Anti-loose 90-degree corner milling shaft cutter handle with pre-tightening force

Abstract

The anti-loosening 90-degree corner milling shaft cutter handle comprises a middle bearing fixing seat, a cutter changing fixing ring, a cutter handle body and a gear box body, the middle bearing fixing seat is located at the upper end of the gear box body, the cutter changing fixing ring is rotationally arranged at the upper end of the middle bearing fixing seat, and an anti-loosening clamping groove is formed in the outer edge of the cutter changing fixing ring; a connecting seat is arranged on one side of the middle bearing fixing seat, an elastic nut is elastically installed on the connecting seat, an anti-loosening pressing rod is hinged to the connecting seat, one end of the anti-loosening pressing rod is connected with the elastic nut, the other end of the anti-loosening pressing rod is pressed in the anti-loosening clamping groove, and the lower end of the gear box body is connected with a transmission piece. According to the anti-loosening 90-degree corner milling shaft cutter handle with the pre-tightening force, the anti-loosening pressing rod is controlled by the elastic structure to press the cutter changing fixing ring, so that the cutter can be fixedly locked at a single position after cutter changing is completed every time, and the mounting stability after cutter changing is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machining mechanism, and in particular to a 90-degree angle milling shaft tool holder with pre-tightening force. BACKGROUND

[0002] In the machining equipment, different machining tools are needed. In the process of replacing the tools, the installation structure on the machining equipment can fix the replaced tools. However, different tools have different orientations in position. If the position cannot be positioned, the position of the new tool needs to be adjusted manually, which affects the production process. SUMMARY

[0003] An object of the present application is to provide a 90-degree angle milling shaft tool holder with pre-tightening force, which can accurately position the angle direction of the tool after tool replacement, and save the cumbersome operation of adjusting the new tool.

[0004] To achieve this object, the present application adopts the following technical solutions: A 90-degree angle milling shaft tool holder with pre-tightening force, comprising a middle bearing fixing seat, a tool replacement fixing ring, a tool holder and a gear box, the middle bearing fixing seat is located at the upper end of the gear box, the tool replacement fixing ring rotates at the upper end of the middle bearing fixing seat, the outer edge of the tool replacement fixing ring is provided with a anti-loosening clamping groove, one side of the middle bearing fixing seat is provided with a connecting seat, a elastic installation of a loose nut is arranged on the connecting seat, an anti-loosening pressing rod is hinged on the connecting seat, one end of the anti-loosening pressing rod is connected with the loose nut, the other end of the anti-loosening pressing rod is pressed in the anti-loosening clamping groove, and a transmission member is connected to the lower end of the gear box.

[0005] As a preferred technical solution, a nut movable groove is arranged on the connecting seat, and a return spring is arranged in the nut movable groove, and the lower end of the loose nut is connected with the return spring.

[0006] As a preferred technical solution, a rotating shaft is installed in the connecting seat, an active groove is arranged in the middle part of the anti-loosening pressing rod, the rotating shaft passes through the active groove, and a connecting shaft is connected between the anti-loosening pressing rod and the loose nut.

[0007] As a preferred technical solution, a positioning shaft pin is fixed to the outer end of the connecting seat.

[0008] As a preferred technical solution, a pull pin is threadedly connected to the upper end of the tool holder.

[0009] As a preferred technical solution, an installation cavity is arranged in the inside of the tool replacement fixing ring, a driving gear is connected to the lower end of the tool holder, the driving gear is located at the lower end of the installation cavity, and the driving gear is engaged with the transmission member for transmission. As a preferred technical solution, an installation cavity is arranged in the inside of the tool replacement fixing ring, a driving gear is connected to the lower end of the tool holder, the driving gear is located at the lower end of the installation cavity, and the driving gear is engaged with the transmission member for transmission.

[0010] As a preferred technical scheme, a plurality of driven gears are arranged in the gear box body, the driven gears are meshed with each other, the driving gear is in transmission connection with the uppermost driven gear, and the transmission member is in transmission connection with the lowermost driven gear.

[0011] As a preferred technical scheme, the transmission member is a collet seat, and the collet seat penetrates the center of the lowermost driven gear.

[0012] The present application has the advantages that the 90-degree angle milling shaft tool holder with pre-tightening force and anti-loosening function can control the anti-loosening pressing rod to press the tool changing fixing ring through the elastic structure, so that the tool changing fixing ring can be fixed and locked at a single position after each tool changing, and the stability of the tool changing is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] The present application will be further described in detail below with reference to the drawings and embodiments.

[0014] Figure 1 A perspective structural schematic view of the 90-degree angle milling shaft tool holder with pre-tightening force and anti-loosening function according to the embodiment; Figure 2 An upper end partial structural view of the 90-degree angle milling shaft tool holder with pre-tightening force and anti-loosening function according to the embodiment; Figure 3 A whole sectional view of the 90-degree angle milling shaft tool holder with pre-tightening force and anti-loosening function according to the embodiment; Figure 4 An internal structural view of the 90-degree angle milling shaft tool holder with pre-tightening force and anti-loosening function according to the embodiment.

[0015] Figures 1 to 4 In the middle: 1, intermediate bearing fixed seat; 2, tool changing fixing ring; 3, tool holder; 4, gear box body; 5, anti-loosening slot; 6, connecting seat; 7, loose nut; 8, anti-loosening pressing rod; 9, return spring; 10, rotating shaft; 11, movable groove; 12, connecting shaft; 13, positioning shaft pin; 14, pull pin; 15, mounting cavity; 16, driving gear; 17, driven gear; 18, collet seat. DETAILED DESCRIPTION

[0016] The technical scheme of the present application will be further described below in combination with the drawings and through specific embodiments.

[0017] As Figures 1 to 4As shown, in the embodiment, a pre-tightening anti-loose 90-degree corner milling shaft tool holder, comprising an intermediate bearing fixing seat 1, a tool changing fixing ring 2, a tool holder 3 and a gear box 4, the intermediate bearing fixing seat 1 is located at the upper end of the gear box 4, the tool changing fixing ring 2 rotates at the upper end of the intermediate bearing fixing seat 1, the outer edge of the tool changing fixing ring 2 is provided with an anti-loose clamping groove 5, one side of the intermediate bearing fixing seat 1 is provided with a connecting seat 6, the connecting seat 6 is elastically mounted with a loose nut 7, the connecting seat 6 is hinged with an anti-loose pressing rod 8, one end of the anti-loose pressing rod 8 is connected with the loose nut 7, the other end of the anti-loose pressing rod 8 is pressed in the anti-loose clamping groove 5, the lower end of the gear box 4 is connected with a transmission member.

[0018] When the tool needs to be replaced, by applying a downward force to the loose nut 7, the loose nut 7 drives one end of the anti-loose pressing rod 8 to move downward, under the action of the hinge, the other end of the anti-loose pressing rod 8 is raised upward, and the anti-loose clamping groove 5 of the tool changing fixing ring 2 is separated, so that the whole tool can be replaced, when the new tool is replaced, under the elastic control, the loose nut 7 is reset upward, and drives the anti-loose pressing rod 8 to buckle downward into the anti-loose clamping groove 5 of the new tool, so as to fix the position of the tool holder 3 to the current position requirement.

[0019] The connecting seat 6 is provided with a nut movable slot 11, the nut movable slot 11 has a return spring 9, the lower end of the loose nut 7 is connected with the return spring 9, when the return spring 9 is contracted, the loose nut 7 is loosened, the return spring 9 is popped up, the loose nut 7 is reset, and the anti-loose pressing rod 8 can be pressed back into the anti-loose clamping groove 5.

[0020] The inside of the connecting seat 6 is mounted with a rotating shaft 10, the middle part of the anti-loose pressing rod 8 is provided with a movable slot 11, the rotating shaft 10 passes through the movable slot 11, the anti-loose pressing rod 8 and the loose nut 7 are connected with a connecting shaft 12.

[0021] The outer end of the connecting seat 6 is fixed with a positioning shaft pin 13, in the presence of the positioning shaft pin 13, the tool is stably installed in the machining equipment.

[0022] The upper end of the tool holder 3 is threadedly connected with a pull pin 14, the pull pin 14 can be subjected to axial force, so that the tool holder 3 is positioned and locked.

[0023] The inside of the tool changing fixing ring 2 is provided with a mounting cavity 15, the lower end of the tool holder 3 is connected with a driving gear 16, the driving gear 16 is located at the lower end of the mounting cavity 15, the driving gear 16 is engaged with the transmission member for transmission, and the tool holder 3 is driven to rotate by the transmission member through the transmission of the driving gear 16 in the process of rotation.

[0024] The inside of the gear box 4 is provided with a plurality of driven gears 17, the driven gears 17 are meshed with each other, the driving gear 16 is in transmission connection with the uppermost driven gear 17, the transmission member is in transmission connection with the lowermost driven gear 17, when the driving gear 16 rotates, the driven gears 17 transmit power to the transmission member, so as to change the steering and power transmission.

[0025] The transmission member is a chuck seat 18, the inside of the chuck seat 18 passes through the center of the lowermost driven gear 17, when the tool shank 3 rotates, the power is transmitted to the chuck seat 18, so as to rotate the chuck seat 18, thereby machining the product.

[0026] It should be noted that the above specific embodiments are only the preferred embodiments of the present application and the technical principles applied, and any changes or replacements that can be easily thought by those skilled in the art within the technical range disclosed by the present application should be covered within the protection scope of the present application.

Claims

1. A pre-tightened 90-degree angle milling spindle holder with anti-loosening capability, characterized in that, The device includes an intermediate bearing mounting base, a tool changer retaining ring, a tool holder, and a gearbox body. The intermediate bearing mounting base is located at the upper end of the gearbox body. The tool changer retaining ring rotates at the upper end of the intermediate bearing mounting base. An anti-loosening groove is provided on the outer edge of the tool changer retaining ring. A connecting seat is provided on one side of the intermediate bearing mounting base. A tightening nut is elastically installed on the connecting seat. An anti-loosening pressure rod is hinged to the connecting seat. One end of the anti-loosening pressure rod is connected to the tightening nut, and the other end of the anti-loosening pressure rod is pressed into the anti-loosening groove. A transmission component is connected to the lower end of the gearbox body.

2. The anti-loosening 90-degree angle milling spindle holder with pre-tightening force according to claim 1, characterized in that, The connecting seat is provided with a nut movable groove, and a return spring is provided in the nut movable groove. The lower end of the tightening nut is connected to the return spring.

3. A pre-tightened anti-loosening 90-degree angle milling spindle holder with pre-tightening force according to claim 1, characterized in that, The connecting seat has a rotating shaft installed inside, and the anti-loosening pressure rod has a movable groove in the middle. The rotating shaft passes through the movable groove, and the anti-loosening pressure rod is connected to the tightening nut by a connecting shaft.

4. A pre-tightened anti-loosening 90-degree angle milling spindle holder according to claim 1, characterized in that, The outer end of the connector is fixed with a positioning pin.

5. A pre-tightened anti-loosening 90-degree angle milling spindle holder according to claim 1, characterized in that, The upper end of the handle is threaded with a pull stud.

6. A pre-tightened anti-loosening 90-degree angle milling spindle holder according to claim 1, characterized in that, The tool changing retaining ring has an internal mounting cavity. The lower end of the tool holder is connected to a drive gear, which is located at the lower end of the mounting cavity. The drive gear meshes with the transmission component for transmission.

7. A pre-tightened anti-loosening 90-degree angle milling spindle holder with pre-tightening force according to claim 6, characterized in that, The gearbox housing contains several driven gears that mesh with each other. The driving gear is connected to the uppermost driven gear, and the transmission component is connected to the lowermost driven gear.

8. A pre-tightened anti-loosening 90-degree angle milling spindle holder according to claim 1, characterized in that, The transmission component is a chuck, and the interior of the chuck passes through the center of the lowest driven gear.

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