Novel grinding disc capable of reducing startup load

Abstract

The utility model relates to the field of grinding equipment, in particular to a novel grinding disc capable of reducing starting load, which comprises a grinding machine and a turntable, a first grinding component is arranged on one side of the turntable far away from a connecting component, and a second grinding component is arranged on one side of the first grinding component far away from the turntable. The grinding machine comprises a first grinding assembly, a second grinding assembly is arranged on the first grinding assembly, an open groove matched with the first grinding assembly is formed in the second grinding assembly, the first grinding assembly is matched with the open groove in a sliding mode, and the second grinding assembly is matched with the side wall of a rotary disc in a sliding mode. After the grinding machine operates stably, the hydraulic rod pushes the grinding machine and the rotary disc to move downwards, the first grinding assembly penetrates through the open groove and extends to the end, away from the rotary disc, of the second grinding assembly to make contact with a grinding piece, the grinding contact area is increased, and the grinding efficiency is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of grinding equipment, specifically to a novel grinding disc capable of reducing start-up load. BACKGROUND

[0002] A grinding disc is a tool used for grinding, polishing, finishing and cutting materials, commonly used in metalworking, woodworking and construction industries, which is usually made of hard materials such as metal, ceramic or diamond, and the types and shapes of grinding discs are various, and different grinding discs are suitable for different materials and work tasks. The grinding disc is used for grinding materials by mutual sliding friction with the surface of the material.

[0003] The existing grinding disc has a large contact surface area between the grinding disc and the material to ensure grinding efficiency, and the larger contact surface results in greater resistance generated by the rotation of the grinding disc, which easily causes overload of the grinding machine when starting, and is not conducive to the start of the grinding machine.

[0004] Therefore, the utility model designs a novel grinding disc capable of reducing start-up load to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a novel grinding disc capable of reducing start-up load to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel grinding disc capable of reducing start-up load, comprising a grinding machine and a turntable, the grinding machine comprising a hydraulic rod and a connecting assembly, the output end of the hydraulic rod being connected with the connecting assembly, the turntable being arranged on the side of the connecting assembly away from the hydraulic rod, the turntable being driven to rotate by a driving motor arranged in the connecting assembly, the turntable being provided with a first grinding assembly on the side away from the connecting assembly, the first grinding assembly being provided with a second grinding assembly on the side away from the turntable, the second grinding assembly being provided with a slot matched with the first grinding assembly, the first grinding assembly and the slot being matched with each other in sliding manner, and the second grinding assembly and the side wall of the turntable being matched with each other in sliding manner. By arranging the second grinding assembly on the turntable in sliding manner, only the second grinding assembly is in contact with the grinding piece when the grinding machine starts, and when the grinding machine operates stably, the hydraulic rod is used to push the grinding machine and the turntable downward, so that the first grinding assembly penetrates through the slot and extends to the end of the second grinding assembly away from the turntable to contact the grinding piece, thereby increasing the grinding contact area and ensuring the grinding efficiency.

[0007] Preferably, the second grinding assembly comprises a base plate and a connecting plate, the base plate is arranged on the side of the rotating disc away from the connecting assembly, the connecting plate is arranged on the base plate and extends towards the rotating disc, the connecting plate and the side wall of the rotating disc are slidably matched with each other, and the end of the connecting plate away from the base plate is provided with a fixing ring which abuts against the side of the rotating disc away from the base plate.

[0008] By adopting the above technical scheme, the fixing ring of the second grinding assembly abuts against the rotating disc, so that the second grinding assembly is hung on the rotating disc by gravity, which is beneficial to ensuring that the second grinding assembly contacts the polishing piece before the first grinding assembly.

[0009] Preferably, the side of the base plate close to the rotating disc is provided with a first elastic member, and the end of the first elastic member away from the base plate is connected with the first grinding assembly.

[0010] By adopting the above technical scheme, the second grinding assembly is moved away from the rotating disc by the elastic restoring force of the first elastic member, so as to ensure that the second grinding assembly is closely contacted with the surface of the polishing piece.

[0011] Preferably, the side of the rotating disc away from the base plate is provided with a plurality of first telescopic assemblies which are arranged in parallel with the hydraulic rod, and the free end of the first telescopic assembly abuts against the fixing ring.

[0012] By adopting the above technical scheme, the first telescopic assembly can be an electric telescopic rod. When the first telescopic assembly is extended, the free end of the first telescopic assembly abuts against the fixing ring, so as to drive the fixing ring to move upwards and drive the second grinding assembly to move towards the rotating disc, which is beneficial to moving the first grinding assembly and the second grinding assembly on the rotating disc towards each other by the first telescopic assembly and the hydraulic rod.

[0013] Preferably, the side wall of the rotating disc is provided with a plurality of embedding grooves which are arranged in a ring shape at equal intervals around the axis of the rotating disc, and the plurality of connecting plates are slidably matched with the plurality of embedding grooves, respectively.

[0014] By adopting the above technical scheme, the plurality of connecting plates and the plurality of embedding grooves are slidably matched with each other, which is beneficial to rotating the second grinding assembly by rotating the rotating disc and ensuring that the first grinding assembly can be matched with the positions of the embedding grooves on the second grinding assembly.

[0015] Preferably, the first grinding assembly is provided with a plurality of first grinding blocks which are slidably matched with the plurality of embedding grooves, respectively, and the second grinding assembly is provided with a plurality of second grinding blocks which are arranged alternately with the first grinding blocks.

[0016] By adopting the technical scheme, the first grinding block is slid through the groove and extends to one side of the second grinding block arranged on the second grinding assembly, which is beneficial to the mutual cooperation of the first grinding block and the second grinding block and the mutual abutment matching of the first grinding block and the second grinding block with the polishing piece, and the first grinding block and the second grinding block are arranged in a staggered manner, which is beneficial to the same polishing efficiency of different parts of the grinding disc.

[0017] Preferably, a pad is arranged between the first grinding block and the first grinding assembly, and the pad is slidably matched with the groove.

[0018] By adopting the technical scheme, the pad is arranged between the first grinding block and the first grinding assembly, which is beneficial to the fact that the top of the first grinding block after being slid through the groove is on the same horizontal plane as the second grinding block.

[0019] Preferably, a wear block is arranged at one end of the second grinding block away from the second grinding assembly, the wear block is arranged in a conical shape, and the tip of the wear block is arranged to be away from the second grinding block.

[0020] By adopting the technical scheme, the wear block is made of an easily-worn material. By arranging the conical wear block on the top of the second grinding block, the contact area with the polishing piece during starting is further reduced, and after the starting is completed, the wear block is quickly worn away, so that the second grinding block is in contact with the polishing piece.

[0021] Compared with the prior art, the utility model has the advantages that: the second grinding assembly is slid towards the rotating disc, the first grinding assembly is slid through the groove and extends to one end of the second grinding assembly away from the rotating disc. By sliding the second grinding assembly on the rotating disc, only the second grinding assembly is in contact with the polishing piece when the grinding machine starts, and when the grinding machine operates stably, the hydraulic rod pushes the grinding machine and the rotating disc downward, so that the first grinding assembly is slid through the groove and extends to one end of the second grinding assembly away from the rotating disc and in contact with the polishing piece, the contact area of grinding is increased, and the grinding efficiency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 It is a whole structure schematic view of the utility model;

[0024] Figure 2 It is a rotating disc structure sectional view of the utility model.

[0025] The components represented by the reference numbers in the drawings are listed as follows:

[0026] 1-grinding machine, 11-hydraulic rod, 12-connection assembly, 2-rotating disc, 21-embedded groove, 3-first grinding assembly, 31-first grinding block, 32-pad block, 4-second grinding assembly, 41-slotted, 42-base plate, 43-connection plate, 44-fixing ring, 45-first elastic member, 46-first telescopic assembly, 47-second grinding block, 48-waste block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] In combination with Figures 1-2 :

[0029] Referring to Figure 1 , 2 , a new grinding disc capable of reducing starting load comprises a grinding machine 1 and a rotating disc 2. The grinding machine 1 comprises a hydraulic rod 11 and a connection assembly 12. The output end of the hydraulic rod 11 is connected to the connection assembly 12. The rotating disc 2 is arranged on the side of the connection assembly 12 away from the hydraulic rod 11. The rotating disc 2 is driven to rotate by a driving motor arranged in the connection assembly 12. The first grinding assembly 3 is arranged on the side of the rotating disc 2 away from the connection assembly 12. The second grinding assembly 4 is arranged on the side of the first grinding assembly 3 away from the rotating disc 2. The second grinding assembly 4 is provided with a slotted 41 matched with the first grinding assembly 3. The first grinding assembly 3 and the slotted 41 are matched with each other in sliding mode. The second grinding assembly 4 and the side wall of the rotating disc 2 are matched with each other in sliding mode. The second grinding assembly 4 is arranged on the rotating disc 2 in sliding mode. When the grinding machine starts, only the second grinding assembly 4 is in contact with the polishing piece. When the grinding machine operates stably, the hydraulic rod 11 is used to push the grinding machine and the rotating disc 2 downward. The first grinding assembly penetrates through the slotted 41 and extends to the end of the second grinding assembly 4 away from the rotating disc 2 to be in contact with the polishing piece, thereby increasing the grinding contact area and ensuring the grinding efficiency.

[0030] Referring to Figure 1 , 2As shown, the second grinding assembly 4 comprises a base plate 42 and a connecting plate 43, the base plate 42 is arranged on the side of the rotating disc 2 away from the connecting assembly 12, the connecting plate 43 is arranged on the base plate 42 and extends towards the rotating disc 2, the connecting plate 43 and the side wall of the rotating disc 2 are slidably matched with each other, the end of the connecting plate 43 away from the base plate 42 is provided with a fixing ring 44, and the fixing ring 44 and the side of the rotating disc 2 away from the base plate 42 are matched with each other. The side of the base plate 42 close to the rotating disc 2 is provided with a first elastic member 45, and the end of the first elastic member 45 away from the base plate 42 is connected with the first grinding assembly 3. The side of the rotating disc 2 away from the base plate 42 is provided with a plurality of first telescopic assemblies 46, the first telescopic assemblies 46 are arranged parallel to the hydraulic rod 11, and the free ends of the first telescopic assemblies 46 and the fixing ring 44 are matched with each other. The side wall of the rotating disc 2 is provided with a plurality of embedded grooves 21, the plurality of embedded grooves 21 are arranged in a ring shape at equal intervals around the axis of the rotating disc 2, and the plurality of connecting plates 43 are slidably matched with the plurality of embedded grooves 21 respectively. The fixing ring 44 of the second grinding assembly 4 and the rotating disc 2 are matched with each other, so that the second grinding assembly 4 is hung on the rotating disc 2 by gravity, which is beneficial to ensure that the second grinding assembly 4 contacts the polishing piece before the first grinding assembly. The elastic restoring force of the first elastic member 45 extrudes the second grinding assembly 4, so that the second grinding assembly 4 moves away from the rotating disc 2, and the second grinding assembly 4 and the polishing piece surface are closely contacted. The first telescopic assembly 46 can be an electric telescopic rod. The free ends of the first telescopic assemblies 46 and the fixing ring 44 are matched with each other, when the first telescopic assemblies 46 are extended, the fixing ring 44 is pushed to move upwards, and the second grinding assembly 4 is driven to move towards the rotating disc 2, which is beneficial to move the first grinding assembly and the second grinding assembly 4 on the rotating disc 2 towards each other by the first telescopic assembly 46 cooperating with the hydraulic rod 11. The plurality of connecting plates 43 and the plurality of embedded grooves 21 are slidably matched with each other, which is beneficial to rotate the second grinding assembly 4 by rotating the rotating disc 2, and ensure that the first grinding assembly and the groove 41 on the second grinding assembly 4 are matched with each other.

[0031] Referring to Figure 1 , 2As shown, the first grinding assembly 3 is provided with a plurality of first grinding blocks 31, and the plurality of first grinding blocks 31 are slidably matched with a plurality of grooves 41 respectively. The second grinding assembly 4 is provided with a plurality of second grinding blocks 47, and the second grinding blocks 47 are arranged in an interlaced manner with the first grinding blocks 31. The first grinding block 31 is provided with a pad 32 between the first grinding block 31 and the first grinding assembly 3, and the pad 32 is slidably matched with the groove 41. The second grinding block 47 is provided with a wear block 48 away from the second grinding assembly 4, and the wear block 48 is arranged in a conical shape, and the tip of the wear block 48 is arranged away from the second grinding block 47. The first grinding block 31 is slidably arranged through the groove 41 and extends to the side of the second grinding assembly 4 where the second grinding block 47 is arranged, which is beneficial to the mutual cooperation of the first grinding block and the second grinding block 47 and the mutual abutment matching of the first grinding block and the grinding piece. In addition, the first grinding block and the second grinding block 47 are arranged in an interlaced manner, which is beneficial to the same grinding efficiency of different parts of the grinding disc. The pad 32 is arranged between the first grinding block and the first grinding assembly, which is beneficial to the fact that the top of the first grinding block is on the same horizontal plane as the second grinding block 47 after the first grinding block penetrates the groove 41. The wear block 48 is made of an easily-worn material. By arranging the conical wear block 48 on the top of the second grinding block 47, the contact area with the grinding piece during startup is further reduced. After the startup is completed, the wear block 48 is quickly worn away, so that the second grinding block 47 is in contact with the grinding piece.

[0032] The utility model discloses specific application embodiment:

[0033] By slidingly arranging the second grinding assembly 4 on the turntable 2, only the second grinding assembly 4 is in contact with the grinding piece when the grinding machine starts. When the grinding machine runs stably, the hydraulic rod 11 is used to push the grinding machine and the turntable 2 to move downward, so that the first grinding assembly penetrates the groove 41 and extends to the end of the second grinding assembly 4 away from the turntable 2 and is in contact with the grinding piece, thereby increasing the grinding contact area and ensuring the grinding efficiency.

[0034] The second grinding assembly 4 is in abutment with the turntable 2 through the fixed ring 44 in the second grinding assembly 4, so that the second grinding assembly 4 is suspended on the turntable 2 by gravity, which is beneficial to ensuring that the second grinding assembly 4 is in contact with the grinding piece before the first grinding assembly.

[0035] The second grinding assembly 4 is moved away from the turntable 2 by the elastic restoring force of the first elastic member 45, so as to ensure that the second grinding assembly 4 is closely matched with the surface of the grinding piece.

[0036] The first telescopic assembly 46 can be made of an electric telescopic rod. The free end of the first telescopic assembly 46 is in abutment with the fixed ring 44, so that when the first telescopic assembly 46 extends, the fixed ring 44 is pushed to move upward, and the second grinding assembly 4 is driven to move toward the turntable 2, which is beneficial to moving the first grinding assembly and the second grinding assembly 4 on the turntable 2 toward each other by using the first telescopic assembly 46 in cooperation with the hydraulic rod 11.

[0037] The plurality of connecting plates 43 and the plurality of grooves 21 slide against each other, which is conducive to rotating the second grinding assembly 4 by rotating the rotating disc 2, and ensures that the first grinding assembly can be matched with the grooves 41 on the second grinding assembly 4.

[0038] The first grinding block slides through the grooves 41 and extends to one side of the second grinding block 47 arranged on the second grinding assembly 4, which is conducive to matching the first grinding block with the second grinding block 47 while matching the first grinding block with the grinding piece, and the first grinding block and the second grinding block 47 are arranged in a staggered manner, which is conducive to making the grinding efficiency of different parts of the grinding disc the same.

[0039] The first grinding block and the first grinding assembly are provided with the pad, which is conducive to making the top of the first grinding block after penetrating the grooves 41 and the second grinding block 47 on the same horizontal plane.

[0040] The wear block 48 is made of an easily-worn material. By arranging the conical wear block 48 on the top of the second grinding block 47, the contact area with the grinding piece during starting is further reduced, and after starting is completed, the wear block 48 is quickly worn away, so that the second grinding block 47 is in contact with the grinding piece.

[0041] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0042] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "arrangement", "connection", "fixing", "threaded connection" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or can be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication between two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood in the specific meaning according to the specific situation by those skilled in the art.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel grinding disc which can reduce the start-up load, comprising a grinder (1) and a rotating disc (2), characterized in that: The grinding machine (1) comprises a hydraulic rod (11) and a connecting assembly (12), the output end of the hydraulic rod (11) is connected with the connecting assembly (12), the rotating disc (2) is arranged on the side of the connecting assembly (12) away from the hydraulic rod (11), the rotating disc (2) is driven to rotate by a driving motor arranged in the connecting assembly (12), the rotating disc (2) is provided with a first grinding assembly (3) on the side away from the connecting assembly (12), the first grinding assembly (3) is provided with a second grinding assembly (4) on the side away from the rotating disc (2), the second grinding assembly (4) is provided with a slot (41) matched with the first grinding assembly (3), the first grinding assembly (3) and the slot (41) are matched with each other in sliding mode, the second grinding assembly (4) and the side wall of the rotating disc (2) are matched with each other in sliding mode, the first grinding assembly (3) extends to the side of the second grinding assembly (4) away from the rotating disc (2) by sliding the second grinding assembly (4) towards the rotating disc (2).

2. A novel grinding disc capable of reducing the start-up load according to claim 1, characterized in that: The second grinding assembly (4) comprises a base plate (42) and a connecting plate (43), the base plate (42) is arranged on the side of the rotating disc (2) away from the connecting assembly (12), the connecting plate (43) is arranged on the base plate (42), the connecting plate (43) extends towards the rotating disc (2), the connecting plate (43) and the side wall of the rotating disc (2) are matched with each other in sliding mode, the connecting plate (43) is provided with a fixing ring (44) on the end away from the base plate (42), the fixing ring (44) and the side of the rotating disc (2) away from the base plate (42) are matched with each other in abutting mode.

3. A novel grinding disc capable of reducing the start-up load according to claim 2, characterized in that: The base plate (42) is provided with a first elastic member (45) on the side close to the rotating disc (2), the first elastic member (45) is connected with the first grinding assembly (3) on the end away from the base plate (42).

4. The novel grinding disc capable of reducing the starting load according to claim 2, characterized in that: The rotating disc (2) is provided with a plurality of first telescopic assemblies (46) on the side away from the base plate (42), the first telescopic assemblies (46) are arranged in parallel to the hydraulic rod (11), the free ends of the first telescopic assemblies (46) are matched with the fixing ring (44) in abutting mode.

5. The novel grinding disc capable of reducing the starting load according to claim 2, characterized in that: The side wall of the rotating disc (2) is provided with a plurality of embedding grooves (21), the plurality of embedding grooves (21) are arranged in ring shape and equidistance around the axis of the rotating disc (2), the plurality of connecting plates (43) are matched with the plurality of embedding grooves (21) in sliding mode respectively.

6. A novel grinding disc capable of reducing the start-up load according to claim 1, characterized in that: The first grinding assembly (3) is provided with a plurality of first grinding blocks (31), the plurality of first grinding blocks (31) are matched with the plurality of slots (41) in sliding mode respectively, the second grinding assembly (4) is provided with a plurality of second grinding blocks (47), the second grinding blocks (47) and the first grinding blocks (31) are arranged in interlaced mode.

7. A novel grinding disc capable of reducing the start-up load according to claim 6, characterized in that: The first grinding blocks (31) and the first grinding assembly (3) are provided with a spacer (32), the spacer (32) and the slot (41) are matched with each other in sliding mode.

8. A novel grinding disc capable of reducing the start-up load according to claim 6, characterized in that: The second grinding block (47) is provided with a loss block (48) at one end away from the second grinding assembly (4), the loss block (48) is provided in a conical shape, and the tip of the loss block (48) is provided towards the side away from the second grinding block (47).

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