A durable, non-wearing pulverizer housing

Abstract

This utility model relates to the field of crushers, specifically a durable and wear-resistant crusher housing. It includes a housing, a door, and a pin. One end of the housing has two parallel connecting ears. The surfaces of the two connecting ears facing away from each other are provided with grooves, and the surfaces of the two ears facing each other are provided with protrusions corresponding to the grooves. Each connecting ear has a shaft hole (first hole) coaxially penetrating the groove and the protrusion. One end of the door has a rotating frame with two opposing convex rings. The rotating frame has a second shaft hole (second hole) penetrating the convex rings, coaxial with the second shaft hole. The outer end of the second shaft hole has a flared portion that rotates at the protrusion, and the flared portion rotatably contacts the protrusion. The pin is inserted and installed at the two shaft holes (first hole and second hole). This utility model reduces wear on the door, ensures smooth opening and closing of the door, and minimizes noise.

Description

Technical Field

[0001] This utility model relates to the field of crushers, and in particular to a durable and wear-resistant crusher housing. Background Technology

[0002] A crusher can crush materials. The crushing structure needs to be installed inside the crusher housing, and the housing needs to have pre-drilled openings to facilitate the disassembly, assembly, maintenance, and repair of the structure. For existing crusher housings, a pin is generally used to achieve relative rotation between the door and the housing, allowing the door to rotate inward to cover the pre-drilled opening, or to rotate outward to open.

[0003] However, in the existing rotating structure of the crusher casing, the contact area between the door and the pin is small, the wear rate of the contact area is fast, and there is also contact between the door and the casing, which also leads to faster wear. Ultimately, this results in the door not opening and closing smoothly. In addition, the vibration of the crusher itself during operation will also cause the door to shake and generate a lot of noise. Utility Model Content

[0004] The purpose of this invention is to address the problems existing in the background technology by proposing a durable and wear-resistant crusher shell that can reduce wear on the door, ensure smooth opening and closing of the door, and prevent excessive noise.

[0005] The present invention provides a durable and wear-resistant crusher housing, comprising a housing, a door, and a pin. One end of the housing has two parallel connecting ears. Each connecting ear has a groove on its opposite side surface and a corresponding protrusion on its opposite side surface. Each connecting ear has a coaxial shaft hole (first hole) that passes through both the groove and the protrusion. One end of the door has a rotating frame with two opposing convex rings. The rotating frame has a second shaft hole (second hole) that passes through the convex rings. The second shaft hole (second hole) is coaxial with the first shaft hole, and its outer end has a flared portion that rotates at the protrusion, making rotatable contact with the protrusion. The pin is inserted and installed at the two shaft holes (first hole and second hole).

[0006] Preferably, the groove is an annular groove, the protrusion is an annular structure, and the flared part is arc-shaped and flared outward along the two axes of the shaft hole.

[0007] Preferably, the outer diameter of the protrusion is larger than the diameter of the inner end of the flared portion and smaller than the diameter of the outer end of the flared portion.

[0008] Preferably, the outer diameter of the convex ring gradually decreases in the direction away from the flared portion.

[0009] Preferably, the other end of the box has two connecting plates arranged side by side, the connecting plates protrude forward from the edge of the box, and the rear end of the connecting plates is rotatably provided with a connector, the connector being threadedly connected to a knob. The other end of the box door has a pressure frame, the pressure frame having outwardly distributed channels for the connector to move in or out, and the knob being locked against the outer surface of the pressure frame.

[0010] Preferably, the connector includes a rotating shaft and a screw that are integrally connected in a "T" shape. The rotating shaft is rotatably mounted on two connecting plates, the outer end of the screw has an external thread, and the knob has an internal thread that matches the external thread.

[0011] Compared with the prior art, the present invention has the following beneficial technical effects: The flared part of the present invention contacts the protruding part, and the protruding part of the lower connecting ear supports the lower flared part of the rotating frame part. The contact area is small, thereby reducing the wear of the rotating area of ​​the door. The pin is inserted into the shaft hole one and shaft hole two. The pin has a large rotational contact area with the entire rotating frame part, which makes it easy to rotate smoothly. The wear of the contact area between the rotating frame part, the connecting ear and the pin is reduced in a comprehensive manner, ensuring that the door opens and closes smoothly without generating much noise. Attached Figure Description

[0012] Figure 1 This is a structural diagram of the present invention with the box door open; Figure 2 Exploded cross-sectional view of the connection principle structure of the connecting ear, rotating frame and pin; Figure 3 This is a structural diagram of the present invention with the door closed.

[0013] Reference numerals: 1. Box body; 101. Opening; 11. Connecting ear; 110. Shaft hole one; 111. Groove; 112. Protrusion; 12. Connecting plate; 2. Box door; 21. Rotating frame; 211. Protruding ring; 212. Shaft hole two; 2121. Flared opening; 22. Pressure-bearing frame; 221. Channel; 3. Pin; 4. Connecting piece; 5. Knob. Detailed Implementation

[0014] like Figures 1-3 As shown in the figure, the durable and wear-resistant crusher housing proposed in this embodiment includes a housing 1, a door 2, and a pin 3.

[0015] The front end of the housing 1 has an opening 101, which is covered by the door 2 when closed. The bottom of the housing 1 has mounting holes for mounting the outer casing. One end of the housing 1 has two side-by-side connecting ears 11, which can be welded together. Each of the two connecting ears 11 has a groove 111 on its opposite side surface and a corresponding protrusion 112 on its opposite side surface. During machining, the connecting ears 11 are punched from one side surface to create the groove 111 and the protrusion 112 on the other side. The groove 111 is an annular groove, and the protrusion 112 is an annular structure; the groove 111 and the protrusion 112 are coaxially distributed. The connecting ear 11 has a shaft hole 110 coaxially penetrating the groove 111 and the protrusion 112, which is coaxially distributed with the protrusion 112. The other end of the housing 1 has two side-by-side connecting plates 12, which can be connected by welding. The connecting plates 12 protrude forward from the edge of the housing 1, and the rear end of the connecting plates 12 is rotatably provided with a connector 4. The connector 4 is threadedly connected to a knob 5, which can be screwed in or out on the connector 4.

[0016] The door 2 has a rotating frame 21 at one end, which is welded together. The rotating frame 21 has two opposing convex rings 211, the outer diameter of which gradually decreases away from the flared opening 2121. The rotating frame 21 has a second shaft hole 212 that passes through the convex rings 211, and the second shaft hole 212 is coaxial with the convex rings 211. After the door 2 is installed on the housing 1, the second shaft hole 212 is coaxial with the first shaft hole 110. The outer end of the second shaft hole 212 has a flared opening 2121 that rotates at the protrusion 112. The flared opening 2121 is arc-shaped and flares outward along the axial direction of the second shaft hole 212, and the flared opening 2121 is in rotatable contact with the protrusion 112. The outer diameter of the protrusion 112 is larger than the diameter of one inner end of the flared portion 2121, and the outer diameter of the protrusion 112 is smaller than the diameter of one outer end of the flared portion 2121. This means that the outer end of the protrusion 112 will contact the area between the inner and outer ends of the flared portion 2121, acting as a separator to separate the rotating frame 21 from the main planar surface of the connecting ear 11. The other end of the door 2 has a pressure-bearing frame 22, specifically welded together. The pressure-bearing frame 22 has outwardly distributed channels 221 for the connecting piece 4 to move in or out. When the knob 5 is locked, it abuts against the outer surface of the pressure-bearing frame 22, thereby locking the door 2.

[0017] like Figure 3As shown, for the connection between connector 4 and other structures, specifically, connector 4 includes a rotating shaft and a screw part integrally connected in a "T" shape. The rotating shaft is rotatably mounted on two connecting plates 12. The outer end of the screw part has an external thread, and the knob 5 has an internal thread adapted to the external thread. The knob 5 can be screwed in or out on the screw part by rotating it in both directions. Before closing the box door 2, first turn connector 4 outward, then turn the box door 2 inward to cover the opening 101. Next, turn connector 4 outward, and the screw part rotates to the inside of the channel 221. Finally, rotate the knob 5, and the knob 5 locks onto the outer surface of the pressure frame 22, thereby closing the box door 2.

[0018] like Figure 1 and Figure 2 As shown, the pin 3 is inserted into two shaft holes 110 and two shaft holes 212. The diameter of the top end of the pin 3 is larger than the diameter of the lower main body, so it can rest on the connecting lug 11. When the door 2 rotates, it is rotatably connected to the pin 3 through the shaft hole 212. The flared part 2121 of the rotating frame part 21 contacts the protrusion 112, resulting in minimal wear.

[0019] In this embodiment, the flared portion 2121 contacts the protrusion 112. The protrusion 112 of the lower connecting ear 11 supports the lower flared portion 2121 in the rotating frame portion 21, resulting in a small contact area and reducing wear on the rotating area of ​​the door 2. The pin 3 is inserted into the first shaft hole 110 and the second shaft hole 212. Since the second shaft hole 212 also includes the area inside the protruding ring portion 211, the rotational contact area between the pin 3 and the entire rotating frame portion 21 is large, facilitating smooth rotation. This comprehensively reduces wear on the contact areas between the rotating frame portion 21, the connecting ear 11, and the pin 3, ensuring smooth opening and closing of the door 2 without generating significant noise. Furthermore, when the door 2 is closed, the knob 5 is locked to the outside of the pressure frame 22, which presses against the outer end of the connecting plate 12. The connecting plate 12 has high structural strength, ensuring a secure and tight closure of the door 2.

[0020] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A durable and wear-resistant pulverizer casing, characterized in that, include: The housing (1) has two connecting ears (11) arranged side by side at one end. The two connecting ears (11) are provided with grooves (111) on the opposite side surface and protrusions (112) corresponding to the grooves (111) on the opposite side surface. The connecting ears (11) have a shaft hole (110) that coaxially passes through the grooves (111) and the protrusions (112). The door (2) has a rotating frame (21) at one end. The rotating frame (21) has two oppositely distributed protruding rings (211). The rotating frame (21) has a shaft hole (212) that passes through the protruding rings (211). The shaft hole (212) is coaxial with the shaft hole (110). The outer end of the shaft hole (212) has a flared part (2121) that rotates at the protrusion (112). The flared part (2121) rotates and contacts the protrusion (112). The pin (3) is inserted into two shaft holes (110) and two shaft holes (212).

2. The durable and wear-resistant crusher housing according to claim 1, characterized in that, The groove (111) is a circular groove, the protrusion (112) is a circular structure, and the flared part (2121) is arc-shaped and flared outward along the axial direction of the shaft hole (212).

3. The durable and wear-resistant crusher housing according to claim 2, characterized in that, The outer diameter of the protrusion (112) is greater than the inner diameter of the flared part (2121) and smaller than the outer diameter of the flared part (2121).

4. The durable and wear-resistant crusher housing according to claim 1, characterized in that, The outer diameter of the convex ring (211) gradually decreases in the direction away from the flared part (2121).

5. A durable and wear-resistant pulverizer housing according to claim 1, characterized in that, The other end of the box (1) has two connecting plates (12) arranged side by side. The connecting plates (12) extend forward and protrude from the edge of the box (1). The rear end of the connecting plates (12) is rotatably provided with a connector (4). The connector (4) is threadedly connected with a knob (5). The other end of the box door (2) has a pressure frame (22). The pressure frame (22) has outwardly distributed channels (221) for the connector (4) to move in or out. When the knob (5) is locked, it is pressed against the outer surface of the pressure frame (22).

6. A durable and wear-resistant pulverizer housing according to claim 5, characterized in that, The connector (4) includes a rotating shaft and a screw that are integrally connected in a "T" shape. The rotating shaft is rotatably mounted on two connecting plates (12). The outer end of the screw has an external thread, and the knob (5) has an internal thread that is compatible with the external thread.

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