Shaping, sealing and cutting equipment for liquid food packaging box

Abstract

The utility model discloses shaping, sealing and cutting equipment for liquid food packaging boxes, which comprises a support, an air cylinder is fixedly connected to the upper end of the support, a base plate is fixedly connected to the front end of an extension rod of the air cylinder, a supporting plate is fixedly connected to the lower end of the base plate, and a guide plate is fixedly connected to the lower end of the supporting plate. A pressing plate is slidably connected into the guide plate, a spring is fixedly connected between the pressing plate and the supporting plate, a T-shaped groove is formed in the bottom end of the base plate, a sealing and cutting knife is fixedly arranged in the T-shaped groove, and a sealing and cutting table is fixedly connected to the lower end of the support. According to the paperboard sealing and cutting device, by arranging the air cylinder and the pressing plate, the paperboard sealing and cutting efficiency of the paperboard sealing and cutting device is improved, and due to the fact that the pressing plate is additionally arranged, the phenomena of inclined cutting and wrong cutting are avoided when the paperboard is cut by the paperboard sealing and cutting device.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing and cutting, in particular to a shaping and sealing and cutting device for liquid food packaging boxes. Background Technique

[0002] The packaging boxes of liquid foods are used to store and package liquid foods for their transportation and consumption. For example, milk cartons are used to store milk and make it convenient for transportation and consumption. The manufacturing of liquid food packaging boxes is usually carried out by sealing, cutting, and shaping cardboard.

[0003] However, the existing shaping and sealing and cutting devices for liquid food packaging boxes have unsatisfactory sealing and cutting and shaping effects on cardboard. For example, the shaping and sealing and cutting device for liquid food packaging boxes disclosed in Chinese Patent Publication No. "CN218315466U" adsorbs the cardboard by a suction cup, then pulls up the cardboard by a telescopic spring, and then operates the motor to drive the lead screw to move the sealing and cutting knife downward to cut the cardboard. However, in the actual use process, since the surface roughness of the cardboard cannot be as smooth as that of ceramics, this will result in limited suction force of the suction cup, which will cause the cardboard to touch the sealing and cutting knife due to insufficient suction force of the suction cup when sealing and cutting the cardboard, and then cause the cardboard to fall off the suction cup. This will cause the cardboard to fall at a different position from the original position during sealing and cutting, resulting in inclined cutting or the sealing and cutting knife cutting at the wrong position. Moreover, the sealing and cutting knife is pushed downward by the lead screw, and the structure of the lead screw is similar to a thread, which results in a large idle stroke of the device and slows down the working efficiency. Accordingly, this application proposes a shaping and sealing and cutting device for liquid food packaging boxes. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a shaping and sealing and cutting device for liquid food packaging boxes.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A shaping and sealing and cutting device for liquid food packaging boxes includes a bracket. A cylinder is fixedly connected to the upper end of the bracket. The front end of the extending rod of the cylinder is fixedly connected with a substrate. A support plate is fixedly connected to the lower end of the substrate. A guide plate is fixedly connected to the lower end of the support plate. A pressing plate is slidably connected in the guide plate. A spring is fixedly connected between the pressing plate and the support plate. A T-shaped groove is opened at the bottom end of the substrate. A sealing and cutting knife is fixedly arranged in the T-shaped groove. A sealing and cutting table is fixedly connected to the lower end of the bracket. A sealing and cutting groove is opened at the center of the sealing and cutting table. A transverse movement guide rail is slidably connected to the lower end of the sealing and cutting table. A transverse movement trapezoidal groove is opened on the transverse movement guide rail. A vertical movement guide rail is slidably connected to the lower surface of the transverse movement guide rail. A vertical movement trapezoidal groove is opened on the vertical movement guide rail. A vertical positioning screw is threadedly connected to the transverse movement guide rail.

[0007] Preferably, a limiting and guiding block is fixedly connected to the outer surface of the pressing plate. The limiting and guiding block is slidably arranged in the guiding groove. Fixing screws are threadedly connected to the front and rear ends of the substrate. A transverse positioning screw is threadedly connected to the sealing and cutting table. A transverse sliding block is fixedly connected to the lower end of the sealing and cutting table. The transverse sliding block is slidably arranged in the transverse trapezoidal groove. A vertical moving guiding block is fixedly connected to the lower end of the transverse moving guide rail. The vertical moving guiding block is slidably arranged in the vertical trapezoidal groove.

[0008] Preferably, the number of the springs is four.

[0009] Preferably, the support plate is fixed to the substrate by welding, and the guide plate is fixed to the lower end of the support plate by welding.

[0010] Preferably, the material of the sealing and cutting table is ductile iron, and the sealing and cutting table is formed by milling.

[0011] Preferably, the extending length of the pressing plate is greater than the length of the sealing and cutting knife.

[0012] The utility model has the following beneficial effects:

[0013] 1. By arranging the pressing block, the support plate in the device can be fixed during sealing and cutting, which facilitates the sealing and cutting of the support plate in the device and avoids phenomena such as skew cutting and wrong cutting of the cardboard caused by the limitation of the cardboard fixing method.

[0014] 2. By arranging the air cylinder, when the device seals and cuts the cardboard, it is no longer necessary to rotate the screw rod and then push the sealing and cutting knife to cut. Instead, the air cylinder is directly ventilated to extend or retract, which reduces the idle stroke and greatly improves the efficiency. At the same time, because the impact force provided by the air cylinder is greater than that of the screw rod, it is also more convenient and straightforward to seal and cut the cardboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a shaping and sealing and cutting device for a liquid food packaging box proposed by the utility model;

[0016] Figure 2 is a schematic structural diagram of a clamping plate in a shaping and sealing and cutting device for a liquid food packaging box proposed by the utility model;

[0017] Figure 3 is a schematic diagram of the distribution of each guiding part in a shaping and sealing and cutting device for a liquid food packaging box proposed by the utility model.

[0018] In the figure: 1 bracket, 2 cylinder, 3 base plate, 4 sealing and cutting table, 5 transverse moving guide rail, 6 vertical moving guide rail, 7 sealing and cutting groove, 8 pressing plate, 9 sealing and cutting knife, 10 T-shaped groove, 11 spring, 12 vertical moving trapezoidal groove, 13 transverse moving trapezoidal groove, 14 transverse slider, 15 support plate, 16 guide plate, 17 fixing screw, 18 transverse positioning screw, 19 vertical positioning screw, 20 vertical moving guide block, 21 limit guide block, 22 guide groove. Specific implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0020] Refer to Figure 1 , a shaping, sealing and cutting device for liquid food packaging boxes, including a bracket 1. A cylinder 2 is fixedly connected to the upper end of the bracket 1. The front end of the extending rod of the cylinder 2 is fixedly connected with a base plate 3. A support plate 15 is fixedly connected to the lower end of the base plate 3. A guide plate 16 is fixedly connected to the lower end of the support plate 15. A pressing plate 8 is slidably connected in the guide plate 16. A spring 11 is fixedly connected between the pressing plate 8 and the support plate 15. A T-shaped groove 10 is opened at the bottom end of the base plate 3. A sealing and cutting knife 9 is fixedly arranged in the T-shaped groove 10. A sealing and cutting table 4 is fixedly connected to the lower end of the bracket 1. A sealing and cutting groove 7 is opened at the center of the sealing and cutting table 4. A transverse moving guide rail 5 is slidably connected to the lower end of the sealing and cutting table 4. A transverse moving trapezoidal groove 13 is opened on the transverse moving guide rail 5. A vertical moving guide rail 6 is slidably connected to the lower surface of the transverse moving guide rail 5. A vertical moving trapezoidal groove 12 is opened on the vertical moving guide rail 6. A vertical positioning screw 19 is threadedly connected to the transverse moving guide rail 5. It should be noted that the front end of the pressing plate 8 is made of rubber anti-slip material, and the sealing and cutting knife 9 is a prior art, which can heat-seal the packaging while cutting the packaging.

[0021] A limit guide block 21 is fixedly connected to the outer surface of the pressing plate 8. The limit guide block 21 is slidably arranged in the guide groove 22. Fixing screws 17 are threadedly connected to the front and rear ends of the base plate 3. A transverse positioning screw 18 is threadedly connected to the sealing and cutting table 4. A transverse slider 14 is fixedly connected to the lower end of the sealing and cutting table 4. The transverse slider 14 is slidably arranged in the transverse moving trapezoidal groove 13. A vertical moving guide block 20 is fixedly connected to the lower end of the transverse moving guide rail 5. The vertical moving guide block 20 is slidably arranged in the vertical moving trapezoidal groove 12. It should be noted that the vertical moving guide block 20 and the transverse slider 14 in this device have the same specifications but play different roles.

[0022] The number of the springs 11 is four. It should be noted that the material of the springs 11 is carbon spring steel.

[0023] When using this device, first place the cardboard on the sealing and cutting table 4, and then start the cylinder 2. The cylinder 2 will push the substrate 3 downward. Before sealing and cutting, since the length of the pressing plate 8 extends longer than that of the sealing and cutting knife 9, the cardboard will be pressed before the sealing and cutting starts, thereby fixing the cardboard. When the sealing and cutting knife 9 seals and cuts the cardboard, the blade part will extend into the sealing and cutting groove 7 to complete the sealing and cutting. In the production and manufacturing of packaging boxes, if the production line changes, loosen the horizontal positioning screw 18 and the vertical positioning screw 19 so that the sealing and cutting table 4 can move horizontally and / or vertically. When it moves to the required position, tighten the horizontal positioning screw 18 and the vertical positioning screw 19 to fix this device. It should be noted that the lengths of the horizontal moving guide rail 5 and the vertical moving guide rail 6 can be changed according to the requirements of the production line.

[0024] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, making equivalent replacements or changes should be covered within the protection scope of the present invention.

Claims

1. A shaping, sealing and cutting device for a liquid food packaging box, comprising a bracket (1), characterized in that, The upper end of the bracket (1) is fixedly connected with a cylinder (2). The front end of the extension rod of the cylinder (2) is fixedly connected with a substrate (3). The lower end of the substrate (3) is fixedly connected with a support plate (15). The lower end of the support plate (15) is fixedly connected with a guide plate (16). A pressing plate (8) is slidably connected in the guide plate (16). A spring (11) is fixedly connected between the pressing plate (8) and the support plate (15). A T-shaped groove (10) is formed at the bottom end of the substrate (3). A sealing cutter (9) is fixedly arranged in the T-shaped groove (10). The lower end of the bracket (1) is fixedly connected with a sealing cutting table (4). A sealing cutting groove (7) is formed at the center of the sealing cutting table (4). A transverse movement guide rail (5) is slidably connected to the lower end of the sealing cutting table (4). A transverse movement trapezoidal groove (13) is formed on the transverse movement guide rail (5). A vertical movement guide rail (6) is slidably connected to the lower surface of the transverse movement guide rail (5). A vertical movement trapezoidal groove (12) is formed on the vertical movement guide rail (6). A vertical positioning screw (19) is threadedly connected to the transverse movement guide rail (5).

2. The shaping, sealing and cutting device for a liquid food packaging box according to claim 1, wherein, A limit guide block (21) is fixedly connected to the outer surface of the pressing plate (8). The limit guide block (21) is slidably arranged in a guide groove (22). Fixing screws (17) are threadedly connected to the front and rear ends of the substrate (3). A transverse positioning screw (18) is threadedly connected to the sealing cutting table (4). A transverse slider (14) is fixedly connected to the lower end of the sealing cutting table (4). The transverse slider (14) is slidably arranged in the transverse movement trapezoidal groove (13). A vertical movement guide block (20) is fixedly connected to the lower end of the transverse movement guide rail (5). The vertical movement guide block (20) is slidably arranged in the vertical movement trapezoidal groove (12).

3. The shaping, sealing and cutting device for a liquid food packaging box according to claim 1, wherein, The number of the springs (11) is four.

4. The shaping, sealing and cutting device for a liquid food packaging box according to claim 1, characterized in that, The support plate (15) is fixedly welded to the substrate (3), and the guide plate (16) is fixedly welded to the lower end of the support plate (15).

5. The shaping, sealing and cutting device for a liquid food packaging box according to claim 1, characterized in that, The material of the sealing cutting table (4) is ductile iron, and the sealing cutting table (4) is formed by milling.

6. The shaping, sealing and cutting device for a liquid food packaging box according to claim 1, wherein, The extension length of the pressing plate (8) is greater than the length of the sealing cutter (9).

Images