Arc-shaped door opening and closing mechanism and arc-shaped door

Abstract

The utility model discloses an arc-shaped door opening and closing mechanism and an arc-shaped door, the arc-shaped door opening and closing mechanism comprises a long-strip-shaped fixing frame, two opposite sides of the fixing frame in the length direction are respectively provided with a telescopic assembly which is rotatably connected with the arc-shaped door, and the telescopic assemblies are rotatably connected with the fixing frame; when the telescopic assembly is in a contraction state, the arc-shaped door is controlled to be opened; and when the telescopic assembly is in the stretching-out state, the arc-shaped door is controlled to be closed. According to the arc-shaped door, the telescopic assembly is arranged on the fixing frame, when the arc-shaped door is used, the two arc-shaped doors are asynchronously or synchronously controlled to be opened or closed through stretching or retracting of the telescopic assembly, the structure is simple, a complex electrical control system and a complex mechanical driving structure are not needed, and cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool door technical field especially relates to a kind of arc door switch mechanism and arc door. BACKGROUND

[0002] Current numerical control (Computer Numerical Control, CNC) machine tool is in the process of automation reformation, using host computer to control machine tool door opening and closing.

[0003] In the existing CNC machine tool door control structure, generally using motor cooperates with arc gear and other mechanical structure to control arc door opening and closing, electrical control system and mechanical driving mechanism are complex, and the cost is high. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the deficiency that the electrical control system and mechanical driving mechanism of the prior art CNC machine tool door are complex and the cost is high, and provides an arc door switch mechanism and arc door.

[0005] The technical scheme of the utility model provides an arc door switch mechanism, which comprises a long strip-shaped fixing frame, opposite sides of the length direction of the fixing frame are respectively provided with telescopic assemblies rotatably connected with an arc door, and the telescopic assemblies are rotatably connected with the fixing frame.

[0006] When the telescopic assembly is in the retracted state, the arc door is controlled to be opened.

[0007] When the telescopic assembly is in the extended state, the arc door is controlled to be closed.

[0008] In one of the optional technical solutions, the telescopic assembly comprises a pneumatic cylinder and a piston rod, one end of the pneumatic cylinder is rotatably connected with the fixing frame, and the other end of the pneumatic cylinder is movably connected with the piston rod.

[0009] In one of the optional technical solutions, the telescopic assembly further comprises a pneumatic valve for controlling the air intake amount of the pneumatic cylinder, and the pneumatic valve is arranged on the fixing frame.

[0010] In one of the optional technical solutions, the pneumatic valve is a two-position single-electric control valve or a three-position double-electric control valve.

[0011] In one of the optional technical solutions, the fixing frame comprises a bottom plate, a top plate and a side plate, opposite sides of the side plate are respectively connected with the bottom plate and the top plate, and form a containing cavity with the bottom plate and the top plate, and the telescopic assembly is at least partially inserted into the containing cavity and rotatably connected with the bottom plate and the top plate.

[0012] In one of the optional technical solutions, the fixing frame further comprises an adjusting foot connected with the bottom plate and the top plate.

[0013] In one of the optional technical solutions, the bottom plate is provided with a first through hole, the top plate is provided with a second through hole corresponding to the first through hole, the adjusting foot comprises a supporting foot, a threaded column and a fixing nut, the fixing nut is above the top plate, one end of the threaded column is connected with the supporting foot, and the other end of the threaded column is sequentially threaded through the first through hole and the second through hole from bottom to top and is in threaded connection with the fixing nut.

[0014] In one of the optional technical solutions, the supporting foot is provided with a threaded hole in threaded connection with the arc-shaped door.

[0015] In one of the optional technical solutions, the opposite two side edges of the side plate are perpendicular to the bottom plate and the top plate respectively.

[0016] The technical scheme of the utility model also provides an arc-shaped door which comprises two arc-shaped door bodies and the arc-shaped door opening and closing mechanism as described above, and the two telescopic assemblies of the arc-shaped door opening and closing mechanism are connected with the two arc-shaped door bodies respectively.

[0017] After the above technical scheme is adopted, the following beneficial effects are achieved: by arranging the telescopic assembly on the fixing frame, the telescopic assembly is extended or retracted during use, and asynchronous or synchronous control of opening or closing of the two arc-shaped doors is realized, the structure is simple, a complex electrical control system and mechanical driving structure are not needed, and cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] The disclosure of the utility model will become more easily understood with reference to the drawings. It should be understood that these drawings are only for illustrative purposes, and are not intended to limit the scope of protection of the utility model. In the drawings:

[0019] Figure 1 A structural schematic view of the arc-shaped door opening and closing mechanism in a first perspective view is provided for an embodiment of the utility model;

[0020] Figure 2 A structural schematic view of the arc-shaped door opening and closing mechanism in a second perspective view is provided for an embodiment of the utility model;

[0021] Figure 3 A structural schematic view of the arc-shaped door opening and closing mechanism in a third perspective view is provided for an embodiment of the utility model;

[0022] Figure 4 A structural schematic view of the arc-shaped door opening and closing mechanism in a fourth perspective view is provided for an embodiment of the utility model;

[0023] Figure 5 A structural schematic view of an arc-shaped door is provided for an embodiment of the utility model. DETAILED DESCRIPTION

[0024] The specific embodiments of the present application will be further described below with reference to the drawings.

[0025] It is easy to understand that, according to the technical scheme of the present application, a person skilled in the art can replace various structural modes and implementation modes without changing the essential spirit of the present application. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical scheme of the present application, and should not be regarded as the whole or as a limitation or restriction of the technical scheme of the present application.

[0026] In this specification, the orientation terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or possibly mentioned are defined with respect to the structure shown in the drawings, and they are relative concepts, so they can change accordingly according to different positions and different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0027] As shown in Figures 1-4 The arc-shaped door opening and closing mechanism 10 provided by an embodiment of the present application includes an elongated fixed frame 11, opposite sides of the length direction of the fixed frame 11 are respectively provided with a telescopic assembly 12 rotatably connected with the arc-shaped door, and the telescopic assembly 12 is rotatably connected with the fixed frame 11.

[0028] When the telescopic assembly 12 is in the retracted state, the arc-shaped door is controlled to be opened.

[0029] When the telescopic assembly 12 is in the extended state, the arc-shaped door is controlled to be closed.

[0030] The arc-shaped door opening and closing mechanism 10 provided by the present application is used to control the opening and closing of the arc-shaped machine tool door.

[0031] The arc-shaped door opening and closing mechanism 10 provided by the present embodiment mainly includes a fixed frame 11 and a telescopic assembly 12.

[0032] The fixed frame 11 is used for fixing the telescopic assembly 12, two telescopic assemblies 12 are symmetrically arranged at two ends of the length direction of the fixed frame 11, the telescopic assembly 12 is hinged with the fixed frame 11, in use, the telescopic assembly 12 performs circumferential movement with the hinge chain as the axis, and the rotation angle of the telescopic assembly 12 is increased. When installation, the telescopic assembly 12 is fixed on the top of the arc-shaped machine tool door through the fixed frame 11, and the telescopic assembly 12 is hinged with the arc-shaped door. When it is needed to close the arc-shaped door, one of the arc-shaped doors can be pulled first to move towards the direction of the other arc-shaped door, and drive the telescopic assembly 12 to extend, and then the other arc-shaped door is pulled to move towards the direction of the arc-shaped door which has been in the closed state, and drive the other telescopic assembly 12 to extend; or the two arc-shaped doors are pulled to move towards each other, and drive the two telescopic assemblies 12 to extend. Similarly, when it is needed to open the arc-shaped door, the two arc-shaped doors are pulled to move in opposite directions, and drive the two telescopic assemblies 12 to retract, so as to realize asynchronous or synchronous control of opening or closing of the two arc-shaped doors.

[0033] Preferably, the telescopic assembly 12 is hinged with the fixed frame 11 and the arc-shaped door respectively.

[0034] Preferably, the telescopic assembly 12 is hinged with the fixed frame 11 and the arc-shaped door respectively.

[0035] In the embodiment, the telescopic assembly is arranged on the fixed frame, in use, the telescopic assembly is extended or retracted, so as to realize asynchronous or synchronous control of opening or closing of the two arc-shaped doors, and the structure is simple, and a complex electrical control system and mechanical driving structure are not needed, so that the cost is reduced.

[0036] In one of the embodiments, the telescopic assembly 12 comprises a cylinder 121 and a piston rod 122, one end of the cylinder 121 is rotationally connected with the fixed frame 11, and the other end of the cylinder 121 is movably connected with the piston rod 122.

[0037] The telescopic assembly 12 comprises a cylinder 121 and a piston rod 122, the cylinder 121 is hinged with the fixed frame 11, and the piston rod 122 is hinged with the arc-shaped door, in use, the cylinder 121 and the piston rod 122 perform circumferential movement with the hinge chain as the axis, and the rotation angle of the cylinder 121 and the piston rod 122 is increased, so as to better adapt to the opening and closing of the arc-shaped door.

[0038] Preferably, the cylinder 121 is a sine cylinder.

[0039] In one of the embodiments, the telescopic assembly 12 further comprises a pneumatic valve 123 for controlling the air intake of the cylinder 121, and the pneumatic valve 123 is arranged on the fixed frame 11.

[0040] The pneumatic valve 123 is communicated with the air cylinder 121 through an air pipe, and is used for controlling the air intake of the air cylinder 121, so that the telescopic assembly 12 controls the opening and closing speed of the arc-shaped door, avoids collision of the arc-shaped door in the opening and closing process, and can manually open the door in an emergency in case of an abnormality. The specific structure and working principle of the pneumatic valve 123 can adopt the prior art, which is not the improvement point of the present application, and will not be described here.

[0041] Preferably, the pneumatic valve 123 is arranged at the middle of the length direction of the fixed frame 11.

[0042] In one embodiment, in order to better control the air intake of the air cylinder 121, the pneumatic valve 123 is a two-position single electric control valve or a three-position double electric control valve.

[0043] In one embodiment, the fixed frame 11 includes a bottom plate 111, a top plate 112, and a side plate 113, the opposite two sides of the side plate 113 are connected with the bottom plate 111 and the top plate 112 respectively, and form a containing cavity 114 with the bottom plate 111 and the top plate 112, and the telescopic assembly 12 is at least partially inserted into the containing cavity 114 and is rotationally connected with the bottom plate 111 and the top plate 112.

[0044] The bottom plate 111, the top plate 112, and the side plate 113 are all in the shape of a long strip, the two sides of the length direction of the side plate 113 are fixedly connected with the bottom plate 111 and the top plate 112 respectively, and form the containing cavity 114 with the bottom plate 111 and the top plate 112, so that the fixed frame 11 is in a semi-closed state. The two telescopic assemblies 12 are symmetrically arranged at the two ends of the length direction, and at least one end of the telescopic assembly 12 is inserted into the containing cavity 114 and is hingedly connected with the bottom plate 111 and the top plate 112.

[0045] In one embodiment, the fixed frame 11 further includes an adjusting foot 115 connected with the bottom plate 111 and the top plate 112.

[0046] The adjusting foot 115 is arranged at the two ends of the length direction of the bottom plate 111 and the top plate 112, and is used for adjusting the height between the fixed frame 11 and the horizontal plane, so that the fixed frame 11 is kept balanced, and can adapt to different heights of the plane through the adjusting foot 115.

[0047] In one embodiment, the bottom plate 111 is provided with a first through hole, the top plate 112 is provided with a second through hole corresponding to the first through hole, the adjusting foot 115 includes a supporting foot 1151, a threaded column 1152, and a fixed nut 1153, the fixed nut 1153 is above the top plate 112, one end of the threaded column 1152 is connected with the supporting foot 1151, and the other end of the threaded column 1152 is sequentially threaded through the first through hole and the second through hole from bottom to top and is threadedly connected with the fixed nut 1153.

[0048] When installing, the support leg 1151 is placed on the top of the arc-shaped machine tool door, the bottom plate 111 and the top plate 112 at two ends are located on the same horizontal plane by adjusting the height of the threaded column 1152, and then the support leg 1151 is fixedly connected with the arc-shaped machine tool door.

[0049] In one of the embodiments, the support leg 1151 is provided with a threaded hole for threaded connection with the arc-shaped door.

[0050] When installing, when the support leg 1151 is adjusted to a proper height by the threaded column 1152, the support leg 1151 is threaded connected with the arc-shaped door through the threaded hole, thereby improving the connection stability.

[0051] In one of the optional technical solutions, the opposite two side edges of the side plate 113 are perpendicular to the bottom plate 111 and the top plate 112, respectively.

[0052] Preferably, the bottom plate 111, the top plate 112 and the side plate 113 are integrally formed.

[0053] As shown in Figure 5 The arc-shaped door provided by the embodiment of the utility model, comprising two arc-shaped door bodies 20 and the arc-shaped door opening and closing mechanism 10 as described above, the two telescopic assemblies 12 of the arc-shaped door opening and closing mechanism 10 are connected with the two arc-shaped door bodies 20, respectively.

[0054] In the embodiment, the arc-shaped door opening and closing mechanism is arranged on the two arc-shaped door bodies, when using, the opening or closing of the arc-shaped door is controlled by the telescopic assemblies of the arc-shaped door opening and closing mechanism asynchronously or synchronously, the structure is simple, the complex electrical control system and mechanical driving structure are not needed, and the cost is reduced.

[0055] The above only describes the principle and the preferred embodiment of the utility model. It should be noted that, for ordinary skilled in the art, on the basis of the principle of the utility model, a plurality of other variants can also be made, and should be regarded as the protection scope of the utility model.

Claims

1. An arcuate door switch mechanism, characterized by, The fixed frame is long strip-shaped, opposite sides of the length direction of the fixed frame are respectively provided with the telescopic assembly connected with the arc-shaped door, When the telescopic assembly is in the retracted state, the arc-shaped door is controlled to be opened; When the telescopic assembly is in the extended state, the arc-shaped door is controlled to be closed.

2. The arcuate door switch mechanism of claim 1, wherein The telescopic assembly comprises a cylinder and a piston rod, one end of the cylinder is rotatably connected with the fixed frame, and the other end of the cylinder is movably connected with the piston rod.

3. The arcuate door switch mechanism of claim 2, wherein The telescopic assembly further comprises a pneumatic valve for controlling the air intake of the cylinder, and the pneumatic valve is arranged on the fixed frame.

4. The arcuate door switch mechanism of claim 3, wherein The pneumatic valve is a two-position single electric control valve or a three-position double electric control valve.

5. Arcuate door switch mechanism according to any of claims 1-4, characterized in that The fixed frame comprises a bottom plate, a top plate and side plates, opposite sides of the side plates are respectively connected with the bottom plate and the top plate, and the bottom plate and the top plate form a containing cavity, and the telescopic assembly is at least partially inserted into the containing cavity and rotatably connected with the bottom plate and the top plate.

6. The arcuate door switch mechanism of claim 5, wherein The fixed frame further comprises an adjusting foot connected with the bottom plate and the top plate.

7. The arcuate door switch mechanism of claim 6, wherein The bottom plate is provided with a first through hole, and the top plate is provided with a second through hole corresponding to the first through hole, the adjusting foot comprises a supporting foot, a threaded column and a fixed nut, the fixed nut is above the top plate, one end of the threaded column is connected with the supporting foot, and the other end of the threaded column passes through the first through hole and the second through hole from bottom to top and is threadedly connected with the fixed nut.

8. The arcuate door switch mechanism of claim 7, wherein The supporting foot is provided with a threaded hole threadedly connected with the arc-shaped door.

9. The arcuate door switch mechanism of claim 5, wherein The opposite sides of the side plates are respectively perpendicular to the bottom plate and the top plate.

10. An arcuate door characterized by, The arc-shaped door opening and closing mechanism comprises two arc-shaped door bodies and the arc-shaped door opening and closing mechanism according to any one of claims 1-9, and the two telescopic assemblies of the arc-shaped door opening and closing mechanism are respectively connected with the two arc-shaped door bodies.

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