Metal scrap shredding machine
By using a combination of a power unit to drive a cam and a gear system, efficient screening and crushing of metal waste is achieved, solving the problem of incomplete crushing, improving screening and crushing efficiency, and ensuring product quality and equipment reliability.
Patent Information
- Application Number
- CN202422971859.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing metal scrap shredders often result in incomplete shredding of some scrap materials when crushing different types of metal scrap, occupying a large space, affecting transportation and storage, and making it impossible to shred the scrap materials again.
The cam is driven to rotate by a power unit. The cam contacts the bottom of the screening seat and pushes it to vibrate up and down. Combined with the buffering and reset effect of the spring, the screening effect is achieved. The meshing of the drive gear and the driven gear drives the crushing roller to rotate synchronously, squeezing and shearing the metal waste. At the same time, a dustproof plate is set to prevent external debris from entering.
It improves screening efficiency and accuracy, ensures timely separation of unqualified metal waste particles, enhances product quality and crushing efficiency, prevents external dust and debris from entering, and extends equipment service life.
Smart Images
Figure CN223629011U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a shredder technical field, concretely is metal scrap shredder. BACKGROUND
[0002] The metal shredder is mainly used for shredding light and thin metal with certain strength, increasing the packing density for convenient transportation and recycling.
[0003] The traditional metal scrap shredder carries out extrusion, shearing and other operations on the metal scrap through high-speed rotating blades or crushing rollers, and the metal scrap is crushed into smaller particles or fragments. In this process, the volume of the metal scrap is significantly reduced, facilitating subsequent transportation, storage and reuse.
[0004] However, in actual crushing work, when crushing different types of metal scrap, the mutual accumulation of metal scrap can lead to incomplete crushing of some scrap, occupying a large amount of space during subsequent transportation and storage, and these incompletely crushed scrap cannot be crushed again, affecting the crushing effect. SUMMARY
[0005] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a metal scrap shredder, which is driven to rotate by a power device, the cam contacts the bottom of the screening seat and pushes it to vibrate up and down, so that the metal fragments on the screen plate are constantly impacted and vibrated, thereby realizing the screening effect. The spring plays a buffering and resetting role, can automatically separate metal fragments of different sizes, improves the screening efficiency and accuracy, so as to separate out metal scrap particles that do not meet the requirements in time, improves the product quality and crushing efficiency.
[0006] To achieve the above-mentioned purpose, according to the first aspect of the utility model embodiment, a metal scrap shredder is provided, which comprises a crushing box, a crushing mechanism and a screening mechanism. The crushing mechanism is arranged in the crushing box and performs crushing work on the metal scrap. The screening mechanism is arranged at the bottom of the crushing mechanism. The screening mechanism comprises a screening seat, a screen plate, a power device and a spring. The crushing box side wall is provided with a screening groove, the screening seat is arranged in the screening groove, the screening seat is provided with a through hole, and the screen plate is slidably arranged on the screening seat. One end of the spring is connected with the bottom of the screening groove, and the other end is connected with the bottom of the screening seat. The power device is arranged on the side wall of the crushing box, and the output end is connected with the cam. The cam is arranged in the screening groove and located at the bottom of the screening seat.
[0007] As a further scheme of the utility model: the smashing mechanism includes drive device, smashing roller, driving gear and driven gear, two smashing rollers are arranged in the smashing box, one end of the two smashing rollers penetrates the smashing box and is connected with the driving gear and the driven gear respectively, the driving gear and the driven gear are engaged with each other.
[0008] As a further scheme of the utility model: the top of the smashing box is provided with a feeding port, hinged grooves are formed in the bottom of both sides of the feeding port, dustproof plates are hingedly arranged in the hinged grooves, torsional springs are arranged at the hinged positions of the dustproof plates and the hinged grooves.
[0009] As a further scheme of the utility model: a hinged door is arranged on the side wall of the smashing box, the hinged door is arranged on the side wall of the screening groove and is used for closing the sieve plate.
[0010] As a further scheme of the utility model: the driving gear and the driven gear are rotatably arranged on the side wall of the smashing box, the side wall of the smashing box is provided with a protective cover, and the driving gear and the driven gear are located in the protective cover.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1. The utility model drives the cam to rotate through the power device, the cam contacts the bottom of the screening seat and pushes it to vibrate up and down, so that the metal fragments on the sieve plate are continuously impacted and vibrated, thereby realizing the screening effect, the spring plays the role of buffering and resetting, and the screening seat can be kept stable and returned to the initial position during the vibration process. Through the vibrating and screening effect of the screening mechanism, different sizes of metal fragments can be automatically separated, the screening efficiency and accuracy are improved, the metal waste particles that do not meet the requirements can be separated in time, and the product quality and crushing efficiency are improved.
[0013] 2. The utility model drives the driving gear to rotate through the drive device, since the driving gear and the driven gear are engaged with each other, the driven gear is driven to rotate synchronously, and then the two smashing rollers are driven to rotate synchronously, and the rotating directions are opposite, when the metal waste enters the smashing box, it is clamped and subjected to extrusion, shearing and other forces by the two rotating smashing rollers, thereby realizing the smashing
[0014] 3. When the metal waste is poured into the feeding port, the dustproof plate is opened under the impact force of the metal waste, so that the metal waste can smoothly enter the smashing box; after the metal waste is poured, the dustproof plate is automatically closed under the resetting force of the torsional spring and returns to the initial position, thereby preventing external dust and sundries from entering the smashing box. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1It is a three-dimensional structure schematic diagram of the metal scrap shredder.
[0016] Figure 2 It is a three-dimensional structure schematic diagram of the crushing mechanism.
[0017] Figure 3 It is a mounting schematic diagram of the screening mechanism.
[0018] Figure 4 It is a three-dimensional structure schematic diagram of the screening mechanism.
[0019] Figure 5 It is a mounting schematic diagram of the dustproof plate.
[0020] Figure 6 It is a three-dimensional structure schematic diagram of the dustproof plate.
[0021] In the figure, the reference signs are as follows: 1, crushing box; 11, screening groove; 12, feeding port; 13, hinged groove; 2, screening seat; 21, through hole; 22, spring; 3, sieve plate; 4, power device; 41, cam; 5, driving device; 51, driving gear; 52, driven gear; 53, crushing roller; 6, dustproof plate; 61, torsion spring; 7, hinged door; 8, protective cover. DETAILED DESCRIPTION
[0022] The technical scheme of the present application will be described clearly and completely below in conjunction with the embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] As shown in the figure, the metal scrap shredder comprises a crushing box 1, a crushing mechanism and a screening mechanism. Figures 1 to 6 The crushing mechanism is arranged in the crushing box 1 and performs crushing work on metal scrap.
[0024] The screening mechanism is arranged at the bottom of the crushing mechanism; the screening mechanism comprises a screening seat 2, a sieve plate 3, a power device 4 and a spring 22; a screening groove 11 is formed in the side wall of the crushing box 1; the screening seat 2 is arranged in the screening groove 11; a through hole 21 is formed in the screening seat 2; the sieve plate 3 is slidingly arranged on the screening seat 2; and a plurality of leakage holes are formed in the sieve plate 3 for screening metal scrap of different sizes.
[0025] One end of the spring 22 is connected to the bottom of the screening groove 11, and the other end is connected to the bottom of the screening seat 2; the power device 4 is arranged in the side wall of the crushing box 1, and its output end is connected to a cam 41; the cam 41 is arranged in the screening groove 11 and located at the bottom of the screening seat 2.
[0026] The crushed metal waste falls into the screening mechanism, the cam 41 is driven to rotate by the power device 4 (preferably an electric motor), the cam 41 is in contact with the bottom of the screening seat 2 and pushes it to vibrate up and down, so that the metal fragments on the screen plate 3 are constantly impacted and vibrated, thereby achieving the screening effect, and the spring 22 plays a buffering and resetting role, ensuring that the screening seat 2 can remain stable during vibration and return to the initial position.
[0027] Through the vibrating and screening effect of the screening mechanism, metal fragments of different sizes can be automatically separated, improving the screening efficiency and accuracy, so as to timely separate metal waste particles that do not meet the requirements, and improve the product quality and crushing efficiency.
[0028] The crushing mechanism comprises a driving device 5, a crushing roller 53, a driving gear 51 and a driven gear 52, two crushing rollers 53 are arranged in the crushing box 1, one end of each of the two crushing rollers 53 penetrates through the crushing box 1 and is connected with the driving gear 51 and the driven gear 52 respectively, and the driving gear 51 and the driven gear 52 are in meshing relationship with each other; and the output end of the driving device 5 drives the driving gear 51 to rotate.
[0029] The driving device 5 (preferably an electric motor) drives the driving gear 51 to rotate, and since the driving gear 51 and the driven gear 52 are in meshing relationship with each other, the driven gear 52 is driven to rotate synchronously, and then the two crushing rollers 53 are driven to rotate synchronously and in opposite directions, so that when the metal waste enters the crushing box 1, it is clamped and subjected to extrusion, shearing and other forces by the two rotating crushing rollers 53, thereby achieving crushing.
[0030] The top of the crushing box 1 is provided with an inlet 12, hinged grooves 13 are formed at the bottom of both sides of the inlet 12, dustproof plates 6 are hingedly arranged in the hinged grooves 13, and torsional springs 61 are arranged at the hinged portions of the dustproof plates 6 and the hinged grooves 13.
[0031] When the metal waste is poured into the inlet 12, the dustproof plates 6 are opened by the impact force of the metal waste, so that the metal waste can smoothly enter the crushing box 1; after the metal waste is poured in, the dustproof plates 6 are automatically closed under the resetting force of the torsional springs 61, and return to the initial position, thereby preventing external dust and sundries from entering the crushing box 1.
[0032] The side wall of the crushing box 1 is provided with a hinged door 7, which is arranged on the side wall of the screening groove 11 and used for closing the screen plate 3.
[0033] The hinged door 7 is arranged to facilitate the removal of the screen plate 3, so that the unqualified waste can be removed and crushed again.
[0034] The driving gear 51 and the driven gear 52 are rotationally arranged on the side wall of the shredding box 1, and the side wall of the shredding box 1 is provided with a protective cover 8, wherein the driving gear 51 and the driven gear 52 are located inside the protective cover 8.
[0035] The protective cover 8 can protect the driving gear 51 and the driven gear 52, and prolong the service life of the equipment.
[0036] The working principle of the utility model is: the metal scrap shredder drives the driving gear 51 to rotate through the driving device 5 in the shredding mechanism, drives the driven gear 52 and the two shredding rollers 53 to synchronously and reversely rotate, and performs extrusion, shearing and other shredding operations on the metal scrap entering the shredding box 1. After the shredded metal scrap falls into the screening mechanism, the cam 41 is driven to rotate through the power device 4, the screening seat 2 and the screen plate 3 are vibrated up and down, the screening of the metal fragments is realized, the spring 22 of the screening groove 11 plays the role of buffering and resetting, the screening seat 2 can keep stable and return to the initial position in the vibration process, the screening efficiency is improved, the unqualified scrap after screening is taken out through the screen plate 3, the shredding work is repeatedly performed, and the shredding efficiency is improved.
[0037] The above embodiments are only used to illustrate the technical method of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.
Claims
1. A metal scrap shredder, comprising a shredding box (1), a shredding mechanism and a screening mechanism, the shredding mechanism is arranged in the shredding box (1) and performs shredding work on metal scrap; the screening mechanism is arranged at the bottom of the shredding mechanism; characterized in that The screening mechanism comprises a screening seat (2), a screen plate (3), a power device (4) and a spring (22), the side wall of the shredding box (1) is provided with a screening groove (11), the screening seat (2) is arranged in the screening groove (11), the screening seat (2) is provided with a through hole (21), the screen plate (3) is slidably arranged on the screening seat (2); one end of the spring (22) is connected with the bottom of the screening groove (11), the other end is connected with the bottom of the screening seat (2), the power device (4) is arranged on the side wall of the shredding box (1), the output end of the power device (4) is connected with a cam (41), the cam (41) is arranged in the screening groove (11) and located at the bottom of the screening seat (2).
2. A metal scrap shredder according to claim 1, characterised in that, The shredding mechanism comprises a driving device (5), a shredding roller (53), a driving gear (51) and a driven gear (52), two shredding rollers (53) are arranged in the shredding box (1), one end of each of the two shredding rollers (53) penetrates the shredding box (1) and is connected with the driving gear (51) and the driven gear (52) respectively, the driving gear (51) and the driven gear (52) are meshed with each other; the output end of the driving device (5) drives the driving gear (51) to rotate.
3. A metal scrap shredder according to claim 1, wherein The top of the shredding box (1) is provided with an inlet (12), the bottom of the inlet (12) is provided with a hinged groove (13) on both sides, a dustproof plate (6) is hingedly arranged in the hinged groove (13), and a torsional spring (61) is arranged at the hinge of the dustproof plate (6) and the hinged groove (13).
4. A metal scrap shredder according to claim 1, wherein The side wall of the shredding box (1) is provided with a hinged door (7), the hinged door (7) is arranged on the side wall of the screening groove (11) and used for closing the screen plate (3).
5. A metal scrap shredder according to claim 2, wherein, The driving gear (51) and the driven gear (52) are rotatably arranged on the side wall of the shredding box (1), and the side wall of the shredding box (1) is provided with a protective cover (8), wherein the driving gear (51) and the driven gear (52) are located in the protective cover (8).