Servo traction device

Abstract

The present invention discloses a servo traction device, including a fixed base plate, the top of the fixed base plate is connected to one end of a connecting shaft, the other end of the connecting shaft is sequentially connected to a plurality of active film-pulling rollers, a driving gear and a deep groove ball bearing, the top of the locking pad is connected to a locking buckle, the two ends of the top through pin are respectively connected to a first film-pulling flip frame and a second film-pulling flip frame, a film-pulling panel is installed on one side of the first film-pulling flip frame, a rotating shaft is connected between the two tensioning sliders, and a plurality of driven film-pulling rollers are connected to the middle of the rotating shaft. The present invention has a simple structure and is easy to install and use. The active film-pulling roller is driven to rotate by a servo motor, and then the packaging bag is pulled from left to right for transmission, thereby ensuring the frequency of packaging bag transmission. The traction distance and timing can be set by parameters. The transmission accuracy is higher due to direct drive by the servo motor. The first film-pulling flip frame and the second film-pulling flip frame are detachable, which is convenient for cleaning and adjustment.

Description

Technical Field

[0001] The present invention relates to the technical field of full-automatic roll film packaging machines, in particular to a servo traction device. Background Art

[0002] The fully automatic roll film packaging machine is a device used to wrap film around the outer wall of packaging cartons. It is widely used in containerized storage, transportation and mechanized loading and unloading operations of goods. It has a wide range of uses and is used in the containerization of products such as foreign trade exports, food and beverages, canning, papermaking, dyes, plastic chemicals, glass and ceramics, and electromechanical castings. It is usually used in conjunction with a servo traction device.

[0003] However, the traditional servo traction device has the following disadvantages:

[0004] (1) The structure is complex, inconvenient to disassemble and clean, and very inconvenient to use;

[0005] (2) The traction distance cannot be adjusted, the frequency of packaging bag transmission cannot be guaranteed, the efficiency is low, and the transmission accuracy is low. Summary of the Invention

[0006] The object of the present invention is to provide a servo traction device to solve the existing problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a servo traction device comprises a fixed base plate, the top of the fixed base plate is connected to one end of the connecting shaft, the other end of the connecting shaft is sequentially connected to a plurality of active film-drawing rollers, an active gear and a deep groove ball bearing, one end of the fixed base plate is fixedly connected to the film-drawing base plate, the top of the film-drawing base plate is fixedly connected to a fixed top plate, one side of the fixed top plate is fixedly connected to a first film-drawing side plate, the other side of the fixed top plate is fixedly connected to a second film-drawing side plate, and one end of the fixed top plate is fixedly connected to The locking pad is connected, and the top of the locking pad is connected with a locking buckle, and one end of the bottom of the locking buckle is connected with a top through pin, and the two ends of the top through pin are respectively connected to the first film pulling flip frame and the second film pulling flip frame. A film pulling panel is installed on one side of the first film pulling flip frame, and two tensioning sliders are connected to the other side of the first film pulling flip frame. A rotating shaft is connected between the two tensioning sliders, and a plurality of driven film pulling rollers are connected to the middle of the rotating shaft. The bottom of the fixed base plate is sequentially installed with a coupling, a motor support, a motor base and a servo motor.

[0008] This device is easy to install, disassemble and use. The servo motor drives the active film-pulling roller to rotate, thereby pulling the packaging bag from left to right, ensuring the frequency of packaging bag transmission. The traction distance and timing can be set through parameters. It is directly driven by the servo motor and has higher transmission accuracy.

[0009] As a preferred technical solution of the present invention, the bottom of the fixed top plate is fixedly connected to a supporting column, and one end of the top of the fixed bottom plate is fixedly connected to a supporting horizontal plate.

[0010] As a preferred technical solution of the present invention, both ends of one side of the film stretching panel are connected to tensioning supports, the middle of the tensioning support is connected to an adjusting rod, one end of the adjusting rod is connected to a tensioning nut, and a compression spring is provided inside the tensioning nut.

[0011] As a preferred technical solution of the present invention, a connecting sleeve pad is provided at the bottom of the film-pulling panel, and a bottom through pin is inserted and connected in the middle of the connecting sleeve pad. One end of the bottom through pin passes through the first film-pulling flip frame and is connected to the bottom of the first film-pulling side panel, and the other end of the bottom through pin passes through the second film-pulling flip frame and is connected to the bottom of the second film-pulling side panel.

[0012] As a preferred technical solution of the present invention, a handle is installed at one end of the top of the locking buckle, and the top of the other end of the connecting shaft passes through the fixed top plate and is connected to an adjusting bolt.

[0013] As a preferred technical solution of the present invention, a first washer is provided at the end of the connecting shaft away from the fixed base plate, and a second washer is provided between the driven film-pulling roller and one of the tensioning sliders to reduce the pressure between the structures.

[0014] As a preferred technical solution of the present invention, both ends of the first film-pulling side panel and the second film-pulling side panel are fixedly connected to a fixed support, and the bottom of the fixed support is connected to two vertical rods, one end of one of the vertical rods is provided with a plurality of guide bolts, and both ends of the vertical rods are provided with a clamping block, and a plurality of guide plates are connected between the two vertical rods for pulling and guiding the packaging bags.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention has a simple structure and is easy to install and use. The servo motor drives the active film-pulling roller to rotate, thereby pulling the packaging bag from left to right, ensuring the frequency of packaging bag transmission and improving production efficiency. The traction distance and timing can be set through parameters. The servo motor is directly driven, and the transmission accuracy is higher. The first film-pulling turning frame and the second film-pulling turning frame are detachable, which is convenient for cleaning and adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 An exploded view of the overall structure of the present invention;

[0018] Figure 2 It is a schematic structural diagram of the present invention as a whole.

[0019] In the figure: 1, fixed top plate; 2, first film pulling frame; 3, first film pulling side plate; 4, film pulling bottom plate; 5, fixed bottom plate; 6, top through pin; 7, bottom through pin; 8, tensioning support; 9, tensioning nut; 10, film pulling panel; 11, adjusting bolt; 12, locking pad; 13, locking buckle; 14, rotating shaft; 15, tensioning slider; 16, motor support; 17, adjusting rod; 18, first washer; 19, connecting shaft; 20, Second washer; 21. Connecting sleeve gasket; 22. Vertical rod; 23. Guide bolt; 24. Guide plate; 25. Block; 26. Driven film-pulling roller; 27. Second film-pulling side plate; 28. Second film-pulling flip frame; 29. Deep groove ball bearing; 30. Fixed support; 31. Handle; 32. Active film-pulling roller; 33. Servo motor; 34. Driving gear; 35. Support column; 36. Support cross plate; 37. Motor base; 38. Coupling. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments 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.

[0021] See also Figure 1-2 The present invention provides a servo traction device, including a fixed base plate 5, the top of the fixed base plate 5 is connected to one end of the connecting shaft 19, the other end of the connecting shaft 19 is sequentially connected to a plurality of active film-drawing rollers 32, a driving gear 34 and a deep groove ball bearing 29, one end of the fixed base plate 5 is fixedly connected to the film-drawing base plate 4, the top of the film-drawing base plate 4 is fixedly connected to the fixed top plate 1, one side of the fixed top plate 1 is fixedly connected to the first film-drawing side plate 3, the other side of the fixed top plate 1 is fixedly connected to the second film-drawing side plate 27, one end of the fixed top plate 1 is fixedly connected to the locking pad 12, the locking pad The top of 12 is connected with a locking buckle 13, and one end of the bottom of the locking buckle 13 is connected with a top through pin 6, and the two ends of the top through pin 6 are respectively connected with the first film pulling flip frame 2 and the second film pulling flip frame 28. A film pulling panel 10 is installed on one side of the first film pulling flip frame 2, and two tensioning sliders 15 are connected to the other side of the first film pulling flip frame 2. A rotating shaft 14 is connected between the two tensioning sliders 15, and a plurality of driven film pulling rollers 26 are connected to the middle of the rotating shaft 14. The bottom of the fixed base plate 5 is sequentially installed with a coupling 38, a motor support 16, a motor base 37 and a servo motor 33.

[0022] Preferably, a support column 35 is fixedly connected to the bottom of the fixed top plate 1 , and a support horizontal plate 36 is fixedly connected to one end of the top of the fixed bottom plate 5 .

[0023] Preferably, both ends of one side of the film stretching panel 10 are connected to a tensioning support 8, the middle of the tensioning support 8 is connected to an adjusting rod 17, one end of the adjusting rod 17 is connected to a tensioning nut 9, and a compression spring is provided inside the tensioning nut 9.

[0024] Preferably, a connecting sleeve 21 is provided at the bottom of the film-drawing panel 10, and a bottom through pin 7 is inserted and connected to the middle of the connecting sleeve 21. One end of the bottom through pin 7 passes through the first film-drawing flip frame 2 and is connected to the bottom of the first film-drawing side panel 3, and the other end of the bottom through pin 7 passes through the second film-drawing flip frame 28 and is connected to the bottom of the second film-drawing side panel 27, so as to facilitate installation at the bottom of the first film-drawing side panel 3 and the second film-drawing side panel 27.

[0025] Preferably, a handle 31 is installed at one end of the top of the locking buckle 13, and the top of the other end of the connecting shaft 19 passes through the fixed top plate 1 and is connected to an adjusting bolt 11 for easy adjustment.

[0026] Preferably, a first washer 18 is provided at one end of the connecting shaft 19 away from the fixed base plate 5, and a second washer 20 is provided between the driven film-drawing roller 26 and one of the tensioning sliders 15 to reduce pressure.

[0027] Preferably, both ends of the first film-pulling side panel 3 and the second film-pulling side panel 27 are fixedly connected to a fixed support 30, and the bottom of the fixed support 30 is connected to two vertical rods 22, one end of which is provided with multiple guide bolts 23, and both ends of the vertical rod 22 are provided with a clamping block 25, and multiple guide plates 24 are connected between the two vertical rods 22, which can guide the bag traction, and the height position can be adjusted.

[0028] When in use, the film-drawing base plate 4 is installed on the main machine panel. The waist-shaped holes on the film-drawing base plate 4 can be used to fine-tune the installation position left and right. The guide bolts 23 and the guide plates 24 can be used for bag traction guides, and the height position can be adjusted. The active film-drawing roller 32 and the driven film-drawing roller 26 are driven by the active gear 34, and the power source is provided by the servo motor 33. The top of the fixed top plate 1 is connected with the locking buckle 13 through the locking pad 12. The film-drawing panel 10 is installed at the bottom of the locking buckle 13. The first film-drawing flip frame 2 and the second film-drawing flip frame 28 are respectively installed on both sides of the film-drawing panel 10, and the top is fixed with the locking buckle 13 through the top pin 6. When the inside of the film needs to be adjusted, it can be adjusted outward. Pull the handle 31 to disengage the buckle, and then flip the first film-stretching flip frame 2 and the second film-stretching flip frame 28 downward. The connecting sleeve 21 and the bottom pin 7 are the flipping origins. The tensioning support 8 is installed on the film-stretching panel 10. The adjusting rod 17 is the inner and outer film-stretching wheel tensioning rod, which is connected to the tensioning slider 15. The adjusting rod 17 is connected to the tensioning nut 9, and a compression spring is provided inside the tensioning nut 9. When the main machine is running, the active film-stretching roller 32 is driven to rotate by the servo motor 33, and then the packaging bag is pulled from left to right. The traction distance and timing can be set by parameters. It is directly driven by the servo motor 33, and the transmission accuracy is higher. The first film-stretching flip frame 2 and the second film-stretching flip frame 28 are detachable, which is convenient for cleaning and adjustment.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, 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 servo traction device comprising a fixed base plate (5), characterized in that: The top of the fixed base plate (5) is connected to one end of the connecting shaft (19), and the other end of the connecting shaft (19) is sequentially connected to a plurality of active film-drawing rollers (32), an active gear (34) and a deep groove ball bearing (29). One end of the fixed base plate (5) is fixedly connected to the film-drawing base plate (4), and the top of the film-drawing base plate (4) is fixedly connected to the fixed top plate (1). One side of the fixed top plate (1) is fixedly connected to the first film-drawing side plate (3), and the other side of the fixed top plate (1) is fixedly connected to the second film-drawing side plate (27). One end of the fixed top plate (1) is fixedly connected to the locking pad (12), and the top of the locking pad (12) is connected to the locking buckle ( 13), one end of the bottom of the locking buckle (13) is connected with a top through pin (6), and the two ends of the top through pin (6) are respectively connected to a first film-pulling turning frame (2) and a second film-pulling turning frame (28), a film-pulling panel (10) is installed on one side of the first film-pulling turning frame (2), and two tensioning sliders (15) are connected to the other side of the first film-pulling turning frame (2), a rotating shaft (14) is connected between the two tensioning sliders (15), and a plurality of driven film-pulling rollers (26) are connected to the middle of the rotating shaft (14), and a coupling (38), a motor support (16), a motor base (37) and a servo motor (33) are installed in sequence at the bottom of the fixed base plate (5); The bottom of the film-drawing panel (10) is provided with a connecting sleeve (21), and the middle of the connecting sleeve (21) is connected with a bottom through-pin (7), one end of the bottom through-pin (7) passes through the first film-drawing turning frame (2) and is connected to the bottom of the first film-drawing side panel (3), and the other end of the bottom through-pin (7) passes through the second film-drawing turning frame (28) and is connected to the bottom of the second film-drawing side panel (27); Both ends of the first film-drawing side plate (3) and the second film-drawing side plate (27) are fixedly connected to a fixed support (30), and the bottom of the fixed support (30) is connected to two vertical rods (22), one end of one of the vertical rods (22) is provided with a plurality of guide bolts (23), and both ends of the vertical rod (22) are provided with a clamping block (25), and a plurality of guide plates (24) are connected between the two vertical rods (22).

2. The servo traction device according to claim 1, characterized in that: The bottom of the fixed top plate (1) is fixedly connected to a support column (35), and one end of the top of the fixed bottom plate (5) is fixedly connected to a support horizontal plate (36).

3. The servo traction device according to claim 1, characterized in that: Both ends of one side of the film-stretching panel (10) are connected to tensioning supports (8), the middle of the tensioning support (8) is connected to an adjusting rod (17), one end of the adjusting rod (17) is connected to a tensioning nut (9), and a compression spring is provided inside the tensioning nut (9).

4. The servo traction device according to claim 1, characterized in that: A handle (31) is installed at one end of the top of the locking buckle (13), and an adjusting bolt (11) is connected to the top of the other end of the connecting shaft (19) through the fixed top plate (1).

5. The servo traction device according to claim 1, characterized in that: A first washer (18) is provided at one end of the connecting shaft (19) away from the fixed base plate (5), and a second washer (20) is provided between the driven film-drawing roller (26) and one of the tensioning sliders (15).

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