CN117961686A - Hand-held floor grinding machine and use method thereof - Google Patents
Hand-held floor grinding machine and use method thereof Download PDFInfo
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- CN117961686A CN117961686A CN202410361786.3A CN202410361786A CN117961686A CN 117961686 A CN117961686 A CN 117961686A CN 202410361786 A CN202410361786 A CN 202410361786A CN 117961686 A CN117961686 A CN 117961686A
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Abstract
The invention provides a hand-held floor grinding machine and a use method thereof, which relate to the technical field of floor grinding machines and comprise the following steps: a hand-held frame; two supporting wheels are arranged at the bottom of the walking frame, and the front end of the walking frame is connected with a cover body; the top of the cover body is fixedly connected with a top cover through bolts, and the top of the top cover is fixedly provided with a motor; the top cover is internally and rotatably connected with a large gear, and a driving shaft of the motor is connected with the large gear; the outer part of the cover body is connected with a dustproof outer baffle in a sliding way; the grinding device is characterized in that three grinding seats are connected to the bottom of the cover body in a rotating mode, a pinion is arranged at the top of each grinding seat, and the pinion is located in the top cover. According to the invention, the movable limit ring is matched with the grinding seat, so that the grinding seat and the grinding disc are prevented from moving downwards while the rotation synchronism of the grinding seat and the grinding disc is ensured, and the grinding disc is more convenient to assemble, disassemble and replace. The problem of current terrace grinds inside abrasive disc of machine adopts the bolt mode to connect fixedly usually, but follow-up dismantlement change the degree of difficulty great, required consuming time longer is solved.
Description
Technical Field
The invention relates to the technical field of floor grinding machines, in particular to a hand-held floor grinding machine and a use method thereof.
Background
The floor grinder is mainly used for ground grinding treatment, can effectively grind terrazzo, concrete surface layer and epoxy mortar layer, or renew such surface which is deteriorated or damaged due to abrasion, and has the characteristics of portability, flexibility, high working efficiency and the like.
When the existing floor grinding machine is used, the grinding disks used for grinding floors are connected and fixed in a bolt mode, and the number of the grinding disks is three or four, so that the firmness of connection can be effectively guaranteed by adopting the bolt mode for connection, but the subsequent disassembly and replacement are relatively high in difficulty, the required time consumption is relatively long, and the floor grinding progress is easily affected.
Disclosure of Invention
The embodiment of the disclosure relates to a walking type floor grinding machine and a use method thereof, which solve the problems that when the existing floor grinding machine is used, the grinding disks used for grinding floors are connected and fixed in a bolt mode, as the number of the grinding disks is three or four, the firmness of connection can be effectively ensured by adopting the bolt mode for connection, but the subsequent disassembly and replacement are relatively difficult, the time consumption is relatively long, and the grinding progress of the floors is easy to influence.
The first aspect of the present disclosure provides a hand-held floor grinding machine, specifically comprising: a hand-held frame; two supporting wheels are arranged at the bottom of the walking frame, and the front end of the walking frame is connected with a cover body; the top of the cover body is fixedly connected with a top cover through bolts, and the top of the top cover is fixedly provided with a motor; the top cover is internally and rotatably connected with a large gear, and a driving shaft of the motor is connected with the large gear; the outer part of the cover body is connected with a dustproof outer baffle in a sliding way; three grinding seats are connected with the bottom of the cover body in a rotating way, small gears are arranged at the tops of the grinding seats, the small gears are positioned in the top cover, and the large gears are meshed with the three small gears; the top of the grinding seat is connected with a movable limit ring, the bottom of the grinding seat is provided with a grinding disc, and the grinding disc is connected with the movable limit ring; the left end and the right end of the hand rack are both connected with limiting pieces, and the limiting pieces are connected with the cover body.
In at least some embodiments, the bottom side of the movable limiting ring is in sliding contact with the top of the grinding seat, the top of the grinding seat is provided with a block and an arc rod in a surrounding mode, two ends of the arc rod are connected with the two blocks, the inner side of the movable limiting ring is provided with a connecting block in a surrounding mode, one side of the connecting block is in contact with the block, a through hole is formed in the connecting block, and the arc rod penetrates through the through hole in a sliding mode.
In at least some embodiments, the arc rod outside sleeve that the grinding seat was equipped with is equipped with spring A, and spring A one end is contacted with the chock, and spring A other end is contacted with even the piece, through spring A's setting, makes movable retainer plate after reverse rotation, can be influenced by spring A thrust and return by oneself.
In at least some embodiments, the grinding seat is internally provided with a lower arc hole in a surrounding manner, the movable limit ring is internally provided with an upper arc hole in a surrounding manner, and the lower arc hole arranged on the grinding seat is communicated with the upper arc hole arranged on the movable limit ring.
In at least some embodiments, the bottom of the grinding seat is provided with a hexagonal slot, the top of the grinding disc is provided with a hexagonal insert, the hexagonal insert arranged on the grinding disc is inserted into the hexagonal slot arranged on the grinding seat, and the hexagonal insert is matched with the hexagonal slot in an inserted manner, so that the autorotation condition of the grinding disc at the bottom of the grinding seat is avoided.
In at least some embodiments, the grinding disc top is the form of encircling and is equipped with L type connecting rod, the L type connecting rod that the grinding disc was equipped with is pegged graft in the lower arc hole of intercommunication state and go up the arc downthehole, L type connecting rod top and activity retainer plate top sideslip contact, reverse rotation activity retainer plate, spring A progressively contracts, when making last arc hole and lower arc hole communicate completely, L type connecting rod inserts lower arc hole and go up the arc downthehole, loosen the activity retainer plate, spring A promotes activity retainer plate gyration and resets, go up arc hole and lower arc hole intercommunication position progressively reduce, L type connecting rod top and activity retainer plate top side contact, prevent the grinding disc to move down, make grinding disc dismouting change more portably.
In at least some embodiments, the left end and the right end of the hand-held frame are respectively provided with a guide hole and an external connecting hole, the limiting piece is composed of a guide rod and a bolt, the guide rod penetrates through the guide holes of the hand-held frame in a sliding mode, and the bolt is inserted into the external connecting holes of the hand-held frame in a sliding mode.
In at least some embodiments, the cover body top is the symmetry form and is equipped with the internal connection hole, and the internal connection hole that the cover body was equipped with is linked together with outer even hole, and the bolt slip is pegged graft in the internal connection hole, and the cover body rotates through bolt and hand frame to be connected, and the outside cover of guide bar is equipped with spring B, and spring B one end contacts with hand frame, and the spring B other end contacts with the guide bar tip, rotates the cover body with hand frame to link together through the locating part, makes three abrasive disc can be the level form simultaneously and contacts with the terrace, ensures terrace grinding effect.
The invention discloses a use method of a hand-held floor grinding machine, which comprises the following steps:
Step 1, firstly, pushing a limiting piece inwards, gradually contracting a spring B, and connecting a cover body into two front ends of a hand-held frame to enable an inner connecting hole to be communicated with an outer connecting hole;
step 2, loosening the limiting piece, wherein the limiting piece is influenced by the thrust of the spring B to move outwards for resetting, so that the bolt is inserted into the inner connecting hole, and the cover body and the hand rack are rotationally connected together;
Step 3, reversely rotating the movable limiting ring, gradually contracting the spring A, and completely communicating the upper arc hole and the lower arc hole;
step 4, mounting the grinding disc at the bottom of the grinding seat, inserting the hexagonal insert block into the hexagonal slot, and simultaneously inserting the L-shaped connecting rod into the lower arc hole and the upper arc hole which are completely communicated;
step 5, loosening the movable limiting ring, wherein the spring A pushes the movable limiting ring to rotate and reset, the communicating part of the upper arc hole and the lower arc hole is gradually reduced, the top end of the L-shaped connecting rod is contacted with the top side of the movable limiting ring, the grinding disc is prevented from moving downwards, and the grinding disc is fixed;
Step 6, operators push the walking type terrace grinder to move on the terrace, three grinding discs can be in horizontal contact with the terrace at the same time, the motor drives three grinding seats to synchronously rotate through the large gear, and the grinding seats drive the grinding discs to synchronously rotate, so that the terrace grinding operation is realized, and the use process is finished.
Compared with the prior art, the invention has the beneficial effects that:
When the invention is used, the movable limit ring can automatically rotate and reset under the influence of the thrust of the spring A after reversely rotating through the arrangement of the spring A; the hexagonal insert block is in inserted connection with the hexagonal slot, so that the autorotation condition of the grinding disc at the bottom of the grinding seat is avoided;
In addition, through reverse rotation movable retainer plate, spring A gradually contracts, when making last arc hole and lower arc hole complete intercommunication, L type connecting rod inserts lower arc hole and go up the arc downthehole, loosens movable retainer plate, and spring A promotes movable retainer plate gyration and resets, goes up arc hole and lower arc hole intercommunication position and gradually reduces, and L type connecting rod top and movable retainer plate topside contact prevent abrasive disc to move down, make abrasive disc dismouting change more portably.
In addition, when the grinding disc needs to be taken down and replaced, the movable limiting ring only needs to be reversely rotated again, so that the upper arc hole and the lower arc hole are in a complete communication state, the L-shaped connecting rod can be separated from the upper arc hole and the lower arc hole, the grinding disc is taken down from the bottom of the grinding seat, and the replacement time is shortened.
In addition, rotate the cover body and hand frame through the locating part and link together, make three abrasive disc can be the level form simultaneously and contact with the terrace, ensure the terrace and grind the effect, when needs to overhaul hand terrace grinds machine, inwards promote the locating part, spring B gradually contracts, the bolt separates in from the interior interconnecting hole, with hand terrace grinds machine split into two parts to follow-up maintenance operation, easy and simple to handle.
In addition, when the hand rack and the cover body are required to be re-connected together, the two parts of the hand floor grinding machine can be connected together only by communicating the inner connecting hole with the outer connecting hole and loosening the limiting piece, and the limiting piece is outwards moved and reset by the spring B so that the bolt is inserted into the inner connecting hole.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic diagram of the overall top shaft side structure of the present application;
FIG. 2 shows a schematic diagram of the overall bottom shaft side structure of the present application;
FIG. 3 shows a schematic diagram of the connection structure of the walking frame and the limiting member of the present application;
FIG. 4 shows a schematic diagram of the application in a split configuration of the walker frame and the stop members;
FIG. 5 shows a schematic view of the cover, top cover and motor connection structure of the present application;
FIG. 6 shows a schematic view of the split structure of the cover, top cover and motor of the present application;
FIG. 7 shows a schematic view of the connection structure of the grinding seat, the movable stop collar and the grinding disc of the application;
FIG. 8 shows a schematic view of the split structure of the grinding seat, the movable stop collar and the grinding disc of the present application;
fig. 9 shows a schematic view of the structure of the grinding base bottom shaft side of the present application.
List of reference numerals
1. A hand-held frame; 101. a guide hole; 102. an outer connecting hole; 2. a support wheel; 3. a cover body; 301. an inner connecting hole; 4. a top cover; 5. a motor; 6. a large gear; 7. a dust-proof outer shield; 8. a grinding seat; 801. a pinion gear; 802. a block; 803. an arc-shaped rod; 804. a hexagonal slot; 805. a lower arc hole; 9. a movable limit ring; 901. connecting blocks; 9011. a through hole; 902. an upper arc hole; 10. a spring A; 11. a grinding disc; 1101. hexagonal insert blocks; 1102. an L-shaped connecting rod; 12. a limiting piece; 1201. a guide rod; 1202. a plug pin; 13. and a spring B.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
Example 1
Please refer to fig. 1 to 9: the invention provides a hand-held floor grinding machine, which comprises: a hand-held frame 1; two supporting wheels 2 are arranged at the bottom of the walking frame 1, and the front end of the walking frame 1 is connected with a cover body 3; the top of the cover body 3 is fixedly connected with a top cover 4 through bolts, and a motor 5 is fixedly arranged at the top of the top cover 4; the top cover 4 is internally and rotatably connected with a large gear 6, and a driving shaft of the motor 5 is connected with the large gear 6; the outer part of the cover body 3 is connected with a dustproof outer baffle 7 in a sliding way; three grinding seats 8 are rotatably connected in the bottom of the cover body 3, a pinion 801 is arranged at the top of each grinding seat 8, the pinion 801 is positioned in the top cover 4, and the large gear 6 is meshed with the three pinions 801; the top of the grinding seat 8 is connected with a movable limit ring 9, the bottom of the grinding seat 8 is provided with a grinding disc 11, and the grinding disc 11 is connected with the movable limit ring 9; the left end and the right end of the hand rack 1 are connected with limiting pieces 12, and the limiting pieces 12 are connected with the cover body 3; the bottom side of the movable limiting ring 9 is in sliding contact with the top of the grinding seat 8, the top of the grinding seat 8 is provided with a block 802 and an arc-shaped rod 803 in a surrounding mode, two ends of the arc-shaped rod 803 are connected with the two blocks 802, the inner side of the movable limiting ring 9 is provided with a connecting block 901 in a surrounding mode, one side of the connecting block 901 is in contact with the block 802, a through hole 9011 is formed in the connecting block 901, and the arc-shaped rod 803 penetrates through the through hole 9011 in a sliding mode; the arc-shaped rod 803 arranged on the grinding seat 8 is sleeved with a spring A10, one end of the spring A10 is in contact with the stop block 802, the other end of the spring A10 is in contact with the connecting block 901, and the movable limit ring 9 can automatically rotate and reset under the influence of the thrust of the spring A10 after reversely rotating through the arrangement of the spring A10; the grinding seat 8 is internally provided with a lower arc hole 805 in a surrounding manner, the movable limit ring 9 is internally provided with an upper arc hole 902 in a surrounding manner, and the lower arc hole 805 arranged in the grinding seat 8 is communicated with the upper arc hole 902 arranged in the movable limit ring 9; the bottom of the grinding seat 8 is provided with a hexagonal slot 804, the top of the grinding disc 11 is provided with a hexagonal insert 1101, the hexagonal insert 1101 arranged on the grinding disc 11 is inserted into the hexagonal slot 804 arranged on the grinding seat 8, and the hexagonal insert 1101 is matched with the hexagonal slot 804 in an inserted manner, so that the autorotation condition of the grinding disc 11 at the bottom of the grinding seat 8 is avoided.
In the embodiment of the disclosure, the top of the grinding disc 11 is provided with an L-shaped connecting rod 1102 in a surrounding manner, the L-shaped connecting rod 1102 arranged on the grinding disc 11 is inserted into a lower arc hole 805 and an upper arc hole 902 which are in a communicating state, and the top end of the L-shaped connecting rod 1102 is in sliding contact with the top of the movable limiting ring 9; by adopting the technical scheme, when the movable limiting ring 9 is reversely rotated and the spring A10 is gradually contracted to ensure that the upper arc hole 902 is completely communicated with the lower arc hole 805, the L-shaped connecting rod 1102 is inserted into the lower arc hole 805 and the upper arc hole 902, the movable limiting ring 9 is loosened, the spring A10 pushes the movable limiting ring 9 to rotate and reset, the communicating part of the upper arc hole 902 and the lower arc hole 805 is gradually contracted, the top end of the L-shaped connecting rod 1102 is contacted with the top end of the movable limiting ring 9 to prevent the grinding disc 11 from moving downwards, so that the grinding disc 11 is simpler and more convenient to assemble, disassemble and replace, and when the grinding disc 11 needs to be taken down and replaced, the L-shaped connecting rod 1102 is separated from the upper arc hole 902 and the lower arc hole 805 in a complete communicating state, the grinding disc 11 is taken down from the bottom of the grinding seat 8, and the replacement time is shortened.
Example two
On the basis of the first embodiment, the left end and the right end of the hand rack 1 are respectively provided with a guide hole 101 and an external connecting hole 102, the limiting piece 12 is composed of a guide rod 1201 and a plug pin 1202, the guide rod 1201 is penetrated into the guide hole 101 arranged on the hand rack 1 in a sliding way, the plug pin 1202 is inserted into the external connecting hole 102 arranged on the hand rack 1 in a sliding way, the top of the cover body 3 is symmetrically provided with an internal connecting hole 301, the internal connecting hole 301 arranged on the cover body 3 is communicated with the external connecting hole 102, the plug pin 1202 is inserted into the internal connecting hole 301 in a sliding way, the cover body 3 is connected with the hand rack 1 in a rotating way through the plug pin 1202, a spring B13 is sleeved outside the guide rod 1201, one end of the spring B13 is contacted with the hand rack 1, and the other end of the spring B13 is contacted with the end of the guide rod 1201; by adopting the technical scheme, the cover body 3 and the walking frame 1 are rotationally connected together through the limiting piece 12, so that the three grinding discs 11 can be horizontally contacted with the terrace at the same time, the terrace grinding effect is guaranteed, when the walking terrace grinding machine is required to be overhauled, the limiting piece 12 is pushed inwards, the spring B13 is gradually contracted, the bolt 1202 is separated from the inner connecting hole 301, the walking terrace grinding machine is split into two parts so as to facilitate subsequent overhauling and maintenance operation, the operation is simple and convenient, when the walking frame 1 and the cover body 3 are required to be reconnected together, the inner connecting hole 301 and the outer connecting hole 102 are only required to be communicated, the limiting piece 12 is loosened, the limiting piece 12 is outwards moved and reset by the spring B13, the bolt 1202 is inserted into the inner connecting hole 301, and the two parts of the walking terrace grinding machine can be connected together.
The invention discloses a use method of a hand-held floor grinding machine, which comprises the following steps:
step 1, firstly, pushing the limiting piece 12 inwards, gradually contracting the spring B13, and connecting the cover body 3 into the two front ends of the hand rack 1 to enable the inner connecting hole 301 to be communicated with the outer connecting hole 102;
Step 2, loosening the limiting piece 12, wherein the limiting piece 12 is outwards moved and reset under the influence of the thrust of the spring B13, so that the plug pin 1202 is inserted into the inner connecting hole 301, and the cover body 3 and the hand-held frame 1 are rotationally connected together;
Step 3, the movable limiting ring 9 is reversely rotated, and the spring A10 is gradually contracted, so that the upper arc hole 902 is completely communicated with the lower arc hole 805;
Step 4, mounting the grinding disc 11 at the bottom of the grinding seat 8, inserting the hexagonal insert 1101 into the hexagonal slot 804, and simultaneously inserting the L-shaped connecting rod 1102 into the lower arc hole 805 and the upper arc hole 902 which are completely communicated;
Step 5, loosening the movable limiting ring 9, and pushing the movable limiting ring 9 to rotate and reset by the spring A10, wherein the communicating part of the upper arc hole 902 and the lower arc hole 805 is gradually reduced, the top end of the L-shaped connecting rod 1102 contacts with the top side of the movable limiting ring 9 to prevent the grinding disc 11 from moving downwards, and fixing the grinding disc 11;
Step 6, the operating personnel promotes hand-held terrace and grinds machine and remove on the terrace, and three abrasive disc 11 can be the level form simultaneously and contact with the terrace, and motor 5 drives three grinding seat 8 synchronous rotation through gear wheel 6, grinds seat 8 and drives abrasive disc 11 synchronous rotation, realizes the operation of grinding the terrace, accomplishes the use so far.
The working principle of the embodiment is as follows: firstly, the limiting piece 12 is pushed inwards, the spring B13 is contracted gradually, the cover body 3 is connected into the two front ends of the hand-held frame 1, the inner connecting hole 301 is communicated with the outer connecting hole 102, the limiting piece 12 is loosened, the limiting piece 12 is moved outwards to reset under the influence of the thrust of the spring B13, the bolt 1202 is inserted into the inner connecting hole 301, and the cover body 3 is connected with the hand-held frame 1in a rotating way; then the movable limiting ring 9 is reversely rotated, the spring A10 is gradually contracted, and the upper arc hole 902 is completely communicated with the lower arc hole 805; the grinding disc 11 is arranged at the bottom of the grinding seat 8, the hexagonal inserting block 1101 is inserted into the hexagonal inserting groove 804, meanwhile, the L-shaped connecting rod 1102 is inserted into the lower arc hole 805 and the upper arc hole 902, the movable limiting ring 9 is loosened, the spring A10 pushes the movable limiting ring 9 to rotate and reset, the communicating part of the upper arc hole 902 and the lower arc hole 805 is gradually reduced, the top end of the L-shaped connecting rod 1102 is contacted with the top side of the movable limiting ring 9 to prevent the grinding disc 11 from moving downwards; the cover body 3 is rotationally connected with the walking frame 1 through the limiting piece 12, so that three grinding discs 11 can be horizontally contacted with a terrace at the same time, the motor 5 drives three grinding seats 8 to synchronously rotate through the large gear 6, and the grinding seats 8 drive the grinding discs 11 to synchronously rotate, so that the terrace grinding operation is realized; when the grinding disc 11 needs to be removed and replaced, the movable limiting ring 9 is only required to be reversely rotated again, so that the upper arc hole 902 and the lower arc hole 805 are in a complete communication state, the L-shaped connecting rod 1102 can be separated from the upper arc hole 902 and the lower arc hole 805, and the grinding disc 11 is removed from the bottom of the grinding seat 8; when the walking type floor grinding machine needs to be overhauled, the limiting piece 12 is pushed inwards, the spring B13 is gradually contracted, the plug pin 1202 is separated from the inner connecting hole 301, and the walking type floor grinding machine can be split into two parts, so that subsequent overhauling and maintenance operations can be facilitated.
In this context, the following points need to be noted:
1. The drawings of the embodiments of the present disclosure relate only to the structures related to the embodiments of the present disclosure, and reference may be made to the general design for other structures.
2. The embodiments of the present disclosure and features in the embodiments may be combined with each other to arrive at a new embodiment without conflict.
The foregoing is merely a specific embodiment of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it should be covered in the protection scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (9)
1. A hand-held floor grinding machine comprising: a walking frame (1); the device is characterized in that two supporting wheels (2) are arranged at the bottom of the hand-held frame (1), and the front end of the hand-held frame (1) is connected with a cover body (3); the top of the cover body (3) is fixedly connected with a top cover (4) through bolts, and a motor (5) is fixedly arranged at the top of the top cover (4); the inside of the top cover (4) is rotationally connected with a large gear (6), and a driving shaft of the motor (5) is connected with the large gear (6); the outside of the cover body (3) is connected with a dustproof outer baffle (7) in a sliding way; three grinding seats (8) are rotatably connected to the bottom of the cover body (3), small gears (801) are arranged at the tops of the grinding seats (8), the small gears (801) are positioned in the top cover (4), and the large gears (6) are meshed with the three small gears (801); the top of the grinding seat (8) is connected with a movable limit ring (9), the bottom of the grinding seat (8) is provided with a grinding disc (11), and the grinding disc (11) is connected with the movable limit ring (9); the left end and the right end of the hand rack (1) are connected with limiting pieces (12), and the limiting pieces (12) are connected with the cover body (3).
2. The hand-held floor grinding machine according to claim 1, wherein the bottom side of the movable limit ring (9) is in sliding contact with the top of the grinding seat (8), the top of the grinding seat (8) is provided with a stop block (802) and an arc-shaped rod (803) in a surrounding mode, two ends of the arc-shaped rod (803) are connected with the two stop blocks (802), the inner side of the movable limit ring (9) is provided with a connecting block (901) in a surrounding mode, one side of the connecting block (901) is in contact with the stop block (802), a through hole (9011) is formed in the connecting block (901), and the arc-shaped rod (803) penetrates through the through hole (9011) in a sliding mode.
3. The hand-held floor grinding machine according to claim 2, wherein the arc-shaped rod (803) provided on the grinding seat (8) is externally sleeved with a spring a (10), one end of the spring a (10) is in contact with the block (802), and the other end of the spring a (10) is in contact with the connecting block (901).
4. The hand-held floor grinding machine according to claim 1, wherein the grinding seat (8) is internally provided with a lower arc hole (805) in a surrounding manner, the movable limit ring (9) is internally provided with an upper arc hole (902) in a surrounding manner, and the lower arc hole (805) arranged on the grinding seat (8) is communicated with the upper arc hole (902) arranged on the movable limit ring (9).
5. The hand-held floor grinding machine according to claim 1, wherein a hexagonal slot (804) is formed in the bottom of the grinding seat (8), a hexagonal insert (1101) is formed in the top of the grinding disc (11), and the hexagonal insert (1101) formed in the grinding disc (11) is inserted into the hexagonal slot (804) formed in the grinding seat (8).
6. The hand-held floor grinding machine according to claim 4, wherein the top of the grinding disc (11) is provided with an L-shaped connecting rod (1102) in a surrounding manner, the L-shaped connecting rod (1102) arranged on the grinding disc (11) is inserted into the lower arc hole (805) and the upper arc hole (902) in a communicating state, and the top end of the L-shaped connecting rod (1102) is in sliding contact with the top side of the movable limiting ring (9).
7. The hand-held floor grinding machine according to claim 1, wherein the left end and the right end of the hand-held frame (1) are respectively provided with a guide hole (101) and an external connecting hole (102), the limiting piece (12) is composed of a guide rod (1201) and a bolt (1202), the guide rod (1201) penetrates through the guide hole (101) formed in the hand-held frame (1) in a sliding manner, and the bolt (1202) is inserted into the external connecting hole (102) formed in the hand-held frame (1) in a sliding manner.
8. The hand-held floor grinding machine according to claim 7, wherein the top of the cover body (3) is symmetrically provided with an inner connecting hole (301), the inner connecting hole (301) arranged on the cover body (3) is communicated with the outer connecting hole (102), the plug pin (1202) is slidingly inserted into the inner connecting hole (301), the cover body (3) is rotationally connected with the hand-held frame (1) through the plug pin (1202), the guide rod (1201) is externally sleeved with a spring B (13), one end of the spring B (13) is contacted with the hand-held frame (1), and the other end of the spring B (13) is contacted with the end of the guide rod (1201).
9. Use of a hand-held floor grinding machine according to any one of claims 1-8, characterized in that it comprises the following steps:
Step 1, firstly, pushing a limiting piece (12) inwards, gradually contracting a spring B (13), connecting a cover body (3) into two front ends of a hand rack (1), and enabling an inner connecting hole (301) to be communicated with an outer connecting hole (102);
Step 2, loosening the limiting piece (12), wherein the limiting piece (12) is outwards moved and reset under the influence of the thrust of the spring B (13), so that the bolt (1202) is inserted into the inner connecting hole (301), and the cover body (3) and the hand-held frame (1) are rotationally connected together;
step 3, the movable limit ring (9) is reversely rotated, and the spring A (10) is gradually contracted, so that the upper arc hole (902) is completely communicated with the lower arc hole (805);
Step 4, mounting the grinding disc (11) at the bottom of the grinding seat (8), inserting the hexagonal inserting block (1101) into the hexagonal inserting groove (804), and simultaneously inserting the L-shaped connecting rod (1102) into the lower arc hole (805) and the upper arc hole (902) which are completely communicated;
Step 5, loosening the movable limiting ring (9), pushing the movable limiting ring (9) by the spring A (10) to rotate and reset, gradually shrinking the communication part of the upper arc hole (902) and the lower arc hole (805), enabling the top end of the L-shaped connecting rod (1102) to be in contact with the top side of the movable limiting ring (9), preventing the grinding disc (11) from moving downwards, and fixing the grinding disc (11);
step 6, the operator promotes hand-held terrace and grinds machine and remove on the terrace, and three grinding disc (11) can be the level form simultaneously and contact with the terrace, and motor (5) drive three grinding seat (8) synchronous rotation through gear wheel (6), grind seat (8) drive grinding disc (11) synchronous rotation, realize the operation of grinding the terrace, accomplish the use so far.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410361786.3A CN117961686B (en) | 2024-03-28 | 2024-03-28 | Hand-held floor grinding machine and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410361786.3A CN117961686B (en) | 2024-03-28 | 2024-03-28 | Hand-held floor grinding machine and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117961686A true CN117961686A (en) | 2024-05-03 |
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| CN216503920U (en) * | 2021-03-30 | 2022-05-13 | 浙江明磊锂能源科技股份有限公司 | Terrace grinder |
| CN116690328A (en) * | 2022-05-27 | 2023-09-05 | 广东博智林机器人有限公司 | Grinding disc and floor grinding machine |
| CN117564928A (en) * | 2023-12-25 | 2024-02-20 | 苏州宝成汽车冲压有限公司 | Stamping workpiece grinding equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201077007Y (en) * | 2007-06-05 | 2008-06-25 | 吴世裕 | Terrace abrader |
| US20170259398A1 (en) * | 2014-11-25 | 2017-09-14 | E & Q One-Touch | Device for detaching/attaching hand grinder polishing disk |
| JP6307787B1 (en) * | 2017-05-26 | 2018-04-11 | 株式会社ナカヤ | Guard mounting mechanism |
| US20200346315A1 (en) * | 2018-01-18 | 2020-11-05 | Scanmaskin Sverige Ab | Floor grinding machine |
| CN208179277U (en) * | 2018-03-30 | 2018-12-04 | 西南交通大学 | A kind of rubbing head with high load uniformity and high universalizable |
| DE102021206321A1 (en) * | 2020-06-22 | 2021-12-23 | Disco Corporation | CUTTING DEVICE |
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| CN216503920U (en) * | 2021-03-30 | 2022-05-13 | 浙江明磊锂能源科技股份有限公司 | Terrace grinder |
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| CN117564928A (en) * | 2023-12-25 | 2024-02-20 | 苏州宝成汽车冲压有限公司 | Stamping workpiece grinding equipment |
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| CN117961686B (en) | 2024-06-07 |
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