A cutting knife mechanism and carton machine

Abstract

The utility model relates to a kind of cutting knife mechanism and carton machine, the cutting knife mechanism includes blade, and the first driving part for driving the blade moves along transverse, the second driving part for driving the blade lifting and the power driving part of driving blade rotation;The first driving part includes first transmission assembly and first support component;The first support component includes sliding support seat, double-sliding-block structure is provided on the sliding support seat, can move along transverse, and the sliding plane of double-sliding-block is mutually perpendicular arrangement, the utility model improves motion stability, prolongs product life.

Description

Technical Field

[0001] This utility model relates to carton processing machinery, and in particular to a cutting knife mechanism on a carton processing machine. Background Technology

[0002] The cutting blade mechanism currently used in carton forming machines has significant strength deficiencies. During operation, it is prone to wobbling perpendicular to the cutting direction, which damages various components and fails to meet the requirements for cutting heavy cardboard. The cutting blade is an essential component of a carton forming machine, primarily functioning to cut the cardboard or, through cylinder action, complete the required cut perpendicular to the paper feed direction. In existing technology, Chinese patent CN220219863U describes a cutting blade mechanism in its first drive unit that has significant strength deficiencies. The scheme using a single three-axis cylinder to drive the blade lifting lacks support or guidance in the direction perpendicular to the cylinder, easily causing wobbling in this direction. This damages various components, reduces service life, and fails to meet the requirements for cutting heavy cardboard. Utility Model Content

[0003] The present invention aims to optimize and improve the drive section of the existing cutting knife mechanism to meet the strength requirements.

[0004] The technical solution of this utility model is as follows: a cutting knife mechanism includes a blade, and a mechanism for driving the blade along...

[0005] The device comprises a first drive unit for lateral movement, a second drive unit for driving the blade to rise and fall, and a power drive unit for driving the blade to rotate; characterized in that:

[0006] The first drive unit includes a first transmission assembly and a first support assembly;

[0007] The first support assembly includes a sliding support base, on which a double slider structure is provided, which can move laterally, and the sliding planes of the double sliders are perpendicular to each other;

[0008] The first transmission component includes a timing belt, a drive gear, and a rack. The timing belt drives the sliding support to move laterally, thereby causing the drive gear to rotate on the rack. The drive gear is the power source for the power drive unit.

[0009] The second drive unit includes a second transmission assembly and a second support assembly;

[0010] The second support assembly includes a blade support seat, which is connected to a sliding support seat via a guide rail slider structure, and the blade support seat can move vertically.

[0011] The second transmission assembly includes a power drive source connected to the blade support seat to drive the blade support seat to move vertically.

[0012] The power drive unit includes a parallel gear coaxially driven with the drive gear, a driven gear, and a rack extending laterally. The drive gear rotates along the rack, thereby driving the parallel gear to rotate synchronously. The parallel gear drives the blade to rotate and cut through the driven gear.

[0013] Furthermore, the second transmission assembly also includes a swing unit, which includes a first swing arm, a second swing arm, and a first transmission gear and a second transmission gear meshing with each other.

[0014] The first transmission gear also meshes with the parallel gear, and the second transmission gear also meshes with the driven gear; the first end of the first swing arm is rotatably connected to the gear shaft of the first transmission gear, and the axis of rotation is coaxial with the gear shaft of the first transmission gear; the second end of the first swing arm and the first end of the second swing arm are both rotatably connected to the gear shaft of the second transmission gear, and the axis of rotation is coaxial with the gear shaft of the second transmission gear; the second end of the second swing arm is rotatably connected to the gear shaft of the driven gear, and the axis of rotation is coaxial with the gear shaft of the driven gear.

[0015] Furthermore: the sliding support includes a vertical plate and a horizontal plate, which are connected together to form an L-shape.

[0016] Both the vertical plate and the horizontal plate are equipped with sliders, which are slidably connected to the slide rails on the horizontal beam.

[0017] The driving gear and the parallel gear are coaxially arranged and respectively located on both sides of the vertical plate. They can rotate synchronously relative to the vertical plate via gear shafts.

[0018] The first transmission gear is rotatably mounted on the vertical plate.

[0019] Vertically extending slide rails are provided on both sides of the vertical plate.

[0020] Furthermore: the blade support includes a second vertical plate, a connecting plate, and a third vertical plate; the second and third vertical plates are arranged parallel to the first vertical plate;

[0021] Viewed in the vertical direction, the projection of vertical plate 2 is located outside of vertical plate 1, and the projection of vertical plate 3 is located inside vertical plate 1. Vertical plate 2 and vertical plate 3 are connected together by the connecting plate at the bottom.

[0022] The two inner sides of the second vertical plate are provided with sliders, which are slidably connected to the slide rails on the first vertical plate.

[0023] The driven gear is rotatably mounted on the second vertical plate.

[0024] Furthermore, the power drive source of the second transmission component is a first drive cylinder. The first drive cylinder includes a cylinder body and a piston rod that can reciprocate along the cylinder body. The upper part of the cylinder body is connected to the lower part of the horizontal plate one of the sliding support seat. The piston rod is connected to the vertical plate three of the blade support seat through the horizontal plate two. Thus, the up and down movement of the piston rod drives the blade support seat to reciprocate up and down.

[0025] Furthermore, the sliding support base is provided with timing belt connecting blocks at both ends for fixed connection with the timing belt.

[0026] This utility model also provides a carton machine, which includes the aforementioned cutting knife mechanism. The carton machine also includes a crossbeam, which is provided with a double slide rail extending laterally. The sliding support seat is provided with a double slider that slides in cooperation with the aforementioned double slide rail.

[0027] Furthermore, the carton machine also includes a paper output unit, which includes multiple rollers distributed laterally, and the paper output unit is disposed on the crossbeam.

[0028] Furthermore: the first drive unit includes a motor, which drives the synchronous belt of the first transmission assembly to rotate. The synchronous belt drives the sliding support to slide through the synchronous belt connecting block, thereby driving the first drive gear to mesh and rotate with the rack.

[0029] Furthermore, the carton machine also includes a pressing tongue unit and a gluing unit. The pressing tongue unit is located on one side of the horizontal plate of the sliding support. The pressing tongue unit includes a pressing tongue and a second drive cylinder. The second drive cylinder is used to drive the pressing tongue to rise and fall. The gluing unit is located on the other side of the blade in the transverse direction.

[0030] This invention meets existing strength requirements. It prevents wobbling during processing, avoiding damage to the various components of the mechanism and extending its service life. Attached Figure Description

[0031] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0032] Figure 2 This is a front view of the present utility model.

[0033] Figure 3 This is a partial schematic diagram of the present invention installed behind a carton machine.

[0034] Figure 4 This is a schematic diagram of the transmission structure of this utility model.

[0035] Component Description:

[0036] Figure 1 :

[0037] 41. Slider 1

[0038] 42. Vertical board one

[0039] 43. (Guide rail) Slider 2

[0040] 44. Vertical Board Two

[0041] 45. Slider

[0042] 46. ​​Synchronous belt connector 1

[0043] 47. Horizontal board one

[0044] 48. Connecting plate

[0045] 49. Vertical board three

[0046] 50. Horizontal Plate Two

[0047] 51. First drive cylinder

[0048] 52. Pressure roller seat

[0049] 53. Second drive cylinder

[0050] 54. Synchronous belt connector 2

[0051] Figure 2 :

[0052] 55. Guide rail 2

[0053] 56. Box tongue

[0054] 57. Blade

[0055] Figure 3 :

[0056] 58. Gear rack

[0057] 59. Crossbeam

[0058] 60. Guide rail sliders 1 & 3

[0059] 61. Synchronous belt

[0060] 62. Guide rail (slider 2)

[0061] Figure 4 :

[0062] 63. Parallel gears

[0063] 64. First transmission gear

[0064] 65. First swing arm

[0065] 66. Second transmission gear

[0066] 67. Second swing arm

[0067] 68. Bearing 3

[0068] 69. Driven gear

[0069] 70. Cutting disc

[0070] 71. Drive gear

[0071] 72. Shaft 1

[0072] 73. Bearing 1

[0073] 74. Shaft 2

[0074] 75. Baffle and shaft 3

[0075] 76. Bearing 2

[0076] 77. Baffle and shaft 4 Detailed Implementation

[0077] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0078] As shown in the figure, a cutting blade mechanism includes a blade 57, a first driving part for driving the blade to move laterally, a second driving part for driving the blade to rise and fall, and a power driving part for driving the blade to rotate.

[0079] The first drive unit includes a first transmission assembly and a first support assembly;

[0080] The first support assembly includes a sliding support base, on which a double slider structure is provided, which can move laterally, and the sliding planes of the double sliders are perpendicular to each other;

[0081] The first transmission assembly includes a timing belt 61, a drive gear 71, and a rack 58. The timing belt 61 is connected to a timing belt connecting block on a sliding support, thereby driving the sliding support to slide laterally, causing the drive gear 71 to rotate on the rack 58.

[0082] The second drive unit includes a second transmission assembly and a second support assembly;

[0083] The second support assembly includes a blade support seat, which is connected to a sliding support seat via a guide rail slider structure, and the blade support seat can move vertically.

[0084] The second transmission assembly includes a power drive source, a driving gear, and a driven gear. The power drive source is connected to the blade support seat to drive the blade support seat to move vertically.

[0085] The power drive unit includes a drive gear 71, a parallel gear 63, a driven gear 69, and a rack extending laterally. The drive gear 71 meshes with the rack and rotates, simultaneously driving the parallel gear 63 to rotate. The parallel gear 63 drives the blade 57 to rotate and cut through the driven gear 69.

[0086] The second transmission assembly further includes a swing unit, which includes a first swing arm 65, a second swing arm 67, and a first transmission gear 64 and a second transmission gear 66 that mesh with each other.

[0087] The first transmission gear 64 also meshes with the parallel gear 63, and the second transmission gear 66 also meshes with the driven gear; the first end of the first swing arm 65 is rotatably connected to the gear shaft of the first transmission gear 64, and the axis of rotation is coaxial with the gear shaft of the first transmission gear 64; the second end of the first swing arm 65 and the first end of the second swing arm 67 are both rotatably connected to the gear shaft of the second transmission gear 66, and the axis of rotation is coaxial with the gear shaft of the second transmission gear 66; the second end of the second swing arm 67 is rotatably connected to the gear shaft of the driven gear, and the axis of rotation is coaxial with the gear shaft of the driven gear.

[0088] The sliding support includes a vertical plate 42 and a horizontal plate 47, which are connected together to form an L-shape.

[0089] Both the vertical plate 42 and the horizontal plate 47 are provided with sliders 45, which are slidably connected to the slide rails on the crossbeam 59; the driving gear includes a first driving gear 63 and a second driving gear 71, which are coaxially arranged and respectively located on both sides of the vertical plate 42, and can rotate synchronously relative to the vertical plate 42 through the gear shaft; the first transmission gear 64 is rotatably mounted on the vertical plate 42; vertically extending slide rails 62 are provided on both sides of the vertical plate 42.

[0090] The blade support includes a second vertical plate 44, a connecting plate 48, and a third vertical plate 49; the second vertical plate 44 and the third vertical plate 49 are arranged parallel to the first vertical plate 42.

[0091] Viewed in the vertical direction, the projection of vertical plate 2 44 is located outside vertical plate 1 42, and the projection of vertical plate 3 49 is located inside vertical plate 1 42. Vertical plate 2 44 and vertical plate 3 49 are connected together by the lower connecting plate 48.

[0092] The two sides of the inner side of the second vertical plate 44 are provided with sliders 43, which are slidably connected to the slide rail on the first vertical plate 42; the driven gear 69 is rotatably mounted on the second vertical plate 44.

[0093] The power drive source of the second transmission component is the first drive cylinder 51. The first drive cylinder 51 includes a cylinder body and a piston rod that can reciprocate along the cylinder body. The upper part of the cylinder body is connected to the lower part of the horizontal plate 47 of the sliding support seat. The piston rod is connected to the vertical plate 49 of the blade support seat through the horizontal plate 50. Thus, the up and down movement of the piston rod drives the blade support seat to reciprocate up and down.

[0094] The sliding support base is provided with timing belt connecting blocks 54 at both ends for fixed connection with timing belt 61.

[0095] A carton machine includes the aforementioned cutting knife mechanism and a crossbeam 59. The crossbeam 59 is provided with a double slide rail extending laterally, and a double slider is provided on the sliding support base to slide in cooperation with the aforementioned double slide rail.

[0096] The carton machine also includes a paper output unit, which includes multiple rollers distributed laterally, and the paper output unit is disposed on the crossbeam.

[0097] The first drive unit includes a motor, which drives the synchronous belt of the first transmission assembly to rotate. The synchronous belt drives the sliding support to slide through the synchronous belt connecting block, thereby driving the first drive gear to mesh and rotate with the rack.

[0098] The carton machine also includes a pressing tongue unit and a gluing unit. The pressing tongue unit is located on one side of the horizontal plate of the sliding support base. The pressing tongue unit includes a pressing tongue and a second drive cylinder 53. The second drive cylinder 53 is used to drive the pressing tongue 56 to rise and fall. The gluing unit is located on the other side of the blade in the horizontal direction.

[0099] The main supporting and moving components of this utility model are shown in the figure. From top to bottom, there are slider 1 and slider 3, which cooperate with the guide rail on the crossbeam to enable the mechanism to move laterally on the crossbeam. The double guide rail slider design, with the two sliders perpendicular to each other, aims to improve the stability of the entire mechanism. Vertical plate 1 is connected to horizontal plate 1 and guide rail slider 2. Guide rail slider 2 is also a symmetrical double guide rail slider design on vertical plate 1. Vertical plate 3, vertical plate 4, and horizontal plate 2 serve as transitional connections. Slider 1, vertical plate 1, slider 3, guide rail 2, and cylinder body of cylinder 1 form a whole ①, which is fixed in the vertical direction. Slider 2, vertical plate 2, vertical plate 3, vertical plate 4, horizontal plate 2, and cylinder shaft form a whole ②, which can reciprocate in the vertical direction under the action of cylinder. Cylinder 2 is also connected to the left extension of horizontal plate 1. The cylinder is connected to the pressure roller seat, and the pressure roller seat is connected to the pressure box tongue wheel. By controlling the action of the cylinder, the function of the pressure box tongue can be realized. The mechanism also has synchronous belt connecting blocks 1 and 2 on the left and right sides, which are connected to the synchronous belt to drive the entire mechanism to move laterally.

[0100] The main transmission components of this utility model are shown in the figure. From top to bottom, they are gear 1, which meshes with an external rack to convert the lateral motion of the mechanism into rotational motion, serving as the power source input for the mechanism. This power is transmitted to gear 2 via shaft 1, which is fixed to the vertical plate 1 by bearings, and then to gears 3, 4, and 5 via external meshing. Finally, it is transmitted to the cutter disc via a baffle and shaft 4, allowing the cutter disc to actively rotate and cut the cardboard while the mechanism moves laterally. Shaft 2 is fixed to the vertical plate 1 by bearing 1, thus the relative positions of shaft 1 and shaft 2 are fixed in the whole ①. Shaft 3 and shaft 4 are connected by rocker arms 1 and 2, and shaft 4 is fixed to the whole ② by bearings 2 and 3. Therefore, rocker arms 1 and 2 form a crank-rocker mechanism. Because rocker arms 1 and 2 fix the center distance between gears 3 and 4, and 4 and 5, the whole ② can reciprocate in the vertical direction within the cylinder stroke range while maintaining continuous transmission. This utility model uses a double-guide rail slider arrangement in both the lateral and vertical directions to meet the requirements of strength and stability. The cutting blade structure design adopts a double guide rail slider arrangement in both the horizontal and vertical directions to meet the strength requirements.

[0101] It should be noted that, in this document, terms such as "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0102] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cutting blade mechanism, the cutting blade mechanism comprising a blade, a first driving unit for driving the blade to move laterally, a second driving unit for driving the blade to move up and down, and a power driving unit for driving the blade to rotate; characterized in that: The first drive unit includes a first transmission assembly and a first support assembly; The first support assembly includes a sliding support base, on which a double slider structure is provided, which can move laterally, and the sliding planes of the double sliders are perpendicular to each other; The first transmission component includes a timing belt, a drive gear, and a rack. The timing belt drives the sliding support to move laterally, thereby causing the drive gear to rotate on the rack. The drive gear is the power source for the power drive unit.

2. The cutting blade mechanism according to claim 1, characterized in that, The second drive unit includes a second transmission assembly and a second support assembly; The second support assembly includes a blade support seat, which is connected to a sliding support seat via a guide rail slider structure, and the blade support seat can move vertically. The second transmission component includes a power drive source connected to the blade support seat to drive the blade support seat to move vertically.

3. The cutting blade mechanism according to claim 2, characterized in that, The power drive unit includes a parallel gear coaxially driven with the drive gear, a driven gear, and a rack extending laterally. The drive gear rotates along the rack, thereby driving the parallel gear to rotate synchronously. The parallel gear drives the blade to rotate and cut through the driven gear.

4. The cutting blade mechanism according to claim 3, characterized in that, The second transmission assembly further includes a swing unit, which includes a first swing arm, a second swing arm, and a first transmission gear and a second transmission gear meshing with each other. The first transmission gear also meshes with the parallel gear, and the second transmission gear also meshes with the driven gear; the first end of the first swing arm is rotatably connected to the gear shaft of the first transmission gear, and the axis of rotation is coaxial with the gear shaft of the first transmission gear; the second end of the first swing arm and the first end of the second swing arm are both rotatably connected to the gear shaft of the second transmission gear, and the axis of rotation is coaxial with the gear shaft of the second transmission gear; the second end of the second swing arm is rotatably connected to the gear shaft of the driven gear, and the axis of rotation is coaxial with the gear shaft of the driven gear.

5. The cutting blade mechanism according to claim 4, characterized in that: The sliding support includes a vertical plate and a horizontal plate, which are connected together to form an L-shape. Both the vertical plate and the horizontal plate are equipped with sliders, which are slidably connected to the slide rails on the horizontal beam. The driving gear and the parallel gear are coaxially arranged and respectively located on both sides of the vertical plate. They can rotate synchronously relative to the vertical plate via the gear shaft. The first transmission gear is rotatably mounted on the vertical plate. Vertically extending slide rails are provided on both sides of the vertical plate.

6. The cutting blade mechanism according to claim 5, characterized in that: The blade support includes a second vertical plate, a connecting plate, and a third vertical plate; the second and third vertical plates are arranged parallel to the first vertical plate. Viewed in the vertical direction, the projection of vertical plate 2 is located outside of vertical plate 1, and the projection of vertical plate 3 is located inside vertical plate 1. Vertical plate 2 and vertical plate 3 are connected together by the connecting plate at the bottom. The two inner sides of the second vertical plate are provided with sliders, which are slidably connected to the slide rails on the first vertical plate. The driven gear is rotatably mounted on the second vertical plate.

7. The cutting blade mechanism according to claim 6, characterized in that: The power drive source of the second transmission component is a first drive cylinder. The first drive cylinder includes a cylinder body and a piston rod that can reciprocate along the cylinder body. The upper part of the cylinder body is connected to the lower part of the horizontal plate one of the sliding support seat. The piston rod is connected to the vertical plate three of the blade support seat through the horizontal plate two. Thus, the up and down movement of the piston rod drives the blade support seat to reciprocate up and down.

8. The cutting blade mechanism according to claim 7, characterized in that: The sliding support base is provided with timing belt connecting blocks at both ends for fixed connection with the timing belt.

9. A cardboard box machine, characterized in that: The carton machine includes the cutting knife mechanism as described in any one of claims 1-8, and the carton machine also includes a crossbeam, the crossbeam being provided with double slide rails extending laterally, and the sliding support being provided with double sliders that slide in cooperation with the double slide rails.

10. The carton machine according to claim 9, characterized in that: The carton machine also includes a paper output unit, which includes multiple rollers distributed laterally, and the paper output unit is disposed on the crossbeam.

11. The carton machine according to claim 10, characterized in that: The first drive unit includes a motor, which drives the synchronous belt of the first transmission assembly to rotate. The synchronous belt drives the sliding support to slide through the synchronous belt connecting block, thereby driving the first drive gear to mesh and rotate with the rack.

12. The carton machine according to claim 11, characterized in that: The carton machine also includes a pressing tongue unit and a gluing unit. The pressing tongue unit is located on one side of the horizontal plate of the sliding support base. The pressing tongue unit includes a pressing tongue and a second drive cylinder. The second drive cylinder is used to drive the pressing tongue to rise and fall. The gluing unit is located on the other side of the blade in the horizontal direction.

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