-4As shown, the frame 1 includes a horizontal base 11 and a support 12 fixed above the base 11. The base 11 is horizontally fixed to the ground, and the support 12 has an inverted U-shaped structure. Both ends of the support 12 are fixed to the base 11. In the adjustment assembly 3, the steering unit 31 is located below the inner top wall of the support 12. The length direction and width direction of the base 11 are the first direction and the second direction, respectively. A control panel 8 is provided on one of the outer side walls of the support 12. The control panel 8 facilitates the operation of the positioning support assembly 2, the adjustment assembly 3, the movable assembly 4, and the grinding assembly 6, making the deburring of the sheet metal 5 more convenient and faster.

[0053] A further improvement is that the positioning unit 22 includes a side clamping plate 221 and a moving unit 222. The width direction of the side clamping plate 221 is vertical, and the moving unit 222 drives the side clamping plate 221 to move in the horizontal direction. A support plate 223 is fixed on the side clamping plate 221, and the top surface of the support plate 223 and the top surface of the support member 21 are located on the same plane. The side clamping plate 221 slides on the base 11 and the sliding direction is consistent with the direction of the output end of the moving unit 222. The positioning unit 22 also includes a second distance sensor 224 for detecting the moving distance of the side clamping plate 221.

[0054] Specifically, such as Figures 1-4 As shown, in this utility model, the support member 21 is a support platform integrally formed above the center of the base 11. The support platform is a flat cuboid shape, and its length dimension is smaller than the length dimension of the plate 5, and its width dimension is smaller than the width dimension of the plate 5.

[0055] In order to make the structure more compact, two accommodating notches 211 are arranged on each of the four side walls of the support 21 and are distributed along the length direction of the side wall and are symmetrically arranged, the two accommodating notches 211 correspond to the positioning units 22 on both sides of the support 21, specifically, the moving unit 222 is a moving air cylinder, the cylinder barrel of the moving air cylinder is fixed in the accommodating notch 211, the piston rod extends outward and is axially perpendicular to the side wall where the corresponding accommodating notch 211 is located, the piston rod is fixedly connected with a horizontal positioning sliding block 225, the positioning sliding block 225 is long strip-shaped and extends along the length direction of the side wall where the corresponding accommodating notch 211 is located; both ends of the positioning sliding block 225 penetrate through a positioning guide rod 13, the positioning guide rod 13 is L-shaped, one end of the positioning guide rod 13 is fixed above the edge of the base 11, the other end of the positioning guide rod 13 is fixedly connected with the side wall where the accommodating notch 211 is located; a side clamping plate 221 is fixed to the side of the positioning sliding block 225 which is away from the moving unit 222, the side clamping plate 221 is in the same length direction as the positioning sliding block 225, the top surface of the side clamping plate 221 is located on the horizontal plane of the top surface of the support 21, the distance between the two is the thickness of the plate 5, a supporting plate 223 which is integrally connected with the side clamping plate 221 and is horizontal is arranged above the positioning sliding block 225, the top surface of the supporting plate 223 and the top surface of the support 21 are located on the same plane; a second distance sensor 224 is fixed to the side of the side clamping plate 221 which is adjacent to the support 21 and faces the support 21, and the second distance sensor 224 is located between the positioning sliding block 225 and the supporting plate 223.

[0056] After the above structure is adopted, through the sliding fit of the positioning sliding block 225 and the positioning guide rod 13, it is ensured that the side clamping plate 221 moves stably along the horizontal direction when the moving unit 222 operates, in the positioning state, the supporting plate 223 can support the edge of the plate 5, so that the edge of the plate 5 is prevented from being deformed due to extrusion; and the second distance sensor 224 can detect the distance between the side clamping plate 221 and the support 21, so that the plate 5 is conveniently centered above the support 21 when the plate 5 is positioned, deviation is avoided, and deburring accuracy is ensured.

[0057] Further improvement is that the turning unit 31 comprises a turning motor 311 and a turning frame 312, the turning motor 311 is fixed above the base 11, the output end of the turning motor 311 extends downward and is connected with the turning frame 312, the telescopic unit 32 is arranged on the turning frame 312 and the output end is connected with the adjusting frame 33, the adjusting assembly 3 further comprises a third distance sensor 34 for detecting the telescopic amount of the telescopic unit 32; the turning motor 311 is a stepping motor, and the step angle of the stepping motor is 90°.

[0058] Specifically, as shown in Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, the steering unit 31 further comprises a steering bearing 313 and a top-open steering barrel 314, the steering motor 311 and the outer ring of the steering bearing 313 are both fixed below the top wall of the support 12, the outer ring of the steering bearing 313 is fixedly connected with the steering barrel 314, and the output end of the steering motor 311 penetrates the bottom wall of the steering barrel 314 and is fixedly connected with a horizontal steering frame 312. With this structure, the steering motor 311 is protected by the steering barrel 314, the steering bearing 313 and the top wall of the support 12, the steering motor 311 is selected as a stepping motor with a step angle of 90°, and the steering frame 312 and the adjusting frame 33 are both rotated by 90° with each operation of the steering motor 311, and the two are consistent with the length direction or the width direction of the board 5 in the positioning state.

[0059] The telescopic unit 32 comprises an electric push rod 321 and a telescopic guide rod 322, the electric push rod 321 is fixed on the steering frame 312, the output end thereof is fixedly connected with the adjusting frame 33, the telescopic guide rod 322 is fixedly connected with the adjusting frame 33 and slidably penetrates the adjusting frame 33, so that the adjusting frame 33 can move axially along the telescopic guide rod 322 stably when the electric push rod 321 moves; a third distance sensor 34 is also fixed on the steering frame 312 and faces the adjusting frame 33, the moving distance of the adjusting frame 33 is detected by the third distance sensor 34, so that the position of the polishing assembly 6 is determined, and the grinding wheel 62 in the polishing assembly 6 is located directly above one of the side walls of the board 5.

[0060] In the movable assembly 4, the translation unit 41 and the lifting unit 42 are respectively used to drive the polishing assembly 6 to move horizontally and vertically.

[0061] As shown in Figure 7 and Figure 8 The translation unit 41 comprises a translation motor 411, the output end of the translation motor 411 is coaxially fixed with a translation screw 412 which is parallel to the length direction of the adjusting frame 33, and the two sides of the translation screw 412 are provided with translation guide rods 417 which are parallel to the length direction of the translation screw 412; the two ends of the adjusting frame 33 are fixedly provided with support frames 414, the two ends of the translation guide rods 417 are fixedly connected with the two support frames 414, the translation screw 412 rotates around its own axis between the two support frames 414, the translation screw 412 is threadedly connected with a translation nut 413, the translation nut 413 is fixed on a translation frame 415, the translation frame 415 is further fixed with translation guide sleeves 416 which are in one-to-one sliding fit with the two translation guide rods 417, and the translation frame 415 is connected with the polishing assembly 6 through the lifting unit 42; one of the support frames 414 is further fixedly provided with a first distance sensor 43 which faces the translation frame 415, so as to detect the distance position of the translation frame 415 and further determine the position of the polishing assembly 6 below.

[0062] When the translation motor 411 is started, the translation screw rod 412 is rotated under the support of the two support frames 414, and acts on the translation screw sleeve 413, so that the translation frame 415 drives the lifting unit 42 and the polishing assembly 6 to move stably along the length direction of the adjusting frame 33 by the sliding fit of the translation guide rod 417 and the translation guide sleeve 416.

[0063] Further improvement is that the output end of the lifting unit 42 and the rotating unit 61 are provided with a detection unit 44, which is used to detect the pressure between the grinding wheel 62 and the plate 5.

[0064] The pressure between the grinding wheel 62 and the plate 5 is detected by the detection unit 44, the height of the rotating unit 61 is adjusted by the lifting unit 42, and then the height position of the grinding wheel 62 is changed, so as to realize the pressure adjustment between the grinding wheel 62 and the plate 5, ensure the appropriate pressure between the grinding wheel 62 and the plate 5 during polishing, and improve the polishing precision.

[0065] Further improvement is that the detection unit 44 includes a horizontal detection frame 441, the rotating unit 61 is arranged on the detection frame 441, the detection frame 441 slides on the output end of the lifting unit 42 along the vertical direction, and the detection frame 441 and the output end of the detection unit 44 are connected through the compression spring 442 and the pressure sensor 443; the lifting unit 42 includes a downward fixed lifting motor 421, a lifting screw rod 422 coaxially connected with the lifting motor 421, and a lifting screw sleeve 423 threadedly connected with the lifting screw rod 422, the lifting screw sleeve 423 is fixedly connected with a lifting plate 424, and the detection frame 441 slides on the lifting plate 424.

[0066] Specifically, as shown in Figures 9-12 the lifting motor 421 in the lifting unit 42 is fixed below the translation frame 415, the detection frame 441 is horizontally arranged, both ends are fixed above with lifting guide rods 444 extending along the vertical direction and slidingly fitted with the lifting plate 424, the lifting guide rods 444 are provided with limiting convex rings 445 above the lifting plate 424, and the lower side of the translation frame 415 is further fixed with lifting guide pipes 425 slidingly fitted with the lifting guide rods 444 one by one; in the detection unit 44, the bottom end of the compression spring 442 is connected with the detection frame 441, and the top end is connected with the lifting plate 424 through the pressure sensor 443.

[0067] With the above structure, the lifting motor 421 is started to drive the lifting screw rod 422 to rotate and act on the lifting screw sleeve 423, and under the sliding cooperation of the lifting guide rod 444, the lifting guide pipe 425 and the lifting plate 424, the lifting plate 424 and the lifting screw sleeve 423 move stably along the vertical direction, when the grinding wheel 62 contacts the plate 5, the lifting plate 424 continues to descend, so that the pressure data received by the pressure sensor 443 increases, and the operation of the lifting unit 42 is controlled to make the polishing assembly 6 act on the plate 5 with appropriate pressure, so as to avoid the adverse effects of excessive or insufficient pressure on the plate 5.

[0068] In the utility model, the output end of the rotating unit 61 is detachably connected with the grinding wheel 62, so that the grinding wheel 62 can be conveniently disassembled and repaired after long-term use, the sharpness of the abrasive particles in the grinding wheel 62 is maintained, the service life of the grinding wheel 62 is prolonged, the deburring effect is improved, the machining precision is ensured, and the grinding wheel 62 is also conveniently replaced.

[0069] Further improvement is that the output end of the lifting unit 42 is connected with a shell 63, and the grinding wheel 62 is detachably rotated in the inner side of the shell 63 and protrudes from the bottom of the shell 63.

[0070] Specifically, the shell 63 is adjacent to the horizontal plane of the bottom of the grinding wheel 62, so that the debris generated during the operation of the grinding wheel 62 is concentrated in the shell 63, and the debris is prevented from splashing to the four sides, and the debris particles are conveniently collected and treated.

[0071] Further improvement is that the rotating unit 61 includes a rotating motor 611 connected with the output end of the lifting unit 42, the rotating motor 611 is connected with the output end of the lifting unit 42, the output end of the rotating motor 611 is coaxially connected with a driving wheel 612, the driving wheel 612 is drivingly connected with a driven wheel 614 through a synchronous belt 613, the driven wheel 614 is rotatable on one side of the shell 63, and the synchronous shaft 615 penetrating the grinding wheel 62 is detachably connected between the driven wheel 614 and the shell 63, and the synchronous shaft 615, the grinding wheel 62 and the driven wheel 614 are coaxial.

[0072] Specifically, as shown in Figures 9-12 The rotating motor 611 is fixed below the detection frame 441, and the rotating motor 611 is started to drive the driving wheel 612 to rotate, and the driving wheel 612 acts on the driven wheel 614 through the synchronous belt 613 to drive the grinding wheel 62 to rotate through the synchronous shaft 615.

[0073] Further improvement is that the synchronous shaft 615 is a circular shaft, and the synchronous shaft 615 is provided with a groove 616 and a key 617 which are matched and extend along the axial direction parallel to the synchronous shaft 615 between the driven wheel 614 and the grinding wheel 62; the end of the driven wheel 614 adjacent to the synchronous shaft 615 is coaxial with the insertion tube 64, and the grinding wheel 62 is annular, and the key 617 is arranged on the inner wall of the insertion tube 64 and the inner wall of the grinding wheel 62; the side of the shell cover 63 away from the insertion tube 64 is provided with a screw tube 65, the screw tube 65 is threadedly connected with a bolt 67, the end of the screw tube 65 away from the insertion tube 64 and the cap portion of the bolt 67 are abutted with a limiting frame 66, and the two ends of the synchronous shaft 615 are respectively abutted with the driven wheel 614 and the limiting frame 66.

[0074] Specifically, a grinding bearing 635 is arranged between the driven wheel 614 and the shell cover 63, the outer ring of the grinding bearing 635 is fixedly connected with the shell cover 63, and the inner ring is fixedly connected with the circumferential outer edge of the insertion tube 64, so as to ensure that the insertion tube 64 and the driven wheel 614 can stably rotate around the axial center line relative to the shell cover 63, and the shell cover 63 is fixedly connected with the detection frame 441 through the fixing frame 634; the circumferential inner wall of the insertion tube 64 and the circumferential inner wall of the grinding wheel 62 are both annularly arrayed with four keys 617, and the circumferential outer edge of the synchronous shaft 615 is provided with four grooves 616 which are matched with the four keys 617 one by one. In this way, the synchronous rotation of the driven wheel 614 and the grinding wheel 62 through the synchronous shaft 615 can be realized, and the assembly of the grinding wheel 62 on the shell cover 63 is facilitated.

[0075] When disassembling, after the bolt 67 is unscrewed, the limiting frame 66 is removed, the synchronous shaft 615 can be removed from the inside of the grinding wheel 62 and the shell cover 63, and then the grinding wheel 62 is taken out from the inside of the shell cover 63; when installing the grinding wheel 62, the grinding wheel 62 is installed into the shell cover 63, the keys 617 on the grinding wheel 62 are aligned with the keys 617 on the insertion tube 64, the synchronous shaft 615 is inserted into the inside of the grinding wheel 62, the groove 616 of the synchronous shaft 615 is sleeved on the key 617, one end of the synchronous shaft 615 reaches the bottom of the insertion tube 64, the limiting frame 66 is abutted on the other end of the synchronous shaft 615, the end of the limiting frame 66 is inserted into the bolt 67, the bolt 67 is screwed into the screw tube 65, and the installation of the grinding wheel 62 is completed.

[0076] Further improvement is that the limiting frame 66 is provided with a first positioning tube 661 and a second positioning tube 662, the circumferential inner wall of the first positioning tube 661 and the circumferential inner wall of the second positioning tube 662 are respectively abutted with the circumferential outer edge of the synchronous shaft 615 and the circumferential outer edge of the screw tube 65. With this design, the first positioning tube 661 is sleeved on the end of the synchronous shaft 615 and the second positioning tube 662 is sleeved on the outside of the screw tube 65 at the same time during the installation of the grinding wheel 62, so as to ensure the assembly accuracy.

[0077] Further improvement is that the two opposite side walls of the shell cover 63 are provided with the ball bearings 631, the ball bearings 631 are arranged around the ball center and are attached to the end face of the grinding wheel 62.

[0078] Specifically, as shown in the figure, Figures 13-15 The two opposite side walls of the shell cover 63 are provided with the mounting holes 633, the mounting holes 633 correspond to the ball bearings 631, the inner side of the mounting hole 633 is fixedly provided with the mounting block, and the mounting block is provided with the cavity matched with the ball bearing 631.

[0079] The two unit blocks 632 are fixedly connected (welding can be adopted) to form the mounting block, the opposite recesses of the two unit blocks 632 are communicated to form the cavity matched with the ball bearing 631, then the mounting block is fixed to the inner wall of the mounting hole 633, and the fixing mode is also preferably welding, so that the ball bearing 631 on the mounting block can be in contact with the end face of the grinding wheel 62 to limit the grinding wheel 62, reduce the axial deviation and vibration of the grinding wheel 62 in the high-speed rotation process, and through the rotation of the ball bearing 631 around the axis, the friction between the ball bearing 631 and the grinding wheel 62 is reduced, and the machining precision of the grinding wheel 62 on the plate 5 is ensured.

[0080] Further improvement is that the utility model also includes negative pressure assembly 7, negative pressure assembly 7 is used for continuously extracting the air in the shell cover 63 when the grinding wheel 62 rotates.

[0081] After the above design, the air in the shell cover 63 is continuously extracted by the negative pressure assembly 7 when the grinding wheel 62 rotates, so that the air continuously enters the shell cover 63 and is extracted, carries away the heat on the surface of the plate 5 and the grinding wheel 62, has certain cooling effect on the plate 5 and the grinding wheel 62, so as to prolong the service life of the grinding wheel 62, reduce the thermal stress deformation of the grinding wheel 62 and the plate 5, at the same time, the continuously flowing air can also carry away the splashed particulate matters in the shell cover 63, which is convenient for centralized treatment, thereby reducing the workload of workers.

[0082] Further improvement is that, as shown in the figure, Figures 16-18 The negative pressure assembly 7 comprises a collecting shell 71, a filter element 72 and a negative pressure pump 73, the filter element 72 is detachably arranged in the collecting shell 71 and divides the inner cavity of the collecting shell 71 into an air inlet cavity and an air outlet cavity, the collecting shell 71 is provided with an air inlet 74 and an air outlet 75, the air inlet 74 is communicated between the air inlet cavity and the inner cavity of the shell cover 63, and the air outlet 75 is communicated between the air outlet cavity and the input end of the negative pressure pump 73.

[0083] After the above design, while the burrs on the plate 5 are removed, the negative pressure pump 73 is started, so that the negative pressure is concentrated in the collection shell 71, the air inlet cavity in the inner cavity of the collection shell 71 is communicated with the inner cavity of the shell cover 63 through the air inlet 74, so that the negative pressure is generated on the inner side of the shell cover 63, and the air in the shell cover 63 enters the collection shell 71 through the air inlet 74 and then flows out from the air outlet 75 and is discharged to the outside through the negative pressure pump 73. In the process of air flow, the heat of the grinding wheel 62 and the surface of the plate 5 is driven, so that the cooling of the plate 5 and the grinding wheel 62 is realized. At the same time, the debris generated during grinding is driven into the collection shell 71 by air flow, and is isolated by the filter core 72 to prevent the debris from entering the air outlet cavity and then entering the negative pressure pump 73. In this way, the stable operation of the negative pressure pump 73 is ensured.

[0084] Further improvement is that the filter core 72 is a barrel-shaped structure with an open top, the air inlet 74 is arranged above the filter core 72, and the air outlet 75 is arranged outside or below the filter core 72.

[0085] After the filter core 72 adopts a barrel-shaped structure, it is convenient to isolate and collect the debris particles at the same time. In this way, after the equipment runs for a period of time, the collection shell 71 is opened, the filter core 72 in the collection shell 71 is taken out, and the concentrated debris particles are also conveniently taken out. After the debris particles are poured out, the filter core 72 can be installed in the collection shell 71, which greatly reduces the workload of workers.

[0086] Further improvement is that the collection shell 71 includes a shell body 711 with an open top and a shell cover 712 detachably arranged on the shell body 711, an inner convex frame 713 is arranged on the circumferential inner wall of the shell body 711, and an outer flange 721 is arranged on the top circumferential outer edge of the filter core 72. The circumferential outer edge of the filter core 72 is sealingly attached to the circumferential inner wall of the inner convex frame 713, and the top surface of the inner convex frame 713 is attached to the bottom surface of the outer flange 721.

[0087] By sealingly attaching the circumferential outer edge of the filter core 72 to the circumferential inner wall of the inner convex frame 713, the horizontal position of the filter core 72 installed in the shell body 711 can be limited to avoid deviation in the horizontal direction. The inner convex frame 713 on the inner side of the shell body 711 can support the outer flange 721 and further support the filter core 72.

[0088] Further improvement is that the outer flange 721 is sealingly clamped between the inner convex frame 713 and the shell cover 712.

[0089] Specifically, the top surface of the outward turning edge 721 is provided with a closed loop-shaped and elastic sealing gasket 77, which is a rubber gasket or a silica gel gasket. With this structure, the height of the outward turning edge 721 is limited by the cooperation of the shell cover 712, the sealing gasket 77 and the inner convex frame 713 in the height direction, thereby fixing the height position of the filter element 72 and preventing the filter element 72 from being deviated in the height direction, so as to ensure that the filter element 72 is firmly installed in the shell 711. Alternatively, the sealing gasket 77 can also be clamped between the outward turning edge 721 and the inner convex frame 713.

[0090] Further improvement is that the shell cover 712 and the shell 711 are detachably connected by the vertical screw rod 714 and the nut 715 connected by threads.

[0091] Specifically, the vertical screw rod 714 axially vertically connected to the top of the shell 711 is threadedly connected to the nut 715, and the shell cover 712 is clamped between the nut 715 and the top of the shell 711. In this way, the detachable connection of the shell cover 712 and the shell 711 is achieved, which facilitates the assembly of the filter element 72.

[0092] Further improvement is that the collecting shell 71 is fixed on the adjusting frame 33, and the air inlet 74 and the shell cover 63 are connected by the hose 76.

[0093] Specifically, the shell 711 is fixed on the upper middle part of the adjusting frame 33, and the negative pressure pump 73 is fixed on one side of the shell 711. The hose 76 has a certain elasticity, so that the hose 76 can deform during the lifting movement of the shell cover 63, and the communication between the shell cover 63 and the air inlet cavity can still be maintained through the hose 76. In order to ensure the deformation amount of the hose 76, the hose 76 is preferably a corrugated hose. After the shell 711 is fixed on the adjusting frame 33, it is not affected by the action of the translation unit 41, thereby reducing the load of the translation unit 41.

[0094] Further improvement is that the top of the shell cover 63 is provided with an air outlet communicating with the inner cavity of the shell cover 63, and the air outlet communicates with the hose 76; the air inlet 74 is a through hole provided on the shell cover 712, and the air outlet 75 is a through hole provided on the bottom of the shell 711.

[0095] Specifically, the air outlet is provided on the top of the shell cover 63, and the air outlet is provided with an air outlet pipe 636 which communicates with the hose 76; the air inlet 74 and the air outlet 75 have coaxial axes, and the axes of the two pass through the bottom of the filter element 72.

[0096] After the above design, the air in the shell cover 63 is discharged from the top suction port, enters into the air inlet cavity from the air inlet 74 on the shell cover 712 through the suction pipe 636 and the hose 76, the air inlet 74 is opposite to the bottom of the filter core 72, so that the debris carried by the air can enter into the filter core 72, after the accumulation in the filter core 72, the air is discharged from the four sides of the filter core 72, flows downward and is discharged from the air outlet 75, since the debris particles are accumulated at the bottom of the filter core 72, the four sides of the filter core 72 can keep the communication between the air inlet cavity and the air outlet cavity, in this way, after the air carrying the debris particles enters into the shell 711, the air can be discharged while the debris particles accumulate in the filter core 72.

[0097] The above merely describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make several improvements and refinements without departing from the technical principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A high-precision deburring device for metal sheets, characterized in that, The utility model relates to a kind of plate polishing machine, including: Rack (1), the rack (1) includes pedestal (11); Positioning support component (2), the positioning support component (2) includes the support (21) for being arranged on the pedestal (11) to support board (5), at least two positioning units (22) are provided in the four sides of the support (21), and the positioning unit (22) of two sides is distributed along the first direction, and the positioning unit (22) of other two sides is distributed along the second direction, the first direction and the second direction are horizontal and perpendicular, and the positioning unit (22) is matched to clamp board (5) from four sides and adjust board (5) to length direction and width direction respectively first direction and second direction; Adjusting component (3), the adjusting component (3) is arranged on the top of the positioning support component (2), and the adjusting component (3) includes steering unit (31), telescopic unit (32) and adjusting frame (33), the adjusting frame (33) is long strip, and the steering unit (31) is driven connection with the adjusting frame (33) by the telescopic unit (32), to rotate the adjusting frame (33) in turn to the positioning unit (22) of the four sides of the support (21) correspond and with the distribution direction of positioning unit (22) same length direction; Movable component (4) and polishing component (6), the movable component (4) is arranged on the adjusting frame (33), and the movable component (4) includes translation unit (41), lifting unit (42) and first distance sensor (43), the moving direction of the output end of the translation unit (41) is consistent with the length direction of the adjusting frame (33), the polishing component (6) includes rotating unit (61), shaft center line horizontal and with the rotating unit (61) output end connection's grinding wheel (62) and with the lifting unit (42) output end connection's shell cover (63), the grinding wheel (62) rotates in the inside of the shell cover (63) and bottom end projects from the bottom of the shell cover (63), the rotating unit (61) drives the grinding wheel (62) to rotate around its shaft center line, the translation unit (41) is arranged on the adjusting frame (33) and is transmission connection with the rotating unit (61) by the lifting unit (42), and the first distance sensor (43) is used to detect the moving distance of the polishing component (6); Negative pressure component (7), the negative pressure component (7) is used for continuously extracting air in the shell cover (63) when the grinding wheel (62) rotates.

2. The high-precision deburring apparatus for sheet metal according to claim 1, characterized by: The negative pressure component (7) includes collection shell (71), filter element (72) and negative pressure pump (73), the filter element (72) is detachably arranged in the collection shell (71) and divides the inner chamber of the collection shell (71) into air inlet chamber and air outlet chamber, the air inlet (74) and the air outlet (75) are provided on the collection shell (71), the air inlet (74) is communicated between the air inlet chamber and the inner chamber of the shell cover (63), and the air outlet (75) is communicated between the air outlet chamber and the input end of the negative pressure pump (73).

3. The high-precision deburring apparatus for sheet metal according to claim 2, characterized in that: The filter core (72) is a top-open barrel structure, the air inlet (74) is arranged above the filter core (72), and the air outlet (75) is arranged outside or below the filter core (72).

4. The high-precision deburring apparatus for sheet metal according to claim 2, characterized by: The collecting shell (71) comprises a top-open shell body (711) and a shell cover (712) detachably arranged on the shell body (711), an inner convex frame (713) is arranged on the circumferential inner wall of the shell body (711), the top circumferential outer edge of the filter core (72) is provided with an outer turning edge (721), the circumferential outer edge of the filter core (72) is sealingly attached to the circumferential inner wall of the inner convex frame (713), and the top surface of the inner convex frame (713) is attached to the bottom surface of the outer turning edge (721).

5. The high-precision deburring apparatus for sheet metal according to claim 4, characterized in that: The outer turning edge (721) is sealingly clamped between the inner convex frame (713) and the shell cover (712).

6. The high-precision deburring apparatus for sheet metal according to claim 4, wherein: The top surface and / or the bottom surface of the outer turning edge (721) are provided with a closed-loop and elastic sealing pad (77).

7. The high-precision deburring apparatus for sheet metal according to claim 4, characterized by: The shell cover (712) and the shell body (711) are detachably fixedly connected through a vertically threaded screw rod (714) and a screw cap (715) in threaded connection.

8. The high-precision deburring apparatus for sheet metal according to claim 2, characterized by: The collecting shell (71) is fixed to the adjusting frame (33), and the air inlet (74) and the shell cover (63) are communicated through a hose (76).

9. The high-precision deburring apparatus for sheet metal according to claim 8, characterized in that: The top of the shell cover (63) is provided with an air outlet communicated with the inner cavity thereof, and the air outlet is communicated with the hose (76).

10. The high-precision deburring apparatus for sheet metal according to claim 4, characterized by: The air inlet (74) is a through hole arranged on the shell cover (712), and the air outlet (75) is a through hole arranged on the bottom of the shell body (711).

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