Polishing grinding wheel

Abstract

The utility model discloses a polishing grinding wheel, which relates to the technical field of polishing grinding wheels, and adopts the technical scheme that the polishing grinding wheel comprises a connecting ring and two completely consistent semicircular grinding wheels, the two semicircular grinding wheels can be connected end to end to form a complete circular grinding wheel, and a semicircular through hole is formed in the middle of each semicircular grinding wheel; annular grooves are formed in the two sides of each semicircular grinding wheel, a connecting ring is located between the two through holes, the edge of the connecting ring is embedded in the annular grooves, the connecting ring is connected with the two semicircular grinding wheels through a plurality of screws, a groove a and a groove b are formed in the two ends of the connecting side of each semicircular grinding wheel respectively, and connecting grooves are formed in the inner walls of the two ends of the groove a. The polishing grinding wheel has the beneficial effects that the two completely consistent semicircular grinding wheels and the quick dismounting mechanism are arranged, so that quick splicing and dismounting can be realized, when one semicircular grinding wheel is worn, the one semicircular grinding wheel can be quickly replaced, the whole grinding wheel does not need to be discarded, the operation is simple, and the resource cost can be effectively saved.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing wheels, in particular to a polishing wheel. Background Art

[0002] Grinding wheel is also called bonded abrasive. It is a bonded abrasive with a certain strength and ordinary abrasives are bonded into a certain shape (mostly round with a through hole in the center) by a binder. Grinding wheel is mainly used for grinding, cutting, polishing and dressing various materials.

[0003] Grinding wheels are often worn during use, which requires frequent replacement. Even if only part of the wheel is worn, the entire wheel must be discarded, which is not only a waste of resources but also not conducive to cost savings. Utility Model Content

[0004] To this end, the utility model provides a polishing grinding wheel, which solves the problems mentioned in the above background technology by arranging two combinable semicircular grinding wheels and a quick disassembly and assembly mechanism.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polishing grinding wheel, comprising a connecting ring and two completely identical semicircular grinding wheels, the two semicircular grinding wheels can be connected end to end to form a complete circular grinding wheel, a semicircular through hole is provided in the middle of the semicircular grinding wheel, and an annular groove is provided on both sides of the semicircular grinding wheel, the connecting ring is located between the two through holes and the edge is embedded in the annular groove, the connecting ring is connected to the two semicircular grinding wheels by a plurality of screws, a groove a and a groove b are respectively provided at the two ends of the connecting side of the semicircular grinding wheel, connecting grooves are provided on the inner walls at both ends of the groove a, a plug plate is inserted in the groove b, the plug plate is connected to the semicircular grinding wheel by screws, one end of the plug plate is fixedly connected to a shell, the shell is inserted in the groove a of the other semicircular grinding wheel, a quick disassembly and assembly mechanism is provided inside the shell, and the quick disassembly and assembly mechanism is used for splicing and fixing the two semicircular grinding wheels.

[0006] Preferably, the quick disassembly and assembly mechanism comprises a support plate, a round head nail, a threaded rod, a movable block, two connecting blocks and two movable rods, and both ends of the support plate are fixedly connected to the inner wall of the shell.

[0007] Preferably, a circular groove is provided on one side of the shell, the head of the round head nail is located in the circular groove and is rotatably connected to the shell through the circular groove, the middle part of the round head nail is movably connected to the shell through a bearing, and the end of the round head nail extends into the shell and is fixedly connected to a bevel gear a.

[0008] Preferably, the threaded rod is movably connected to the middle part of the support plate via a bearing, one end of the threaded rod is fixedly connected to a bevel gear b, and the bevel gear b is meshingly connected to the bevel gear a.

[0009] Preferably, the middle part of the movable block is penetrated by a threaded rod and threadedly connected thereto, two rods a are fixedly connected to one side of the movable block, and a square guide rod is fixedly connected to one side of the support plate, and the guide rod penetrates the movable block and is slidably connected thereto.

[0010] Preferably, the top and bottom of the shell are provided with through grooves, the two connecting blocks pass through the two through grooves and are inserted into the two connecting grooves, one side of the two connecting blocks is fixedly connected with a rod b, and the two ends of the two movable rods are respectively hinged with the two rods a and the rod b.

[0011] Preferably, a guide column with a trapezoidal cross-section is fixedly connected to the inner wall of one end of the shell, and sliding grooves are provided at opposite ends of the two connecting blocks, and the guide column is slidably connected to the two connecting blocks through the two sliding grooves.

[0012] Preferably, a circular hole a corresponding to the circular groove is opened on one side surface of the semicircular grinding wheel.

[0013] Preferably, a circular hole b corresponding to the screw on the plug plate is opened on one side surface of the semicircular grinding wheel.

[0014] The utility model embodiment has the following advantages:

[0015] 1. The utility model can realize rapid splicing and disassembly by arranging two completely identical semicircular grinding wheels and a rapid disassembly and assembly mechanism. When one of the semicircular grinding wheels is worn, it can be quickly replaced without discarding the entire grinding wheel. The operation is simple and resource costs can be effectively saved.

[0016] 2. In the utility model, since the shell and the plug plate are connected to the semicircular grinding wheel by screws, when the semicircular grinding wheel is worn and needs to be replaced, the shell can be disassembled and reinstalled for use. The user only needs to replace the semicircular grinding wheel, thereby achieving full utilization of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0019] Figure 1 The overall structural diagram provided by the utility model;

[0020] Figure 2 A schematic diagram of the explosion structure provided by the utility model;

[0021] Figure 3 A sectional view of the overall structure provided by the utility model;

[0022] Figure 4 The utility model provides Figure 3 A magnified view of the structure of the middle part A;

[0023] Figure 5 This is a cross-sectional view of the top structure provided by the utility model.

[0024] In the figure: 1. connecting ring; 2. semicircular grinding wheel; 3. groove a; 4. groove b; 5. connecting groove; 6. plug plate; 7. shell; 8. support plate; 9. round head nail; 10. threaded rod; 11. movable block; 12. connecting block; 13. movable rod; 14. bevel gear a; 15. bevel gear b; 16. guide rod; 17. rod a; 18. rod b; 19. guide column. DETAILED DESCRIPTION

[0025] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See attached Figure 1 - Attachment Figure 5The utility model provides a polishing grinding wheel, comprising a connecting ring 1 and two completely identical semicircular grinding wheels 2, the two semicircular grinding wheels 2 can be connected end to end to form a complete circular grinding wheel, a semicircular through hole is provided in the middle of the semicircular grinding wheel 2, and an annular groove is provided on both sides of the semicircular grinding wheel 2, the connecting ring 1 is located between the two through holes and the edge is embedded in the annular groove, the connecting ring 1 is connected to the two semicircular grinding wheels 2 by a plurality of screws, the two ends of the connecting side of the semicircular grinding wheel 2 are respectively provided with a groove a3 and a groove b4, the inner walls of the two ends of the groove a3 are provided with connecting grooves 5, a plug-in plate 6 is inserted in the groove b4, the plug-in plate 6 is connected to the semicircular grinding wheel 2 by screws, one end of the plug-in plate 6 is fixedly connected to a shell 7, the shell 7 is inserted in the groove a3 of the other semicircular grinding wheel 2, a quick disassembly mechanism is provided inside the shell 7, and the quick disassembly mechanism is used for splicing and fixing between the two semicircular grinding wheels 2;

[0027] In this embodiment, the screws used to fix the plug plate 6 and the screws used to fix the connecting ring 1 have different specifications, but the heads of both screws are provided with a cross groove.

[0028] Among them, in order to achieve the purpose of rapid assembly of two semicircular grinding wheels 2, the present device is implemented by the following technical solutions: the rapid disassembly and assembly mechanism includes a support plate 8, a round head nail 9, a threaded rod 10, a movable block 11, two connecting blocks 12 and two movable rods 13, the two ends of the support plate 8 are fixedly connected to the inner wall of the shell 7, a circular groove is provided on one side of the shell 7, the head of the round head nail 9 is located in the circular groove and is rotatably connected to the shell 7 through the circular groove, a cross groove is provided on the end face of the head of the round head nail 9, the middle part of the round head nail 9 is movably connected to the shell 7 through a bearing, the end of the round head nail 9 extends into the shell 7 and is fixedly connected with a bevel gear a14, the threaded rod 10 is movably connected to the middle part of the support plate 8 through a bearing, one end of the threaded rod 10 is fixedly connected with a bevel gear b15, and the bevel gear b15 is meshed with the bevel gear a14, the middle part of the movable block 11 is penetrated by the threaded rod 10 and is threadedly connected to it, and one side of the movable block 11 is fixedly connected with two rod members a 17, a square guide rod 16 is fixedly connected to one side of the support plate 8, and the guide rod 16 passes through the movable block 11 and is slidably connected thereto. The function of the guide rod 16 is to prevent the movable block 11 from rotating with the threaded rod 10, so that the movable block 11 can translate along the guide rod 16. Through grooves are provided on the top and bottom of the shell 7, and the two connecting blocks 12 pass through the two through grooves and are inserted into the two connecting grooves 5. One side of the two connecting blocks 12 is fixedly connected with a rod b18, and the two ends of the two movable rods 13 are respectively hinged with the two rods a17 and the rod b18. A guide column 19 with a trapezoidal cross section is fixedly connected to the inner wall of one end of the shell 7, and a slide groove is provided at the opposite ends of the two connecting blocks 12. The guide column 19 is slidably connected to the two connecting blocks 12 through the two slide grooves respectively. The guide column 19 can prevent the two connecting blocks 12 from deviating when moving, and the trapezoidal design can prevent the two connecting blocks 12 from detaching;

[0029] Among them, in order to achieve the purpose of easy disassembly and assembly, the present device adopts the following technical solution: a circular hole a corresponding to the circular groove is opened on one side surface of the semicircular grinding wheel 2, and a circular hole b corresponding to the screw on the plug plate 6 is opened on one side surface of the semicircular grinding wheel 2. The user can insert a cross-shaped plum screwdriver into the circular hole a and the circular hole b respectively to screw the screw.

[0030] The use process of the utility model is as follows: when using the utility model, when two semicircular grinding wheels 2 need to be spliced, the connecting ring 1 can be first placed between the two semicircular grinding wheels 2, and the two semicircular grinding wheels 2 are placed head to tail so that the edge of the connecting ring 1 can be embedded in the annular groove, and then the connecting ring 1 is fixed to the two semicircular grinding wheels 2 respectively by multiple screws, and at the same time, the shell 7 on the semicircular grinding wheel 2 is inserted into the groove a3 on the other semicircular grinding wheel 2, and the round head nail 9 coincides with the circular hole a, and then the user can use a cross plum blossom screwdriver to drive the round head nail 9 to rotate, thereby driving the bevel gear a1 4 rotates, the bevel gear a14 drives the bevel gear b15 and the threaded rod 10 to rotate, and pushes the movable block 11 to translate along the guide rod 16, and through the two movable rods 13 respectively hinged with the two rods a17 and the rod b18, the two connecting blocks 12 are respectively pushed out of the through groove along the guide column 19 until they are inserted into the two connecting grooves 5, so that the two semicircular grinding wheels 2 are fixed and spliced. Since the shell 7 and the plug plate 6 are connected to the semicircular grinding wheel 2 by screws, when the semicircular grinding wheel 2 is worn and needs to be replaced, the shell 7 can be disassembled and reused, and only the semicircular grinding wheel 2 needs to be replaced.

[0031] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A grinding wheel, comprising a connecting ring (1) and two identical semicircular grinding wheels (2), characterized in that: The two semicircular grinding wheels (2) can be connected end to end to form a complete circular grinding wheel. A semicircular through hole is provided in the middle of the semicircular grinding wheel (2), and an annular groove is provided on both sides of the semicircular grinding wheel (2). The connecting ring (1) is located between the two through holes and its edge is embedded in the annular groove. The connecting ring (1) is connected to the two semicircular grinding wheels (2) by a plurality of screws. A groove a (3) and a groove b (4) are provided at both ends of the connecting side of the semicircular grinding wheel (2). The inner walls of both ends of the groove a (3) are provided with connection grooves (5); a plug plate (6) is inserted into the groove b (4); the plug plate (6) is connected to the semicircular grinding wheel (2) by screws; one end of the plug plate (6) is fixedly connected to a shell (7); the shell (7) is inserted into the groove a (3) of the other semicircular grinding wheel (2); a quick disassembly mechanism is provided inside the shell (7); the quick disassembly mechanism is used for splicing and fixing the two semicircular grinding wheels (2).

2. A grinding wheel according to claim 1, characterized in that: The quick disassembly and assembly mechanism comprises a support plate (8), a round-head nail (9), a threaded rod (10), a movable block (11), two connecting blocks (12) and two movable rods (13); both ends of the support plate (8) are fixedly connected to the inner wall of the housing (7).

3. A grinding wheel according to claim 2, characterized in that: A circular groove is provided on one side of the housing (7); the head of the round-headed nail (9) is located in the circular groove and is rotatably connected to the housing (7) via the circular groove; the middle of the round-headed nail (9) is movably connected to the housing (7) via a bearing; the end of the round-headed nail (9) extends into the housing (7) and is fixedly connected to a bevel gear a (14).

4. A grinding wheel according to claim 3, characterized in that: The threaded rod (10) is movably connected to the middle of the support plate (8) via a bearing, and one end of the threaded rod (10) is fixedly connected to a bevel gear b (15), and the bevel gear b (15) is meshingly connected to the bevel gear a (14).

5. A grinding wheel according to claim 4, characterized in that: The middle part of the movable block (11) is penetrated by a threaded rod (10) and is threadedly connected thereto; one side of the movable block (11) is fixedly connected to two rods a (17); one side of the support plate (8) is fixedly connected to a square guide rod (16); the guide rod (16) penetrates the movable block (11) and is slidably connected thereto.

6. A polishing wheel according to claim 5, characterized in that: The top and bottom of the shell (7) are both provided with through slots, and the two connecting blocks (12) pass through the two through slots and are inserted into the two connecting slots (5). One side of the two connecting blocks (12) is fixedly connected with a rod b (18), and the two ends of the two movable rods (13) are respectively movably hinged with the two rods a (17) and the rod b (18).

7. A grinding wheel according to claim 6, characterized in that: A guide column (19) having a trapezoidal cross section is fixedly connected to the inner wall of one end of the shell (7), and a sliding groove is provided at the opposite ends of the two connecting blocks (12), and the guide column (19) is slidably connected to the two connecting blocks (12) through the two sliding grooves.

8. A polishing wheel according to claim 3, characterized in that: A circular hole a corresponding to the circular groove is provided on one side surface of the semicircular grinding wheel (2).

9. The grinding wheel according to claim 1, characterized in that: A circular hole b corresponding to the screw on the inserting plate (6) is provided on one side surface of the semicircular grinding wheel (2).

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