CN109129129B - Aluminum alloy welding seam grinding machanism - Google Patents
Aluminum alloy welding seam grinding machanism Download PDFInfo
- Publication number
- CN109129129B CN109129129B CN201811196880.9A CN201811196880A CN109129129B CN 109129129 B CN109129129 B CN 109129129B CN 201811196880 A CN201811196880 A CN 201811196880A CN 109129129 B CN109129129 B CN 109129129B
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- abrasive belt
- belt roller
- fixed
- driving wheel
- grinding device
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- 238000000227 grinding Methods 0.000 title claims abstract description 158
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 20
- 238000003466 welding Methods 0.000 title abstract description 10
- 238000005498 polishing Methods 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 30
- 238000003825 pressing Methods 0.000 claims description 48
- 239000007921 spray Substances 0.000 claims description 28
- 239000000428 dust Substances 0.000 abstract description 17
- 238000001238 wet grinding Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000036541 health Effects 0.000 description 7
- 238000003754 machining Methods 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 239000011367 bulky particle Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/008—Machines comprising two or more tools or having several working posts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/08—Dust extraction equipment on grinding or polishing machines specially designed for belt grinding machines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention provides an aluminum alloy welding seam polishing mechanism which comprises a frame, a workpiece positioning device and a polishing device, wherein a working platform is arranged on the frame, a polishing groove is formed in the working platform, the workpiece positioning device is arranged above the polishing groove and is arranged on the working platform, the polishing device is fixedly arranged below the polishing groove, the polishing device comprises a first abrasive belt roller polishing device and a second abrasive belt roller polishing device, a spraying device is arranged between the first abrasive belt roller polishing device and the second abrasive belt roller polishing device, the first abrasive belt roller polishing device and the second abrasive belt roller polishing device are respectively connected with a sliding rail through sliding blocks, the sliding blocks are driven to move through driving devices, the sliding rails are fixed on the side surfaces of a supporting plate which is arranged perpendicular to the working platform, and two ends of the supporting plate are respectively connected with the frame. The double-abrasive belt structure improves the grinding efficiency, has stronger functionality, reduces grinding dust during wet grinding, prolongs the service life of the abrasive belt, and has stronger applicability and high processing precision of processed products.
Description
Technical Field
The invention relates to the technical field of processing equipment of aluminum doors and windows, in particular to an aluminum alloy welding seam polishing mechanism.
Background
At present, the aluminum door and window is generally processed by adopting welding and fixing, and welding residues protruding on the frame body are easily formed on the surface of the aluminum door and window after welding, so that the overall attractiveness is affected. Therefore, the polishing machine needs to polish the product, and ensures that the appearance of the product meets the quality requirement. However, the existing grinding machine is single in general function, can only realize movement in a single grinding direction, is low in grinding efficiency and single in function, can only realize plane grinding, is low in grinding accuracy, and cannot realize small-area position grinding; at present, a grinding machine adopts dry grinding, a large amount of dust is generated in the grinding process, the operating environment is polluted, and small-particle-size dust is easily inhaled into the body of an operator, so that the body health of the operator is influenced. Therefore, developing an aluminum alloy weld joint polishing mechanism which realizes bidirectional grinding, has high grinding accuracy, high grinding efficiency, environmental protection and low health risk to operators is a technical problem which needs to be solved in the field at present.
Disclosure of Invention
The invention provides the aluminum alloy weld grinding mechanism which can perform bidirectional grinding, has high grinding accuracy, strong functionality, high grinding efficiency, environmental protection and no pollution and has low health risk to operators.
The invention can be realized by the following technical scheme:
an aluminum alloy weld joint polishing mechanism which is characterized in that: the grinding device comprises a frame, a workpiece positioning device and a grinding device, wherein a working platform is arranged on the frame, a grinding groove is formed in the working platform, the workpiece positioning device is arranged above the grinding groove and mounted on the working platform, the grinding device is fixedly arranged below the grinding groove, the grinding device comprises a first abrasive belt roller grinding device and a second abrasive belt roller grinding device, a spraying device is arranged between the first abrasive belt roller grinding device and the second abrasive belt roller grinding device, the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are respectively connected with a sliding rail through sliding blocks, the sliding blocks are driven to move through driving devices, the sliding rails are fixed on the side faces of a supporting plate which is perpendicular to the working platform, and two ends of the supporting plate are respectively connected with the frame. The driving device used in the present invention includes, but is not limited to, a motor, a cylinder, a stepper, etc. According to the invention, the driving device drives the sliding block to reciprocate along the sliding rail, so that the first abrasive belt roller grinding device and the second abrasive belt roller grinding device which are fixed on the sliding block are driven to reciprocate or unidirectionally move, repeated grinding or unidirectionally grinding is realized according to product requirements, and the applicability is strong; when the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are respectively provided with the fine abrasive belt and the coarse abrasive belt, the unidirectional movement can simultaneously polish and polish the workpiece to be processed, and when the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are respectively provided with the coarse abrasive belt or the fine abrasive belt, the reciprocating movement can realize the polishing or the polishing of the workpiece, and the functionality is stronger. A spraying device is arranged between the first abrasive belt roller grinding device and the second abrasive belt roller grinding device and sprays lubricating liquid or water to the first abrasive belt roller grinding device and the second abrasive belt roller grinding device respectively, so that wet grinding is realized, grinding dust can be reduced, pollution to an operating environment is reduced, and small-particle-size dust is prevented from affecting the health of operators; the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are arranged in parallel to improve the contact area of the abrasive belt and the part to be processed, and the positions of the abrasive belt and the part to be processed are in line contact through roller type grinding, so that the grinding efficiency and the grinding accuracy are improved. In order to improve the holistic stability of work platform, the backup pad that sets up is except being used for fixed slide rail, still is connected with the frame, forms firm bearing structure with the frame, guarantees that work platform is difficult to the compressive deformation, guarantees the grinding accuracy.
Further, spray set includes accommodation groove, pump, shower and shower head, the accommodation groove sets up in the frame bottom, shower one end sets up in the accommodation groove and is connected with the pump, and the other end is equipped with the shower head. Through setting up spray set between first abrasive band gyro wheel grinding device and second abrasive band gyro wheel grinding device, spout lubricating liquid or water to abrasive band and wait to process on the work piece to realize wet grinding, and can cool off the heat that the quick friction produced of grinding process, extension abrasive band life reduces the dust that produces through the water spray simultaneously and fly away everywhere in the process of polishing, reduces the injury of dust to the operation workman's health, has also improved the cleanliness in workshop. The spraying device pumps the water in the accommodating groove to the spraying pipe through the pump, sprays the water onto the abrasive belts of the first abrasive belt roller grinding device and the second abrasive belt roller grinding device through the spraying head, and the spraying water can flow back into the accommodating groove along the abrasive belts, so that the cyclic utilization is realized, and the resources are saved.
Further, the spray header comprises a first spray header and a second spray header, wherein the first spray header is arranged towards the first abrasive belt roller grinding device, and the second spray header is arranged towards the second abrasive belt roller grinding device. The first spray header and the second spray header are arranged, so that the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are guaranteed to have water spraying, the service life of the abrasive belt is prolonged, and the effect of polishing dust is reduced.
Further, the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are respectively provided with a fixed bottom plate, a driving wheel, an elastic wheel, a height adjusting device and an abrasive belt, wherein the fixed bottom plate is fixedly connected with the sliding block and is perpendicular to the working platform, the driving wheel is fixed at the lower end of the fixed bottom plate, the driving wheel is fixed above the driving wheel through the height adjusting device, the elastic wheel is arranged between the driving wheel and the driving wheel, the elastic wheel is connected with the fixed bottom plate through an angle adjusting device, the abrasive belt forms a closed belt loop through the driving wheel, the elastic wheel and the conveying wheel, and the driving wheel is driven by a motor. The fixed bottom plate is used as a carrier of the first abrasive belt roller grinding device and the second abrasive belt roller grinding device, the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are driven by the sliding block to reciprocate for grinding, the driving wheel is driven by the motor to rotate, the abrasive belt is driven by the driving wheel to rotate, the abrasive belt is circularly rotated for grinding, the abrasive belt is in line contact with the position of a part to be processed during movement, the abrasive belt is tangentially polished, the grinding precision is high, the tightness of the abrasive belt is regulated by the elastic wheel, and the grinding force of the abrasive belt is regulated according to different product requirements.
Further, the height adjusting device comprises a driving wheel fixing frame, a lifting rod and an adjusting rotating wheel, one end of the lifting rod is connected with the center of the driving wheel through the driving wheel fixing frame, and the other end of the lifting rod is connected with the adjusting rotating wheel. The lifting rod is controlled to rotate by the adjusting rotating wheel so as to drive the driving wheel fixing frame to lift, so that the height of the driving wheel can be adjusted according to the thickness of welding residues of a workpiece to be processed, the tight contact between the abrasive belt and the surface of the workpiece to be processed is ensured, and the complete grinding is ensured.
Further, the angle adjusting device comprises a fixed cross shaft and an angle adjusting shaft, one end of the fixed cross shaft is fixed on the fixed bottom plate, the other end of the fixed cross shaft is rotatably connected with one end of the angle adjusting shaft and is fixed through an elastic nut, and the other end of the angle adjusting shaft is connected with the center of the elastic wheel. The angle adjusting device is used for adjusting the tightness of the abrasive belt, and the angle of the angle adjusting shaft and the fixed transverse shaft is adjusted through adjusting the elastic nut, so that the tightness of the abrasive belt is adjusted, when the inner angle between the fixed transverse shaft and the angle adjusting shaft is larger, the bonding degree of the abrasive belt and the driving wheel is tighter, and conversely, when the inner angle between the fixed transverse shaft and the angle adjusting shaft is smaller, the bonding degree of the abrasive belt and the driving wheel is looser.
Further, the workpiece positioning device comprises a pressing cross arm and a workpiece positioning plate, one end of the pressing cross arm is fixed on the working platform, a pressing mechanism is arranged below the other end of the pressing cross arm, the pressing mechanism is symmetrically arranged along two side edges of the grinding groove, a power switch is further arranged on the pressing cross arm, and the workpiece positioning plate is fixedly arranged along the edge of the grinding groove. The pressing cross arm is arranged, the workpiece to be machined is pressed through the pressing mechanism, the workpiece to be machined is fixed on the working platform, the part to be machined is exposed on the grinding machining groove, shifting in the machining process is avoided, machining precision is improved, and meanwhile the whole equipment is controlled to run through the power switch.
Further, the hold-down mechanism includes the fixed column, fixed column one end is equipped with the fixed block or presses the gluey head, the fixed column other end is connected with the cylinder, the cylinder is connected with the barometer that sets up on pressing the xarm. The fixed column is lifted through cylinder control, and the fixed is pressed after the abdication and the work piece placed when realizing that the work piece is placed, is equipped with the fixed block at the fixed column other end or presses the gluey head, disperses to press the pressure, avoids pressing the damage work piece, and accessible barometer reads cylinder pressure to adjust cylinder pressure according to work piece thickness and material, avoid damaging the work piece.
Further, one end of the pressing cross arm provided with the pressing mechanism is also provided with positioning laser. The workpiece polishing and placing position is guided by setting the positioning laser, the workpiece placing position can be adjusted by the positioning laser according to the polishing times of the abrasive belt, the full surface of the abrasive belt is guaranteed to be fully utilized, and the utilization rate is high.
Further, a baffle is arranged on one side of the grinding groove, the baffle comprises a first side plate and a second side plate, the first side plate is connected with the pressing cross arm, and the second side plate is connected with the first side plate and parallel to the pressing cross arm. The baffle is arranged on one side of the grinding groove, so that dust is prevented from drifting to a workpiece to cause surface pollution of the workpiece, and the workpiece can be protected from being damaged due to sputtering of bulky particle impurities.
The aluminum alloy welding seam polishing mechanism has the following beneficial effects:
the first and the second abrasive belt structure are arranged to improve the grinding efficiency, so that the functionality is stronger; according to the invention, the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are arranged, so that the contact area between a workpiece and an abrasive belt is increased, and the grinding efficiency is improved; when the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are respectively provided with the fine abrasive belt and the coarse abrasive belt, the unidirectional movement can simultaneously polish and polish the workpiece to be processed, and when the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are respectively provided with the coarse abrasive belt or the fine abrasive belt, the reciprocating movement can realize the polishing or the polishing of the workpiece, so that the functionality is stronger;
secondly, wet polishing is realized, the service life of the abrasive belt is prolonged, polishing dust is reduced, the environmental protection production requirement is met, and the health of operators is protected; according to the invention, the spraying device is arranged between the first abrasive belt roller grinding device and the second abrasive belt roller grinding device, the workpiece and the abrasive belt are moistened by spraying the lubricating liquid or the water, so that wet grinding is realized, dust generated by grinding is reduced due to continuous spraying, the cleanliness of the production environment is improved, dust pollution is avoided, operators are protected from being damaged by dust, the high temperature generated by high-strength friction is reduced, and the service life of the abrasive belt is prolonged;
thirdly, the product applicability is strong; the first abrasive belt roller grinding device and the second abrasive belt roller grinding device of the invention are both used for adjusting the heights of the driving wheels through the height adjusting device, so that the driving wheels can adjust the proper heights according to the thickness of the part, which is required to be ground, of the workpiece, the abrasive belt is ensured to be in close contact with the workpiece, the grinding effect is ensured, and the abrasive belt grinding device is applicable to products with different thicknesses and has strong applicability;
fourth, the machining precision is high; according to the invention, the workpiece to be processed is fixed on the working platform through the pressing cross arm, the workpiece is limited by the workpiece locating plate, the workpiece is prevented from shifting in the processing process, the supporting plate arranged under the working platform and the frame form a stable framework, so that the working platform has better bearing capacity, the heavy deformation is avoided, the processing precision is reduced, the position where the workpiece is located through locating laser, the abrasive belt is ensured to be fully contacted with the workpiece, the heights of the abrasive belt can be adjusted by the first abrasive belt roller grinding device and the second abrasive belt roller grinding device according to the thickness of the workpiece through the height adjusting device, the workpiece can be fully polished, the first abrasive belt roller grinding device and the second abrasive belt roller grinding device drive the driven wheel and the elastic wheel through the driving wheel, the abrasive belt is controlled to be in line contact with the surface of the workpiece to be processed through the driven wheel, and the tangential grinding is realized, and the processing precision is greatly improved.
Drawings
FIG. 1 is a schematic diagram of an aluminum alloy weld polishing mechanism;
FIG. 2 is a second schematic structural view of the aluminum alloy weld polishing mechanism of the present invention;
FIG. 3 is a schematic side view of the aluminum alloy weld polishing mechanism of the present invention;
FIG. 4 is a schematic diagram of the internal structure of the aluminum alloy weld polishing mechanism of the invention;
FIG. 5 is a rear view of the internal structure of the aluminum alloy weld grinding mechanism of the present invention;
FIG. 6 is an enlarged view of a part of the structure of the polishing mechanism for the aluminum alloy weld joint of the invention.
As shown in the accompanying drawings:
1. a frame;
2. a working platform; 21. grinding the groove; 22. a baffle; 221. a first side plate; 222. a second side plate;
3. a workpiece positioning device; 31. pressing the cross arm; 32. a workpiece positioning plate; 33. fixing the column; 34. pressing the rubber head; 35. a power switch; 36. an air pressure gauge; 37. positioning laser;
4. a grinding device; 41. a first belt roller grinding device; 42. a second belt roller grinding device; 401. a fixed bottom plate; 402. a driving wheel; 403. a driving wheel; 404. an elastic wheel; 405. abrasive belt; 406. a driving wheel fixing frame; 407. a lifting rod; 408. adjusting the rotating wheel; 409. fixing a transverse shaft; 410. an angle adjusting shaft; 411. tightening the nut; 43. a slide block; 44. a slide rail; 45. a driving device;
51. a receiving groove; 52. a shower pipe; 53. a spray header; 531. a first showerhead; 532. a second showerhead;
6. a workpiece.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the following examples and the accompanying drawings.
As shown in fig. 1 to 5, an aluminum alloy weld joint polishing mechanism comprises a frame 1, a workpiece positioning device 3 and a polishing device 4, wherein a working platform 2 is arranged on the frame 1, a polishing groove 21 is arranged on the working platform 2, the workpiece positioning device 3 is arranged above the polishing groove 21 and is arranged on the working platform 2, the polishing device 4 is fixedly arranged below the polishing groove 21, the polishing device 4 comprises a first abrasive belt roller polishing device 41 and a second abrasive belt roller polishing device 42, a spraying device is arranged between the first abrasive belt roller polishing device 41 and the second abrasive belt roller polishing device 42, the first abrasive belt roller polishing device 41 and the second abrasive belt roller polishing device 42 are respectively connected with a sliding rail 44 through a sliding block 43, the sliding block 43 is driven to move through a driving device 45, the sliding rail 44 is fixed on the side surface of a supporting plate (not shown in the figure) which is arranged perpendicular to the working platform, and two ends of the supporting plate are respectively connected with the frame 1. The driving device 45 drives the sliding block 43 to reciprocate along the sliding rail 44, so that the first abrasive belt roller grinding device 41 and the second abrasive belt roller grinding device 42 which are fixed on the sliding block 43 are driven to reciprocate or move unidirectionally, repeated grinding or unidirectional grinding is realized according to the product requirement, and the applicability is high; when the first abrasive belt roller grinding device 41 and the second abrasive belt roller grinding device 42 are respectively provided with the fine abrasive belt and the coarse abrasive belt, the unidirectional movement can simultaneously polish and polish the workpiece to be processed, and when the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are respectively provided with the coarse abrasive belt or the fine abrasive belt, the reciprocating movement can realize the polishing or the polishing of the workpiece, and the functionality is stronger. A spraying device is arranged between the first abrasive belt roller grinding device 41 and the second abrasive belt roller grinding device 42 to spray water to the first abrasive belt roller grinding device 41 and the second abrasive belt roller grinding device 42 respectively, so that wet grinding is realized and grinding dust can be reduced; the first belt roller grinding device 41 and the second belt roller grinding device 42 are arranged in parallel to improve the contact area between the belt 405 and the part to be processed and improve the grinding efficiency. In order to improve the overall stability of the working platform, the supporting plate (not marked in the figure) is used for fixing the sliding rail, is connected with the frame, forms a stable supporting structure with the frame, ensures that the working platform is not easy to deform under pressure, and ensures grinding accuracy.
As shown in fig. 1, 2, 4 and 6, the spraying device comprises a containing groove 51, a pump, a spraying pipe 52 and a spraying head 53, the containing groove 51 is arranged at the bottom of the frame, one end of the spraying pipe 52 is arranged in the containing groove and connected with the pump, and the other end of the spraying pipe is provided with the spraying head 53. The spray header 53 comprises a first spray header 531 and a second spray header 532, wherein the first spray header 531 is arranged towards the first abrasive belt roller grinding device 41, and the second spray header 532 is arranged towards the second abrasive belt roller grinding device 42. Through setting up spray set between first abrasive band gyro wheel grinding device 41 and second abrasive band gyro wheel grinding device 42, the water spray is to abrasive band 405 and wait to process work piece 6 to realize wet grinding, and can cool off the heat that the quick friction produced of grinding process, extension abrasive band 405 life reduces the dust that produces through the water spray and fly away everywhere in the process of polishing simultaneously, reduces the injury of dust to the operation workman's health, has also improved the cleanliness in workshop. The spraying device pumps the water in the accommodating groove 51 to the spraying pipe 52 through the pump, sprays the water onto the abrasive belt 405 of the first abrasive belt roller grinding device 41 and the second abrasive belt roller grinding device 42 through the spraying head 53, and the spraying water can flow back into the accommodating groove 51 along the abrasive belt 405, so that the cyclic use is realized, and the resources are saved.
As shown in fig. 4 and fig. 5, the first belt roller grinding device and the second belt roller grinding device are respectively provided with a fixed bottom plate 401, a driving wheel 402, a driving wheel 403, an elastic wheel 404, a height adjusting device and a belt 405, wherein the fixed bottom plate 401 is fixedly connected with the sliding block 44 and is perpendicular to the working platform 2, the driving wheel 402 is fixed at the lower end of the fixed bottom plate 401, the driving wheel 403 is fixed above the driving wheel 402 through the height adjusting device, the elastic wheel 404 is arranged between the driving wheel 402 and the driving wheel 403, the elastic wheel 404 is connected with the fixed bottom plate 401 through an angle adjusting device, the belt 405 forms a closed belt loop through the driving wheel 402, the elastic wheel 404 and the conveying wheel 403, and the driving wheel 402 is driven by the motor 46. The fixed bottom plate 401 is used as a carrier of the first abrasive belt roller grinding device 41 and the second abrasive belt roller grinding device 42, the first abrasive belt roller grinding device 41 and the second abrasive belt roller grinding device 42 are driven by the sliding block 43 to realize reciprocating grinding, the driving wheel 402 is driven to rotate by the driving device 45, the abrasive belt 405 is driven to drive the driving wheel 403 to rotate, the abrasive belt 405 is driven to circularly rotate for grinding, the tightness of the abrasive belt is regulated by the elastic wheel 404, and the grinding force of the abrasive belt 405 is regulated according to different workpiece 6 requirements.
As shown in fig. 4, the height adjusting device comprises a driving wheel fixing frame 406, a lifting rod 407 and an adjusting rotating wheel 408, wherein one end of the lifting rod 407 is connected with the center of the driving wheel 403 through the driving wheel fixing frame 406, and the other end of the lifting rod is connected with the adjusting rotating wheel 408. The lifting rod 407 is controlled to rotate by the adjusting rotating wheel 408 so as to drive the driving wheel fixing frame 406 to lift, so that the height of the driving wheel can be adjusted according to the thickness of welding residues of the workpiece 6 to be processed, the tight contact between the abrasive belt and the surface of the workpiece to be processed is ensured, and the complete grinding is ensured. The angle adjusting device comprises a fixed cross shaft 409 and an angle adjusting shaft 410, one end of the fixed cross shaft 409 is fixed on the fixed bottom plate 401, the other end of the fixed cross shaft 409 is rotatably connected with one end of the angle adjusting shaft 410 and is fixed through an elastic nut 411, and the other end of the angle adjusting shaft 410 is connected with the center of the elastic wheel 404. The angle adjusting device is used for adjusting tightness of the abrasive belt 405, and adjusts an angle between the angle adjusting shaft 410 and the fixed transverse shaft 409 by adjusting the tightness nut 411, so as to adjust tightness of the abrasive belt 405, when an inner angle between the fixed transverse shaft 409 and the angle adjusting shaft 410 is larger, the bonding degree between the abrasive belt 405 and the driving wheel 402 and the driving wheel 403 is tighter, and conversely, when an inner angle between the fixed transverse shaft 409 and the angle adjusting shaft 410 is smaller, the bonding degree between the abrasive belt 405 and the driving wheel 402 and the driving wheel 403 is looser.
As shown in fig. 1, 2 and 3, the workpiece positioning device includes a pressing cross arm 31 and a workpiece positioning plate 32, one end of the pressing cross arm 31 is fixed on the working platform 2, a pressing mechanism is arranged below the other end of the pressing cross arm 31, the pressing mechanism is symmetrically arranged along two side edges of the grinding groove 21, a power switch 35 is further arranged on the pressing cross arm 31, and the workpiece positioning plate 32 is fixedly arranged along the edge of the grinding groove 21. The pressing cross arm 31 is arranged, the workpiece 6 to be machined is pressed through the pressing device, the workpiece is fixed on the working platform 2, the part to be machined is exposed on the grinding machining groove 21, shifting in the machining process is avoided, machining precision is improved, and meanwhile the whole equipment is controlled to operate through the power switch 35.
As shown in fig. 1, 2 and 3, the pressing mechanism includes a fixed column 33, one end of the fixed column 33 is provided with a pressing rubber head 34 or a fixed block, the other end of the fixed column 33 is connected with an air cylinder (not shown in the figures), and the air cylinder (not shown in the figures) is connected with an air pressure gauge 36 disposed on the pressing cross arm 31. The end of the pressing cross arm 31 provided with the pressing mechanism is also provided with a positioning laser 37. The fixed column 33 is controlled to lift through a cylinder (not marked in the figure), so that yielding when the workpiece 6 is placed and pressing fixation after the workpiece 6 is placed are realized, the other end of the fixed column 3 is provided with a pressing rubber head 34, the workpiece 6 is prevented from being damaged by strong pressing, and the cylinder pressure can be read through the barometer 36, so that the cylinder (not marked in the figure) pressure is regulated according to the thickness and the material of the workpiece 6, and the workpiece is prevented from being damaged.
As shown in fig. 1 and 2, a baffle 22 is disposed on one side of the grinding groove 21, the baffle 22 includes a first side plate 221 and a second side plate 222, the first side plate 221 is connected to the pressing cross arm 31, and the second side plate 222 is connected to the first side plate 221 and parallel to the pressing cross arm 31. The baffle 22 is arranged on one side of the grinding groove 21, so that dust is prevented from drifting to the workpiece to cause surface pollution of the workpiece 6, and the workpiece 6 can be protected from being damaged due to sputtering of bulky particle impurities on the surface of the workpiece 6.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way; those skilled in the art will readily appreciate that the present invention may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present invention are possible in light of the above teachings without departing from the scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the present invention.
Claims (5)
1. An aluminum alloy weld joint polishing mechanism which is characterized in that: the grinding device comprises a first abrasive belt roller grinding device and a second abrasive belt roller grinding device, a spraying device is arranged between the first abrasive belt roller grinding device and the second abrasive belt roller grinding device, the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are respectively connected with a sliding rail through sliding blocks, the sliding blocks are driven to move through driving devices, the sliding rails are fixed on the side surfaces of a supporting plate which is perpendicular to the working platform, and two ends of the supporting plate are respectively connected with the frame;
the first abrasive belt roller grinding device and the second abrasive belt roller grinding device are respectively provided with a fixed bottom plate, a driving wheel, an elastic wheel, a height adjusting device and an abrasive belt, wherein the fixed bottom plate is fixedly connected with the sliding block and is perpendicular to the working platform, the driving wheel is fixed at the lower end of the fixed bottom plate, the driving wheel is fixed above the driving wheel through the height adjusting device, the elastic wheel is arranged between the driving wheel and the driving wheel, the elastic wheel is connected with the fixed bottom plate through an angle adjusting device, the abrasive belt passes through the driving wheel, the elastic wheel and the conveying wheel form a closed belt loop, and the driving wheel is driven by a motor;
the height adjusting device comprises a driving wheel fixing frame, a lifting rod and an adjusting rotating wheel, one end of the lifting rod is connected with the center of the driving wheel through the driving wheel fixing frame, and the other end of the lifting rod is connected with the adjusting rotating wheel;
the angle adjusting device comprises a fixed cross shaft and an angle adjusting shaft, one end of the fixed cross shaft is fixed on a fixed bottom plate, the other end of the fixed cross shaft is rotationally connected with one end of the angle adjusting shaft and is fixed through an elastic nut, and the other end of the angle adjusting shaft is connected with the center of the elastic wheel;
the workpiece positioning device comprises a pressing cross arm and a workpiece positioning plate, one end of the pressing cross arm is fixed on the working platform, a pressing mechanism is arranged below the other end of the pressing cross arm, the pressing mechanism is symmetrically arranged along the edges of two sides of the grinding groove, a power switch is further arranged on the pressing cross arm, and the workpiece positioning plate is fixedly arranged along the edge of the grinding groove;
the pressing mechanism comprises a fixed column, one end of the fixed column is provided with a fixed block or a pressing rubber head, the other end of the fixed column is connected with a cylinder, and the cylinder is connected with a barometer arranged on a pressing cross arm.
2. An aluminum alloy weld grinding mechanism as defined in claim 1, wherein: the spraying device comprises a containing groove, a pump, a spraying pipe and a spraying head, wherein the containing groove is arranged at the bottom of the frame, one end of the spraying pipe is arranged in the containing groove and connected with the pump, and the spraying head is arranged at the other end of the spraying pipe.
3. An aluminum alloy weld grinding mechanism as defined in claim 2, wherein: the spray header comprises a first spray header and a second spray header, wherein the first spray header is arranged towards the first abrasive belt roller grinding device, and the second spray header is arranged towards the second abrasive belt roller grinding device.
4. An aluminum alloy weld grinding mechanism as defined in claim 1, wherein: and one end of the pressing cross arm, which is provided with the pressing mechanism, is also provided with positioning laser.
5. An aluminium alloy weld grinding mechanism according to any one of claims 1 to 4, wherein: one side of the grinding groove is provided with a baffle plate, the baffle plate comprises a first side plate and a second side plate, the first side is connected with the pressing cross arm, and the second side plate is connected with the first side plate and parallel to the pressing cross arm.
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| CN201811196880.9A CN109129129B (en) | 2018-10-15 | 2018-10-15 | Aluminum alloy welding seam grinding machanism |
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| CN201811196880.9A CN109129129B (en) | 2018-10-15 | 2018-10-15 | Aluminum alloy welding seam grinding machanism |
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| CN109129129B true CN109129129B (en) | 2023-12-22 |
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| CN109719599A (en) * | 2019-03-13 | 2019-05-07 | 广东智多慧智能装备有限公司 | Aluminum section door window frame grinding device |
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| CN109129129A (en) | 2019-01-04 |
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