Auxiliary tool for grinding drill bit of angle grinder

Abstract

The utility model belongs to the technical field of auxiliary tools, and particularly relates to an angle grinder drill bit grinding auxiliary tool which comprises a lower shell. The device comprises a lower shell, an upper shell is movably installed at the top of the lower shell, threaded holes are formed in the two sides of the lower shell and the two sides of the upper shell, grinding holes are formed in the tops of the lower shell and the upper shell, a blocking assembly is arranged on one side of the upper shell, and the blocking assembly can prevent chippings in the upper shell from leaking; through the arrangement of the mounting notches, the first baffles and the fixing blocks, the mounting notches, the first baffles and the fixing blocks are matched for use, so that leakage of chippings in the upper shell can be effectively prevented, the sealing performance of the upper shell is guaranteed, and the upper shell can play a role in temporarily storing the chippings during grinding.

Description

Technical Field

[0001] This utility model belongs to the field of auxiliary tool technology, specifically an auxiliary tool for grinding drill bits on an angle grinder. Background Technology

[0002] In machining, construction and decoration, and many hardware manufacturing fields, drill bits are a crucial drilling tool, and the sharpness and precision of their cutting edges directly affect the efficiency and quality of operations. With the rapid development of the industry, the demand for drill bits is increasing, requiring not only excellent cutting performance but also a high degree of consistency and stability.

[0003] Traditionally, drill bit sharpening has primarily relied on manual operation of angle grinders. Operators, using their experience and skills, hold the drill bit and grind it on the high-speed rotating grinding wheel. However, this manual method has many drawbacks. Firstly, because human hands cannot maintain absolute stability for extended periods, human error is easily introduced during grinding, leading to asymmetry in the drill bit's cutting edge. This results in rough hole walls, large diameter deviations, and reduced machining accuracy. Especially in high-precision machining scenarios, these defects can render the entire workpiece unusable. Secondly, manual angle grinder operation carries significant safety risks. Accidental contact between the high-speed rotating grinding wheel and the operator can easily cause abrasions, cuts, and other injuries. Furthermore, manual grinding is inefficient. For mass production of drill bits or operations requiring frequent bit changes, it consumes substantial manpower and time, severely hindering production progress.

[0004] Existing auxiliary tools lack protective features, often leaving the drill bit exposed during grinding, which can cause sparks to fly onto the operator and cause injury.

[0005] Therefore, this utility model provides an auxiliary tool for grinding drill bits on an angle grinder. Utility Model Content

[0006] In order to overcome the shortcomings of the existing technology and solve at least one of the problems mentioned in the background technology, an auxiliary tool for grinding drill bits in an angle grinder is proposed.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: An auxiliary tool for grinding drill bits for an angle grinder, comprising a lower housing; an upper housing is movably mounted on the top of the lower housing; threaded holes are provided on both sides of the lower and upper housings; grinding holes are provided on the top of both the lower and upper housings; a blocking component is provided on one side of the upper housing to prevent leakage of debris from inside the upper housing; a clamping component is provided on the inner wall of the upper housing to engage the blocking component with the inner wall of the upper housing; a pressing mechanism is provided on the inner wall of the upper housing to slide downwards under external pressure; and a reset component is provided on the inner wall of the upper housing to reset the pressing mechanism. It can be reset promptly when pressed. The inner wall of the upper housing is provided with a protective component to prevent leakage of debris inside the upper housing. The upper housing is provided with a support component to keep the protective component in a closed state. The blocking component includes a mounting slot, a first baffle, and a fixing block. The mounting slot is opened on one side of the bottom of the inner wall of the upper housing. The bottom of the first baffle is fixedly installed with the fixing block. The first baffle is movably engaged with the upper housing through the fixing block. The cooperation of the mounting slot, the first baffle, and the fixing block can effectively prevent leakage of debris inside the upper housing, ensure the sealing of the upper housing, and enable the upper housing to temporarily store debris during grinding, thereby improving the efficiency of the auxiliary mold.

[0008] Preferably, the clamping assembly includes a spring and a clamping block. The spring is fixedly installed at the bottom of the inner wall of the first baffle, and the end of the spring away from the first baffle is fixedly installed with the clamping block. The clamping block is movably inserted into the upper housing. In this solution, the cooperation between the spring and the clamping block can quickly clamp the first baffle to the upper housing, ensuring that the first baffle can be installed quickly, improving practicality, and ensuring the stability of the first baffle during use.

[0009] Preferably, the pressing mechanism includes a first fixed plate, a slide rod, and a second fixed plate. The first fixed plate is fixedly installed on the top of the upper housing, and the second fixed plate is slidably installed on the inner wall of the first fixed plate. The top of the second fixed plate is fixedly installed with the slide rod. In this scheme, the cooperation of the first fixed plate, the slide rod, and the second fixed plate allows the user to press conveniently. At the same time, the cooperation of the slide rod and the second fixed plate allows the user to push the third fixed plate downward, thereby pushing the locking block downward to achieve disassembly.

[0010] Preferably, the reset assembly includes a third fixing plate and a tension spring; the third fixing plate is fixedly installed at the bottom end of the second fixing plate, the top of the third fixing plate is fixedly installed with the tension spring, the top of the tension spring is fixedly installed with the first fixing plate, and the third fixing plate is movably installed with the locking block. In this scheme, the cooperation between the third fixing plate and the tension spring enables the second fixing plate to be reset in time by the tension of the tension spring when it is pushed down, ensuring that the user's next press can operate normally.

[0011] Preferably, the protective assembly includes a rotating frame and a second baffle. Several sets of rotating frames are fixedly installed on the top of the inner wall of the upper housing. These sets of rotating frames are arranged in a ring around the grinding hole. The second baffle is rotatably installed at the end of the rotating frame away from the upper housing. In this design, the combined use of the rotating frame and the second baffle prevents leakage of debris from inside the upper housing and ensures the sealing of the upper housing. Simultaneously, the unique design of the second baffle allows it to rotate only to one side, preventing debris from leaking out through the grinding hole. The second baffle also serves to block sparks, preventing sparks from splashing out from the various openings of the grinding hole.

[0012] Preferably, the support assembly includes a fixed bracket, a limiting plate, and a rubber band; the fixed bracket is fixedly installed at the bottom of the second baffle, and the bottom of the fixed bracket is fixedly installed with the limiting plate; the rubber band is sleeved on the surface of the fixed bracket. In this scheme, the cooperation of the fixed bracket, the limiting plate, and the rubber band enables the second baffle to be reset in time when it is pushed open, ensuring the sealing of the upper shell. When the drill bit is pulled out, the rubber band can pull the fixed bracket in time to reset the second baffle.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The auxiliary tool for grinding drill bits for an angle grinder described in this utility model, through the setting of the mounting slot, the first baffle and the fixing block, can effectively prevent the leakage of debris inside the upper housing by using the mounting slot, the first baffle and the fixing block together, ensuring the sealing of the upper housing, so that the upper housing can play a role in temporarily storing debris during grinding, thereby improving the efficiency of the auxiliary mold.

[0015] 2. The auxiliary tool for grinding drill bits for an angle grinder described in this utility model, through the setting of spring and locking block, enables the first baffle to be quickly locked to the upper housing by the cooperation of spring and locking block, ensuring that the first baffle can be installed quickly, improving practicality and ensuring the stability of the first baffle during use. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1This is a front perspective view of the present invention;

[0018] Figure 2 This is a partial structural diagram of the present invention;

[0019] Figure 3 This is a partial sectional view of the present invention;

[0020] Figure 4 This is a schematic diagram of the clamping component structure in this utility model;

[0021] Figure 5 This is a partial structural diagram of the protective component in this utility model;

[0022] Figure 6 This utility model Figure 2 Enlarged structural diagram at point A

[0023] Figure 7 yes Figure 3 Enlarged view of a section at point B in the middle;

[0024] Legend:

[0025] 1. Lower housing; 2. Upper housing; 3. Threaded hole; 4. Grinding hole; 5. Barrier assembly; 51. Mounting slot; 52. First baffle; 53. Fixing block; 6. Clamping assembly; 61. Spring; 62. Clamping block; 7. Pressing mechanism; 71. First fixing plate; 72. Slide rod; 73. Second fixing plate; 8. Reset assembly; 81. Third fixing plate; 82. Tension spring; 9. Protective assembly; 91. Rotating frame; 92. Second baffle; 10. Support assembly; 101. Fixed bracket; 102. Limiting plate; 110. Rubber band. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] Specific implementation examples are given below.

[0028] like Figures 1 to 7As shown in the embodiment of this utility model, an auxiliary tool for grinding drill bits on an angle grinder includes a lower housing 1; an upper housing 2 is movably mounted on the top of the lower housing 1; threaded holes 3 are provided on both sides of the lower housing 1 and the upper housing 2; grinding holes 4 are provided on the top of both the lower housing 1 and the upper housing 2; a blocking component 5 is provided on one side of the upper housing 2 to prevent leakage of debris inside the upper housing 2; a clamping component 6 is provided on the inner wall of the upper housing 2 to lock the blocking component 5 into the inner wall of the upper housing 2; a pressing mechanism 7 is provided on the inner wall of the upper housing 2, which can slide downwards by external pressing; and a reset component is provided on the inner wall of the upper housing 2. 8. The reset component 8 can reset the pressing mechanism 7 so that it can be reset in time when pressed. The inner wall of the upper housing 2 is provided with a protective component 9, which can prevent the leakage of debris inside the upper housing 2. The upper housing 2 is provided with a support component 10, which can keep the protective component 9 in a closed state. The blocking component 5 includes a mounting slot 51, a first baffle 52 and a fixing block 53. The mounting slot 51 is opened on one side of the bottom of the inner wall of the upper housing 2. The bottom of the first baffle 52 is fixedly installed with the fixing block 53. The first baffle 52 is movably engaged with the upper housing 2 through the fixing block 53. The clamping component 6 includes a spring 61 and a locking block 62. Spring 61 is fixedly installed at the bottom of the inner wall of the first baffle 52. The end of spring 61 away from the first baffle 52 is fixedly installed with the locking block 62. The locking block 62 is movably inserted into the upper housing 2. The pressing mechanism 7 includes a first fixed plate 71, a slide rod 72, and a second fixed plate 73. The first fixed plate 71 is fixedly installed at the top of the upper housing 2. The second fixed plate 73 is slidably installed on the inner wall of the first fixed plate 71. The top of the second fixed plate 73 is fixedly installed with the slide rod 72. The reset assembly 8 includes a third fixed plate 81 and a tension spring 82. The third fixed plate 81 is fixedly installed at the bottom of the second fixed plate 73. The top of the third fixed plate 81 is fixedly installed with the tension spring 82. The top of the tension spring 82 is fixedly installed with the slide rod 72. The first fixing plate 71 is fixedly installed, the third fixing plate 81 and the locking block 62 are movably installed, the protective component 9 includes a rotating frame 91 and a second baffle 92; the rotating frame 91 is provided in several groups, the several groups of rotating frames 91 are fixedly installed on the top of the inner wall of the upper housing 2, the several groups of rotating frames 91 are distributed in a ring around the grinding hole 4, the second baffle 92 is rotatably installed on the end of the rotating frame 91 away from the upper housing 2, the support component 10 includes a fixed bracket 101, a limiting plate 102 and a rubber band 110; the fixed bracket 101 is fixedly installed on the bottom of the second baffle 92, the bottom of the fixed bracket 101 is fixedly installed with the limiting plate 102, and the rubber band 110 is sleeved on the surface of the fixed bracket 101.

[0029] like Figures 1 to 7As shown, the combined use of the mounting slot 51, the first baffle 52, and the fixing block 53 effectively prevents leakage of debris inside the upper housing 2, ensuring the sealing of the upper housing 2. This allows the upper housing 2 to temporarily store debris during grinding, improving the efficiency of the auxiliary mold. The combination of the spring 61 and the locking block 62 quickly engages the first baffle 52 with the upper housing 2, ensuring rapid installation of the first baffle 52, improving practicality, and guaranteeing the stability of the first baffle 52 during use. The combination of the first fixing plate 71, the sliding rod 72, and the second fixing plate 73 allows for convenient pressing by the user. Simultaneously, the combination of the sliding rod 72 and the second fixing plate 73 allows the user to push the third fixing plate 81 downwards, thereby pushing the locking block 62 downwards for disassembly. The combination of the fixing bracket 101 and the tension spring 82 allows the second fixing plate 73 to be promptly reset by the tension of the tension spring 82 when pushed downwards, ensuring normal operation for the next press by the user. The combination of the rotating bracket 91 and the second baffle 92 prevents leakage of debris inside the upper housing 2 and ensures the sealing of the upper housing 2. At the same time, the unique design of the second baffle 92 allows it to rotate only to one side, preventing debris inside the upper housing 2 from leaking out through the grinding hole 4. The second baffle 92 also has the function of blocking sparks, preventing sparks from splashing out from the various openings of the grinding hole 4. The combination of the fixing bracket 101, the limiting plate 102, and the rubber band 110 allows the second baffle 92 to be promptly reset when pushed open, ensuring the sealing of the upper housing 2. When the drill bit is pulled out, the rubber band 110 can promptly pull the fixing bracket 101 to reset the second baffle 92.

[0030] Working Principle: During operation, the lower housing 1 and upper housing 2 are first fitted onto the surface of the angle grinder's protective shell. Then, the lower housing 1 and upper housing 2 are secured together with nuts through threaded holes 3. Because of the protective shell between the lower housing 1 and upper housing 2, the bottom of the upper housing 2 maintains a distance from the angle grinder blade, preventing direct contact between the upper housing 2 and the grinding disc. This small gap also prevents debris and sparks from splashing outwards. After installing the lower housing 1 and upper housing 2, the user selects the appropriate grinding hole 4 using a drill bit and inserts it into the inner wall of the upper housing 2. As the drill bit penetrates downwards, the second baffle 92 is pushed open to one side, and the fixing bracket 101 opens simultaneously. The elastic band 110 is stretched due to the expansion of the fixing bracket 101. When the drill bit passes through the upper housing 2 and contacts the grinding disc, grinding begins. Sparks generated during grinding are blocked by the upper housing 2, preventing splashing. Iron filings generated during grinding will fall into the interior of the upper housing 2. After grinding is completed, the drill bit is pulled out, and then the rubber band 110 pulls the fixing bracket 101 to reset the second baffle 92. When not in use, the user first presses the slide bar 72 to push the second fixing plate 73 to push the third fixing plate 81 downward. When the third fixing plate 81 is pushed downward, the tension spring 82 will be stretched, and the spring 61 will be compressed. When the locking block 62 is no longer engaged with the upper housing 2, the user only needs to hold the top of the first baffle 52 with his hand to pry the first baffle 52 outward, and then pour out and clean the debris on the inner wall of the upper housing 2. Then, the first baffle 52 is installed back. When installing the first baffle 52, the user first needs to align the fixing block 53 with the installation slot 51 to install the bottom side of the first baffle 52 first, and then press the top of the first baffle 52 into the inner wall of the upper housing 2. When the first baffle 52 is pressed, the locking block 62 will automatically extend and retract downward and lock with the upper housing 2.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An auxiliary tool for grinding drill bits on an angle grinder, comprising a lower housing (1); characterized in that: An upper housing (2) is movably mounted on the top of the lower housing (1). Threaded holes (3) are provided on both sides of the lower housing (1) and the upper housing (2). Grinding holes (4) are provided on the top of both the lower housing (1) and the upper housing (2). A barrier component (5) is provided on one side of the upper housing (2). The barrier component (5) can prevent the leakage of debris inside the upper housing (2). A clamping component (6) is provided on the inner wall of the upper housing (2). The clamping component (6) can make the barrier component (5) snap into the inner wall of the upper housing (2). The wall is provided with a pressing mechanism (7), which can slide downward by external pressing. The inner wall of the upper housing (2) is provided with a reset component (8), which can reset the pressing mechanism (7) so that it can be reset in time when pressed. The inner wall of the upper housing (2) is provided with a protective component (9), which can prevent the leakage of debris inside the upper housing (2). The interior of the upper housing (2) is provided with a support component (10), which can keep the protective component (9) in a closed state.

2. The auxiliary tool for grinding drill bits for an angle grinder according to claim 1, characterized in that: The barrier component (5) includes a mounting slot (51), a first baffle (52) and a fixing block (53). The mounting slot (51) is opened on one side of the bottom of the inner wall of the upper housing (2). The bottom of the first baffle (52) is fixedly installed with the fixing block (53). The first baffle (52) is movably engaged with the upper housing (2) through the fixing block (53).

3. The auxiliary tool for grinding drill bits for an angle grinder according to claim 2, characterized in that: The clamping assembly (6) includes a spring (61) and a locking block (62). The spring (61) is fixedly installed at the bottom of the inner wall of the first baffle (52). The end of the spring (61) away from the first baffle (52) is fixedly installed with the locking block (62). The locking block (62) is movably inserted into the upper housing (2).

4. The auxiliary tool for grinding drill bits on an angle grinder according to claim 3, characterized in that: The pressing mechanism (7) includes a first fixed plate (71), a slide rod (72), and a second fixed plate (73). The first fixed plate (71) is fixedly installed on the top of the upper housing (2), and the second fixed plate (73) is slidably installed on the inner wall of the first fixed plate (71). The top of the second fixed plate (73) is fixedly installed with the slide rod (72).

5. The auxiliary tool for grinding drill bits for an angle grinder according to claim 4, characterized in that: The reset assembly (8) includes a third fixing plate (81) and a tension spring (82); the third fixing plate (81) is fixedly installed at the bottom end of the second fixing plate (73), the top of the third fixing plate (81) is fixedly installed with the tension spring (82), the top of the tension spring (82) is fixedly installed with the first fixing plate (71), and the third fixing plate (81) is movably installed with the locking block (62).

6. The auxiliary tool for grinding drill bits for an angle grinder according to claim 5, characterized in that: The protective component (9) includes a rotating frame (91) and a second baffle (92); the rotating frame (91) is provided in several groups, and the several groups of rotating frames (91) are fixedly installed on the top of the inner wall of the upper shell (2). The several groups of rotating frames (91) are distributed in a ring around the grinding hole (4). The second baffle (92) is rotatably installed at the end of the rotating frame (91) away from the upper shell (2).

7. The auxiliary tool for grinding drill bits for an angle grinder according to claim 1, characterized in that: The support assembly (10) includes a fixed bracket (101), a limiting plate (102), and a rubber band (110); the fixed bracket (101) is fixedly installed at the bottom of the second baffle (92), the bottom of the fixed bracket (101) is fixedly installed with the limiting plate (102), and the rubber band (110) is sleeved on the surface of the fixed bracket (101).

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