Plastic steel belt cutting device for packing machine

Abstract

The utility model belongs to a plastic steel belt cutting device for a packing machine in the technical field of packing machines. The motor (2) and the rocker (3) are installed on the device seat body (1), the adjusting gear (4) is installed on a motor shaft of the motor (2), an adjusting rod (13) on the rear side of the rocker (3) is meshed with the adjusting gear (4), the other side of the rocker (3) is connected with the friction shoe (5), the friction shoe (5) is movably hinged to the sliding rail (6), the sliding rail (6) is movably clamped in a track of the device seat body (1), the sliding rail (6) is connected with the eccentric shaft (7) on the device seat body (1), and the eccentric shaft (7) is connected with the motor (2) through the driving belt (8). According to the plastic steel belt cutting device for the packing machine, reciprocating horizontal and rising and falling actions of the friction shoe are achieved, hot melting cutting of the plastic steel belt is achieved, the working performance is reliable, and the service life is long.

Description

Technical Field

[0001] The utility model belongs to the technical field of packing machines, and more specifically, it relates to a steel-plastic belt cutting device for a packing machine. Background Technique

[0002] A packing machine, also known as a bundling machine, a strapping machine or a tying machine, uses a strapping band to bundle products or packages, and then tightens and combines the two ends by means of heat fusion bonding with a hot head. The function of the packing machine is to reinforce the packaged articles so that the articles will not scatter during handling and storage due to insecure bundling, and at the same time, the bundling should be neat and beautiful. However, there are technical defects in the existing packing machines.

[0003] In the prior art, there is a technology with the name of "an internal shearing device of a plastic packing machine" and the publication number of "CN220885064U". This technology discloses an internal shearing device of a plastic packing machine, including a base. A support plate is provided on the base. Lifting cylinders are provided at both the upper and lower ends of one side wall of the support plate. A fixed table is provided on the other side wall of the support plate, and a protection cavity is provided on the fixed table. A cutting device is provided on the upper lifting cylinder, and the cutting knife of the cutting device extends through the protection cavity. A bearing device is provided on the lower lifting cylinder. In the utility model, the upper lifting cylinder drives the first extension plate to lift and lower the hydraulic cylinder, and adjusts the hydraulic cylinder to a suitable height. When the hydraulic cylinder starts to descend, it drives the cutting knife to cut the strapping band. When the driving end of the hydraulic cylinder rises, the cutting knife is moved into the protection cavity, so as to effectively protect the cutting knife. At the same time, the lower lifting cylinder controls the position of the support column connected to the second extension plate to facilitate adjusting the height of the cushion table.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is: aiming at the deficiencies of the prior art, to provide a steel-plastic belt cutting device for a packing machine with a simple structure, which can realize the reciprocating horizontal and lifting movements of the friction boots, realize the heat fusion cutting of the steel-plastic belt, and has reliable working performance and long service life.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the utility model is as follows:

[0007] The utility model is a steel-plastic belt cutting device for a packing machine. A motor and a rocker are installed on the device seat body. An adjusting gear is installed on the motor shaft of the motor. The adjusting rod behind the rocker meshes with the adjusting gear. The other side of the rocker is connected to a friction boot. The friction boot is movably hinged to a slide rail. The slide rail is movably clamped in the track of the device seat body. The slide rail is connected to an eccentric shaft on the device seat body. The eccentric shaft is connected to the motor through a drive belt.

[0008] A cutter is installed on the side of the friction boot, cutting teeth are arranged at the lower part of the cutter, and friction bumps are arranged on the lower surface of the friction boot at intervals.

[0009] A motor is fixedly connected to the side of the device base body, a rocker is movably connected to the upper part of the device base body through a rocker connecting pin, and the friction boot is movably hinged to the slide rail through a friction boot connecting pin.

[0010] A driven gear is arranged at the outer end of the eccentric shaft on the device base body, a driving gear is arranged on the motor shaft of the motor, and a driving belt is sleeved on the driving gear and the driven gear.

[0011] The rocker is connected to the friction boot through a spring.

[0012] A limit card slot is arranged on the side of the friction boot, the cutter is clamped in the limit card slot, and the cutting teeth at the lower part of the cutter protrude from the lower surface of the friction boot.

[0013] A limit rod is further arranged on the rocker.

[0014] The motor is connected to the control component.

[0015] When the control component controls the motor to rotate, the motor is arranged to be able to drive the adjusting gear to rotate and drive the eccentric shaft to rotate.

[0016] Adopting the technical solution of the present utility model, the working principle and beneficial effects are as follows:

[0017] The steel-plastic belt cutting device for a strapping machine described in the present utility model is not an overall improvement of the strapping machine, but a partial improvement of the steel-plastic belt cutting device of the strapping machine. For the steel-plastic belt cutting device of the strapping machine, on the one hand, it is necessary to control the friction boots to reciprocate horizontally to achieve friction heat melting of the steel-plastic belt. On the other hand, it is necessary to control the friction boots to rise and fall, and when they fall, they can cut the steel-plastic belt. The steel-plastic belt to be cut passes through the tabletop, and the friction boots are located above the tabletop. When the friction boots are lifted, they leave the steel-plastic belt, and at this time, the conveying component starts, and the conveying component conveys the steel-plastic belt. Specifically, when the motor rotates, the motor drives the motor shaft to rotate. The adjusting gear is fixedly connected to the motor shaft to realize the control of the rotation of the adjusting gear. When the motor rotates, it also drives the eccentric shaft to rotate through the drive belt. The eccentric shaft rotates eccentrically, and the slide rail 6 is movably clamped in the track of the device seat body. When the eccentric shaft rotates eccentrically, it drives the slide rail to reciprocate along the track, and the reciprocating movement of the track drives the friction boots to reciprocate. When hot melt cutting is required, the rocker presses down the friction boots, and the friction boots contact the steel-plastic belt. At this time, the friction boots reciprocate to rub the steel-plastic belt, and at the same time, the cutter reciprocates with the friction boots to complete a hot melt cutting operation. The device of the present utility model has a simple and compact structure, reliable and stable control, can control the start and stop of the motor and adjust the rotation speed as needed, so as to adjust the operation rhythm, meet the cutting requirements of different steel-plastic belts, has a long service life of the device, does not require frequent maintenance, and reduces the cost investment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following briefly describes the content expressed in each drawing of this specification and the marks in the drawings:

[0019] Figure 1 is an exploded structural schematic diagram of the steel-plastic belt cutting device for a strapping machine described in the present utility model;

[0020] Figure 2 is a partial sectional structural schematic diagram of the steel-plastic belt cutting device for a strapping machine described in the present utility model;

[0021] The marks in the drawings are: 1, device seat body; 2, motor; 3, rocker; 4, adjusting gear; 5, friction boots; 6, slide rail; 7, eccentric shaft; 8, drive belt; 9, cutter; 10, cutting teeth; 11, spring; 12, limiting rod; 13, adjusting rod; 14, friction bumps; 15, steel-plastic belt; 16, tabletop. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following further describes in detail the specific embodiments of the present utility model, such as the shapes, structures, mutual positions and connection relationships of the components involved, the functions of each part and the working principles, etc., with reference to the drawings:

[0023] As shown in the attached Figure 1 、attachedFigure 2 As shown in the figure, the utility model is a steel-plastic belt cutting device for a packing machine. An electric motor 2 and a rocker 3 are installed on a device seat body 1. An adjusting gear 4 is installed on the motor shaft of the electric motor 2. An adjusting rod 13 at the rear side of the rocker 3 meshes with the adjusting gear 4. The other side of the rocker 3 is connected with a friction boot 5. The friction boot 5 is movably hinged to a slide rail 6. The slide rail 6 is movably clamped in the track of the device seat body 1. The slide rail 6 is connected with an eccentric shaft 7 on the device seat body 1. The eccentric shaft 7 is connected with the electric motor 2 through a drive belt 8. The above structure proposes an improved technical solution aiming at the deficiencies in the prior art. The utility model is not an overall improvement of the packing machine, but a partial improvement of the steel-plastic belt cutting device of the packing machine. For the steel-plastic belt cutting device of the packing machine, on the one hand, it is necessary to control the friction boot 5 to be able to reciprocate horizontally to realize the friction heat melting of the steel-plastic belt 15. On the other hand, it is necessary to control the friction boot 5 to be able to rise and fall, and when it falls, it realizes the cutting of the steel-plastic belt 15. The steel-plastic belt 15 to be cut passes through a table surface 16, and the friction boot is located above the table surface. When the friction boot 5 is lifted, it leaves the steel-plastic belt 15. At this time, the conveying component starts, and the conveying component conveys the steel-plastic belt 15. Specifically, when the electric motor 2 rotates, when the electric motor 2 rotates, it drives the motor shaft to rotate. The adjusting gear 4 is fixedly connected with the motor shaft, realizing the rotation control of the adjusting gear 4. When the electric motor 2 rotates, it simultaneously drives the eccentric shaft 7 to rotate through the drive belt 8. The eccentric shaft 7 rotates eccentrically. Because the slide rail 6 is movably clamped in the track of the device seat body 1, when the eccentric shaft 7 rotates eccentrically, it drives the slide rail 6 to reciprocate along the track. The reciprocating movement of the track 6 drives the friction boot 5 to reciprocate. When hot melt cutting is required, the rocker 3 presses down the friction boot 5, and the friction boot 5 contacts the steel-plastic belt 15. At this time, the friction boot 5 reciprocates, and the steel-plastic belt is on the table surface, and the up and down directions are restricted. The friction boot 5 realizes the friction of the steel-plastic belt 15, and at the same time, the cutting knife reciprocates with the friction boot 5 to realize cutting, completing a hot melt cutting operation. The device of the utility model has a simple and compact structure, reliable and stable control, can control the start and stop of the electric motor and realize the speed regulation according to needs, so as to realize the regulation of the operation rhythm, meet the cutting requirements of different steel-plastic belts, has a long service life of the device, does not need frequent maintenance, and reduces the cost investment. The steel-plastic belt cutting device of the packing machine described in the utility model has a simple structure, realizes the reciprocating horizontal and rising and falling actions of the friction boot, realizes the hot melt cutting of the steel-plastic belt, has reliable working performance and a long service life.

[0024] A cutting knife 9 is installed on the side surface of the friction boot 5. Cutting teeth 10 are arranged at the lower part of the cutting knife 9. Friction convex points 14 are arranged on the lower surface of the friction boot 5 at intervals. With the above structure, the setting of the friction convex points improves the friction effect during friction, and the cutting teeth move horizontally with the cutting knife to realize cutting. In this way, for the device of the utility model, friction and cutting are completed synchronously.

[0025] The side of the device base 1 is fixedly connected to the motor 2. The upper part of the device base 1 is movably connected to the rocker 3 through a rocker connecting pin. The friction boot 5 is movably hinged to the slide rail 6 through a friction boot connecting pin. In the above structure, the rocker 3 can rotate relative to the device base 1, and the friction boot 5 can move up and down relative to the slide rail 17. The slide rail 6 is clamped in the track 17 and can only complete reciprocating horizontal movement.

[0026] A driven gear is arranged at the outer end of the eccentric shaft 7 on the device base 1, a driving gear is arranged on the motor shaft of the motor 2, and the drive belt 8 is sleeved on the driving gear and the driven gear. In the above structure, when the motor rotates, it drives the eccentric shaft to perform reciprocating eccentric motion, driving the friction boot to perform reciprocating horizontal movement and friction.

[0027] The rocker 3 is connected to the friction boot 5 through a spring 11. In the above structure, the rocker 3 is connected to the friction boot 5 through a spring 11, making the structure between the rocker and the friction boot flexible. On the one hand, it ensures that the rocker can reliably drive the friction boot to lift and fall when swinging. On the other hand, it avoids a rigid structure between the rocker and the friction boot, enabling the friction boot to contact the plastic steel belt in a fused manner.

[0028] A limit card slot is arranged on the side of the friction boot 5, and the cutting knife 9 is clamped in the limit card slot. The cutting teeth 10 at the lower part of the cutting knife 9 protrude from the lower surface of the friction boot 5. In the above structure, the cutting knife is reliably limited in the limit card slot and will not move left and right, ensuring that the cutting teeth can reliably contact and cut the plastic steel belt.

[0029] A limit rod 12 is also arranged on the rocker 3. In the above structure, the limit rod limits the swing of the rocker. It avoids the rocker moving excessively and disengaging from the adjusting gear, ensuring the reliability of meshing.

[0030] The motor 2 is connected to the control component. When the control component controls the motor 2 to rotate, the motor 2 is set to be able to drive the adjusting gear 4 to rotate and drive the eccentric shaft 7 to rotate. In the above structure, the control of the adjusting gear by the motor and the control of the eccentric shaft are synchronous. The diameter of the adjusting gear is larger than the diameters of the driving gear and the driven gear. Then, when the rocker drives the friction boot to press down once, the friction boot can complete multiple reciprocating frictions on the plastic steel belt, ensuring cutting after friction.

[0031] The plastic-steel belt cutting device for a baler described in the utility model is not an overall improvement of the baler, but a partial improvement of the plastic-steel belt cutting device of the baler. The plastic-steel belt cutting device for a baler, on the one hand, needs to control the friction shoe 5 to be able to move back and forth horizontally to achieve friction heat melting of the plastic-steel belt 15, and on the other hand, needs to control the friction shoe 5 to be able to rise and fall, and achieve the cutting of the plastic-steel belt 15 when it falls. The plastic-steel belt 15 to be cut passes through the table 16, and the friction shoe is located above the table. When the friction shoe 5 is lifted, it leaves the plastic-steel belt 15, and at this time the conveying component is started, and the conveying component conveys the plastic-steel belt 15. Specifically, the motor 2 is controlled to rotate. When the motor 2 rotates, the motor shaft is driven to rotate. The adjusting gear 4 is fixedly connected to the motor shaft to realize the rotation control of the adjusting gear 4. When the motor 2 rotates, the eccentric shaft 7 is driven to rotate through the driving belt 8. The eccentric shaft 7 rotates eccentrically. Because the slide rail 6 is movably mounted in the track of the device seat 1, when the eccentric shaft 7 rotates eccentrically, the slide rail 6 is driven to move back and forth along the track. The reciprocating movement of the track 6 drives the friction shoe 5 to move back and forth. When hot melt cutting is required, the rocker 3 presses down the friction shoe 5, and the friction shoe 5 contacts the plastic steel belt 15. At this time, the friction shoe 5 reciprocates. The plastic steel belt is on the table, and the upper and lower directions are constrained. The friction shoe 5 realizes friction with the plastic steel belt 15. At the same time, the cutter reciprocates with the friction shoe 5 to realize cutting, and a hot melt cutting operation is completed. The device of the utility model has a compact structure, reliable and stable control, can control the start and stop of the motor and realize speed adjustment according to needs, realize the adjustment of the operation rhythm, meet the cutting requirements of different plastic steel belts, and the device has a long service life, does not need frequent maintenance, and reduces cost investment.

[0032] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A plastic-steel belt cutting device for a baler, characterized in that: A motor (2) and a rocker (3) are mounted on a device base (1); an adjusting gear (4) is mounted on a motor shaft of the motor (2); an adjusting rod (13) on the rear side of the rocker (3) meshes with the adjusting gear (4); the other side of the rocker (3) is connected to a friction shoe (5); the friction shoe (5) is movably hinged to a slide rail (6); the slide rail (6) is movably mounted in a track of the device base (1); the slide rail (6) is connected to an eccentric shaft (7) on the device base (1); and the eccentric shaft (7) is connected to the motor (2) via a driving belt (8).

2. The plastic-steel belt cutting device for a baler according to claim 1, characterized in that: A cutter (9) is installed on the side of the friction shoe (5), a cutting tooth (10) is arranged at the lower part of the cutter (9), and friction protrusions (14) arranged at intervals are arranged on the lower surface of the friction shoe (5).

3. The plastic-steel belt cutting device for a baler according to claim 1 or 2, characterized in that: The side of the device base (1) is fixedly connected to the motor (2), the upper part of the device base (1) is movably connected to the rocker (3) through a rocker connecting pin, and the friction shoe (5) is movably hinged to the slide rail (6) through the friction shoe connecting pin.

4. The plastic-steel belt cutting device for a baler according to claim 1 or 2, characterized in that: The outer end of the eccentric shaft (7) on the device base (1) is provided with a driven tooth, the motor shaft of the motor (2) is provided with a driving tooth, and the driving belt (8) is sleeved on the driving tooth and the driven tooth.

5. The plastic-steel belt cutting device for a baler according to claim 1 or 2, characterized in that: The rocker (3) is connected to the friction shoe (5) via a spring (11).

6. The plastic-steel belt cutting device for a baler according to claim 2, characterized in that: A limiting slot is arranged on the side of the friction shoe (5), the cutter (9) is clamped in the limiting slot, and the cutting teeth (10) at the bottom of the cutter (9) protrude from the lower surface of the friction shoe (5).

7. The plastic-steel belt cutting device for a baler according to claim 1, characterized in that: A limiting rod (12) is also arranged on the rocker (3).

8. The plastic-steel belt cutting device for a baler according to claim 1 or 2, characterized in that: The motor (2) is connected to the control component.

9. The plastic-steel belt cutting device for a baler according to claim 8, characterized in that: When the control component controls the motor (2) to rotate, the motor (2) is configured to be a structure capable of driving the adjusting gear (4) to rotate and driving the eccentric shaft (7) to rotate.

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