PET-PP (Polyethylene Terephthalate-Polypropylene) belt receiving and conveying welding equipment

Abstract

The utility model discloses PET (polyethylene terephthalate)-PP (propene polymer) belt collecting, conveying and welding equipment which comprises a machine core floating mechanism, a belt collecting and conveying mechanism and a belt cutting and welding mechanism, the machine core floating mechanism comprises a bottom plate, the belt collecting and conveying mechanism and the belt cutting and welding mechanism are both arranged at the lower end of the bottom plate, and the belt collecting and conveying mechanism comprises a belt wheel motor, a belt wheel, an eccentric wheel motor, an eccentric wheel and a pressing assembly. The belt wheel motor drives the belt wheel to rotate to convey the packing belt, the eccentric wheel motor drives the eccentric wheel to rotate so as to drive the pressing assembly to press the packing belt, the belt cutting and welding mechanism comprises a cam assembly, a friction welding assembly and a belt pressing and cutting assembly, and the cam assembly drives the belt pressing and cutting assembly to cut the packing belt. And the friction welding assembly is used for welding the cut packing belt. The PET-PP packing belt feeding device has the advantages that PET-PP packing belts can be automatically fed, the working efficiency is improved, displacement is avoided during welding, the welding and cutting accuracy and efficiency are remarkably improved, and therefore the packing efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic packaging, in particular to a PET-PP belt receiving and sending welding device. Background Art

[0002] Strapping tape is also known as strapping tape. The strapping tape (strapping tape) for packaging is made of polyethylene and polypropylene resin as the main raw materials, and also made of nylon and polyester as raw materials. It is made by extrusion, uniaxial stretching, and bluing. In addition to being used for sealing and strapping of corrugated boxes, strapping of hot-rolled steel coils, and strapping of cold-rolled steel coils, it is used to pack pipes in steel structure enterprises, and can also be used in fully automatic packaging and strapping, photovoltaic industry module strapping, new energy battery module strapping, etc.

[0003] The strapping tape needs to be cut during production and subsequent processes. Currently, the market mainly uses a double-roller hard extrusion positioning and cutting mechanism, which has a shortened service life and is easy to wear, causing mechanical instability and damage to strapping consumables, thereby increasing maintenance costs. In addition, existing strapping machines cannot automatically feed the tape and require manual delivery of PET-PP strapping tape, which affects packaging efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a PET-PP belt receiving and welding device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PET-PP belt receiving and welding equipment, comprising a movement floating mechanism, a receiving and sending belt mechanism and a belt cutting and welding mechanism, the movement floating mechanism comprising a bottom plate, a track, a first slider and a second slider, the track being installed along the length direction of the bottom plate, the first slider and the second slider being slidably installed on the track, the first slider being installed with a first mounting plate, the second slider being installed with a second mounting plate, the receiving and sending belt mechanism and the belt cutting and welding mechanism being both arranged at the lower end of the bottom plate, the receiving and sending belt mechanism comprising a pulley motor, a pulley, an eccentric wheel motor, an eccentric wheel and a clamping assembly, the pulley motor drives the pulley to rotate to convey the strapping belt, the eccentric wheel motor drives the eccentric wheel to rotate and thereby drives the clamping assembly to clamp the strapping belt, the belt cutting and welding mechanism comprises a cam assembly, a friction welding assembly and a belt pressing and cutting assembly, the cam assembly drives the belt pressing and cutting assembly to cut the strapping belt, and the friction welding assembly welds the cut strapping belt.

[0006] Preferably, the belt receiving and conveying mechanism further comprises a mounting box, the mounting frame is connected to the base plate, the pulley and the eccentric wheel are arranged diagonally in the mounting box, and the clamping assembly is arranged between the pulley and the eccentric wheel.

[0007] Preferably, a feed port is provided at the upper end of the installation box, and a discharge port is provided at one side of the installation box close to the belt wheel. The strapping tape enters the winding belt wheel through the feed port and is sent to the tape cutting and welding mechanism from the discharge port.

[0008] Preferably, the strip cutting and welding mechanism comprises a side mounting plate and a lower pressing plate, and the side mounting plates are mounted on both sides of the lower pressing plate.

[0009] Preferably, the cam assembly includes a camshaft and a cam motor that drives the first camshaft to rotate, the first camshaft is provided with a first cam, a second cam and a third cam, both ends of the first camshaft are mounted on a side mounting plate, one end of the first camshaft extending to the outside of the side mounting plate is provided with a driven gear, the cam motor is mounted on the side mounting plate and its driving end extends to the outside of the side mounting plate, the driving end of the cam motor is provided with a driving gear, the driving gear is meshed with a transmission gear, and the transmission gear is meshed and connected to the driven gear.

[0010] Preferably, the belt pressing and cutting assembly includes a left pressing knife, a right pressing knife and a cutting knife, and the left pressing knife and the right pressing knife each include a first rotating wheel pivotally connected to a first cam and a third cam respectively, and the first rotating wheel is mounted on a first U-shaped frame, and a spring is provided at the bottom end of the first U-shaped frame, and the first U-shaped frame is movably connected to a pressing knife mounting frame, and a pressing head is installed at the bottom end of the spring.

[0011] Preferably, the cutter includes a second rotating wheel pivotally connected to the second cam, the second rotating wheel is mounted on a second U-shaped frame, a spring is provided at the bottom end of the second U-shaped frame, a cutter mounting frame is provided at the bottom end of the second U-shaped frame, and a pressure block and a cutter head are provided at the bottom end of the cutter mounting frame.

[0012] Preferably, the left pressing knife is provided with a first spring connected to the lower pressing plate, the right pressing knife is provided with a second spring connected to the lower pressing plate, and the cutting knife is provided with a third spring connected to the lower pressing plate.

[0013] Preferably, the friction welding assembly includes a friction motor, a synchronous pulley, a synchronous shaft, a second camshaft and a welding pressure block. The synchronous pulley of the friction motor drives the synchronous shaft to rotate through a synchronous belt. The second camshaft is arranged at one end of the synchronous shaft close to the cutter, and the welding pressure block is arranged on the camshaft.

[0014] Preferably, a mixing belt path is provided on the outer side of the left pressing knife, and the mixing belt path includes an upper belt path and a lower belt path, and the belt cutting and welding mechanism also includes a release belt door opening and closing sensor and a cam zero position sensor.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the utility model can automatically feed the PET-PP packing tape by setting a belt-receiving and feeding belt mechanism, thereby replacing manual feeding and improving work efficiency; the PET-PP packing tape can be automatically welded and cut by setting a belt-cutting and welding mechanism, and the PET-PP packing tape will not move during welding, and the accuracy and efficiency of welding and cutting are significantly improved, thereby further improving the packing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a rear view structural diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the receiving and delivering belt mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the strip cutting and welding mechanism of the utility model;

[0020] Figure 5 This is the internal structure diagram of the strip cutting and welding mechanism of the utility model;

[0021] Figure 6 This is a structural diagram of the cam assembly of the utility model;

[0022] Figure 7 This is a structural diagram of the belt pressing and cutting assembly of the utility model;

[0023] Figure 8 This is a structural diagram of the friction welding assembly of the utility model.

[0024] In the figure: 1, bottom plate; 2, track; 3, first slider; 4, second slider; 5, first mounting plate; 6, second mounting plate; 7, pulley motor; 8, pulley; 9, eccentric motor; 10, eccentric; 11, mounting box; 111, lower feeding channel; 12, feed port; 13, discharge port; 14, lower pressing plate; 15, first camshaft; 16, first cam; 17, second cam; 18, third cam; 19, driven gear; 20, cam motor; 21, driving gear; 22, transmission gear; 23, left pressure knife; 24, right pressure knife; 25, Cutter; 26. First rotating wheel; 27. First U-shaped frame; 28. Cutter pressing mounting frame; 29. ​​Pressing head; 30. Second rotating wheel; 31. Second U-shaped frame; 32. Cutter mounting frame; 33. Pressing block; 34. Cutter head; 35. First spring; 36. Second spring; 37. Third spring; 38. Friction motor; 39. Synchronous pulley; 40. Synchronous shaft; 41. Second camshaft; 42. Welding pressing block; 43. Mixing belt track; 44. Upper belt track; 45. Lower belt track; 46. Release belt door opening and closing sensor; 47. Cam zero position sensor; 48. Side mounting plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions 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.

[0026] See also Figures 1 to 8 The utility model provides a technical solution: a PET-PP belt receiving and welding device, including a movement floating mechanism, a receiving and sending belt mechanism and a belt cutting and welding mechanism, the movement floating mechanism includes a bottom plate 1, a track 2, a first slider 3 and a second slider 4, the track 2 is installed along the length direction of the bottom plate 1, the first slider 3 and the second slider 4 are slidably installed on the track 2, the first slider 3 is installed with a first mounting plate 5, and the second slider 4 is installed with a second mounting plate 6, the receiving and sending belt mechanism and the belt cutting and welding mechanism are both arranged at the lower end of the bottom plate 1, the receiving and sending belt mechanism includes a pulley motor 7, a pulley 8, an eccentric wheel motor 9, an eccentric wheel 10 and a clamping assembly, the pulley motor 7 drives the pulley 8 to rotate to convey the strapping belt, the eccentric wheel motor 9 drives the eccentric wheel 10 to rotate and then drives the clamping assembly to clamp the strapping belt, the belt cutting and welding mechanism includes a cam assembly, a friction welding assembly and a belt pressing and cutting assembly, the cam assembly drives the belt pressing and cutting assembly to cut the strapping belt, and the friction welding assembly welds the cut strapping belt.

[0027] Specifically, the belt receiving and sending mechanism also includes an installation box 11, the installation frame is connected to the bottom plate 1, the pulley 8 and the eccentric wheel 10 are arranged diagonally in the installation box 11, and the clamping assembly is arranged between the pulley 8 and the eccentric wheel 10. Further, a feed port 12 is arranged at the upper end of the installation box 11, and a discharge port 13 is arranged on one side of the installation box 11 close to the pulley 8. After the strapping tape enters the winding pulley 8 through the feed port 12, it is sent to the tape cutting and welding mechanism from the discharge port 13. A lower feeding channel 111 is arranged at the lower end of the installation box 11, and the outlet of the lower feeding channel 111 leads to the tape cutting and welding mechanism. The clamping assembly adopts a commonly used spring structure, and a circular arc is arranged at one end close to the pulley 8, which can fit the pulley 8.

[0028] Specifically, the strip cutting and welding mechanism includes a side mounting plate 48 and a lower pressing plate 14 , and the side mounting plate 48 is mounted on both sides of the lower pressing plate 14 .

[0029] Specifically, the cam assembly includes a first camshaft 15 and a cam motor 20 for driving the first camshaft 15 to rotate. The first camshaft 15 is provided with a first cam 16, a second cam 17 and a third cam 18. Both ends of the first camshaft 15 are mounted on a side mounting plate 48. One end of the first camshaft 15 extending to the outside of the side mounting plate 48 is provided with a driven gear 19. The cam motor 20 is mounted on the side mounting plate 48 and its driving end extends to the outside of the side mounting plate 48. The driving end of the cam motor 20 is provided with a driving gear 21. The driving gear 21 is meshed with a transmission gear 22. The transmission gear 22 is meshed and connected to the driven gear 19. The protrusion directions of the first cam 16, the second cam 17 and the third cam 18 are staggered.

[0030] Specifically, the belt pressing cutting assembly includes a left pressing knife 23, a right pressing knife 24 and a cutting knife 25. The left pressing knife 23 and the right pressing knife 24 each include a first rotating wheel 26 pivotally connected to the first cam 16 and the third cam 18 respectively. The first rotating wheel 26 is mounted on a first U-shaped frame 27. A spring is provided at the bottom end of the first U-shaped frame 27. The first U-shaped frame 27 is movably connected to a pressing knife mounting frame 28. A pressing head 29 is installed at the bottom end of the spring.

[0031] Specifically, the cutter 25 includes a second rotating wheel 30 pivotally connected to the second cam 17, the second rotating wheel 30 is installed on a second U-shaped frame 31, a spring is provided at the bottom end of the second U-shaped frame 31, a cutter mounting frame 32 is provided at the bottom end of the second U-shaped frame 31, and a pressure block 33 and a cutter head 34 are provided at the bottom end of the cutter mounting frame 32.

[0032] Specifically, the left pressing knife 23 is provided with a first spring 35 connected to the lower pressing plate 14 , the right pressing knife 24 is provided with a second spring 36 connected to the lower pressing plate 14 , and the cutting knife 25 is provided with a third spring 37 connected to the lower pressing plate 14 .

[0033] Specifically, the friction welding assembly includes a friction motor 38, a synchronous pulley 39, a synchronous shaft 40, a second camshaft 41 and a welding pressure block 42. The synchronous pulley 39 of the friction motor 38 drives the synchronous shaft 40 to rotate through a synchronous belt. The second camshaft 41 is arranged at one end of the synchronous shaft 40 close to the cutter 25, and the welding pressure block 42 is arranged on the second camshaft 41.

[0034] Specifically, a mixing belt path 43 is provided on the outer side of the left pressing knife 23 , and the mixing belt path 43 includes an upper belt path 44 and a lower belt path 45 . The belt cutting and welding mechanism also includes a belt release door opening and closing sensor 46 and a cam zero position sensor 47 .

[0035] The working principle of the utility model is as follows: the PET-PP belt enters from the feeding port 12 of the belt receiving and conveying mechanism, is driven by the pulley 8 to rotate, and is sent to the belt cutting and welding mechanism through the discharging port 13, and enters the belt pressing and cutting assembly through the upper belt path 44 of the mixing belt path 43, and the PET-PP belt is drawn out from the belt pressing and cutting assembly, and enters from the lower feeding channel 111 around the city circle, and then enters the belt pressing and cutting assembly from the lower belt path 45 of the mixing belt path 43, and the left pressing knife 23 and the right pressing knife 24 press the PET-PP belt tightly, so that the belt head and the belt body of the PET-PP are driven by the second camshaft 41 of the friction welding assembly to drive the welding pressing block 42 through high-speed friction welding, and then the cutter 25 of the belt pressing and cutting assembly cuts off the upper layer of the PET-PP belt, and the cut PET-PP belt forms a circle and is tied to the goods.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PET-PP belt receiving and welding device, characterized in that: The invention comprises a movement floating mechanism, a belt receiving and conveying mechanism and a belt cutting and welding mechanism. The movement floating mechanism comprises a base plate (1), a track (2), a first slider (3) and a second slider (4). The track (2) is installed along the length direction of the base plate (1). The first slider (3) and the second slider (4) are slidably installed on the track (2). The first slider (3) is installed with a first mounting plate (5), and the second slider (4) is installed with a second mounting plate (6). The belt receiving and conveying mechanism and the belt cutting and welding mechanism are both arranged under the base plate (1). The belt receiving and conveying mechanism comprises a pulley motor (7), a pulley (8), an eccentric wheel motor (9), an eccentric wheel (10) and a pressing assembly. The pulley motor (7) drives the pulley (8) to rotate to convey the strapping belt. The eccentric wheel motor (9) drives the eccentric wheel (10) to rotate, thereby driving the pressing assembly to press the strapping belt. The strap cutting and welding mechanism comprises a cam assembly, a friction welding assembly and a strap pressing and cutting assembly. The cam assembly drives the strap pressing and cutting assembly to cut the strapping belt. The friction welding assembly welds the cut strapping belt.

2. A PET-PP tape receiving and welding device according to claim 1, characterized in that: The belt receiving and conveying mechanism further comprises a mounting box (11), wherein the mounting box (11) is connected to the base plate (1), the belt pulley (8) and the eccentric wheel (10) are arranged diagonally in the mounting box (11), and the clamping assembly is arranged between the belt pulley (8) and the eccentric wheel (10).

3. A PET-PP tape receiving and welding device according to claim 2, characterized in that: The upper end of the installation box (11) is provided with a feed port (12), and a side edge of the installation box (11) close to the belt wheel (8) is provided with a discharge port (13). The strapping tape enters the winding belt wheel (8) through the feed port (12) and is then sent to the tape cutting and welding mechanism through the discharge port (13).

4. A PET-PP tape receiving and welding device according to claim 2, characterized in that: The strip cutting and welding mechanism comprises a side mounting plate (48) and a lower pressing plate (14), wherein the side mounting plate (48) is mounted on both sides of the lower pressing plate (14).

5. A PET-PP tape receiving and welding device according to claim 4, characterized in that: The cam assembly comprises a first camshaft (15) and a cam motor (20) for driving the first camshaft (15) to rotate; the first camshaft (15) is provided with a first cam (16), a second cam (17) and a third cam (18); both ends of the first camshaft (15) are mounted on a side mounting plate (48); one end of the first camshaft (15) extending to the outside of the side mounting plate (48) is provided with a driven gear (19); the cam motor (20) is mounted on the side mounting plate (48) and its driving end extends to the outside of the side mounting plate (48); the driving end of the cam motor (20) is provided with a driving gear (21); the driving gear (21) is meshed with a transmission gear (22); and the transmission gear (22) is meshed and connected with the driven gear (19).

6. A PET-PP tape receiving and welding device according to claim 5, characterized in that: The belt pressing and cutting assembly comprises a left pressing knife (23), a right pressing knife (24) and a cutting knife (25). The left pressing knife (23) and the right pressing knife (24) both comprise a first rotating wheel (26) pivotally connected to a first cam (16) and a third cam (18) respectively. The first rotating wheel (26) is mounted on a first U-shaped frame (27). A spring is provided at the bottom end of the first U-shaped frame (27). The first U-shaped frame (27) is movably connected to a pressing knife mounting frame (28). A pressing head (29) is installed at the bottom end of the spring.

7. A PET-PP tape receiving, sending and welding device according to claim 6, characterized in that: The cutter (25) comprises a second rotating wheel (30) pivotally connected to the second cam (17); the second rotating wheel (30) is mounted on a second U-shaped frame (31); a spring is provided at the bottom end of the second U-shaped frame (31); a cutter mounting frame (32) is provided at the bottom end of the second U-shaped frame (31); a pressure block (33) and a cutter head (34) are provided at the bottom end of the cutter mounting frame (32).

8. A PET-PP tape receiving, sending and welding device according to claim 7, characterized in that: The left pressing knife (23) is provided with a first spring (35) connected to the lower pressing plate (14), the right pressing knife (24) is provided with a second spring (36) connected to the lower pressing plate (14), and the cutting knife (25) is provided with a third spring (37) connected to the lower pressing plate (14).

9. A PET-PP tape receiving, sending and welding device according to claim 8, characterized in that: The friction welding assembly comprises a friction motor (38), a synchronous pulley (39), a synchronous shaft (40), a second camshaft (41) and a welding pressure block (42); the synchronous pulley (39) of the friction motor (38) drives the synchronous shaft (40) to rotate via a synchronous belt; the second camshaft (41) is arranged at one end of the synchronous shaft (40) close to the cutter (25); and the welding pressure block (42) is arranged on the second camshaft (41).

10. A PET-PP tape receiving, sending and welding device according to claim 9, characterized in that: A mixing belt path (43) is provided on the outer side of the left pressure knife (23), and the mixing belt path (43) includes an upper belt path (44) and a lower belt path (45). The belt cutting and welding mechanism also includes a release belt door opening and closing sensor (46) and a cam zero position sensor (47).

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