Grinding head with reinforcing structure and floor grinding machine

Abstract

The utility model discloses a grinding head with a reinforcing structure and a floor grinding machine, and belongs to the technical field of grinding machines. The grinding head with the reinforcing structure comprises a conversion disc, a pressing disc and a connecting disc. A sinking groove is formed in the conversion disc, a limiting plate is further arranged on the conversion disc towards the sinking groove, and a through hole is defined by the limiting plate at a groove opening of the sinking groove; the pressing disc is arranged in the sinking groove, and the outer diameter of the pressing disc is larger than the inner diameter of the through hole. The connecting disc comprises a fixing part and a connecting part which are integrally formed, the fixing part is arranged between the pressing disc and the limiting plate, the connecting part is used for being connected with the grinding piece, the connecting part is arranged on the side, facing the through hole, of the fixing part, and the connecting part is arranged in the through hole in a penetrating mode. The grinding head with the reinforced structure has the advantage of being firm in connection.

Description

TECHNICAL FIELD

[0001] The utility model relates to a grinding machine technical field especially, it relates to a kind of grinding head and terrace grinder with reinforcing structure. BACKGROUND

[0002] Terrace grinder, also known as floor polisher, is a kind of equipment specially used for ground grinding treatment. It can efficiently polish terrazzo, concrete surface layer and epoxy mortar layer and other various ground materials to achieve the effect of smooth floor. In the terrace grinder, the grinding head is its core component, and its working principle is that the grinding head is driven to rotate by motor, so that the grinding disc on the grinding head generates friction with the ground under certain pressure, realizing the grinding of the ground.

[0003] Referring to patent CN105108596B, the patent discloses a grinding head of terrace grinder and its working method. In the existing terrace grinder, the grinding disc is usually fixed on the adsorbing bottom sheet by nylon male and female buckle. This design makes the disassembly of grinding disc and adsorbing bottom sheet convenient and fast.

[0004] However, the nylon male and female buckle is usually glued or fixed on the adsorbing bottom sheet by nails, which can easily cause the nylon male and female buckle to fall off from the adsorbing bottom sheet in actual application. Therefore, the existing fixing method of nylon male and female buckle and adsorbing bottom sheet has the problem of instability. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of grinding head and terrace grinder with reinforcing structure, with the advantage of firm connection.

[0006] In the first aspect, the utility model provides a kind of grinding head with reinforcing structure, comprising:

[0007] The conversion disc is provided with a sink, and the conversion disc is also provided with a limiting plate towards the sink, and the limiting plate is surrounded by the slot opening of the sink to form a through hole;

[0008] The compression disc is arranged in the sink, and the outer diameter of the compression disc is greater than the inner diameter of the through hole;

[0009] The connecting disc includes an integrally formed fixed part and connecting part, the fixed part is arranged between the compression disc and the limiting plate, the connecting part is used for connecting the grinding disc, the connecting part is arranged on the side of the fixed part towards the through hole, and the connecting part is arranged in the through hole.

[0010] The grinding head with the reinforcing structure is firmly installed in the sink through the compression disc and the limiting plate, and then the integrally-formed connecting part is arranged on the side of the fixed part facing the through hole.

[0011] Further, the conversion disc is provided with a first positioning hole, and the compression disc is provided with a second positioning hole, and the first positioning hole and the second positioning hole are arranged in alignment.

[0012] By arranging the first positioning hole and the second positioning hole, the positioning shaft on the grinding machine can be inserted and fixed, so that the grinding machine can drive the conversion disc to rotate.

[0013] Further, the number of the first positioning hole and the second positioning hole is multiple, and multiple first positioning holes and multiple second positioning holes are arranged in a circumferential interval around the center of the conversion disc.

[0014] By increasing the number of the first positioning hole and the second positioning hole, the rotation stability of the conversion disc can be enhanced.

[0015] Further, the first positioning hole and the second positioning hole include a circular hole and / or an oblong hole.

[0016] Further, the conversion disc is provided with a first limiting surrounding plate around the first positioning hole, and the first limiting surrounding plate is arranged through the second positioning hole.

[0017] By arranging the first limiting surrounding plate through the second positioning hole, the synchronization between the conversion disc and the compression disc can be enhanced, and it is ensured that the compression disc can rotate with the conversion disc; in addition, the existence of the first limiting surrounding plate can also enhance the structural strength of the compression disc, reduce the occurrence of wrinkles caused by the deformation of the compression disc during grinding, and thus ensure that the compression disc can exert the compression force like the fixed part.

[0018] Further, the side of the compression disc facing the conversion disc is further provided with a fixing shaft, the fixing shaft is arranged at the center of the compression disc, the conversion disc is provided with a fixing hole, and the fixing shaft is arranged in the fixing hole.

[0019] By arranging the fixing shaft, the fixing shaft can be inserted into the grinding machine for fixation, so that the grinding machine can drive the conversion disc to rotate.

[0020] Further, a second limiting fence is arranged around the fixing hole on the side of the conversion disc away from the compression disc, and the fixing shaft penetrates through the second limiting fence.

[0021] Further, a damping disc is arranged between the compression disc and the fixing part.

[0022] By arranging the damping disc between the compression disc and the fixing part, the vibration force transmitted from the grinding sheet to the conversion disc during the grinding process can be reduced, so that the grinding stability of the grinding machine during the operation process is improved.

[0023] Further, the connecting part is provided with a magic tape on the side away from the fixing part.

[0024] In the second aspect, the utility model provides a floor grinder, which comprises the grinding head with the reinforcing structure.

[0025] As can be seen from the above, the grinding head with the reinforcing structure is firmly installed in the sink through the compression disc and the limiting plate, and then the integrally formed connecting part is arranged on the side of the fixing part facing the through hole. Such a layout enables the grinding sheet to be firmly locked on the conversion disc through the connecting part. This design not only enhances the connection stability between the fixing part and the conversion disc, but also significantly improves the grinding stability of the grinding machine during the operation process.

[0026] Other features and advantages of the present application will be described in the following description, and some will become apparent from the description, or will be understood through implementation of the embodiments of the present application. The purposes and other advantages of the present application can be achieved and obtained through the structures specifically pointed out in the written description and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 1 is a sectional structure schematic diagram of the grinding head with the reinforcing structure according to the utility model.

[0028] Figure 2 FIG. 2 is an enlarged structure schematic diagram of the grinding head A area with the reinforcing structure. Figure 1

[0029] Figure 3 FIG. 4 is an exploded structure schematic diagram of the grinding head with the reinforcing structure. Figure 1

[0030] Figure 4 FIG. 5 is an exploded structure schematic diagram of the grinding head from another perspective with the reinforcing structure. Figure 1

[0031] ​​​In the drawings: 100, conversion disc; 110, sink groove; 120, limiting plate; 121, through hole; 130, first positioning hole; 131, first limiting surrounding plate; 140, fixing hole; 141, second limiting surrounding plate; 200, compression disc; 210, second positioning hole; 220, fixing shaft; 300, connecting disc; 310, fixed part; 320, connecting part; 321, magic tape; 400, shock absorbing disc; 410, third positioning hole. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below with reference to the accompanying drawings. The embodiments shown in the drawings are examples only, and are not intended to limit the present application.

[0033] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplification, the components and arrangements of the specific examples are described in the following. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can refer to the same reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or arrangements discussed.

[0034] The grinding head with a reinforcing structure disclosed by the present application is mainly applied to a floor grinding machine, and is used to strengthen the connection stability between the grinding sheet and the conversion disc.

[0035] Referring to the accompanying drawings Figure 1 , the accompanying drawings Figure 2 , the accompanying drawings Figure 3 In one embodiment, the grinding head with a reinforcing structure includes a conversion disc 100, a compression disc 200, and a connecting disc 300. The conversion disc 100 is provided with a sink groove 110, and the conversion disc 100 is also provided with a limiting plate 120 towards the sink groove 110, and the limiting plate 120 is provided with a through hole 121 surrounded by the slot opening of the sink groove 110; the compression disc 200 is arranged in the sink groove 110, and the outer diameter of the compression disc 200 is greater than the inner diameter of the through hole 121; the connecting disc 300 includes an integral fixed part 310 and a connecting part 320, the fixed part 310 is arranged between the compression disc 200 and the limiting plate 120, the connecting part 320 is used to connect the grinding sheet, the connecting part 320 is arranged on the side of the fixed part 310 towards the through hole 121, and the connecting part 320 is arranged in the through hole 121.

[0036] It is worth noting that the fixed part 310 can also be bonded by glue or reinforced by nails to connect with the conversion disc 100.

[0037] From the above, the utility model provides a grinding head with reinforcing structure, the fixed part 310 is stably installed in the sink 110 through the compression disc 200 and the limiting plate 120, then the integrated connecting part 320 is arranged at the side of the fixed part 310 towards the through hole 121. Such layout makes that the abrasive sheet can be firmly locked on the conversion disc 100 through the connecting part 320. This design not only enhances the connection stability between the fixed part 310 and the conversion disc 100, but also significantly improves the grinding stability of the grinding machine in the operation process.

[0038] In one embodiment, the conversion disc 100 is a magnetic element. The conversion disc 100 and the grinding machine can be fixed by magnetic attraction.

[0039] Reference to the accompanying drawings Figure 1 , the accompanying drawings Figure 2 In one embodiment, further comprising a shock absorbing disc 400, the shock absorbing disc 400 is arranged between the compression disc 200 and the fixed part 310.

[0040] Specifically, the shock absorbing disc 400 adopts a conventional rubber shock pad, or the shock absorbing disc 400 is internally provided with a rigid skeleton structure, and externally wrapped with a rubber shock pad.

[0041] By setting the shock absorbing disc 400 between the compression disc 200 and the fixed part 310, the vibration force transmitted from the abrasive sheet to the conversion disc 100 during grinding can be reduced, thereby improving the grinding stability of the grinding machine in the operation process.

[0042] In one embodiment, the side of the connecting part 320 away from the fixed part 310 is provided with a magic tape 321.

[0043] Specifically, the magic tape 321 on the connecting part 320 can be one of a magic tape male and a magic tape female, and the other one of the magic tape male and the magic tape female is provided on the abrasive sheet, so that the abrasive sheet can be adsorbed on the connecting part 320.

[0044] Reference to the accompanying drawings Figure 3 In one embodiment, the conversion disc 100 is provided with a first positioning hole 130, the compression disc 200 is provided with a second positioning hole 210, and the first positioning hole 130 and the second positioning hole 210 are arranged in alignment.

[0045] By setting the first positioning hole 130 and the second positioning hole 210, the positioning shaft on the grinding machine can be inserted and fixed, so that the grinding machine can drive the conversion disc 100 to rotate.

[0046] In one of the embodiments, the first positioning holes 130 and the second positioning holes 210 are multiple in number, and the multiple first positioning holes 130 and the multiple second positioning holes 210 are circumferentially spaced around the center of the conversion disc 100.

[0047] With the above technical solution, by increasing the number of the first positioning holes 130 and the second positioning holes 210, the rotation stability of the conversion disc 100 can be enhanced.

[0048] In one of the embodiments, the first positioning holes 130 and the second positioning holes 210 include circular holes and / or oblong holes.

[0049] In one of the embodiments, the conversion disc 100 is further provided with a first limiting surrounding plate 131 around the first positioning holes 130, and the first limiting surrounding plate 131 penetrates the second positioning holes 210.

[0050] With the above technical solution, by penetrating the first limiting surrounding plate 131 through the second positioning holes 210, the synchronization between the conversion disc 100 and the compression disc 200 can be enhanced, so as to ensure that the compression disc 200 can rotate with the rotation of the conversion disc 100. In addition, the presence of the first limiting surrounding plate 131 can also strengthen the structural strength of the compression disc 200, so as to reduce the occurrence of the compression disc 200 being deformed and wrinkled during the grinding, thereby ensuring that the compression disc 200 can exert the compression force like the fixed part 310.

[0051] In one of the embodiments, the damping disc 400 is provided with third positioning holes 410, and the third positioning holes 410 are respectively aligned with the first positioning holes 130 and the second positioning holes 210, and the first limiting surrounding plate 131 penetrates the second positioning holes 210 to the third positioning holes 410.

[0052] Specifically, the first limiting surrounding plate 131 penetrates the second positioning holes 210 to the third positioning holes 410.

[0053] Reference is made to the accompanying drawings Figure 1 , the accompanying drawings Figure 4 In one of the embodiments, the compression disc 200 is further provided with a fixed shaft 220 on the side facing the conversion disc 100, the fixed shaft 220 is arranged at the center of the compression disc 200, the conversion disc 100 is provided with a fixed hole 140, and the fixed shaft 220 is arranged in the fixed hole 140.

[0054] With the above technical solution, by arranging the fixed shaft 220, the fixed shaft 220 can be inserted into the grinding machine for fixation, so that the grinding machine can drive the conversion disc 100 to rotate.

[0055] In one of the embodiments, the conversion disc 100 is provided with a second limiting surrounding plate 141 around the fixed hole 140 on the side facing away from the compression disc 200, and the fixed shaft 220 penetrates the second limiting surrounding plate 141.

[0056] The utility model still provides a floor grinder, including any embodiment's grinding head with reinforcing structure of above.

[0057] In the description of the present specification, the description of the terms "one embodiment", "certain embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the described embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0058] The above is only some embodiments of the utility model. For ordinary skilled in the art, without departing from the creative concept of the utility model, a number of variations and improvements can be made, which are within the protection scope of the utility model.

Claims

1. A polishing head having a reinforcing structure, characterized by, include: The conversion plate (100) is provided with a sink (110), and the conversion plate (100) is also provided with a limiting plate (120) facing the sink (110). The limiting plate (120) forms a through hole (121) around the opening of the sink (110). A clamping plate (200) is disposed in the settling groove (110), and the outer diameter of the clamping plate (200) is larger than the inner diameter of the through hole (121); The connecting plate (300) includes an integrally formed fixing part (310) and a connecting part (320). The fixing part (310) is located between the pressing plate (200) and the limiting plate (120). The connecting part (320) is used to connect the grinding disc. The connecting part (320) is located on the side of the fixing part (310) facing the through hole (121), and the connecting part (320) passes through the through hole (121).

2. The polishing head with a reinforced structure according to claim 1, wherein, The conversion disc (100) is provided with a first positioning hole (130), and the pressing disc (200) is provided with a second positioning hole (210). The first positioning hole (130) and the second positioning hole (210) are aligned.

3. The polishing head with a reinforcing structure according to claim 2, wherein The number of the first positioning hole (130) and the second positioning hole (210) is multiple, and the multiple first positioning holes (130) and the multiple second positioning holes (210) are circumferentially spaced around the center of the conversion disk (100).

4. The polishing head with a reinforcing structure according to claim 3, wherein The first positioning hole (130) and the second positioning hole (210) include circular holes and / or oblong holes.

5. The lapping head with a reinforcing structure according to any one of claims 2-4, characterized in that, The conversion disk (100) is also provided with a first limiting plate (131) around the first positioning hole (130), and the first limiting plate (131) is provided through the second positioning hole (210).

6. The polishing head with a reinforced structure according to claim 1, wherein, The clamping plate (200) is provided with a fixed shaft (220) on the side facing the conversion plate (100). The fixed shaft (220) is located at the center of the clamping plate (200). The conversion plate (100) is provided with a fixing hole (140), and the fixed shaft (220) passes through the fixing hole (140).

7. The polishing head having a reinforcing structure according to claim 6, wherein The conversion disc (100) has a second limiting plate (141) on the side facing away from the pressing disc (200) around the fixing hole (140), and the fixing shaft (220) is provided through the second limiting plate (141).

8. The polishing head with a reinforced structure according to claim 1, wherein, It also includes a shock-absorbing plate (400) disposed between the pressure plate (200) and the fixing part (310).

9. The polishing head having a reinforcing structure according to claim 1, wherein The connecting part (320) has a Velcro strap (321) on the side opposite to the fixing part (310).

10. A floor grinding machine characterized by, The grinding head with a reinforced structure as described in any one of claims 1-9.

Images