Rotary tool base

Abstract

The utility model relates to the technical field of tool seats, and discloses a rotary tool seat, a rotary disc is arranged in the center of the tool seat, a plurality of round holes are formed in the upper surface of the tool seat corresponding to the side of the rotary disc, a cylinder is arranged in the center of the interior of the rotary disc, and the bottom end, protruding out of the rotary disc, of the cylinder is connected to the interior of the tool seat. A first gear is arranged at the lower end of the cylinder, the side end of the first gear is connected with one end of a second gear, the other end of the second gear is connected with a third gear, a tightening device is arranged at the other end of the third gear, and a clamping device is arranged at the lower end of the center of the tightening device. The rotating disc controls the tightening device through meshing of gears, a contraction opening is opened and closed, the cutter is fixed for the first time, an L-shaped clamping groove is formed in the surface of the clamping device, the cutter is fixed for the second time through a protrusion on the cutter, and when the cutter is taken out, the rotating disc and the cutter are rotated in the opposite direction in the same step.

Description

Technical Field

[0001] The utility model relates to the technical field of tool seats, in particular to a rotating tool seat. Background Art

[0002] A rotary tool seat is a rotatable tool seat, usually composed of a rotating disk and a fixed seat. The rotating disk can be installed with various tools, and the appropriate tool can be selected for use by rotating the rotating disk. Existing tool mounting seats mostly use locking bolts to press and fix the tool, but the contact area between the bolt and the tool is small, the installation stability of the tool is low, and it is not convenient to use and install the tool. For this reason, we propose a rotary tool seat. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a rotating tool holder to solve the above-mentioned problems.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotating tool seat, a rotating disk is arranged at the center of the tool seat, and a plurality of circular holes are arranged on the upper surface of the tool seat corresponding to the side of the rotating disk, and a cylinder is arranged at the inner center of the rotating disk, the bottom end of the cylinder protruding from the rotating disk is connected to the inside of the tool seat, and a No. 1 gear is arranged at the lower end of the cylinder, and the side end of the No. 1 gear is connected to one end of the No. 2 gear, and the other end of the No. 2 gear is connected to the No. 3 gear, and a clamping device is arranged at the other end of the No. 3 gear, and a clamping device is arranged at the lower end at the center of the clamping device.

[0007] Preferably, the upper end of the cylinder is fixedly connected to the rotating disk, the lower end is fixedly connected to the No. 1 gear, and the rotating disk is movably connected to the upper surface of the tool seat.

[0008] Preferably, the tightening device includes external teeth, a gear sleeve, a fourth gear, internal teeth and fan blades, the external teeth mesh with the surface of the third gear, and the external teeth surround the periphery of the gear sleeve, the internal teeth are installed inside the gear sleeve, and the interior of the gear sleeve is provided with multiple fourth gears, and the internal teeth are connected to the outer end of the fourth gear, and fan blades are provided above the fourth gear, and the bottom of the fourth gear is movably connected to the inside of the tool seat.

[0009] Preferably, one end of the fan blade is fixedly connected to the upper end of the fourth gear, and the other end is stepped down.

[0010] Preferably, the clamping device includes a shell, an L-shaped slot, a spring and a limit block. The shell is fixedly connected to the inside of the tool seat, and the outer surface of the shell is provided with an L-shaped slot, and a spring is provided at the bottom end of the shell, and the limit block is installed at the upper end of the spring.

[0011] Preferably, one end of the fan blade is fixedly connected to the upper end of the fourth gear, and the other end is stepped down.

[0012] Preferably, the upper surface of the housing is in a rounded shape, and the bending position of the L-shaped slot is in a rounded shape.

[0013] Preferably, the circular hole on the surface of the tool seat corresponds to the center of the gear sleeve and the center of the outer shell.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a rotating tool holder, which has the following beneficial effects:

[0016] 1. The rotating tool seat is provided with a tightening device inside the tool seat. By twisting the rotating disk, the rotating disk drives the internal cylinder to rotate, the cylinder drives the No. 1 gear below to rotate, the No. 1 gear drives the No. 2 gear to rotate, the No. 2 gear drives the No. 3 gear to rotate, the No. 3 gear drives the outer teeth to rotate, the outer teeth drive the gear sleeve to rotate, the gear sleeve drives the inner teeth to rotate, the teeth of the No. 4 gear rotate with the inner teeth, and then drive the fan blades to close the contraction port inward, the fan blades move inward in a circular arc, tighten the tool at the center, and fix the tool for the first time.

[0017] 2. The rotary tool seat is provided with a clamping device at the lower end. The tool rotates inside the L-shaped slot, so that the protrusion on the tool moves to the lower position of the L-shaped slot, and the tool is fixed for the second time.

[0018] 3. When you need to take out the tool from the rotating tool holder, twist the rotating disk in the opposite direction to move the fan blades outward, open the contraction opening, and rotate the tool in the opposite direction to move the protrusion on the tool to the vertical position of the L-shaped slot, and then you can take it out. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the tightening device of the utility model;

[0022] Figure 4 It is a schematic diagram of the clamping device of the utility model.

[0023] In the figure: 1. tool holder; 2. rotating disk; 3. round hole; 4. cylinder; 5. gear No. 1; 6. gear No. 2; 7. gear No. 3; 8. external teeth; 9. gear sleeve; 10. internal teeth; 11. gear No. 4; 12. fan blades; 13. housing; 14. L-shaped slot; 15. limit block; 16. spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 A rotating tool seat comprises a rotating disk 2 arranged at the center of the tool seat 1, and a plurality of circular holes 3 are arranged on the upper surface of the tool seat 1 corresponding to the side of the rotating disk 2, and a cylinder 4 is arranged at the inner center of the rotating disk 2, the bottom end of the cylinder 4 protruding from the rotating disk 2 is connected to the inside of the tool seat 1, and a No. 1 gear 5 is arranged at the lower end of the cylinder 4, and the side end of the No. 1 gear 5 is connected to one end of the No. 2 gear 6, and the other end of the No. 2 gear 6 is connected to the No. 3 gear 7, and the other end of the No. 3 gear 7 is arranged with a clamping device, and a clamping device is arranged at the lower end at the center of the clamping device, the overall structure of the tool seat.

[0026] Furthermore, the upper end of the cylinder 4 is fixedly connected to the rotating disk 2, and the lower end is fixedly connected to the No. 1 gear 5, and the rotating disk 2 is movably connected to the upper surface of the tool holder 1, and the tightening device is further controlled by rotating the cylinder 4.

[0027] Furthermore, the tightening device includes external teeth 8, a gear sleeve 9, a fourth gear 11, internal teeth 10 and fan blades 12. The external teeth 8 are meshed with the surface of the third gear 7, and the external teeth 8 surround the periphery of the gear sleeve 9. The internal teeth 10 are installed inside the gear sleeve 9, and the interior of the gear sleeve 9 is provided with multiple fourth gears 11, and the internal teeth 10 are connected to the outer end of the fourth gear 11, and fan blades 12 are provided above the fourth gear 11, and the bottom of the fourth gear 11 is movably connected to the inside of the tool seat 1. The structure of the tightening device is that the fourth gear is connected to the tool seat 1, so that the position of the fourth gear 11 remains unchanged when it is driven to rotate.

[0028] Furthermore, one end of the fan blade 12 is fixedly connected to the upper end of the fourth gear 11, and the other end is stepped down, so that the rotation of the gear is converted into the movement of the fan blade 12.

[0029] Furthermore, the clamping device includes a shell 13, an L-shaped slot 14, a spring 16 and a limit block 15. The shell 13 is fixedly connected to the inside of the tool holder 1, and the outer surface of the shell 13 is provided with an L-shaped slot 14, and the bottom end of the shell 13 is provided with a spring 16, and the upper end of the spring 16 is installed with the limit block 15, forming the structure of the clamping device.

[0030] Furthermore, one end of the fan blade 12 is fixedly connected to the upper end of the fourth gear 11, and the other end is stepped down, so that the fan blades 12 cooperate with each other in a non-interference state.

[0031] Furthermore, the upper surface of the housing 13 is rounded, and the bending position of the L-shaped slot 14 is rounded, so that the protruding point of the tool can pass through smoothly.

[0032] Furthermore, the circular hole 3 on the surface of the tool holder 1 corresponds to the center of the gear sleeve 9 and the center of the housing 13 , so that the contraction opening and the center of the housing 13 are directly below the circular hole 3 .

[0033] Working principle: when the tool needs to be placed on the tool seat, rotate the rotating disk 2, the rotating disk 2 drives the internal cylinder 4 to rotate, the cylinder 4 drives the No. 1 gear 5 below to rotate, the No. 1 gear 5 drives the No. 2 gear 6 to rotate, the No. 2 gear drives the No. 3 gear 7 to rotate, the No. 3 gear 7 drives the outer teeth 8 to rotate, the outer teeth 8 drives the gear sleeve 9 to rotate, the gear sleeve 9 drives the inner teeth 10 to rotate, the teeth of the No. 4 gear 11 rotate with the inner teeth 10, and then drive the fan blades 12 to open the contraction mouth outward, the tool is placed in the middle, the tool handle is inserted into the interior of the lower 13, one end of the tool is pushed into the limit block 15, the protrusion on the tool gradually shrinks with the change of the chamfer on the outer shell 13, the protrusion protrudes when it slides into the L-shaped slot 14, rotates to the right to place the protrusion in the lower position of the L-shaped slot, and then rotates the rotating disk 2 in the opposite direction to tighten the fan blades 12 on the No. 4 gear 11 inward, close the contraction mouth, and fix the tool.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary tool holder, comprising a tool holder (1), characterized in that: A rotating disk (2) is arranged at the center of the tool seat (1), and a plurality of circular holes (3) are arranged on the upper surface of the tool seat (1) corresponding to the side of the rotating disk (2), and a cylinder (4) is arranged at the center of the interior of the rotating disk (2), the bottom end of the cylinder (4) protruding from the rotating disk (2) is connected to the interior of the tool seat (1), and a first gear (5) is arranged at the lower end of the cylinder (4), and the side end of the first gear (5) is connected to one end of a second gear (6), and the other end of the second gear (6) is connected to a third gear (7), and a tightening device is arranged at the other end of the third gear (7), and a clamping device is arranged at the lower end of the center of the tightening device.

2. A rotary tool holder according to claim 1, characterized in that: The upper end of the cylinder (4) is fixedly connected to the rotating disk (2), and the lower end is fixedly connected to the No. 1 gear (5), and the rotating disk (2) is movably connected to the upper surface of the tool seat (1).

3. The rotary tool holder according to claim 1, characterized in that: The tightening device comprises an outer tooth (8), a tooth sleeve (9), a fourth gear (11), an inner tooth (10) and a fan blade (12); the outer tooth (8) is meshed with the surface of the third gear (7), and the outer tooth (8) surrounds the outer periphery of the tooth sleeve (9); the inner tooth (10) is installed inside the tooth sleeve (9); the inner part of the tooth sleeve (9) is provided with a plurality of fourth gears (11); the inner tooth (10) is connected to the outer end of the fourth gear (11); a fan blade (12) is provided above the fourth gear (11); and the bottom of the fourth gear (11) is movably connected to the inside of the tool seat (1).

4. A rotary tool holder according to claim 3, characterized in that: One end of the fan blade (12) is fixedly connected to the upper end of the fourth gear (11), and the other end is stepped down.

5. The rotary tool holder according to claim 1, characterized in that: The clamping device comprises a housing (13), an L-shaped clamping groove (14), a spring (16) and a limit block (15); the housing (13) is fixedly connected to the inside of the tool holder (1), and the outer surface of the housing (13) is provided with the L-shaped clamping groove (14); the bottom end of the housing (13) is provided with a spring (16), and the upper end of the spring (16) is installed with the limit block (15).

6. The rotary tool holder according to claim 5, characterized in that: The upper surface of the housing (13) is in a rounded shape, and the bending position of the L-shaped slot (14) is in a rounded shape.

7. A rotary tool holder according to any one of claims 3 or 6, characterized in that: The circular hole (3) on the surface of the tool seat (1) corresponds to the center of the gear sleeve (9) and the center of the outer shell (13).

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