Packaging machine belt bonding mechanism dragged by motor

Abstract

The utility model discloses a packing machine belt bonding mechanism dragged by a motor, and belongs to the technical field of packing machines. The device mainly solves the problems that an existing belt bonding mechanism dragged by a motor is complex in mechanism, multiple in parts and large in occupied space. The device is mainly characterized by comprising an air cylinder, a belt bonding assembly, an eccentric shaft assembly and a motor dragging assembly, wherein the air cylinder, the eccentric shaft assembly and the motor dragging assembly are fixed on the same case body; an air cylinder piston of the air cylinder faces downwards; the upper end of the bonding component is connected with a piston of the cylinder, and the lower end is connected with the eccentric shaft component through the connecting mechanism; and the motor dragging assembly is connected with the eccentric shaft assembly through a transmission mechanism. The baling machine head has the advantages of being capable of achieving miniaturization and light weight of the baling machine head of the automatic baling machine, and is mainly used for reducing the size and the weight of an existing baling machine head.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of packing machine, especially relates to a packing machine belt adhesion mechanism driven by motor. BACKGROUND

[0002] Automatic packing machine is increasingly widely applied in the automatic packing after the product packaging of manufacturing industry, and the most widely used belt adhesion mechanism of the packing machine is mechanical pressure high-frequency swing adhesion, and the power source is pneumatic motor and motor two kinds. The belt adhesion mechanism driven by motor has the characteristics of good reliability and continuous work, but the mechanism is complex, and the parts are many, so that the packing machine head is difficult to miniaturize and lightweight. SUMMARY

[0003] The utility model discloses a kind of novel belt adhesion mechanisms driven by motor, to solve the design, manufacture of the packing machine head of the above automatic packing machine, and the packing machine head is miniaturized and lightweight.

[0004] The technical solution of the utility model is as follows: a packing machine belt adhesion mechanism driven by motor, characterized by: including cylinder, belt adhesion component, eccentric shaft component and motor drag component;Wherein, the cylinder, eccentric shaft component and motor drag component are fixed on the same machine box body;The cylinder piston direction of the cylinder is downward;The upper end of the belt adhesion component is connected with the piston of the cylinder, and the lower end is connected with the eccentric shaft component through connecting mechanism;The motor drag component is connected with the eccentric shaft component through transmission mechanism.

[0005] The technical solution of the utility model further includes belt adhesion fixed pad block, and the belt adhesion fixed pad block is arranged directly below the belt adhesion component;The upper end of the belt adhesion component is connected with the piston of the cylinder through loose joint.

[0006] The technical solution of the utility model is as follows: the belt adhesion component is composed of cutter head body and adhesion cutter bar;The lower end of the cutter head body is opened, and cavity or space for accommodating the adhesion cutter bar is arranged;The upper part of the adhesion cutter bar is connected with the upper end of the cavity or space of the cutter head body through first cylindrical pin, and the lower part is connected with one end of connecting mechanism through second cylindrical pin;The upper end of the adhesion cutter bar forms hinged pair with the cutter head body, and the lower end of the adhesion cutter bar forms hinged pair with the connecting rod of connecting mechanism.

[0007] The bottom end of the adhesion cutter bar is provided with lower end plane matched with the belt adhesion fixed pad block in the technical solution of the utility model.

[0008] The eccentric shaft assembly comprises a seat body, a first bearing, a first synchronous pulley, an eccentric shaft, a first oil injection nozzle, a second oil injection nozzle and a second bearing; the seat body is fixed on a machine box body; the eccentric shaft is arranged in the middle of the seat body through two pairs of first bearings; the first synchronous pulley is arranged on the input end side of the eccentric shaft, and the eccentric section position in the middle of the eccentric shaft is connected with a coupling mechanism through a pair of second bearings; the seat body is provided with the first oil injection nozzle which is communicated with the first bearing; the coupling mechanism is composed of a connecting rod head and a connecting rod; a pair of second bearings are arranged in the hole of one end of the connecting rod head, and the other end is connected with one end of the connecting rod through a positioning structure and is fixed by a screw; the other end of the connecting rod is connected with the lower end of the adhesive cutter bar in the adhesive assembly; and the second oil injection nozzle is arranged on the connecting rod head.

[0009] The first spacer is arranged between the two pairs of first bearings, and the second spacer is arranged between the pair of second bearings; the coupling mechanism is composed of a connecting rod head and a connecting rod; a pair of second bearings are arranged in the hole of one end of the connecting rod head, and the other end is connected with one end of the connecting rod through a positioning structure and is fixed by a screw; the other end of the connecting rod is connected with the lower end of the adhesive cutter bar in the adhesive assembly; and the second oil injection nozzle is arranged on the connecting rod head.

[0010] The first spacer is arranged between the two pairs of first bearings, and the second spacer is arranged between the pair of second bearings; the coupling mechanism is composed of a connecting rod head and a connecting rod; a pair of second bearings are arranged in the hole of one end of the connecting rod head, and the other end is connected with one end of the connecting rod through a positioning structure and is fixed by a screw; the other end of the connecting rod is connected with the lower end of the adhesive cutter bar in the adhesive assembly; and the second oil injection nozzle is arranged on the connecting rod head.

[0011] The motor dragging assembly comprises a motor seat, a motor and a second synchronous pulley; the motor seat is fixed on the machine box body; the motor is fixed on the motor seat; and the second synchronous pulley is arranged on the output shaft end of the motor.

[0012] The motor seat is fixed on the machine box body through a strip-shaped mounting hole, and the fixed position can be adjusted within a certain range according to the tightness degree of the synchronous belt.

[0013] The transmission mechanism is a synchronous belt.

[0014] The utility model has the following positive effects:

[0015] Compared with other similar mechanisms at present, the utility model reduces the number of parts, reduces the size of the parts, reduces the occupied space of the whole mechanism, thereby reducing the volume of the packing machine head and reducing the weight of the packing machine head.

[0016] The utility model discloses a realize automatic packing machine packing machine head miniaturization and light weight's characteristics, mainly used for reducing the volume of existing packing machine head and reducing the weight of existing packing machine head. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall schematic diagram of a motor-driven packing machine with a bonding mechanism of the utility model.

[0018] Figure 2 It is the internal structure schematic of the component in a motor-driven packing machine with a bonding mechanism of the utility model. Figure One .

[0019] Figure 3 It is the internal structure schematic of the component in a motor-driven packing machine with a bonding mechanism of the utility model. Figure Two .

[0020] In the drawing: 1-cylinder, 2-bonding assembly, 3-movable joint, 4-bonding fixed pad block, 5-eccentric shaft assembly, 6-synchronous belt, 7-motor-driven assembly, 2.1-tool head body, 2.2-first cylindrical pin, 2.3-bonding tool bar, 2.4-second cylindrical pin, 5.1-seat body, 5.2-first bearing, 5.3-first synchronous pulley, 5.4-eccentric shaft, 5.5-first oil nozzle, 5.6-first spacer, 5.7-second oil nozzle, 5.8-second bearing, 5.9-second spacer, 5.10-rod head, 5.11-rod, 7.1-motor seat, 7.2-motor, 7.3-second synchronous pulley. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The description of these embodiments is used to help understand the utility model, but does not constitute the limitation to the utility model. The described embodiments are only one embodiment of the utility model, not all the embodiments.

[0022] Referring to Figure 1 , 2 , 3, the embodiment of the utility model of a motor-driven bonding mechanism, including cylinder 1, bonding assembly 2, movable joint 3, bonding fixed pad block 4, eccentric shaft assembly 5, synchronous belt 6, motor-driven assembly 7. Among them, cylinder 1, eccentric shaft assembly 5 and motor-driven assembly 7 are fixed on the same machine box body. Bonding assembly 2 is linked with the piston of cylinder 1 through movable joint 3, can only move up and down on the above-mentioned same machine box body. Bonding fixed pad block 4 is arranged directly below bonding assembly 2. Motor-driven assembly 7 is connected with eccentric shaft assembly 5 through transmission mechanism.

[0023] The cylinder piston direction of cylinder 1 is downward.

[0024] The motor driving assembly 7 is composed of a motor base 7.1, a motor 7.2 and a second synchronous pulley 7.3. The motor base 7.1 is fixed on the machine box body, the motor 7.2 is fixed on the motor base 7.1, and the second synchronous pulley 7.3 is installed on the output shaft end of the motor 7.2. The motor base 7.1 is installed and fixed on the machine box body through a strip-shaped mounting hole, and the fixed position can be adjusted within a certain range according to the tightness of the synchronous belt 6. The second synchronous pulley 7.3 is coupled and driven by the synchronous belt 6 with the first synchronous pulley 5.3.

[0025] The eccentric shaft assembly 5 is composed of a seat body 5.1, a first bearing 5.2, a first synchronous pulley 5.3, an eccentric shaft 5.4, a first oil injection nozzle 5.5 and a second bearing 5.8. Among them, the seat body 5.1 is fixed on the machine box body. The eccentric shaft 5.4 is installed in the middle of the seat body 5.1 through two pairs of first bearings 5.2. The first synchronous pulley 5.3 is installed on the input end side of the eccentric shaft 5.4, and the eccentric segment position in the middle of the eccentric shaft 5.4 is installed and coupled to the connecting mechanism through a pair of second bearings 5.8. The seat body 5.1 is provided with a first oil injection nozzle 5.5 communicated with the first bearing 5.2; a first spacer 5.6 is installed between the two pairs of first bearings 5.2. A second spacer 5.9 is provided between the pair of second bearings 5.8. The seat body 5.1 is provided with an oil injection channel composed of a hole between the first bearing 5.2 and the first oil injection nozzle 5.5.

[0026] The belt bonding assembly 2 is composed of a tool head body 2.1 and a bonding tool rod 2.3. Among them, the lower end of the tool head body 2.1 is open and provided with a cavity that can accommodate the bonding tool rod 2.3, which can also be a space. The upper end of the tool head body 2.1 is movably coupled with the movable joint 3. The upper part of the bonding tool rod 2.3 is installed in the upper part of the cavity of the tool head body 2.1 through a first cylindrical pin 2.2; the lower part is connected with one end of the connecting mechanism through a second cylindrical pin 2.4.

[0027] The upper end of the bonding tool rod 2.3 forms a hinge pair with the tool head body 2.1, so that the bonding tool rod 2.3 can make the required appropriate swing in the inner cavity of the tool head body 2.1; the lower end of the bonding tool rod 2.3 forms a hinge pair with the connecting rod 5.11, which drives the bonding tool rod to swing when the eccentric shaft rotates. The bottom end of the bonding tool rod 2.3 is provided with a lower end plane matched with the bonding fixed pad 4.

[0028] The connecting mechanism is composed of a connecting rod head 5.10 and a connecting rod 5.11. Among them, a pair of second bearings 5.8 is installed in the hole of one end of the connecting rod head 5.10, and the other end is coupled with one end of the connecting rod 5.11 through a positioning structure and fixed with a screw, so as to facilitate the assembly and maintenance of the whole machine; the other end of the connecting rod 5.11 is connected with the lower part of the bonding tool rod 2.3 (the part above the lower end plane). The connecting rod head 5.10 is provided with a second oil injection nozzle 5.7 communicated with the second bearing 5.8, forming an oil injection channel.

[0029] The connecting rod 5.11 is connected with the adhering cutter bar 2.3 through a hinge coupling formed by the second cylindrical pin 2.4, and the rotation of the eccentric shaft 5.4 is converted into the swing of the adhering cutter bar 2.3, and after the piston of the cylinder 1 drives the lower end plane of the adhering cutter bar 2.3 to press the baling belt joint, the adhering cutter bar 2.3 is heated and adhered by friction.

[0030] The mechanism principle is as follows:

[0031] The take-up and pay-off mechanism of the baling machine head sends the baling belt joint to the belt adhering fixing block 4, and after the baling belt joint is in place, the take-up and pay-off mechanism sends a signal to the electric control part of the baling machine head; the piston of the cylinder 1 drives the belt adhering assembly 2 to move downward, and the lower end plane of the adhering cutter bar 2.3 presses the baling belt joint on the belt adhering fixing block 4.

[0032] At the same time when the piston of the cylinder 1 moves downward, the motor 7.2 is started by being electrified, and the rotation energy of the motor 7.2 is transmitted to the eccentric shaft 5.4 through the second synchronous pulley 7.3, the synchronous belt 6 and the first synchronous pulley 5.3 which are fixed to the output shaft end of the motor 7.2.

[0033] The rotation energy of the eccentric shaft 5.4 is converted into the reciprocating movement of the connecting rod head 5.10 according to the eccentric amount of the eccentric shaft 5.4 by the eccentric structure.

[0034] The connecting rod 5.11 and the adhering connecting rod 2.3 are connected through a hinge pair formed by the cylindrical pin 2.4, and the reciprocating movement of the connecting rod 5.11 drives the adhering connecting rod 2.3 to swing, and the upper and lower joint surfaces of the baling belt joint are brought into friction to generate heat, so that the joint is adhered.

[0035] The first spacer 5.6 is arranged in the middle of the two pairs of first bearings 5.2 in the eccentric shaft assembly 5, and the second spacer 5.9 is arranged in the middle of the other pair of second bearings 5.8, so as to ensure appropriate gaps between each pair of bearings, so as to lubricate the bearings by oil injection. The first oil injection nozzle 5.5 is arranged at the installation shell part of the middle gap of the two pairs of first bearings 5.2; the second oil injection nozzle 5.7 is arranged at the installation shell part of the middle gap of the other pair of second bearings 5.8, and the oil injection channels formed by the holes in the corresponding parts of the oil injection nozzles and the shell are used to lubricate the bearings by oil injection.

[0036] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and design concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A motor-driven strapping mechanism for a baler, characterized by: The invention comprises a cylinder (1), a belt bonding assembly (2), an eccentric shaft assembly (5) and a motor drive assembly (7); wherein the cylinder (1), the eccentric shaft assembly (5) and the motor drive assembly (7) are fixed on the same chassis; the cylinder piston of the cylinder (1) faces downward; the upper end of the belt bonding assembly (2) is connected to the piston of the cylinder (1), and the lower end is connected to the eccentric shaft assembly (5) through a connecting mechanism; and the motor drive assembly (7) is connected to the eccentric shaft assembly (5) through a transmission mechanism.

2. The motor-driven strapping mechanism for a baler according to claim 1, characterized in that: It also includes an adhesive fixing pad (4), which is arranged directly below the adhesive assembly (2); the upper end of the adhesive assembly (2) is connected to the piston of the cylinder (1) through a flexible joint (3).

3. The motor-driven strapping mechanism for a baler according to claim 1 or 2, characterized in that: The adhesive component (2) is composed of a cutter head body (2.1) and an adhesive knife rod (2.3); the lower end of the cutter head body (2.1) is open and is provided with a cavity or space capable of accommodating the adhesive knife rod (2.3); the upper part of the adhesive knife rod (2.3) is connected to the upper end of the cutter head body cavity or space via a first cylindrical pin (2.2), and the lower part is connected to one end of a connecting mechanism via a second cylindrical pin (2.4); the upper end of the adhesive knife rod (2.3) forms a hinge pair with the cutter head body (2.1), and the lower end of the adhesive knife rod (2.3) forms a hinge pair with the connecting rod (5.11) of the connecting mechanism.

4. The motor-driven strapping mechanism for a baler according to claim 3, characterized in that: The bottom end of the bonding knife rod (2.3) is provided with a lower end plane that cooperates with the bonding fixed pad (4); the upper end of the knife head body (2.1) is movably connected to the cylinder (1) or the movable joint (3).

5. A motor-driven strapping mechanism for a baler according to any one of claims 1-2 and 4, characterized in that: The eccentric shaft assembly (5) comprises a seat body (5.1), a first bearing (5.2), a first synchronous pulley (5.3), an eccentric shaft (5.4), a first oiling nozzle (5.5), a second oiling nozzle (5.7) and a second bearing (5.8); the seat body (5.1) is fixed to the chassis; the eccentric shaft (5.4) is mounted on the middle part of the seat body (5.1) through two pairs of first bearings (5.2); the first synchronous pulley (5.3) is mounted on one side of the input end of the eccentric shaft (5.4), and the eccentric section in the middle of the eccentric shaft (5.4) is connected to the connecting mechanism through a pair of second bearings (5.8); the seat body (5.1) is provided with a first oiling nozzle (5.5) in communication with the first bearing (5.2); and the connecting mechanism is provided with a second oiling nozzle (5.7) in communication with the second bearing (5.8).

6. The motor-driven strapping mechanism for a baler according to claim 5, characterized in that: A first spacer (5.6) is provided between the two pairs of first bearings (5.2), and a second spacer (5.9) is provided between the pair of second bearings (5.8); the connecting mechanism is composed of a connecting rod head (5.10) and a connecting rod (5.11); a pair of second bearings (5.8) are installed in a hole at one end of the connecting rod head (5.10), and the other end is connected to one end of the connecting rod (5.11) through a positioning structure and fixed with screws, and the other end of the connecting rod (5.11) is connected to the lower end of the adhesive knife rod (2.3) in the adhesive assembly (2); the second oiling nozzle (5.7) is provided on the connecting rod head (5.10).

7. The motor-driven strapping mechanism for a baler according to claim 6, characterized in that: The seat body (5.1) is provided with an oil injection channel formed by a hole between the first bearing (5.2) and the first oil injection nozzle (5.5); the connecting rod head (5.10) is provided with an oil injection channel formed by a second oil injection nozzle (5.7) communicating with the second bearing (5.8); the connecting rod (5.11) and the bonding knife rod (2.3) are connected and driven by a hinge pair composed of a second cylindrical pin (2.4), and the rotation of the eccentric shaft (5.4) is converted into the swing of the bonding knife rod (2.3). When the piston of the cylinder (1) moves downward, the lower end plane of the bonding knife rod (2.3) is appropriately pressed against the strapping tape joint, and then friction heat is generated and bonded.

8. A motor-driven strapping mechanism for a baler according to any one of claims 1-2, 4, 6-7, characterized in that: The motor drive assembly (7) comprises a motor base (7.1), a motor (7.2) and a second synchronous pulley (7.3); the motor base (7.1) is fixed to the chassis; the motor (7.2) is fixed to the motor base (7.1); and the second synchronous pulley (7.3) is mounted on the output shaft end of the motor (7.2).

9. The motor-driven strapping mechanism for a baler according to claim 8, characterized in that: The motor seat (7.1) is fixed on the chassis through the strip-shaped mounting holes, and the fixed position can be adjusted within a certain range according to the tightness of the synchronous belt (6).

10. A motor-driven strapping mechanism for a baler according to any one of claims 1-2, 4, 6-7, and 9, characterized in that: The transmission mechanism is a synchronous belt (6).

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