CN221290523U

CN221290523U - Grinding device for twist drill

Info

Publication number: CN221290523U
Application number: CN202322875422.0U
Authority: CN
Inventors: 彭庆华
Original assignee: Jiangsu Borui Tools Co ltd
Current assignee: Jiangsu Borui Tools Co ltd
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-07-09
Anticipated expiration: 2033-10-26

Abstract

The utility model discloses a grinding device for a twist drill, which comprises a bottom plate, wherein two symmetrically-distributed U-shaped frames are arranged on the upper surface of the bottom plate, two first sliding rods which are distributed in parallel are arranged between the two U-shaped frames, a first sleeve is arranged on one U-shaped frame through a supporting rod, a rotating shaft is rotationally connected to the first sleeve, one end of the rotating shaft is provided with a grinding head, the other end of the rotating shaft is connected with a motor, and two movable frames are connected to the two first sliding rods in a sliding manner. This grinder for fluted drill, the structure is nimble, is convenient for carry out nimble regulation to fluted drill's position and angle, has improved convenience and the practicality of processing greatly, is favorable to grinding out more qualified product, and is favorable to improving grinding efficiency.

Description

Grinding device for twist drill

Technical Field

The utility model belongs to the technical field of twist drill processing, and particularly relates to a grinding device for a twist drill.

Background

Twist drills are currently one of the most commonly used drilling tools in the machining industry, and when the twist drills wear out, the twist drills need to be ground and repaired. But current grinder simple structure can't carry out the accurate regulation to the angle of fluted twist drill now, and the angle at fluted twist drill apex angle directly decides fluted twist drill's drilling quality and life, and the apex angle and the drill tip concentricity that do not meet the requirements can lead to the unilateral drilling of fluted twist drill, lead to the product to bore the pinhole too big, and the fluted twist drill is worn and torn easily and is led to the processing product to scrap in the inside of processing the product. Therefore, we propose a grinding device for twist drills.

Disclosure of utility model

The utility model aims to provide a grinding device for a twist drill, which aims to solve the technical problems in the background technology.

In order to achieve the above purpose, the specific technical scheme of the utility model is as follows: the utility model provides a grinder for fluted drill, includes the bottom plate, the upper surface of bottom plate is provided with two symmetric distribution's U type frame, two be provided with two parallel distribution's first slide bar between the U type frame, one of them install first sleeve pipe through the bracing piece on the U type frame, first sleeve pipe internal rotation is connected with the pivot, the one end of pivot is provided with the grinding head, and the other end is connected with the motor, two sliding connection has the movable frame on the first slide bar, just be provided with the first fixed subassembly fixed with first slide bar on the movable frame, the upper surface middle part of movable frame is provided with U type seat, the top of U type seat is connected with the connecting seat through the connecting axle rotation, just the lateral wall of U type seat is provided with the angle regulation structure that is used for adjusting the connecting seat angle, the lateral wall of connecting seat is provided with the second slide bar, sliding connection has the movable block on the second, be provided with on the movable block with the second fixed subassembly on the movable block the second slide bar, be provided with the first fixed subassembly of second slide bar on the movable block, the second surface is provided with the second rotary shaft and is located the second sleeve pipe fixed with the rotation axis, the second rotary shaft is located one side of the drill bit.

Preferably, the motor is fixedly connected with the side wall of the U-shaped frame through the L-shaped frame.

Preferably, the movable frame is of a U-shaped structure, and a sliding hole in sliding connection with the first sliding rod is formed in the joint of the movable frame and the first sliding rod.

Preferably, the side wall of the grinding head is provided with a conical groove.

Preferably, the first fixing component comprises a nut fixedly connected with the side wall of the movable frame, a second stud is connected with the nut in an internal thread manner, a second spanner is arranged at one end of the second stud, and the structure of the second fixing component and the structure of the third fixing component are identical to those of the first fixing component.

Preferably, the angle adjusting structure comprises a first stud fixedly connected with the side wall of the connecting seat, an adjusting opening is formed in the surface of the angle measuring disc, the end portion of the first stud extends to the outer side of the adjusting opening and is provided with a Z-shaped pointer, the pointer is in contact with the side wall of the angle measuring disc, a first spanner is connected to the first stud in a threaded mode, and a threaded hole in threaded connection with the first stud is formed in the surface of the first spanner.

Preferably, the circle center of the angle measuring disc and the circle center of the adjusting opening are the same with the connecting shaft.

The grinding device for the twist drill has the following advantages:

1. This grinder for fluted drill, the structure is nimble, is convenient for carry out nimble regulation to fluted drill's position and angle, has improved convenience and the practicality of processing greatly, is favorable to grinding out more qualified product, and is favorable to improving grinding efficiency.

2. This grinder for fluted twist drill is through the setting of graduated flask to cooperation between first double-screw bolt, pointer and first spanner is convenient for carry out accurate regulation to the inclination of fluted twist drill, is favorable to processing out qualified product, and the practicality is strong.

3. Through the cooperation between second double-screw bolt and the second spanner, be convenient for rotate the second double-screw bolt through the second spanner, and through the cooperation between second double-screw bolt and the nut, the tip and the lateral wall in close contact of first slide bar of second double-screw bolt of being convenient for realize locking fixedly to the fly frame, through this kind of structure, the operation of being convenient for, the practicality is strong, through the setting of second fixed subassembly, be convenient for remove the movable block on the second slide bar, thereby be convenient for remove the position of the twist drill that is fixed in on the drill bit fixture, be favorable to adjusting the twist drill to the best position with the grinding head contact, through the setting of third fixed subassembly, be convenient for rotate the pivot, thereby be convenient for rotate the twist drill, be favorable to grinding the twist drill, it is simpler and more convenient to operate, and be provided with the rotatory piece in the one end that the drill bit fixture was kept away from to the pivot.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the movable frame in the present utility model;

FIG. 3 is a schematic view of a connecting seat according to the present utility model;

FIG. 4 is a schematic structural view of a first fixing component according to the present utility model;

The figure indicates: 1. a bottom plate; 2. a U-shaped frame; 3. a first slide bar; 4. a support rod; 5. a first sleeve; 6. a motor; 7. a grinding head; 8. a movable frame; 9. a first fixing assembly; 10. a slide hole; 11. a U-shaped seat; 12. a connecting seat; 13. a measuring disc; 14. an adjustment port; 15. a second slide bar; 16. a second fixing assembly; 17. a second sleeve; 18. a rotation shaft; 19. a rotating block; 20. a bit clamping mechanism; 21. a third fixed assembly; 22. a connecting shaft; 23. a first stud; 24. a pointer; 25. a first wrench; 26. a threaded hole; 27. a second stud; 28. a nut; 29. and a second wrench.

Description of the embodiments

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

For a better understanding of the objects, structures and functions of the present utility model, a polishing apparatus for twist drills according to the present utility model will be described in further detail with reference to the accompanying drawings.

As shown in figures 1-4, the grinding device for the twist drill comprises a bottom plate 1, two symmetrically-distributed U-shaped frames 2 are arranged on the upper surface of the bottom plate 1, two first sliding rods 3 which are distributed in parallel are arranged between the two U-shaped frames 2, a first sleeve 5 is arranged on one U-shaped frame 2 through a supporting rod 4, a rotating shaft is rotationally connected to the first sleeve 5, one end of the rotating shaft is provided with a grinding head 7, the side wall of the grinding head 7 is provided with a conical groove, and the head of the twist drill is beneficial to contact with the inner wall of the conical groove for grinding through the arrangement of the conical groove on the grinding head 7. The other end is connected with a motor 6, the motor 6 is fixedly connected with the side wall of the U-shaped frame 2 through an L-shaped frame, and the motor 6 is fixedly installed through the L-shaped frame. The movable frames 8 are slidably connected to the two first sliding rods 3, the movable frames 8 are of U-shaped structures, sliding holes 10 which are slidably connected to the first sliding rods 3 are formed in the joints of the movable frames 8 and the first sliding rods 3, the distance between the movable frames 8 and the grinding heads 7 is convenient to adjust through the arrangement of the sliding holes 10 in the movable frames 8, the position of the twist drill fixed on the drill bit clamping mechanism 20 is adjusted, the twist drill is in contact with the grinding heads 7, and the drill bit clamping mechanism 20 is an existing mechanism for clamping the twist drill and is not explained in detail herein.

The movable frame 8 is provided with a first fixing component 9 fixed with the first sliding rod 3, the middle part of the upper surface of the movable frame 8 is provided with a U-shaped seat 11, the top end of the U-shaped seat 11 is rotatably connected with a connecting seat 12 through a connecting shaft 22, the side wall of the U-shaped seat 11 is provided with a measuring disc 13, the connecting seat 12 is provided with an angle adjusting structure for adjusting the angle of the connecting seat 12, the side wall of the connecting seat 12 is provided with a second sliding rod 15, the second sliding rod 15 is in sliding connection with a movable block, the movable block is provided with a second fixing component 16 fixed with the second sliding rod 15, the upper surface of the movable block is provided with a second sleeve 17, the second sleeve 17 is rotatably connected with a rotating shaft 18, one end of the rotating shaft 18, which is positioned at one side of the grinding head 7, is provided with a drill bit clamping mechanism 20, the top end of the second sleeve 17 is provided with a third fixing component 21 fixed with the rotating shaft 18, the first fixing component 9 comprises a nut 28 fixedly connected with the side wall of the movable frame 8, the nut 28 is internally and in threaded connection with a second stud 27, one end of the second stud 27 is provided with a second spanner 29, the second fixing component 16 and the second stud 27 is convenient to move with the second stud 27, the second stud 3 is convenient to realize the second stud 3 and the second stud 27 is in the same structure as the second fixing component, the second stud 15 and the second stud 3 is convenient to be in the operation, the second stud 3 and the second stud 3 is convenient to be in the operation and the structure and the second stud 3. Thereby be convenient for remove the position of twist drill who is fixed in on the drill bit fixture 20, be favorable to adjusting the twist drill to the best position with grinding head 7 contact, through the setting of third fixed subassembly 21, be convenient for rotate rotary shaft 18 to be convenient for twist drill row rotation, be favorable to grinding the twist drill, the operation is simpler and more convenient, and is provided with rotary block 19 in the one end that rotary shaft 18 kept away from drill bit fixture 20.

The angle adjusting structure comprises a first stud 23 fixedly connected with the side wall of the connecting seat 12, an adjusting opening 14 is formed in the surface of the angle measuring disc 13, the end portion of the first stud 23 extends to the outer side of the adjusting opening 14 and is provided with a Z-shaped pointer 24, the pointer 24 is in contact with the side wall of the angle measuring disc 13, a first spanner 25 is connected to the first stud 23 in a threaded mode, a threaded hole 26 in threaded connection with the first stud 23 is formed in the surface of the first spanner 25, the circle center of the angle measuring disc 13 and the circle center of the adjusting opening 14 are the same as the circle center of the connecting shaft 22, through the arrangement of the angle measuring disc 13 and the cooperation among the first stud 23, the pointer 24 and the first spanner 25, the inclination angle of the twist drill can be accurately adjusted conveniently, qualified products can be machined conveniently, and the practicality is high.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a grinder for fluted drill which characterized in that: comprises a bottom plate (1), the upper surface of bottom plate (1) is provided with two U type framves (2) of symmetric distribution, two be provided with two parallel distribution's first slide bar (3) between U type frame (2), one of them install first sleeve pipe (5) through bracing piece (4) on U type frame (2), first sleeve pipe (5) internal rotation is connected with the pivot, the one end of pivot is provided with grinding head (7), and the other end is connected with motor (6), two sliding connection has movable frame (8) on first slide bar (3), just be provided with on movable frame (8) with first fixed subassembly (9) of first slide bar (3) fixed, the upper surface middle part of movable frame (8) is provided with U type seat (11), the top of U type seat (11) is connected with connecting seat (12) through connecting axle (22) rotation, just the lateral wall of U type seat (11) is provided with angle (13), be provided with on connecting seat (12) and be used for carrying out angle regulation piece (12) to connecting angle regulation piece (15) on second slide bar (15) fixed connection, second fixed subassembly (15) are provided with on the second slide bar (15), the upper surface of movable block is provided with second sleeve pipe (17), second sleeve pipe (17) internal rotation is connected with rotation axis (18), the one end that rotation axis (18) are located grinding head (7) one side is provided with drill bit fixture (20), just the top of second sleeve pipe (17) is provided with third fixed subassembly (21) fixed with rotation axis (18).

2. The grinding device for twist drills according to claim 1, wherein: the motor (6) is fixedly connected with the side wall of the U-shaped frame (2) through an L-shaped frame.

3. The grinding device for twist drills according to claim 1, wherein: the movable frame (8) is of a U-shaped structure, and a sliding hole (10) which is in sliding connection with the first sliding rod (3) is formed in the joint of the movable frame (8) and the first sliding rod (3).

4. The grinding device for twist drills according to claim 1, wherein: the side wall of the grinding head (7) is provided with a conical groove.

5. The grinding device for twist drills according to claim 1, wherein: the first fixing assembly (9) comprises a nut (28) fixedly connected with the side wall of the movable frame (8), a second stud (27) is connected with the nut (28) in a threaded mode, a second spanner (29) is arranged at one end of the second stud (27), and the structure of the second fixing assembly (16) and the structure of the third fixing assembly (21) are identical to those of the first fixing assembly (9).

6. The grinding device for twist drills according to claim 1, wherein: the angle adjusting structure comprises a first stud (23) fixedly connected with the side wall of the connecting seat (12), an adjusting opening (14) is formed in the surface of the angle measuring disc (13), the end portion of the first stud (23) extends to the outer side of the adjusting opening (14) and is provided with a Z-shaped pointer (24), the pointer (24) is in contact with the side wall of the angle measuring disc (13), a first wrench (25) is connected to the first stud (23) in a threaded mode, and a threaded hole (26) in threaded connection with the first stud (23) is formed in the surface of the first wrench (25).

7. The grinding device for twist drills according to claim 1, wherein: the circle center of the angle measuring disc (13) and the circle center of the adjusting port (14) are the same with the connecting shaft (22).