Multi-station plastic packaging bag cutting device

Abstract

The application relates to the technical field of plastic packaging, and discloses a multi-station plastic packaging bag cutting device, which comprises a base and a plurality of workbenches, the upper end of the base is fixedly connected with a conveying frame, the conveying frame comprises a spiral-shaped bending plate, the outer side of the conveying frame is wrapped with a cutting frame, the cutting frame comprises a frame that bends along with the bending plate, the middle part of the frame is provided with a plurality of work windows and a plurality of conveying shafts. The four workbenches are equidistantly arranged along the arc of the spiral-shaped conveying frame and the cutting frame. The edges of the plastic bags are clamped and conveyed by the frame of the work window during the conveying process of the plastic bags through the conveying shafts and the work windows, the stability of the plastic bags during the cutting process is ensured, the first cutting device and the second cutting device are used to cut different patterns on the plastic bags during the conveying process, the different patterns are cut on the plastic bags, and the processing efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plastic packaging, in particular to a multi-station plastic packaging bag cutting equipment. BACKGROUND

[0002] When cutting the plastic packaging bag, the longitudinal cutting and the transverse cutting are carried out separately, for example, the transverse cutting is carried out first, and the plastic packaging bag after cutting is subjected to longitudinal cutting, which is very troublesome and affects the production efficiency, and the separately cut plastic bags are directly stacked together after being cut into individual plastic bags, at this time, since the plastic bags are relatively fluffy, the plastic bags occupy a large volume, and during the process of taking out the plastic bags after cutting, if there is external wind force, it is very easy to cause the plastic bags to fall off.

[0003] The plastic packaging bag needs to be cut twice, and the laser plastic packaging bag cutting equipment on the market is difficult to multi-station clamp the plastic packaging bag raw material, since the plastic bag itself has high toughness, the plastic bag surface is easily deformed due to insufficient traction during cutting, the plastic packaging bag is warped or not clamped enough during laser cutting, the plastic packaging bag station clamping is limited, thereby causing the plastic bag not to be completely cut or the cutting position to deviate, etc. Risk, which seriously affects the processing quality and production efficiency of the plastic bag.

[0004] Therefore, we improve it and propose a multi-station plastic packaging bag cutting equipment. SUMMARY

[0005] The technical problem to be solved by the present application is that the plastic packaging bag cutting is carried out separately, the individual plastic bags are stacked, which occupies a large area, and during the process of taking out the plastic bags after cutting, if there is external wind force, it is very easy to cause the plastic bags to fall off, the plastic packaging bag needs to be cut twice, and the plastic packaging bag needs to be cut twice. Multi-station traction clamping, which is easy to cause the plastic bag not to be completely cut or the cutting position to deviate, etc. Risk, which seriously affects the processing quality and production efficiency of the plastic bag.

[0006] In order to achieve the above-mentioned purpose of the application, the multi-station plastic packaging bag cutting equipment is provided, which comprises a base and a plurality of workbenches, the upper end of the base is fixedly connected with a conveying frame, the conveying frame comprises a spiral-shaped bending plate, the outer side of the conveying frame is wrapped with a cutting frame, the cutting frame comprises a frame that bends with the bending plate, the middle part of the frame is provided with a plurality of work windows and a plurality of conveying shafts, the inside of the work window is provided with a rotating shaft on both sides, the center of the conveying frame is provided with a winding mechanism, the winding mechanism comprises a top plate and a bottom plate, the bottom of the top plate is fixedly provided with a winding shaft, the bottom of the winding shaft is movably installed on the bottom plate, the bottom of the bottom plate is provided with a motor, the output end of the motor is engagedly connected with the bottom of the winding shaft, the lower part of the winding mechanism is provided with a positioning mechanism, and the positioning mechanism is fixedly installed in the inside of the base.

[0007] The upper end of each of the plurality of workbenches is randomly provided with a first cutting device and a second cutting device.

[0008] The front and rear sides of the base are provided with notches, and the diameter of the front-side notch is greater than that of the winding mechanism, and the side wall of the base is provided with a heat dissipation hole.

[0009] The first cutting device comprises an L-shaped first support frame, the bottom of the first support frame is installed on the workbench, the vertical plate of the first support frame is fixed on the work window, the horizontal plate of the first support frame is slidably provided with a first punching frame, the middle part of the first punching frame is vertically upwardly provided with a first telescopic rod, the top end of the first telescopic rod is hingedly connected with a first knife holder, and the middle part of the first knife holder is clampedly provided with a first cutting knife.

[0010] The second cutting device comprises an L-shaped second support frame, the bottom of the second support frame is installed on the workbench, the vertical plate of the second support frame is fixed on the work window, the horizontal plate of the second support frame is slidably provided with a second punching frame, the middle part of the second punching frame is vertically upwardly provided with a second telescopic rod, the top end of the second telescopic rod is hingedly connected with a second knife holder, the middle part of the second knife holder is clampedly provided with a second cutting knife, and the second cutting knife is a square frame-shaped knife body.

[0011] The inner side of the bending plate is provided with a first steering shaft at one end, and the outer side of the bending plate is provided with a second steering shaft at one end.

[0012] The bottom of the winding shaft is provided with a regular hexagonal connecting column, the bottom of the connecting column is provided with a gear, and the output shaft of the motor is provided with a driving gear that is engaged with the gear.

[0013] The bottom plate comprises a disc, the upper end surface of the disc is provided with a groove, the middle part of the groove is provided with a insertion hole, the middle part of the disc is provided with a regular hexagonal connecting groove, and the connecting groove is sleeved with the connecting column.

[0014] Wherein, the bottom of the bottom plate is provided with a hydraulic push rod, the top end of the hydraulic push rod is provided with a supporting plate, the bottom surface of the disc is provided with a rotating cabinet, and the two sides of the supporting plate are rotatably installed on the rotating cabinet.

[0015] Wherein, the positioning mechanism comprises an insertion plate, the upper end of the insertion plate is provided with a sharp corner, the upper end of the insertion plate is hingedly provided with two supporting plates, and the width of the supporting plates is matched with the sleeve of the insertion hole.

[0016] The multi-station plastic packaging bag cutting device has the following beneficial effects:

[0017] 1. The four workbenches are arranged equidistantly along the arc of the conveying frame and the cutting frame, and the four workbenches are arranged around the device. The plastic bag is clamped and conveyed by the frame of the work window during the conveying process through the conveying shaft and the work window, so that the stability of the plastic bag during cutting is ensured, and the first cutting device and the second cutting device are used to cut different patterns on the plastic bag during the conveying process, so as to improve the appearance of the plastic bag and the processing efficiency of the device. Finally, the device is continuously processed by the winding mechanism.

[0018] 2. The winding mechanism is installed in the middle of the conveying frame, the top plate and the bottom plate are connected by the winding shaft, the motor drives the top plate and the winding shaft to rotate and wind, and after winding, the bottom plate is pressed down by the hydraulic push rod to separate from the winding shaft and the top plate. The wound plastic bag roll is sent into the inside of the base with the bottom plate, and is discharged from the base, which is convenient for the practicality of the device.

[0019] 3. The first cutting device and the second cutting device are respectively installed on the plurality of work windows, different shaped cutters are arranged on the first cutting device and the second cutting device, different patterns are punched and cut on the plastic bag, the processing efficiency of the device is improved, the plastic bag is supported by the bent plate, the plastic bag is kept in a tensioned state during cutting, the plastic bag is continuously processed, and manual replacement of the packaging bag on different cutting edges is not required. Different edge cutting is completed, and the situation of the plastic bag being fluffy and falling after cutting is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 A structure schematic view of a multi-station plastic packaging bag cutting equipment provided by the present application is provided;

[0022] Figure 2 A partial structure schematic view of a multi-station plastic packaging bag cutting equipment provided by the present application is provided;

[0023] Figure 3 A conveying frame structure schematic view of a multi-station plastic packaging bag cutting equipment provided by the present application is provided;

[0024] Figure 4 A cutting frame structure schematic view of a multi-station plastic packaging bag cutting equipment provided by the present application is provided;

[0025] Figure 5 A winding mechanism structure schematic view of a multi-station plastic packaging bag cutting equipment provided by the present application is provided;

[0026] Figure 6 A positioning mechanism structure schematic view of a multi-station plastic packaging bag cutting equipment provided by the present application is provided;

[0027] Figure 7 A bottom plate structure schematic view of a multi-station plastic packaging bag cutting equipment provided by the present application is provided;

[0028] Figure 8 A Figure 5 enlarged schematic view is provided;

[0029] Figure 9 A first cutting equipment structure schematic view of a multi-station plastic packaging bag cutting equipment provided by the present application is provided;

[0030] Figure 10 A second cutting equipment structure schematic view of a multi-station plastic packaging bag cutting equipment provided by the present application is provided.

[0031] In the diagram: 1. Base; 2. Workbench; 3. First cutting device; 31. First support frame; 32. First stamping frame; 33. First telescopic rod; 34. First tool holder; 35. First cutting blade; 4. Second cutting device; 41. Second support frame; 42. Second stamping frame; 43. Second telescopic rod; 44. Second tool holder; 45. Second cutting blade; 5. Conveyor frame; 51. Bending plate; 52. First steering shaft; 53. Second steering shaft 6. Cutting frame; 61. Frame; 62. Working window; 63. Conveyor shaft; 64. Rotating shaft; 7. Rewinding mechanism; 71. Top plate; 72. Rewinding shaft; 73. Connecting column; 74. Gear; 75. Base plate; 751. Disc; 752. Insertion hole; 753. Groove; 754. Connecting groove; 755. Rotating cabinet; 76. Hydraulic push rod; 77. Support plate; 78. Motor; 8. Positioning mechanism; 81. Insertion plate; 82. Support plate. Detailed Implementation

[0032] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.

[0033] like Figures 1-10 As shown, this embodiment proposes a multi-station plastic packaging bag cutting device, including a base 1 and several worktables 2. A conveyor frame 5 is fixedly connected to the upper end of the base 1. The conveyor frame 5 includes a spiral-shaped curved plate 51. A cutting frame 6 is wrapped around the outside of the conveyor frame 5. The cutting frame 6 includes a frame 61 that bends with the curved plate 51. Several working windows 62 and several conveyor shafts 63 are provided in the middle of the frame 61. Rotating shafts 64 are provided on both sides inside the working windows 62. A winding mechanism 7 is installed in the center of the conveyor frame 5. The winding mechanism 7 includes a top plate 71 and a bottom plate 75. A winding shaft 72 is fixedly installed at the bottom of the top plate 71. The bottom of the winding shaft 72 is movably installed on the bottom plate 75. A motor 78 is installed at the bottom of the bottom plate 75. The output end of the motor 78 is meshed with the bottom of the winding shaft 72. A positioning mechanism 8 is installed below the winding mechanism 7. The positioning mechanism 8 is fixedly installed inside the base 1.

[0034] Several workbenches 2 are randomly equipped with a first cutting device 3 and a second cutting device 4.

[0035] The base 1 has notches on both the front and rear sides, and the diameter of the front notch is larger than the diameter of the winding mechanism 7. The side wall of the base 1 has heat dissipation holes. The base 1 is installed below the winding mechanism 7 to provide bottom support for the conveyor frame 5, the cutting frame 6 and the winding mechanism 7. The depth of the base 1 is adapted to the height of the winding mechanism 7, so that the plastic bag wound on the winding mechanism 7 enters the interior of the base 1 and is unloaded through the base 1, which facilitates the processing of the device.

[0036] The first cutting device 3 comprises a first support frame 31 in L shape, the bottom of the first support frame 31 is mounted on the workbench 2, the vertical plate of the first support frame 31 is fixed on the work window 62, the horizontal plate of the first support frame 31 is slidably mounted with a first punching frame 32, the middle part of the first punching frame 32 is vertically upwardly mounted with a first telescopic rod 33, the top end of the first telescopic rod 33 is hingedly connected with a first knife holder 34, the middle part of the first knife holder 34 is clamped and mounted with a first cutting knife 35, the bottom of the first punching frame 32 is mounted with a punching mechanism, so that the first punching frame 32 is punched along the bottom horizontal rod of the first support frame 31, and the first cutting knife 35 is driven to cut towards the plastic bag, thereby completing the cutting of the plastic bag.

[0037] The second cutting device 4 comprises a second support frame 41 in L shape, the bottom of the second support frame 41 is mounted on the workbench 2, the vertical plate of the second support frame 41 is fixed on the work window 62, the horizontal plate of the second support frame 41 is slidably mounted with a second punching frame 42, the middle part of the second punching frame 42 is vertically upwardly mounted with a second telescopic rod 43, the top end of the second telescopic rod 43 is hingedly connected with a second knife holder 44, the middle part of the second knife holder 44 is clamped and mounted with a second cutting knife 45, the second cutting knife 45 is in the shape of a square frame, which is convenient for cutting the handle position of the plastic bag.

[0038] The inner side of the bending plate 51 is mounted with a first steering shaft 52, the outer side of the bending plate 51 is mounted with a second steering shaft 53, the first steering shaft 52 and the second steering shaft 53 guide the plastic bag on the bending plate 51.

[0039] The bottom of the winding shaft 72 is mounted with a connecting column 73 in regular hexagonal shape, the bottom of the connecting column 73 is mounted with a gear 74, the output shaft of the motor 78 is mounted with a driving gear meshing with the gear 74, the motor 78 is fixedly connected to the supporting plate 77, the gear 74 is meshed with the driving gear of the output end of the motor 78, thereby driving the top plate 71 and the bottom plate 75 to synchronously rotate, thereby completing the winding, when the bottom plate 75 and the motor 78 face the hydraulic push rod 76 to dive, the bottom plate 75 is separated from the top plate 71, thereby facilitating the discharging of the wound plastic bag.

[0040] The bottom plate 75 comprises a disc 751, the upper end surface of the disc 751 is provided with a groove 753, the middle part of the groove 753 is provided with a insertion hole 752, the middle part of the disc 751 is provided with a connecting groove 754 in regular hexagonal shape, the connecting groove 754 is sleeved with the connecting column 73, the connecting groove 754 is sleeved with the connecting column 73, thereby completing the connection between the winding shaft 72 and the bottom plate 75.

[0041] The bottom plate 75 is provided below with a hydraulic push rod 76, the top end of the hydraulic push rod 76 is mounted with a supporting plate 77, the bottom surface of the disc 751 is mounted with a rotating cabinet 755, the two sides of the supporting plate 77 are rotatably mounted on the rotating cabinet 755.

[0042] The positioning mechanism 8 comprises an insertion plate 81, the upper end of the insertion plate 81 is provided with a sharp corner, the upper end of the insertion plate 81 is hinged with two support plates 82, the width of the support plate 82 is matched with the sleeve of the insertion hole 752, the insertion hole 752 and the groove 753 are matched with the positioning mechanism 8, when the support plate 82 penetrates into the inside of the bottom plate 75, the edge of the plastic bag on the bottom plate 75 is clamped, so that the plastic bag is prevented from being loose after being rolled up, and when the bottom plate 75 is completely sunk into the bottom, the support plate 82 is turned outward along the hinge, so that the support plate 82 is embedded into the inside of the groove 753, and the plastic bag on the bottom plate 75 is conveniently discharged.

[0043] Specifically, when the multi-station plastic packaging bag cutting equipment is used, the spiral conveying frame 5 and the cutting frame 6 are arranged, four workbenches are arranged along the arcs of the conveying frame 5 and the cutting frame 6, the packaging bag enters the middle of the conveying frame 5 and the cutting frame 6 along the outer wall of the bending plate 51, the conveying shaft 63 and the work window 62 convey, the frame 61 clamps and conveys the edge of the plastic bag, the stability of the plastic bag in the cutting process is ensured, the first cutting equipment 3 and the second cutting equipment 4 on the four workbenches cut different patterns on the plastic packaging bag, finally the plastic bag is conveyed to the rolling mechanism 7 along the bending plate 51 and the first turning shaft 52, and is rolled by the rolling mechanism 7; the top plate 71 and the bottom plate 75 are connected by the rolling shaft 72, so that the motor 78 drives the top plate 71 and the rolling shaft 72 to rotate and roll, and after rolling, the bottom plate 75 is separated from the rolling shaft 72 and the top plate 71 by the hydraulic push rod 76, the rolled plastic bag roll is sent into the inside of the base 1 along with the bottom plate 75, and is discharged by the base 1, so as to facilitate the practicality of the device; when the bottom plate 75 and the motor 78 are submerged towards the hydraulic push rod 76, the bottom plate 75 is separated from the top plate 71, at the same time, when the support plate 82 penetrates into the inside of the bottom plate 75, the edge of the plastic bag on the bottom plate 75 is clamped, so that the plastic bag is prevented from being loose after being rolled up, and when the bottom plate 75 is completely sunk into the bottom, the support plate 82 is turned outward along the hinge, so that the support plate 82 is embedded into the inside of the groove 753, and the plastic bag on the bottom plate 75 is conveniently discharged.

[0044] The above embodiments are only used for describing the present application, but not limiting the present application. Although the present application is described in detail with reference to the embodiments, those skilled in the art should understand that various combinations, modifications or equivalent replacements of the technical solutions of the present application do not deviate from the spirit and scope of the present application, and should be covered in the scope of claims of the present application.

Claims

1. A multi-station plastic packaging bag cutting device, comprising a base (1) and several worktables (2), characterized in that: A conveyor frame (5) is fixedly connected to the upper end of the base (1). The conveyor frame (5) includes a spiral-shaped curved plate (51). A cutting frame (6) is wrapped around the outside of the conveyor frame (5). The cutting frame (6) includes a frame (61) that bends with the curved plate (51). Several working windows (62) and several conveyor shafts (63) are provided in the middle of the frame (61). Rotating shafts (64) are provided on both sides inside the working windows (62). A winding mechanism (7) is installed in the center of the conveyor frame (5). The winding mechanism (7) includes a top plate (71) and a bottom plate (75). A winding shaft (72) is fixedly installed at the bottom of the top plate (71). The bottom of the winding shaft (72) is movably installed on the bottom plate (75). A motor (78) is installed at the bottom of the bottom plate (75). The output end is engaged with the bottom of the take-up shaft (72), and a positioning mechanism (8) is installed below the take-up mechanism (7). The positioning mechanism (8) is fixedly installed inside the base (1). A first cutting device (3) and a second cutting device (4) are randomly installed on the upper end of several of the workbenches (2).

2. The multi-station plastic packaging bag cutting equipment according to claim 1, characterized in that: The base (1) has notches on both the front and rear sides, and the diameter of the front notch is greater than the diameter of the winding mechanism (7). The base (1) has heat dissipation holes on its side wall.

3. The multi-station plastic packaging bag cutting equipment according to claim 1, characterized in that: The first cutting device (3) includes an L-shaped first support frame (31), the bottom of the first support frame (31) is mounted on the workbench (2), the vertical plate of the first support frame (31) is fixed on the work window (62), the first stamping frame (32) is slidably mounted on the horizontal plate of the first support frame (31), the first telescopic rod (33) is vertically mounted in the middle of the first stamping frame (32), the top of the first telescopic rod (33) is hinged to the first knife holder (34), and the first cutting knife (35) is clamped and mounted in the middle of the first knife holder (34).

4. The multi-station plastic packaging bag cutting equipment according to claim 1, characterized in that: The second cutting device (4) includes an L-shaped second support frame (41). The bottom of the second support frame (41) is mounted on the workbench (2). The vertical plate of the second support frame (41) is fixed on the work window (62). A second stamping frame (42) is slidably mounted on the horizontal plate of the second support frame (41). A second telescopic rod (43) is vertically mounted in the middle of the second stamping frame (42). A second knife holder (44) is hinged to the top of the second telescopic rod (43). A second cutting knife (45) is clamped in the middle of the second knife holder (44). The second cutting knife (45) is a square-shaped knife body.

5. The multi-station plastic packaging bag cutting equipment according to claim 1, characterized in that: A first steering shaft (52) is installed on the inner end of the bent plate (51), and a second steering shaft (53) is installed on the outer end of the bent plate (51).

6. The multi-station plastic packaging bag cutting equipment according to claim 1, characterized in that: The bottom of the take-up shaft (72) is equipped with a regular hexagonal connecting post (73), the bottom of the connecting post (73) is equipped with a gear (74), and the output shaft of the motor (78) is equipped with a drive gear that meshes with the gear (74).

7. The multi-station plastic packaging bag cutting equipment according to claim 6, characterized in that: The base plate (75) includes a disc (751), the upper end surface of the disc (751) is provided with a groove (753), the middle part of the groove (753) is provided with an insertion hole (752), the middle part of the disc (751) is provided with a regular hexagonal connecting groove (754), and the connecting groove (754) is sleeved with the connecting post (73).

8. The multi-station plastic packaging bag cutting equipment according to claim 7, characterized in that: A hydraulic push rod (76) is provided below the base plate (75), a support plate (77) is installed at the top of the hydraulic push rod (76), a rotating cabinet (755) is installed on the bottom surface of the disc (751), and the two sides of the support plate (77) are rotatably installed on the rotating cabinet (755).

9. A multi-station plastic packaging bag cutting device according to claim 7, characterized in that: The positioning mechanism (8) includes a plug plate (81), the upper end of which is provided with a sharp corner, and two support plates (82) are hinged to the upper end of the plug plate (81). The width of the support plate (82) is fitted into the plug hole (752).

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