CN114260801A - Piano keyboard sand mechanism and sanding system applying same - Google Patents
Piano keyboard sand mechanism and sanding system applying same Download PDFInfo
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- CN114260801A CN114260801A CN202111611249.2A CN202111611249A CN114260801A CN 114260801 A CN114260801 A CN 114260801A CN 202111611249 A CN202111611249 A CN 202111611249A CN 114260801 A CN114260801 A CN 114260801A
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- 239000004576 sand Substances 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 210000002268 wool Anatomy 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 239000002023 wood Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The invention discloses a piano key sanding mechanism which comprises a rectangular cylinder body and a plurality of piston rods arranged on the cylinder body, wherein the piston rods are uniformly distributed along the length direction of a rod body and can move along the axis direction of the piston rods; the piston rods are vertically arranged, the lower ends of the piston rods are fixedly connected with steel plates, and the plurality of piston rods can move independently; the sanding system comprises a substrate and a sanding belt arranged on the substrate, wherein a support frame for mounting the piano key sanding mechanism is also arranged on the substrate; the base plate is provided with two rotating rollers which are respectively positioned at two ends of the key sand mechanism, and the abrasive belt is sleeved on the two rotating rollers; one part of the abrasive belt is arranged in parallel with the support piece, and the part of the abrasive belt parallel with the support piece is positioned below the support piece, so that the abrasive belt can be pushed by the steel plate to deform; the base plate is also provided with a driving motor, and an output shaft of the driving motor is coaxially and fixedly connected with one of the two rotating rollers. The plate sanding machine has the advantage of better sanding effect on plates.
Description
Technical Field
The invention relates to the field of sander equipment manufacturing, in particular to a piano keyboard sanding mechanism and a sanding system applying the piano keyboard sanding mechanism.
Background
The sander utilizes the cutting action of gravel to smooth the processing traces, burrs, stains and the like on the surface of an object. The sanding device is specially developed for the woodworking plate processing industry, the floor and wallboard processing industry, the bamboo and wood artware processing industry and the bamboo and wood toy processing enterprise.
But because the uneven surface of the wood board causes dead angles in sanding of the wood board by the sander, the wood board cannot be well processed.
Disclosure of Invention
The first aspect of the application provides a piano key sanding mechanism, which comprises a rectangular cylinder body and a plurality of piston rods arranged on the cylinder body, wherein the piston rods are uniformly distributed along the length direction of the rod body and can reciprocate along the axis direction of the piston rods;
the piston rod is vertically arranged, the lower end of the piston rod is fixedly connected with a steel plate, and the plurality of piston rods can move independently.
Through adopting above-mentioned technical scheme, the piston rod can the independent motion, and then makes the piston rod can form the structure of similar key, and a plurality of piston rods can control the steel sheet and form unevenness's shape, make the steel sheet can laminate the surface shape of panel, make things convenient for the steel sheet to compress tightly panel, or make steel sheet control sand light area etc. sand light or polish to panel surface, make sand light area etc. sand light or the in-process of polishing to panel can not produce the dead angle, provide sand light or the effect of polishing.
Optionally, the cylinder body is further provided with a plurality of cavities for accommodating the piston rods, the upper ends of the piston rods are located in the cavities, the parts of the piston rods located in the cavities are fixedly connected with piston plates, and the peripheral sides of the piston plates are attached to the inner walls of the cavities to form sliding seals;
the piston plate divides the cavity into a first air cavity at the upper part and a second air cavity at the lower part, two air passages are formed in the cylinder body, the first air cavities are connected in parallel through one air passage, and the second air cavities are connected in parallel through the other air passage.
By adopting the technical scheme, the two air passages respectively pump high-pressure air into the air cavity I and the air cavity II, and when the air pressure in the air cavity I is greater than that in the air cavity II, the air pressure drives the piston plate to move downwards so as to drive the piston rod to move downwards; when the air pressure in the air cavity II is larger than the air pressure in the air cavity I, the air pressure pushes the piston plate to move upwards, so that the piston rod is driven to move upwards, the movement of the piston rod is conveniently controlled, air pressure driving is adopted, and air backflow is not needed because air can be compressed, so that the reaction of the piston rod is more sensitive.
Optionally, a plurality of air outlets are formed in the upper surface of the cylinder body, the air outlets and the electromagnetic valve are correspondingly arranged, the electromagnetic valve controls the on-off of the air outlets, and the air outlets and the air cavity I are correspondingly communicated.
By adopting the technical scheme. The air outlet is communicated with the air cavity I, and the on-off of the air outlet is controlled by the electromagnetic valve, so that in the process of working of the piston rod, the air pressure entering the air cavity I is ensured to be larger than the air pressure in the air cavity II, the piston rod always has a downward movement trend, when the piston rod needs to move upwards, the air pressure in the air cavity I can be quickly smaller than the air pressure in the air cavity II only by controlling the air outlet to be opened and releasing the pressure in the air cavity I through the electromagnetic valve, and the piston rod can be lifted in a short time; therefore, the piston rod can move up and down in a short distance in a short time, the shape of the steel plate can be changed along with the movement of the plate, and the phenomenon that the shape of the steel plate is not accordant with the surface shape of the plate part below the steel plate due to the movement of the plate is avoided.
Optionally, a supporting part is arranged at the cylinder body;
the supporting piece comprises a supporting plate and two side plates, the supporting plate is horizontally arranged, the side plates are positioned on two sides of the supporting plate in the width direction, and the mounting plate and the supporting plate are fixedly connected to form an I-shaped structure;
the cylinder body is installed in the backup pad, and the piston rod is vertical to pass the backup pad downwards and be connected with the steel sheet.
Through adopting above-mentioned technical scheme, support piece can make things convenient for the installation of cylinder body, and the back is installed on relevant mechanism to the support frame, can make the piston rod control steel sheet warp, avoids because the unstability of cylinder body installation, influences the deformation effect of piston rod control rigid plate.
Optionally, the lower end of the piston rod is fixedly connected with a connecting block, the lower surface of the connecting block is fixedly connected with a pushing block, and the pushing block is connected with the steel plate;
the length of connecting block is less than the length that promotes the piece, and the center of connecting block and the center coincidence that promotes promote, and the length that promotes the piece is the same with the width of steel sheet.
Through adopting above-mentioned technical scheme, the piston rod passes through the connecting block, promotes piece and steel sheet connection, and promotes piece and connecting block length difference, and the length that promotes the piece equals the width of steel sheet the same, and the area of contact of increase piston rod and steel sheet that can be indirect to avoid certain point department on the concentrated steel sheet of the drive force of piston rod, make the steel sheet whole can be along with the promotion of piston rod warp.
Optionally, the outer sides of the two mounting plates are fixedly connected with connecting plates, the connecting plates are vertically arranged, the lower ends of the connecting plates are integrally formed with limiting plates, and the limiting plates are perpendicular to the side walls of the connecting plates;
the limiting plate is positioned under the supporting plate, namely the limiting plate is positioned under the pushing block and is parallel to the pushing block;
the upper surface of limiting plate fixedly connected with a plurality of spring pieces, the spring piece keep away from the one end of limiting plate and steel sheet lower surface butt.
Through adopting above-mentioned technical scheme, because the atmospheric pressure in the air cavity one is greater than the atmospheric pressure in the air cavity two always, so the piston rod is in the trend of downstream always, the in-process that the piston rod rises, air cavity one carries out the pressure release, but because a plurality of air cavities are parallelly connected, avoid the atmospheric pressure of a certain air cavity pressure release in to all the other air cavities one to cause the influence, the pressure release time of air cavity one is very short, in order to ensure that the piston rod can rise to the height that needs in the time of pressure release, the event is equipped with the spring leaf, the spring leaf can assist the rise of piston rod, make the piston rod can rise to accurate height in the time of pressure release.
In a second aspect the present application provides a sanding system,
by adopting the technical scheme, the device comprises a substrate and an abrasive belt arranged on the substrate, wherein a support frame for mounting a piano keyboard mechanism is also arranged on the substrate;
the base plate is provided with two rotating rollers which are respectively positioned at two ends of the key sand mechanism, and the abrasive belt is sleeved on the two rotating rollers;
one part of the abrasive belt is arranged in parallel to the supporting piece, and the part of the abrasive belt, which is parallel to the section bar, is positioned below the supporting piece, so that the abrasive belt can be pushed by the steel plate to deform;
the base plate is also provided with a driving motor, and an output shaft of the driving motor is coaxially and fixedly connected with one of the two rotating rollers.
Through adopting above-mentioned technical scheme, the live-rollers can make partly level and the steel sheet in abrasive band parallel, and the horizontal part in abrasive band be the work portion, and the horizontal part in abrasive band can carry out the dull polish to panel, and the deformation of steel sheet can drive the abrasive band and warp, and then makes the abrasive band can laminate with the surface of panel, makes that the abrasive band can be better sand to panel, improves the effect of sand light.
Optionally, a first limiting roller and a second limiting roller are arranged on the substrate, the first limiting roller is positioned above the second limiting roller, and the abrasive belt is sleeved on the first limiting roller while being sleeved on the two rotating rollers;
and lining belts are sleeved on the second limiting roller and the two rotating rollers, the lining belts are positioned in the inner rings of the abrasive belts, one part of the lining belt is arranged in parallel with the cylinder body, and the parallel part of the lining belt is attached to the abrasive belts.
By adopting the technical scheme, the lining belt can simulate the state that the hand applies force to the abrasive belt, and in the state of manual sanding, the hand can apply force to the abrasive belt according to the abrasive belt, so that the abrasive belt can better process and sand the plate.
Optionally, the lower surface of the steel plate is fixedly connected with a wool felt, and the wool felt is positioned between the steel plate and the lining belt;
the lower surface of the wool felt is fixedly connected with a graphite belt, and the graphite belt is positioned between the wool felt and the lining belt.
By adopting the technical scheme, the number of the piston rods is large, so that the flatness is not very accurate, and the wool felt has elasticity, so that the abrasive belt is adopted for making up, the abrasive belt is made to be more in line with the shape of the surface of a workpiece, and the part with serious local protrusion or recess on the surface of the workpiece can be made up, so that the abrasive belt can sand the surface of a plate better; although the wool felt has elasticity, the surface of the wool felt is rough, so that large friction force exists between the wool felt and the lining belt, relative sliding between the lining belt and the abrasive belt is easily caused, the lining belt is arranged between the abrasive belt and the rotating roller, and therefore in order to avoid influencing the sanding work of the abrasive belt, the graphite belt is arranged, the surface of the graphite belt is smooth, the graphite has lubricating property, so that the friction force between the lining belt and the wool felt can be reduced, relative sliding cannot be generated between the lining belt and the abrasive belt, and influence caused by the sanding work of the abrasive belt is avoided.
Optionally, the upper surface and the both ends of support piece are all fixedly connected with apron, and the apron can cover the space at cylinder body place.
Through adopting above-mentioned technical scheme, can make the space that the cylinder body was located form more inclosed space, avoid the sand light to produce during the piece that gets off gets into the space that the cylinder body was located, avoid the piece to cause the jam to the venthole on the cylinder body, make the operating condition of cylinder body can not receive the influence.
In conclusion, the invention has the following beneficial effects:
1. the piston rods in the cylinder body can move independently, the piston rods can be driven to move by changing the air pressure difference between the first air cavity and the second air cavity, the movement of the piston rods is convenient to control, the tail ends of the piston rods can form a shape with fluctuant heights, the piston rods and the cylinder body form a piano keyboard sand mechanism, the lower ends of the piston rods can control plate-shaped objects such as steel plates to form a shape which is attached to the surface of a plate, and the plate can be compressed, sanded or polished conveniently;
2. the first air cavity is communicated with the outside through the air outlet, the electromagnetic valve controls the on-off of the air outlet, so that the air pressure of the first air cavity can be conveniently controlled, and the purpose of controlling the air pressure difference can be achieved without controlling the pressure of air entering the first air cavity and the second air cavity;
3. the steel plate is arranged below the piston rod, the lining belt is arranged on the lower surface of the steel plate, the abrasive belt is arranged on the lower surface of the lining belt, the piston rod controls the steel plate to deform, the abrasive belt can be controlled to deform, the abrasive belt can be attached to the surface of a plate to sand, the lining belt can simulate the force applied to the abrasive belt by hands, and the abrasive belt sanding effect is improved.
Drawings
Fig. 1 is an overall mechanism schematic diagram of the keysand mechanism in the embodiment.
FIG. 2 is a cross-sectional view showing the relationship between the air passage and the first and second air chambers in the embodiment.
FIG. 3 is a structural view showing the relationship between the support member and the cylinder in the embodiment.
FIG. 4 is a schematic view of the embodiment in which the protruding cover is fastened to the supporting member.
Fig. 5 is a schematic structural diagram of a sanding system in an embodiment.
FIG. 6 is a schematic view of a highlight drive motor in the embodiment.
Description of reference numerals:
1. a cylinder body; 11. a first air cavity; 12. a second air cavity; 13. an airway; 14. an air inlet pipe; 15. an electromagnetic valve; 16. an air outlet; 2. a piston rod; 21. a piston plate; 22. connecting blocks; 23. a pushing block; 3. a support member; 31. a support plate; 32. a side plate; 33. a connecting plate; 34. a limiting plate; 35. a spring plate; 36. a cover plate; 4. a steel plate; 41. wool felt; 42. a graphite tape; 5. a substrate; 51. a rotating roller; 52. a first limiting roller; 53. a second limiting roller; 54. a vertical slot; 55. a cylinder; 56. a slide rail; 57. moving the plate; 6. a support frame; 61. a fixing plate; 62. a cross beam; 63. a vertical plate; 7. an abrasive belt; 8. a liner tape; 9. the motor is driven.
Detailed Description
The application provides a key sand mechanism, and referring to fig. 1, the key sand mechanism comprises a rectangular cylinder body 1 and a plurality of piston rods 2 arranged on the cylinder body 1; one end of each piston rod 2 is inserted into the lower surface of the cylinder body 1, and the plurality of piston rods 2 are uniformly distributed along the length direction of the cylinder body 1; the plurality of piston rods 2 can be individually raised or lowered, so that the plurality of piston rods 2 can form a key-like structure, enabling the lower ends of the piston rods 2 to be formed in a rugged shape.
Referring to fig. 2, a plurality of cavities are formed in a cylinder body 1, a plurality of piston rods 2 are arranged in one-to-one correspondence with the cavities, and the upper ends of the piston rods 2 are located in the cavities; the upper end of the piston rod 2 is fixedly connected with a piston plate 21, the peripheral side of the piston plate 21 and the inner wall of the cavity are in sliding seal, and the cavity is divided into a first air cavity 11 and a second air cavity 12 by the piston plate 21; two air flues 13 have been seted up to cylinder body 1 inside, two air flues 13 respectively with air cavity 11, two 12 intercommunications of air cavity, air cavity 11 is in the same place through an air flue 13 parallel, air cavity two 12 is in the same place through another air flue 13 parallel, air flue 13 can be towards air cavity 11 and air cavity two 12 in rush into gas, when the atmospheric pressure of air cavity 11 is greater than the atmospheric pressure of air cavity two 12, pneumatic drive piston board 21 downstream, thereby make 2 downstream of piston rod, when the atmospheric pressure of air cavity 11 is less than the atmospheric pressure of air cavity two 12, pneumatic drive piston board 21 upward movement, make 2 upstream of piston rod move, so just can reach the purpose of controlling 2 upstream and downstream of piston rod through control atmospheric pressure.
Referring to fig. 1 and 2, the cylinder body 1 is further fixedly connected with two air inlet pipes 14, the two air inlet pipes 14 are respectively communicated with the two air passages 13, and the air inlet pipes 14 provide required high-pressure air for the air passages 13.
Referring to fig. 1 and 2, the upper surface of cylinder body 1 is fixedly connected with a plurality of solenoid valves 15, a plurality of solenoid valves 15 and a plurality of cavity one-to-one set up, a plurality of ventholes 16 have still been seted up on cylinder body 1, venthole 16 and a gas cavity 11 intercommunication, and solenoid valve 15 is located the exit of venthole 16, solenoid valve 15 can control the closure of venthole 16, open, thereby control the discharge of the inside high-pressure gas of a gas cavity 11, when the inside high-pressure gas of a gas cavity 11 discharges, the inside atmospheric pressure of a gas cavity 11 can reduce.
Two air inlet pipes 14 keep the state of air inlet, provide high-pressure gas for the air passage 13 all the time, and then make the air cavity one 11, the inside of the air cavity two 12 all the time have the entering of gas, and the atmospheric pressure of the gas entering the inside of the air cavity one 11 is greater than the atmospheric pressure of the gas entering the inside of the air cavity two 12, thereby make the piston rod 2 move downwards, when the piston rod 2 needs to move upwards, the solenoid valve 15 controls the air outlet 16 to open, make the gas in the air cavity one 11 discharge, and then make the atmospheric pressure in the air cavity one 11 reduce, the atmospheric pressure in the air cavity two 12 is greater than the atmospheric pressure in the air cavity one 11 at this moment, thereby make the piston rod 2 move upwards, and the opening of the air outlet 16 controlled by the solenoid valve 15 is a very short time, thereby the distance that the piston rod 2 rises is controlled to be short, so the pressure relief of a single cavity can not influence the pressure in the other cavities, and the rising and falling of the piston rod 2 move in a short time, the motion of the piston rod 2 is also more like the motion of a key.
Referring to fig. 1 and 3, the cylinder body 1 is further provided with a support member 3, the support member 3 includes a support plate 31 and two side plates 32, the support plate 31 is horizontally and transversely disposed, the cylinder body 1 is fixedly connected to the upper surface of the support plate 31, the side plates 32 are located on two sides of the support plate 31 in the width direction, the side plates 32 and the support plate 31 are integrally formed to form an i-shaped structure, and the support member 3 is installed on the structure of the sander and used for supporting the cylinder body 1.
Referring to fig. 3, the piston rod 2 passes through the lower surface of the protruding support plate 31 of the support plate 31 downwards, the lower end of each piston rod 2 is fixedly connected with the connecting block 22, the lower surface of the connecting block 22 is fixedly connected with the pushing block 23, the lower surface of the pushing block 23 is provided with the steel plate 4, all the pushing blocks 23 are fixedly connected with the steel plate 4, the length of the pushing block 23 is the same as the width of the steel plate 4, and therefore the steel plate 4 can be pushed to deform by the movement of the piston rod 2 to form an uneven shape. The steel plate 4 is used for being attached to the plate, but large protrusions or depressions are easy to exist on the surface of the plate, so that the steel plate 4 can have height fluctuation, and the steel plate 4 can be better attached to the plate. The steel plate 4 is connected with the piston rod 2 through the pushing block 23, so that the piston rod 2 can better control the steel plate 4 to deform; and the piston rod is connected with the pushing block 23 through the connecting block 22, the length of the connecting block 22 is shorter than that of the pushing block 23, and the connecting block 22 and the pushing block 23 form a ladder shape, so that the pushing force of the piston rod 2 can be better transmitted.
One side that two curb plates 32 kept away from each other has still bolted connection vertical connecting plate 33, the lower extreme of the outstanding curb plate 32 of lower extreme of connecting plate 33, and the lower extreme integrated into one piece of connecting plate 33 has limiting plate 34, limiting plate 34 transversely sets up and is on a parallel with and promotes piece 23, the last fixed surface of limiting plate 34 is connected with spring leaf 35, the one end and the 4 lower surface butt of steel sheet that limiting plate 34 were kept away from to spring leaf 35, when piston rod 2 promoted steel sheet 4 downstream, spring leaf 35 atress compression, when steel sheet 4 need rise, piston rod 2 reduces the application of force to steel sheet 4, spring leaf 35 exerts thrust to steel sheet 4 simultaneously, thereby make steel sheet 4 can be faster rise. When steel sheet 4 descends, the atmospheric pressure in air cavity one 11 is greater than the atmospheric pressure in the two 12 air cavities, when steel sheet 4 need rise, pressure release in air cavity one 11 can be controlled to solenoid valve 15, to cause the influence to the atmospheric pressure in remaining cavity when avoiding certain cavity pressure release, so the pressure release time is very short, the event is equipped with spring leaf 35, spring leaf 35 promotes steel sheet 4 and rises, can assist the pressure release of air cavity one 11, and then reduce the required time of pressure release, reduce the influence that causes all the other air cavities one 11 internal gas pressures.
Referring to fig. 3 and 4, the upper surface and both ends of the supporting member 3 are bolted with cover plates 36, the cover plates 36 can shield the area where the cylinder body 1 is located, and the cover plates 36 are matched with the supporting plate 31, so that the cylinder body 1 can be located in a relatively closed space, and the influence of external sundries on the use of the electromagnetic valve 15 is avoided.
This example still discloses a sand light system of using key sand mechanism, refer to fig. 5, including base plate 5, install two support frames 6 on the base plate 5, support piece 3 installs on base plate 5 through two support frames 6, still is equipped with abrasive band 7 on the base plate 5, and a part of abrasive band 7 is the horizontal state and is in the lower surface of cylinder body 1, and steel sheet 4 can be to abrasive band 7 application of force, makes abrasive band 7 warp along with steel sheet 4's deformation, and then makes the laminating that abrasive band 7 can be better sand panel at the panel surface. The base plate 5 is mounted in a sanding machine so that the sanding system is mounted in the sanding machine and the sanding belt 7 is capable of sanding a board entering the sanding machine.
Referring to fig. 5, the supporting frame 6 includes a fixed plate 61 bolted to the base plate 5, a cross beam 62 fixedly connected to the fixed plate 61, and a vertical plate 63 fixedly connected to an end of the cross beam 62 away from the fixed plate 61; the cross beam 62 is positioned above the support 3 and is parallel to the support 3, the vertical plate 63 is attached to the side plate 32, and the vertical plate 63 is bolted with the side plate 32, so that the support 3 and the support frame 6 are connected together to complete the installation of the support.
Referring to fig. 5 and 6, the substrate 5 is further rotatably connected with two rotating rollers 51, the two rotating rollers 51 can rotate along their own axes, the two rotating rollers 51 are respectively located at two ends of the support 3, the abrasive belt 7 is sleeved on the rotating rollers 51, and the two rotating rollers 51 can support the abrasive belt 7, so that a part of the abrasive belt 7 is horizontally arranged, and the abrasive belt 7 can sand the plate.
Referring to fig. 5 and 6, a first limiting roller 52 is further disposed on the substrate 5, a second limiting roller 53 is disposed above the support 3, and the abrasive belt 7 is simultaneously sleeved on the first limiting roller 52 and the two rotating rollers 51, so that the first limiting roller 52 and the two rotating rollers 51 are linked, and the first limiting roller 52 and the two rotating rollers 51 support the abrasive belt 7, so that the abrasive belt 7 is tensioned, and the abrasive belt 7 can be sanded conveniently.
Referring to fig. 5 and 6, a second limiting roller 53 is arranged below a first limiting roller 52, a lining belt 8 is simultaneously sleeved on the second limiting roller 53 and the two rotating rollers 51, the lining belt 8 is arranged at the inner ring of the abrasive belt 7, the two rotating rollers 51 also limit the lining belt 8 to enable a part of the lining belt 8 to be horizontally arranged, the lining belt 8 is also arranged below the support member 3 and parallel to the support member 3, the horizontal part of the lining belt 8 and the parts attached to the two rotating rollers 51 are both attached to the abrasive belt 7, the lining belt 8 is attached to the abrasive belt 7, and in the process of working of the abrasive belt 7, the state of force applied to the abrasive belt 7 by a human hand can be simulated in the manual sanding process, so that the sanding effect of the abrasive belt 7 on a plate can be improved.
Referring to fig. 5 and 6, two vertical grooves 54 are formed in the base plate 5, a vertical upward cylinder 55 is arranged inside each vertical groove 54, slide rails 56 fixed on the base plate 5 are arranged on two vertical sides of each vertical groove 54, a moving plate 57 is connected to each slide rail 56 in a sliding manner, the first limiting roller 52 and the second limiting roller 53 are respectively installed on the two moving plates 57, and the cylinder 55 can drive the moving plates 57 to move up and down, so that the first limiting roller 52 and the second limiting roller 53 can move up and down, and the purpose of controlling the tension force of the abrasive belt 7 and the lining belt 8 is achieved.
Referring to fig. 5 and 6, a driving motor 9 is fixedly arranged on one side of the substrate 5 away from the side where the key sanding mechanism is installed, and an output shaft of the driving motor 9 is coaxially and fixedly connected with one of the two rotating rollers 51, so that the driving motor 9 can drive one rotating roller 51 to rotate, the abrasive belt 7 and the lining belt 8 can rotate, and the driving motor 9 provides power for the operation of the abrasive belt 7.
Referring to fig. 3, a wool felt 41 is fixedly connected to the lower surface of the steel plate 4, and a graphite tape 42 is fixedly connected to the lower surface of the wool felt 41; the wool felt 41 has elasticity, thickness difference is compensated, the number of the piston rods 2 on the cylinder body 1 is large, flatness is not accurate, and wool felt is adopted for compensation; the piston rod 2 controls the abrasive belt 7 to deform, the abrasive belt conforms to the shape of the surface of a plate, and the wool felt has elasticity, so that errors existing in the piston rod 2 can be compensated, and the abrasive belt 7 can be more attached to the shape of the surface of a workpiece. And the part with serious local protrusion or recess on the surface of the workpiece can be compensated, so that the abrasive belt 7 can sand the recess or the protrusion conveniently. The graphite belt 42 is supported by graphite, has certain smoothness, and can reduce the friction force between the lining belt 8 and the wool felt 41, thereby reducing the mutual abrasion between the lining belt 8 and the wool felt 41.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (11)
1. The utility model provides a key sand mechanism which characterized in that: the bar comprises a rectangular cylinder body (1) and a plurality of piston rods (2) arranged on the cylinder body (1), wherein the piston rods (2) are uniformly distributed along the length direction of the bar body, and the piston rods (2) can reciprocate along the axis direction of the rod body;
piston rod (2) vertical setting and the lower extreme fixedly connected with steel sheet (4) of piston rod (2), but a plurality of piston rod (2) independent motion.
2. The key sanding mechanism of claim 1, wherein: the cylinder body (1) is also internally provided with a plurality of cavities for accommodating the piston rods (2), the upper ends of the piston rods (2) are positioned in the cavities, the parts of the piston rods (2) positioned in the cavities are fixedly connected with piston plates (21), and the peripheral sides of the piston plates (21) are attached to the inner walls of the cavities to form sliding seals;
the piston plate (21) divides the cavity into a first air cavity (11) at the upper part and a second air cavity (12) at the lower part, two air passages (13) are formed in the cylinder body (1), the first air cavity (11) is connected in parallel through one air passage (13), and the second air cavity (12) is connected in parallel through the other air passage (13).
3. The key sanding mechanism of claim 1, wherein: the upper surface of the cylinder body (1) is fixedly provided with a plurality of electromagnetic valves (15), and the plurality of electromagnetic valves (15) and the piston rods (2) are arranged in a one-to-one correspondence manner;
a plurality of air outlet holes (16) are formed in the upper surface of the cylinder body (1), the air outlet holes (16) and the electromagnetic valve (15) are correspondingly arranged, the electromagnetic valve (15) controls the air outlet holes (16) to be opened and closed, and the air outlet holes (16) are correspondingly communicated with the air cavity I (11).
4. The key sanding mechanism of claim 1, wherein: a supporting piece (3) is arranged at the cylinder body (1);
the supporting piece (3) comprises a supporting plate (31) and two side plates (32), the supporting plate (31) is horizontally arranged, the side plates (32) are positioned on two sides of the width direction of the supporting plate (31), and the mounting plate and the supporting plate (31) are fixedly connected to form an I-shaped structure;
the cylinder body (1) is arranged on the supporting plate (31), and the piston rod (2) vertically penetrates through the supporting plate (31) downwards to be connected with the steel plate (4).
5. The key sanding mechanism of claim 1, wherein: the lower end of the piston rod (2) is fixedly connected with a connecting block (22), the lower surface of the connecting block (22) is fixedly connected with a pushing block (23), and the pushing block (23) is connected with the steel plate (4);
the length of the connecting block (22) is smaller than that of the pushing block (23), the center of the connecting block (22) is overlapped with that of pushing, and the length of the pushing block (23) is the same as the width of the steel plate (4).
6. The key sanding mechanism of claim 4, wherein: the outer sides of the two mounting plates are fixedly connected with connecting plates (33), the connecting plates (33) are vertically arranged, limiting plates (34) are integrally formed at the lower ends of the connecting plates (33), and the limiting plates (34) are perpendicular to the side walls of the connecting plates (33);
the limiting plate (34) is positioned right below the supporting plate (31), namely the limiting plate (34) is positioned below the pushing block (23), and the limiting plate (34) is parallel to the pushing block (23);
the upper surface of the limiting plate (34) is fixedly connected with a plurality of spring pieces (35), and one ends, far away from the limiting plate (34), of the spring pieces (35) are abutted to the lower surface of the steel plate (4).
7. A sanding system including the key sanding mechanism of any of claims 1-6, wherein: the key sanding machine comprises a base plate (5) and an abrasive belt (7) arranged on the base plate (5), wherein a support frame (6) for mounting a key sanding mechanism is further arranged on the base plate (5);
two rotating rollers (51) are arranged on the base plate (5), the two rotating rollers (51) are respectively positioned at two ends of the key sanding mechanism, and the abrasive belt (7) is sleeved on the two rotating rollers (51);
a part of the abrasive belt (7) is arranged in parallel with the support (3), and the part of the abrasive belt (7) in parallel with the support (3) is positioned below the support (3), and the abrasive belt (7) can be pushed by the steel plate (4) to deform;
the base plate (5) is also provided with a driving motor (9), and an output shaft of the driving motor (9) is coaxially and fixedly connected with one of the two rotating rollers (51).
8. A sanding system according to claim 7, wherein: a first limiting roller (52) and a second limiting roller (53) are arranged on the substrate (5), the first limiting roller (52) is positioned above the second limiting roller (53), and the abrasive belt (7) is sleeved on the first limiting roller (52) while being sleeved on the two rotating rollers (51);
the second limiting roller (53) and the two rotating rollers (51) are sleeved with lining belts (8), the lining belts (8) are positioned in the inner rings of the abrasive belts (7), one part of the lining belts (8) is arranged in parallel with the cylinder body (1), and the parallel part of the lining belts (8) is positioned between the abrasive belts (7) and the graphite belt (42).
9. A sanding system according to claim 8, wherein: the lower surface of the steel plate (4) is fixedly connected with a wool felt (41), and the wool felt (41) is located between the steel plate (4) and the lining belt (8).
10. The lower surface of the wool felt (41) is fixedly connected with a graphite belt (42), and the graphite belt (42) is located between the wool felt (41) and the lining belt (8).
11. A sanding system according to claim 7, wherein: the upper surface and the both ends of support piece (3) are all fixedly connected with apron (36), and apron (36) can cover the space at cylinder body (1) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611249.2A CN114260801A (en) | 2021-12-27 | 2021-12-27 | Piano keyboard sand mechanism and sanding system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111611249.2A CN114260801A (en) | 2021-12-27 | 2021-12-27 | Piano keyboard sand mechanism and sanding system applying same |
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| Publication Number | Publication Date |
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| CN114260801A true CN114260801A (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111611249.2A Pending CN114260801A (en) | 2021-12-27 | 2021-12-27 | Piano keyboard sand mechanism and sanding system applying same |
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| Country | Link |
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| CN (1) | CN114260801A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1009153A (en) * | 1963-03-26 | 1965-11-10 | Siegfried Knupfer | Belt sanding machine |
| CN207087551U (en) * | 2017-09-07 | 2018-03-13 | 佛山市林丰砂光科技有限公司 | A kind of piano type sander |
| CN112589616A (en) * | 2020-12-30 | 2021-04-02 | 青岛建诚伟业机械制造有限公司 | Full-automatic electromagnetic sanding center |
| CN214109944U (en) * | 2020-11-19 | 2021-09-03 | 佛山市林丰砂光科技有限公司 | Piano type segmented pressure system of sander |
| CN214980223U (en) * | 2020-10-24 | 2021-12-03 | 佛山磨可机械有限公司 | Accessible type segmented pressing plate combination mechanism |
-
2021
- 2021-12-27 CN CN202111611249.2A patent/CN114260801A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1009153A (en) * | 1963-03-26 | 1965-11-10 | Siegfried Knupfer | Belt sanding machine |
| CN207087551U (en) * | 2017-09-07 | 2018-03-13 | 佛山市林丰砂光科技有限公司 | A kind of piano type sander |
| CN214980223U (en) * | 2020-10-24 | 2021-12-03 | 佛山磨可机械有限公司 | Accessible type segmented pressing plate combination mechanism |
| CN214109944U (en) * | 2020-11-19 | 2021-09-03 | 佛山市林丰砂光科技有限公司 | Piano type segmented pressure system of sander |
| CN112589616A (en) * | 2020-12-30 | 2021-04-02 | 青岛建诚伟业机械制造有限公司 | Full-automatic electromagnetic sanding center |
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Application publication date: 20220401 |