Roller crusher tooth plate fixing structure

Abstract

The utility model discloses a kind of roll crusher tooth plate fixing structure, comprising: roller, tooth plate, fastening screw and locking block;Trapezoidal groove is provided in the circumferential direction of the roller, trapezoidal protrusion corresponding with trapezoidal groove is provided on the position of the bottom of tooth plate and the combination part of roller, and locking groove is opened in trapezoidal protrusion;The locking block is placed in locking groove, and screw hole is opened in the tooth plate relative to locking groove, and fastening screw passes through tooth plate screw hole and fastens locking block.The utility model can solve the security risk that tooth plate is separated from roller, simultaneously solve the problem that crusher tooth plate installation is complicated, disassembly is difficult, and work efficiency is low.

Description

Technical Field

[0001] This utility model belongs to the technical field of roller crushers, and particularly relates to a tooth plate fixing structure for roller crushers. Background Technology

[0002] The toothed rollers of current roller crushers mainly consist of toothed plates and rollers, and most adopt a dovetail tenon and dovetail groove joint structure, with the toothed plates and rollers fixedly connected by bolts. However, this method is prone to loosening, resulting in unreliable fixing and the potential safety hazard of the toothed plates detaching from the rollers.

[0003] In order to solve the above problems, existing technologies have added many components, but this makes it inconvenient to install and disassemble the toothed plate, making the installation and disassembly process time-consuming and labor-intensive, resulting in low work efficiency and high production costs. Utility Model Content

[0004] In order to overcome the shortcomings of existing technologies, the purpose of this utility model is to propose a tooth plate fixing structure for a roller crusher, which can solve the safety hazard of the tooth plate detaching from the roller, and at the same time solve the problems of complicated installation, difficult disassembly, and low working efficiency of crusher tooth plates.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: a roller crusher tooth plate fixing structure, comprising: a roller, a tooth plate, fastening screws, and a locking block;

[0006] A trapezoidal groove is provided in the circumferential direction of the roller, and a trapezoidal protrusion corresponding to the trapezoidal groove is provided at the bottom of the toothed plate and the joint of the roller, and a locking groove is provided on the trapezoidal protrusion.

[0007] The locking block is placed in the locking groove, and a screw hole is provided on the toothed plate relative to the locking groove. The fastening screw passes through the screw hole of the toothed plate to fasten the locking block.

[0008] Furthermore, the locking block is a trapezoidal block, which has a trapezoidal inclined surface with the same angle as the joint part of the roller and the toothed plate.

[0009] Furthermore, the screw holes for mounting and fastening screws on the toothed plate are countersunk holes.

[0010] Furthermore, a flat washer and / or a spring washer are installed between the fastening screw and the screw hole plane of the toothed plate to prevent the fastening screw from loosening.

[0011] The beneficial effects of adopting this technical solution are:

[0012] The proposed roller crusher tooth plate fixing structure is simple in structure and easy to use. Under the premise of ensuring safe production, it realizes the stable fixing of the crusher tooth plate and the quick disassembly and assembly during tooth plate inspection and maintenance. The disassembly and assembly are convenient and quick, saving time and costs, enabling continuous production, greatly improving production efficiency, reducing enterprise production costs, and can be used in large roller crushers with multiple rows of tooth plates assembled in parallel. Attached Figure Description

[0013] Figure 1 This is a partial cross-sectional schematic diagram of a roller crusher tooth plate fixing structure according to the present invention;

[0014] Figure 2 This is a schematic diagram of the installation cross-section of a roller crusher tooth plate fixing structure according to the present invention;

[0015] Among them, 1 is the roller, 2 is the toothed plate, 3 is the fastening screw, 4 is the locking block, 5 is the trapezoidal groove, 6 is the trapezoidal protrusion, 7 is the locking groove, 8 is the screw hole, 9 is the flat washer, and 10 is the spring washer. Detailed Implementation

[0016] To make the purpose, technical solution and advantages of this utility model clearer, the present utility model will be further described below with reference to the accompanying drawings.

[0017] In this embodiment, see Figure 1 and Figure 2 As shown, a toothed plate fixing structure for a roller crusher includes: a roller 1, a toothed plate 2, fastening screws 3, and a locking block 4;

[0018] A trapezoidal groove 5 is provided in the circumferential direction of the roller 1, and a trapezoidal protrusion 6 corresponding to the trapezoidal groove 5 is provided at the bottom of the toothed plate 2 and the joint position of the roller 1, and a locking groove 7 is provided on the trapezoidal protrusion 6.

[0019] The locking block 4 is placed in the locking groove 7, and a screw hole 8 is provided on the toothed plate 2 relative to the locking groove 7. The fastening screw 3 passes through the screw hole 8 of the toothed plate 2 to fasten the locking block 4.

[0020] As an optimized solution of the above embodiment, the locking block 4 is a trapezoidal block, which has a trapezoidal inclined surface with the same angle as the joint part of the roller 1 and the toothed plate 2.

[0021] As an optimization of the above embodiment, the screw hole 8 of the mounting fastening screw 3 provided on the toothed plate 2 is a countersunk hole.

[0022] As an optimization of the above embodiment, a flat washer 9 and / or a spring washer 10 are installed between the fastening screw 3 and the screw hole 8 plane of the toothed plate 2 to prevent the fastening screw 3 from loosening.

[0023] To better understand this utility model, the working principle of this utility model will be described in detail below:

[0024] When it is necessary to fix the toothed plate 2, a fastening screw 3 is used, which passes through the countersunk hole on the toothed plate 2 and connects to the screw hole 8 of the locking block 4; one side of the trapezoidal inclined surface of the locking block contacts one side of the trapezoidal groove 5 of the roller 1; the other side of the trapezoidal inclined surface of the locking block 4 contacts one side of the trapezoidal protrusion 6 of the toothed plate 2, and the other side of the trapezoidal inclined surface on the toothed plate 2 contacts the other side of the trapezoidal groove 5 of the roller 1, thereby fixing the toothed plate 2.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A toothed plate fixing structure for a roller crusher, characterized in that, include: Roller (1), toothed plate (2), fastening screw (3) and locking block (4); A trapezoidal groove (5) is provided in the circumferential direction of the roller (1), and a trapezoidal protrusion (6) corresponding to the trapezoidal groove (5) is provided at the bottom of the toothed plate (2) and the joint position of the roller (1), and a locking groove (7) is provided on the trapezoidal protrusion (6); The locking block (4) is placed in the locking groove (7), and a screw hole (8) is provided on the toothed plate (2) relative to the locking groove (7). The fastening screw (3) passes through the screw hole (8) of the toothed plate (2) to fasten the locking block (4).

2. The toothed plate fixing structure for a roller crusher according to claim 1, characterized in that, The locking block (4) is a trapezoidal block, which has a trapezoidal inclined surface with the same angle as the roller (1) and the toothed plate (2) at the joint part.

3. The toothed plate fixing structure for a roller crusher according to claim 1, characterized in that, The screw holes (8) for mounting and fastening screws (3) provided on the toothed plate (2) are countersunk holes.

4. A roller crusher tooth plate fixing structure according to any one of claims 1-3, characterized in that, A flat washer (9) and / or a spring washer (10) are installed between the fastening screw (3) and the screw hole (8) plane of the toothed plate (2).

Images