Anti-falling access door of shot blasting machine

Abstract

The utility model discloses an anti-drop access door of a shot blasting machine, which relates to the technical field of shot blasting machines and comprises a shot blasting machine main frame, an access door is arranged on one side of the shot blasting machine main frame, a drag hook is fixedly connected to the top surface of the access door, and a pull rope is fixedly connected to the top end of the drag hook. A winding device is fixedly connected to the end, away from the drag hook, of the pull rope, and supporting rods are fixedly connected to the two side faces of the shot blasting machine main frame. According to the shot blasting machine, the access door is arranged on one side of the shot blasting machine main frame, the rolling devices are arranged above and below the surface of the access door, the drag hook is fixedly connected to the top surface of the access door, and the winding device pulls and pulls the drag hook to ascend, so that the rolling devices move upwards along the grooves of the supporting rods and the rails; and after the access door is opened, the rolling device on the bottom face of the access door can be limited through the blocking device, and the access door is prevented from falling down to accidentally injure operators.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shot -blasting machine technical field, in particular to a kind of anti-falling maintenance door of shot -blasting machine. BACKGROUND

[0002] Shot -blasting machine is the high-speed projectile that utilizes shot -blasting machine and is thrown to clean or strengthen casting surface casting equipment, shot -blasting machine can simultaneously carry out shakeout, remove core and clean to casting, and some regions are also called sanding machine, sandblaster in orally.

[0003] The existing shot -blasting machine maintenance door is usually driven by motor to rotate roller, roller drives sprocket to rotate, sprocket drives chain to rotate, and the maintenance door is opened or closed by the rotation of chain, but the up-down movement of shot -blasting machine door is controlled by button, and the mechanical brake when the maintenance door is up-down limited stop is controlled by the friction plate of motor, and the friction plate is limited due to mechanical wear or electrical element aging function, so that the maintenance door falls and closes, so there is a security risk. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of anti-falling maintenance door of shot -blasting machine to solve the up-down movement of shot -blasting machine door in the background art described above is controlled by button, and the mechanical brake when the maintenance door is up-down limited stop is controlled by the friction plate of motor, and the friction plate is limited due to mechanical wear or electrical element aging function, so that the maintenance door falls and closes, so there is a security risk.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-falling maintenance door of shot -blasting machine, including shot -blasting machine main frame, one side of the shot -blasting machine main frame is equipped with maintenance door, the top surface of the maintenance door is fixedly connected with drag hook, the top end of the drag hook is fixedly connected with pull rope, the end of the pull rope away from the drag hook is fixedly connected with winding device, the two side faces of the shot -blasting machine main frame are all fixedly connected with support rod, the inside of the support rod is equipped with recess, the inner wall of the opening of the shot -blasting machine main frame is fixedly connected with track, the top and bottom of the surface of the maintenance door are equipped with rolling device, one end of two rolling devices is respectively extended to the inside of track and support rod recess, the outer surface of the shot -blasting machine main frame is equipped with blocking device for limiting the movement of rolling device.

[0006] Preferably, two support rods are fixedly connected with cross bar for fixing winding device.

[0007] Preferably, the winding device comprises a bearing plate, one side of the bearing plate is welded on the surface of the cross bar, one side of the bearing plate is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a rotating rod, one end of the rotating rod penetrates through the bearing plate, the outer wall of the rotating rod is provided with a replaceable winding wheel, and the winding wheel is wound around the end of the pull rope away from the hook.

[0008] Preferably, the inner wall of the winding wheel is provided with a slot, the outer wall of the rotating rod is fixedly connected with a plug plate matched with the slot of the winding wheel, one end of the rotating rod away from the servo motor is provided with a baffle, one side of the baffle is provided with a fixing bolt, and one end of the fixing bolt is threadedly connected with the top end of the rotating rod.

[0009] Preferably, the rolling device comprises a connecting plate welded on the surface of the access door, the top surface of the connecting plate is fixedly connected with a convex rod, the top end of the convex rod is fixedly connected with a roller, and the two rollers are arranged in the inside of the track and the groove of the supporting rod respectively.

[0010] Preferably, the blocking device comprises a U-shaped plate fixed on the surface of the shot blasting machine main frame, one end of the U-shaped plate is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a blocking rod, one end of the blocking rod penetrates through the outer wall of the shot blasting machine main frame and extends into the groove of the track, and the blocking rod is slidably connected with the outer wall of the shot blasting machine main frame.

[0011] The technical effects and advantages of the utility model are as follows: the utility model discloses a shot blasting machine main frame, the access door is provided on one side of the shot blasting machine main frame, the rolling device is arranged above and below the surface of the access door, the top surface of the access door is fixedly connected with a hook, the winding device is used for pulling the hook to ascend, the rolling device moves upwards along the groove of the supporting rod and the track, the access door is opened, and the blocking device is used for limiting the rolling device on the bottom surface of the access door, so that the access door does not fall and the operator is not hurt. ACCURATE DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0013] Figure 2 It is Figure 1 It is an enlarged structure schematic view of A in the middle.

[0014] Figure 3 It is a blocking device structure schematic view of the utility model.

[0015] Figure 4 It is a winding device structure schematic view of the utility model.

[0016] In the figure: 1, the main frame of the shot blasting machine; 2, the maintenance door; 3, the rolling device; 31, the connecting plate; 32, the convex rod; 33, the roller; 4, the track; 6, the support rod; 7, the cross rod; 8, the pull hook; 9, the pull rope; 10, the winding device; 101, the bearing plate; 102, the servo motor; 103, the rotating rod; 104, the winding wheel; 105, the plugboard; 106, the baffle; 107, the fixing bolt; 11, the blocking device; 111, the U-shaped plate; 112, the air cylinder; 113, the blocking rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] The utility model provides a kind of anti-falling maintenance door of shot blasting machine as Figures 1-4 It is shown in the figure, the maintenance door 2 of one side of the main frame 1 of shot blasting machine is equipped with maintenance door 2, the top surface of maintenance door 2 is fixedly connected with pull hook 8, the top end of pull hook 8 is fixedly connected with pull rope 9, the end of pull rope 9 away from pull hook 8 is fixedly connected with winding device 10, the two side surfaces of main frame 1 of shot blasting machine are all fixedly connected with support rod 6, recess is set in the inside of support rod 6, the inner wall of the opening of main frame 1 of shot blasting machine is fixedly connected with track 4, the top and bottom of the surface of maintenance door 2 are all equipped with rolling device 3, one end of two rolling devices 3 respectively extends to the inside of track 4 and the recess of support rod 6, the outer surface of main frame 1 of shot blasting machine is equipped with blocking device 11 for limiting the movement of rolling device 3;By the top surface of maintenance door 2 being fixedly connected with pull hook 8, winding pull rope 9 by winding device 10 makes pull rope 9 drive pull hook 8 to ascend, in turn, pull hook 8 drives maintenance door 2 to ascend, so that maintenance door 2 is opened, when maintenance door 2 is opened, maintenance door 2 drives rolling device 3 to move upwards along track 4 and support rod 6, at this time, the blocking rod 113 of blocking device 11 extends to the inside of track 4, to prevent the accidental falling of maintenance door 2.

[0019] As shown in Figure 1 Two support rods 6 are fixedly connected with cross rod 7 for fixing winding device 10.

[0020] As shown in Figure 2As shown, the rolling device 3 includes a connecting plate 31 welded on the surface of the access door 2, the top surface of the connecting plate 31 is fixedly connected with a convex rod 32, the top end of the convex rod 32 is fixedly connected with a roller 33, two rollers 33 are respectively arranged in the inside of the track 4 and the groove of the supporting rod 6, the roller 33 is arranged in the inside of the track 4, when the access door 2 drives the rolling device 3 to move upwards, at this time, the roller 33 rotates with the inner wall of the track 4, thereby reducing the friction.

[0021] As shown, Figure 3 As shown, the blocking device 11 includes a U-shaped plate 111 fixed on the surface of the shot blasting machine main frame 1, one end of the U-shaped plate 111 is fixedly connected with a pneumatic cylinder 112, the output end of the pneumatic cylinder 112 is fixedly connected with a blocking rod 113, one end of the blocking rod 113 penetrates through the outer wall of the shot blasting machine main frame 1 and extends into the groove of the track 4, and the blocking rod 113 is slidingly connected with the outer wall of the shot blasting machine main frame 1; when the output end of the pneumatic cylinder 112 drives the blocking rod 113 to move into the inside of the track 4, at this time, the blocking rod 113 has a blocking effect on the roller 33, preventing the access door 2 from falling and causing harm to the workers.

[0022] As shown, Figure 4 As shown, the winding device 10 includes a bearing plate 101, one surface of the bearing plate 101 is welded on the surface of the cross rod 7, one surface of the bearing plate 101 is fixedly connected with a servo motor 102, the output end of the servo motor 102 is fixedly connected with a rotating rod 103, one end of the rotating rod 103 penetrates through the bearing plate 101, the outer wall of the rotating rod 103 is provided with a replaceable winding wheel 104, and the winding wheel 104 is wound around the end of the pull rope 9 away from the pull hook 8.

[0023] As shown, Figure 4 As shown, the inner wall of the winding wheel 104 is provided with a slot, the outer wall of the rotating rod 103 is fixedly connected with a plug plate 105 matched with the slot in the winding wheel 104, one end of the plug plate 105 is fixedly connected with a fixed screw 107, and the other end of the fixed screw 107 is threadedly connected with the top end of the rotating rod 103, the plug plate 105 can be used to fix the winding wheel 104, so that the winding wheel 104 can rotate synchronously when the servo motor 102 rotates, and the fixed screw 107 of the blocking plate 106 can be disassembled to dismount the blocking plate 106, so that the winding wheel 104 can be taken out for replacement.

[0024] The working principle of this utility model is as follows: First, the servo motor 102 is started. The rotation of the output end of the servo motor 102 drives the rotating rod 103 to rotate. The rotation of the rotating rod 103 drives the rotating wheel 104 to rotate. The rotation of the rotating wheel 104 causes the pull rope 9 to wrap around it, which in turn causes the pull rope 9 to lift the hook 8. The lifting of the hook 8 causes the inspection door 2 to lift, thus opening the inspection door 2. At this time, the cylinder 112 is started. The output end of the cylinder 112 drives the stop rod 113 to move, causing one end of the stop rod 113 to insert into the track 4, thereby preventing the inspection door 2 from falling and causing the roller 33 to fall. This limits the roller 33, preventing the inspection door 2 from closing and accidentally injuring personnel.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A kind of anti-falling maintenance door of shot blasting machine, including shot blasting machine main frame (1), it is characterized by: One side of the shot blasting machine main frame (1) is provided with an access door (2), the top surface of the access door (2) is fixedly connected with a pull hook (8), the top end of the pull hook (8) is fixedly connected with a pull rope (9), the end of the pull rope (9) away from the pull hook (8) is fixedly connected with a winding device (10), both sides of the shot blasting machine main frame (1) are fixedly connected with support rods (6), the inside of the support rod (6) is provided with a groove, the inner wall of the opening of the shot blasting machine main frame (1) is fixedly connected with a track (4), the upper and lower surfaces of the access door (2) are provided with rolling devices (3), one end of the two rolling devices (3) respectively extends into the inside of the track (4) and the groove of the support rod (6), the outer surface of the shot blasting machine main frame (1) is provided with a blocking device (11) for limiting the movement of the rolling device (3).

2. The anti-falling maintenance door of a shot blasting machine according to claim 1, characterized in that: Two support rods (6) are fixedly connected with a cross rod (7) for fixing the winding device (10).

3. The anti-drop maintenance door of a shot blasting machine according to claim 1, characterized in that: The winding device (10) comprises a bearing plate (101), one side of the bearing plate (101) is welded on the surface of the cross rod (7), one side of the bearing plate (101) is fixedly connected with a servo motor (102), the output end of the servo motor (102) is fixedly connected with a rotating rod (103), one end of the rotating rod (103) penetrates through the bearing plate (101), the outer wall of the rotating rod (103) is provided with a replaceable winding wheel (104), the winding wheel (104) is wound with the end of the pull rope (9) away from the pull hook (8).

4. The anti-drop maintenance door of a shot blasting machine according to claim 3, characterized in that: The inner wall of the winding wheel (104) is provided with a slot, the outer wall of the rotating rod (103) is fixedly connected with a plug-in plate (105) matched with the slot of the winding wheel (104), one end of the plug-in plate (105) is threadedly connected with the top end of the rotating rod (103).

5. The anti-drop maintenance door of a shot blasting machine according to claim 1, characterized in that: The rolling device (3) comprises a connecting plate (31) welded on the surface of the access door (2), the top surface of the connecting plate (31) is fixedly connected with a protruding rod (32), the top end of the protruding rod (32) is fixedly connected with a roller (33), two rollers (33) are respectively arranged in the inside of the track (4) and the groove of the support rod (6).

6. The anti-drop maintenance door of a shot blasting machine according to claim 1, characterized in that: The blocking device (11) comprises a U-shaped plate (111) fixed on the surface of the shot blasting machine main frame (1), one end of the U-shaped plate (111) is fixedly connected with an air cylinder (112), the output end of the air cylinder (112) is fixedly connected with a blocking rod (113), one end of the blocking rod (113) penetrates through the outer wall of the shot blasting machine main frame (1) and extends into the groove of the track (4), and the blocking rod (113) is slidably connected with the outer wall of the shot blasting machine main frame (1).

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