CN111922778A

CN111922778A - Safety device for digit control machine tool

Info

Publication number: CN111922778A
Application number: CN202011073908.7A
Authority: CN
Inventors: 陈章良; 史俊伟
Original assignee: Shandong Technology and Business University
Current assignee: Jiangsu Dost Intelligent Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2020-11-13
Anticipated expiration: 2040-10-10
Also published as: CN111922778B

Abstract

The invention relates to the technical field of machining, in particular to a safety protection device for a numerical control machine tool, which comprises a fixed frame, a fixed plate, a movable block and a protection plate, wherein a bidirectional screw rod is arranged in the fixed frame, two ends of the bidirectional screw rod are respectively and rotatably connected with the side wall of the fixed frame, the movable block is sleeved on the bidirectional screw rod, the protection plate is fixedly connected with the lower surface of the movable block, a liquid storage tank is fixedly connected with the top of the fixed frame, a hollow rotating shaft is arranged at the top of the fixed frame, a spray head is arranged at the lower end of the hollow rotating shaft, a temperature sensor is also arranged in the fixed frame, the fixed plate is fixedly connected with the bottom of the fixed frame, a fixing mechanism is arranged at the bottom of the fixed plate, and by arranging the adjustable, can adjust the interval between two guard plates, utilize the guard plate can block the iron fillings that fly apart everywhere in the digit control machine tool course of working.

Description

Safety device for digit control machine tool

Technical Field

The invention relates to the technical field of machining, in particular to a safety protection device for a numerical control machine tool.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier.

The existing numerical control machine-mounted protective device is inconvenient to install, the distance between the protective plates cannot be adjusted, and the use requirements of people cannot be met.

Disclosure of Invention

The invention aims to provide a safety protection device for a numerical control machine tool, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a safety protection device for a numerical control machine tool comprises a fixing frame, a fixing plate, two moving blocks and a protection plate, wherein a bidirectional lead screw is arranged in the fixing frame, two ends of the bidirectional lead screw are respectively rotatably connected with the side wall of the fixing frame, the two bidirectional lead screws are sleeved with the moving blocks, the two moving blocks are symmetrically arranged in the left and right directions, the moving blocks are in threaded connection with the bidirectional lead screws, the upper surface of each moving block is in sliding connection with the top of the fixing frame, the lower surface of each moving block is fixedly connected with the protection plate, the top of the fixing frame is fixedly connected with a liquid storage tank, a booster pump is arranged in the liquid storage tank, a hollow rotating shaft is arranged at the top of the fixing frame, a spray head is arranged at the lower end of the hollow rotating shaft, a rotary joint is arranged at the top of, the bottom of the fixed plate is provided with a fixed mechanism.

Further: the top fixedly connected with adjusting motor of mount, adjusting motor's axle stretch the end and pass the top of mount and stretch into the mount, adjusting motor's axle stretch the end and be connected with the middle part of two-way lead screw through first bevel gear group.

Further: the adjusting motor is a positive and negative rotation motor.

Further: the utility model discloses a safety protection device, including guard plate, buffer plate, spring, the both ends of spring are connected with guard plate, buffer plate respectively.

Further: the upper surface of the fixing frame is also fixedly connected with a driving motor, and the shaft extension end of the driving motor is connected with the hollow rotating shaft through a second bevel gear set.

Further: fixed establishment includes telescopic machanism, the slider, first connecting rod, the second connecting rod and installation stabilizer blade, the lower fixed surface of fixed plate is connected with telescopic machanism, telescopic machanism's extension end fixedly connected with slider, the lower surface of fixed plate articulates there is first connecting rod, the lower extreme of first connecting rod articulates there is the installation stabilizer blade, the lower surface of fixed plate still articulates there is the second connecting rod, the second connecting rod is the same with first connecting rod size, and the second connecting rod parallels each other with first connecting rod, the lower extreme of second connecting rod is articulated with the installation stabilizer blade, the lower surface of slider articulates there is the bracing piece, the lower extreme of bracing piece is articulated with the middle part of.

Further: the telescopic mechanism is an electric hydraulic telescopic cylinder.

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: in the embodiment of the invention, the adjustable fixing mechanism is arranged, the distance between the two mounting support legs can be adjusted according to actual mounting requirements, the mounting operation is convenient to carry out, the distance between the two protection plates can be adjusted by utilizing the adjusting motor, the iron scraps scattered around in the machining process of the numerical control machine can be blocked by utilizing the protection plates, the personal safety of workers is protected, the buffer plate can play a role in buffering, the iron scraps are further prevented from scattering around, the safety is further improved, the temperature of parts in the machining process of the numerical control machine is monitored in real time by utilizing the temperature sensor, when the temperature is too high, cooling liquid is conveyed to the spray head by utilizing the booster pump and is sprayed on the parts to cool the parts, and the problems that the existing numerical control machine mounting protection device is inconvenient to mount and the distance between the protection plates is not adjustable are solved.

Drawings

FIG. 1 is a schematic structural view of a safety protection device for a numerically controlled machine tool;

FIG. 2 is a schematic structural view of a fixing mechanism in the safety device for a numerically controlled machine tool;

fig. 3 is a perspective view of a guard plate in the safety guard for the numerical control machine.

The reference numerals in the schematic drawings illustrate: 1-a fixed mount; 2, fixing a plate; 3-a telescoping mechanism; 4-a slide block; 5-a first link; 6-a second link; 7-mounting support legs; 8-a support bar; 9-a bidirectional screw rod; 10-adjusting the motor; 11-a first bevel gear set; 12-a moving block; 13-protective plate; 14-a buffer plate; 15-a spring; 16-a liquid storage tank; 17-a hollow rotating shaft; 18-a spray head; 19-a drive motor; 20-a second bevel gear set; 21-a spin-on joint; 22-a water conveying pipe; 23-temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.

In the description of the present invention, it is to be understood that the term "center". The orientations or positional relationships indicated by "length," "width," "height," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like are based on the orientations or positional relationships shown in fig. 1 and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, in the embodiment of the present invention, a safety protection device for a numerical control machine tool includes a fixed frame 1, a fixed plate 2, a moving block 12 and a protection plate 13, a bidirectional screw rod 9 is installed inside the fixed frame 1, two ends of the bidirectional screw rod 9 are rotatably connected to side walls of the fixed frame 1, an adjustment motor 10 is fixedly connected to a top of the fixed frame 1, the adjustment motor 10 is a forward and reverse rotation motor, a shaft extension end of the adjustment motor 10 penetrates through the top of the fixed frame 1 and extends into the fixed frame 1, a shaft extension end of the adjustment motor 10 is connected to a middle portion of the bidirectional screw rod 9 through a first bevel gear set 11, the forward and reverse rotation of the adjustment motor 10 is controlled to drive the bidirectional screw rod 9 to rotate forward and reverse, the moving block 12 is sleeved on the bidirectional screw rod 9, two moving blocks 12 are symmetrically arranged in a left-right manner, the moving block, when the bidirectional screw 9 rotates, the movable blocks 12 can be driven to move transversely, the distance between the two movable blocks 12 is adjusted, the lower surfaces of the movable blocks 12 are fixedly connected with the protective plate 13, one side of the protective plate 13 is provided with the buffer plate 14, springs 15 are distributed between the buffer plate 14 and the protective plate 13, two ends of each spring 15 are respectively connected with the protective plate 13 and the buffer plate 14, the protective plate 13 can block iron filings scattered all around in the machining process of the numerical control machine tool, the personal safety of workers is protected, the buffer plate 14 can play a role in buffering, the iron filings are further prevented from splashing all around, the top of the fixed frame 1 is fixedly connected with the liquid storage tank 16, the liquid storage tank 16 is used for storing cooling liquid, the inside of the liquid storage tank 16 is provided with the booster pump, the top of the fixed frame 1 is provided with the hollow rotating shaft 17, the shower nozzle 18 is installed to the lower extreme of hollow rotating shaft 17, hollow rotating shaft 17 and shower nozzle 18 intercommunication, the joint 21 that leads to soon is installed at the top of hollow rotating shaft 17, the delivery port of booster pump passes through raceway 22 and leads to the joint 21 intercommunication soon in the liquid reserve tank 16, temperature sensor 23 is still installed to the inside of mount 1, utilize temperature sensor 23 real-time supervision digit control machine tool machining in-process spare part's temperature, when the high temperature, start the booster pump, carry the coolant liquid to shower nozzle 18, spray on the spare part, cool down the spare part, the upper surface of mount 1 still fixedly connected with driving motor 19, the shaft extension end of driving motor 19 is connected with hollow rotating shaft 17 through second bevel gear set 20, start driving motor 19, drive hollow rotating shaft 17 and rotate, thereby drive shower nozzle 18 synchronous rotation, increase the scope of spraying of coolant liquid, improve the cooling effect.

Example 2

On the basis of embodiment 1, the bottom of the fixing frame 1 is fixedly connected with two fixing plates 2, the two fixing plates 2 are arranged symmetrically left and right, the bottom of the fixing plate 2 is provided with a fixing mechanism, the fixing mechanism comprises a telescopic mechanism 3, a sliding block 4, a first connecting rod 5, a second connecting rod 6 and mounting support legs 7, the lower surface of the fixing plate 2 is fixedly connected with the telescopic mechanism 3, the telescopic mechanism 3 is an electric hydraulic telescopic cylinder, the extending end of the telescopic mechanism 3 is fixedly connected with the sliding block 4, the telescopic mechanism 3 is controlled to be telescopic and can drive the sliding block 4 to move left and right, the lower surface of the fixing plate 2 is hinged with the first connecting rod 5, the lower end of the first connecting rod 5 is hinged with the mounting support legs 7, the lower surface of the fixing plate 2 is also hinged with the second connecting rod 6, the second connecting rod 6 is the same as the first connecting rod 5 in size, the second, the lower surface of slider 4 articulates there is bracing piece 8, and the lower extreme of bracing piece 8 is articulated with the middle part of first connecting rod 5, and control telescopic machanism 3 is flexible, can drive 4 lateral shifting of slider to drive the swing about first connecting rod 5, thereby according to actual installation demand, adjust the interval of two installation stabilizer blades 7, be convenient for install this device on the digit control machine tool of different models, it is very convenient.

With reference to the embodiment 1 and the embodiment 2, the working principle of the invention is as follows: when the device is installed on a numerical control machine tool, the telescopic mechanism 3 is controlled to be telescopic, the sliding block 4 can be driven to transversely move, the first connecting rod 5 is driven to swing left and right, the distance between the two installation supporting legs 7 is adjusted according to actual installation requirements, the installation operation is convenient to carry out, the adjusting motor 10 is started after the installation is finished, the moving block 12 is driven to transversely move, the distance between the two moving blocks 12 is adjusted, the distance between the two protection plates 13 can be adjusted according to the size of a part to be processed, the protection plates 13 can block iron scraps flying around in the machining process of the numerical control machine tool, the personal safety of workers is protected, the buffer plate 14 can play a role in buffering, the iron scraps flying around are further prevented, the safety is further improved, the temperature of the part in the machining process of the numerical control machine tool is monitored in real time by the temperature sensor 23, when the temperature is too high, start the booster pump, carry coolant liquid to shower nozzle 18, spray on spare part, cool down to spare part, start driving motor 19 simultaneously, drive hollow rotating shaft 17 and rotate to drive shower nozzle 18 synchronous rotation, increase the scope of spraying of coolant liquid, improve the cooling effect.

It needs to explain very much, mount 1, fixed plate 2, movable block 12 and guard plate 13 are prior art's application in this application, and fixed establishment, two-way lead screw, accommodate motor, buffer board, spring, rotatable shower nozzle, the temperature sensor that can adjust are the innovation point of this application, and it has effectively solved the inconvenient, the not adjustable problem of guard plate interval of current numerical control machine dress protector installation.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A safety protection device for a numerical control machine tool comprises a fixing frame (1), a fixing plate (2), a moving block (12) and a protection plate (13), and is characterized in that a bidirectional screw rod (9) is installed inside the fixing frame (1), two ends of the bidirectional screw rod (9) are respectively connected with the side wall of the fixing frame (1) in a rotating mode, the two bidirectional screw rod (9) is sleeved with the moving block (12), the two moving blocks (12) are arranged in a bilateral symmetry mode, the moving block (12) is in threaded connection with the bidirectional screw rod (9), the upper surface of the moving block (12) is in sliding connection with the top of the fixing frame (1), the protection plate (13) is fixedly connected to the lower surface of the moving block (12), a liquid storage tank (16) is fixedly connected to the top of the fixing frame (1), a booster pump is installed inside the liquid storage tank (16, shower nozzle (18) are installed to the lower extreme of hollow pivot (17), and the top of hollow pivot (17) is installed and is led to joint (21) soon, and the delivery port of booster pump passes through raceway (22) and leads to joint (21) intercommunication soon in liquid reserve tank (16), and temperature sensor (23) are still installed to the inside of mount (1), and the bottom fixedly connected with fixed plate (2) of mount (1), and fixed establishment is installed to the bottom of fixed plate (2).

2. The safety device for the numerical control machine tool according to claim 1, characterized in that an adjusting motor (10) is fixedly connected to the top of the fixing frame (1), the shaft extension end of the adjusting motor (10) penetrates through the top of the fixing frame (1) and extends into the fixing frame (1), and the shaft extension end of the adjusting motor (10) is connected with the middle part of the bidirectional screw rod (9) through a first bevel gear set (11).

3. The safety guard device for numerical control machine according to claim 2, characterized in that the adjusting motor (10) is a counter-rotating motor.

4. The safety device for the numerical control machine tool according to claim 1, wherein a buffer plate (14) is installed at one side of the protection plate (13), springs (15) are distributed between the buffer plate (14) and the protection plate (13), and two ends of each spring (15) are respectively connected with the protection plate (13) and the buffer plate (14).

5. The safety device for the numerical control machine tool according to claim 1, wherein a driving motor (19) is further fixedly connected to the upper surface of the fixing frame (1), and a shaft extension end of the driving motor (19) is connected with the hollow rotating shaft (17) through a second bevel gear set (20).

6. The safety device for the numerical control machine tool according to claim 1, wherein the fixing mechanism comprises a telescopic mechanism (3), a sliding block (4), a first connecting rod (5), a second connecting rod (6) and a mounting supporting leg (7), the telescopic mechanism (3) is fixedly connected to the lower surface of the fixing plate (2), the sliding block (4) is fixedly connected to the extending end of the telescopic mechanism (3), the first connecting rod (5) is hinged to the lower surface of the fixing plate (2), the mounting supporting leg (7) is hinged to the lower end of the first connecting rod (5), the second connecting rod (6) is hinged to the lower surface of the fixing plate (2), the second connecting rod (6) and the first connecting rod (5) are the same in size, the second connecting rod (6) and the first connecting rod (5) are parallel to each other, the lower end of the second connecting rod (6) is hinged to the mounting supporting leg (7), and a supporting rod (8) is, the lower end of the supporting rod (8) is hinged with the middle part of the first connecting rod (5).

7. The safety device for numerical control machine tools according to claim 6, characterized in that the telescoping mechanism (3) is an electro-hydraulic telescoping cylinder.