Grinding wheel with anti-burst function

Abstract

The utility model discloses a grinding wheel with an anti-bursting function, which solves the problem of bursting caused by heating and higher temperature rise in the grinding process of the grinding wheel, and comprises a rotating wheel, a rotating shaft is coaxially arranged on the back surface of the rotating wheel, an outer grinding part is arranged on the outer side of the rotating wheel, and an inner grinding part is arranged on the outer side of the rotating wheel. A protection connecting assembly is mounted in the rotating wheel and comprises a mounting groove formed in the rotating wheel, the mounting groove penetrates to the side, away from the rotating shaft, of the rotating wheel, a middle block is arranged in the mounting groove, a fan is mounted on the side, away from the rotating shaft, of the middle block, and heat dissipation grooves are evenly formed in the rotating wheel. One end of the heat dissipation groove penetrates to the position, close to one side of the rotating shaft, of the circumferential inner wall of the mounting groove. In the working process, the fan rotates along with the working of the rotating wheel and continuously guides air, so that heat exchange is carried out on the rotating wheel and the grinding ring, the heat dissipation effect is achieved, and the anti-explosion effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grinding wheel, concretely is a kind of grinding wheel with anti-burst function. BACKGROUND

[0002] According to the patent document with the authorized announcement number "CN206509910U", the invention name "a new grinding wheel", its specification records: in the process of using, after the assembly connection of center positioning hole and the center shaft of grinding equipment, the upper pressing connection hole and the lower pressing connection hole of the grinding wheel are connected by fastening nut, the grinding wheel is pressed and fixed, then in the process of processing different diameter of heteromorphous structure hole, the offset buffer layer structure is set on the center positioning hole, the pressure sensor set on the offset buffer layer structure can automatically respond to the diameter change of different structure heteromorphous structure hole, then the elastic buffer changes its elastic shrinkage, effectively guarantee the adhesion of grinding wheel to heteromorphous structure hole wall, guarantee the grinding precision of processing, and in order to guarantee the structural strength and good heat dissipation function of the grinding wheel, reinforcing matrix layer is also set on the grinding wheel, and the corresponding slot is set on reinforcing matrix layer;The grinding wheel of the structure is particularly suitable for the grinding of heteromorphous structure hole, so that the grinding wheel can be tightly ground according to the change of heteromorphous structure hole diameter, effectively guarantee the processing precision of heteromorphous structure hole, but still has the following defects:

[0003] In the process of grinding of grinding wheel, friction between workpiece makes its temperature rise, so that grinding wheel may burst, thereby causing harm to surrounding workers. UTILITY MODEL CONTENT

[0004] In view of the above situation, in order to overcome the defects of prior art, the utility model provides a kind of grinding wheel with anti-burst function, effectively solve the problem of burst caused by high temperature rise in the process of grinding of grinding wheel.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of grinding wheel with anti-burst function, including rotating wheel, the back surface coaxial installation of rotating wheel has shaft, the outside of rotating wheel is installed with outer grinding part, the inside of rotating wheel is installed with protection connection component;

[0006] Protection connection component includes installation groove in the inside of rotating wheel, installation groove penetrates to the side of rotating wheel away from shaft, the inside of installation groove is provided with middle block, the side of middle block away from shaft is installed with fan, the inside of rotating wheel is uniformly provided with heat dissipation groove, one end of heat dissipation groove penetrates to the position on the circumferential inner wall of installation groove and close to the side of shaft, the other end of heat dissipation groove penetrates to the side of rotating wheel away from shaft.

[0007] Preferably, the outer wall of the rotating wheel is provided with positioning grooves at equal angles, and the circumferential inner wall of the mounting groove is provided with clamping positioning members at equal angles, and the clamping positioning members correspond to the positioning grooves one by one.

[0008] Preferably, the clamping positioning member comprises a fixed box mounted on the circumferential inner wall of the mounting groove at equal angles, the side of the fixed box close to the positioning groove is symmetrically provided with a rod groove, the rod groove is in communication with the positioning groove, the inside of the fixed box is movably provided with a movable plate, the side of the movable plate close to the positioning groove is symmetrically provided with a clamping rod, and the clamping rod passes through the rod groove to the inside of the positioning groove.

[0009] Preferably, the side of the movable plate away from the clamping rod is fixedly provided with a pull rod, one end of the pull rod penetrates into the inside of the mounting groove, one end of the pull rod is hingedly provided with a connecting rod, one end of the connecting rod is hingedly connected to the outer wall of the middle block, and the side of the movable plate close to the pull rod is symmetrically provided with a spring.

[0010] Preferably, the side of the mounting groove close to the rotating shaft is symmetrically provided with a communication groove, the two sides of the middle block are symmetrically provided with side plates, the side plates are provided with screw rods, the screw rods pass through the communication groove to the side of the rotating wheel close to the rotating shaft, the outer threads of the screw rods are provided with screw sleeves, and the screw sleeves are located at the side of the rotating wheel close to the rotating shaft.

[0011] Preferably, the outer grinding part comprises a grinding ring sleeved on the outer side of the rotating wheel, the inner side of the grinding ring is provided with positioning blocks at equal angles, the positioning blocks are mounted in the inside of the positioning groove, two clamping grooves are symmetrically provided on the positioning blocks, and the clamping rods are clamped into the inside of the clamping grooves.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In work, the grinding ring is installed on the outer side of the rotating wheel, the inside of the mounting groove is provided with a fan, the fan rotates with the rotating wheel, and the fan continuously guides the air when rotating, so that the air enters the mounting groove and is discharged from the heat dissipation groove, thereby heat exchange of the rotating wheel and the grinding ring is realized, heat dissipation effect is achieved, and the anti-burst effect is improved.

[0014] In work, the grinding ring is installed on the outer side of the rotating wheel through the clamping groove and the positioning groove, and when the middle block moves, the position of the clamping rod is adjusted through the connecting rod, so that the clamping rod is clamped or separated from the clamping groove, thereby the grinding ring is conveniently disassembled and assembled, and the grinding ring is conveniently replaced, and use is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.

[0016] In the drawings:

[0017] Figure 1 It is a grinding wheel structure schematic diagram with anti-burst function of the utility model;

[0018] Figure 2 It is an outer grinding part structure schematic diagram of the utility model;

[0019] Figure 3 It is a protection connecting assembly structure schematic diagram of the utility model;

[0020] Figure 4 It is a clamping positioning piece structure schematic diagram of the utility model;

[0021] Figure 5 It is a middle block structure schematic diagram of the utility model Figure 1 .

[0022] Figure 6 It is a middle block structure schematic diagram of the utility model Figure 2 .

[0023] In the figure: 1, rotating wheel; 2, rotating shaft; 3, outer grinding part; 301, grinding ring; 302, positioning block; 303, clamping groove; 4, protection connecting assembly; 401, positioning groove; 402, installation groove; 403, clamping positioning piece; 4031, fixed box; 4032, rod groove; 4033, movable plate; 4034, clamping rod; 4035, spring; 4036, pull rod; 4037, connecting rod; 404, middle block; 405, fan; 406, heat dissipation groove; 407, communication groove; 408, side plate; 409, screw; 410, screw sleeve. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0025] By Figures 1-5 Given, the utility model relates to a kind of grinding wheel with anti-burst function, including rotating wheel 1, rotating shaft 2 is coaxially installed on the back of rotating wheel 1, outer grinding part 3 is installed on the outside of rotating wheel 1, protection connecting assembly 4 is installed in the inside of rotating wheel 1;

[0026] The protection connecting assembly 4 comprises a mounting groove 402 provided in the inside of the rotating wheel 1, the mounting groove 402 penetrates to the side of the rotating wheel 1 far away from the rotating shaft 2, the inside of the mounting groove 402 is provided with a middle block 404, the side of the middle block 404 far away from the rotating shaft 2 is provided with a fan 405, the inside of the rotating wheel 1 is uniformly provided with a heat dissipation groove 406, one end of the heat dissipation groove 406 penetrates to the position on the circumferential inner wall of the mounting groove 402 and close to the side of the rotating shaft 2, the other end of the heat dissipation groove 406 penetrates to the side of the rotating wheel 1 far away from the rotating shaft 2, the outer wall of the rotating wheel 1 is provided with a positioning groove 401 at equal angles, the circumferential inner wall of the mounting groove 402 is provided with a clamping positioning piece 403 at equal angles, the clamping positioning piece 403 corresponds to the positioning groove 401 one by one, the clamping positioning piece 403 comprises a fixed box 4031 provided on the circumferential inner wall of the mounting groove 402 at equal angles, the side of the fixed box 4031 close to the positioning groove 401 is symmetrically provided with a rod groove 4032, the rod groove 4032 is communicated with the positioning groove 401, the inside of the fixed box 4031 is movably provided with an activity plate 4033, the side of the activity plate 4033 close to the positioning groove 401 is symmetrically provided with a clamping rod 4034, the clamping rod 4034 penetrates through the rod groove 4032 to the inside of the positioning groove 401, the side of the activity plate 4033 far away from the clamping rod 4034 is fixedly provided with a pull rod 4036, one end of the pull rod 4036 penetrates to the inside of the mounting groove 402, one end of the pull rod 4036 is hingedly provided with a connecting rod 4037, one end of the connecting rod 4037 is hingedly connected with the outer wall of the middle block 404, the side of the activity plate 4033 close to the pull rod 4036 is symmetrically provided with a spring 4035, the side of the mounting groove 402 close to the rotating shaft 2 is symmetrically provided with a communication groove 407, the two sides of the middle block 404 are symmetrically provided with a side plate 408, the side plate 408 is provided with a screw rod 409, the screw rod 409 penetrates through the communication groove 407 to the side of the rotating wheel 1 close to the rotating shaft 2, the outer thread of the screw rod 409 is provided with a screw sleeve 410, the screw sleeve 410 is located on the side of the rotating wheel 1 close to the rotating shaft 2, the inside of the mounting groove 402 is provided with the fan 405, the fan 405 rotates with the working of the rotating wheel 1, when rotating, constantly guides the air to make the air enter the mounting groove 402 and discharge from the heat dissipation groove 406, so as to exchange the heat of the rotating wheel 1, so as to have the heat dissipation effect and improve the anti-burst effect.

[0027] The outer grinding part 3 comprises a grinding ring 301 sleeved outside the rotating wheel 1, the inner side of the grinding ring 301 is equiangularly provided with a positioning block 302, the positioning block 302 is installed inside the positioning groove 401, two clamping grooves 303 are symmetrically formed on the positioning block 302, a clamping rod 4034 is clamped into the clamping groove 303, the grinding ring 301 is installed outside the rotating wheel 1 through the clamping groove 303 and the positioning groove 401, and the position of the clamping rod 4034 is adjusted by the connecting rod 4037 when the middle block 404 moves, so that the clamping rod 4034 is clamped or separated from the clamping groove 303, thereby conveniently disassembling and assembling the grinding ring 301, conveniently replacing the grinding ring 301 and facilitating use.

[0028] Working principle: when grinding work is performed, the motor connected with the rotating shaft 2 is started, so that the rotating wheel 1 rotates, thereby driving the grinding ring 301 to rotate, the workpiece is polished after the grinding ring 301 contacts the workpiece, and the fan 405 is driven to rotate in the rotating process of the rotating wheel 1, so that external air enters the installation groove 402 and is discharged through the heat dissipation groove 406, thereby cooling the rotating wheel 1 and the grinding ring 301, and improving the anti-burst effect.

[0029] Meanwhile, the rotating wheel 1 and the grinding ring 301 are separately arranged, when the grinding ring 301 needs to be replaced due to serious wear, the clamping rod 4034 is separated from the clamping groove 303 after the screw sleeve 410 is unscrewed, the middle block 404 is pulled outwards, so that the connecting rod 4037 rotates, thereby pulling the clamping rod 4034 to move towards the inside of the fixed box 4031, so that the clamping rod 4034 is separated from the clamping groove 303, thereby taking down the grinding ring 301, then a new grinding ring 301 is installed, the positioning block 302 inside the grinding ring 301 is installed along the positioning groove 401, then the middle block 404 is loosened, so that the clamping rod 4034 is returned under the elastic force of the spring 4035, so that the clamping rod 4034 is clamped with the clamping groove 303, the grinding ring 301 is fixed, then the screw sleeve 410 is installed outside the screw rod 409, and the middle block 404 is fixed.

Claims

1. A grinding wheel with anti-cracking function, comprising a rotating wheel (1), characterized in that: The back of the rotating wheel (1) is coaxially provided with a rotating shaft (2), the outer side of the rotating wheel (1) is provided with an outer grinding part (3), and the inner side of the rotating wheel (1) is provided with a protection connecting assembly (4); The protection connecting assembly (4) comprises an installation groove (402) formed in the inner side of the rotating wheel (1), the installation groove (402) penetrates to the side of the rotating wheel (1) away from the rotating shaft (2), the inner side of the installation groove (402) is provided with a middle block (404), the side of the middle block (404) away from the rotating shaft (2) is provided with a fan (405), the inner side of the rotating wheel (1) is uniformly provided with a heat dissipation groove (406), one end of the heat dissipation groove (406) penetrates to the position on the circumferential inner wall of the installation groove (402) and close to the side of the rotating shaft (2), and the other end of the heat dissipation groove (406) penetrates to the side of the rotating wheel (1) away from the rotating shaft (2).

2. The grinding wheel with anti-burst function according to claim 1, characterized in that: The outer wall of the rotating wheel (1) is provided with positioning grooves (401) at equal angles, and the circumferential inner wall of the installation groove (402) is provided with clamping positioning pieces (403) at equal angles, and the clamping positioning pieces (403) correspond to the positioning grooves (401) one by one.

3. The grinding wheel with anti-burst function according to claim 2, characterized in that: The clamping positioning piece (403) comprises a fixed box (4031) installed at equal angles on the circumferential inner wall of the installation groove (402), the side of the fixed box (4031) close to the positioning groove (401) is symmetrically provided with a rod groove (4032), the rod groove (4032) is communicated with the positioning groove (401), the inner side of the fixed box (4031) is movably provided with an activity plate (4033), the side of the activity plate (4033) close to the positioning groove (401) is symmetrically provided with a clamping rod (4034), and the clamping rod (4034) penetrates through the rod groove (4032) to the inner side of the positioning groove (401).

4. The grinding wheel with anti-burst function according to claim 3, characterized in that: The side of the activity plate (4033) away from the clamping rod (4034) is fixedly provided with a pull rod (4036), one end of the pull rod (4036) penetrates to the inner side of the installation groove (402), one end of the pull rod (4036) is hingedly provided with a connecting rod (4037), one end of the connecting rod (4037) is hingedly connected with the outer wall of the middle block (404), and the side of the activity plate (4033) close to the pull rod (4036) is symmetrically provided with a spring (4035).

5. The grinding wheel with anti-burst function according to claim 1, characterized in that: The side of the installation groove (402) close to the rotating shaft (2) is symmetrically provided with a communication groove (407), the two sides of the middle block (404) are symmetrically provided with side plates (408), the side plates (408) are provided with screw rods (409), the screw rods (409) penetrate through the communication grooves (407) to the side of the rotating wheel (1) close to the rotating shaft (2), the outer threads of the screw rods (409) are provided with screw sleeves (410), and the screw sleeves (410) are located on the side of the rotating wheel (1) close to the rotating shaft (2).

6. The grinding wheel with anti-burst function according to claim 3, characterized in that: The outer grinding part (3) comprises a grinding ring (301) sleeved on the outer side of the rotating wheel (1), the inner side of the grinding ring (301) is provided with positioning blocks (302) at equal angles, the positioning blocks (302) are installed in the positioning grooves (401), two clamping grooves (303) are symmetrically formed in the positioning blocks (302), and the clamping rods (4034) are clamped into the clamping grooves (303).

Images