PLC (Programmable Logic Controller) glue position controller of hot melt glue machine

Abstract

The utility model discloses a PLC (Programmable Logic Controller) glue position controller of a hot melt glue machine, which belongs to the technical field of hot melt glue machines and comprises a U-shaped frame, and two first brackets are arranged at the top of the inner side of the U-shaped frame. According to the glue dispensing device, the first sliding seat and the glue dispensing head are driven to transversely move by virtue of screw-thread fit between the first screw rod and the first sliding seat, so that transverse glue dispensing on an object is realized, and meanwhile, the moving distance of the first sliding seat is measured and controlled by virtue of the first distance measuring sensor; a second sliding seat and a dispensing head are driven to move front and back through screw-thread fit between a second screw rod and the second sliding seat, so that front and back dispensing of an object is realized, and meanwhile, the moving distance of the second sliding seat is measured and controlled by utilizing a second distance measuring sensor; and the data measured by the first distance measuring sensor and the second distance measuring sensor are displayed through the PCL controller, so that the moving distance of the dispensing head is specifically controlled, and the practicability of the PLC glue position controller of the hot melt glue machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melt adhesive machines, and more specifically to a PLC adhesive position controller for a hot melt adhesive machine. Background Art

[0002] Hot melt glue machine is mainly used for automatic application equipment of hot melt glue spraying, scraping, rolling, coating and injecting. It is widely used in household goods, automobile industry, air filter, non-woven fabric composite, footwear industry, printing, electronic product assembly, clothing, book binding and other industries.

[0003] After searching, the utility model patent with announcement number CN210230500U discloses a PLC glue position controller for a hot melt glue machine, including a bottom plate, a first slide rail and two first connecting blocks are provided on the bottom side of the top plate away from the support plate, a mounting frame and a second connecting block are respectively provided at both ends of the first slide rail at the bottom of the top plate, a first slide plate is matched in the first slide rail, a first connecting rod and a third connecting block are provided at the bottom of the first slide plate, a screw rod is provided at one end of the output shaft of the motor, a movable sliding block is matched on the outer wall of the square sliding rod, a second connecting rod is provided at the bottom of the sliding rod, one end of the first connecting rod and the second connecting rod is provided with the same connecting plate, a fourth connecting block and a second slide rail are provided at the bottom of the connecting plate, a second slide rail is matched in the second slide rail, a fifth connecting block and a first electric push rod are provided at the bottom of the second slide plate, a second electric push rod is provided on the side wall of the fourth connecting block, and a dispensing head is provided at one end of the first electric push rod; the patent is convenient and quick to use and can realize the rapid movement of the dispensing head.

[0004] However, the above patents still have the following shortcomings: although the position of the glue dispensing head can be adjusted, it is not convenient to specifically control the moving position of the glue dispensing head; it is also not convenient to adjust the angle of the glue dispensing head, and it is not convenient to perform glue dispensing operations on some inclined objects. For this reason, we propose a PLC glue position controller for hot melt glue machines. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a PLC glue level controller for a hot melt adhesive machine.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A PLC glue position controller for a hot melt glue machine comprises a U-shaped frame, wherein two first brackets are arranged on the top of the inner side of the U-shaped frame, a first screw rod is rotatably connected between the two first brackets, a first slide seat is threadedly sleeved on the outer side of the first screw rod, two second brackets are fixedly connected to the bottom surface of the first slide seat, a second screw rod is rotatably connected between the two second brackets, a second slide seat is threadedly sleeved on the outer side of the second screw rod, two electric push rods are fixedly installed on the bottom surface of the second slide seat, an angle adjustment mechanism is arranged at the bottom end of the two electric push rods, a glue dot head is arranged on the angle adjustment mechanism, first distance measuring sensors are fixedly installed on the outer sides of the two first brackets, a second distance measuring sensor is fixedly installed on the inner side of one of the second brackets, and a PCL controller is arranged on the outer side of the U-shaped frame.

[0008] As a preferred solution of the utility model, the angle adjustment mechanism includes a mounting box fixedly connected to the bottom end of the electric push rod, a third motor is fixedly installed in the inner cavity of the mounting box, the output shaft of the third motor extends to the bottom of the mounting box and is fixedly connected to a rotating frame, the dispensing head is rotatably connected to the inner side of the rotating frame, a fourth motor is fixedly installed on the outer side of the rotating frame, and the output shaft of the fourth motor is connected to one end of the rotating shaft of the dispensing head.

[0009] As a preferred solution of the utility model, two first sliding rods are fixedly sleeved between the two first brackets, and the first sliding rods are movably sleeved with the first sliding seat.

[0010] As a preferred solution of the utility model, two second sliding rods are fixedly sleeved between the two second brackets, and the second sliding rods are movably sleeved with the second sliding seat.

[0011] As a preferred solution of the utility model, a first motor is fixedly mounted on the outer side of the first bracket, and the output shaft of the first motor is connected to the end of the first screw rod.

[0012] As a preferred solution of the present invention, a second motor is fixedly mounted on the outer side of another second bracket, and the output shaft of the second motor is connected to the end of the second screw rod.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) In the present invention, the first screw rod and the first slide are used to drive the first slide and the glue dispensing head to move horizontally, so as to achieve horizontal glue dispensing of the object. At the same time, the first distance measuring sensor is used to measure and control the movement distance of the first slide. The second screw rod and the second slide are used to drive the second slide and the glue dispensing head to move forward and backward, so as to achieve forward and backward glue dispensing of the object. At the same time, the second distance measuring sensor is used to measure and control the movement distance of the second slide. The data measured by the first distance measuring sensor and the second distance measuring sensor are displayed by the PCL controller, so as to specifically control the movement distance of the glue dispensing head.

[0015] (2) In the utility model, the fourth motor is used to drive the glue dispensing head to rotate in the vertical direction to adjust the glue dispensing angle of the glue dispensing head, and the third motor is used to drive the rotating frame and the glue dispensing head to rotate horizontally, thereby adjusting the position of the bottom end of the glue dispensing head, so that the glue dispensing head can dispense glue at different angles, and then can dispense glue on an inclined surface, thereby improving the practicality of the hot melt glue machine PLC glue position controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the first bracket of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the first slide seat of the utility model;

[0019] Figure 4 It is a cross-sectional schematic diagram of the installation box of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1. U-shaped frame; 2. first bracket; 3. first screw rod; 4. first slide; 5. second bracket; 6. second screw rod; 7. second slide; 8. electric push rod; 9. angle adjustment mechanism; 10. dispensing head; 11. first distance sensor; 12. second distance sensor; 13. first motor; 14. second motor; 15. PCL controller; 16. installation box; 17. third motor; 18. rotating frame; 19. fourth motor; 20. first slide bar; 21. second slide bar. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings 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.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Example:

[0026] See also Figure 1-4 A PLC glue position controller for a hot melt glue machine comprises a U-shaped frame 1, two first brackets 2 are arranged on the top of the inner side of the U-shaped frame 1, a first screw rod 3 is rotatably connected between the two first brackets 2, a first slide seat 4 is threadedly sleeved on the outer side of the first screw rod 3, two second brackets 5 are fixedly connected to the bottom surface of the first slide seat 4, a second screw rod 6 is rotatably connected between the two second brackets 5, a second slide seat 7 is threadedly sleeved on the outer side of the second screw rod 6, two electric push rods 8 are fixedly installed on the bottom surface of the second slide seat 7, an angle adjustment mechanism 9 is arranged at the bottom end of the two electric push rods 8, a glue head 10 is arranged on the angle adjustment mechanism 9, first distance measuring sensors 11 are fixedly installed on the outer sides of the two first brackets 2, a second distance measuring sensor 12 is fixedly installed on the inner side of a second bracket 5, and a PCL controller 15 is arranged on the outer side of the U-shaped frame 1.

[0027] In this embodiment, the top end of the glue dispensing head 10 is connected to the glue guide tube of the hot melt glue machine so as to guide the hot melt glue into the glue dispensing head 10 .

[0028] For details, please refer to Figure 1 , Figure 3 and Figure 4 The angle adjustment mechanism 9 includes a mounting box 16 fixedly connected to the bottom end of the electric push rod 8, a third motor 17 is fixedly installed in the inner cavity of the mounting box 16, the output shaft of the third motor 17 extends to the bottom of the mounting box 16 and is fixedly connected to a rotating frame 18, the dispensing head 10 is rotatably connected to the inner side of the rotating frame 18, and a fourth motor 19 is fixedly installed on the outer side of the rotating frame 18, and the output shaft of the fourth motor 19 is connected to one end of the rotating shaft of the dispensing head 10.

[0029] In this embodiment, the third motor 17 is used to drive the rotating frame 18 and the glue dispensing head 10 to rotate horizontally, and the fourth motor 19 is used to drive the glue dispensing head 10 to rotate vertically, so as to adjust the angle of the glue dispensing head 10.

[0030] For details, please refer to Figure 2 Two first slide bars 20 are fixedly sleeved between the two first brackets 2, and the first slide bars 20 are movably sleeved with the first slide seat 4.

[0031] In this embodiment, the first slide seat 4 is limited by the cooperation between the first slide rod 20 and the first slide seat 4 , so that the first slide seat 4 can only move along the axial direction of the first screw rod 3 .

[0032] For details, please refer to Figure 3 Two second slide bars 21 are fixedly sleeved between the two second brackets 5 , and the second slide bars 21 are movably sleeved with the second slide seat 7 .

[0033] In this embodiment, the second slide seat 7 is limited by the cooperation between the second slide rod 21 and the second slide seat 7 , so that the second slide seat 7 can only move along the axial direction of the second screw rod 6 .

[0034] For details, please refer to Figure 2 A first motor 13 is fixedly mounted on the outer side of a first bracket 2 , and an output shaft of the first motor 13 is connected to an end of the first screw rod 3 .

[0035] In this embodiment, the first motor 13 is used to drive the first screw rod 3 to rotate, and the cooperation between the first screw rod 3 and the first slide seat 4 is used to drive the dispensing head 10 to move horizontally.

[0036] For details, please refer to Figure 3 A second motor 14 is fixedly mounted on the outer side of another second bracket 5 , and an output shaft of the second motor 14 is connected to the end of the second screw rod 6 .

[0037] In this embodiment, the second motor 14 is used to drive the second screw rod 6 to rotate, and the cooperation between the second screw rod 6 and the second slide seat 7 is used to drive the dispensing head 10 to move forward and backward.

[0038] Working principle: When in use, first place the object to be bonded on the U-shaped frame 1, and use the PCL controller 15 to control the operation of the first motor 13, the second motor 14, the third motor 17 and the fourth motor 19, and use the first motor 13 to drive the first screw rod 3 to rotate, and use the threaded fit between the first screw rod 3 and the first slide 4 to drive the first slide 4 and the dispensing head 10 to move horizontally, and use the second motor 14 to drive the second screw rod 6 to rotate, and use the threaded fit between the second screw rod 6 and the second slide 7 to drive the second slide 7 and the dispensing head 10 to move back and forth, so that the dispensing head 10 moves to the top of the object where the glue is dispensed, and then start the electric push rod 8 to drive the installation box 16 and the dispensing head 10 to move downward, so that the bottom end of the dispensing head 10 is in contact with the dispensing part of the object, and the dispensing head 1 can also be driven by the fourth motor 19. 0 is rotated vertically, and the third motor 17 is used to drive the rotating frame 18 and the dispensing head 10 to turn, so that the bottom end of the dispensing head 10 is tilted and placed at the dispensing position of the object. Finally, the first motor 13 is started again to drive the first screw rod 3 to rotate, and the cooperation between the first screw rod 3 and the first slide 4 is used to drive the dispensing head 10 to move horizontally. At the same time, the first distance measuring sensor 11 is used to measure the moving distance of the first slide 4, and the data is displayed on the PCL controller 15. In addition, the second motor 14 is started again to drive the second screw rod 6 to rotate, and the cooperation between the second screw rod 6 and the second slide 7 is used to drive the second slide 7 and the dispensing head 10 to move back and forth, and the second distance measuring sensor 12 is used to measure the moving distance of the second slide 7, and the PCL controller 15 is used to display the data, so as to dispense glue on the object.

[0039] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A PLC glue level controller for a hot melt adhesive machine, comprising a U-shaped frame (1), characterized in that: Two first brackets (2) are arranged at the top of the inner side of the U-shaped frame (1), a first screw rod (3) is rotatably connected between the two first brackets (2), a first slide seat (4) is threadedly sleeved on the outer side of the first screw rod (3), two second brackets (5) are fixedly connected to the bottom surface of the first slide seat (4), a second screw rod (6) is rotatably connected between the two second brackets (5), a second slide seat (7) is threadedly sleeved on the outer side of the second screw rod (6), two electric push rods (8) are fixedly installed on the bottom surface of the second slide seat (7), an angle adjustment mechanism (9) is arranged at the bottom end of the two electric push rods (8), a glue head (10) is arranged on the angle adjustment mechanism (9), first distance measuring sensors (11) are fixedly installed on the outer sides of the two first brackets (2), a second distance measuring sensor (12) is fixedly installed on the inner side of one of the second brackets (5), and a PCL controller (15) is arranged on the outer side of the U-shaped frame (1).

2. A hot melt adhesive machine PLC glue level controller according to claim 1, characterized in that: The angle adjustment mechanism (9) comprises a mounting box (16) fixedly connected to the bottom end of the electric push rod (8), a third motor (17) is fixedly installed in the inner cavity of the mounting box (16), an output shaft of the third motor (17) extends to the bottom of the mounting box (16) and is fixedly connected to a rotating frame (18), the dispensing head (10) is rotatably connected to the inner side of the rotating frame (18), a fourth motor (19) is fixedly installed on the outer side of the rotating frame (18), and the output shaft of the fourth motor (19) is connected to one end of the rotating shaft of the dispensing head (10).

3. A PLC glue level controller for a hot melt adhesive machine according to claim 1, characterized in that: Two first sliding rods (20) are fixedly sleeved between the two first brackets (2), and the first sliding rods (20) and the first sliding seat (4) are movably sleeved.

4. A hot melt adhesive machine PLC glue level controller according to claim 1, characterized in that: Two second slide bars (21) are fixedly sleeved between the two second brackets (5), and the second slide bars (21) are movably sleeved with the second slide seat (7).

5. A hot melt adhesive machine PLC glue level controller according to claim 1, characterized in that: A first motor (13) is fixedly mounted on the outer side of the first bracket (2), and an output shaft of the first motor (13) is connected to the end of the first screw rod (3).

6. A PLC glue level controller for a hot melt adhesive machine according to claim 1, characterized in that: A second motor (14) is fixedly mounted on the outer side of another second bracket (5), and an output shaft of the second motor (14) is connected to the end of the second screw rod (6).

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