Anti-deviation punching and shearing machine for plastic food packaging box

Abstract

The utility model relates to the field of shearing machines, in particular to an anti-deviation punching and shearing machine for plastic food packaging boxes, which comprises a base plate, a vertical column is fixed on the upper surface of the base plate, a fixed plate is fixedly connected to the upper portion of the outer wall of the vertical column, and a movable block is slidably connected to the lower portion of the outer wall of the vertical column. And the bottom of the movable block is fixedly connected with a spring. According to the anti-deviation punching and shearing machine for the plastic food packaging box, after a connecting shaft makes contact with a lower pressing block, due to the fact that the lower pressing block is fixed, the connecting shaft of the lower pressing block moves up and down, a film is effectively cut, and due to the fact that a fixed plate and a movable block connected with one end of a second expansion piece rotate, and meanwhile the second expansion piece is elastically connected with a bottom plate through a spring, the film can be effectively cut; and therefore, the connecting shaft can conveniently fluctuate and move up and down after being in contact with the lower pressing block.

Description

Technical Field

[0001] The utility model relates to the field of shearing machines, in particular to an anti-deviation punching and shearing machine for plastic food packaging boxes. Background Art

[0002] As the name suggests, packaging boxes are boxes used to package products. They can be classified by materials, such as paper boxes, iron boxes, wooden boxes, cloth boxes, leather boxes, acrylic boxes, corrugated packaging boxes, PVC boxes, etc.

[0003] In the prior art, when laminating packaging boxes, the shearing components are not adjustable and adaptable, resulting in uneven film cutting, and excessive shearing may damage the cutter. Utility Model Content

[0004] The utility model aims to provide an anti-deviation punching and shearing machine for plastic food packaging boxes to solve the problems raised in the above background technology.

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

[0006] A kind of anti-deviation punching and shearing machine for plastic food packaging box comprises a base plate, the upper surface of the base plate is fixed with a vertical column, the upper part of the outer wall of the vertical column is fixedly connected with a fixed plate, the lower part of the outer wall of the vertical column is slidably connected with a movable block, the bottom of the movable block is fixedly connected with a spring, the bottom of the spring is fixedly connected with a bottom plate, the bottom center part of the bottom plate is fixedly connected with a bolt, the bottom of the bolt is fixedly connected to the upper surface of the base plate, the center part of the movable block is rotatably connected with the fixed plate, the outer wall of the fixed plate is fixedly connected with a connecting shaft, and the upper surface of the connecting shaft is fixedly connected with a pressing block.

[0007] As a further solution of the utility model: a top plate is fixedly connected to the top of the vertical column, a turbine worm gear box is installed on the right side of the upper surface of the top plate, and a motor is installed on the top of the turbine worm gear box.

[0008] As a further solution of the utility model: a triangular seat is provided on one side of the worm gear box, the bottom of the triangular seat is fixedly connected to the upper surface of the top plate, a shaft tube is installed at the center of the triangular seat, the axis of the shaft tube is rotatably connected to a shaft rod, and a driving shaft is installed at one end of the shaft rod.

[0009] As a further solution of the utility model: a docking shaft is installed at one end of the fixed plate, and a damping spring is fixedly connected to the outer wall of the docking shaft.

[0010] As a further solution of the utility model: the number of the damping springs is two groups, and the two groups of damping springs are respectively fixedly connected to the second expansion plate and the first expansion plate.

[0011] As a further solution of the utility model: a driving shaft is arranged on the upper part of the second expansion plate and the first expansion plate, and the driving shaft is connected to the second expansion plate and the first expansion plate through a belt differential transmission.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] According to the utility model, after the connecting shaft contacts the lower pressing block, since the lower pressing block is fixed, the connecting shaft moves up and down, and the film is effectively cut. Because the fixed plate and the movable block connected to one end of the expansion piece 2 rotate, and the expansion piece 2 is elastically connected to the bottom plate through the spring, it is convenient for the connecting shaft to fluctuate and move up and down after contacting the lower pressing block, and the structure is more optimized and the design is more reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic diagram of the structure of an anti-deviation punching and shearing machine for plastic food packaging boxes.

[0015] Figure 2 The present invention is a structural diagram of a base plate and components in an anti-deviation punching and shearing machine for plastic food packaging boxes.

[0016] Figure 3 The present invention is a structural diagram of a sheet expansion device in an anti-deviation punching and shearing machine for a plastic food packaging box.

[0017] In the figure: base plate 1, lower plate 2, upper pressure block 3, lower pressure block 4, top plate 5, shaft tube 6, triangular seat 7, worm gear box 8, motor 9, driving shaft 10, shaft rod 11, expansion piece 2 12, movable block 13, spring 14, bottom plate 15, vertical column 16, fixed plate 17, connecting shaft 18, bolt 19, expansion piece 1 20, docking shaft 21, damping spring 22. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 3In the embodiment of the utility model, an anti-deviation punching and shearing machine for a plastic food packaging box includes a base plate 1, a vertical column 16 is fixed on the upper surface of the base plate 1, a fixed plate 17 is fixedly connected to the upper portion of the outer wall of the vertical column 16, a movable block 13 is slidably connected to the lower portion of the outer wall of the vertical column 16, a spring 14 is fixedly connected to the bottom of the movable block 13, a bottom of the spring 14 is fixedly connected to a bottom plate 15, a bolt 19 is fixedly connected to the bottom center of the bottom plate 15, the bottom of the bolt 19 is fixedly connected to the upper surface of the base plate 1, a fixed plate 17 is rotatably connected to the center of the movable block 13, a connecting shaft 18 is fixedly connected to the outer wall of the fixed plate 17, a lower pressing block 4 is fixedly connected to the upper surface of the connecting shaft 18, a top plate 5 is fixedly connected to the top of the vertical column 16, and the top plate 5 A turbine worm gear box 8 is installed on the right side of the upper surface, a motor 9 is installed on the top of the turbine worm gear box 8, a triangular seat 7 is provided on one side of the turbine worm gear box 8, the bottom of the triangular seat 7 is fixedly connected to the upper surface of the top plate 5, a shaft tube 6 is installed at the center of the triangular seat 7, the axis of the shaft tube 6 is rotatably connected to a shaft rod 11, a driving shaft 10 is installed at one end of the shaft rod 11, a docking shaft 21 is installed at one end of the fixed plate 17, a damping spring 22 is fixedly connected to the outer wall of the docking shaft 21, and the number of the damping springs 22 is two groups, and the two groups of damping springs 22 are respectively fixedly connected to the expansion piece 2 12 and the expansion piece 1 20, the driving shaft 10 is provided on the upper part of the expansion piece 2 12 and the expansion piece 1 20, and the driving shaft 10 is connected to the expansion piece 2 12 and the expansion piece 1 20 through a belt differential transmission.

[0020] When in use, the control motor 9 is operated to drive the shaft 11 built in the worm gear box 8 to rotate, the driving shaft 10 installed at one end of the shaft 11 rotates, and the expansion sheet 2 12 and the expansion sheet 1 20 are driven to rotate through the belt, and the docking shaft 21 installed between the expansion sheet 2 12 and the expansion sheet 1 20 rotates, and the connecting shaft 18 connected to the outer wall of the docking shaft 21 drives the lower pressing block 4 to move toward the lower part of the lower pressing block 4, and shears the passing film, and the film is used for film coating of the fruit packaging box;

[0021] After the connecting shaft 18 contacts the lower pressing block 4, since the lower pressing block 4 is fixed, the connecting shaft 18 moves up and down, and the effective film is cut. The fixed plate 17 and the movable block 13 connected to one end of the expansion sheet 12 rotate, and the expansion sheet 12 is elastically connected to the bottom plate 15 through the spring 14, so that the connecting shaft 18 can move up and down after contacting the lower pressing block 4.

[0022] The damping spring 22 installed between the expansion piece 2 12, the expansion piece 1 20 and the docking shaft 21 is used for expansion or contraction. Because the length of the belt between the expansion piece 2 12, the expansion piece 1 20 and the driving shaft 10 changes after the up and down fluctuation of the connecting shaft 18, the expansion piece 2 12, the expansion piece 1 20 and the damping spring 22 are set to adapt to the use of the belt.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anti-deviation punching and shearing machine for a plastic food packaging box, comprising a base plate (1), characterized in that: A vertical column (16) is fixed on the upper surface of the base plate (1), a fixed plate (17) is fixedly connected to the upper portion of the outer wall of the vertical column (16), a movable block (13) is slidably connected to the lower portion of the outer wall of the vertical column (16), a spring (14) is fixedly connected to the bottom of the movable block (13), a bottom of the spring (14) is fixedly connected to the bottom of the bottom plate (15), a bolt (19) is fixedly connected to the center portion of the bottom of the bottom plate (15), the bottom of the bolt (19) is fixedly connected to the upper surface of the base plate (1), the center portion of the movable block (13) is rotatably connected to the fixed plate (17), the outer wall of the fixed plate (17) is fixedly connected to a connecting shaft (18), and the upper surface of the connecting shaft (18) is fixedly connected to a lower pressing block (4).

2. The anti-deviation punching and shearing machine for plastic food packaging boxes according to claim 1, characterized in that: The top of the vertical column (16) is fixedly connected to a top plate (5), a turbine worm gear box (8) is installed on the right side of the upper surface of the top plate (5), and a motor (9) is installed on the top of the turbine worm gear box (8).

3. The anti-deviation punching and shearing machine for plastic food packaging boxes according to claim 2, characterized in that: A triangular seat (7) is provided on one side of the worm gear box (8), the bottom of the triangular seat (7) is fixedly connected to the upper surface of the top plate (5), a shaft tube (6) is installed at the center of the triangular seat (7), the axis of the shaft tube (6) is rotatably connected to a shaft rod (11), and a driving shaft (10) is installed at one end of the shaft rod (11).

4. The anti-deviation punching and shearing machine for plastic food packaging boxes according to claim 1, characterized in that: A docking shaft (21) is installed at one end of the fixed plate (17), and a damping spring (22) is fixedly connected to the outer wall of the docking shaft (21).

5. The anti-deviation punching and shearing machine for plastic food packaging boxes according to claim 4, characterized in that: The damping springs (22) are provided in two groups, and the two groups of damping springs (22) are respectively fixedly connected to the second expansion plate (12) and the first expansion plate (20).

6. The anti-deviation punching and shearing machine for plastic food packaging boxes according to claim 5, characterized in that: A driving shaft (10) is arranged on the upper parts of the second expansion plate (12) and the first expansion plate (20), and the driving shaft (10) is connected to the second expansion plate (12) and the first expansion plate (20) through a belt differential transmission.

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