Crusher with bin door automatic closing function
By designing an automatically closed bin door structure on the crusher, the dust and heat safety hazards caused by opening the bin door after the crusher is working, and the equipment is compact in structure and convenient in operation.
Patent Information
- Application Number
- CN202422514364.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-17
AI Technical Summary
When existing crushers open the bin door after work, there are safety hazards for operators due to dust and heat.
A crusher with automatic closing function of the bin door is designed. By setting a telescopic cylinder and ear plate seat on the side of the bin box, the automatic closing of the bin door is achieved in combination with the rotary connection structure to avoid manual operation.
The crusher has a compact structure and good operating stability, avoiding scalds and dust inhalation caused by opening and closing the chamber door when feeding, and improving operation safety.
Smart Images
Figure CN223128218U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crushing equipment, and particularly relates to a crusher with an automatic closing function for a bin door. Background Art
[0002] A crusher is also called a stone crusher. It is a crushing machine that can crush the mined raw ore into small particles through extrusion and bending actions during the processing of metal and non-metal ores. Common crushing machines include jaw crushers, gyratory crushers, cone crushers, roll crushers, hammer crushers, and impact crushers, etc. After the crusher works, heat and dust will be generated. There are potential safety hazards of dust and scalding when manually opening the bin door of the crusher. Summary of the Invention
[0003] The utility model mainly solves the deficiencies existing in the prior art, and provides a crusher with an automatic closing function for a bin door, which has the characteristics of compact structure, good operation stability, and convenient operation. It solves the problem that there are potential safety hazards for operators due to heat and dust generated when opening the bin door after crushing.
[0004] The above technical problems of the utility model are mainly solved by the following technical solutions:
[0005] A crusher with an automatic closing function for a bin door includes a crushing bin box. A base is provided at the lower end of the crushing bin box. A crushing knife row assembly is provided inside the crushing bin box. A bin door rotatably connected and fixed to the crushing bin box is provided at the upper part of one side of the crushing bin box. A telescopic cylinder is provided on the side of the crushing bin box. Ear plate seats are provided between the telescopic cylinder and the bin door, and between the telescopic cylinder and the base. The crushing knife row assembly includes a crushing rotating shaft penetrating through the crushing bin box, and a plurality of groups of knife plates distributed in a ring are provided on the crushing rotating shaft.
[0006] Preferably, the knife plates are composed of 2 pieces as a whole structure. Rotor discs nested with the crushing rotating shaft are provided on the outer sides of the two knife plates. A sleeve is provided between the two knife plates. A plurality of through shafts distributed in a ring and penetrating through the knife plates, rotor discs, and the sleeve are provided on the rotor discs.
[0007] Preferably, rotor disc sleeves nested with the crushing rotating shaft are provided between the rotor discs.
[0008] Preferably, belt pulleys are provided on both sides of the crushing rotating shaft and outside the two ends of the crushing bin box. A crushing drive motor belt-nested and driven with the belt pulleys is provided on the base. Bearing seats nested with the crushing rotating shaft are provided between the belt pulleys and the crushing bin box.
[0009] Preferably, a grate bar is provided below each of the crushing rotating shafts, which is located between two sets of overall structural knife plates and is nested with the crushing bin box in an inserted manner. The grate bar plays a role in preventing blockage during the crushing process of the knife plates.
[0010] Preferably, the grate bar is composed of a rear grate bar condition and a front grate bar condition.
[0011] Preferably, the rear grate bar condition and the front grate bar condition are bent at a 90-degree angle. The rear grate bar condition is bent into an obtuse 'V'-shaped structure, and the front grate bar condition is bent into an arc-shaped structure.
[0012] Preferably, the bin door and the crushing bin box are fixed by a rotary connection structure of ear plates and pin shafts.
[0013] The utility model can achieve the following effects:
[0014] The utility model provides a crusher with an automatic closing function for the bin door. Compared with the prior art, it has the characteristics of compact structure, good operation stability, and convenient operation. It solves the problem that opening the bin door after crushing generates heat and dust, posing a safety hazard to operators. Through the automatic closing structure of the bin door, it avoids operators getting close to the equipment for opening and closing during feeding, causing burns and dust inhalation. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural diagram of the closed state of the bin door of the utility model.
[0016] Figure 2 is a schematic structural diagram of the open state of the bin door of the utility model.
[0017] Figure 3 is a schematic structural diagram of the crushing knife row assembly in the utility model.
[0018] Figure 4 is a schematic structural diagram of the grate bar in the utility model.
[0019] In the figure: crushing bin box 1, crushing knife row assembly 2, bin door 3, ear plate seat 4, telescopic cylinder 5, crushing drive motor 6, base 7, knife plate 8, rotor disc 9, sleeve between knife plates 10, through shaft 11, bearing seat 12, pulley 13, crushing rotating shaft 14, sleeve between rotor discs 15, grate bar 16, rear grate bar condition 17, front grate bar condition 18. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The technical solutions of the present utility model will be further specifically described below through examples and in conjunction with the drawings.
[0021] Example: As Figures 1-4As shown in the figure, a crusher with an automatic closing function for the bin door includes a crushing bin box 1. A base 7 is provided at the lower end of the crushing bin box 1. A crushing knife row assembly 2 is provided inside the crushing bin box 1. An upper part on one side of the crushing bin box 1 is provided with a bin door 3 that is rotatably connected and fixed to the crushing bin box 1. The bin door 3 and the crushing bin box 1 are fixed by a rotary connection structure of ear plates and pin shafts. An expansion cylinder 5 is provided on the side of the crushing bin box 1. Ear plate seats 4 are provided between the expansion cylinder 5 and the bin door 3, and between the expansion cylinder 5 and the base 7. The crushing knife row assembly 2 includes a crushing rotating shaft 14 that is inserted through the crushing bin box 1. Pulley wheels 13 are provided on both sides of the crushing rotating shaft 14 and are located outside the two ends of the crushing bin box 1. A crushing drive motor 6 that drives the pulley wheels 13 in a belt nested manner is provided on the base 7. Bearing seats 12 nested with the crushing rotating shaft 14 are provided between the pulley wheels 13 and the crushing bin box 1. There are 10 groups of knife plates 8 on the crushing rotating shaft 14, with 4 pairs in each group and distributed in a ring shape. The knife plates 8 are composed of 2 pieces as a whole structure. Rotor discs 9 nested with the crushing rotating shaft 14 are provided on the outer sides of the two knife plates 8. Rotor disc intermediate sleeves 15 nested with the crushing rotating shaft 14 are provided between the rotor discs 9. A knife plate intermediate sleeve 10 is provided between the two knife plates 8. 4 through shafts 11 that are distributed in a ring shape and penetrate through the knife plates 8, rotor discs 9, and knife plate intermediate sleeves 10 are provided on the rotor discs 9. A grid bar 16 that is inserted into the crushing bin box 1 in a probing manner and is located between two pairs of the whole structure of knife plates 8 is provided below the crushing rotating shaft 14. The grid bar 16 is composed of a rear grid bar condition 17 and a front grid bar condition 18. The rear grid bar condition 17 and the front grid bar condition 18 are in a 90-degree angle bending structure. The rear grid bar condition 17 is in an obtuse 'V'-shaped bending structure, and the front grid bar condition 18 is in an arc-shaped bending structure.
[0022] In summary, the crusher with an automatic closing function for the bin door has the characteristics of a compact structure, good operating stability, and convenient operation. It solves the problem that opening the bin door after crushing generates heat and dust, which poses a safety hazard to the operators. Through the automatic closing structure of the bin door, it is avoided that the operators get scalded and inhale dust when approaching the equipment to open and close during feeding.
[0023] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0024] In summary, the above are only specific embodiments of the present utility model, but the structural features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.
Claims
1. A crusher with an automatic closing function for the bin door, characterized in that: It includes a crushing bin box (1), a base (7) is provided at the lower end of the crushing bin box (1), a crushing knife row assembly (2) is provided inside the crushing bin box (1), a bin door (3) which is rotatably and fixedly connected to the crushing bin box (1) is provided at the upper part of one side of the crushing bin box (1), a telescopic cylinder (5) is provided at the side of the crushing bin box (1), and ear plate seats (4) are provided between the telescopic cylinder (5) and the bin door (3) and between the telescopic cylinder (5) and the base (7); the crushing knife row assembly (2) includes a crushing rotating shaft (14) which is sleeved through the crushing bin box (1), and a plurality of groups of knife plates (8) distributed in a ring are provided on the crushing rotating shaft (14).
2. The crusher with an automatic closing function for the bin door according to claim 1, characterized in that: The knife plates (8) are composed of 2 pieces as a whole structure. A rotor disc (9) nested with the crushing rotating shaft (14) is provided on the outer sides of the two knife plates (8), a sleeve between the knife plates (10) is provided between the two knife plates (8), and a plurality of through shafts (11) distributed in a ring and inserted through the knife plates (8), the rotor disc (9), and the sleeve between the knife plates (10) are provided on the rotor disc (9).
3. A crusher with an automatic closing function for the bin door according to claim 2, characterized in that: A sleeve between the rotor discs (15) nested with the crushing rotating shaft (14) is provided between the rotor discs (9).
4. A crusher with an automatic closing function for the bin door according to claim 2, characterized in that: Pulley wheels (13) are provided on both sides of the crushing rotating shaft (14) outside the two ends of the crushing bin box (1), a crushing drive motor (6) which is belt-nested and driven with the pulley wheels (13) is provided on the base (7), and bearing seats (12) nested with the crushing rotating shaft (14) are provided between the pulley wheels (13) and the crushing bin box (1).
5. A crusher with an automatic closing function for the bin door according to claim 2, characterized in that: A grate bar (16) which is inserted and nested with the crushing bin box (1) is provided below the crushing rotating shaft (14) between two sets of knife plates (8) of the whole structure.
6. The crusher with an automatic closing function for the bin door according to claim 5, characterized in that: The grate bar (16) is composed of a rear grate bar condition (17) and a front grate bar condition (18).
7. A crusher with an automatic closing function for the bin door according to claim 6, characterized in that: The rear grate bar condition (17) and the front grate bar condition (18) are in a 90-degree angle bending structure, the rear grate bar condition (17) is in an obtuse 'V'-shaped bending structure, and the front grate bar condition (18) is in an arc-shaped bending structure.
8. A crusher with an automatic closing function for the bin door according to claim 1, characterized in that: The bin door (3) and the crushing bin box (1) are fixed by a rotary connection structure of ear plates and pin shafts.