Box erecting swing rod device of box unpacking machine

Abstract

A box erecting swing rod device of a box unpacking machine comprises a machine frame, a swing rod, a first gear, a rotating shaft device, a second gear, a spring and a blocking piece. The second gear is rotatably arranged on the front side of the rack, a slotted hole is formed in the rack, and the slotted hole is an arc-shaped groove with a rotating shaft of the second gear as the axis; the rotating shaft device comprises a shaft rod, the shaft rod sequentially penetrates through the slotted hole and the front plate, a first gear, a spring and a blocking piece are sequentially arranged on the shaft rod from back to front, the two ends of the spring abut against the blocking piece and the first gear respectively, and the first gear is meshed with the second gear; the front end of the swing rod is fixed to the first gear, and the rear end of the swing rod extends backwards. According to the utility model, the rotation range of the swing rod can be adjusted by adjusting the position of the first gear relative to the second gear. The first gear driving the swing rod to rotate is pressed backwards by the spring, and the first gear cannot be loosened in the rotating process. The supporting leg device can support and fix the swing rod rotating to the set position, and the swing rod is not prone to deformation when stressed.

Description

Technical Field

[0001] The utility model relates to the field of pure water production equipment, in particular to a box-standing swing rod device of a box-opening machine. Background Art

[0002] After pure water is produced, it needs to be packaged in cartons. Carton materials are generally folded and compressed in a flat form. Before use, the carton needs to be unfolded and adjusted by a carton opener. Traditional carton openers use a swing rod device to rotate to push the carton to change its shape. The swing rod rotation range of traditional swing rod devices is difficult to adjust, and one end of the swing rod is overhanging. The torque on the swing rod shaft position is large. The swing rod rotates back and forth continuously, and it is easy to loosen after working for a long time. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned shortcomings and provide a box erecting swing arm device of a box opening machine, which has the advantages that the swing arm rotation range is easy to adjust and is not easy to loosen.

[0004] To achieve the above purpose, the technical solution of the utility model is: a box erecting swing arm device of a box opening machine, comprising a frame, a swing arm, a first gear, a rotating shaft device, a second gear, a spring, and a baffle;

[0005] The second gear is rotatably arranged at the front side of the frame, a driving device for driving the second gear to rotate is arranged on the frame, and a slot hole penetrating the front and rear ends of the frame is arranged on the frame, and the slot hole is an arc-shaped slot with the rotation axis of the second gear as the axis center;

[0006] The shaft device comprises a shaft seat, a front plate, and a shaft rod. The shaft seat is arranged at the rear side of the frame, the front plate is arranged at the front side of the frame, the shaft rod is arranged at the front end of the shaft seat and extends forward, the shaft rod passes through the slot hole and the front plate in sequence, a first bolt and a second bolt are arranged on the shaft seat, the first bolt passes through the slot hole and is threadedly connected with the front plate, and the second bolt abuts against the frame or is threadedly connected with the frame;

[0007] The first gear, the spring and the baffle are arranged on the shaft rod in sequence from the back to the front, the two ends of the spring respectively abut against the baffle and the first gear, the first gear is rotatably arranged on the shaft rod and arranged in front of the front plate, and the first gear is meshed with the second gear;

[0008] The front end of the swing rod is fixed on the first gear, and the rear end of the swing rod extends backwards.

[0009] The shaft device is fixed to the frame by the first bolt and the second bolt. By adjusting the position of the shaft on the slot, the position of the first gear relative to the second gear can be adjusted. When the second gear rotates at the same angle, the rotation angle of the swing rod connected to the first gear will change due to the change in the position of the first gear. When the first gear rotates with the swing rod, the first gear is pressed backward by the spring, and the first gear will not loosen during the rotation process.

[0010] Preferably, it also includes a front frame, a first sensor, a second sensor, and a control device. The front frame is arranged in front of the frame, and the first sensor and the second sensor are arranged at the rear end of the front frame to detect whether the swing arm is approaching. The first sensor, the second sensor, and the driving device are all connected to the control device.

[0011] The first sensor and the second sensor are used to detect whether the swing arm rotates to a set position. When the swing arm rotates to the position of the first sensor or the second sensor, the first sensor or the second sensor sends an in-position signal to the control device. The control device controls other devices of the box opener according to the in-position signal.

[0012] Preferably, the back of the frame is provided with a plurality of screw holes above and below the slotted hole, the screw holes above the slotted hole are distributed in a ring shape with the axis of the second gear as the center, and the screw holes below the slotted hole are distributed in a ring shape with the axis of the second gear as the center, and the second bolts can be locked into the screw holes. When the shaft rod is adjusted to a specified position in the slotted hole, the second bolt can be locked with the screw hole on the frame, and then the first bolt can be locked, and the shaft seat, the front plate, and the frame can be locked together by the first bolt and the second bolt.

[0013] Preferably, it also includes a leg device, the top surface of the rear part of the swing arm is provided with a slide groove, the bottom of the slide groove is provided with a through groove, the leg device includes a slider, an air suction pipe, a movable rod, and a suction cup, the slider is movably arranged in the slide groove, the lower end of the movable rod extends from the lower end of the slider and passes downward through the through groove, the suction cup is arranged at the lower end of the movable rod, the air suction pipe is connected to the upper end of the movable rod, and an air suction channel is arranged in the movable rod, the air suction channel connects the air suction pipe and the suction cup. When the swing arm is rotated to a specific angle, the suction cup is aligned with the frame, and the suction cup can suck the frame, so that the rear end of the swing arm is fixed.

[0014] Preferably, the movable rod can be moved up and down and is arranged on the slider. The movable rod is provided with an upper limit block above the slider. The movable rod is provided with a second spring below the slider, and the upper end of the second spring abuts against the lower part of the slider.

[0015] By adopting the above technical solution, the utility model has the following beneficial effects: the utility model can adjust the rotation range of the swing rod by adjusting the position of the first gear relative to the second gear. The first gear that drives the swing rod to rotate is pressed backward by the spring, and the first gear will not loosen during the rotation process. The leg device can support and fix the swing rod rotated to the set position, and the swing rod is not easily deformed when subjected to force. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a partial view of the rear side of the utility model;

[0018] Figure 3 It is a partial view of the front side of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the outrigger device of the utility model.

[0020] Description of main reference numerals:

[0021] Frame 1; slot hole 11; screw hole 12; driving device 13; first gear 21; second gear 22; swing arm 23; slide slot 231; through slot 232; shaft device 3; first bolt 31; second bolt 32; shaft seat 33; front plate 34; front frame 4; first sensor 41; second sensor 42; leg device 5; slider 51; suction pipe 52; movable rod 53; suction cup 54; second spring 55; spring 6; baffle 7. DETAILED DESCRIPTION

[0022] The present invention is further described below with reference to the accompanying drawings and specific embodiments.

[0023] like Figure 1-Figure 4 As shown, the utility model is a box erecting swing arm device of a box opening machine, comprising a frame 1, a swing arm 23, a first gear 21, a rotating shaft device 3, a second gear 22, a spring 6, a baffle 7, and a leg device 5.

[0024] The second gear 22 is rotatably arranged at the front side of the frame 1. The frame 1 is provided with a driving device 13 for driving the second gear 22 to rotate. The driving device is a motor or a rotary cylinder. The frame 1 is provided with a slot 11 that runs through the front and rear ends of the frame 1. The slot 11 is an arc-shaped slot with the rotation axis of the second gear 22 as the axis center. The back of the frame 1 is provided with a plurality of screw holes 12 above and below the slot 11. The screw holes 12 above the slot 11 are distributed in a ring shape with the axis center of the second gear as the center, and the screw holes below the slot are distributed in a ring shape with the axis center of the second gear as the center.

[0025] The shaft device 3 includes a shaft seat 33, a front plate 34, and a shaft rod. The shaft seat 33 is arranged at the rear side of the frame 1, the front plate 34 is arranged at the front side of the frame 1, the shaft rod is arranged at the front end of the shaft seat 33 and extends forward, and the shaft rod passes through the slot hole 11 and the front plate 34 in sequence. The shaft seat 33 is provided with a first bolt 31 and a second bolt 32, the first bolt 31 passes through the slot hole 11 and is threadedly connected to the front plate 34, and there are two second bolts 32, and the two second bolts 32 are respectively threadedly connected to the screw holes 12 above and below the slot hole 11.

[0026] like Figure 3 As shown, the first gear 21, the spring 6 and the baffle 7 are arranged on the shaft rod in sequence from back to front, the two ends of the spring 6 respectively abut the baffle 7 and the first gear 21, the first gear 21 is rotatably arranged on the shaft rod and is arranged in front of the front plate 34, and the first gear 21 is meshed with the second gear 22; the front end of the rocker arm 23 is fixed on the first gear 21, and the rear end of the rocker arm 23 extends backward.

[0027] The box erecting swing arm device of the box opening machine further includes a front frame 4, a first sensor 41, a second sensor 42, and a control device. The front frame 4 is arranged in front of the frame 1, and the first sensor and the second sensor are arranged at the rear end of the front frame for detecting whether the swing arm is approaching, and the first sensor 41, the second sensor 42, and the driving device 13 are all connected to the control device. The first sensor 41 and the second sensor 42 are respectively arranged on the left and right sides of the shaft rod and protrude backward from the front frame, and are used to detect the position of the swing arm and send the position state of the swing arm to the control device.

[0028] A slide groove 231 is provided on the top surface of the rear portion of the swing rod 23, and a through groove 232 is provided at the bottom of the slide groove 231. Figure 4 As shown, the leg device 5 includes a slider 51, an air suction pipe 52, a movable rod 53, a suction cup 54, and a second spring 55. The slider 51 is movably arranged in the slide groove 231, and the swing rod 23 is provided with a locking screw for locking the slider. The lower end of the movable rod 53 extends from the lower end of the slider and passes downward through the through groove 232. The suction cup is arranged at the lower end of the movable rod. The air suction pipe 52 is connected to the upper end of the movable rod 53. The movable rod 53 is provided with an air suction channel, and the air suction channel connects the air suction pipe 52 and the suction cup 54. The air suction pipe is used to draw air into the air suction channel so that the suction cup can be adsorbed at a position where it can be attached. The movable rod is movably arranged on the slider, and the movable rod is provided with an upper limit block above the slider. The movable rod 53 is provided with a second spring 55 below the slider, and the upper end of the second spring 55 abuts against the lower part of the slider 51.

[0029] The shaft can move with the first gear in the slot to adjust the position of the first gear. After the position is adjusted, the first bolt and the second bolt are tightened at the same time to fix the rotating shaft device on the frame. The second gear can drive the first gear to rotate so that the pendulum arm swings. The leg device at the rear end of the pendulum arm can be adsorbed on the designated table by an inflatable suction cup to support the pendulum arm.

[0030] The above-mentioned are only preferred embodiments of the present invention and cannot limit the scope of implementation of the present invention. All equivalent changes and decorations made according to the scope of the patent application of the present invention should still fall within the scope covered by the present invention.

Claims

1. A box erecting swing arm device for a box opening machine, characterized in that: It includes a frame, a swing rod, a first gear, a rotating shaft device, a second gear, a spring, and a baffle; The second gear is rotatably arranged at the front side of the frame, a driving device for driving the second gear to rotate is arranged on the frame, and a slot hole penetrating the front and rear ends of the frame is arranged on the frame, and the slot hole is an arc-shaped slot with the rotation axis of the second gear as the axis center; The shaft device comprises a shaft seat, a front plate, and a shaft rod. The shaft seat is arranged at the rear side of the frame, the front plate is arranged at the front side of the frame, the shaft rod is arranged at the front end of the shaft seat and extends forward, the shaft rod passes through the slot hole and the front plate in sequence, a first bolt and a second bolt are arranged on the shaft seat, the first bolt passes through the slot hole and is threadedly connected with the front plate, and the second bolt abuts against the frame or is threadedly connected with the frame; The first gear, the spring and the baffle are arranged on the shaft rod in sequence from the back to the front, the two ends of the spring respectively abut against the baffle and the first gear, the first gear is rotatably arranged on the shaft rod and arranged in front of the front plate, and the first gear is meshed with the second gear; The front end of the swing rod is fixed on the first gear, and the rear end of the swing rod extends backwards.

2. The box erecting swing arm device of a box opening machine according to claim 1, characterized in that: It also includes a front frame, a first sensor, a second sensor, and a control device. The front frame is arranged in front of the frame. The first sensor and the second sensor are arranged at the rear end of the front frame to detect whether the swing arm is approaching. The first sensor, the second sensor, and the driving device are all connected to the control device.

3. The box erecting swing arm device of a box opening machine according to claim 1, characterized in that: The back of the frame is provided with a plurality of screw holes above and below the slotted hole. The screw holes above the slotted hole are distributed in a ring shape with the axis of the second gear as the center, and the screw holes below the slotted hole are distributed in a ring shape with the axis of the second gear as the center. The second bolts can be locked into the screw holes.

4. The box erecting swing arm device of a box opening machine according to claim 1, characterized in that: It also includes a leg device, a slide groove is provided on the top surface of the rear part of the swing rod, a through groove is provided on the bottom of the slide groove, the leg device includes a slider, an air suction pipe, a movable rod, and a suction cup, the slider is movably arranged in the slide groove, the lower end of the movable rod extends from the lower end of the slider and passes downward through the through groove, the suction cup is arranged at the lower end of the movable rod, the air suction pipe is connected with the upper end of the movable rod, an air suction channel is provided in the movable rod, and the air suction channel connects the air suction pipe and the suction cup.

5. The box erecting swing arm device of a box opening machine according to claim 1, characterized in that: The movable rod can be moved up and down and is arranged on the slider. The movable rod is provided with an upper limit block above the slider. The movable rod is provided with a second spring below the slider, and the upper end of the second spring abuts against the lower part of the slider.

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