Pneumatic longitudinal slitting device for packaging machine

Abstract

The utility model discloses a pneumatic slitting device for a packaging machine, relates to the technical field of slitting devices for packaging machines, and solves the problems that a pneumatic knife and a slitting knife carrier roller in an existing slitting device cannot be adjusted, so that the pneumatic knife and the slitting knife carrier roller cannot be accurately aligned, the precision is reduced during subsequent material cutting, and the production efficiency is high. The longitudinal cutting device comprises a pair of bearing seats, a servo motor and an air knife installation frame, a longitudinal cutting knife shaft is rotationally installed between the pair of bearing seats, a plurality of longitudinal cutting knife carrier rollers are installed on the longitudinal cutting knife shaft in a sliding mode, and the longitudinal cutting knife carrier rollers are arranged on the longitudinal cutting knife carrier rollers in a sliding mode. The longitudinal cutter carrier roller is limited and adjusted through the first limiting assembly, and the pneumatic cutter is limited and adjusted through the second limiting assembly, so that the pneumatic cutter is conveniently aligned with the longitudinal cutter carrier roller, the cutting precision of the pneumatic cutter to materials is improved, and the materials are prevented from being damaged by the pneumatic cutter during cutting.

Description

Technical Field

[0001] The utility model relates to the technical field of longitudinal cutting and slitting devices for packaging machines, in particular to a pneumatic longitudinal cutting and slitting device for packaging machines. Background Art

[0002] Packaging machines are machines that package products to protect and beautify them. Packaging machines are mainly divided into two aspects: 1. Assembly line type overall production packaging, 2. Product peripheral packaging equipment;

[0003] For example, in the utility model patent entitled "A Food Packaging Machine Slitting Knife Easy to Disassemble and Assemble" and with publication number CN104985631A, a slitting device is designed, which includes a rotating main shaft, a plurality of slitting blades, a mounting seat, a connecting device, and a servo motor. The plurality of slitting blades are arranged side by side on the rotating main shaft, a connecting device is provided at each end of the rotating main shaft, the mounting seat is provided at the other end of the connecting device, and the servo motor is arranged outside the mounting seat and connected to the rotating main shaft via the connecting device.

[0004] However, the pneumatic knife and the longitudinal slitting knife roller in the existing slitting device cannot be adjusted, which results in the pneumatic knife and the longitudinal slitting knife roller not being able to be accurately aligned, thereby reducing the accuracy of subsequent material cutting, and the pneumatic knife is also prone to damage the material, increasing the cost of packaging processing. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a pneumatic longitudinal cutting and slitting device for a packaging machine, which solves the technical problems that the pneumatic knife and the longitudinal cutting knife roller in the existing slitting device cannot be adjusted, which leads to the inability to accurately align the pneumatic knife and the longitudinal cutting knife roller, thereby reducing the accuracy of subsequent material cutting, and the pneumatic knife is also prone to damage the material, thereby increasing the cost of packaging processing.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a pneumatic longitudinal cutting and slitting device for a packaging machine, comprising a pair of bearing seats, a servo motor and an air knife mounting frame, a longitudinal cutting knife shaft is rotatably mounted between the pair of bearing seats, a plurality of longitudinal cutting knife rollers are slidably mounted on the longitudinal cutting knife shaft, a first limiting assembly is provided between the longitudinal cutting knife roller and the longitudinal cutting knife shaft, one end of the longitudinal cutting knife roller is exposed to one of the pair of bearing seats, a longitudinal cutting knife gear is fixedly mounted on the exposed end of the longitudinal cutting knife roller, a driving gear is fixedly mounted on the driving end of the servo motor, an intermediate gear is meshed and connected between the driving gear and the longitudinal cutting knife gear, the air knife mounting frame is located on one side of the longitudinal cutting knife roller, a plurality of pneumatic knives are slidably mounted on the air knife mounting frame, an ear plate is provided on the lower wall of the pneumatic knife, and a second limiting assembly is provided between the ear plate and the air knife mounting frame.

[0007] Preferably, the first limiting component includes a slide groove, which is opened on the longitudinal cutting knife shaft, and a first threaded hole is opened on the longitudinal cutting knife roller. A first limiting bolt is screwed into the first threaded hole, and the first limiting bolt is slidably installed in the slide groove.

[0008] Preferably, the second limiting assembly includes a rotating plate, which is rotatably mounted on the lower wall of the pneumatic knife and is located on one side of the ear plate. A second threaded hole is opened on the ear plate, and a second limiting bolt is screwed on the second threaded hole. One end of the second limiting bolt passes through the second threaded hole.

[0009] Preferably, the longitudinal cutting knife roller corresponds to the pneumatic knife.

[0010] Preferably, the pneumatic knife is provided with an air tube connection port.

[0011] Beneficial effects

[0012] The utility model provides a pneumatic longitudinal cutting and slitting device for a packaging machine, which solves the technical problem that the pneumatic knife and the longitudinal cutting knife roller in the existing slitting device cannot be adjusted, which leads to the pneumatic knife and the longitudinal cutting knife roller being unable to be accurately aligned, thereby causing the accuracy to be reduced during subsequent material cutting, and the pneumatic knife is also prone to damage the material, thereby increasing the cost of packaging processing. The utility model uses a first limiting component to limit the longitudinal cutting knife roller and a second limiting component to limit the pneumatic knife, thereby facilitating the alignment of the pneumatic knife and the longitudinal cutting knife roller, improving the cutting accuracy of the pneumatic knife on the material, and preventing the material from being damaged by the pneumatic knife during cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of a pneumatic longitudinal cutting and slitting device for a packaging machine according to the utility model.

[0014] Figure 2 This is a schematic structural diagram of the second limiting component of the pneumatic longitudinal cutting and slitting device for a packaging machine described in the utility model.

[0015] In the figure: 1. Pneumatic knife; 2. Air knife mounting bracket; 3. Bearing seat; 4. Slitting knife roller; 5. Slitting knife shaft; 6. Slitting knife gear; 7. Servo motor; 8. Intermediate gear; 9. Driving gear; 10. Slide; 11. First limit bolt; 12. Rotating plate; 13. Second limit bolt; 14. Air pipe connection port. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-2 The utility model provides a technical solution: a pneumatic longitudinal cutting and slitting device for a packaging machine, comprising a pair of bearing seats 3, a servo motor 7 and an air knife mounting frame 2, a longitudinal cutting blade shaft 5 is rotatably mounted between the pair of bearing seats 3, a plurality of longitudinal cutting blade rollers 4 are slidably mounted on the longitudinal cutting blade shaft 5, a first limiting component is provided between the longitudinal cutting blade roller 4 and the longitudinal cutting blade shaft 5, one end of the longitudinal cutting blade roller 4 is exposed to one of the pair of bearing seats 3, a longitudinal cutting blade gear 6 is fixedly mounted on the exposed end of the longitudinal cutting blade roller 4, a driving gear 9 is fixedly mounted on the driving end of the servo motor 7, an intermediate gear 8 is meshed and connected between the driving gear 9 and the longitudinal cutting blade gear 6, the air knife mounting frame 2 is located on one side of the longitudinal cutting blade roller 4, a plurality of pneumatic knives 1 are slidably mounted on the air knife mounting frame 2, an ear plate is provided on the lower wall of the pneumatic knife 1, and a second limiting component is provided between the ear plate and the air knife mounting frame 2;

[0018] The longitudinal slitter roller 4 slides on the longitudinal slitter shaft 5, and the pneumatic knife 1 moves on the air knife mounting frame 2, so that the pneumatic knife 1 corresponds to the longitudinal slitter roller 4. The longitudinal slitter roller 4 is limited by the first limiting component, and the pneumatic knife 1 is limited by the second limiting component. By starting the servo motor 7, the servo motor 7 drives the driving gear 9 to rotate. Since the driving gear 9 and the longitudinal slitter gear 6 are meshed with the intermediate gear 8, the longitudinal slitter gear 6 is rotated.

[0019] This embodiment is further configured such that the first limiting assembly includes a slide groove 10, the slide groove 10 is provided on the slitting blade shaft 5, the slitting blade roller 4 is provided with a first threaded hole, a first limiting bolt 11 is screwed into the first threaded hole, and the first limiting bolt 11 is slidably installed in the slide groove 10;

[0020] The longitudinal cutter roller 4 moves along the path of the slide groove 10 under the action of the first limiting bolt 11, thereby adjusting the position of the longitudinal cutter roller 4. By rotating the first limiting bolt 11, the first limiting bolt 11 is fed along the path of the first threaded hole, thereby squeezing the first limiting bolt 11 into the slide groove 10, thereby limiting the longitudinal cutter roller 4.

[0021] This embodiment is further configured such that the second limiting assembly includes a rotating plate 12, the rotating plate 12 being rotatably mounted on the lower wall surface of the pneumatic knife 1 and located on one side of the ear plate, the ear plate being provided with a second threaded hole, the second threaded hole being screwed with a second limiting bolt 13, one end of the second limiting bolt 13 passing through the second threaded hole;

[0022] Push the pneumatic knife 1, the pneumatic knife 1 moves along the path of the air knife mounting bracket 2, and then adjust the position of the pneumatic knife 1, rotate the second limiting bolt 13, the second limiting bolt 13 feeds along the path of the second threaded hole, and then the second limiting bolt 13 pushes the rotating plate 12, so that the rotating plate 12 squeezes the side wall surface of the air knife mounting bracket 2, and then limits the pneumatic knife 1.

[0023] This embodiment is further configured such that the longitudinal cutting blade roller 4 corresponds to the pneumatic knife 1 .

[0024] This embodiment is further configured such that the pneumatic knife 1 is provided with an air tube connection port 14 .

[0025] The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process. The specific operations are as follows.

[0026] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A pneumatic longitudinal cutting and slitting device for a packaging machine, comprising a pair of bearing seats (3), a servo motor (7) and an air knife mounting frame (2), characterized in that: A longitudinal cutting blade shaft (5) is rotatably mounted between a pair of bearing seats (3), a plurality of longitudinal cutting blade rollers (4) are slidably mounted on the longitudinal cutting blade shaft (5), a first limiting assembly is provided between the longitudinal cutting blade roller (4) and the longitudinal cutting blade shaft (5), one end of the longitudinal cutting blade roller (4) is exposed to one of the pair of bearing seats (3), a longitudinal cutting blade gear (6) is fixedly mounted on the exposed end of the longitudinal cutting blade roller (4), a driving gear (9) is fixedly mounted on the driving end of the servo motor (7), an intermediate gear (8) is meshedly connected between the driving gear (9) and the longitudinal cutting blade gear (6), the air knife mounting frame (2) is located on one side of the longitudinal cutting blade roller (4), a plurality of pneumatic knives (1) are slidably mounted on the air knife mounting frame (2), an ear plate is provided on the lower wall of the pneumatic knife (1), and a second limiting assembly is provided between the ear plate and the air knife mounting frame (2).

2. A pneumatic longitudinal cutting and slitting device for a packaging machine according to claim 1, characterized in that The first limiting component includes a slide groove (10), the slide groove (10) is opened on the longitudinal cutting knife shaft (5), the longitudinal cutting knife roller (4) is provided with a first threaded hole, a first limiting bolt (11) is screwed into the first threaded hole, and the first limiting bolt (11) is slidably installed in the slide groove (10).

3. A pneumatic longitudinal cutting device for a packaging machine according to claim 1, characterized in that The second limiting component includes a rotating plate (12), which is rotatably mounted on the lower wall of the pneumatic knife (1) and is located on one side of the ear plate. A second threaded hole is opened on the ear plate, and a second limiting bolt (13) is screwed on the second threaded hole. One end of the second limiting bolt (13) passes through the second threaded hole.

4. A pneumatic longitudinal cutting device for a packaging machine according to claim 1, characterized in that , the longitudinal cutting knife roller (4) corresponds to the pneumatic knife (1).

5. The pneumatic longitudinal cutting device for a packaging machine according to claim 1, characterized in that The pneumatic knife (1) is provided with an air pipe connection port (14).

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