CN202846158U - Numerical control all-in-one machine of hobbing and chamfering - Google Patents

Abstract

The utility model provides a numerically controlled gear hobbing and chamfering integrated machine, which belongs to the technical field of gear hobbing machines. It solves the problems of step-by-step completion of gear hobbing and chamfering and low processing accuracy in the prior art. This CNC gear hobbing and chamfering integrated machine includes a base and horizontal and vertical sliding seats arranged on the base. The horizontal sliding seat is equipped with a sliding table and a spindle box and a servo motor on the upper part of the sliding table. One of the longitudinal sliding seats is A hobbing tool is installed, and an arc-shaped rail slide seat is stacked on the other longitudinal slide seat. A double-knife chamfering mechanism is installed on the arc-shaped rail slide seat. The slide table, gear hobbing tool, and arc-shaped rail slide seat The stepper motor is controlled by the controller to drive the horizontal or vertical displacement, and an automatic tool setting mechanism connected with the controller is provided above the spindle on the headstock box. The utility model has the advantages of high degree of automation, one-step processing, reduced errors and improved production efficiency.

Description

CNC hobbing and chamfering machine

technical field

The utility model belongs to the technical field of gear hobbing machines, in particular to a digitally controlled gear hobbing and chamfering integrated machine. the

Background technique

At present, the CNC gear chamfering machines on the market usually use the CNC system to control the intermittent indexing of the workpiece gear, and control the reciprocating feeding and retracting of the tool. The work efficiency is not high, and the processing effect is not ideal. There are also some gears with better processing effect. Chamfering machine, but the structure of the equipment is relatively complicated, and the function is single. The hobbing and chamfering process of the gear needs to be completed step by step. During this process, the secondary clamping of the gear is prone to low machining accuracy due to inaccurate positioning. the

Contents of the invention

The purpose of the utility model is to provide a numerically controlled gear hobbing and chamfering integrated machine which can not only realize workpiece gear hobbing, but also realize automatic gear alignment of the workpiece. the

The purpose of this utility model is achieved in this way: the CNC hobbing and chamfering integrated machine includes a base and horizontal and vertical sliding seats arranged on the base, and is characterized in that: a sliding table is installed on the horizontal sliding seat and is located on the upper part of the sliding table. The main spindle box and servo motor, one of the longitudinal slides is equipped with a hobbing tool, the other longitudinal slide is stacked with an arc-shaped rail slide, and a double-knife chamfering mechanism is installed on the arc-shaped rail slide. The sliding table, gear hobbing tool, and arc rail sliding seat are all driven by the controller to control the stepping motor to drive the lateral or/and longitudinal displacement. An automatic tool setting mechanism connected to the controller is installed above the spindle on the headstock box . the

The above-mentioned main shaft is installed on one side of the box body and driven by a transmission mechanism and a servo motor, and a fixture is arranged at the front end of the main shaft. the

The specific structure of the above-mentioned double-knife chamfering mechanism is as follows: the knife shaft column is slidably connected to the arc rail slide seat, and the upper and lower chamfering tool slides are slidably connected to the knife shaft column by setting the slide rail, and the slide tables are respectively set There is a chamfering milling cutter driven by a motor and its fixture. the

The specific structure of the hobbing tool installed on the above-mentioned longitudinal sliding seat is: the longitudinal sliding seat is provided with a sliding table slidingly connected with it, and the sliding table is fixed with a hobbing tool sliding seat, and the hobbing tool passes through the sliding table and the hobbing tool. The sliding seat is slidingly connected, and the hobbing tool can move up and down in the vertical direction on the hobbing tool sliding seat. the

The specific structure of the above-mentioned automatic tool setting mechanism is: the upper part of the spindle box is equipped with a cylinder base, the front side of the cylinder base is vertically provided with a cylinder through support, the end of the cylinder piston rod is provided with a proximity switch, and the action of the cylinder is controlled by the controller. control. the

Compared with the prior art, the utility model has outstanding and beneficial technical effects as follows:

The utility model completes hobbing and tooth chamfering through one clamping, which avoids the error caused by two clampings in the step-by-step processing in the prior art. In this CNC gear hobbing and chamfering integrated machine, a The double-knife chamfering mechanism, in simple terms, is equipped with chamfering tools on the upper and lower sides of the gear, and realizes the lateral displacement of the workpiece through the horizontal slide seat and the slide table, and the spindle rotates one processing position each time it is pulled back. , The processing efficiency has been improved. In summary, the CNC hobbing and chamfering integrated machine has a high degree of automation, one-step processing, and improves production efficiency while reducing errors. the

Description of drawings

Fig. 1 is the structural representation of the utility model. the

Fig. 2 is a schematic structural view of the double-knife chamfering mechanism of the present invention. the

Fig. 3 is a right view of the utility model. the

Fig. 4 is a top view of the utility model. the

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings with specific embodiments, referring to Fig. 14:

CNC hobbing and chamfering integrated machine, including a base 1 and horizontal and vertical sliding seats arranged on the base, a sliding table 3, a spindle box 4 and a servo motor 5 arranged on the upper part of the sliding table 3 are installed on the horizontal sliding seat 2, wherein A hobbing tool 6 is installed on one longitudinal slide, and an arc-shaped rail slide 7 is stacked on the other longitudinal slide. A double-knife chamfering mechanism is installed on the arc-shaped rail slide. Tooth cutter 6, arc rail slide seat 7 all drive lateral or/and longitudinal displacement by controller control stepping motor, be positioned at the top of main shaft 8 on the headstock casing 4 and be provided with the automatic tool setting mechanism that links to each other with controller. the

The working principle of the utility model is realized in this way: the gear hobbing tool 6 completes the gear hobbing process through the longitudinal sliding seat and the workpiece on the tooling fixture at the front end of the main shaft. Move to the processing position through the longitudinal sliding seat, the workpiece spindle stops rotating and the headstock moves forward to the chamfering station, completes the chamfering process with the chamfering knife, the workpiece is pulled back and the spindle rotates to align the next tooth gap of the workpiece with the chamfering Corner knife, reciprocating to complete. the

The above-mentioned main shaft 8 is installed on one side of the box body and driven by a transmission mechanism and a servo motor 5, and a fixture is arranged at the front end of the main shaft. the

The specific structure of the above-mentioned double-knife chamfering mechanism is: the arc rail slide seat 7 is slidably connected with the knife shaft column 9, and the knife shaft column 9 is slidably connected with the upper and lower chamfering tool slides 10 by setting the slide rail 90, A chamfer milling cutter 12 driven by a motor 11 and a fixture thereof are respectively provided on the slide table. the

The specific structure of the gear hobbing tool installed on the above-mentioned longitudinal sliding seat is: the longitudinal sliding seat 13 is provided with a slide table 14 slidingly connected with it, the sliding table 14 is fixed with a gear hobbing tool slide seat 15, and the gear hobbing tool 6 passes through the slide The platform 16 is slidingly connected with the hobbing cutter slide 15, and the hobbing cutter 6 can move up and down in the vertical direction on the hobbing cutter slide 15. the

The concrete structure of above-mentioned automatic knife setting mechanism is: the top of spindle box 4 is equipped with cylinder base 17, and the front side of cylinder base is vertically provided with cylinder 18 by support, and the end of cylinder piston rod is provided with proximity switch 20, and the cylinder base Actions are controlled by controllers. The proximity switch 20 of the automatic tool setting mechanism is an induction terminal, which controls the pull-back stroke of the workpiece during the chamfering process. the

The foregoing embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. Therefore: all equivalent changes made according to the structure, shape, and principle of the present utility model should be covered by this utility model. within the scope of protection of utility models. the

Claims (5)

1. CNC gear hobbing and chamfering integrated machine, including base (1) and horizontal and vertical sliding seats arranged on the base, characterized in that: sliding table (3) is installed on the horizontal sliding seat (2) and is set on the sliding table (3) The spindle box (4) and the servo motor (5) on the upper part, a gear hobbing tool (6) is installed on one of the longitudinal sliding seats, and an arc-shaped rail sliding seat (7) is stacked on the other longitudinal sliding seat, A double-knife chamfering mechanism is installed on the arc-shaped rail slide seat, and the above-mentioned slide table (3), hobbing tool (6), and arc-shaped rail slide seat (7) are all controlled by the controller to drive the stepper motor to drive the horizontal or / and longitudinal displacement, an automatic tool setting mechanism connected with the controller is arranged above the main shaft (8) on the headstock box (4). 2. The CNC hobbing and chamfering integrated machine according to claim 1, characterized in that: the main shaft (8) is installed on one side of the box and driven by a transmission mechanism and a servo motor (5), and is located on the side of the main shaft. The front end is equipped with fixtures. 3. The CNC hobbing and chamfering integrated machine according to claim 1, characterized in that: the specific structure of the double-knife chamfering mechanism is: the arc rail slide seat (7) is slidably connected with the knife shaft column ( 9), the cutter shaft column (9) is slidably connected with the upper and lower chamfering tool slides (10) by setting the slide rail (90), and the slides are respectively provided with chamfering milling cutters driven by the motor (11) ( 12) and its fixtures. 4. The CNC hobbing and chamfering integrated machine according to claim 1, characterized in that: the specific structure of the hobbing tool installed on the longitudinal slide is: the longitudinal slide (13) is provided with a sliding connection with it The sliding table (14), the sliding table (14) is fixed with the hobbing tool sliding seat (15), the hobbing tool (6) is slidingly connected with the hobbing tool sliding seat (15) through the sliding table (16), and the hobbing tool Cutter (6) can do vertical up and down displacement on the hobbing tool slide (15). 5. The CNC gear hobbing and chamfering integrated machine according to claim 1, characterized in that: the specific structure of the automatic tool setting mechanism is: the upper part of the spindle box (4) is equipped with a cylinder base (17), and the cylinder base The front side of the cylinder is vertically provided with a cylinder (18) through the support, and the end of the piston rod of the cylinder is provided with a proximity switch (20), and the action of the cylinder is controlled by the controller.

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