Square cutterhead hammer sheet type plastic fruit basket crusher

By designing a square cutter head and rectangular hammer assembly, combined with an arc-shaped screen and a split crushing box, the problems of jamming and difficult discharge in large plastic fruit basket crushers are solved, achieving low-cost and high-efficiency crushing of plastic fruit baskets.

CN223904316UActive Publication Date: 2026-02-13李明波 +1
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Patent Information

Application Number
CN202520564040.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-02-13
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing plastic crushers are not suitable for crushing large plastic fruit baskets, as they are prone to jamming or splintering, and the discharge process is difficult, increasing costs.

Method used

It adopts a square blade disc and rectangular hammer assembly, combined with an arc-shaped screen and a split crushing box design to prevent fragments from flying out and simplify the discharge. It uses the centrifugal force of the hammer assembly for crushing.

Benefits of technology

It achieves miniaturized, low-cost plastic fruit basket crushing, thoroughly crushes fragments, reduces equipment failure rate, and has wide applicability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223904316U_ABST
    Figure CN223904316U_ABST
Patent Text Reader

Abstract

The utility model provides a square cutterhead hammer sheet type plastic fruit basket pulverizer, the upper part of a pulverizing box is provided with a feed port, the interior of the pulverizing box is provided with a hammer sheet assembly, the hammer sheet assembly comprises a main shaft, square cutterheads and cutter shafts, a plurality of square cutterheads are arranged on the main shaft in parallel, the square cutterheads are connected with four cutter shafts parallel to the main shaft, and the square cutterheads are connected with the cutter shafts. The four cutter shafts are respectively arranged at four corners of the square cutter head; and a plurality of rectangular hammers are sleeved on the cutter shaft. And the lower end of the top plate extends into the crushing box by a certain length. Compared with a traditional circular cutter head, the square cutter head is smaller in occupied space, lighter in weight and lower in production cost. The upper box body wall of the crushing box is arranged to be square, so that the fruit basket fragments can continuously rebound on the box body wall and finally fall on the hammer slice assembly; and meanwhile, the extending design of the feeding opening prevents the fruit basket fragments from flying out of the feeding opening, so that the fruit basket fragments are rebounded into the smashing bin again to be further smashed, and it is guaranteed that smashing is more thorough.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a plastic fruit basket pulverizer, especially to a square cutter disc hammer piece type plastic fruit basket pulverizer. BACKGROUND

[0002] The recycling process of plastic fruit baskets needs to first crush the fruit baskets into particles, and then recycle and reuse the plastic particles, but the existing plastic pulverizer is not suitable for the crushing of plastic fruit baskets, because the plastic fruit baskets are large in size, the crushing chamber of the commonly used small plastic pulverizer is small in space, the cutter disc inside is usually disc-shaped and occupies a large space, and the plastic fruit baskets are easy to be stuck in the crushing chamber during the crushing process; in addition, the fruit basket fragments are easy to be thrown out of the feed inlet under the action of inertia when the commonly used plastic pulverizer crushes the plastic fruit baskets; the lower discharge outlet of some plastic pulverizers is difficult to discharge naturally, and a screw auger is needed to assist in discharging the crushed materials, increasing the manufacturing cost. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a square cutter disc hammer piece type plastic fruit basket pulverizer, which comprises a crushing box and a support, and the crushing box is arranged on the support; the upper part of the crushing box is provided with a feed inlet; the inside of the crushing box is provided with a hammer piece assembly, which comprises a main shaft, a square cutter disc and a cutter shaft; a plurality of square cutter discs are arranged in parallel on the main shaft; four cutter shafts parallel to the main shaft are connected to the square cutter disc; the four cutter shafts are arranged at the four corners of the square cutter disc; and a plurality of rectangular hammer pieces are sleeved on the cutter shafts.

[0004] Further, the lower end of the inside of the crushing box is provided with a screen mesh, which divides the inside of the crushing box into a crushing chamber and a discharge chamber; and the hammer piece assembly is arranged in the crushing chamber.

[0005] Further, the screen mesh is arc-shaped and coaxially arranged with the hammer piece assembly.

[0006] Further, the support on both sides of the crushing box is provided with a bearing seat, and the two ends of the main shaft in the hammer piece assembly are rotatably connected to the two bearing seats through the wall of the crushing box.

[0007] Further, the upper box body wall of the crushing box is square-shaped, the feed inlet is arranged on the upper part of one side of the crushing box and is upwardly inclined, and the other three walls of the crushing box and the top surface form angles of 90°.

[0008] Further, the top plate of the feed inlet is inclined, and the lower end of the top plate extends into the crushing box by a certain length.

[0009] Further, the bottom plate of the feed inlet is inclined, the lower end of the bottom plate extends into the crushing box by a certain length, and the end and the inner wall of the crushing box are provided with an arc-shaped baffle.

[0010] Further, the pulverizing box is of split type, and is divided into upper and lower parts, the upper part and the lower part of the pulverizing box are hinged at one end through a hinge shaft; the lower part of the pulverizing box is fixedly connected with the support.

[0011] Further, the lower end of the pulverizing box is provided with a discharge bin, the discharge bin is funnel-shaped, the bottom surface of the discharge bin is downwardly inclined, and the end is provided with a discharge port.

[0012] The working principle of the utility model is as follows:

[0013] The utility model provides a kind of square cutter disc hammer piece type plastic fruit basket pulverizer, and plastic fruit basket is thrown into pulverizing box from feed inlet, and hammer piece assembly in pulverizing box can break plastic fruit basket.The one end of the main shaft of hammer piece assembly extends out of pulverizing box, and it is connected with external power system, and it is mainly used to transmit torque;Square cutter disc with cutter shaft rotates synchronously with main shaft.The space occupied by square cutter disc is smaller, and the quality is lighter, and the production cost is lower compared with traditional circular cutter disc when diagonal length of square cutter disc is same with diameter of circular cutter disc.Square cutter disc is used to fix four cutter shafts at equal intervals, and four cutter shafts are arranged on four corners of square cutter disc respectively, and keep balance and stability when rotating;Rectangular hammer piece is provided with through hole, and it is movably sleeved on cutter shaft, and it is opened outward and rotates under the action of centrifugal force with the rotation of main shaft, and plastic fruit basket is pulverized.Pulverized plastic fragments are filtered out from screen in pulverizing box, and are collected by discharge bin at lower end of pulverizing box, and are discharged from discharge port.

[0014] The screen is arranged in arc shape, and its diameter is slightly larger than the diameter of fully unfolded rectangular hammer piece when rotating, and unbroken fruit basket fragments can continuously contact with rectangular hammer piece until the diameter of particle is less than the diameter of screen mesh, and then filtered out from screen.

[0015] The support on the two sides of the pulverizing box is used to support the pulverizing box, and the bearing seat on the support is rotatably connected with the main shaft in the hammer piece assembly to provide support for the main shaft.

[0016] The upper box body wall of the pulverizing box is square, and the other three box body walls and top surface of the pulverizing box are respectively at 90° angle, and the purpose is to make fruit basket fragments continuously rebound on the box body wall, and finally fall on hammer piece assembly and be broken by rectangular hammer piece.

[0017] In order to further prevent fruit basket fragments from flying out of feed inlet, the utility model extends the lower end of the inclined top plate of feed inlet into pulverizing box for a certain length, and the extended part and the top plate of pulverizing box form an acute angle, and the fruit basket fragments that originally fly to feed inlet are blocked, so that the fruit basket fragments rebound back into pulverizing bin for further pulverization.

[0018] The utility model discloses a pulverization box is the split type design, and the purpose is to open the upper part of the pulverization box, and the internal structure is convenient to overhaul.

[0019] The lower end of the pulverization box is provided with a discharge bin, and the funnel-shaped discharge bin is used for collecting plastic particles.

[0020] The utility model discloses a pulverization box is the split type design, and the purpose is to open the upper part of the pulverization box, and the internal structure is convenient to overhaul.

[0021] The utility model provides a kind of square blade hammer piece type plastic fruit basket pulverizer, compared with traditional circular blade, square blade occupies smaller space, lighter quality, lower production cost;The upper box body wall of pulverization box is set into square, so that fruit basket scrap can continuously form rebound on box body wall, finally fall on hammer piece assembly and be broken by rectangular hammer piece;The extension design of feeding port prevents fruit basket scrap from flying out of feeding port, so that fruit basket scrap rebounds back into pulverization bin again for further pulverization, ensure more completely pulverized.The utility model can be used as a kind of miniaturized plastic fruit basket pulverizer to promote and use, low cost, wide applicability, easy to promote. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 For the structure of the utility model Figure 1 ;

[0023] Figure 2 For the structure of the utility model Figure 2 ;

[0024] Figure 3 For the internal structure of the utility model

[0025] Figure 4 For the hammer piece assembly structure of the utility model

[0026] Figure 5 For the hammer piece assembly local structure of the utility model

[0027] Figure 6 For the structure of the utility model embodiment 5

[0028] 1, pulverization box, 2, support, 3, feeding port, 4, main shaft, 5, square blade, 6, cutter shaft, 7, rectangular hammer piece, 8, bearing seat, 9, screen, 10, discharge bin, 11, discharge port, 12, arc baffle, 13, hinged shaft. DETAILED DESCRIPTION

[0029] Example 1,

[0030] Refer to Figures 1-5The embodiment provides a square-blade hammer-type plastic fruit basket crusher, which comprises a crushing box 1 and a support 2, the crushing box 1 is arranged on the support 2; the upper portion of the crushing box 1 is provided with a feeding port 3; the inside of the crushing box 1 is provided with a hammer assembly, the hammer assembly comprises a main shaft 4, a square blade 5 and a blade shaft 6, four square blades 5 are fixed on the main shaft 4 in parallel at equal intervals in the embodiment, and the main shaft 4 penetrates the center of the square blade 5; four blade shafts 6 which are parallel to the main shaft 4 are connected through the four square blades 5, and the four blade shafts 6 are fixed on the four corners of the square blade 5 respectively; six rectangular hammers 7 are sleeved on the blade shaft 6, and two rectangular hammers 7 are arranged between every two adjacent square blades 5. The rectangular hammer 7 is provided with a through hole and is movably sleeved on the blade shaft 6; the support 2 on the two sides of the crushing box 1 is respectively provided with a bearing seat 8, and the two ends of the main shaft 4 in the hammer assembly are rotationally connected with the two bearing seats 8 through the side walls of the crushing box 1. One end of the main shaft 4 is connected with an external power system and is used for transmitting torque; the square blade 5 with the blade shaft 6 rotates synchronously with the main shaft 4, the rectangular hammer 7 is opened outward and rotates under the action of centrifugal force, and the plastic fruit basket can be crushed.

[0031] Embodiment 2,

[0032] The square-blade hammer-type plastic fruit basket crusher provided in the embodiment is based on the embodiment 1, the inside of the crushing box 1 is provided with a screen 9 at the lower end, the inside of the crushing box 1 is divided into a crushing chamber and a discharging chamber by the screen 9, and the hammer assembly is arranged in the crushing chamber. The lower end of the discharging chamber is in communication with a bottom discharging chamber 10, the discharging chamber 10 is in the shape of a funnel, the bottom surface of the discharging chamber 10 is arranged in a downward inclined manner, and the tail end is provided with a discharging port 11. The funnel-shaped discharging chamber 10 is used for collecting plastic particles, the plastic particles slide out of the discharging port 11 along the bottom surface of the discharging chamber 10 downward, a twisting rod is not needed, the production cost is reduced, and the equipment failure rate is reduced.

[0033] Embodiment 3,

[0034] The square-blade hammer-type plastic fruit basket crusher provided in the embodiment is based on the embodiment 2, the screen 9 is in the shape of a circular arc and is coaxially arranged with the hammer assembly. The diameter of the screen 9 is slightly larger than the diameter of the rectangular hammer 7 when the rectangular hammer 7 is fully opened, the uncrushed fruit basket fragments can continuously contact the rectangular hammer 7, and the fragments are filtered out from the screen 9 until the diameter of the fragments is smaller than the diameter of the screen 9.

[0035] Embodiment 4,

[0036] The embodiment provides a square-blade hammer-type plastic fruit basket crusher, which is based on the embodiment 1 or 2 or 3, the upper box wall of the crushing box 1 is square, the feeding port 3 is arranged on one side of the upper part of the crushing box 1, and the feeding port 3 is arranged in an upward inclination; the other three box walls of the crushing box 1 are respectively formed into an angle of 90 degrees with the top surface, fruit basket residues can continuously rebound on the box walls, and finally fall on the hammer assembly and be broken by the rectangular hammer 7. The top plate of the feeding port 3 is arranged in an inclination, the lower end of the top plate extends into the crushing box 1 by a certain length, an acute angle is formed between the extended part and the top plate of the crushing box 1, the fruit basket residues originally flying to the feeding port 3 are shielded, and the fruit basket residues rebound back into the crushing chamber again for further crushing.

[0037] Embodiment 5,

[0038] Referring to Figure 6 The embodiment provides a square-blade hammer-type plastic fruit basket crusher, which is based on the embodiment 1 or 2 or 3 or 4, the bottom plate of the feeding port 3 is arranged in an inclination, the lower end of the bottom plate extends into the crushing box 1 by a certain length, and an arc-shaped baffle 12 is arranged at the tail end and the inner wall of the crushing box 1. The arc-shaped baffle 12 is used for blocking the fruit basket residues from flying out of the feeding port 3 under the action of centrifugal force, part of the fruit basket residues rebounds back to the hammer assembly and is further broken by the rectangular hammer 7, and the other part of the fruit basket residues rebounds to the back wall of the crushing box 1, falls back to the hammer assembly or further rebounds to the top of the crushing box 1 and then falls back to the hammer assembly, and is further broken by the rectangular hammer 7.

[0039] Embodiment 6,

[0040] The embodiment provides a square-blade hammer-type plastic fruit basket crusher, which is based on the embodiment 1 or 2 or 3 or 4, the crushing box 1 is designed in a split type and is divided into an upper part and a lower part, the upper part and the lower part of the crushing box 1 are hinged at one end through a hinge shaft 13; the upper part of the crushing box 1 can be opened to facilitate the maintenance of the internal structure. The lower part of the crushing box 1 is fixedly connected with the support 2.

Claims

1. A square-blade hammer mill type plastic fruit basket crusher, comprising a crushing chamber and a support frame, wherein the crushing chamber is mounted on the support frame; characterized in that: The upper part of the pulverizing box is provided with a feeding port; the interior of the pulverizing box is provided with a hammer blade assembly, which comprises a main shaft, square cutter heads and cutter shafts, a plurality of square cutter heads are arranged in parallel on the main shaft, four cutter shafts parallel to the main shaft are connected to the square cutter heads, and the four cutter shafts are arranged at the four corners of the square cutter heads respectively; a plurality of rectangular hammer blades are sleeved on the cutter shafts.

2. A square-cutter-blade hammer-mill plastic fruit basket shredder according to claim 1, characterized in that: The lower end of the interior of the pulverizing box is provided with a screen, which divides the interior of the pulverizing box into a pulverizing chamber and a discharging chamber from top to bottom; the hammer blade assembly is arranged in the pulverizing chamber.

3. A square-cutter-blade hammer-mill plastic fruit basket shredder according to claim 2, characterized in that: The screen is arc-shaped and coaxially arranged with the hammer blade assembly.

4. A square-cutter-blade hammer-mill plastic fruit basket shredder according to claim 1, characterized in that: The two ends of the main shaft of the hammer blade assembly pass through the wall of the pulverizing box and are rotationally connected with the two groups of bearing seats on the brackets on both sides of the pulverizing box.

5. A square-cutter-blade hammer-mill plastic fruit basket shredder according to claim 1, characterized in that: The upper part of the pulverizing box is square, the feeding port is arranged on the upper part of one side of the pulverizing box and is arranged in an upwardly inclined manner; the other three walls of the pulverizing box except the feeding port and the top surface are respectively at an angle of 90°.

6. A square-cutter-blade hammer-mill plastic fruit basket shredder according to claim 1, characterized in that: The top plate of the feeding port is arranged in an inclined manner, and the lower end of the top plate extends into the pulverizing box by a certain length.

7. A square-cutter-blade hammer-mill plastic fruit basket shredder according to claim 1, characterized in that: The bottom plate of the feeding port is arranged in an inclined manner, and the lower end of the bottom plate extends into the pulverizing box by a certain length, and an arc-shaped baffle is arranged at the end of the bottom plate and the inner wall of the pulverizing box.

8. A square-cutter-blade hammer-mill plastic fruit basket shredder according to claim 1, characterized in that: The pulverizing box is designed in a split type and is divided into upper and lower parts, the upper half and the lower half of the pulverizing box are hinged at one end through a hinge shaft; the lower half of the pulverizing box is fixedly connected with the bracket.

9. A square-cutter-blade hammer-mill plastic fruit basket shredder according to claim 1, characterized in that: The lower end of the pulverizing box is provided with a discharging chamber, which is funnel-shaped, the bottom surface of the discharging chamber is arranged in a downwardly inclined manner, and the end is provided with a discharging port.