A high-precision grinding device for drill bit edges

By introducing a waste chip collection, heat dissipation and cooling mechanism into the drill bit grinding equipment, the problems of inconvenient waste chip collection, low heat dissipation efficiency and inconvenient grinding wheel replacement in the existing equipment are solved, thereby improving grinding accuracy and safety.

CN224587642UActive Publication Date: 2026-08-04SICHUAN HAIBORUI INTELLIGENT EQUIPMENT CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN HAIBORUI INTELLIGENT EQUIPMENT CO LTD
Filing Date
2025-08-12
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing drill bit grinding equipment lacks waste chip collection function, has low heat dissipation and cooling efficiency, and is inconvenient to replace grinding wheels, which affects grinding accuracy and safety.

Method used

The design includes a waste chip collection mechanism, a heat dissipation and cooling mechanism, and a convenient replacement mechanism, which are used to centrally collect waste chips, reduce the temperature of the grinding wheel, and facilitate the replacement of the grinding wheel, respectively.

Benefits of technology

It achieves centralized collection of waste chips, efficient heat dissipation of the grinding wheel, and safe and reliable grinding wheel replacement, thereby improving grinding accuracy and equipment safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224587642U_ABST
    Figure CN224587642U_ABST
Patent Text Reader

Abstract

The utility model discloses a drill bit edge high accuracy grinding equipment belongs to drill bit grinding equipment field. A drill bit edge high accuracy grinding equipment, including equipment box, the surface of sand wheel and axle body is provided with convenient replacement mechanism, the inner wall of cover is provided with heat dissipation cooling mechanism, the surface of bottom plate is provided with collection scrap mechanism. The utility model not only makes the grinding equipment use can produce the scrap together in the grinding of drill bit body, and the user carries out the concentrated chip removal conveniently, is more convenient operation, makes the grinding equipment use can avoid sand wheel and influence the phenomenon of the grinding size accuracy and shape accuracy to the surface of drill bit body when appearing overheating when long -time use, reduces the wear and tear to sand wheel surface, increases the grinding performance and service life of sand wheel, and makes the grinding equipment can ensure the grinding quality to the surface of drill bit body, improves the safety when using the grinding equipment greatly.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of drill bit grinding equipment, and in particular to a high-precision grinding equipment for drill bit cutting edges. Background Technology

[0002] A drill bit grinding machine is an industrial drill bit regrinding machine that can grind and repair drill bits that have become worn and dull due to use, making them ready for refurbishment. Depending on the material of the drill bit, different grinding wheels are used to achieve the repair requirements. However, existing drill bit grinding machines do not have high enough precision after grinding, which has some shortcomings in use. In order to meet market needs, a high-precision drill bit edge grinding device is needed.

[0003] A search revealed a Chinese patent with authorization number 202121448613.3, which discloses a drill bit grinding machine, including a base and a motor, a grinding wheel, a drill bit angle adjustment seat, a front and rear angle grinding seat, and a drill bit cutting edge grinding seat on the base. The output shaft of the motor is connected to the grinding wheel. The drill bit angle adjustment seat has a tool setting hole, and an adjustment knob is provided above the tool setting hole. The drill bit cutting edge grinding seat has a grinding hole corresponding to the grinding wheel. The drill bit grinding machine in the aforementioned patent has the following shortcomings: Existing grinding equipment typically lacks the function of collecting waste chips during use. This means that the waste chips generated during the grinding of the drill bit cannot be collected in a concentrated manner, making it inconvenient for users to perform centralized chip removal and hindering operation. Furthermore, the heat dissipation efficiency of existing grinding equipment is not high enough, which can easily lead to overheating of the grinding wheel during prolonged use, affecting the dimensional and shape accuracy of the drill bit surface, increasing wear on the grinding wheel surface, and reducing the grinding performance of the grinding wheel. In addition, existing grinding equipment is not convenient enough when replacing the grinding wheel, which means that the grinding quality of the drill bit surface cannot be guaranteed, reducing the safety of the grinding equipment during use. Utility Model Content

[0004] The purpose of this invention is to solve the problems of existing grinding equipment, such as the lack of waste chip collection function, insufficient heat dissipation and cooling efficiency, and inconvenience in changing grinding wheels. Therefore, a high-precision grinding device for drill bit cutting edges is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A high-precision grinding device for drill bit cutting edges includes a housing, a base mounted on the bottom surface of the housing, a base plate mounted on the top surface of the base, a cover on the surface of the base plate, a cutting edge grinding hole mounted on the top surface of the cover, a back angle grinding hole mounted on one side surface of the cover, a rotating cylinder installed inside both the cutting edge grinding hole and the back angle grinding hole, a grinding wheel installed inside the cover, a chuck installed on one side of the housing, a mechanism for easy replacement of the grinding wheel and the shaft, a heat dissipation and cooling mechanism installed on the inner wall of the cover, and a waste chip collection mechanism installed on the surface of the base plate.

[0006] As a preferred technical solution of this application, a tool setting table is installed on the surface of the top position of the base, and a fixing ring is installed on the inner wall of the tool setting table. A baffle is provided on the surface of the equipment housing, and the baffle rotates and engages with the surface of the equipment housing. The baffle and the surface of the equipment housing are also interlocked. The surface of the cover rotates and engages with the surface of the base plate. Vent holes are provided on the top position of the cover, and mounting blocks are installed on the top position of the cover. Fastening bolts are threaded onto the surface of each mounting block, with one end of each fastening bolt penetrating the mounting block and being threadedly fastened to the surface of the equipment housing. The rotating cylinder is divided into... The inner walls of the grinding holes for the cutting edge and the back angle grinding holes are not rotated together. A drive motor is installed inside the equipment housing. The output end of the drive motor is connected to a shaft via a coupling. A tool holder plate is installed inside the equipment housing. A knob is provided on the surface at the top of the tool setting table. A locking cylinder is provided inside the chuck. A locking head is threadedly connected to the surface of the chuck. One end of the locking head extends into the interior of the chuck. The inner wall of the locking head contacts the surface of the locking cylinder. A drill body is provided on the surface of the locking head. One end of the drill body passes through the locking head, the locking cylinder, and the chuck in sequence and extends to the outside of the chuck.

[0007] As a preferred technical solution of this application, the convenient replacement mechanism consists of a gasket, a protrusion, an anti-loosening sleeve, a fastening stud, and a mounting head. The mounting head is mounted on the surface of one end of the shaft, and one end of the mounting head extends into the interior of the grinding wheel. Gaskets are mounted on the inner wall of the mounting head, and the surface of the gasket is in contact with the surface of the grinding wheel.

[0008] As a preferred technical solution of this application, the surface of the mounting head is provided with protrusions that contact the inner wall of the grinding wheel. An anti-loosening sleeve is provided on one side of the mounting head. A fastening stud is threaded onto the surface of the anti-loosening sleeve. One end of the fastening stud passes through the anti-loosening sleeve and is threadedly fastened to the inner wall of the mounting head. The inner wall of the fastening stud contacts the surface of the grinding wheel.

[0009] As a preferred technical solution of this application, the heat dissipation and cooling mechanism consists of a fan cover, a cooling fan, a perforated plate, a rotating motor, and a dust cover. The inner wall of the cover is equipped with a perforated plate, the surface of the perforated plate is equipped with a fan cover, the inside of the fan cover is equipped with a cooling fan, the cooling fan and the inner wall of the perforated plate rotate and cooperate with each other, one end of the cooling fan passes through the perforated plate and extends to the outside of the perforated plate, and the surface of the cover is equipped with a dust cover by screws.

[0010] As a preferred technical solution of this application, the inner wall of the dust cover is equipped with a rotating motor through a nail body, the output end of the rotating motor is equipped with a rotating shaft through a coupling, the surface of the cooling fan is fastened to the surface of the rotating shaft through the nail body and the surface of the rotating shaft, and the fan cover, the perforated plate and the dust cover are all provided with through holes of equal spacing.

[0011] As a preferred technical solution of this application, the waste collection mechanism is composed of a collection frame, a fixing plate, a positioning block, a guide slider and a guide groove. The surface of the base plate is provided with a collection frame for collecting waste. The collection frame is located inside the cover. The surface of the base plate is provided with guide grooves. The surface of the bottom of the collection frame is provided with guide sliders. The bottom end of the guide slider extends into the interior of the guide groove and slides with the inner wall of the guide slider.

[0012] As a preferred technical solution of this application, a fixing plate is installed on the surface of the top position of the base plate, and positioning blocks are installed on the surface of the collection frame. The positioning blocks and the surface of the fixing plate are engaged with each other.

[0013] Compared with the prior art, this utility model provides a high-precision grinding device for drill bit cutting edges, which has the following beneficial effects: 1. This high-precision grinding equipment for drill bit cutting edges, through the set waste chip collection mechanism, realizes the function of collecting waste chips generated during the grinding of the drill bit body, which makes it convenient for users to centrally remove chips and makes operation more convenient. It solves the problem that existing technologies usually do not have the function of collecting waste chips. 2. This high-precision grinding equipment for drill bit cutting edges, through its heat dissipation and cooling mechanism, avoids the phenomenon of overheating of the grinding wheel during long-term use, which would affect the grinding dimensional and shape accuracy of the drill bit body surface. It reduces wear on the grinding wheel surface, increases the grinding performance and service life of the grinding wheel, and solves the problem of insufficient heat dissipation and cooling efficiency in the existing technology. 3. This high-precision grinding equipment for drill bit cutting edges, through its convenient replacement mechanism, ensures the grinding quality of the drill bit body surface, greatly improves the safety of the grinding equipment during use, and solves the problem of inconvenience in replacing grinding wheels in existing technologies. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model; Figure 3 This is a top view cross-sectional structural diagram of the present invention; Figure 4 This is an enlarged side view sectional diagram of the present invention; Figure 5 For the present utility model Figure 3 An enlarged structural diagram of the mechanism for easy replacement; Figure 6 For the present utility model Figure 4 Enlarged schematic diagram of the heat dissipation and cooling mechanism; Figure 7 For the present utility model Figure 4 An enlarged schematic diagram of the waste collection mechanism.

[0015] In the picture: 1. Equipment housing; 101. Controller; 102. Cover; 103. Tool setting station; 104. Base; 105. Stop door; 106. Retaining ring; 107. Knob; 108. Locking cylinder; 109. Drive motor; 110. Mounting block; 111. Cutting edge grinding hole; 112. Grinding wheel; 113. Back angle grinding hole; 114. Base plate; 115. Tool holder plate; 116. Fastening bolts; 117. Shaft; 118. Drill bit body; 119. 1. Locking head; 2. Clamp; 3. Rotating cylinder; 4. Easy replacement mechanism; 5. Washer; 6. Protrusion; 7. Anti-loosening sleeve; 8. Fastening stud; 9. Mounting head; 10. Heat dissipation and cooling mechanism; 11. Fan cover; 22. Cooling fan; 33. Perforated plate; 44. Rotating motor; 5. Dust cover; 11. Waste collection mechanism; 22. Collection frame; 33. Fixing plate; 44. Positioning block; 55. Guide slider; 66. Guide groove. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model. Example

[0017] Reference Figure 1-4A high-precision grinding device for drill bit cutting edges includes a housing 1, a base 104 mounted on the bottom surface of the housing 1, a tool setting table 103 mounted on the top surface of the base 104, a controller 101 (e.g., LA series) mounted on the top surface of the housing 1, a stop 105 provided on the surface of the housing 1, the stop 105 rotating and engaging with the surface of the housing 1, and a base plate 114 mounted on the top surface of the base 104. A cover 102 is provided on the surface of the base plate 14. The cover 102 and the surface of the base plate 114 rotate with each other. Vent holes are opened on the top surface of the cover 102. Mounting blocks 110 are installed on the top surface of the cover 102. Fastening bolts 116 are threadedly connected to the surface of the mounting blocks 110. One end of the fastening bolt 116 passes through the mounting block 110 and is threadedly fastened to the surface of the equipment housing 1. A cutting edge grinding hole 111 is installed on the top surface of the cover 102. A back angle grinding hole 113 is installed on one side surface of the cover 102. The cutting edge grinding hole 111 and the back angle... Each grinding hole 113 has a rotating cylinder 121 inside, which rotates and engages with the inner walls of the cutting edge grinding hole 111 and the back angle grinding hole 113 respectively. A grinding wheel 112 is installed inside the cover 102. A drive motor 109 is installed inside the equipment housing 1. The drive motor 109 can be a JO series model. The input end of the drive motor 109 is electrically connected to the output end of the controller 101. The output end of the drive motor 109 is connected to a shaft 117 via a coupling. A tool holder plate 115 is installed inside the equipment housing 1. The surface at the top of the tool setting station 103... A knob 107 is provided on the surface, and a retaining ring 106 is installed on the inner wall of the tool setting station 103. A chuck 120 is provided on one side of the equipment housing 1. A locking cylinder 108 is provided inside the chuck 120. A locking head 119 is threadedly connected to the surface of the chuck 120. One end of the locking head 119 extends into the interior of the chuck 120. The inner wall of the locking head 119 is in contact with the surface of the locking cylinder 108. A drill bit body 118 is provided on the surface of the locking head 119. One end of the drill bit body 118 passes through the locking head 119, the locking cylinder 108 and the chuck 120 in sequence and extends to the outside of the chuck 120.

[0018] Reference Figure 3 and Figure 5Furthermore, the surface of the grinding wheel 112 and the shaft 117 is provided with a convenient replacement mechanism 2. The convenient replacement mechanism 2 is composed of a gasket 21, a protrusion 22, an anti-loosening sleeve 23, a fastening stud 24, and a mounting head 25. The mounting head 25 is installed on the surface of one end of the shaft 117. One end of the mounting head 25 extends into the interior of the grinding wheel 112. Gaskets 21 are installed on the inner wall of the mounting head 25. The surface of the gaskets 21 is in contact with the surface of the grinding wheel 112. Protrusions 22 are installed on the surface of the mounting head 25. The protrusions 22 are in contact with the inner wall of the grinding wheel 112. An anti-loosening sleeve 23 is installed on one side of the mounting head 25. The surface of the anti-loosening sleeve 23 is threadedly connected to the fastening stud 24. One end of the fastening stud 24 passes through the anti-loosening sleeve 23 and is threadedly fastened to the inner wall of the mounting head 25. The inner wall of the fastening stud 24 is in contact with the surface of the grinding wheel 112. By setting up a convenient replacement mechanism, the grinding quality of the drill bit body 118 surface can be ensured, greatly improving the safety of the grinding equipment during use.

[0019] Reference Figure 4 and Figure 6 Furthermore, the housing 102 also includes a heat dissipation and cooling mechanism 3 installed on its inner wall. The heat dissipation and cooling mechanism 3 consists of a fan shroud 31, a cooling fan 32, a perforated plate 33, a rotating motor 34, and a dust cover 35. The inner wall of the housing 102 is fitted with a perforated plate 33, and the fan shroud 31 is mounted on its surface. The cooling fan 32 is installed inside the fan shroud 31. The cooling fan 32 rotates and engages with the inner wall of the perforated plate 33. One end of the cooling fan 32 penetrates the perforated plate 33 and extends to the inner wall of the perforated plate 33. On the outer side, a dust cover 35 is screwed onto the surface of the housing 102. A rotary motor 34 is mounted on the inner wall of the dust cover 35 via nails. The rotary motor 34 can be a JO series model. The input end of the rotary motor 34 is electrically connected to the output end of the controller 101. A rotating shaft is mounted on the output end of the rotary motor 34 via a coupling. The surface of the cooling fan 32 is fastened to the surface of the rotating shaft via nails and threads. The surfaces of the fan cover 31, the perforated plate 33, and the dust cover 35 are all provided with equally spaced through holes. By setting up a heat dissipation and cooling mechanism, the phenomenon of the grinding wheel 112 overheating during long-term use, which would affect the grinding dimensional and shape accuracy of the drill bit body 118 surface, can be avoided. This reduces wear on the surface of the grinding wheel 112 and increases the grinding performance and service life of the grinding wheel 112.

[0020] Reference Figure 4 and Figure 7Furthermore, the base plate 114 includes a waste chip collection mechanism 4. This mechanism consists of a collection frame 41, a fixing plate 42, a positioning block 43, a guide slider 44, and a guide groove 45. The collection frame 41, located inside the cover 102, is located on the surface of the base plate 114. Guide grooves 45 are provided on the surface of the base plate 114. Guide sliders 44 are installed at the bottom of the collection frame 41, with their bottom ends extending into the guide grooves 45 and sliding against each other. A fixing plate 42 is installed at the top of the base plate 114, and positioning blocks 43 are installed on the surface of the collection frame 41, engaging with the surfaces of the fixing plate 42. By providing this waste chip collection mechanism, the waste chips generated during grinding of the drill bit body 118 can be collected together, facilitating centralized chip removal and improving operational convenience.

[0021] Specifically, when using this high-precision drill bit edge grinding equipment: First, place the equipment housing 1 in the designated position. The user selects the appropriate locking cylinder 108 according to the diameter of the drill bit body 118 to be ground. Specifically, the user pulls the stop 105 on the surface of the equipment housing 1, causing the stop 105 to rotate on the surface of the equipment housing 1 and move away from the surface of the equipment housing 1. The user then takes the appropriate locking cylinder 108 from the surface of the tool holder plate 115 and places the locking cylinder 108 inside the chuck 120. Subsequently, the user places the locking head 119 on the surface of the chuck 120 and places the drill bit body 118 on the surface of the locking head 119, so that the head of the drill bit body 118 is inserted into the inside of the locking cylinder 108, and the drill bit body 118 extends a certain distance. To ensure all worn parts are fully extended, the user should not tighten the locking head 119 immediately. Instead, insert the locking head 119, chuck 120, and drill bit body 118 into the retaining ring 106. The user should then adjust the knob 107 to the desired position according to the dimensions of the drill bit body 118. Next, the user should tighten the locking head 119 clockwise on the surface of the chuck 120. The threaded engagement between the locking head 119 and the chuck 120 will cause the locking head 119 to move inwards. At this point, the locking head 119 will compress the locking cylinder 108 inside the chuck 120, causing the locking cylinder 108 to contract and clamp the drill bit body 118 within the locking head 119, chuck 120, and locking cylinder 108. 8. Tool setting is performed. Subsequently, the user operates the controller 101, causing the controller 101 to control the drive motor 109 to work. Under the action of the drive motor 109, the shaft 117 rotates, thereby causing the grinding wheel 112 to rotate inside the housing 102. The user inserts the locking head 119, chuck 120, and drill body 118 after tool setting into the back angle grinding hole 113, so that the chuck 120 is locked onto the inner wall of the rotating cylinder 121 inside the back angle grinding hole 113. The drill body 118 moves until it contacts the side surface of the grinding wheel 112. The user gently pushes and rotates the locking head 119 and chuck 120 left and right, so that the chuck 120 drives the rotating cylinder 121 to rotate inside the back angle grinding hole 113, thus grinding the cutting edge on the surface of the drill body 118. Grind until there is no grinding sound, then remove the drill bit. Next, rotate the locking head 119 and chuck 120 180 degrees to grind the other cutting edge of the drill bit body 118. After grinding the cutting edge on the surface of the drill bit body 118, insert the locking head 119, chuck 120, and drill bit body 118 into the edge grinding hole 111, so that the chuck 120 is engaged with the inner wall of the rotating cylinder 121 inside the edge grinding hole 111. At this time, the drill bit body 118 moves to contact the top surface of the grinding wheel 112. The user gently pushes and rotates the locking head 119 and chuck 120 left and right to grind the tip cutting edge of the drill bit body 118. When there is no grinding sound, remove the drill bit and rotate the locking head 119 and chuck 120 180 degrees.The other side of the grinding drill bit body 118 has a apex angle cutting edge.

[0022] Subsequently, when the grinding wheel 112 grinds the surface of the drill bit body 118, some waste chips are generated. These chips fall into the collection frame 41, where they are collected. The user then loosens the fastening bolts 116 on the mounting block 110 and rotates the cover 102 away from the equipment housing 1, causing it to rotate on the surface of the base plate 114. After opening the cover 102, the user pulls the collection frame 41 on the surface of the base plate 114, causing the collection frame 41 to move the guide slider 44 along the guide. Slide into the inside of the slide groove 45. Under the combined action of the guide slider 44 and the guide slide groove 45, the collection frame 41 is guided. At this time, the collection frame 41 drives the positioning block 43 away from the surface of the fixed plate 42, thereby removing the collection frame 41 from the surface of the base plate 114. The waste chips inside the collection frame 41 are cleaned in a concentrated manner to realize the function of collecting waste chips in the grinding equipment. This allows the grinding equipment to collect the waste chips generated when the drill bit body 118 is grinding, making it convenient for users to perform centralized chip removal and making operation more convenient.

[0023] Subsequently, as the grinding wheel 112 grinds the surface of the drill bit body 118 for an extended period, the surface temperature of the grinding wheel 112 continuously rises, causing the temperature inside the casing 102 to also increase. At this point, the user operates the controller 101, causing the controller 101 to control the rotating motor 34 on the inner wall of the dust cover 35 to operate. Under the action of the rotating motor 34, the cooling fan 32 rotates inside the fan cover 31, drawing external air into the casing 102 through the through holes on the surface of the dust cover 35, the perforated plate 33, and the fan cover 31. This allows the heat from the surface of the grinding wheel 112 and the inside of the casing 102 to dissipate through the exhaust holes on the surface of the casing 102, preventing overheating of the surface of the grinding wheel 112. Under the action of the dust cover 35, dust can be blocked, preventing dust from entering the inside of the cover 102 and adhering to the surface of the grinding wheel 112. If the user needs to clean the surface of the dust cover 35, the user can loosen the screws on the surface of the dust cover 35 and the nails on the surface of the cooling fan 32 to remove the dust cover 35 and the rotating motor 34 from the surface of the cover 102 and clean the surface of the dust cover 35. This achieves the function of heat dissipation and cooling of the grinding equipment, thereby preventing the grinding wheel 112 from overheating during long-term use and affecting the grinding dimensional and shape accuracy of the drill bit body 118 surface. It also reduces the wear on the surface of the grinding wheel 112 and increases the grinding performance and service life of the grinding wheel 112.

[0024] Subsequently, when the grinding wheel 112 is used for a long time, its surface will wear, affecting the grinding accuracy of the drill bit body 118 surface. At this time, the user opens the cover 102 and then loosens the fastening stud 24 on the surface of the anti-loosening sleeve 23. With the thread engagement between the fastening stud 24 and the inner wall of the mounting head 25, the fastening stud 24 is removed from the surface of the grinding wheel 112 and the anti-loosening sleeve 23. Then, the user pulls the grinding wheel 112 away from the surface of the shaft 117 and the mounting head 25. The user then puts the replaced grinding wheel 112 onto the surface of the mounting head 25. The protrusion 22 on the surface of the mounting head 25... The grinding wheel 112 is moved until it contacts the inner wall of the grinding wheel 112. The user pushes the grinding wheel 112 until it contacts the surface of the gasket 21. Then, the user tightens the fastening stud 24. Under the action of the fastening stud 24, the grinding wheel 112 is installed on the surface of the mounting head 25. Under the action of the anti-loosening sleeving sleeve 23, the fastening stud 24 is prevented from loosening, making the grinding wheel 112 more stable during installation and use. This enables the grinding equipment to easily replace the grinding wheel 112, thereby ensuring the grinding quality of the drill bit body 118 surface and greatly improving the safety of the grinding equipment during use. The controller 101 controls the drive motor 109 and the rotary motor 34. The specific connection and control method is existing technology and will not be described in detail here. The rotating shaft and shaft body 117 are respectively mounted on the rotary motor 34 and the drive motor 109 via couplings. The mounting method is also existing technology. The rotating shaft and shaft body 117 are key components in mechanical transmission used to connect different parts and transmit power. Their main functions are to transmit torque and withstand bending moment. They efficiently transmit power by connecting power sources such as engines and motors with mechanical equipment that requires power. This is also existing technology. The rotating shaft and shaft body 117 each contain bearings. The bearings are installed at both ends of the rotating shaft to reduce friction, ensure flexible rotation, and ultimately complete the operation of the grinding equipment.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A high-precision grinding device for drill bit cutting edges, comprising a device housing (1), characterized in that: A base (104) is installed on the bottom surface of the equipment housing (1), a base plate (114) is installed on the top surface of the base (104), a cover (102) is provided on the surface of the base plate (114), a blade grinding hole (111) is installed on the top surface of the cover (102), a back angle grinding hole (113) is installed on one side surface of the cover (102), a rotating cylinder (121) is provided inside both the blade grinding hole (111) and the back angle grinding hole (113), a grinding wheel (112) is provided inside the cover (102), a chuck (120) is provided on one side of the equipment housing (1), a convenient replacement mechanism (2) is provided on the surface of the grinding wheel (112) and the shaft (117), a heat dissipation and cooling mechanism (3) is provided on the inner wall of the cover (102), and a waste chip collection mechanism (4) is provided on the surface of the base plate (114).

2. The high-precision grinding equipment for drill bit cutting edges according to claim 1, characterized in that: A tool setting station (103) is installed on the surface of the top position of the base (104). A fixing ring (106) is installed on the inner wall of the tool setting station (103). A baffle (105) is provided on the surface of the equipment housing (1). The baffle (105) rotates with the surface of the equipment housing (1) and is snapped into place with the surface of the equipment housing (1). The cover (102) rotates with the surface of the base plate (114). Vent holes are provided on the surface of the top position of the cover (102). Mounting blocks (110) are installed on the surface of the top position of the cover (102). Fastening bolts (116) are threadedly connected to the surface of the mounting blocks (110). One end of the fastening bolt (116) passes through the mounting block (110) and is threadedly fastened to the surface of the equipment housing (1). The rotating cylinder (121) is connected to the cutting edge grinding hole (111) and the back angle grinding hole (111) respectively. The inner walls of the equipment housing (1) rotate and cooperate with each other. A drive motor (109) is installed inside the equipment housing (1). The output end of the drive motor (109) is connected to a shaft (117) via a coupling. A tool holder plate (115) is installed inside the equipment housing (1). A knob (107) is provided on the surface at the top of the tool setting table (103). A locking cylinder (108) is provided inside the chuck (120). The surface is threaded with a locking head (119), one end of which extends into the interior of the chuck (120). The inner wall of the locking head (119) is in contact with the surface of the locking cylinder (108). The surface of the locking head (119) is provided with a drill bit body (118), one end of which passes through the locking head (119), the locking cylinder (108), and the chuck (120) in sequence and extends to the outside of the chuck (120).

3. The high-precision grinding equipment for drill bit cutting edges according to claim 1, characterized in that: The easy replacement mechanism (2) consists of a gasket (21), a protrusion (22), an anti-loosening sleeve (23), a fastening stud (24), and a mounting head (25). The mounting head (25) is mounted on the surface of one end of the shaft (117). One end of the mounting head (25) extends into the interior of the grinding wheel (112). Gaskets (21) are mounted on the inner wall of the mounting head (25). The surface of the gasket (21) is in contact with the surface of the grinding wheel (112).

4. The high-precision grinding equipment for drill bit cutting edges according to claim 3, characterized in that: The surface of the mounting head (25) is provided with protrusions (22), which are in contact with the inner wall of the grinding wheel (112). A detachable sleeve (23) is provided on one side of the mounting head (25). A fastening stud (24) is threadedly connected to the surface of the detachable sleeve (23). One end of the fastening stud (24) passes through the detachable sleeve (23) and is threadedly fastened to the inner wall of the mounting head (25). The inner wall of the fastening stud (24) is in contact with the surface of the grinding wheel (112).

5. The high-precision grinding equipment for drill bit cutting edges according to claim 1, characterized in that: The heat dissipation and cooling mechanism (3) consists of a fan cover (31), a cooling fan (32), a perforated plate (33), a rotating motor (34), and a dust cover (35). The inner wall of the cover (102) is equipped with a perforated plate (33), and the surface of the perforated plate (33) is equipped with a fan cover (31). The fan cover (31) is equipped with a cooling fan (32) inside. The cooling fan (32) and the inner wall of the perforated plate (33) rotate and cooperate with each other. One end of the cooling fan (32) passes through the perforated plate (33) and extends to the outside of the perforated plate (33). The surface of the cover (102) is equipped with a dust cover (35) by screws.

6. The high-precision grinding equipment for drill bit cutting edges according to claim 5, characterized in that: The inner wall of the dust cover (35) is fitted with a rotating motor (34) via a nail body. The output end of the rotating motor (34) is fitted with a rotating shaft via a coupling. The surface of the cooling fan (32) is fastened to the surface of the rotating shaft via a nail body thread. The surfaces of the fan cover (31), the perforated plate (33) and the dust cover (35) are all provided with equally spaced through holes.

7. The high-precision grinding equipment for drill bit cutting edges according to claim 1, characterized in that: The waste collection mechanism (4) consists of a collection frame (41), a fixing plate (42), a positioning block (43), a guide slider (44), and a guide groove (45). The surface of the base plate (114) is provided with a collection frame (41) for collecting waste. The collection frame (41) is located inside the cover (102). The surface of the base plate (114) is provided with guide grooves (45). The surface of the bottom of the collection frame (41) is provided with guide sliders (44). The bottom end of the guide slider (44) extends into the interior of the guide groove (45) and slides against the inner wall of the guide slider (44).

8. The high-precision grinding equipment for drill bit cutting edges according to claim 7, characterized in that: A fixing plate (42) is installed on the surface of the top position of the base plate (114), and a positioning block (43) is installed on the surface of the collection frame (41). The positioning block (43) and the surface of the fixing plate (42) are engaged with each other.