CN215147328U - Digit control machine tool safety device - Google Patents

Abstract

The utility model discloses a digit control machine tool safety device, include: the safety door is arranged on the machine tool body in a sliding manner, and a limit groove is formed in the edge of the inner side wall of the safety door; the fixture block is slidably arranged on the outer side wall of the machine tool body and can be partially inserted into the limiting groove; limiting structure, including limiting plate, actuating mechanism and elastic component, the limiting plate rotates and installs on the lathe body outer wall, and actuating mechanism is used for driving the limiting plate and rotates to the one end of keeping away from the spacing groove with the fixture block and offsets to make the fixture block keep inserting the state of spacing groove, actuating mechanism withdraws drive power back, and the limiting plate can rotate under the effect of elastic component to avoiding fixture block slip path, so that the fixture block can break away from the spacing groove. The safety door is fixed by arranging the limiting groove and the fixture block; through setting up the limiting plate, set up actuating mechanism drive limiting plate again and rotate to and offset with fixture block one end, can avoid the fixture block roll-off spacing groove, the fixed firm of emergency exit.

Description

Digit control machine tool safety device

Technical Field

The utility model relates to a digit control machine tool technical field especially relates to a digit control machine tool safety device.

Background

The numerical control machine tool is a numerical control machine tool, can better solve the problem of machining complex, precise, small-batch and various parts, is a flexible and high-efficiency automatic machine tool, and represents the development direction of the modern machine tool control technology. And digit control machine tool carries out the in-process of processing to the work piece, can produce a lot of sweeps, and the piece splashes easily to can cause the injury to operating personnel, consequently all be equipped with the emergency exit, and current emergency exit is generally installed on digit control machine tool body through the slide rail, and the restraint nature that the protection emergency exit passes through the slide rail installation is poor, and operating personnel also can miss in the walking and touch the emergency exit moreover, thereby leads to the emergency exit to break away from the guide rail easily, uses insecurely, uses the protecting effect poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a digit control machine tool safety device, it is safe firm, the protecting effect is good.

According to the utility model discloses digit control machine tool safety device, include: the machine tool comprises a machine tool body, wherein a working cavity is formed in the machine tool body, a safety door for sealing the working cavity is slidably mounted on the machine tool body, and a limiting groove is formed in the edge of the inner side wall of the safety door; the fixture block is slidably mounted on the outer side wall of the machine tool body, and the fixture block can be partially inserted into the limiting groove; limiting structure, including limiting plate, actuating mechanism and elastic component, the limiting plate rotate install in on the lathe body outer wall, actuating mechanism is used for the drive the limiting plate rotate to with the fixture block is kept away from the one end of spacing groove offsets, so that the fixture block keeps inserting the state of spacing groove, actuating mechanism cancels behind the drive power, the limiting plate can the elastic component effect down rotate to avoiding the fixture block slip path, so that the fixture block can break away from the spacing groove.

According to the utility model discloses digit control machine tool safety device has following technological effect at least: the safety door is fixed by arranging a limiting groove on the inner side of the safety door and arranging a clamping block which can be inserted into the limiting groove in a sliding manner on the machine tool body; the limiting plate is rotatably mounted on the machine tool body, and the driving mechanism is arranged to drive the limiting plate to rotate to abut against one end, away from the limiting groove, of the clamping block, so that the clamping block can be prevented from sliding out of the limiting groove due to mistaken contact with the clamping block, the safety door is firmly fixed, and the protection effect is good; and the elastic piece is arranged to enable the limiting plate to rotate to avoid the sliding path of the clamping block, so that the clamping block can slide out of the limiting groove, the safety door can be opened conveniently, and the operation is convenient.

According to the utility model discloses a some embodiments, be equipped with two installation pieces on the lathe body outer wall, two the installation piece is located the fixture block deviates from one side of spacing groove, the limiting plate is installed through installation axle rotation on the installation piece, the elastic component is established for torsional spring and cover install epaxially.

According to some embodiments of the utility model, actuating mechanism is including setting firmly first magnet on the lathe body and setting firmly second magnet on the limiting plate, first magnet is the electromagnet, the limiting plate can rotate under the effect of first magnet extremely with the fixture block offsets.

According to some embodiments of the utility model, the interval is equipped with two lugs on the emergency exit inside wall, the spacing groove is by two the lug forms, the lathe body is close to the one end of fixture block is equipped with the confession the spacing groove that keeps away that the lug passes through, the lug can slide to with the working chamber is kept away from keep away the inner wall in spacing groove and offset.

According to some embodiments of the utility model, the fixture block orientation the one end of emergency exit is equipped with the chamfer.

According to some embodiments of the utility model, be equipped with the guide rail on the lathe body outer wall, fixture block slidable mounting in on the guide rail, the first board has set firmly on the guide rail, the second board has set firmly on the fixture block, the second board is located the first board orientation one side of emergency exit, the first board with be equipped with the spring between the second board, the fixture block can insert under the effect of spring the spacing inslot.

According to the utility model discloses a some embodiments, be equipped with the guide pillar on the second board, the guide pillar activity is worn to establish on the first board, the spring housing is established on the guide pillar, threaded connection has stop nut on the guide pillar, is used for preventing the guide pillar breaks away from the first board.

According to some embodiments of the utility model, be equipped with the wedge groove that the level runs through on the lathe body, correspond on the emergency exit the wedge groove is equipped with the wedge, wedge slidable mounting in the wedge inslot.

According to some embodiments of the utility model, the emergency exit front end is equipped with the handle and can observe the transparent observation window of working chamber.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of an installation structure of a safety protection device of a numerical control machine tool according to an embodiment of the present invention;

FIG. 2 is an exploded view of the safety guard of a numerically controlled machine tool according to an embodiment of the present invention;

FIG. 3 is a partial schematic view of the cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is an exploded view of the numerical control machine tool safety protection device according to another angle of the embodiment of the present invention.

Reference numerals:

the machine tool comprises a machine tool body 100, a mounting block 101, an avoiding groove 102, a wedge-shaped groove 103, a safety door 110, a bump 111, a wedge-shaped block 112, a handle 113, a transparent observation window 114, a limiting groove 120, a guide rail 130 and a first plate 140;

the fixture block 200, the second plate 210, the spring 220, the guide post 230 and the limit nut 240;

the limit structure 300, the limit plate 310, the extension plate 311, the driving mechanism 320, the first magnet 321, the second magnet 322, and the torsion spring 330.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the embodiment of the utility model provides a digit control machine tool safety device includes: the fixture comprises a machine tool body 100, a fixture block 200 and a limiting structure 300.

A working cavity is arranged in the machine tool body 100, a safety door 110 for sealing the working cavity is horizontally and slidably mounted on the machine tool body 100 to prevent scraps from splashing out of the working cavity, and a limiting groove 120 is arranged at the edge of the inner side wall of the safety door 110; the fixture block 200 is slidably mounted on the outer side wall of the machine tool body 100, the fixture block 200 can be partially inserted into the limiting groove 120, and specifically, when the fixture block 200 is inserted into the limiting groove 120, the working cavity is closed by the safety door 110; the limiting structure 300 comprises a limiting plate 310, a driving mechanism 320 and an elastic piece, wherein the limiting plate 310 is rotatably mounted on the outer wall of the machine tool body 100, the driving mechanism 320 is used for driving the limiting plate 310 to rotate to abut against one end, far away from the limiting groove 120, of the fixture block 200, so that the fixture block 200 can be prevented from being separated from the limiting groove 120, the fixture block 200 is kept in a state of being inserted into the limiting groove 120, and the driving mechanism 320 is arranged and provides driving force, so that the limiting of the fixture block 200 by the limiting plate 310 is firmer; after actuating mechanism 320 withdraws drive power, limiting plate 310 can rotate under the effect of elastic component to avoiding fixture block 200 slip path, and is concrete, for avoiding the route that fixture block 200 roll-off spacing groove 120 passed through, so that fixture block 200 can break away from spacing groove 120, give limiting plate 310 through setting up the elastic component effect, thereby can make opening operation of emergency exit 110 more convenient, only need to break actuating mechanism 320's drive power, again with fixture block 200 from spacing groove 120 in the roll-off can, convenient operation.

According to the numerical control machine tool safety protection device provided by the embodiment of the utility model, the safety door 110 is provided with the limiting groove 120 at the inner side, and the machine tool body 100 is provided with the fixture block 200 which can be inserted into the limiting groove 120 in a sliding manner, so that the safety door 110 is fixed, and the working cavity is sealed; by rotatably mounting the limiting plate 310 on the machine tool body 100 and arranging the driving mechanism 320 to drive the limiting plate 310 to rotate to abut against one end of the fixture block 200 away from the limiting groove 120, the situation that the fixture block 200 slides out of the limiting groove 120 due to the fact that an operator mistakenly touches the fixture block 200 can be avoided, the safety door 110 is firmly fixed, and the protection effect is good; and the elastic member is provided to enable the limiting plate 310 to rotate to avoid the sliding path of the latch 200, so that the latch 200 can slide out of the limiting groove 120, thereby facilitating the opening of the safety door 110 and facilitating the operation.

Referring to fig. 1 and 2, in some embodiments of the present invention, two mounting blocks 101 are disposed on the outer wall of the machine tool body 100, the two mounting blocks 101 are located on a side of the fixture block 200 away from the limiting groove 120, the limiting plate 310 is rotatably mounted on the mounting blocks 101 through a mounting shaft, and the elastic member is a torsion spring 330 and is sleeved on the mounting shaft; specifically, the torsion spring 330 has two extending ends, the two extending ends respectively act on the outer side wall of the machine tool body 100 and the side wall of the limiting plate 310 facing the outer wall of the machine tool body 100, when the torsion spring 330 is in a natural state, the limiting plate 310 can avoid the sliding path of the fixture block 200 so as to facilitate the fixture block 200 to be drawn out of the limiting groove 120, further, referring to fig. 3, an extending plate 311 is further disposed on the limiting plate 310, the extending plate 311 is located on one side of the mounting shaft of the limiting plate 310, which is away from the fixture block 200, and when the torsion spring 330 is in the natural state, the extending plate 311 abuts against the outer wall of the machine tool body 100 so as to limit the rotation amplitude of the limiting plate 310; it is conceivable that the elastic member may be a compression spring disposed between the limiting plate 310 and the outer wall of the machine tool body 100 and between the mounting shaft of the limiting plate 310 and the latch 200.

Referring to fig. 2 and 3, in some embodiments of the present invention, the driving mechanism 320 includes a first magnet 321 fixed on the machine tool body 100 and a second magnet 322 fixed on the limiting plate 310, the first magnet 321 is an electromagnet, when the first magnet 321 is energized, the second magnet 322 can be attracted, and the limiting plate 310 can be rotated to abut against the latch 200, it is conceivable that when the safety door 110 needs to be opened, the latch 200 can be slid out of the limiting groove 120 only by deenergizing the first magnet 321; further, in some embodiments, a main switch may be provided to control the power on/off of the first magnet 321 and the equipment in the machine tool body 100, so that the safety door 110 may be opened only when the equipment in the machine tool body 100 is powered off, and the safety door 110 may be prevented from being opened by an operator when the machine tool does not stop operating, thereby improving safety.

Referring to fig. 1 to 4, in some embodiments of the present invention, two bumps 111 are disposed on the inner side wall of the safety door 110 at an interval, the limiting groove 120 is formed by the two bumps 111, the avoiding groove 102 for the bump 111 to pass through is disposed at one end of the machine tool body 100 close to the fixture block 200, and the bump 111 can slide to the inner wall of the avoiding groove 102 away from the working chamber to be abutted to limit the safety door 110, so as to avoid the situation that the safety door 110 is slipped out from one end of the machine tool body 100 away from the limiting structure 300 due to excessive force when the safety door 110 is opened.

Referring to fig. 2 and 3, in some embodiments of the present invention, the end of the latch 200 facing the safety door 110 is provided with a chamfer, so that the latch 200 can be more smoothly inserted into the limit groove 120.

Referring to fig. 2 to 4, in some embodiments of the present invention, the outer wall of the machine tool body 100 is provided with two guide rails 130, the fixture block 200 is slidably mounted on the guide rails 130, specifically, the two guide rails 130 are provided, the opposite side walls of the two guide rails 130 are provided with guide grooves, and two ends of the fixture block 200 are embedded in the guide grooves; the guide rail 130 is fixedly provided with the first plate 140, the fixture block 200 is fixedly provided with the second plate 210, the second plate 210 is located on one side, facing the safety door 110, of the first plate 140, the spring 220 is arranged between the first plate 140 and the second plate 210, the fixture block 200 can be inserted into the limiting groove 120 under the action of the spring 220, the spring 220 is arranged, the fixture block 200 can be automatically clamped into the limiting groove 120, meanwhile, the spring 220 is matched with the limiting plate 310 to enable the fixture block 200 to be clamped into the limiting groove 120 more firmly, in addition, when the safety door 110 is in an opening state, the fixture block 200 can play a limiting role on the safety door 110 under the action of the spring 220, and the safety door 110 is prevented from slipping out from one end, close to the fixture block 200, of the machine tool body 100.

Referring to fig. 2 and 3, in some embodiments of the present invention, a guide post 230 is disposed on the second plate 210, the guide post 230 is movably disposed on the first plate 140, the spring 220 is sleeved on the guide post 230, a stop nut 240 is screwed on the guide post 230, and the stop nut 240 is located on one side of the first plate 140 deviating from the second plate 210, for preventing the guide post 230 from separating from the first plate 140.

Referring to fig. 1 and 2, in some embodiments of the present invention, a wedge groove 103 is provided on the machine tool body 100, a wedge block 112 is provided on the safety door 110 corresponding to the wedge groove 103, and the wedge block 112 is slidably mounted in the wedge groove 103.

Referring to fig. 1 and 4, in some embodiments of the present invention, the front end of the safety door 110 is provided with a handle 113, so as to facilitate sliding the safety door 110, and the front end of the safety door 110 is further provided with a transparent observation window 114 capable of observing the working chamber, so as to facilitate understanding of the working condition of the machine tool.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. The utility model provides a digit control machine tool safety device which characterized in that includes:

the machine tool comprises a machine tool body (100), wherein a working cavity is arranged in the machine tool body (100), a safety door (110) used for sealing the working cavity is arranged on the machine tool body (100) in a sliding mode, and a limiting groove (120) is formed in the edge of the inner side wall of the safety door (110);

the fixture block (200) is slidably mounted on the outer side wall of the machine tool body (100), and the fixture block (200) can be partially inserted into the limiting groove (120);

limiting structure (300), including limiting plate (310), actuating mechanism (320) and elastic component, limiting plate (310) rotate install in on machine tool body (100) outer wall, actuating mechanism (320) are used for the drive limiting plate (310) rotate to with fixture block (200) are kept away from the one end of spacing groove (120) offsets, so that fixture block (200) keep inserting the state of spacing groove (120), actuating mechanism (320) cancel drive power after, limiting plate (310) can rotate under the effect of elastic component to avoiding fixture block (200) slip path, so that fixture block (200) can break away from spacing groove (120).

2. The numerical control machine tool safety protection device according to claim 1, wherein two mounting blocks (101) are arranged on the outer wall of the machine tool body (100), the two mounting blocks (101) are located on one side of the fixture block (200) departing from the limiting groove (120), the limiting plate (310) is rotatably mounted on the mounting blocks (101) through a mounting shaft, and the elastic member is a torsion spring (330) and is sleeved on the mounting shaft.

3. The numerical control machine tool safety guard according to claim 1, characterized in that the driving mechanism (320) comprises a first magnet (321) fixed on the machine tool body (100) and a second magnet (322) fixed on the limit plate (310), the first magnet (321) is an electromagnet, and the limit plate (310) can rotate to abut against the fixture block (200) under the action of the first magnet (321).

4. The numerical control machine tool safety protection device according to claim 1, wherein two protrusions (111) are arranged on the inner side wall of the safety door (110) at intervals, the limiting groove (120) is formed by the two protrusions (111), one end, close to the fixture block (200), of the machine tool body (100) is provided with an avoiding groove (102) for the protrusions (111) to pass through, and the protrusions (111) can slide to abut against the inner wall, far away from the avoiding groove (102), of the working cavity.

5. The numerical control machine tool safety guard according to claim 4, characterized in that one end of the fixture block (200) facing the safety door (110) is provided with a chamfer.

6. The numerical control machine tool safety protection device according to claim 1, wherein a guide rail (130) is arranged on the outer wall of the machine tool body (100), the fixture block (200) is slidably mounted on the guide rail (130), a first plate (140) is fixedly arranged on the guide rail (130), a second plate (210) is fixedly arranged on the fixture block (200), the second plate (210) is positioned on one side, facing the safety door (110), of the first plate (140), a spring (220) is arranged between the first plate (140) and the second plate (210), and the fixture block (200) can be inserted into the limiting groove (120) under the action of the spring (220).

7. The numerical control machine tool safety device according to claim 6, characterized in that a guide post (230) is arranged on the second plate (210), the guide post (230) is movably arranged on the first plate (140), the spring (220) is sleeved on the guide post (230), and a limit nut (240) is screwed on the guide post (230) for preventing the guide post (230) from separating from the first plate (140).

8. The numerical control machine tool safety protection device according to claim 1, characterized in that a wedge-shaped groove (103) horizontally penetrating is formed in the machine tool body (100), a wedge-shaped block (112) is arranged on the safety door (110) corresponding to the wedge-shaped groove (103), and the wedge-shaped block (112) is slidably mounted in the wedge-shaped groove (103).

9. The numerical control machine tool safety guard according to claim 8, characterized in that the front end of the safety door (110) is provided with a handle (113) and a transparent observation window (114) capable of observing the working chamber.

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