CN215747708U

CN215747708U - Milling and grinding combined machine tool for straight blade cutter

Info

Publication number: CN215747708U
Application number: CN202023038457.1U
Authority: CN
Inventors: 张小季; 张明
Original assignee: JIANGSU BEISITE NC MACHINERY CO Ltd
Current assignee: JIANGSU BEISITE NC MACHINERY CO Ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2022-02-08
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a milling and grinding combined machine tool of a straight blade cutter, which comprises a machine body and a linear guide rail pair, wherein a material grabbing manipulator, a milling head component and a grinding power head are slidably supported on the linear guide rail pair; a sliding seat lifting motor arranged on the milling head upright post drives a motor sliding seat and a milling cutter hinging sliding seat to slide on the milling head upright post through a lifting lead screw; a milling motor is arranged on the motor sliding seat, an output shaft of the milling motor is connected with a milling cutter shaft through a universal coupling, and a milling cutter is arranged at the lower end of the milling cutter shaft; the milling cutter shaft is supported on a milling cutter shaft hinged ball seat through a milling cutter shaft sliding seat, and the milling cutter shaft hinged ball seat is rotatably arranged on the milling cutter hinged sliding seat. The milling and grinding combined machine tool can not only grind and machine the blade blank, but also mill and machine, and has the characteristics of reasonable structure and high production and machining efficiency.

Description

Milling and grinding combined machine tool for straight blade cutter

Technical Field

The utility model relates to a metal cutting machine tool, in particular to a machine tool for cutting a straight cutter body plane and a cutter edge blade surface.

Background

The strip-shaped straight knife has wide application in the industries of paper making, printing, spinning, fiber, food, forestry, plastics, wood industry and the like. The plane of the blade body and the inclined plane of the cutting edge of the straight knife must be mechanically cut in the production and manufacturing process of the strip-shaped straight knife, the grinding processing of the straight knife is usually carried out by a surface grinding machine or a special straight knife grinding machine similar to the surface grinding machine, the plane of the blade body and the inclined plane of the cutting edge to be ground are ground by two procedures in the grinding process, the straight knife can be placed on an electromagnetic chuck of a workbench for direct grinding when the plane of the blade body is ground, the inclined plane of the cutting edge needs to be clamped by a special clamp to enable the inclined plane of the cutting edge to be in a horizontal state, so that the grinding of the plane and the cutting edge needs to be carried out twice clamping, the production efficiency is low, and the quality is not easy to guarantee; in the grinding process, the machine is stopped, the relevant size of the ground straight cutter is manually measured, and the feed amount is determined according to the measurement result until the required size and precision are achieved, so that the precision control mode is greatly influenced by the technical level, the measurement error and the like of an operator, the machining precision is difficult to guarantee, and the same efficiency is very low; in addition, in the machining process, feeding and discharging of the straight blade to be ground are carried out manually by operators, so that the labor intensity is high, the carrying speed is low, and the efficiency is low.

In order to improve the grinding precision of the straight blade cutter and realize automatic feeding and discharging and automatic grinding precision detection, the applicant discloses an invention patent application of a straight blade knife sharpener in 2018.12.28, and the application numbers are as follows: 201811624726.7, the knife sharpener in the patent application is characterized in that a grinding head component and a material grabbing manipulator which can slide are arranged on a guide rail pair of a lathe bed, a workbench component for clamping a sheet-shaped tool to be ground is also arranged on the lathe bed, the knife sharpener can realize the up-and-down material taking operation of the straight tool to be ground through the material grabbing manipulator, a special grabbing and feeding tool is not needed, and the operation efficiency is greatly improved. Meanwhile, the grinding head assembly meets the grinding requirement of the straight cutter, and the size precision and position precision sensors in the grinding head assembly realize the precision control of the grinding cutter and ensure the grinding quality of the cutter. Although the straight knife sharpener has high grinding precision, the sharpener has small grinding feed amount, and particularly needs to consume long grinding time for rough grinding of the knife edge face of the knife body plane knife edge, so that the sharpener can only carry out fine grinding processing on the blade and cannot carry out quick rough processing on a blade blank, the production efficiency is greatly influenced, and the production efficiency of the blade is directly influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects in the prior art, the utility model aims to provide a straight blade cutter milling and grinding combined machine tool which can not only grind blade blanks, but also mill and process the blade blanks.

In order to solve the technical problem, the combined milling and grinding machine tool for the straight blade cutter comprises a machine body and a linear guide rail pair arranged on the machine body, wherein a material grabbing mechanical arm, a milling head assembly and a grinding power head are slidably supported on the linear guide rail pair; a sliding seat lifting motor arranged on the top surface of the milling head upright post drives a motor sliding seat and a milling cutter hinged sliding seat to slide up and down on the milling head upright post through a lifting lead screw, and the motor sliding seat and the milling cutter hinged sliding seat are fixedly connected with each other; a milling motor is arranged on the motor sliding seat, an output shaft of the milling motor is connected with a milling cutter shaft through a universal coupling, and a milling cutter is arranged at the lower end of the milling cutter shaft; the milling cutter shaft is supported on the milling cutter shaft hinged ball seat through the milling cutter shaft sliding seat, and the milling cutter shaft hinged ball seat is rotatably arranged on the milling cutter hinged sliding seat.

In the structure, the milling head assembly and the grinding power head are slidably supported on the machine tool body, so that the milling processing can be firstly carried out on the cutter body plane and the cutter edge plane of the blade blank during the cutting processing, and then the accurate grinding processing is carried out after the milling processing is finished, thereby greatly improving the machining efficiency of the blade and fully ensuring the processing precision of the blade. The milling head upright post is provided with the motor sliding seat and the milling cutter hinging and supporting sliding seat in a sliding way along the vertical direction, and the milling cutter shaft provided with the milling cutter is arranged on the milling cutter hinging and supporting sliding seat through the milling cutter shaft sliding sleeve and the milling cutter shaft hinging and supporting ball seat, so that the milling cutter shaft and the milling cutter thereon can be adjusted in all directions at all angles to complete plane milling in different directions and different inclination angles, and the processing requirements of processing surfaces with different complex shapes can be further met; install the slide elevator motor on milling head stand top surface and pass through elevating screw driving motor slide and milling cutter hinge slide again, can let milling cutter be close the milling plane of cutter blank fast like this through elevating screw, both adapted to the cutter machining requirement of different thickness, not unidimensional, improve the cutting machining efficiency of cutter again.

In a further embodiment of the present invention, the universal coupling is a cross-axle type universal coupling, and the milling cutter shaft hinged ball seat is in a spherical structure. The milling motor output shaft and the milling cutter shaft are driven by an included angle, omnidirectional milling can be performed, and the structure is compact and the transmission efficiency is high.

In a further embodiment of the present invention, the lower half part of the milling cutter shaft hinged ball seat is installed in a spherical crown shaped pit on the milling cutter hinged sliding seat, and the upper half part of the milling cutter shaft hinged ball seat is clamped on the clamping pressure plate, and the clamping pressure plate is connected with the milling cutter hinged sliding seat through a clamping bolt. And a clamping handle is arranged on the clamping bolt. The milling angle of the milling cutter shaft and the milling cutter can be conveniently adjusted and locked.

In a further embodiment of the present invention, the motor slide is located above the milling cutter hinge support slide, and the motor slide and the milling cutter hinge support slide are fixedly connected into a whole. Simple structure and convenient sliding adjustment.

In a preferred embodiment of the utility model, the milling cutter is a face milling cutter. The lathe bed is provided with two linear guide rail pairs which are parallel to each other, a workbench is further installed on the lathe bed, and the two linear guide rail pairs which are parallel to each other are respectively located on two sides of the workbench. The plane milling of the blade blank and the clamping and fixing of the blade blank are facilitated.

In a preferred embodiment of the utility model, the grinding power head comprises a grinding head moving base, a grinding head motor is movably mounted on the grinding head moving base, and a grinding wheel is mounted on an output shaft of the grinding head motor. And grinding the tool blank.

In a preferred embodiment of the present invention, a lateral linear guide pair is further installed on one side surface of the bed, and the material grabbing manipulator is slidably supported on the linear guide pair and the lateral linear guide pair. The machine tool is provided with the gear and rack pair, the gear and rack pair drives the material grabbing manipulator to move along the linear guide rail pair (and the lateral linear guide rail pair, so that automatic feeding and discharging are conveniently realized, and the production efficiency of the machine tool is improved.

Drawings

The utility model will be further explained with reference to the drawings and the detailed description of the utility model.

FIG. 1 is a schematic front view of one embodiment of the milling and grinding combined machine tool for the straight blade cutter of the present invention;

FIG. 2 is a schematic diagram of a mounting structure of a grinding power head on a lathe bed in the embodiment shown in FIG. 1;

FIG. 3 is a schematic diagram of the installation structure of the material grabbing manipulator on the bed in the embodiment shown in FIG. 1;

FIG. 4 is a schematic view of a mounting structure of the milling head assembly on the bed in the embodiment of FIG. 1;

fig. 5 is a left side view of the structure of fig. 4.

Reference numbers in the figures: 1-lathe bed, 2-material grabbing manipulator, 3-linear guide rail pair, 4-milling head assembly, 41-milling head upright column, 42-sliding seat lifting motor, 43-lifting screw rod, 44-milling motor, 45-motor sliding seat, 46-universal coupling, 47-milling cutter shaft, 48-milling cutter shaft sliding sleeve, 49-milling cutter shaft hinged ball seat, 410-milling cutter hinged sliding seat, 411-milling cutter, 412-clamping bolt, 413-clamping pressure plate and 414-clamping handle.

Detailed Description

In the milling and grinding combined machine tool of the straight blade cutter shown in fig. 1, the milling and grinding combined machine tool comprises a machine body 1 and two mutually parallel linear guide rail pairs 3 arranged on the machine body 1, wherein a material grabbing manipulator 2, a milling head assembly 4 and a grinding power head 5 are slidably supported on the linear guide rail pairs 3; two linear guide pairs 3 that are parallel to each other are installed respectively in 1 top surface left and right sides of lathe bed, and workstation 6 is located about between two lathe bed linear guide pairs 3, and workstation 6 includes the workstation body, and fixed mounting has electromagnet on the workstation body, is provided with the workstation pivot on the workstation body, and the workstation pivot sets up along this length direction of workstation body, and workstation 6 is used for placing the straight sword blank of treating the grinding.

As shown in fig. 2, the grinding power head 5 includes a grinding head moving base, the grinding head moving base is fixedly connected with the sliding blocks of the two bed linear guide rail pairs 3, a grinding head base driving device is arranged on the grinding head moving base, a grinding head feeding motor is arranged on the grinding head moving base, a grinding head motor is arranged on the grinding head sliding base through a grinding head mounting plate, and a grinding wheel for grinding is arranged on an output shaft of the grinding head motor. A bed rack is arranged on one side of the bed 1, a grinding head base driving device is a motor with a speed reducing mechanism, a gear is arranged on an output shaft of the speed reducing mechanism, and the grinding head base driving device is in transmission connection with the bed rack through the gear so as to drive a grinding power head 5 to run on the bed 1. Still be equipped with position sensor on bistrique moving base, position sensor is for being equipped with grating scale pulse system's high accuracy contact digital sensor, and it has superstrong environmental resistance, also can normally use in the environment that water/oil splashes, and position sensor can conveniently adjust height position and control horizontal position and move in the electromagnetic chuck top along with bistrique moving base, can carry out the grinding precision measurement as required at any time.

As shown in fig. 3, a lateral linear guide pair 8 is installed on a side surface of one side of the bed body 1, the lateral linear guide pair 8 and a rack gear pair 7 are located on the same side of the bed body 1, the material grabbing manipulator 2 is slidably supported on the lateral linear guide pair 8 and the bed linear guide pair 3 on the same side through a manipulator moving base, a manipulator base driving device is installed on the manipulator moving base, the manipulator base driving device is a motor with a speed reducing mechanism, a gear is installed on an output shaft of the speed reducing mechanism, and the manipulator base driving device is in transmission connection with the bed body rack through the gear to drive the material grabbing manipulator 2 to move along the length direction of the bed body 1. In the working process of the combined machine tool, the material grabbing manipulator 2 grabs the straight knife to move front and back, left and right among the blank feeding point, the electromagnetic chuck and the storage point after grinding through the material grabbing electromagnetic chuck, so that feeding and discharging conveying operation before and after grinding of the straight knife is conveniently realized.

The milling head assembly 4 shown in fig. 4 and 5 includes a milling head column 41 slidably supported on the linear guide pair 3, and the linear guide pair 3 is a general linear guide product; the linear guide rail pair 3 on the lathe bed 1 is provided with two linear guide rails which are parallel to each other, the lathe bed 1 is also provided with a workbench 6, and the two linear guide rail pairs 3 which are parallel to each other are respectively positioned at two sides of the workbench 6. A motor sliding seat 45 and a milling cutter hinged sliding seat 410 are supported on the milling head upright post 41 in a sliding manner along the vertical direction, the motor sliding seat 45 is positioned above the milling cutter hinged sliding seat 410, and the motor sliding seat 45 and the milling cutter hinged sliding seat 410 are fixedly connected into a whole; the slide lifting motor 42 mounted on the top surface of the milling head upright post 41 drives the motor slide 4 and the milling cutter hinge slide 410 to slide up and down on the milling head upright post 41 through the lifting screw rod 4, and the motor slide 45 and the milling cutter hinge slide 410 are fixedly connected with each other. A milling motor 44 is mounted on the motor slide 45, an output shaft of the milling motor 44 is connected with a milling cutter shaft 47 through a universal coupling 46, the universal coupling 46 adopts a cross-axle type universal coupling, a milling cutter 411 is mounted at the lower end of the milling cutter shaft 47, the milling cutter 411 is a face milling cutter, and the milling cutter 411 can be a cylindrical milling cutter, an end milling cutter, a three-edge milling cutter or a rotary milling cutter. The milling cutter shaft 47 is supported on a milling cutter shaft hinged ball seat 49 through a milling cutter shaft sliding sleeve 48, and the milling cutter shaft hinged ball seat 49 is of a spherical structure. The milling cutter shaft hinged ball seat 49 is rotatably arranged on the milling cutter hinged sliding seat 410, the lower half part of the milling cutter shaft hinged ball seat 49 is arranged in a spherical crown shaped pit on the milling cutter hinged sliding seat 410, the upper half part of the milling cutter shaft hinged ball seat 49 is clamped on the clamping pressure plate 413, the clamping pressure plate 413 is connected with the milling cutter hinged sliding seat 40 through a clamping bolt 412, and a clamping handle 414 is arranged on the clamping bolt 412.

The present invention is not limited to the above embodiments, and many modifications and changes may be made without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a straight piece cutter milling combined machine tool, includes lathe bed (1) and installs linear guide pair (3) on lathe bed (1), sliding support has grabbing material manipulator (2), milling head subassembly (4) and grinding unit head (5) on linear guide is vice (3), its characterized in that: the milling head assembly (4) comprises a milling head upright post (41) which is slidably supported on the linear guide rail pair (3), and a motor sliding seat (45) and a milling cutter hinging sliding seat (410) are slidably supported on the milling head upright post (41) along the vertical direction; a sliding seat lifting motor (42) arranged on the top surface of the milling head upright post (41) drives a motor sliding seat (45) and a milling cutter hinging sliding seat (410) to slide up and down on the milling head upright post (41) through a lifting lead screw (43), and the motor sliding seat (45) and the milling cutter hinging sliding seat (410) are fixedly connected with each other; a milling motor (44) is arranged on the motor sliding seat (45), an output shaft of the milling motor (44) is connected with a milling cutter shaft (47) through a universal coupling (46), and a milling cutter (411) is arranged at the lower end of the milling cutter shaft (47); the milling cutter shaft (47) is supported on a milling cutter shaft hinged ball seat (49) through a milling cutter shaft sliding sleeve (48), and the milling cutter shaft hinged ball seat (49) is rotatably arranged on a milling cutter hinged sliding seat (410).

2. The straight blade tool milling and grinding combined machine tool according to claim 1, characterized in that: the universal coupling (46) is a cross-axle type universal coupling, and the milling cutter shaft hinged ball seat (49) is of a spherical structure.

3. The straight blade tool milling and grinding combined machine tool according to claim 1 or 2, characterized in that: the lower half part of the milling cutter shaft hinged ball seat (49) is arranged in a spherical crown-shaped pit on the milling cutter hinged sliding seat (410), the upper half part of the milling cutter shaft hinged ball seat (49) is clamped on a clamping pressure plate (413), and the clamping pressure plate (413) is connected with the milling cutter hinged sliding seat (410) through a clamping bolt (412).

4. The straight blade tool milling and grinding combined machine tool according to claim 3, characterized in that: and a clamping handle (414) is arranged on the clamping bolt (412).

5. The straight blade tool milling and grinding combined machine tool according to claim 1, characterized in that: the motor sliding seat (45) is positioned above the milling cutter hinged sliding seat (410), and the motor sliding seat (45) and the milling cutter hinged sliding seat (410) are fixedly connected into a whole.

6. The straight blade tool milling and grinding combined machine tool according to claim 1, characterized in that: the milling cutter (411) is a face milling cutter.

7. The straight blade tool milling and grinding combined machine tool according to claim 1, characterized in that: the machine tool is characterized in that two linear guide rail pairs (3) which are parallel to each other are arranged on the machine tool body (1), a workbench (6) is further installed on the machine tool body (1), and the two linear guide rail pairs (3) which are parallel to each other are respectively located on two sides of the workbench (6).

8. The straight blade tool milling and grinding combined machine tool according to claim 1, characterized in that: the grinding power head (5) comprises a grinding head moving base, a grinding head motor is movably mounted on the grinding head moving base, and a grinding wheel is mounted on an output shaft of the grinding head motor.

9. The straight blade tool milling and grinding combined machine tool according to claim 1, characterized in that: a lateral linear guide rail pair (8) is further mounted on one side face of the lathe bed (1), and the material grabbing manipulator (2) is supported on the linear guide rail pair (3) and the lateral linear guide rail pair (8) in a sliding mode.

10. The straight blade tool milling and grinding combined machine tool according to claim 1 or 9, characterized in that: the material grabbing mechanical arm is characterized in that a rack-and-pinion (7) is arranged on the machine body (1), and the rack-and-pinion (7) drives the material grabbing mechanical arm (2) to move along the linear guide rail pair (3) and the lateral linear guide rail pair (8).