Packaging bag cutting device

Abstract

The utility model discloses a packaging bag cutting device which comprises a base. The feeding assembly is mounted on the base; the cutting assembly comprises a second motor, a crank, a crankshaft, a connecting rod, a sliding shaft, a cutter, a stand column, a sliding groove and a threaded hole, the second motor is fixedly connected with the ground, one end of the crank is fixedly connected with the output end of the second motor, one end of the crank is fixedly connected with the crankshaft, and the two ends of the crankshaft are rotationally connected with the connecting rod. The two ends of the sliding shaft are rotationally connected with the connecting rod, the bottom of the sliding shaft is fixedly connected with the top of the cutter, the bottom of the stand column is fixedly connected with the top of the base, the sliding groove is formed in the stand column, the two ends of the sliding shaft are slidably connected with the sliding groove, and the threaded hole is formed in the cutter. According to the scheme, the feeding assembly and the cutting assembly are arranged, and through the structure, the effects of continuously cutting the packaging bags and improving the production efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting, and more specifically, to a packaging bag cutting device. Background Art

[0002] Packaging bags are used to package various items, making them easy to transport and store during production and distribution. They are widely used in daily life and industrial production. During the production of packaging bags, a packaging bag cutting machine is often required. This device cuts and separates the rolled packaging bags into individual bags to meet subsequent production needs.

[0003] However, it still has some disadvantages in actual use. For example, when cutting and dividing the packaging bags, the packaging bags to be cut usually need to be placed under the cutting knife. After completing one cutting, the operator needs to reset the cutting knife, which increases the production process and production time of the packaging bags and reduces production efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a packaging bag cutting device to solve the problem of low cutting efficiency in the prior art.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a packaging bag cutting device, comprising

[0006] base;

[0007] A feeding assembly, wherein the feeding assembly is mounted on the base;

[0008] The cutting assembly includes a second motor, a crank, a crankshaft, a connecting rod, a sliding shaft, a cutting knife, a column, a slide groove, and a threaded hole. The second motor is fixedly connected to the ground, one end of the crank is fixedly connected to the output end of the second motor, one end of the crank is fixedly connected to the crankshaft, both ends of the crankshaft are rotatably connected to the connecting rod, both ends of the sliding shaft are rotatably connected to the connecting rod, the bottom of the sliding shaft is fixedly connected to the top of the cutting knife, the bottom of the column is fixedly connected to the top of the base, the slide groove is opened on the column, both ends of the sliding shaft are slidably connected to the slide groove, and the threaded hole is opened on the cutting knife.

[0009] Among them, the feeding assembly includes a motor 1, a driving shaft, an active roller, a conveyor belt, a driven shaft, and a driven roller. The bottom of the motor 1 is fixedly connected to the ground, one end of the driving shaft is fixedly connected to the output end of the motor 1, one end of the driving shaft is rotatably connected to the inside of the base, the outer wall of the driving shaft is fixedly connected to the inside of the active roller, the active roller is transmission-connected to the driven roller through the conveyor belt, both ends of the driven shaft are rotatably connected to the inside of the base, and the outer wall of the driven shaft is fixedly connected to the inside of the driven roller.

[0010] It also includes a heat sealing component, which is installed on the base and the cutting knife.

[0011] Among them, the heat sealing assembly includes bolts, nuts, square plates, wedge plates, and heat sealing seats. The bolts are threadedly connected to the threaded holes, the nuts are threadedly connected to the bolts, the bolts are threadedly connected to the inside of the square plates, the bolts are threadedly connected to the inside of the wedge plates, and the two ends of the heat sealing seat are fixedly connected to the top of the base.

[0012] The beneficial effects of the above technical solution of the utility model are as follows:

[0013] In the above scheme, a feeding component and a cutting component are set, and motor 1 and motor 2 are started. The output end of motor 1 drives the driving shaft to rotate at a constant speed, the driving shaft drives the driving roller to rotate at a constant speed, the driving roller drives the driven roller to rotate through the conveyor belt, and the output end of motor 2 drives the crank to rotate at a constant speed along the vertical direction of the output end of motor 2. The crank drives the crankshaft to rotate at a constant speed, and the crank drives the sliding shaft to slide back and forth in the slide groove through the connecting rod. The sliding shaft drives the cutting knife to reciprocate up and down, and the packaging bag to be cut is placed on the end of the conveyor belt near the motor. The conveyor belt transports the packaging bag to be cut to the bottom of the cutting knife to complete the cutting. Through the above structure, the packaging bag can be continuously cut, thereby improving the production efficiency.

[0014] A heat sealing assembly is provided. When the cutting knife cuts, the square plate, the wedge plate and the heat sealing seat contact and squeeze each other. The heat sealing seat heats up to complete the sealing of the cut portion of the packaging bag. Through the above structure, the effect of completing the sealing of the packaging bag while cutting is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic structural diagram of the feeding assembly of the present utility model;

[0017] Figure 3 This is a schematic diagram of the cutting assembly structure of the present utility model;

[0018] Figure 4This is a schematic diagram of the installation position structure of the heat sealing component of the utility model;

[0019] Figure 5 This is a schematic diagram of the heat sealing component structure of the present utility model.

[0020] [reference numerals]

[0021] 1. Base; 2. Feeding assembly; 3. Cutting assembly; 4. Heat sealing assembly; 21. Motor 1; 22. Driving shaft; 23. Driving roller; 24. Conveyor belt; 25. Driven shaft; 26. Driven roller; 31. Motor 2; 32. Crank; 33. Crankshaft; 34. Connecting rod; 35. Sliding shaft; 36. Cutting blade; 37. Column; 38. Slide; 39. Threaded hole; 41. Bolt; 42. Nut; 43. Square plate; 44. Wedge plate; 45. Heat sealing seat. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, a detailed description will be given below with reference to the accompanying drawings and specific embodiments.

[0023] As attached Figure 1 To the attached Figure 5 The embodiment of the present utility model provides a packaging bag cutting device, comprising a base 1;

[0024] A feeding assembly 2, wherein the feeding assembly 2 is mounted on the base 1;

[0025] The cutting assembly 3 includes a second motor 31, a crank 32, a crankshaft 33, a connecting rod 34, a sliding shaft 35, a cutting knife 36, a column 37, a slide 38, and a threaded hole 39. The second motor 31 is fixedly connected to the ground, one end of the crank 32 is fixedly connected to the output end of the second motor 31, one end of the crank 32 is fixedly connected to the crankshaft 33, both ends of the crankshaft 33 are rotatably connected to the connecting rod 34, both ends of the sliding shaft 35 are rotatably connected to the connecting rod 34, the bottom of the sliding shaft 35 is fixedly connected to the top of the cutting knife 36, and the bottom of the column 37 is fixedly connected to the bottom The top of the seat 1 is fixedly connected, the slide groove 38 is opened on the column 37, the two ends of the slide shaft 35 are slidably connected to the slide groove 38, and the threaded hole 39 is opened on the cutting knife 36; the crank 32 is perpendicular to the output end of the motor 2 31 and the crank shaft 33 respectively, and the crank shaft 33 can realize periodic uniform rotation around the output end of the motor 2 31 under the joint action of the motor 2 31 and the crank 32. At the same time, since the slide shaft 35 is slidably connected to the slide groove 38, the periodic up and down reciprocating motion of the slide shaft 35 is realized, causing the slide shaft 35 to drive the cutting knife 36 to perform periodic up and down reciprocating motion.

[0026] Among them, the feeding assembly 2 includes a motor 21, a driving shaft 22, an active roller 23, a conveyor belt 24, a driven shaft 25, and a driven roller 26. The bottom of the motor 21 is fixedly connected to the ground, one end of the driving shaft 22 is fixedly connected to the output end of the motor 21, one end of the driving shaft 22 is rotatably connected to the interior of the base 1, the outer wall of the driving shaft 22 is fixedly connected to the interior of the active roller 23, the active roller 23 is transmission-connected to the driven roller 26 through the conveyor belt 24, the two ends of the driven shaft 25 are rotatably connected to the interior of the base 1, and the outer wall of the driven shaft 25 is fixedly connected to the interior of the driven roller 26.

[0027] It also includes a heat sealing component 4, which is installed on the base 1 and the cutting knife 36.

[0028] Among them, the heat sealing assembly 4 includes a bolt 41, a nut 42, a square plate 43, a wedge plate 44, and a heat sealing seat 45. The bolt 41 is threadedly connected to the threaded hole 39, the nut 42 is threadedly connected to the bolt 41, the bolt 41 is threadedly connected to the inside of the square plate 43, and the bolt 41 is threadedly connected to the inside of the wedge plate 44. The two ends of the heat sealing seat 45 are fixedly connected to the top of the base 1; the square plate 43 and the wedge plate 44 are detachably connected to the cutting knife 36 through the bolt 41 and the nut 42. A groove is provided on the top of the heat sealing seat 45. When the cutting knife 36 cuts the packaging bag, the square plate 43 and the wedge plate 44 will contact the heat sealing seat 45, and the bottom of the cutting knife 36 will enter the groove at the top of the heat sealing seat 45. Due to the heating effect of the heat sealing seat 45, the packaging bag is sealed.

[0029] The working process of the present invention is as follows: start motor 1 21 and motor 2 31, the output end of motor 1 21 drives the driving shaft 22 to rotate at a uniform speed, the driving shaft 22 drives the driving roller 23 to rotate at a uniform speed, the driving roller 23 drives the driven roller 26 to rotate through the conveyor belt 24, the output end of motor 2 31 drives the crank 32 to rotate at a uniform speed along the vertical direction of the output end of motor 2 31, the crank 32 drives the crankshaft 33 to rotate at a uniform speed, the crankshaft 33 drives the slide shaft 35 to slide up and down in the slide groove 38 through the connecting rod 34, the slide shaft 35 drives the cutting knife 36 to reciprocate up and down, and the packaging bag to be cut is placed on the end of the conveyor belt 24 near motor 1 21, the conveyor belt 24 transports the packaging bag to be cut to the bottom of the cutting knife 36 to complete the cutting, and at the same time of cutting, the square plate 43, the wedge plate 44 and the heat sealing seat 45 contact and squeeze each other, and the heat sealing seat 45 heats to complete the sealing of the cutting part of the packaging bag.

[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0031] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0032] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A packaging bag cutting device, characterized in that: include Base (1); A feeding assembly (2), wherein the feeding assembly (2) is mounted on the base (1); The cutting assembly (3) comprises a second motor (31), a crank (32), a crankshaft (33), a connecting rod (34), a sliding shaft (35), a cutting knife (36), a column (37), a sliding groove (38), and a threaded hole (39). The second motor (31) is fixedly connected to the ground, one end of the crank (32) is fixedly connected to the output end of the second motor (31), one end of the crank (32) is fixedly connected to the crankshaft (33), and the crankshaft The two ends of the slide shaft (33) are rotatably connected to the connecting rod (34), the two ends of the slide shaft (35) are rotatably connected to the connecting rod (34), the bottom of the slide shaft (35) is fixedly connected to the top of the cutting knife (36), the bottom of the column (37) is fixedly connected to the top of the base (1), the slide groove (38) is opened on the column (37), the two ends of the slide shaft (35) are slidably connected to the slide groove (38), and the threaded hole (39) is opened on the cutting knife (36).

2. The packaging bag cutting device according to claim 1, characterized in that: The feeding assembly (2) comprises a motor (21), a driving shaft (22), a driving roller (23), a conveyor belt (24), a driven shaft (25), and a driven roller (26). The bottom of the motor (21) is fixedly connected to the ground, one end of the driving shaft (22) is fixedly connected to the output end of the motor (21), one end of the driving shaft (22) is rotatably connected to the interior of the base (1), the outer wall of the driving shaft (22) is fixedly connected to the interior of the driving roller (23), the driving roller (23) is transmission-connected to the driven roller (26) through the conveyor belt (24), both ends of the driven shaft (25) are rotatably connected to the interior of the base (1), and the outer wall of the driven shaft (25) is fixedly connected to the interior of the driven roller (26).

3. The packaging bag cutting device according to claim 1, characterized in that: It also includes a heat sealing component (4), which is installed on the base (1) and the cutting knife (36).

4. The packaging bag cutting device according to claim 3, characterized in that: The heat sealing assembly (4) comprises a bolt (41), a nut (42), a square plate (43), a wedge plate (44), and a heat sealing seat (45); the bolt (41) is threadedly connected to the threaded hole (39); the nut (42) is threadedly connected to the bolt (41); the bolt (41) is threadedly connected to the inside of the square plate (43); the bolt (41) is threadedly connected to the inside of the wedge plate (44); and both ends of the heat sealing seat (45) are fixedly connected to the top of the base (1).

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