Automatic discharging mechanism for packaging boxes

Abstract

The utility model relates to the technical field of packaging box production, in particular to an automatic discharging mechanism for packaging boxes. Comprising a rack, a transmission belt, a pressing plate, a limiting frame, a first movable connecting piece, a second movable connecting piece and a plurality of limiting strips. A power assembly used for driving the transmission belt to rotate is installed on the machine frame. The multiple limiting strips are arranged on the outer surface of the transmission roller at equal intervals. The limiting frame comprises a front side plate, a left side plate, a right side plate and a rear side plate; the first movable connecting piece is mounted on the front side fixing plate, and two ends are respectively connected with the left side plate and the right side plate; the left side plate, the right side plate and the rear side plate are movably connected through second movable connecting pieces; a third movable connecting piece is connected between the left side plate and the right side plate, and a driving assembly is connected between the pressing plate and the third movable connecting piece. The automatic discharging device can automatically discharge a plurality of stacked packaging boxes, and is simple in structure, low in manufacturing cost and high in applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging box production, in particular to an automatic unloading mechanism for packaging boxes. Background Art

[0002] During the processing of paper product packaging boxes, the cardboard packaging boxes are piled together and cut uniformly. After the uniform cutting is completed, the staff will separate the piles of cardboard packaging boxes one by one and place them directly in front of the staff through a conveyor belt or for later processing.

[0003] In the prior art, a feeder feeding mechanism is usually used to feed the stacked packaging papers. A rotating wheel is installed to press the rotating wheel against the upper surface of the stacked packaging boxes, and a lifting mechanism is set on the lower surface of the stacked packaging boxes so that the packaging box at the top is always released from the rotating wheel. When the rotating wheel is driven to rotate, the packaging box at the top can be pushed to one side. However, its manufacturing cost is relatively high. If manual feeding is used, the feeding efficiency will be affected. Utility Model Content

[0004] The utility model aims to solve the problems existing in the background technology and propose an automatic unloading mechanism for packaging boxes.

[0005] The technical solution of the utility model is an automatic unloading mechanism for a packaging box, comprising:

[0006] A frame and a transmission belt, wherein a power assembly for driving the transmission belt to rotate is installed on the frame;

[0007] A plurality of limit strips, wherein the plurality of limit strips are equidistantly arranged on the outer surface of the transmission roller;

[0008] The limit frame includes a front side plate, a left side plate, a right side plate and a rear side plate. The front side plate includes a front rotating plate and a front fixed plate. A linear drive mechanism for driving the front fixed plate to rise and fall is installed on the frame. The front rotating plate is rotatably installed on the front fixed plate. A limit piece is installed on the front rotating plate.

[0009] A first movable connecting member, the first movable connecting member is mounted on the front fixing plate, and two ends of the first movable connecting member are respectively connected to the left plate and the right plate;

[0010] A second movable connecting member, the left side panel, the right side panel and the rear side panel are movably connected via the second movable connecting member;

[0011] A third movable connecting piece is connected between the pressure plate, the left plate and the right plate, and a driving component is connected between the pressure plate and the third movable connecting piece.

[0012] Preferably, the third movable connecting member includes a first sleeve and two first L-shaped rods slidably arranged at both ends thereof, and the two first L-shaped rods are respectively connected to the left side plate and the right side plate.

[0013] Preferably, two groups of drive components are provided, and the drive components include a traction rope, a rotating seat and a fixed pulley. The rotating seat is installed on the first sleeve, and the fixed pulley is rotatably installed on the rotating seat. The traction rope is wound around the fixed pulley, and the two ends of the traction rope are respectively connected to the pressure plate and the front rotating plate.

[0014] Preferably, the fixing assembly includes a hook and a limiting ring, a connecting rope is connected between the hook and the front rotating plate, and the limiting ring is fixed to the side of the frame.

[0015] Preferably, the limiting member includes an L-shaped limiting rod, an L-shaped movable hole is opened on one side of the bottom end of the front rotating plate, the L-shaped limiting rod is slidably arranged on the inner side of the L-shaped movable hole, and a limiting groove is opened on the front fixed plate for inserting the bottom end of the L-shaped limiting rod.

[0016] Preferably, the first movable connecting member includes a second sleeve and two second L-shaped rods, the second sleeve is installed on the front fixed plate, the two second L-shaped rods are slidably installed on both sides of the second sleeve, the two second L-shaped rods are respectively connected to the left plate and the right plate, and both ends of the second sleeve are threadedly connected with the first locking bolt.

[0017] Preferably, the second movable connecting member includes a fourth sleeve, two third sleeves and two third L-shaped rods, the fourth sleeve is installed on the rear side plate, the two third sleeves are respectively installed on the left side plate and the right side plate, the fourth sleeve is connected to the third sleeves on both sides through the third L-shaped rod, the two ends of the third L-shaped rod are respectively slidably arranged on the inner sides of the third sleeve and the fourth sleeve, the third sleeve is threadedly connected with the second locking bolt, and the two ends of the fourth sleeve are threadedly connected with the third locking bolt.

[0018] Preferably, the power assembly includes a servo motor and two transmission rollers, the two transmission rollers are rotatably mounted on the frame, the transmission belt sleeve is mounted on the two transmission rollers, the servo motor is mounted on the frame and its output shaft is connected to the rotating shaft of the transmission roller.

[0019] Preferably, a support plate is provided on the frame, and the support plate is in contact with the inner upper surface of the transmission belt.

[0020] Compared with the prior art, the utility model has the following beneficial technical effects: the transmission belt drives multiple limit bars to move during the movement, and the limit bars push the bottom packaging box to move during the movement, and so on, so that the stacked packaging boxes can be evenly and orderly arranged on the transmission belt, and the transmission belt then transports the packaging boxes to the next workstation; in summary, the utility model can realize the automatic unloading of multiple stacked packaging boxes, and its structure is streamlined, the manufacturing cost is low, and the applicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 and Figure 3 All of them are structural schematic diagrams of the limiting frame, the pressing plate, the first movable connecting member, the second movable connecting member and the third movable connecting member in the utility model.

[0023] Figure 4 This is a cross-sectional structural diagram of the front side plate of the utility model

[0024] : 1. frame; 201. servo motor; 202. transmission roller; 203. transmission belt; 3. pressure plate; 411. front rotating plate; 4111. L-shaped movable hole; 412. front fixed plate; 4121. limiting groove; 42. left side plate; 43. right side plate; 44. rear side plate; 5. limiting strip; 61. first sleeve; 62. first L-shaped rod; 71. second sleeve; 72. third sleeve; 73. fourth sleeve; 81. second L-shaped rod; 82. third L-shaped rod; 9. traction rope; 10. rotating seat; 11. hook; 12. connecting rope; 13. limiting ring; 14. L-shaped limiting rod; 15. fixed pulley; 161. first locking bolt; 162. second locking bolt; 163. third locking bolt. DETAILED DESCRIPTION

[0025] Embodiment 1

[0026] like Figure 1-Figure 3 As shown, the automatic unloading mechanism of a packaging box proposed in this embodiment includes a frame 1, a transmission belt 203, a pressing plate 3, a limiting frame, a first movable connecting member, a second movable connecting member and a plurality of limiting bars 5.

[0027] A power assembly for driving the transmission belt 203 to rotate is installed on the frame 1, and the power assembly includes a servo motor 201 and two transmission rollers 202. The two transmission rollers 202 are both rotatably installed on the frame 1, and the transmission belt 203 is sleeved and installed on the two transmission rollers 202. The servo motor 201 is installed on the frame 1 and its output shaft is connected to the rotating shaft of the transmission roller 202. The servo motor 201 is started to drive the transmission roller 202 to rotate, and the rotation of the transmission roller 202 drives the transmission belt 203 to move; a support plate is arranged on the frame 1, and the support plate contacts the inner upper surface of the transmission belt 203. The setting of the support plate can support the upper end of the transmission belt 203 to prevent the upper end of the transmission belt 203 from falling; a plurality of limit strips 5 are equidistantly arranged on the outer surface of the transmission roller 202.

[0028] The limiting frame includes a front side plate, a left side plate 42, a right side plate 43 and a rear side plate 44, the front side plate includes a front rotating plate 411 and a front fixed plate 412, a linear driving mechanism for driving the front fixed plate 412 to rise and fall is installed on the frame 1, the front rotating plate 411 is rotatably installed on the front fixed plate 412, a limiting member is installed on the front rotating plate 411, the limiting member includes an L-shaped limiting rod 14, an L-shaped movable hole 4111 is provided on one side of the bottom end of the front rotating plate 411, the L-shaped limiting rod 14 is slidably arranged on the inner side of the L-shaped movable hole 4111, a limiting groove 4121 is provided on the front fixed plate 412 for inserting the bottom end of the L-shaped limiting rod 14, the L-shaped limiting rod 14 is pulled upwards to move its end out of the limiting groove 4121, thereby releasing the limiting work on the front rotating plate 411, and the rotation of the front rotating plate 411 can be realized.

[0029] The first movable connecting member is installed on the front fixed plate 412, and its two ends are respectively connected to the left side plate 42 and the right side plate 43; the left side plate 42, the right side plate 43 and the rear side plate 44 are movably connected through the second movable connecting member.

[0030] A third movable connecting member is connected between the left side plate 42 and the right side plate 43 , and a driving assembly is connected between the pressing plate 3 and the third movable connecting member.

[0031] The front rotating plate 411 is flipped downward, and then the punched and stacked packaging boxes are placed under the pressing plate 3, and then the front rotating plate 411 is rotated and reset, and the front rotating plate 411 is fixed by the set limiting piece, and the set pressing plate 3 is pressed on the stacked packaging boxes to avoid the packaging boxes from arching or warping, and ensure that the packaging boxes are fully flattened. The set front side plate, left side plate 42, right side plate 43 and rear side plate 44 can realize the limiting work of the packaging boxes, and the set linear drive mechanism drives the limiting frame to move up and down, so that the gap between the limiting frame and the transmission belt 203 only allows a single packaging box to pass through, and then the servo motor 201 is started to drive the transmission roller 202 to rotate, thereby driving the transmission belt 203 to move, and the transmission belt 203 drives multiple limiting strips 5 to move during the movement, and the limiting strips 5 push the bottom packaging box to move during the movement, and so on, so that the stacked packaging boxes can be evenly and orderly arranged on the transmission belt 203, and the transmission belt 203 then transports the packaging boxes to the next station.

[0032] Embodiment 2

[0033] like Figure 1 and Figure 2As shown, the present embodiment proposes an automatic unloading mechanism for a packaging box. Compared with the first embodiment, in the present embodiment, the third movable connecting member includes a first sleeve 61 and two first L-shaped rods 62 slidably arranged at both ends thereof, and the two first L-shaped rods 62 are respectively connected to the left side plate 42 and the right side plate 43; the setting of the third movable connecting member enables the distance between the first sleeve 61 and the front side plate to remain unchanged, thereby avoiding the change in the distance between the first sleeve 61 and the front side plate, which causes the pressure plate 3 to be displaced.

[0034] There are two groups of driving components, which include a traction rope 9, a rotating seat 10 and a fixed pulley 15. The rotating seat 10 is installed on the first sleeve 61, and the fixed pulley 15 is rotatably installed on the rotating seat 10. The traction rope 9 is wound around the fixed pulley 15. The two ends of the traction rope 9 are respectively connected to the pressure plate 3 and the front rotating plate 411. When the front rotating plate 411 is flipped downward, the pressure plate 3 is driven to move upward by the set traction rope 9, thereby facilitating the placement of the packaging box.

[0035] The fixing assembly includes a hook 11 and a limiting ring 13. A connecting rope 12 is connected between the hook 11 and the front rotating plate 411. The limiting ring 13 is fixed to the side of the frame 1. After the front rotating plate 411 is rotated to a limited position, the hook 11 is hooked in the hole of the limiting ring 13, thereby achieving the limitation of the front rotating plate 411.

[0036] Embodiment 3

[0037] like Figure 2 and Figure 3 As shown, the present embodiment proposes an automatic unloading mechanism for a packaging box. Compared with the first embodiment, in the present embodiment, the first movable connecting member includes a second sleeve 71 and two second L-shaped rods 81. The second sleeve 71 is installed on the front fixed plate 412. The two second L-shaped rods 81 are slidably installed on both sides of the second sleeve 71, respectively. The two second L-shaped rods 81 are respectively connected to the left side plate 42 and the right side plate 43. Both ends of the second sleeve 71 are threadedly connected with the first locking bolt 161. Through the arrangement of the above structure, the distance between the left side plate 42 and the right side plate 43 is adjustable.

[0038] The second movable connecting member includes a fourth sleeve 73, two third sleeves 72 and two third L-shaped rods 82. The fourth sleeve 73 is installed on the rear side plate 44, and the two third sleeves 72 are respectively installed on the left side plate 42 and the right side plate 43. The fourth sleeve 73 is connected to the third sleeves 72 on both sides through the third L-shaped rod 82. The two ends of the third L-shaped rod 82 are respectively slidably arranged on the inner sides of the third sleeve 72 and the fourth sleeve 73. The third sleeve 72 is threadedly connected with the second locking bolt 162, and the two ends of the fourth sleeve 73 are threadedly connected with the third locking bolt 163. Through the arrangement of the above structure, the distance between the rear side plate 44 and the front side plate is adjustable.

[0039] By means of the first movable connecting member and the second movable connecting member, the distance between the front side plate and the rear side plate 44 and the distance between the left side plate 42 and the right side plate 43 are adjustable, thereby enabling the position limiting work for packaging boxes of different sizes.

[0040] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An automatic unloading mechanism for a packaging box, characterized in that: include: A frame (1) and a transmission belt (203), wherein a power assembly for driving the transmission belt (203) to rotate is installed on the frame (1); A plurality of limit strips (5), wherein the plurality of limit strips (5) are arranged at equal intervals on the outer surface of the driving roller (202); A limit frame, the limit frame comprising a front side plate, a left side plate (42), a right side plate (43) and a rear side plate (44); the front side plate comprising a front side rotating plate (411) and a front side fixed plate (412); a linear drive mechanism for driving the front side fixed plate (412) to rise and fall is installed on the frame (1); the front side rotating plate (411) is rotatably installed on the front side fixed plate (412); and a limit member is installed on the front side rotating plate (411); A first movable connecting member, the first movable connecting member is mounted on the front fixed plate (412) and its two ends are respectively connected to the left side plate (42) and the right side plate (43); A second movable connecting member, the left side plate (42), the right side plate (43) and the rear side plate (44) are movably connected via the second movable connecting member; A third movable connecting member is connected between the pressing plate (3), the left side plate (42) and the right side plate (43), and a driving assembly is connected between the pressing plate (3) and the third movable connecting member.

2. The automatic unloading mechanism for a packaging box according to claim 1, characterized in that: The third movable connecting member comprises a first sleeve (61) and two first L-shaped rods (62) slidably arranged at two ends thereof, and the two first L-shaped rods (62) are respectively connected to the left side plate (42) and the right side plate (43).

3. The automatic unloading mechanism for a packaging box according to claim 2, characterized in that: The driving assembly is provided with two groups, and the driving assembly comprises a traction rope (9), a rotating seat (10) and a fixed pulley (15). The rotating seat (10) is mounted on the first sleeve (61), and the fixed pulley (15) is rotatably mounted on the rotating seat (10). The traction rope (9) is wound around the fixed pulley (15), and the two ends of the traction rope (9) are respectively connected to the pressure plate (3) and the front rotating plate (411).

4. The automatic unloading mechanism for packaging boxes according to claim 3, characterized in that: The fixing assembly comprises a hook (11) and a limiting ring (13); a connecting rope (12) is connected between the hook (11) and the front rotating plate (411); and the limiting ring (13) is fixed to the side of the frame (1).

5. The automatic unloading mechanism for packaging boxes according to claim 1, characterized in that: The limiting member comprises an L-shaped limiting rod (14), an L-shaped movable hole (4111) is provided on one side of the bottom end of the front rotating plate (411), the L-shaped limiting rod (14) is slidably arranged on the inner side of the L-shaped movable hole (4111), and a limiting groove (4121) is provided on the front fixed plate (412) for the bottom end of the L-shaped limiting rod (14) to be inserted.

6. The automatic unloading mechanism for packaging boxes according to claim 1, characterized in that: The first movable connecting member comprises a second sleeve (71) and two second L-shaped rods (81). The second sleeve (71) is mounted on the front fixing plate (412). The two second L-shaped rods (81) are slidably mounted on both sides of the second sleeve (71). The two second L-shaped rods (81) are respectively connected to the left side plate (42) and the right side plate (43). Both ends of the second sleeve (71) are threadedly connected with the first locking bolts (161).

7. The automatic unloading mechanism for packaging boxes according to claim 6, characterized in that: The second movable connecting member comprises a fourth sleeve (73), two third sleeves (72) and two third L-shaped rods (82). The fourth sleeve (73) is mounted on the rear side plate (44). The two third sleeves (72) are respectively mounted on the left side plate (42) and the right side plate (43). The fourth sleeve (73) is connected to the third sleeves (72) on both sides through the third L-shaped rods (82). The two ends of the third L-shaped rods (82) are respectively slidably arranged on the inner sides of the third sleeve (72) and the fourth sleeve (73). The third sleeve (72) is threadedly connected with a second locking bolt (162). The two ends of the fourth sleeve (73) are threadedly connected with the third locking bolts (163).

8. The automatic unloading mechanism for packaging boxes according to claim 1, characterized in that: The power assembly comprises a servo motor (201) and two transmission rollers (202), the two transmission rollers (202) are both rotatably mounted on the frame (1), a transmission belt (203) is sleeved and mounted on the two transmission rollers (202), the servo motor (201) is mounted on the frame (1) and its output shaft is connected to the rotating shaft of the transmission roller (202).

9. The automatic unloading mechanism for packaging boxes according to claim 8, characterized in that: A support plate is provided on the frame (1), and the support plate is in contact with the inner upper surface of the transmission belt (203).

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