Corner cutting device for plastic self-sealing bag processing

Abstract

The utility model relates to the technical field of plastic bags, and discloses a corner cutting device for plastic self-sealing bag processing, which comprises a base, four corners of the bottom surface of the base are fixedly connected with supporting legs, two sides of the base are fixedly connected with side plates, opposite sides of the two side plates are rotatably connected with a plurality of rotating columns, and the rotating columns are fixedly connected with the supporting legs. The outer walls of the multiple rotating columns are movably sleeved with a conveying belt, a transmission threaded rod drives one first T-shaped block to move, one first T-shaped block drives one supporting plate, one connecting plate, one limiting block and a protection plate to move, and the protection plate drives the other supporting plate, the other connecting plate, the other first T-shaped block and the other limiting block to move. According to the self-sealing bag cutting device, the two first T-shaped blocks slide in the two first T-shaped grooves, and the two limiting blocks are slidably connected in the two limiting grooves, so that the stability of the two blades during movement and the safety of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic bags, more particularly to a plastic self-sealing bag processing corner cutting device. BACKGROUND

[0002] Plastic self-sealing bags are plastic bags with a reusable sealing function, commonly used for storing food, documents, jewelry and other items. During the processing of plastic self-sealing bags, corner cutting is an important step that helps ensure the neatness and aesthetics of the bags. This process removes excess edge material, ensuring that the edges of the self-sealing bag are flat and free of excess plastic film. This allows for a tighter and more even seal when the bag is closed. This requires the use of a corner cutting device.

[0003] Patent No. CN222201888U discloses a plastic self-sealing bag processing corner cutting device. The device includes a box body, two detachable fixed pieces on the top of the box body, two installation plates fixed to the top of the two fixed pieces, a connecting piece detachably connected to the outer wall of the box body, an installation piece fixed to the top of the connecting piece, a motor detachably connected to the inner wall of the installation piece, a double-direction transmission screw rod fixed to the drive end of the motor, and two installation blocks fixed to the top of the two installation plates. However, the existing technology's connection mechanism for detaching the blades is not convenient for long-term use, and the existing technology is too complex when adjusting the movement of the two blades.

[0004] To address the problems in the prior art, we provide a plastic self-sealing bag processing corner cutting device. INVENTION CONTENTS

[0005] To overcome the above-mentioned defects of the prior art, the utility model provides a plastic self-sealing bag processing corner cutting device to solve the problems in the background art.

[0006] The utility model provides the following technical scheme: a plastic self-sealing bag processing corner cutting device, including the base, the bottom surface four corners of the base are all fixedly connected with the supporting leg, both sides of the base are all fixedly connected with the side plate, the opposite side of two side plates is rotatably connected with a plurality of rotating columns, the outer wall of a plurality of rotating columns is movably sleeved with the conveyer belt, the opposite side of two side plates is all set up with first T type groove, the side of two side plates is all set up with the limit groove, the side of a side plate is fixedly connected with first drive motor, the groove of two first T type grooves is all slidably connected with first T type block, the opposite side of two first T type blocks is all fixedly connected with the supporting plate, the side of two supporting plates is all fixedly connected with the connecting plate.

[0007] Preferably, one side of the two connecting plates close to the bottom surface is fixedly connected with a limiting block, and the two limiting blocks are slidably connected in the two limiting grooves.

[0008] Preferably, the transmission threaded rod is rotatably connected in the first T-shaped groove, and the outer wall of the transmission threaded rod is threadedly sleeved with a first T-shaped block.

[0009] Preferably, the top surface of the two supporting plates is fixedly connected with a protective plate, and one side of the protective plate is fixedly connected with a second driving motor.

[0010] Preferably, the transmission end of the second driving motor is fixedly connected with a positive and negative threaded rod, the outer wall of the positive and negative threaded rod is threadedly sleeved with a second T-shaped block close to both ends, the bottom surface of the protective plate is provided with a second T-shaped groove, the positive and negative threaded rod is rotatably connected in the second T-shaped groove, and the two second T-shaped blocks are slidably connected in the second T-shaped groove.

[0011] Preferably, the middle part of the two second T-shaped blocks close to the bottom surface is movably sleeved with a reset spring, and the two ends of the reset spring are fixedly connected with a clamping block.

[0012] Preferably, the four clamping blocks are movably sleeved on the two sides of the two second T-shaped blocks close to the bottom surface, the outer wall of the two second T-shaped blocks is movably sleeved with a connecting barrel, the two sides of the connecting barrel are movably sleeved with a pressing block, the inner two sides of the connecting barrel are provided with a clamping groove, and the bottom surface of the connecting barrel is fixedly connected with a blade.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1. The utility model discloses a first T-shaped block is arranged, places the self-sealing bag that needs cutting on the conveying belt, then drives the transmission threaded rod rotation through the first driving motor, moves one first T-shaped block through the transmission threaded rod, one first T-shaped block drives one supporting plate and one connecting plate, one limiting block, protective plate moves, and the protective plate drives another supporting plate and another connecting plate, another first T-shaped block, another limiting block moves, thereby drives two blades to move to the appropriate position and cuts the self-sealing bag, two first T-shaped blocks slide in two first T-shaped grooves, and two limiting blocks are slidably connected in two limiting grooves, and the stability of two blades when moving and the safety of equipment are further improved.

[0015] 2. The utility model discloses a positive and negative screw rod is set up, and the second drive motor is used for driving the positive and negative screw rod to rotate in the second T -shaped groove, makes the positive and negative screw rod drive two second T -shaped blocks relative movement in the second T -shaped groove, and then adjusts the interval cutting of two blades and cuts the self -sealing bag. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model.

[0017] Figure 2 It is the side plate structure schematic diagram of the utility model.

[0018] Figure 3 It is the transmission screw rod structure schematic diagram of the utility model.

[0019] Figure 4 It is the protective plate structure explosion map of the utility model.

[0020] Figure 5 It is the first T -shaped block structure schematic diagram of the utility model.

[0021] The sign is: 1, base, 2, support leg, 3, side plate, 4, rotating column, 5, conveyer belt, 6, first T -shaped groove, 7, limit groove, 8, first drive motor, 9, first T -shaped block, 10, support plate, 11, connecting plate, 12, limit block, 13, transmission screw rod, 14, slide rod, 15, protective plate, 16, second drive motor, 17, second T -shaped block, 18, positive and negative screw rod, 19, return spring, 20, clamping block, 21, connecting cylinder, 22, pressing block, 23, blade, 24, clamping groove. DETAILED DESCRIPTION

[0022] The technical scheme in the utility model will be described clearly and completely below in conjunction with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only exemplified, and the plastic self -sealing bag processing edge corner cutting device of the utility model is not limited to each structure recorded in the following implementation, all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of protection of the utility model.

[0023] The utility model provides a kind of corner cutting device for plastic self-sealing bag processing, including base 1, the bottom surface four corners of base 1 are uniformly connected with support leg 2, the both sides of base 1 are uniformly connected with side plate 3, the opposite side of two side plates 3 is rotatably connected with several rotating columns 4, the outer wall of several rotating columns 4 is movably sleeved with conveying belt 5, the opposite side of two side plates 3 is uniformly provided with first T slot 6, the side of two side plates 3 is uniformly provided with limit slot 7, the side of a side plate 3 is fixedly connected with first drive motor 8, the slot of two first T slots 6 is uniformly slidably connected with first T block 9, the opposite side of two first T blocks 9 is uniformly fixedly connected with support plate 10, the side of two support plates 10 is uniformly fixedly connected with connecting plate 11.

[0024] By setting first T block 9, the self-sealing bag to be cut is placed on conveying belt 5, then first drive motor 8 drives transmission threaded rod 13 to rotate, one first T block 9 is moved by transmission threaded rod 13, one support plate 10 and one connecting plate 11, one limit block 12 and protection plate 15 are moved by one first T block 9, protection plate 15 drives another support plate 10 and another connecting plate 11, another first T block 9 and another limit block 12, so as to drive two blades 23 to move to the appropriate position to cut the self-sealing bag, two first T blocks 9 slide in two first T slots 6, and two limit blocks 12 slide in two limit slots 7, thereby improving the stability of two blades 23 when moving and the safety of the equipment.

[0025] Further, the side of two connecting plates 11 close to bottom surface is fixedly connected with limit block 12, two limit blocks 12 slide in two limit slots 7, four clamping blocks 20 are movably sleeved on the side of two second T blocks 17 close to bottom surface, the outer wall of two second T blocks 17 is movably sleeved with connecting barrel 21, the two sides of two connecting barrels 21 are movably sleeved with pressing block 22, the inner two sides of two connecting barrels 21 are provided with clamping groove 24, the bottom surface of two connecting barrels 21 is fixedly connected with blade 23, the transmission end of first drive motor 8 is fixedly connected with transmission threaded rod 13, transmission threaded rod 13 is rotatably connected in one first T slot 6, the outer wall of transmission threaded rod 13 is threadedly sleeved with one first T block 9, the middle part of another first T block 9 is movably sleeved with slide rod 14, and slide rod 14 is fixedly connected in another first T slot 6.

[0026] By setting positive and negative threaded rod 18, second drive motor 16 drives positive and negative threaded rod 18 to rotate in second T slot, so that positive and negative threaded rod 18 drives two second T blocks 17 to move relatively in second T slot, thereby adjusting the distance between two blades 23 to cut the self-sealing bag.

[0027] Further, the top surface of the two support plates 10 is fixedly connected with a protective plate 15, one side of the protective plate 15 is fixedly connected with a second driving motor 16, the transmission end of the second driving motor 16 is fixedly connected with a positive and negative threaded rod 18, the outer wall of the positive and negative threaded rod 18 is threadedly sleeved with a second T-shaped block 17 near both ends, the bottom surface of the protective plate 15 is provided with a second T-shaped groove, the positive and negative threaded rod 18 is rotatably connected in the second T-shaped groove, and the two second T-shaped blocks 17 are slidably connected in the second T-shaped groove.

[0028] By arranging the second T-shaped block 17, when the two blades 23 are replaced, the four pressing blocks 22 are pressed, the opposite ends of the four pressing blocks 22 extrude the four clamping blocks 20, so that the four clamping blocks 20 are retracted into the two second T-shaped blocks 17, so that the blade 23 can be disassembled, thereby improving the convenience and practicality of the equipment.

[0029] Further, the middle part of the two second T-shaped blocks 17 near the bottom surface is movably sleeved with a reset spring 19, the two ends of the two reset springs 19 are fixedly connected with a clamping block 20, the four clamping blocks 20 are movably sleeved on both sides of the two second T-shaped blocks 17 near the bottom surface, the outer wall of the two second T-shaped blocks 17 is movably sleeved with a connecting barrel 21, the two sides of the two connecting barrels 21 are movably sleeved with a pressing block 22, the inner two sides of the two connecting barrels 21 are provided with a clamping groove 24, and the bottom surface of the two connecting barrels 21 is fixedly connected with a blade 23.

[0030] By arranging the connecting barrel 21, when installing the two blades 23, the connecting barrels 21 on the two blades 23 are pressed corresponding to the two second T-shaped blocks 17, so that the two connecting barrels 21 are sleeved with the two second T-shaped blocks 17, and the outer wall of the four clamping blocks 20 is clamped in the four clamping grooves 24, and the four pressing blocks 22 are movably sleeved in the four clamping grooves 24, so that the four pressing blocks 22 extrude the four clamping blocks 20 for disassembly, and the four clamping blocks 20 are retracted by the two reset springs 19, thereby facilitating the replacement of the blade 23 by the staff.

[0031] The utility model discloses a working principle: the self -sealing bag of needing cutting is placed on the conveyer belt 5, then through first drive motor 8 drive transmission screw rod 13 rotation, through transmission screw rod 13 drive a first T type block 9 removes, a first T type block 9 drive a support plate 10 and a connecting plate 11, a limit block 12, the guard 15 removes, and the guard 15 drive another support plate 10 and another connecting plate 11, another first T type block 9, another limit block 12 remove, thereby drive two blades 23 to move to the cutting self -sealing bag of suitable position, two first T type blocks 9 slide in two first T type slots 6, and two limit blocks 12 slide connection in two limit slots 7, and then improve the stability when two blades 23 remove, through second drive motor 16 drive positive and negative screw rod 18 rotation in second T type slot, make positive and negative screw rod 18 drive two second T type blocks 17 relative movement in second T type slot, and then adjust the interval of two blades 23 and cut the self -sealing bag, when replacing two blades 23, press four press blocks 22, and the opposite end of four press blocks 22 extrude four clamping blocks 20, make four clamping blocks 20 contract to two second T type blocks 17 in, thereby can detach the blade 23, when installing two blades 23, the connecting cylinder 21 on two blades 23 is pressed to two second T type blocks 17, make two connecting cylinders 21 sleeve two second T type blocks 17, and the outer wall of four clamping blocks 20 is connected in four clamping grooves 24, and four press blocks 22 movable sleeve is connected in four clamping grooves 24, thereby facilitating four press blocks 22 extrude four clamping blocks 20 and detach, and four clamping blocks 20 are reset through two reset springs 19, thereby facilitating staff to replace the blade 23.

[0032] Finally, it should be noted that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0033] Secondly: the utility model discloses an embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0034] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A corner cutting device for processing plastic self-sealing bags, comprising a base (1), characterized in that: The bottom surface of the base (1) is fixedly connected with support legs (2) at four corners, both sides of the base (1) are fixedly connected with side plates (3), opposite sides of the two side plates (3) are rotatably connected with a plurality of rotating columns (4), outer walls of the rotating columns (4) are movably sleeved with conveying belts (5), both sides of the two side plates (3) are provided with first T-shaped grooves (6), one side of each of the two side plates (3) is provided with a limiting groove (7), one side of the side plate (3) is fixedly connected with a first driving motor (8), first T-shaped blocks (9) are slidably connected in the two first T-shaped grooves (6), opposite sides of the two first T-shaped blocks (9) are fixedly connected with support plates (10), and one side of each of the two support plates (10) is fixedly connected with a connecting plate (11).

2. The device according to claim 1, wherein: One side of each of the two connecting plates (11) near the bottom surface is fixedly connected with a limiting block (12), the two limiting blocks (12) are slidably connected in the two limiting grooves (7), and a transmission threaded rod (13) is fixedly connected to a transmission end of the first driving motor (8).

3. The device according to claim 2, wherein: The transmission threaded rod (13) is rotatably connected in one of the first T-shaped grooves (6), and the outer wall of the transmission threaded rod (13) is threadedly sleeved with one of the first T-shaped blocks (9). The middle part of the other first T-shaped block (9) is movably sleeved with a sliding rod (14), and the sliding rod (14) is fixedly connected in the other first T-shaped groove (6).

4. The device according to claim 3, wherein: The top surface of each of the two support plates (10) is fixedly connected with a protective plate (15), and one side of the protective plate (15) is fixedly connected with a second driving motor (16).

5. The device according to claim 4, wherein: A positive and negative threaded rod (18) is fixedly connected to a transmission end of the second driving motor (16), second T-shaped blocks (17) are threadedly sleeved on the outer wall of the positive and negative threaded rod (18) near both ends, a second T-shaped groove is formed in the bottom surface of the protective plate (15), the positive and negative threaded rod (18) is rotatably connected in the second T-shaped groove, and the two second T-shaped blocks (17) are slidably connected in the second T-shaped groove.

6. The device according to claim 5, wherein: Reset springs (19) are movably sleeved on the middle parts of the two second T-shaped blocks (17) near the bottom surface, and clamping blocks (20) are fixedly connected to both ends of the two reset springs (19).

7. The device according to claim 6, wherein: The four clamping blocks (20) are movably sleeved on both sides of the two second T-shaped blocks (17) near the bottom surface, connecting barrels (21) are movably sleeved on the outer walls of the two second T-shaped blocks (17), pressing blocks (22) are movably sleeved on both sides of the two connecting barrels (21), clamping grooves (24) are formed in both sides of the inner walls of the two connecting barrels (21), and blade (23) is fixedly connected to the bottom surface of each of the two connecting barrels (21).

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