Carton slitting device and slitting method thereof

Abstract

According to the technical scheme, the carton slitting device comprises a carton conveying platform, a fixed hanging rod and a slitting mechanism; a fixed hanging rod is arranged above the carton conveying platform in parallel, and a plurality of slitting mechanisms capable of moving in the vertical direction are arranged on the fixed hanging rod. The slitting mechanism comprises a fixing inclined rod arranged on a fixing base in a sliding mode, a first carton pressing piece is fixed to the bottom of the fixing inclined rod, a driving piece for driving the fixing inclined rod to move is arranged on the fixing base, a cutting piece is connected to the fixing inclined rod, and the distance between the cutting piece and the first carton pressing piece is fixed. The carton pressing device has the advantages that the distance between the two first carton pressing pieces can be adjusted, the proper distance can be adjusted according to the sizes of cartons, so that the cartons are pressed and limited, in addition, the cutting piece can move along with movement of the first carton pressing pieces, it is guaranteed that the cartons with the proper sizes are cut out, and the carton pressing device is wider in application range.

Description

Technical Field

[0001] The present invention relates to the technical field of carton processing equipment, and in particular to a carton slitting device and a slitting method thereof. Background Art

[0002] Corrugated cardboard is a board material consisting of a corrugated core layer and a covering layer formed between two or more layers of cardboard. The corrugated waves are like connected arched doors, arranged in a row and supporting each other to form a triangular structure. It has good mechanical strength, can withstand a certain amount of pressure on the plane, is elastic, and has a good cushioning effect.

[0003] At present, when cartons made of corrugated cardboard are cut, a separate pressing device is required to press and limit the cartons, and then a cutting device is used to cut the cartons. This method is difficult to cut cartons of different sizes and has a limited scope of application. On the other hand, the cutting process is inefficient and the actual application effect is not good. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention aims to provide a carton slitting device and a slitting method thereof.

[0005] In order to achieve the above object, the technical solution of the present invention is as follows:

[0006] As the present invention is realized by the following technical scheme: a carton cutting device comprises a carton conveying platform, a fixed suspension rod and a cutting mechanism;

[0007] A fixed suspension rod is arranged parallel to the carton conveying platform, and a plurality of slitting mechanisms movable in the vertical direction are arranged on the fixed suspension rod;

[0008] The slitting mechanism includes a fixed oblique rod slidably arranged on a fixed seat, a first carton pressing piece is fixed to the bottom of the fixed oblique rod, a driving piece for driving the fixed oblique rod to move is provided on the fixed seat, a cutting piece is connected to the fixed oblique rod, and the distance between the cutting piece and the first carton pressing piece is fixed.

[0009] Preferably, a first fixing rod is fixed on the fixed oblique rod near the middle position, transverse fixing rods are symmetrically fixed on both sides of the fixing seat, a sliding connection sleeve is fixed on the top of the first fixing rod and is sleeved on the transverse fixing rod, and a reset spring is provided between the first fixing rod and the fixing seat.

[0010] Preferably, the cutting piece includes a fixed bin, a third hydraulic telescopic rod, a first cutter, a connecting spring and an abutment block. The first cutter and the connecting spring are provided at the bottom of the fixed bin. The first cutter is located between the connecting spring and the first carton pressing piece. A abutment block is fixed at the bottom of the connecting spring. The top of the fixed bin is transmission-connected to the third hydraulic telescopic rod. The third hydraulic telescopic rod is slidably arranged on the transverse fixed rod.

[0011] Preferably, a second fixing rod is vertically fixed to the side wall of the first fixing rod, a T-shaped connecting block is provided at the end of the second fixing rod, and a T-shaped sliding groove connected to the T-shaped connecting block is provided on one side of the fixing bin.

[0012] Preferably, the cutting member includes a fixed bin, a fourth hydraulic telescopic rod and a second cutter, the fixed bin is fixed with the fourth hydraulic telescopic rod, the fourth hydraulic telescopic rod is transmission-connected with the second cutter, and the side of the fixed bin is fixed on the first fixed rod.

[0013] Preferably, a second carton pressing piece is fixedly connected to the fixed diagonal rod, the second carton pressing piece and the first carton pressing piece are on the same horizontal plane, and the second cutter is located between the first carton pressing piece and the second carton pressing piece.

[0014] Preferably, a sliding connection groove is provided on the fixed seat for the sliding connection block to slide, the sliding connection block is fixed at one end of the fixed inclined rod, a first hydraulic telescopic rod is fixed on the fixed seat, a trapezoidal block is transmission-connected to the bottom of the first hydraulic telescopic rod, and both sides of the trapezoidal block are always in contact with the sliding connection block.

[0015] Preferably, it also includes a second hydraulic telescopic rod, which is arranged on the fixed suspension rod. The bottom of the second hydraulic telescopic rod is transmission-connected to a fixed frame, and the bottom end of the fixed frame is fixedly connected to a fixed seat.

[0016] Preferably, the first carton pressing piece and the second carton pressing piece have the same structure, and the first carton pressing piece is configured as a round stick-shaped structure or a square-shaped structure.

[0017] A slitting method for a carton slitting device comprises the following steps:

[0018] S1. Place the cartons to be cut on the carton conveying platform, and make the bottom of the cutting mechanism contact the carton;

[0019] S2, the spacing between the first carton pressing parts is adjusted, the first hydraulic telescopic rod works, drives the trapezoidal block to move in the vertical direction, drives the sliding connection block in the fixed seat to move, thereby adjusting the spacing between the first carton pressing parts at the bottom end of the fixed oblique rod;

[0020] S3, the carton is pressed and limited, the second hydraulic telescopic rod works, driving the fixed seat to move downward as a whole, and the carton is squeezed and limited;

[0021] S4, carton cutting, the third hydraulic telescopic rod works, drives the cutter to move, and performs the carton cutting operation. After the carton cutting is completed, the carton can be removed from the carton conveying platform.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The distance between the two first carton pressing parts can be adjusted. According to the size of the carton, a suitable distance can be adjusted to limit the pressing of the carton. In addition, the cutting part will move with the movement of the first carton pressing part, so as to ensure that the carton of the appropriate size is cut. The device has a wider range of applications;

[0024] 2. After the spacing between the two first carton pressing parts is adjusted, the positions of the two first carton pressing parts can be adjusted again by moving the trapezoidal block, so that users can adjust at any time to achieve better practical application effects. In addition, this method can immediately perform cutting operations after the carton limiting is completed. The limiting and cutting are integrated together, which effectively improves the efficiency of carton cutting;

[0025] 3. When the cutting piece is cutting the carton, the first carton pressing piece will always limit the pressing of the carton, so that the position of the carton is stable, the cutting surface of the carton is neat, and the cutting effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings, the same reference numerals are used to refer to the same components. Among them:

[0027] Figure 1 This is a schematic diagram of the overall structure of the carton cutting device according to Embodiment 1 of the present invention;

[0028] Figure 2 This is a schematic structural diagram of a slitting mechanism according to Embodiment 1 of the present invention;

[0029] Figure 3 This is a schematic diagram of the overall structure of the fixed diagonal rod in Example 1 of the present invention;

[0030] Figure 4 This is a schematic diagram of the structure when the fixed bin and the second fixed rod are connected in Embodiment 1 of the present invention;

[0031] Figure 5 This is a schematic diagram of the structure of the first cutter when it is installed and fixed in Embodiment 1 of the present invention;

[0032] Figure 6 This is a schematic diagram of the overall structure of a carton cutting device according to Embodiment 2 of the present invention;

[0033] Figure 7 This is a schematic diagram of the structure of the slitting mechanism of Embodiment 2 of the present invention;

[0034] Figure 8 This is a schematic diagram of the structure of the second cutter when it is installed and fixed according to the second embodiment of the present invention;

[0035] Fig. 9 This is a schematic diagram of the structure of the first carton pressing piece and the second carton pressing piece when they are fixed in accordance with Embodiment 2 of the present invention.

[0036] Explanations in the figure: 10, carton conveying platform; 20, fixed suspension rod; 30, slitting mechanism; 31, fixed seat; 311, sliding connection groove; 312, horizontal fixed rod; 32, fixed oblique rod; 321, sliding connection block; 322, first carton pressing piece; 323, first fixed rod; 324, sliding connection sleeve; 3221, second carton pressing piece; 33, trapezoidal block; 331, first hydraulic telescopic rod; 34, fixed bin; 341, T-shaped slide groove; 342, second fixed rod; 343, T-shaped connection block; 3401, third hydraulic telescopic rod; 3402, first cutter; 3403, connecting spring; 3404, resistance block; 3411, fourth hydraulic telescopic rod; 3412, second cutter; 35, reset spring; 36, second hydraulic telescopic rod; 361, fixed frame. DETAILED DESCRIPTION

[0037] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific implementation modes and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the whole of the present invention or as a limitation or restriction to the technical solution of the present invention.

[0038] Example 1

[0039] like Figure 1-5 As shown, a carton slitting device comprises a carton conveying platform 10, a fixed suspension rod 20 and a slitting mechanism 30;

[0040] A fixed suspension rod 20 is arranged parallel to the carton conveying platform 10, and a plurality of slitting mechanisms 30 movable in the vertical direction are arranged on the fixed suspension rod 20;

[0041] The slitting mechanism 30 includes a fixed oblique rod 32 slidably disposed on a fixed seat 31, a first carton pressing member 322 is fixed to the bottom of the fixed oblique rod 32, a driving member for driving the fixed oblique rod 32 to move is disposed on the fixed seat 31, a cutting member is connected to the fixed oblique rod 32, and the distance between the cutting member and the first carton pressing member 322 is fixed;

[0042] Specifically, the fixed oblique rod 32 is located on the fixed seat 31 and moves in the horizontal direction, which can drive the first carton pressing piece 322 at the bottom of the fixed oblique rod 32 to move accordingly, so that the distance between the two first carton pressing pieces 322 can be adjusted, so as to be suitable for pressing and limiting cartons of different sizes, and then the cartons are cut by the cutting piece;

[0043] The slitting piece is fixedly connected to the fixed diagonal rod 32. When the spacing of the first carton pressing piece 322 is adjusted, the slitting piece will move along with the movement of the fixed diagonal rod 32, so that the slitting piece always cuts the carton close to the first carton pressing piece 322, thereby maintaining the accuracy of the cutting position.

[0044] like Figure 2-3 As shown, a first fixing rod 323 is fixed near the middle position of the fixing oblique rod 32, and transverse fixing rods 312 are symmetrically fixed on both sides of the fixing seat 31. A sliding connection sleeve 324 sleeved on the transverse fixing rod 312 is fixed on the top of the first fixing rod 323. When the fixing oblique rod 32 moves in the horizontal direction, the fixing oblique rod 32 is auxiliaryly restricted to move only in the horizontal direction, and no positional deviation occurs in other directions. A return spring 35 is provided between the first fixing rod 323 and the fixing seat 31.

[0045] When the transverse position of the fixed diagonal rod 32 is adjusted, the action of the return spring 35 will cause the fixed diagonal rod 32 to return to its original position so that the position of the first carton pressing piece 322 can be adjusted next time.

[0046] like Figure 5 As shown, the cutting part includes a fixed bin 34, a third hydraulic telescopic rod 3401, a first cutter 3402, a connecting spring 3403 and a resistance block 3404. The first cutter 3402 and a connecting spring 3403 are provided at the bottom of the fixed bin 34. The first cutter 3402 is located between the connecting spring 3403 and the first carton pressing piece 322. A resistance block 3404 is fixed at the bottom of the connecting spring 3403. The top of the fixed bin 34 is transmission-connected to the third hydraulic telescopic rod 3401, and the third hydraulic telescopic rod 3401 is slidably set on the transverse fixed rod 312.

[0047] like Figure 4As shown, a second fixing rod 342 is vertically fixed to the side wall of the first fixing rod 323, a T-shaped connecting block 343 is provided at the end of the second fixing rod 342, and a T-shaped slide groove 341 connected to the T-shaped connecting block 343 is provided on one side of the fixing bin 34. When the third hydraulic telescopic rod 3401 works, the fixing bin 34 is driven to move, thereby driving the first cutter 3402 provided on the fixing bin 34 to cut the carton;

[0048] A first cutter 3402 and a connecting spring 3403 are provided at the bottom of the fixed bin 34, and the first cutter 3402 is located between the connecting spring 3403 and the first carton pressing piece 322. Through this structural arrangement, on the one hand, the carton close to the edge end can be cut. Since there is less space reserved at the edge end of the carton when it is cut, the connecting spring 3403 squeezes the resistance block 3404, which can occupy very little carton area, thereby limiting the cutting position on both sides of the carton, making the cutting position more stable. On the other hand, the connecting spring 3403 squeezes the resistance block 3404, so that the carton can be pre-pressed by the resistance block 3404. As the first cutter 3402 continues to move downward, the resistance block 3404 will press the carton tighter and tighter, so that the carton cutting effect is better.

[0049] When this embodiment is in use, the cartons that need to be cut are placed at the preset position of the carton conveying platform 10, and the second hydraulic telescopic rod 36 is operated to drive the fixed frame 361 to move accordingly, thereby driving the fixed seat 31 to move in the vertical direction, and the carton is limited and pressed by the first carton pressing member 322 connected to the fixed seat 31. When the position of the carton is restricted, the third hydraulic telescopic rod 3401 is operated to drive the fixed bin 34 to move in the vertical direction, so that the connecting spring 3403 on the fixed bin 34 further presses and limits the position of the carton, and then the first cutter 3402 is used to cut the carton.

[0050] Example 2

[0051] like Figure 6-9 As shown, a carton slitting device comprises a carton conveying platform 10, a fixed suspension rod 20 and a slitting mechanism 30;

[0052] A fixed suspension rod 20 is arranged parallel to the carton conveying platform 10, and a plurality of slitting mechanisms 30 movable in the vertical direction are arranged on the fixed suspension rod 20;

[0053] The slitting mechanism 30 includes a fixed oblique rod 32 slidably set on a fixed seat 31, a first carton pressing piece 322 is fixed to the bottom of the fixed oblique rod 32, a driving piece for driving the fixed oblique rod 32 to move is provided on the fixed seat 31, a cutting piece is connected to the fixed oblique rod 32, and the distance between the cutting piece and the first carton pressing piece 322 is fixed.

[0054] A first fixing rod 323 is fixed near the middle position of the fixed oblique rod 32, and transverse fixing rods 312 are symmetrically fixed on both sides of the fixing seat 31. A sliding connection sleeve 324 is fixed on the top of the first fixing rod 323 and is sleeved on the transverse fixing rod 312. A return spring 35 is provided between the first fixing rod 323 and the fixing seat 31.

[0055] Compared with Example 1, Figure 7-8 As shown, the cutting piece includes a fixed bin 34, a fourth hydraulic telescopic rod 3411 and a second cutter 3412. The fourth hydraulic telescopic rod 3411 is fixed on the fixed bin 34, the second cutter 3412 is transmission-connected to the fourth hydraulic telescopic rod 3411, and the side of the fixed bin 34 is fixed on the first fixed rod 323.

[0056] The fixed bin 34 is fixed on the first fixed rod 323, and a fourth hydraulic telescopic rod 3411 is provided on the fixed bin 34 to drive the second cutter 3412 to move. In this way, the second cutter 3412 will not be offset in position during the cutting process.

[0057] like Fig. 9 As shown, a second carton pressing piece 3221 is fixedly connected to the fixed diagonal rod 32, the second carton pressing piece 3221 and the first carton pressing piece 322 are on the same horizontal plane, and the second cutter 3412 is located between the first carton pressing piece 322 and the second carton pressing piece 3221.

[0058] A second carton pressing piece 3221 parallel to the first carton pressing piece 322 is provided on the fixed diagonal rod 32, which can be used for cutting the carton near the middle position. Through this form of pressing limit, the cutting position of the carton can be made more accurate. During the cutting process, the carton will not be offset in position, and the actual application effect is better.

[0059] The fixed seat 31 is provided with a sliding connection groove 311 for the sliding connection block 321 to slide. The sliding connection block 321 is fixed to one end of the fixed inclined rod 32. The fixed seat 31 is fixed with a first hydraulic telescopic rod 331. The bottom of the first hydraulic telescopic rod 331 is transmission-connected with a trapezoidal block 33. Both sides of the trapezoidal block 33 are always in contact with the sliding connection block 321.

[0060] Specifically, the first hydraulic telescopic rod 331 works to drive the trapezoidal block 33 to move. When the trapezoidal block 33 is set to an isosceles trapezoid, the two sliding connection blocks 321 can move synchronously, and the displacement adjustment amounts of the two sliding connection blocks 321 are equal, thereby adjusting the first carton pressing parts 322 to different spacings between each other, which is suitable for cutting operations on cartons of different sizes.

[0061] It also includes a second hydraulic telescopic rod 36, which is arranged on the fixed boom 20. The bottom of the second hydraulic telescopic rod 36 is connected to a fixed frame 361 in a transmission manner. The bottom end of the fixed frame 361 is fixedly connected to the fixed seat 31. The fixed frame 361 is controlled to move by the second hydraulic telescopic rod 36, and the fixed seat 31 is driven to move as a whole, so that the positions of the first carton pressing piece 322 and the cutting piece can be adjusted.

[0062] The first carton press 322 and the second carton press 3221 have the same structure. The first carton press 322 is configured as a round stick structure or a square structure. The first carton press 322 and the second carton press 3221 of a suitable shape and structure can be selected for use according to actual needs.

[0063] A slitting method for a carton slitting device comprises the following steps:

[0064] S1, placing the carton, placing the carton to be cut on the carton conveying platform 10, and making the bottom end of the cutting mechanism 30 contact the carton;

[0065] S2, the spacing between the first carton pressing pieces 322 is adjusted, the first hydraulic telescopic rod 331 works, drives the trapezoidal block 33 to move in the vertical direction, drives the sliding connection block 321 in the fixed seat 31 to move, thereby adjusting the spacing between the first carton pressing pieces 322 at the bottom end of the fixed oblique rod 32;

[0066] S3, the carton is pressed and limited, the second hydraulic telescopic rod 36 works, driving the fixed seat 31 to move downward as a whole, and the carton is squeezed and limited;

[0067] S4, carton cutting, the third hydraulic telescopic rod 3401 works, drives the cutter to move, and performs carton cutting operation. After the carton cutting is completed, the carton is taken down from the carton conveying platform 10.

[0068] The technical scope of the present invention is not limited to the contents in the above description. Those skilled in the art can make various deformations and modifications to the above embodiments without departing from the technical idea of ​​the present invention, and these deformations and modifications should all fall within the protection scope of the present invention.

Claims

1. A carton cutting device, characterized in that: It comprises a carton conveying platform (10), a fixed suspension rod (20) and a slitting mechanism (30); A fixed suspension rod (20) is arranged parallel to the carton conveying platform (10), and a plurality of slitting mechanisms (30) movable in a vertical direction are arranged on the fixed suspension rod (20); The slitting mechanism (30) comprises a fixed oblique rod (32) slidably arranged on a fixed seat (31), a first carton pressing piece (322) being fixed at the bottom of the fixed oblique rod (32), a driving piece for driving the fixed oblique rod (32) to move being arranged on the fixed seat (31), a cutting piece being connected to the fixed oblique rod (32), and a distance between the cutting piece and the first carton pressing piece (322) being fixed.

2. A carton cutting device according to claim 1, characterized in that: A first fixing rod (323) is fixed on the fixed oblique rod (32) near the middle position, and transverse fixing rods (312) are symmetrically fixed on both sides of the fixing seat (31). A sliding connection sleeve (324) sleeved on the transverse fixing rod (312) is fixed on the top of the first fixing rod (323), and a return spring (35) is provided between the first fixing rod (323) and the fixing seat (31).

3. A carton cutting device according to claim 2, characterized in that: The cutting component comprises a fixed bin (34), a third hydraulic telescopic rod (3401), a first cutter (3402), a connecting spring (3403) and a resistance block (3404); the first cutter (3402) and the connecting spring (3403) are provided at the bottom of the fixed bin (34); the first cutter (3402) is located between the connecting spring (3403) and the first carton pressing component (322); a resistance block (3404) is fixed at the bottom of the connecting spring (3403); the top of the fixed bin (34) is transmission-connected to the third hydraulic telescopic rod (3401); the third hydraulic telescopic rod (3401) is slidably arranged on a transverse fixed rod (312).

4. A carton cutting device according to claim 3, characterized in that: A second fixing rod (342) is vertically fixed to the side wall of the first fixing rod (323); a T-shaped connecting block (343) is provided at the end of the second fixing rod (342); and a T-shaped sliding groove (341) connected to the T-shaped connecting block (343) is provided on one side of the fixing bin (34).

5. A carton cutting device according to claim 2, characterized in that: The cutting member comprises a fixed bin (34), a fourth hydraulic telescopic rod (3411) and a second cutter (3412); the fourth hydraulic telescopic rod (3411) is fixed on the fixed bin (34); the second cutter (3412) is transmission-connected to the fourth hydraulic telescopic rod (3411); and the side of the fixed bin (34) is fixed on the first fixed rod (323).

6. A carton cutting device according to claim 5, characterized in that: A second carton pressing piece (3221) is fixedly connected to the fixed diagonal rod (32); the second carton pressing piece (3221) and the first carton pressing piece (322) are located on the same horizontal plane; and the second cutter (3412) is located between the first carton pressing piece (322) and the second carton pressing piece (3221).

7. A carton cutting device according to claim 1, characterized in that: The fixed seat (31) is provided with a sliding connection groove (311) for the sliding connection block (321) to slide. The sliding connection block (321) is fixed to one end of the fixed inclined rod (32). A first hydraulic telescopic rod (331) is fixed to the fixed seat (31). The bottom of the first hydraulic telescopic rod (331) is transmission-connected to a trapezoidal block (33). Both sides of the trapezoidal block (33) are always in contact with the sliding connection block (321).

8. A carton cutting device according to claim 7, characterized in that: It also includes a second hydraulic telescopic rod (36), which is arranged on the fixed suspension rod (20), the bottom of the second hydraulic telescopic rod (36) is transmission-connected to a fixed frame (361), and the bottom end of the fixed frame (361) is fixedly connected to a fixed seat (31).

9. A carton cutting device according to claim 6, characterized in that: The first carton pressing piece (322) and the second carton pressing piece (3221) have the same structure, and the first carton pressing piece (322) is configured as a round stick-shaped structure or a square-shaped structure.

10. A carton slitting method according to claim 5, characterized in that: The following steps are involved: S1, placing cartons, placing cartons to be cut on the carton conveying platform (10), and pressing the bottom end of the cutting mechanism (30) against the carton; S2, the spacing between the first carton pressing pieces (322) is adjusted, the first hydraulic telescopic rod (331) works, drives the trapezoidal block (33) to move in the vertical direction, drives the sliding connection block (321) in the fixed seat (31) to move, thereby adjusting the spacing between the first carton pressing pieces (322) at the bottom end of the fixed oblique rod (32); S3, the carton is pressed and limited, the second hydraulic telescopic rod (36) works, driving the fixed seat (31) to move downward as a whole, and the carton is squeezed and limited; S4, carton cutting, the third hydraulic telescopic rod (3401) works, drives the cutter to move, and performs the carton cutting operation. After the carton cutting is completed, the carton is removed from the carton conveying platform (10).

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