Molded pulp rotary edge trimmer

Abstract

According to the rotary edge trimmer for the molded pulp, the design structure is simple, elastic force is provided for the elastic rod through the spring, the elastic rod pushes the pressing pad to press and fix the molded pulp, the edge trimming structure is driven by the rotary driving mechanism to do annular motion, and the purpose of trimming the molded pulp is achieved; a linear motor is used for pushing a slicing structure to be transversely adjusted, the diameter of an annular slice is adjusted during slicing, and the device can adapt to molded pulp slices of different sizes and comprises a bottom plate, two telescopic motors are arranged at the top of the bottom plate, the same top plate is installed on output shafts of the two telescopic motors, and a rotation driving mechanism is arranged at the bottom of the top plate. A cylinder is rotationally installed at the bottom of the top plate and matched with the rotary driving mechanism, a pressing and fixing mechanism is arranged at the position, located in the cylinder, of the bottom of the top plate, a linear motor is transversely arranged on the outer side of the cylinder, an edge cutting structure is installed on the linear motor, and a positioning groove is formed in the center of the top of the bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of pulp molding rotary cutting, in particular to a pulp molding rotary trimming machine. Background Art

[0002] Pulp is a fibrous material obtained by different processing methods using plant fiber as raw material. According to different processing methods, it can be divided into mechanical pulp, chemical pulp and chemical mechanical pulp. It can also be divided into wood pulp, straw pulp, hemp pulp, etc. according to the fiber raw materials used. Pulp is not only the basic raw material for papermaking, but also the basic raw material for pulp molded products. Pulp molded products include egg trays, flower pots, tableware, etc. Pulp molded tableware is a good substitute for disposable foam plastic tableware. Compared with disposable foam plastic tableware, pulp molded tableware has the advantages of easy degradation and environmentally friendly production process. After the development in recent years, pulp molded tableware has the advantages of heat preservation, leakage prevention and other aspects that can fully meet the current people's dietary needs. After the pulp molded products are produced, they need to be trimmed with a trimming machine. The trimming machine usually uses a cylinder to drive the cutter to press down and cut off the excess edges of the product. However, when trimming, the downward pressure of the cylinder of the trimming machine currently used is not fixed. When the downward pressure is large, it will cause additional wear to the cutting table and the cutting knife. When the downward pressure is small, it is difficult to cut off the excess corners of the product, and manual adjustment is not accurate. Therefore, the current trimming machine has the technical problem of inconvenient control of the downward pressure. The patent document with the publication (announcement) number: CN219132403U discloses a pulp molding rotary trimming machine, which belongs to the field of pulp molding. The pulp molding rotary trimming machine includes: a bracket; a first workbench, the first workbench is provided with an opening and is fixedly connected to the bracket; a cylinder, the cylinder is fixedly connected to the first workbench and partially passes through the opening; a cutting knife, the cutting knife is fixedly connected to the cylinder; a second workbench, the second workbench is rotatably connected to the bracket; a cutting table, the cutting table is fixedly connected to the second workbench; a pressure control component, the pressure control component is connected to the cylinder. The downward pressure of the cylinder is dynamically controlled by the pressure control component.

[0003] The existing pulp molding rotary trimming machine can only trim circular pulp moldings of one size, and the cutting blades need to be replaced for trimming pulp moldings of different sizes, which cannot meet the use requirements. Utility Model Content

[0004] In view of the defects existing in the prior art, the technical problem solved by the utility model is that the existing trimming machines can only perform trimming for pulp molding of one size, and the cutting knives need to be replaced for trimming of pulp moldings of different sizes, which cannot meet the use requirements. A pulp molding rotary trimming machine is provided.

[0005] In order to achieve the above objectives, the utility model provides:

[0006] A pulp molding rotary trimming machine comprises a bottom plate, two telescopic motors are arranged on the top of the bottom plate, the same top plate is installed on the output shafts of the two telescopic motors, a rotary drive mechanism is arranged at the bottom of the top plate, a cylinder is rotatably installed at the bottom of the top plate, the cylinder cooperates with the rotary drive mechanism, a clamping and fixing mechanism is arranged at the bottom of the top plate inside the cylinder, a linear motor is arranged laterally on the outside of the cylinder, a trimming structure is installed on the linear motor, a positioning groove is opened at the center position of the top of the bottom plate, and the clamping and fixing mechanism and the positioning groove are located on the same vertical axis.

[0007] Preferably, an annular groove is provided at the bottom of the top plate, a plurality of sliding balls are embedded on the inner wall of the annular groove, a limiting ring is provided on the outer side of the top of the cylinder, and the sliding balls are slidably connected to the inner wall of the limiting ring; the cooperation of the plurality of sliding balls and the limiting ring can ensure the stable rotation of the cylinder in the annular groove.

[0008] Preferably, a gear ring is sleeved on the outer side of the cylinder, and the rotary drive mechanism cooperates with the gear ring.

[0009] Preferably, the rotary drive mechanism includes a servo motor and a gear, a motor slot is opened at the bottom of the top plate, the servo motor is installed in the motor slot, the gear is installed on the output shaft of the servo motor, and the gear is meshed with the gear ring; the servo motor drives the gear to rotate, the gear drives the gear ring to rotate, and the gear ring drives the cylinder to rotate.

[0010] Preferably, the clamping and fixing mechanism includes a cylinder, which is fixedly installed at the bottom of the top plate and located inside the cylinder. An elastic groove is opened at the bottom of the cylinder, and an elastic rod is slidably installed in the elastic groove. A clamping pad is fixedly installed at the bottom of the elastic rod. The bottom of the clamping pad is arc-shaped, and a spring is fixedly installed between the top of the elastic rod and the elastic groove; the clamping pad is clamped against the center position of the pulp molding, and the spring provides elastic force to the elastic rod, and the elastic rod pushes the clamping pad to clamp and fix the pulp molding.

[0011] Preferably, the trimming structure comprises a mounting plate, the mounting plate is fixedly mounted on the output shaft of the linear motor, a cutting motor is mounted on the mounting plate, a cutter is mounted on the output shaft of the cutting motor; the cutting motor drives the cutter to rotate to trim the pulp molding.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] 1. The pulp molding is placed in the positioning groove of the bottom plate. Two telescopic motors drive the top plate to move downward. The top plate drives the pressing and fixing mechanism and the slicing structure to move downward. The pressing pad is pressed against the center of the pulp molding. The spring provides elastic force to the elastic rod. The elastic rod pushes the pressing pad to press and fix the pulp molding.

[0014] 2. The elastic rod contracts in the elastic groove, the cutter contacts the side of the pulp molding, the cutting motor drives the cutter to rotate, the servo motor drives the gear to rotate, the gear drives the gear ring to rotate, the gear ring drives the cylinder to rotate, and the cylinder moves in a circular motion through the linear motor, servo motor and cutter to achieve the purpose of trimming the pulp molding. After the processing is completed, the two telescopic motors drive the top plate to move upward to release the fixation of the pulp molding, and the processed pulp molding can be taken out. The linear motor is used to promote the lateral adjustment of the slicing structure to adjust the diameter of the annular slice during slicing, which can adapt to pulp molding slices of different sizes;

[0015] The utility model has a simple structure. A spring is used to provide elastic force for an elastic rod. The elastic rod pushes a pressing pad to press and fix the pulp molding. A rotary driving mechanism drives the trimming structure to make an annular motion to achieve the purpose of trimming the pulp molding. A linear motor is used to promote the lateral adjustment of the slicing structure to adjust the diameter of the annular slice during slicing. The utility model can adapt to pulp molding slices of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the main structure diagram of this design;

[0017] Figure 2 Designed for this Figure 1 Schematic diagram of the structure viewed from above;

[0018] Figure 3 This is a schematic diagram of the top plate structure in this design from an upward perspective;

[0019] Figure 4 This is a schematic diagram of the top view of the cylinder, linear motor and slice structure in this design;

[0020] Figure 5 Design for this Figure 4 A top-down schematic diagram of a three-dimensional structure;

[0021] Figure 6 This is a schematic diagram of the cross-sectional structure of the clamping and fixing mechanism in this design;

[0022] Figure 7 This is a schematic diagram of the pulp molding structure in this design.

[0023] In the figure: 1, bottom plate; 2, telescopic motor; 3, top plate; 4, annular groove; 5, sliding ball; 6, clamping and fixing mechanism; 61, cylinder; 62, elastic groove; 63, spring; 64, elastic rod; 65, clamping pad; 8, motor groove; 9, servo motor; 10, gear; 11, gear ring; 12, cylinder; 13, limit ring; 14, linear motor; 15, mounting plate; 16, cutting motor; 17, cutter; 18, pulp molding; 19, positioning groove. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0025] See also Figure 1-7 As shown, a pulp molding rotary trimming machine comprises a bottom plate 1, two telescopic motors 2 are arranged on the top of the bottom plate 1, the same top plate 3 is installed on the output shafts of the two telescopic motors 2, a rotary driving mechanism is arranged at the bottom of the top plate 3, a cylinder 12 is rotatably installed at the bottom of the top plate 3, the cylinder 12 cooperates with the rotary driving mechanism, a clamping and fixing mechanism 6 is arranged inside the cylinder 12 at the bottom of the top plate 3, a linear motor 14 is arranged laterally on the outside of the cylinder 12, a trimming structure is installed on the linear motor 14, a positioning groove 19 is opened at the top center of the bottom plate 1, and the clamping and fixing mechanism 6 and the positioning groove 19 are located on the same vertical axis.

[0026] In this embodiment, an annular groove 4 is provided at the bottom of the top plate 3, and a plurality of sliding balls 5 are embedded on the inner wall of the annular groove 4. A limiting ring 13 is provided on the outer side of the top of the cylinder 12, and the sliding balls 5 are slidably connected to the inner wall of the limiting ring 13; the cooperation of the plurality of sliding balls 5 and the limiting ring 13 can ensure the stable rotation of the cylinder 12 in the annular groove 4.

[0027] In this embodiment, a gear ring 11 is sleeved on the outer side of the cylinder 12 , and the rotation driving mechanism cooperates with the gear ring 11 .

[0028] In this embodiment, the rotation drive mechanism includes a servo motor 9 and a gear 10. A motor slot 8 is provided at the bottom of the top plate 3. The servo motor 9 is installed in the motor slot 8. The gear 10 is installed on the output shaft of the servo motor 9. The gear 10 is meshed with a gear ring 11. The servo motor 9 drives the gear 10 to rotate, the gear 10 drives the gear ring 11 to rotate, and the gear ring 11 drives the cylinder 12 to rotate.

[0029] In this embodiment, the clamping and fixing mechanism 6 includes a cylinder 61, which is fixedly installed at the bottom of the top plate 3 and located inside the cylinder 12. An elastic groove 62 is opened at the bottom of the cylinder 61, and an elastic rod 64 is slidably installed in the elastic groove 62. A clamping pad 65 is fixedly installed at the bottom of the elastic rod 64. The bottom of the clamping pad 65 is arc-shaped, and a spring 63 is fixedly installed between the top of the elastic rod 64 and the elastic groove 62; the clamping pad 65 is clamped against the center position of the pulp molding 18, and the spring 63 provides elastic force for the elastic rod 64, and the elastic rod 64 pushes the clamping pad 65 to clamp and fix the pulp molding 18.

[0030] In this embodiment, the trimming structure includes a mounting plate 15, which is fixedly mounted on the output shaft of the linear motor 14. A cutting motor 16 is mounted on the mounting plate 15, and a cutter 17 is mounted on the output shaft of the cutting motor 16; the cutting motor 16 drives the cutter 17 to rotate to trim the pulp molding 18.

[0031] Working principle: When in use, turn on the power supply and controller, the pulp mold 18 is placed in the positioning groove 19 of the bottom plate 1, the two telescopic motors 2 drive the top plate 3 to move downward, the top plate 3 drives the clamping and fixing mechanism 6 and the slicing structure to move downward, the clamping pad 65 is clamped against the center position of the pulp mold 18, and the spring 63 provides elastic force for the elastic rod 64, the elastic rod 64 pushes the clamping pad 65 to clamp and fix the pulp mold 18, the elastic rod 64 contracts in the elastic groove 62, the cutter 17 contacts the side of the pulp mold 18, the cutting motor 16 drives the cutter 17 to rotate, and the servo The motor 9 drives the gear 10 to rotate, the gear 10 drives the gear ring 11 to rotate, the gear ring 11 drives the cylinder 12 to rotate, and the cylinder 12 makes a circular motion through the linear motor 14, the servo motor 9 and the cutter 17 to achieve the purpose of trimming the pulp molding 18. After the processing is completed, the two telescopic motors 2 drive the top plate 3 to move upward to release the fixation of the pulp molding 18, and the processed pulp molding 18 can be taken out. The linear motor 14 is used to promote the lateral adjustment of the slicing structure to adjust the diameter of the annular slice during slicing, which can adapt to pulp molding 18 slices of different sizes.

[0032] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, any technical solution that is the same or similar to the present invention is within the scope of protection.

Claims

1. A pulp molding rotary trimming machine, comprising a bottom plate (1), characterized in that: Two telescopic motors (2) are arranged on the top of the bottom plate (1); the output shafts of the two telescopic motors (2) are mounted on the same top plate (3); a rotary drive mechanism is arranged on the bottom of the top plate (3); a cylinder (12) is rotatably mounted on the bottom of the top plate (3); the cylinder (12) cooperates with the rotary drive mechanism; a clamping and fixing mechanism (6) is arranged inside the cylinder (12) at the bottom of the top plate (3); a linear motor (14) is arranged laterally on the outside of the cylinder (12); a trimming structure is mounted on the linear motor (14); a positioning groove (19) is provided at the center of the top of the bottom plate (1); the clamping and fixing mechanism (6) and the positioning groove (19) are located on the same vertical axis.

2. A pulp molding rotary trimming machine according to claim 1, characterized in that: An annular groove (4) is provided at the bottom of the top plate (3), a plurality of sliding balls (5) are embedded on the inner wall of the annular groove (4), a limiting ring (13) is provided on the outer side of the top of the cylinder (12), and the sliding balls (5) are slidably connected to the inner wall of the limiting ring (13).

3. A pulp molding rotary trimming machine according to claim 1, characterized in that: A gear ring (11) is sleeved on the outer side of the cylinder (12), and the rotation drive mechanism cooperates with the gear ring (11).

4. A pulp molding rotary trimming machine according to claim 1, characterized in that: The rotary drive mechanism comprises a servo motor (9) and a gear (10); a motor slot (8) is provided at the bottom of the top plate (3); the servo motor (9) is mounted in the motor slot (8); the gear (10) is mounted on an output shaft of the servo motor (9); and the gear (10) is meshed with a gear ring (11).

5. The pulp molding rotary trimming machine according to claim 1, characterized in that: The clamping and fixing mechanism (6) comprises a cylinder (61), the cylinder (61) being fixedly mounted on the bottom of the top plate (3) and located inside the cylinder (12), the cylinder (61) being provided with an elastic groove (62) at the bottom, an elastic rod (64) being slidably mounted in the elastic groove (62), a clamping pad (65) being fixedly mounted on the bottom of the elastic rod (64), and the bottom of the clamping pad (65) being arranged in an arc shape.

6. A pulp molding rotary trimming machine according to claim 5, characterized in that: A spring (63) is fixedly installed between the top end of the elastic rod (64) and the elastic groove (62).

7. A pulp molding rotary trimming machine according to claim 1, characterized in that: The trimming structure comprises a mounting plate (15), wherein the mounting plate (15) is fixedly mounted on an output shaft of a linear motor (14), a cutting motor (16) is mounted on the mounting plate (15), and a cutter (17) is mounted on the output shaft of the cutting motor (16).

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