Automatic opening and closing structure for observation window of die-cutting machine

Abstract

The utility model belongs to the field of die-cutting machines, and particularly relates to an automatic opening and closing structure of an observation window of a die-cutting machine, the observation window comprises a window sash and a transparent plate installed on the window sash, the opening and closing structure comprises a swing arm and a translation driving assembly, the window sash is hinged with a protection frame through a hinge shaft, the upper end of the swing arm is fixedly connected with the hinge shaft, and the lower end of the swing arm is fixedly connected with the translation driving assembly. The translation driving assembly has the freedom degree of moving on the horizontal plane, the translation driving assembly pushes the lower end of the swing arm to enable the window sash to be turned upwards around the axial direction of the hinge shaft to be opened, the opening and closing structure can achieve automatic opening and closing of the observation window, and convenience is provided for workers to maintain and inspect the interior of the protection frame.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of die cutting machine, more particularly to a die cutting machine observation window automatic switch structure. BACKGROUND

[0002] The protective frame of the die cutting machine is provided with an observation window. Through the observation window, the operating personnel can directly observe the running condition inside the die cutting machine, prevent the human body from contacting the high-speed operating components, avoid accidents, and prevent external foreign matters from entering the machine interior to affect the normal operation. However, the existing observation window is usually fixed with the protective frame. When the components inside the protective frame need to be maintained or repaired, the entrance and exit of the protective frame are often used as the maintenance and inspection channel. When the maintenance and inspection space is limited, more components need to be disassembled to reach the position to be maintained, causing inconvenience in repair. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problems existing in the prior art, the utility model provides a die cutting machine observation window automatic switch structure, which can realize the automatic opening and closing of the observation window and provide convenience for the operating personnel to maintain and inspect the interior of the protective frame.

[0004] The utility model adopts the specific technical scheme of:

[0005] A die cutting machine observation window automatic switch structure, the observation window comprises a window sash and a transparent plate installed on the window sash, and the key lies in that the switch structure comprises a swing arm and a translation driving assembly, the window sash is hinged with the protective frame through a hinge shaft, the upper end of the swing arm is fixed with the hinge shaft, the translation driving assembly has the freedom of moving on the horizontal plane, and the lower end of the swing arm is pushed by the translation driving assembly to make the window sash turn upward and open around the hinge shaft.

[0006] The translation driving assembly comprises a sliding block and a screw rod, the front side of the sliding block pushes the lower end of the swing arm, the sliding block is screwed with the screw rod, the sliding block is connected with the guide rail in a guided mode, and the screw rod is connected with the driving shaft of the motor.

[0007] The sliding block is in contact transmission with the swing arm, and the center of gravity of the window sash is located below the plane where the hinge shaft is located and is lifted upward along with the rotation of the window sash.

[0008] The protective frame is provided with a limiting guide matched with the inner wall of the window sash, and the limiting guide is provided with a buffer pad.

[0009] The rear end of the swing arm is provided with a first roller, and the translation driving assembly is in contact with the first roller to push the swing arm.

[0010] The front end of the swing arm is provided with a second roller, and the front of the swing arm is provided with a limiting baffle matched with the second roller.

[0011] The rectangular strip is fixed on the hinge shaft, the upper end of the sash is provided with a clamping groove matched with the rectangular strip, and the hinge shaft is fixed on the sash by means of the rectangular strip.

[0012] The sash comprises vertically arranged vertical frames and horizontally arranged horizontal frames, and the transparent plates are arranged on the vertical frames and the horizontal frames respectively.

[0013] The left and right sides of the rear end of the horizontal frame are respectively provided with notches, the horizontal frame forms a T-shaped structure by means of the notches, and the hinge shaft is arranged at the rear end of the horizontal frame and hinged to the protective frame.

[0014] The utility model discloses the beneficial effect is:

[0015] The utility model discloses the horizontal movement of horizontal drive subassembly drives sash to overturn, has realized the opening of observation window, and provides more operating space for the work of staff, and the rigid lever of swing arm can ensure that sash opens or closes quickly and stably,

[0016] The slider in the horizontal drive subassembly is in contact with the swing arm and is in transmission, the center of gravity of the sash is located directly below or rearward below the hinge shaft, when the slider retreats, the sash can naturally fall to the closed state under the action of its own gravity, which helps to reduce the energy consumption of the horizontal drive subassembly.

[0017] The sash comprises vertically arranged vertical frames and horizontally arranged horizontal frames, and the transparent plates are arranged on the vertical frames and the horizontal frames respectively, so that the internal operation condition can be observed from the side and the top of the protective frame, the visual blind area is reduced, and the internal brightness is also improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is Figure 1 The partial A enlarged view of

[0020] Figure 3 It is the assembly schematic view of the observation window and the protective frame when the observation window is closed;

[0021] Figure 4 It is the assembly schematic view of the limiting rail and the observation window;

[0022] In the drawings, 1, observation window, 2, sash, 3, protective frame, 4, swing arm, 5, translation drive subassembly, 6, hinge shaft, 7, slider, 8, screw rod, 9, guide rail, 10, motor, 11, limiting rail, 12, buffer pad, 13, first roller, 14, second roller, 15, limiting baffle, 16, rectangular strip, 17, vertical frame, 18, horizontal frame, 19, notch, 20, transparent plate. DETAILED DESCRIPTION

[0023] The utility model discloses further make a further illustration to the utility model below combining the drawing and specific embodiment:

[0024] Specific embodiment such as Figure 1 、 Figure 3 The utility model relates to a kind of automatic switch structure of observation window of die cutting machine, and observation window 1 includes sash 2 and the transparent plate 20 installed on sash 2, the switch structure includes swing arm 4 and translation drive component 5, sash 2 is hinged with protective frame 3 by means of hinged shaft 6, bearing is provided on protective frame 3, and the both ends of hinged shaft 6 are connected with the bearing on protective frame 3 respectively;The upper end of swing arm 4 is fixedly connected with hinged shaft 6, translation drive component 5 has the freedom of movement on horizontal plane, and the lower end of swing arm 4 is pushed by translation drive component 5 to make sash 2 overturn upwards around the axial direction of hinged shaft 6 and open. The overturning of sash 2 is realized by the horizontal movement of horizontal drive component 5, so that observation window 1 is opened, and the fixed observation window 1 is designed as the observation window 1 that can be opened and closed, and the observation window 1 is closed during normal operation, and the observation window 1 can be quickly opened by the driving of horizontal drive component 5 during maintenance, to provide more operating space for the work of staff;The lower end of swing arm 4 is forwardly inclined, and swing arm 4 acts as rigid lever, to ensure that sash 2 is quickly and stably opened;On the other hand, the upper end of swing arm 4 is connected with hinged shaft 6, and the lower end of swing arm 4 is driven to open and close observation window 1 in cooperation with horizontal drive component 5, and the switch structure is arranged on the side of observation window 1, to reduce the occupation of space above protective frame 3, to help improve the compactness of the overall structure of die cutting machine.

[0025] Further, translation drive component 5 includes slider 7 and screw rod 8, the front side of slider 7 pushes the lower end of swing arm 4, slider 7 is screwed with screw rod 8, slider 7 is connected with guide rail 9 in a guided manner, and the drive shaft of motor 10 is connected with screw rod 8. Screw rod 8 transmission has self-locking and high transmission accuracy, to accurately control the moving distance of slider 7 and the opening angle of observation window 1, to prevent personnel injury caused by automatic falling of observation window 1 after opening.

[0026] Further, slider 7 is in contact with swing arm 4 in transmission, the center of gravity of sash 2 is located below the plane where hinged shaft 6 is located and is lifted upwards along with the rotation of sash 2, screw rod 8 is positively rotated, slider 7 moves forwards to push swing arm 4, sash 2 is lifted upwards, and the center of gravity of sash 2 is lifted;Screw rod 8 is reversely rotated, slider 7 retreats, and sash 2 naturally falls back to the closed state under the action of its own gravity, to reduce the energy consumption of horizontal drive component 5.

[0027] As Figure 4As shown, the guard frame 3 is provided with a limiting edge 11 matched with the inner wall of the sash 2, the limiting edge 11 is provided with a buffer pad 12, the limiting edge 11 is formed by the inner wall of the guard frame 3, the width of the limiting edge 11 is about 1-2 cm, the limiting edge 11 limits the closing position of the observation window 1, reduces the accuracy of the gravity center position of the sash 2, and prevents excessive closing; while the buffer pad 12 can absorb impact energy when the observation window 1 is closed under its own gravity, reduce noise and reduce equipment wear, help to prolong the service life of the equipment.

[0028] Preferably, the rear end of the swing arm 4 is provided with a first roller 13, as shown Figure 2 As shown, the translation drive assembly 5 is in contact with the first roller 13 to form a push to the swing arm 4, the first roller 13 converts the sliding friction between the translation drive assembly 5 and the swing arm 4 into rolling friction, significantly reducing the transmission resistance and improving the stability during the opening and closing of the observation window 1.

[0029] The front end of the swing arm 4 is provided with a second roller 14, and the front of the swing arm 4 is provided with a limiting baffle 15 matched with the second roller 14, the second roller 14 and the limiting baffle 15 cooperate to limit the maximum opening angle of the observation window 1, the rolling contact between the second roller 14 and the limiting baffle 15 reduces mechanical wear and prolongs the service life of the swing arm 4 and the limiting baffle 15. One end of the screw 8 is installed on the limiting baffle 15.

[0030] Preferably, the rectangular strip 16 is fixed on the hinge shaft 6, the upper end of the sash 2 is provided with a clamping groove matched with the rectangular strip 16, the rectangular strip 16 is installed in the clamping groove, and the rectangular strip 16 is welded or connected with the sash 2 by means of bolts, thereby improving the connection strength of the hinge shaft 6 and the sash 2. When the hinge shaft 6 rotates, the rectangular strip 16 acts on the inner wall of the clamping groove to make the sash 2 rotate synchronously, effectively avoiding the relative rotation between the hinge shaft 6 and the sash 2 to cause the opening angle error of the observation window 1.

[0031] Further, the sash 2 includes a vertical frame 17 and a horizontal frame 18 connected in series, and a transparent plate 20 is arranged on the vertical frame 17 and the horizontal frame 18, respectively, so that the internal operating conditions can be observed from the side and top of the guard frame 3, reducing the visual blind area and improving the internal brightness.

[0032] The left and right sides of the rear end of the horizontal frame 18 are respectively provided with a gap 19, the horizontal frame 18 forms a T-shaped structure by means of the gap 19, and the hinge shaft 6 is arranged at the rear end of the horizontal frame 18 and is hinged with the guard frame 3.

Claims

1. An automatic opening and closing structure for an observation window of a die-cutting machine, wherein the observation window (1) comprises a window sash (2) and a transparent plate (20) mounted on the window sash (2), characterized in that: The switch structure includes a swing arm (4) and a translation drive assembly (5). The window sash (2) is hinged to the protective frame (3) via a hinge shaft (6). The upper end of the swing arm (4) is fixed to the hinge shaft (6). The translation drive assembly (5) has a degree of freedom to move on a horizontal plane. The translation drive assembly (5) pushes the lower end of the swing arm (4) to make the window sash (2) flip upward around the hinge shaft (6) and open.

2. The automatic opening and closing structure of the observation window of a die-cutting machine according to claim 1, characterized in that: The translation drive assembly (5) includes a slider (7) and a screw (8). The front side of the slider (7) pushes the lower end of the swing arm (4). The slider (7) is screwed into the screw (8). The slider (7) is guided and connected to the guide rail (9). The screw (8) is connected to the drive shaft of the motor (10).

3. The automatic opening and closing structure of the observation window of a die-cutting machine according to claim 2, characterized in that: The slider (7) is in contact with the swing arm (4) for transmission. The center of gravity of the window sash (2) is located below the plane of the hinge shaft (6) and rises upward as the window sash (2) rotates.

4. The automatic opening and closing structure of the observation window of a die-cutting machine according to claim 3, characterized in that: The protective frame (3) is provided with a limiting edge (11) that matches the inner wall of the window sash (2), and a buffer pad (12) is provided on the limiting edge (11).

5. The automatic opening and closing structure of the observation window of a die-cutting machine according to claim 1, characterized in that: The rear end of the swing arm (4) is provided with a first roller (13), and the translation drive component (5) contacts the first roller (13) to push the swing arm (4).

6. The automatic opening and closing structure of the observation window of a die-cutting machine according to claim 5, characterized in that: The front end of the swing arm (4) is provided with a second roller (14), and the front of the swing arm (4) is provided with a limiting baffle (15) that matches the second roller (14).

7. The automatic opening and closing structure of the observation window of a die-cutting machine according to claim 1, characterized in that: A rectangular strip (16) is fixedly connected to the hinge shaft (6), and a slot matching the rectangular strip (16) is provided at the upper end of the window sash (2). The hinge shaft (6) is fixedly connected to the window sash (2) by means of the rectangular strip (16).

8. The automatic opening and closing structure of the observation window of a die-cutting machine according to claim 1, characterized in that: The window sash (2) includes a vertical frame (17) and a horizontal frame (18) connected end to end, and the transparent panel is respectively set on the vertical frame (17) and the horizontal frame (18).

9. The automatic opening and closing structure of the observation window of a die-cutting machine according to claim 8, characterized in that: The horizontal frame (18) has notches (19) on the left and right sides of its rear end. The horizontal frame (18) forms a T-shaped structure by means of the notches (19). The hinge shaft (6) is located at the rear end of the horizontal frame (18) and is hinged to the protective frame (3).

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