Drill chuck dismounting device

Abstract

The utility model discloses a drill chuck dismounting device. The drill chuck dismounting device comprises a main body part, a groove, a lifting screw rod, a flat key, a rotating disc, a threaded through hole and an adjusting screw, the main body part is of a cylindrical structure, a groove matched with a drill chuck is formed in the center of the main body part, a threaded hole is formed in the bottom of the center of the groove, a lifting lead screw is connected into the threaded hole, a rotating disc is fixed to the lower end of the lifting lead screw through a flat key, and the rotating disc is of a disc-shaped structure, so that manual adjustment and rotation are facilitated; according to the dismounting device, the drill chuck can be rapidly dismounted under the condition that the connecting rod is not damaged, the precision of a machine tool can be effectively protected, and operation is easy; the lifting lead screw and the rotating disc are in key connection, the structure is simple, the size is small, carrying is convenient, practicability is high, disassembly and part replacement are convenient, and the service life of the disassembly device is prolonged; dismounting devices of different specifications can be customized according to the size of the drill chuck with the taper.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a fast and efficient disassembly device for a drill chuck. Background Art

[0002] In mechanical processing production, various types of drilling machines are usually used. The removal of drill chucks connected by tapered rods on drilling machines often troubles machining operators. Usually, operators use a hand hammer and a thin and long stick to knock the drill chuck off the connecting rod. This disassembly method is not only inefficient but also easy to hurt the hand with the hammer head. The disassembly method is also complicated. At the same time, the connecting rod of the drill chuck will be deformed and scrapped during the disassembly process, or improper disassembly will also cause the drill chuck to be scrapped, which prolongs the processing time of the workpiece. Summary of the invention

[0003] In order to solve the technical problems existing in the prior art, the utility model provides a drill chuck disassembly device, which has a simple structure and a small size, can quickly disassemble the drill chuck, and the disassembly is safe and reliable with high working efficiency. In order to achieve the above purpose, the technical solution provided by the utility model is:

[0004] The drill chuck disassembly device comprises a main body, a groove, a lifting screw, a flat key, a rotating disk, a threaded through hole and an adjusting screw.

[0005] The main body is a cylindrical structure, and a groove matching the drill chuck is arranged at the center position of the main body. A threaded hole is arranged at the center bottom of the groove, and a lifting screw is connected in the threaded hole. A rotating disk is fixed to the lower end of the lifting screw through a flat key. The rotating disk is arranged in a disc-shaped structure, which is convenient for manual adjustment and rotation.

[0006] Furthermore, the outer diameter of the main body is larger than the inner diameter of the groove, the wall thickness of the groove is set between 8 and 12 mm, the groove is used to fix the drill chuck, and the diameter and depth of the groove match the diameter of the drill chuck.

[0007] Furthermore, the main body is evenly distributed with three threaded through holes in a 360° circumferential direction, and the positions of the threaded through holes are the same as the positions of the key holes of the drill chuck, which are used to fix the drill chuck; a thread hole cooperating with the lifting screw is provided at the center of the bottom end in the axial direction.

[0008] Furthermore, an adjusting screw is installed in the threaded through hole to fix the drill chuck;

[0009] Furthermore, the circumferential surface of the main body is cut with a knurled texture;

[0010] Furthermore, a rotating disk is embedded in the lower end of the lifting screw rod through a key connection, and the axis of the lifting screw rod and the axis of the rotating disk are on the same vertical line;

[0011] Furthermore, the circumferential surface of the rotating disk is cut with a knurled texture, and a center hole is provided at the center of the rotating disk;

[0012] Furthermore, a keyway is provided on the inner wall of the central hole of the rotating disk; the lifting screw rod is connected and fixed to the main body through the keyway;

[0013] The working principle includes the following steps:

[0014] Step 1: Assemble and disassemble the device, install the lifting screw into the thread hole at the axial bottom end of the main body, and install the adjusting screws in the three threaded through holes respectively;

[0015] Step 2: Retract the three jaws of the drill chuck to the limit position inside the drill chuck body;

[0016] Step 3: Place the drill chuck on the machine tool vertically into the groove of the main body, so that the keyhole of the drill chuck and the threaded through hole are concentric;

[0017] Step 4: Fix the drill chuck in the groove by adjusting the screw;

[0018] Step 5. Adjust the lifting screw, hold the drill chuck with your left hand, and use your right hand to rotate the lifting screw clockwise until the lifting screw presses against the connecting rod of the drill press. Tighten the rotating disk firmly to complete the removal of the drill chuck.

[0019] The beneficial effects of the utility model are as follows: the drill chuck disassembly device provided by the utility model can realize the rapid disassembly of the drill chuck without damaging the connecting rod, can effectively protect the precision of the machine tool, and is easy to operate; the lifting screw rod and the rotating disk are connected by a key, the structure is simple, the volume is small, the portability is convenient, the practicability is strong, the disassembly and replacement of parts are convenient, and the service life of the disassembly device is extended; the utility model can also customize disassembly devices of different specifications according to the size of the taper drill chuck. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Attached Figure 1 This is a schematic diagram of the structure of the drill chuck disassembly device of the utility model; in the accompanying drawings,

[0021] 1. Main body; 2. Groove; 3. Lifting screw; 4. Flat key; 5. Rotating disk; 6. Threaded through hole; 7. Adjusting screw; 8. Drill chuck; 9. Connecting rod. DETAILED DESCRIPTION

[0022] Now combined with the attached Figure 1 The technical solution of the utility model is further described in detail with the following embodiments:

[0023] The drill chuck disassembly device comprises a main body 1, a groove 2, a lifting screw 3, a flat key 4, a rotating disk 5, a threaded through hole 6, an adjusting screw 7, a drill chuck 8 and a connecting rod 9.

[0024] The main body 1 is a cylindrical structure, and a groove 2 matching the drill chuck 8 is arranged at the center position of the main body 1. A threaded hole is arranged at the center bottom of the groove 2, and a lifting screw rod 3 is connected in the threaded hole. A rotating disk 5 is fixed to the lower end of the lifting screw rod 3 through a fixing key 4. The rotating disk 5 is arranged in a disc-shaped structure, which is convenient for manual adjustment and rotation.

[0025] Furthermore, the outer diameter of the main body 1 is larger than the inner diameter of the groove 2 , the wall thickness of the groove 2 is set between 8 and 12 mm, the groove 2 is used to fix the drill chuck 8 , and the diameter and depth of the groove 2 match the diameter of the drill chuck 8 .

[0026] Furthermore, the main body 1 is evenly distributed with three threaded through holes 6 in a 360° circumferential direction, and the positions of the threaded through holes 6 are the same as the keyhole positions of the drill chuck 8 for fixing the drill chuck 8; a thread hole cooperating with the lifting screw 3 is provided at the center of the bottom end of the main body 1 in the axial direction.

[0027] Furthermore, an adjusting screw 7 is installed in the threaded through hole 6 to fix the drill chuck 8;

[0028] Furthermore, the circumferential surface of the main body 1 is cut with a knurled texture;

[0029] Furthermore, the lower end of the lifting screw rod 3 is connected and inlaid with a rotating disk 5 through a fixed key 4, and the axis of the lifting screw rod 3 and the axis of the rotating disk 5 are on the same vertical line;

[0030] Furthermore, the circumferential surface of the rotating disk 5 is cut with a knurled texture, and a center hole is provided at the center of the rotating disk 5;

[0031] Furthermore, a keyway is provided on the inner wall of the center hole of the rotating disk 5 ; the lifting screw rod 3 is connected and fixed to the main body 1 via the keyway.

[0032] The working principle includes the following steps:

[0033] Step 1: Assemble and disassemble the device, install the lifting screw 3 into the thread hole at the axial bottom end of the main body 1, and install the adjusting screws 7 into the three threaded through holes 6 respectively;

[0034] Step 2: retract the three jaws of the drill chuck 8 to the limit position inside the main body of the drill chuck 8;

[0035] Step 3: vertically place the drill chuck 8 on the machine tool into the groove 2 of the main body 1, so that the key hole of the drill chuck 8 and the threaded through hole 6 are concentric;

[0036] Step 4: Connect and fix the drill chuck 8 in the groove 2 by adjusting the screw 7;

[0037] Step 5: Adjust the lifting screw 3, hold the drill chuck 8 with your left hand, and rotate the lifting screw 3 clockwise with your right hand until the lifting screw 3 presses against the connecting rod of the drilling machine, and tighten the rotating disk 5 to complete the removal of the drill chuck 8.

[0038] The working principle of the utility model is: the groove of the main body is used to fix the drill chuck, and then the rotating disk is rotated, and the connecting rod for fixing the drill chuck is supported by the lifting screw rod, so that the drill chuck is disassembled.

[0039] The utility model has the following beneficial effects: simple structure, convenient operation, and can realize rapid disassembly of the drill chuck, which can improve work efficiency and is highly practical. Compared with the original disassembly method, the use of the utility model will not affect the accuracy of the drill chuck and can extend the service life of the drill chuck; the utility model can be made into disassembly devices of different specifications according to the size of the taper drill chuck, and the principle is the same.

Claims

1. A drill chuck disassembly device, comprising a main body (1), a groove (2), a lifting screw (3), a fixing key (4), a rotating disk (5), a threaded through hole (6), an adjusting screw (7), a drill chuck (8) and a connecting rod (9), characterized in that: The main body (1) is a cylindrical structure. A groove (2) matching with the drill chuck (8) is arranged at the center of the main body (1). A threaded hole is arranged at the center bottom of the groove (2). A lifting screw rod (3) is connected in the threaded hole. A rotating disk (5) is fixed at the lower end of the lifting screw rod (3) via a fixing key (4). The rotating disk (5) is arranged in a disc-shaped structure so as to be convenient for manual adjustment and rotation. The outer diameter of the main body (1) is greater than the inner diameter of the groove (2); the wall thickness of the groove (2) is set between 8 and 12 mm; the groove (2) is used to fix the drill chuck (8); and the diameter and depth of the groove (2) match the diameter of the drill chuck (8).

2. The drill chuck disassembly device according to claim 1, characterized in that: The main body (1) is provided with three adjusting threaded through holes (6) evenly distributed in a 360° circumferential direction, the positions of the threaded through holes (6) being the same as the positions of the key holes of the drill chuck (8), and a thread hole cooperating with the lifting screw rod (3) is provided at the center of the bottom end in the axial direction of the main body (1).

3. The drill chuck disassembly device according to claim 1, characterized in that: An adjusting screw (7) is installed in the threaded through hole (6) for fixing the drill chuck (8).

4. The drill chuck disassembly device according to claim 1, characterized in that: The circumferential surface of the main body (1) is cut with a knurled texture.

5. The drill chuck disassembly device according to claim 1, characterized in that: The lower end of the lifting screw rod (3) is connected to a rotating disk (5) via a fixed key (4), and the axis of the lifting screw rod (3) and the axis of the rotating disk (5) are on the same vertical line.

6. The drill chuck disassembly device according to claim 1, characterized in that: The circumferential surface of the rotating disk (5) is cut with a knurled texture, and a center hole is provided at the center of the rotating disk (5).

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