Drill bit relief angle grinding adjusting structure of drill bit grinding machine

By designing the connection structure between the grinding adjustment block and the support block in the drill bit grinder, the depth and width of the drill bit back angle is adjusted, which solves the complex adjustment problem of existing drill bit grinders and improves the simplicity and efficiency of operation.

CN222570107UActive Publication Date: 2025-03-07ZHEJIANG TAIXING INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202420555677.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-21
Publication Date
2025-03-07
Estimated Expiration
2034-03-21

AI Technical Summary

Technical Problem

The existing drill bit grinder needs to set up two grinding stations when grinding the back angle of the drill bit, which is more troublesome to adjust, and it is more complicated to adjust the drill bit size at the same time.

Method used

A drill bit rear angle grinding adjustment structure for drill bit grinding machine is designed, and the grinding adjustment block is connected to the support block through front and rear adjustment blocks, and the distance between the grinding adjustment block and the support block is adjusted by bolts to achieve the adjustment of the depth and width of the rear angle.

Benefits of technology

By adjusting the grinding adjustment block, the depth and width of the rear corner of the drill bit can be adjusted easily and quickly, making it simple and convenient compared to traditional drill bit grinders.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222570107U_ABST
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Abstract

The utility model relates to a drill bit relief angle grinding adjusting structure of a drill bit grinding machine, which belongs to the technical field of drill bit grinding machines and comprises a grinding machine frame, a grinding wheel and a grinding adjusting block are arranged on one side of the grinding machine frame, and the grinding adjusting block is located on the upper side portion of the grinding wheel. A grinding wheel is arranged on the grinding machine rack, a supporting block used for containing a grinding adjusting block is arranged on the grinding machine rack, the supporting block is located between the grinding wheel and the grinding machine rack, the grinding adjusting block is connected with the supporting block through a front-back adjusting block, and the grinding adjusting block is rotationally arranged on one side of the front-back adjusting block. The distance between the end, away from the front-back adjusting block, of the grinding adjusting block and the supporting block is adjusted through a bolt, a rear angle grinding circular groove is formed in the middle of the grinding adjusting block, and at least one rear angle width adjusting hole is formed in the grinding adjusting block. The drill bit relief angle grinding adjusting structure of the drill bit grinding machine can reduce grinding steps.
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Description

Technical Field

[0001] The utility model belongs to the technical field of drill grinders, in particular to a drill back angle grinding adjustment structure of a drill grinder. Background Art

[0002] A drill grinder is a machine that regrinds used drills with worn cutting edges so that the drills can be repeatedly ground and used to extend the service life of the drills. Currently, in the field of drill grinders, the service life of drills can be extended through the grinding technology of grinders. Most drill grinders on the market need to set up two grinding stations when grinding the back angle of the drill, one for the depth of the back angle and the other for the width of the back angle, and it is more troublesome to adjust the drills of different sizes. Utility Model Content

[0003] The utility model aims to provide a drill back angle grinding adjustment structure of a drill grinder which has reasonable structure, simple operation and can reduce grinding steps.

[0004] The purpose of the utility model is achieved in this way:

[0005] A drill bit back angle grinding adjustment structure of a drill grinder comprises a grinder frame, a grinding wheel and a grinding adjustment block are arranged on one side of the grinder frame, the grinding adjustment block is located on the upper side of the grinding wheel, and a supporting block for placing the grinding adjustment block is arranged on the grinder frame, the supporting block is located between the grinding wheel and the grinder frame, the grinding adjustment block is connected to the supporting block through a front and rear adjustment block, and the grinding adjustment block is rotatably arranged on one side of the front and rear adjustment block, the distance between the end of the grinding adjustment block away from the front and rear adjustment block and the support block is adjusted by a bolt, a back angle grinding circular groove is arranged in the middle position of the grinding adjustment block, and at least one back angle width adjustment hole is arranged on the grinding adjustment block.

[0006] In the drill back angle grinding adjustment structure of the drill grinder described above, the grinding adjustment block is provided with an adjustment threaded hole used in conjunction with a bolt.

[0007] In the drill back angle grinding adjustment structure of the drill grinder described above, the back angle width adjustment hole is located on the circumferential side of the back angle grinding circular groove.

[0008] In the drill back angle grinding adjustment structure of the drill grinder, the number of the back angle width adjustment holes is six.

[0009] In the drill back angle grinding adjustment structure of the drill grinder, the front and rear adjustment blocks are long strip structures, and strip grooves are respectively provided at both ends thereof, and the support block is provided with fixing holes used in conjunction with the strip grooves.

[0010] In the drill back angle grinding adjustment structure of the above-mentioned drill grinder, a rotating hole is provided on the grinding adjustment block, and a connecting hole used in conjunction with the rotating hole is provided on the front and rear adjustment blocks. The bolt passes through the rotating hole and is connected to the connecting hole, and the front and rear adjustment blocks rotate around the bolt.

[0011] In the drill back angle grinding adjustment structure of the drill grinder described above, the connecting hole is located at the middle end of the front and rear adjustment blocks.

[0012] In the drill back angle grinding adjustment structure of the drill grinder mentioned above, an avoidance groove is provided on the grinding adjustment block.

[0013] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0014] The utility model can adjust the depth and width of the back angle of the drill bit through the grinding adjustment block. The back angle can be ground by simply plugging and unplugging and rotating twice. The adjustment is also simpler and more convenient than that of a traditional drill grinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model.

[0016] Figure 2 It is a top view of the utility model.

[0017] Figure 3 It is a left view of the utility model.

[0018] Figure 4 It is an exploded view of the utility model.

[0019] 1-grinding machine frame; 2-grinding wheel; 3-grinding adjustment block; 4-support block; 5-front and rear adjustment block; 31-rear angle grinding circular groove; 32-adjusting threaded hole; 33-rear angle width adjustment hole; 34-rotation hole; 35-avoidance groove; 51-strip groove; 52-fixing hole; 53-connecting hole. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to specific embodiments of the invention:

[0021] like Figure 1-Figure 4As shown: A drill back angle grinding adjustment structure of a drill grinder comprises a grinder frame 1, a grinding wheel 2 and a grinding adjustment block 3 are arranged on one side of the grinder frame 1, the grinding adjustment block 3 is located on the upper side of the grinding wheel 2, and a support block 4 for placing the grinding adjustment block 3 is arranged on the grinder frame 1, the support block 4 is located between the grinding wheel 2 and the grinder frame 1, the grinding adjustment block 3 is connected to the support block 4 through a front and rear adjustment block 5, and the grinding adjustment block 3 is rotatably arranged on one side of the front and rear adjustment block 5, and the distance between the end of the grinding adjustment block 3 away from the front and rear adjustment block 5 and the support block 4 is The distance is adjusted by bolts, and a back angle grinding circular groove 31 is provided in the middle position of the grinding adjustment block 3. At least one back angle width adjustment hole 33 is provided on the grinding adjustment block 3. Specifically, the depth of the back angle can be controlled by adjusting the distance between one end of the grinding adjustment block and the support block by bolts. When one end of the grinding adjustment block is away from the support block, the depth of the back angle is shallow; when one end of the grinding adjustment block is close to the support block, the depth of the back angle is deep, and the designed back angle width adjustment hole is used to adjust the width of the back angle, and the grinding adjustment block is specifically located at the upper left of the grinding wheel, and the center of the back angle grinding circular groove does not coincide with the inner side of the grinding wheel.

[0022] In the drill back angle grinding adjustment structure of the above-mentioned drill grinder, the grinding adjustment block 3 is provided with an adjustment threaded hole 32 used in conjunction with a bolt. Specifically, in this way, the distance between one end of the grinding adjustment block and the support block can be fine-tuned to meet the operator's usage requirements.

[0023] In the drill back angle grinding adjustment structure of the above-mentioned drill grinder, the back angle width adjustment hole 33 is located on the circumferential side of the back angle grinding circular groove 31, and the number of the back angle width adjustment holes 33 is six. Specifically, according to different usage requirements, the limit rod can be inserted into the back angle width adjustment holes at different positions to control the width of the back angle.

[0024] In the drill back angle grinding adjustment structure of the above-mentioned drill grinder, the front and rear adjustment blocks 5 are long strip structures, and strip grooves 51 are respectively provided at both ends thereof, and the support block 4 is provided with fixing holes 52 used in conjunction with the strip grooves 51. Specifically, this is to facilitate installation and facilitate the operator to perform machine adjustment tests.

[0025] In the drill back angle grinding adjustment structure of the above-mentioned drill grinder, a rotating hole 34 is provided on the grinding adjustment block 3, and a connecting hole 53 used in conjunction with the rotating hole 34 is provided on the front and rear adjustment block 5. The bolt passes through the rotating hole 34 and is connected to the connecting hole 53. The front and rear adjustment block 5 rotates around the bolt, and the connecting hole 53 is located at the middle end of the front and rear adjustment block 5. Specifically, this is to facilitate the rotation of the grinding adjustment block on one side of the front and rear adjustment block.

[0026] In the drill back angle grinding adjustment structure of the drill grinder, the grinding adjustment block 3 is provided with an avoidance groove 35, specifically, to facilitate the rotation of the grinding adjustment block without being interfered by the front and rear adjustment blocks.

[0027] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A drill back angle grinding adjustment structure for a drill grinder, comprising a grinder frame (1), characterized in that: A grinding wheel (2) and a grinding adjustment block (3) are arranged on one side of the grinding machine frame (1), the grinding adjustment block (3) is located on the upper side of the grinding wheel (2), and a support block (4) for placing the grinding adjustment block (3) is arranged on the grinding machine frame (1), the support block (4) is located between the grinding wheel (2) and the grinding machine frame (1), the grinding adjustment block (3) is connected to the support block (4) through a front and rear adjustment block (5), and the grinding adjustment block (3) is rotatably arranged on one side of the front and rear adjustment block (5), the distance between the end of the grinding adjustment block (3) away from the front and rear adjustment block (5) and the support block (4) is adjusted by a bolt, a back angle grinding circular groove (31) is arranged in the middle position of the grinding adjustment block (3), and at least one back angle width adjustment hole (33) is arranged on the grinding adjustment block (3).

2. The drill back angle grinding adjustment structure of the drill grinder according to claim 1, characterized in that: The grinding adjustment block (3) is provided with an adjustment threaded hole (32) used in conjunction with a bolt.

3. The drill back angle grinding adjustment structure of the drill grinder according to claim 1, characterized in that: The rear angle width adjustment hole (33) is located on the circumferential side of the rear angle grinding circular groove (31).

4. The drill back angle grinding adjustment structure of the drill grinder according to claim 3, characterized in that: The number of the rear angle width adjustment holes (33) is six.

5. The drill back angle grinding adjustment structure of a drill grinder according to claim 1, 2, 3 or 4, characterized in that: The front and rear adjustment block (5) is a long strip structure, and its two ends are respectively provided with strip grooves (51), and the support block (4) is provided with fixing holes (52) used in conjunction with the strip grooves (51).

6. The drill back angle grinding adjustment structure of a drill grinder according to claim 5, characterized in that: The grinding adjustment block (3) is provided with a rotation hole (34), the front-rear adjustment block (5) is provided with a connection hole (53) used in conjunction with the rotation hole (34), the bolt passes through the rotation hole (34) and is connected to the connection hole (53), and the front-rear adjustment block (5) rotates around the bolt.

7. The drill back angle grinding adjustment structure of a drill grinder according to claim 6, characterized in that: The connection hole (53) is located at the middle end of the front and rear adjustment block (5).

8. The drill back angle grinding adjustment structure of a drill grinder according to claim 6 or 7, characterized in that: The grinding adjustment block (3) is provided with an avoidance groove (35).