CN214603404U

CN214603404U - Anticollision sword device of numerically controlled fraise machine

Info

Publication number: CN214603404U
Application number: CN202120292335.0U
Authority: CN
Inventors: 董国成
Original assignee: Nantong Zhengtong Machinery Technology Co ltd
Current assignee: Nantong Zhengtong Machinery Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-05
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to a numerically controlled fraise machine technical field just discloses a numerically controlled fraise machine's anticollision sword device, comprising a base plate, the equal fixedly connected with stand in both ends about the bottom plate bottom, the top fixedly connected with horizontal pole of stand, the surface sliding connection of horizontal pole has the headstock, the bottom fixedly connected with milling cutter of headstock, the equal fixedly connected with infra-red transmitter in both ends about the headstock, the equal fixedly connected with fixed plate in both ends about the bottom plate top, right side the right side fixedly connected with servo motor of fixed plate, servo motor's output shaft fixedly connected with screw rod. This numerically controlled fraise machine's anticollision sword device, overall structure is simple, when monitoring through the distance between milling cutter and the workstation, converts the revolving force of screw rod into the removal of workstation to through reducing the translation rate of workstation, thereby the effectual cutter probability that hits that has reduced avoids milling cutter to appear damaging, easy and simple to handle, convenient to use.

Description

Anticollision sword device of numerically controlled fraise machine

Technical Field

The utility model relates to a numerically controlled fraise machine technical field specifically is a numerically controlled fraise machine's anticollision sword device.

Background

The milling control machine is also called CNC milling machine, the CNC milling machine is an automatic processing device developed on the basis of a common milling machine, the processing technologies of the milling control machine and the milling machine are basically the same, and the structures of the milling control machine and the milling machine are also similar.

The numerically controlled milling machine is divided into two categories, namely a tool magazine without the numerically controlled milling machine and a tool magazine with the numerically controlled milling machine, wherein the numerically controlled milling machine with the tool magazine is also called as a machining center, the existing tool-collision prevention device of the numerically controlled milling machine on the market at present has the defect of inconvenience in use, when the numerically controlled milling machine is used for machining a workpiece, the milling cutter often moves too fast and directly impacts on the milling machine or the workpiece, the milling cutter is damaged, the service life of the milling cutter is prolonged, the maintenance cost is increased, the machined workpiece is easy to damage, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a numerically controlled fraise machine's anticollision sword device possesses advantages such as convenient to use, has solved numerically controlled fraise machine and is adding man-hour to the work piece, and milling cutter removal too fast often can appear, and direct striking not only causes the damage to milling cutter on milling machine or the work piece, has reduced milling cutter's life, has increased the maintenance cost, and destroys the work piece that is processed easily, has increased manufacturing cost's problem.

(II) technical scheme

In order to realize the purpose of convenient use, the utility model provides a following technical scheme: a crashproof cutter device of a numerical control milling machine comprises a bottom plate, wherein the left end and the right end of the bottom plate are fixedly connected with stand columns, the tops of the stand columns are fixedly connected with cross rods, the outer surface of each cross rod is connected with a spindle box in a sliding manner, the bottom of the spindle box is fixedly connected with a milling cutter, the left end and the right end of the spindle box are fixedly connected with infrared transmitters, the left end and the right end of the top of the bottom plate are fixedly connected with fixed plates, the right side of each fixed plate is fixedly connected with a servo motor, the output shaft of the servo motor is fixedly connected with a screw rod, the left end and the right end of the outer surface of the screw rod are in threaded connection with slide blocks, the tops of the slide blocks are hinged with connecting rods, the tops of the connecting rods are hinged with a workbench, the left end and the right end of the inner side of the workbench are fixedly connected with infrared receivers, the bottom of the bottom plate is fixedly connected with fixed seats positioned outside the screw rods, the top fixedly connected with buffer spring of fixing base, the equal fixedly connected with connecting rod in both ends about the workstation, two the equal fixedly connected with slide in bottom of the relative one side of stand.

Preferably, the milling cutter is located right above the workbench, and the servo motor, the infrared transmitter and the infrared receiver are all electrically connected with an external PLC controller.

Preferably, the left end and the right end of the outer surface of the screw rod are fixedly connected with threads in opposite directions, and the inner side of the sliding block is provided with a thread groove matched with the threads on the outer surface of the screw rod.

Preferably, the fixing seat is a U-shaped fixing seat, and the diameter of the inner side of the fixing seat is larger than that of the screw.

Preferably, the buffer spring is located at the center of the workbench, and the top of the buffer spring is fixedly connected with the bottom of the workbench.

Preferably, two the spout has all been seted up to the opposite one side of slide, the one end that the workstation was kept away from to the connecting rod is located the inside of spout and with spout sliding connection.

(III) advantageous effects

Compared with the prior art, the utility model provides a numerically controlled fraise machine's anticollision sword device possesses following beneficial effect:

the utility model relates to a cutter collision prevention device of a numerical control milling machine, which is provided with an infrared emitter and an infrared receiver which are matched with each other to monitor the distance between a milling cutter and a workbench in real time, simultaneously, an output shaft of a servo motor rotates forwards and backwards and drives a screw to rotate forwards and backwards, the left end and the right end of the outer surface of the screw are fixedly connected with threads with opposite directions, the inner side of a slide block is provided with a thread groove matched with the threads on the outer surface of the screw, the slide block is limited by a connecting rod and a slide way to do circular motion along with the screw by the connecting rod, the two slide blocks move towards one side opposite or back to back, and the workbench is driven to move upwards and downwards by the connecting rod, so that a workpiece is close to the milling cutter, the arrangement of a spring can reduce the moving speed of the workbench, the workpiece is prevented from approaching to the milling cutter too fast, the cutter collision phenomenon occurs, meanwhile, the connecting rod rubs with the slide way to further reduce the moving speed of the workbench, the device overall structure is simple, when monitoring through the distance between to milling cutter and the workstation, converts the revolving force of screw rod into the removal of workstation to reduce through the translation rate with the workstation, thereby effectually reduced and hit the sword probability, avoid milling cutter to appear the damage, easy and simple to handle, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the fixing base and the screw rod of the present invention;

fig. 3 is a perspective view of the connecting rod and the slideway of the utility model.

In the figure: the device comprises a base plate 1, upright columns 2, a cross rod 3, a spindle box 4, a milling cutter 5, an infrared emitter 6, a fixing plate 7, a servo motor 8, a screw rod 9, a sliding block 10, a connecting rod 11, an infrared receiver 12, a workbench 13, a fixed seat 14, a buffer spring 15, a connecting rod 16 and a slideway 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a cutter collision prevention device of a numerically controlled milling machine comprises a base plate 1, wherein the left and right ends of the bottom of the base plate 1 are fixedly connected with upright columns 2, the top of each upright column 2 is fixedly connected with a cross rod 3, the outer surface of the cross rod 3 is slidably connected with a spindle box 4, the bottom of the spindle box 4 is fixedly connected with a milling cutter 5, the left and right ends of the spindle box 4 are fixedly connected with infrared emitters 6, the left and right ends of the top of the base plate 1 are fixedly connected with fixing plates 7, the right side of the right fixing plate 7 is fixedly connected with a servo motor 8, an output shaft of the servo motor 8 is fixedly connected with a screw 9, the left side of the screw 9 is movably connected with the right side of the left fixing plate 7, the left and right ends of the outer surface of the screw 9 are both in threaded connection with sliders 10, the left and right ends of the outer surface of the screw 9 are both fixedly connected with opposite threads, and the inner side of the sliders 10 is provided with thread grooves matched with the outer surface of the screw 9, a connecting rod 11 is hinged to the top of the sliding block 10, a workbench 13 is hinged to the top of the connecting rod 11, the milling cutter 5 is located right above the workbench 13, the servo motor 8, the infrared emitter 6 and the infrared receiver 12 are all electrically connected with an external PLC, the infrared receiver 12 is fixedly connected to the left end and the right end of the inner side of the workbench 13, a fixing seat 14 located on the outer side of the screw rod 9 is fixedly connected to the bottom of the bottom plate 1, the fixing seat 14 is a U-shaped fixing seat, the diameter of the inner side of the fixing seat 14 is larger than that of the screw rod 9, a buffer spring 15 is fixedly connected to the top of the fixing seat 14, the buffer spring 15 is located at the center of the workbench 13, the top of the buffer spring 15 is fixedly connected to the bottom of the workbench 13, connecting rods 16 are fixedly connected to the left end and the right end of the workbench 13, a chute is formed in the opposite side of each of the two slideways 17, one end, far away from the workbench 16 is located in the chute and is in sliding connection with the chute, the bottoms of the opposite sides of the two upright posts 2 are fixedly connected with slideways 17.

In conclusion, the anti-collision device of the numerically controlled milling machine can monitor the distance between the milling cutter 5 and the workbench 13 in real time by arranging the infrared emitter 6 and the infrared receiver 12 which are matched with each other, simultaneously, the output shaft of the servo motor 8 rotates forwards and backwards and drives the screw rod 9 to rotate forwards and backwards, the left end and the right end of the outer surface of the screw rod 9 are fixedly connected with threads in opposite directions, the inner side of the slide block 10 is provided with a thread groove matched with the threads on the outer surface of the screw rod 9, the slide block 10 is limited by the connecting rod 16 and the slide way 17 to move along the screw rod 9 in a circular motion, the two slide blocks 10 move towards opposite or opposite sides and drive the workbench 13 to move upwards and downwards through the connecting rod 11, so that a workpiece approaches the milling cutter 5, the arrangement of the spring 15 can reduce the moving speed of the workbench 13 and avoid that the workpiece is driven to approach the milling cutter 5 too fast to cause a cutter collision phenomenon, meanwhile, the connecting rod 16 is in friction with the slide way 17, the moving speed of the workbench 13 is further reduced, the whole structure of the device is simple, the distance between the milling cutter 5 and the workbench 13 is monitored, the rotating force of the screw 9 is converted into the moving speed of the workbench 13, and the moving speed of the workbench 13 is reduced, so that the cutter collision probability is effectively reduced, the milling cutter 5 is prevented from being damaged, the operation is simple and convenient, the use is convenient, the problem that the milling cutter is frequently moved too fast when a workpiece is machined by a numerical control milling machine and directly impacts on the milling machine or the workpiece is solved, the damage is caused to the milling cutter, the service life of the milling cutter is shortened, the maintenance cost is increased, the machined workpiece is easily damaged, and the production cost is increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crashproof sword device of numerically controlled fraise machine, includes bottom plate (1), its characterized in that: the novel milling machine is characterized in that the left end and the right end of the bottom plate (1) are fixedly connected with columns (2), the top of each column (2) is fixedly connected with a cross rod (3), the outer surface of each cross rod (3) is connected with a spindle box (4) in a sliding manner, the bottom of each spindle box (4) is fixedly connected with a milling cutter (5), the left end and the right end of each spindle box (4) are fixedly connected with infrared emitters (6), the left end and the right end of the top of the bottom plate (1) are fixedly connected with fixing plates (7), the right side of each fixing plate (7) is fixedly connected with a servo motor (8), an output shaft of each servo motor (8) is fixedly connected with a screw rod (9), the left end and the right end of the outer surface of each screw rod (9) are connected with sliding blocks (10) in a threaded manner, the tops of the sliding blocks (10) are hinged with connecting rods (11), and the tops of the connecting rods (11) are hinged with a working table (13), workstation (13) inboard about both ends equal fixedly connected with infrared receiver (12), the bottom fixedly connected with of bottom plate (1) is located fixing base (14) in screw rod (9) outside, the top fixedly connected with buffer spring (15) of fixing base (14), workstation (13) about both ends equal fixedly connected with connecting rod (16), two the equal fixedly connected with slide (17) in bottom of the relative one side of stand (2).

2. The utility model provides a crashproof sword device of numerically controlled fraise machine according to claim 1 which characterized in that: milling cutter (5) are located workstation (13) directly over, servo motor (8), infrared transmitter (6) and infrared receiver (12) all are connected with outside PLC controller electricity.

3. The utility model provides a crashproof sword device of numerically controlled fraise machine according to claim 1 which characterized in that: the left end and the right end of the outer surface of the screw rod (9) are fixedly connected with threads in opposite directions, and the inner side of the sliding block (10) is provided with a thread groove matched with the threads on the outer surface of the screw rod (9).

4. The utility model provides a crashproof sword device of numerically controlled fraise machine according to claim 1 which characterized in that: the fixing seat (14) is a U-shaped fixing seat, and the diameter of the inner side of the fixing seat (14) is larger than that of the screw (9).

5. The utility model provides a crashproof sword device of numerically controlled fraise machine according to claim 1 which characterized in that: the buffer spring (15) is positioned at the center of the workbench (13), and the top of the buffer spring (15) is fixedly connected with the bottom of the workbench (13).

6. The utility model provides a crashproof sword device of numerically controlled fraise machine according to claim 1 which characterized in that: two the spout has all been seted up to the one side that slide (17) are relative, the one end that workstation (13) were kept away from in connecting rod (16) is located the inside of spout and with spout sliding connection.