Single-screw combined type grinding disc for stone machining

Abstract

The utility model relates to the technical field of stone machining, and provides a single-screw combined type grinding disc for stone machining, the single-screw combined type grinding disc for stone machining is provided with a sinking groove, and a mounting hole communicating with the sinking groove is formed in the front face of a base body; the segment is installed on the front face of the base body, the screw rod sequentially penetrates through the installation holes and extends into the sinking groove, a nut is arranged in the sinking groove, and the nut is in threaded connection with the screw rod, so that the nut and the segment are jointly clamped on the two opposite sides of the base body. According to the single-screw combined type grinding disc for stone machining, the stability between the segments and the base body is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of stone processing, in particular to a single-screw combined grinding disc for stone processing. BACKGROUND

[0002] The metal grinding disc is a high-efficiency grinding tool widely used in metal processing, building materials and other industries, which is usually composed of a base body and a plurality of grinding segments detachably fixed on the base body. The split structure facilitates replacement of a single segment when it is worn or damaged, thereby prolonging the service life of the entire grinding disc and reducing the use cost.

[0003] In the existing technology, a common connection mode of the grinding segment and the base body is that the segment is placed on the front surface of the base body, and then a bolt is used to pass through the back surface of the base body and is screwed with the threaded hole in the segment.

[0004] Although this connection mode realizes the replaceability of the segment, it has obvious defects in actual use. Since the friction force of the threaded pair between the bolt and the segment is used to resist rotation, under the working condition of continuous high-speed rotation and severe vibration of the grinding disc, the threaded connection part is prone to slight relative rotation, which causes the bolt to loosen. This not only affects the stability of grinding and the processing quality, but also may cause safety accidents due to the falling of the segment. Therefore, a metal grinding disc capable of increasing the stability between the segment and the base body is needed. CONTENT OF THE INVENTION

[0005] In order to increase the stability between the segment and the base body, the application provides a single-screw combined grinding disc for stone processing.

[0006] The single-screw combined grinding disc for stone processing provided by the application adopts the following technical scheme:

[0007] The single-screw combined grinding disc for stone processing comprises a base body, a plurality of segments and a screw rod connected with the segments respectively, the back surface of the base body is provided with a sink, and the front surface of the base body is provided with a mounting hole in communication with the sink; the segment is mounted on the front surface of the base body, the screw rod passes through the mounting hole in sequence and extends into the sink, a nut is arranged in the sink, and the nut is threadedly connected with the screw rod, so that the nut and the segment are clamped on the opposite sides of the base body.

[0008] By adopting the above technical scheme, the detachable connection of the segment and the base body is realized, the replacement of a single segment when it is worn or damaged is facilitated, the service life of the entire grinding disc is prolonged, and the use cost is reduced; at the same time, the nut and the segment are clamped on the opposite sides of the base body, which can increase the stability between the segment and the base body, avoid the loosening of the bolt under the working condition of continuous high-speed rotation and severe vibration of the grinding disc, and ensure the stability of grinding and the processing quality.

[0009] Optionally, one side of the segment block where the screw rod is installed is provided with an arc convex surface, and the base body is provided with an arc groove matched with the arc convex surface.

[0010] By adopting the technical scheme, the arc convex surface of the segment block is matched with the arc groove of the base body, the contact area between the segment block and the base body is increased, the stability between the segment block and the base body is further increased, the screw rod is prevented from being broken under the working condition of high-speed rotation and severe vibration of the grinding disc, and the grinding quality and use safety are ensured.

[0011] Optionally, a positioning block is integrally formed on one side of the segment block, the screw rod is installed on the positioning block, the base body is provided with a positioning groove for inserting the positioning block, and the mounting hole is in communication with the positioning groove.

[0012] By adopting the technical scheme, the screw rod is prevented from being broken under the working condition of high-speed rotation and severe vibration of the grinding disc.

[0013] Optionally, the positioning block has a quadrilateral cross section.

[0014] By adopting the technical scheme, the position of the positioning block is positioned when the positioning block and the positioning groove are inserted and matched, and the assembly efficiency is further improved.

[0015] Optionally, a positioning sleeve is arranged on the outer wall of the nut, one side of the positioning sleeve is provided with a gear, and a gear slot is arranged in the inner wall of the sink groove for inserting the gear; when the gear and the gear slot are inserted and matched, the end of the positioning sleeve away from the sink groove is flush with the back surface of the base body.

[0016] By adopting the technical scheme, the nut is prevented from rotating under the working condition of continuous high-speed rotation and severe vibration of the grinding disc, the stability between the segment block and the base body is increased, and during assembly of the base body and the equipment, one end of the positioning sleeve abuts against the equipment, the positioning sleeve is prevented from being separated from the gear slot, and the possibility of rotation of the nut is further reduced.

[0017] Optionally, the inner wall of the positioning sleeve is provided with a rubber layer for abutting against the outer wall of the nut.

[0018] By adopting the technical scheme, the stability of the positioning sleeve sleeved on the nut is increased, and the positioning sleeve is prevented from being separated during assembly of the base body and the equipment.

[0019] Optionally, the outer diameter of the positioning sleeve is smaller than the inner diameter of the sink groove.

[0020] By adopting the technical scheme, the positioning sleeve can be directly taken off by the staff.

[0021] Optionally, the thickness of the nut matches the depth of the sink groove.

[0022] By adopting the technical scheme, the nut is prevented from being separated from the sink.

[0023] To sum up, the application has at least one of the following beneficial technical effects:

[0024] 1. By mounting the screw rod on the segment block, the nut and the segment block are clamped on opposite sides of the base body, which can increase the stability between the segment block and the base body, avoid bolt loosening under the working condition of continuous high-speed rotation and severe vibration of the grinding disc, and ensure the stability and processing quality of grinding;

[0025] 2. By providing the positioning sleeve, the nut is prevented from rotating under the working condition of continuous high-speed rotation and severe vibration of the grinding disc, which increases the stability between the segment block and the base body; and in the process of assembling the base body and the equipment, one end of the positioning sleeve abuts against the equipment, which reduces the disengagement of the positioning sleeve and the tooth groove plug-in connection, and further reduces the possibility of rotation of the nut. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of embodiment 1;

[0027] Figure 2 is a partial cross-sectional view of A-A of Figure 1

[0028] Figure 3 is a partial cross-sectional view of embodiment 2;

[0029] Figure 4 is a partial cross-sectional view of embodiment 3.

[0030] BRIEF DESCRIPTION OF DRAWINGS1. Base body; 11, mounting hole; 12, sink; 13, arc-shaped groove; 14, positioning groove; 15, tooth groove; 2, segment block; 21, arc-shaped convex surface; 22, positioning block; 3, screw rod; 4, nut; 5, positioning sleeve; 51, gear. DETAILED DESCRIPTION

[0031] The following will be described in detail in combination with the accompanying Figures 1-4 The application will be further described in detail. Embodiment 1:

[0032] The embodiment of the application discloses a single-screw combined grinding disc for stone processing.

[0033] Referring to Figure 1 and Figure 2 , a single-screw combined grinding disc for stone processing, comprising a base body 1, a plurality of segment blocks 2, and a screw rod 3 and a nut 4, the base body 1 is the basic component of the entire grinding disc, usually made of metal materials such as stainless steel, alloy steel, etc., which have high strength and wear resistance, and can withstand the pressure and friction force of the grinding disc during work.

[0034] With reference to Figure 2 The mounting hole 11 is generally circular in shape for facilitating the screw rod 3 to pass through, and the size thereof is adapted to the outer diameter of the screw rod 3. The sink 12 is used for accommodating the nut 4, and the depth and diameter thereof are designed according to the size of the nut 4.

[0035] The segment 2 is a key component for grinding stone and is installed on the front surface of the base 1. The segment 2 is usually made of wear-resistant materials such as diamond and silicon carbide, which have high hardness and good grinding performance.

[0036] The screw rod 3 is used for connecting the segment 2 and the base 1, and one end thereof is connected to the segment 2. The front surface of the base 1 is provided with a mounting hole 11, which is generally circular in shape for facilitating the screw rod 3 to pass through, and the size thereof is adapted to the outer diameter of the screw rod 3.

[0037] The back surface of the base 1 is provided with a sink 12 in communication with the mounting hole 11, and the nut 4 is located in the sink 12. The end of the screw rod 3 away from the segment 2 passes through the mounting hole 11 and extends into the sink 12 to be threadedly connected to the nut 4. The nut 4 is a standard hexagonal nut 4, and the material thereof is the same as that of the base 1. The nut 4 and the segment 2 jointly clamp the base 1 to fix the segment 2.

[0038] In the embodiment, the thickness of the nut 4 is the same as the depth of the sink 12. That is, when the nut 4 and the segment 2 clamp the base 1 on opposite sides, the side of the nut 4 is flush with the base 1. Then, when the base 1 is connected to the equipment, the nut 4 can abut against one side of the equipment, thereby reducing the situation that the nut 4 is separated from the sink 12, and reducing the situation that the segment 2 is loosened.

[0039] In other embodiments, in order to increase the friction between the nut 4 and the screw rod 3, the outer wall of the screw rod 3 is provided with convex point textures.

[0040] The implementation principle of the embodiment is that the grinding disc fixes the segment 2 on the base 1 through the screw rod 3 and the nut 4, realizes the replaceability of the segment 2, prolongs the service life of the entire grinding disc, and reduces the use cost. Meanwhile, the nut 4 and the segment 2 jointly clamp the base 1, increase the stability between the segment 2 and the base 1, avoid the loosening of the bolt under the working condition of continuous high-speed rotation and severe vibration of the grinding disc, ensure the stability of grinding and the processing quality, and improve the safety of the grinding disc. Embodiment 2

[0041] The embodiment of the application discloses a single-screw combined grinding disc for stone processing.

[0042] With reference to Figure 3The difference between the embodiment 2 and the embodiment 1 of the application is that the side of the segment block 2, on which the screw rod 3 is installed, is provided with an arc convex surface 21, and the base body 1 is provided with an arc concave groove 13 matched with the arc convex surface 21; the arc convex surface 21 and the arc concave groove 13 increase the contact area between the segment block 2 and the base body 1, and further improve the stability between the segment block 2 and the base body 1. When the segment block 2 is installed, the arc convex surface 21 is aligned with the arc concave groove 13, and then the segment block 2 is fixed by the screw rod 3 and the nut 4.

[0043] The positioning block 22 is integrally formed on one side of the segment block 2, that is, the positioning block 22 is installed on the side of the segment block 2 with the arc convex surface 21; the screw rod 3 is installed on the positioning block 22, the base body 1 is provided with the positioning groove 14 for inserting the positioning block 22, the mounting hole 11 is in communication with the positioning groove 14, and the cross section of the positioning block 22 is quadrilateral.

[0044] The positioning block 22 further improves the stability between the segment block 2 and the base body 1, and reduces the breakage of the screw rod 3 under the working conditions of high-speed rotation and severe vibration of the grinding disc; the cross section of the positioning block 22 is quadrilateral, which can position the position of the positioning block 22 when the positioning block 22 is inserted and matched with the positioning groove 14 on the base body 1, and further improves the assembly efficiency. Embodiment 3

[0045] The embodiment of the application discloses a single-screw combined grinding disc for stone processing.

[0046] Reference Figure 4 The difference between the embodiment 3 and the embodiment 1 of the application is that the depth of the sink groove 12 is greater than the thickness of the nut 4, the nut 4 is sleeved with the positioning sleeve 5, and the outer diameter of the positioning sleeve 5 is less than the inner diameter of the sink groove, so that the positioning sleeve 5 can be directly taken off by the worker with hands.

[0047] The positioning sleeve 5 is provided with the gear 51 on one side, and the inner wall of the sink groove 12 is provided with the gear slot 15 for inserting the gear 51; when the gear 51 is inserted and matched with the gear slot 15, the end of the positioning sleeve 5 away from the sink groove 12 is flush with the back side of the base body 1; that is, when the base disc is assembled with the equipment, the one end of the positioning sleeve 5 and the base disc can abut against the equipment, which can reduce the phenomenon that the gear 51 is separated from the gear slot 15; meanwhile, the nut 4 is a hexagonal nut, and since the positioning sleeve 5 and the gear 51 cannot relatively rotate, the loosening possibility of the nut 4 and the screw rod 3 is reduced, and the stability of the segment block 2 installed on the base body 1 is further improved.

[0048] The inner wall of the positioning sleeve 5 is provided with a rubber layer, and the rubber layer can increase the stability of the positioning sleeve 5 sleeved on the nut 4, and avoid the separation of the positioning sleeve 5 during the assembly of the base body 1 and the equipment.

[0049] The implementation principle of the embodiment 3 of the application is as follows:

[0050] In the process of assembling the base 1 with the device, the abutting end of the positioning sleeve 5 is in abutment with the device, which can reduce the disengagement of the positioning sleeve 5 from the tooth groove 15, thereby reducing the possibility of the nut 4 rotating, and further improving the stability of the segment block installed on the base 1.

[0051] The above is the preferred embodiment of the present application, which does not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A single screw combined grinding disc for stone processing, characterized by: The utility model relates to a kind of screw rod connecting device, including base (1), multiple segments (2) and respectively with the screw rod (3) being connected with segment (2), the back side of the base (1) is provided with sink (12), the front of the base (1) is provided with installation hole (11) being communicated with sink (12);The segment (2) is installed in the front of base (1), the screw rod (3) passes through installation hole (11) in turn and extends into sink (12) inside, nut (4) is provided in sink (12) inside, nut (4) is connected with screw rod (3) threadedly, so that nut (4) and segment (2) are clamped in the opposite sides of base (1) together;Nut (4) outer wall is equipped with positioning sleeve (5), one side of positioning sleeve (5) is provided with gear (51), the inner wall of sink (12) is provided with gear slot (15) for the insertion of gear (51);When gear (51) is inserted with gear slot (15) cooperation, the end of positioning sleeve (5) away from sink (12) is flush with the back side of base (1).

2. A single screw combined grinding disc for stone processing according to claim 1, characterized in that: The side of the segment (2) where screw rod (3) is installed is provided with arc convex surface (21), and the base (1) is provided with arc-shaped groove (13) matched with the arc convex surface (21).

3. A single screw combined grinding disc for stone processing according to claim 1, characterized in that: The segment (2) is integrally formed with positioning block (22) on one side, and the screw rod (3) is installed with the positioning block (22); The base (1) is provided with positioning groove (14) for inserting the positioning block (22), and the installation hole (11) is communicated with the positioning groove (14).

4. A single screw combined grinding disc for stone processing according to claim 3, characterized in that: The positioning block (22) is quadrilateral in cross section.

5. A single screw combined grinding disc for stone processing according to claim 1, characterized in that: The inner wall of the positioning sleeve (5) is provided with a rubber layer for abutting with the outer wall of the nut (4).

6. A single screw combined grinding disc for stone processing according to claim 1, characterized in that: The outer diameter of the positioning sleeve (5) is smaller than the inner diameter of the sink (12).

7. A single screw combined grinding disc for stone processing according to claim 1, characterized in that: The thickness of the nut (4) is matched with the depth of the sink (12).

Images