Drill bit grinding clamp for quickly grinding drill bits of multiple sizes

Abstract

The drill bit grinding clamp comprises a bottom supporting plate, an upper supporting plate is arranged above the bottom supporting plate, a rotating shaft is connected to the upper supporting plate in a rotating mode, a clamping mechanism is installed at the top of the rotating shaft, and the drill bit grinding clamp further comprises an angle adjusting mechanism. The angle adjusting mechanism is installed between the bottom supporting plate and the rotating shaft, and relates to the technical field of grinding drill bit clamps, through the clamping mechanism, two electric push rods are used for driving the two semi-circular-ring-shaped clamping bases to be close to each other and clamping a grinding drill bit, and therefore the clamping operation of the grinding drill bit is convenient and fast; by arranging the angle adjusting mechanism, rotation of the clamping mechanism can be completed through stretching and retracting of the electric push rod, so that angle adjustment of the drill bit is completed, the clamping mechanism is stable after rotating, and therefore the machining reliability of the opposite-grinding drill bit is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of drill bit grinding fixtures, in particular to a drill bit grinding fixture used for rapidly grinding drill bits of multiple sizes. Background Art

[0002] The Chinese utility model patent with publication number CN220740726U discloses an angle-adjustable drill bit grinding fixture, including a base, a rotating seat is provided above the base, a lifting ring is provided between the base and the rotating seat, a receiving groove is provided at the position corresponding to the lifting ring at the inner upper end of the base, the lifting ring is arranged inside the receiving groove, and limiting rods are provided at positions in four directions of the lower surface of the lifting ring, a spring groove is provided at the position corresponding to the limiting rod inside the receiving groove, a lifting spring is provided on the outside of the limiting rod and between the spring groove and the lifting ring, an angle limiting groove is provided on the upper surface of the base, and an angle limiting strip is provided at the position corresponding to the angle limiting slot on the lower surface of the rotating seat, and the angle limiting strip is abutted against the inside of the angle limiting groove.

[0003] The above patent has the following deficiencies:

[0004] The swivel seat is limited in rotation by a limiting nut. Therefore, each time the angle of the swivel seat is adjusted, the nut must be removed, the swivel seat must be rotated, and the nut must be tightened. Therefore, the angle adjustment is very inconvenient. Utility Model Content

[0005] In view of the problems existing in the existing drill bit grinding fixture for quickly grinding drill bits of multiple sizes, the present utility model is proposed.

[0006] Therefore, the purpose of the present invention is to provide a drill bit grinding fixture for quickly grinding drill bits of multiple sizes, which solves the problem in the above-mentioned patent that the rotating seat is limited in rotation by a limiting nut. Therefore, each time the angle of the rotating seat is adjusted, the nut needs to be removed, the rotating seat needs to be rotated and the nut needs to be tightened, making the angle adjustment very inconvenient.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A drill bit grinding fixture for quickly grinding drill bits of multiple sizes includes a bottom support plate, an upper support plate above the bottom support plate, a rotating shaft rotatably connected to the upper support plate, a clamping mechanism installed on the top of the rotating shaft, and an angle adjustment mechanism installed between the bottom support plate and the rotating shaft.

[0009] As a preferred solution of the drill bit grinding fixture for quickly grinding multi-size drill bits described in the present invention, the bottom support plate is provided with a mounting hole, and the bottom support plate is fixed through the mounting hole.

[0010] As a preferred solution of the drill bit grinding fixture for quickly grinding multi-size drill bits described in the utility model, a support column is welded to the bottom of the upper support plate, and the bottom of the support column is fixedly connected to the bottom support plate.

[0011] As a preferred solution of the drill bit grinding fixture for quickly grinding multi-size drill bits described in the utility model, the clamping mechanism includes a top support plate welded to the top of the rotating shaft, and the first electric push rod and the second electric push rod are respectively installed at both ends of the top support plate, and the ends of the first electric push rod and the second electric push rod are fixedly connected to a semicircular ring clamp seat.

[0012] As a preferred solution of the drill bit grinding fixture for quickly grinding multi-size drill bits described in the utility model, wherein: first support connecting seats are welded on the outer walls of the two semicircular ring clamps, the ends of the first electric push rod and the second electric push rod are respectively inserted into the two first support connecting seats, and the ends of the first electric push rod and the second electric push rod are respectively fixed to the two first support connecting seats by bolts.

[0013] As a preferred solution of the drill bit grinding fixture for quickly grinding multi-size drill bits described in the utility model, wherein: the second support connecting seat and the third support connecting seat are respectively welded to both ends of the top support plate, the end of the first electric push rod is inserted into the second support connecting seat, and the second support connecting seat and the first electric push rod are fixed by bolts;

[0014] The end of the second electric push rod is inserted into the third support connecting seat, and the third support connecting seat and the second electric push rod are fixed by bolts.

[0015] As a preferred solution of the drill bit grinding fixture for quickly grinding multi-size drill bits described in the utility model, the angle adjustment mechanism includes a driving rod fixedly connected to the bottom of the rotating shaft, the other end of the driving rod is connected to the third electric push rod through a pin shaft, the other end of the third electric push rod is connected to the support pin through a pin shaft, and the bottom of the support pin is fixedly connected to the bottom support plate.

[0016] As an optimal solution of the drill bit grinding fixture for quickly grinding multi-size drill bits described in the utility model, a T-shaped groove is provided on the top support plate, a T-shaped slider is welded to the bottom of the semicircular ring clamp seat, and the inner wall of the T-shaped groove is slidably connected to the T-shaped slider.

[0017] Compared with existing technologies:

[0018] Through the clamping mechanism, two electric push rods are used to drive two semicircular ring clamps to approach and clamp the drill bit, so that the clamping operation of the drill bit is convenient;

[0019] By setting up an angle adjustment mechanism, the rotation of the clamping mechanism can be completed by the extension and retraction of the electric push rod, thereby completing the angle adjustment of the drill bit, and after the clamping mechanism rotates, the clamping mechanism is stable, thereby ensuring the reliability of the grinding drill bit processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of Example 1 of the present utility model;

[0021] Figure 2 A top view of the semicircular ring clamp provided in Example 1 of the present utility model;

[0022] Figure 3 This is an enlarged view of the clamping mechanism provided in Example 2 of the present utility model.

[0023] In the figure: bottom support plate 1, mounting hole 2, support pin 3, third electric push rod 4, drive rod 7, support column 8, upper support plate 9, rotating shaft 10, bearing seat 11, top support plate 12, T-shaped slide groove 121, second support connecting seat 13, first electric push rod 14, first support connecting seat 15, second electric push rod 16, third support connecting seat 17, semicircular ring clamp seat 18, and flat portion 181. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Example 1

[0025] The utility model provides a drill bit grinding fixture for quickly grinding drill bits of multiple sizes. Figure 1-2 , including a bottom support plate 1, an upper support plate 9 above the bottom support plate 1, and a rotating shaft 10 rotatably connected to the upper support plate 9. Specifically, a bearing seat 11 is installed on the upper support plate 9, and the bearing seat 11 is rotatably connected to the rotating shaft 10 through a bearing. A clamping mechanism is installed on the top of the rotating shaft 10, and also includes an angle adjustment mechanism, which is installed between the bottom support plate 1 and the rotating shaft 10.

[0026] The bottom support plate 1 is provided with a mounting hole 2 , through which the bottom support plate 1 is fixed.

[0027] A support column 8 is welded to the bottom of the upper support plate 9 , and the bottom of the support column 8 is fixedly connected to the bottom support plate 1 .

[0028] The clamping mechanism includes a top support plate 12 welded to the top of the rotating shaft 10, and the first electric push rod 14 and the second electric push rod 16 are respectively installed at both ends of the top support plate 12. Specifically, the second support connecting seat 13 and the third support connecting seat 17 are respectively welded at both ends of the top support plate 12. The end of the first electric push rod 14 is inserted into the second support connecting seat 13, and the second support connecting seat 13 and the first electric push rod 14 are fixed by bolts; the end of the second electric push rod 16 is inserted into the third support connecting seat 17, and the third support connecting seat 17 and the second electric push rod 16 are fixed by bolts. The ends of the first electric push rod 14 and the second electric push rod 16 are fixedly connected to a semicircular ring clamp seat 18, and the inner wall of the semicircular ring clamp seat 18 has a flat portion 181, which fits with the outer wall of the end of the drill bit through the flat portion 181, so that the drill bit can be effectively clamped.

[0029] A first support connecting seat 15 is welded to the outer wall of the two semicircular ring clamp seats 18, and the ends of the first electric push rod 14 and the second electric push rod 16 are respectively inserted into the two first support connecting seats 15, and the ends of the first electric push rod 14 and the second electric push rod 16 are respectively fixed to the two first support connecting seats 15 by bolts.

[0030] The angle adjustment mechanism includes a driving rod 7 fixedly connected to the bottom of the rotating shaft 10, the other end of the driving rod 7 is connected to the third electric push rod 4 through a pin shaft, the other end of the third electric push rod 4 is connected to the support pin 3 through a pin shaft, and the bottom of the support pin 3 is fixedly connected to the bottom support plate 1.

[0031] When in use, the end of the drill bit is placed between the two semicircular ring clamps 18, and the first electric push rod 14 and the second electric push rod 16 extend to drive the two semicircular ring clamps 18 to move closer and clamp the end of the drill bit;

[0032] The third electric push rod 4 is extended and retracted to drive the rotating shaft 10 to rotate, and the rotating shaft 10 drives the clamping mechanism to rotate, thereby realizing the rotation of the drill bit. Example 2

[0033] Refer to the attached Figure 3 , which is different from Example 1: a T-shaped groove 121 is provided on the top support plate 12, a T-shaped slider is welded to the bottom of the semicircular ring clamp seat 18, and the inner wall of the T-shaped groove 121 is slidably connected to the T-shaped slider, thereby making the movement of the semicircular ring clamp seat 18 more stable and smooth.

[0034] When in use, the end of the drill bit is placed between the two semicircular ring clamps 18, and the first electric push rod 14 and the second electric push rod 16 extend to drive the two semicircular ring clamps 18 to move closer and clamp the end of the drill bit;

[0035] The third electric push rod 4 is extended and retracted to drive the rotating shaft 10 to rotate, and the rotating shaft 10 drives the clamping mechanism to rotate, thereby realizing the rotation of the drill bit.

[0036] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A drill bit grinding fixture for quickly grinding drill bits of multiple sizes, comprising a bottom support plate (1), an upper support plate (9) above the bottom support plate (1), a rotating shaft (10) rotatably connected to the upper support plate (9), and a clamping mechanism installed on the top of the rotating shaft (10), characterized in that: It also includes an angle adjustment mechanism, which is installed between the bottom support plate (1) and the rotating shaft (10); The angle adjustment mechanism comprises a driving rod (7) fixedly connected to the bottom of the rotating shaft (10); the other end of the driving rod (7) is connected to a third electric push rod (4) via a pin shaft; the other end of the third electric push rod (4) is connected to a support pin (3) via a pin shaft; the bottom of the support pin (3) is fixedly connected to the bottom support plate (1).

2. A drill bit grinding fixture for rapidly grinding multi-size drill bits according to claim 1, characterized in that: The bottom support plate (1) is provided with a mounting hole (2), and the bottom support plate (1) is fixed via the mounting hole (2).

3. The drill bit grinding fixture for rapidly grinding multi-size drill bits according to claim 1, characterized in that: A support column (8) is welded to the bottom of the upper support plate (9), and the bottom of the support column (8) is fixedly connected to the bottom support plate (1).

4. A drill bit grinding fixture for rapidly grinding multi-size drill bits according to claim 2 or 3, characterized in that: The clamping mechanism comprises a top support plate (12) welded to the top of the rotating shaft (10), a first electric push rod (14) and a second electric push rod (16) are respectively mounted on both ends of the top support plate (12), and the ends of the first electric push rod (14) and the second electric push rod (16) are fixedly connected to a semicircular ring clamp seat (18).

5. The drill bit grinding fixture for rapidly grinding multi-size drill bits according to claim 4, characterized in that: A first supporting connection seat (15) is welded to the outer walls of the two semicircular ring clamp seats (18); the ends of the first electric push rod (14) and the second electric push rod (16) are respectively inserted into the two first supporting connection seats (15); and the ends of the first electric push rod (14) and the second electric push rod (16) are respectively fixed to the two first supporting connection seats (15) by bolts.

6. The drill bit grinding fixture for rapidly grinding multi-size drill bits according to claim 4, characterized in that: A second support connection seat (13) and a third support connection seat (17) are respectively welded to both ends of the top support plate (12); the end of the first electric push rod (14) is inserted into the second support connection seat (13); and the second support connection seat (13) and the first electric push rod (14) are fixed by bolts; The end of the second electric push rod (16) is inserted into the third support connection seat (17), and the third support connection seat (17) and the second electric push rod (16) are fixed by bolts.

7. The drill bit grinding fixture for rapidly grinding multi-size drill bits according to claim 5, characterized in that: A T-shaped slide groove (121) is provided on the top support plate (12), a T-shaped slider is welded to the bottom of the semicircular ring clamp seat (18), and the inner wall of the T-shaped slide groove (121) is slidably connected to the T-shaped slider.

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