Wear-resistant crushing cutter head capable of preventing chips from falling off

Abstract

According to the abrasion-resistant crushing cutter head capable of preventing chipping falling, the crushing cutter assembly is installed on the rotating disc base, the crushing cutter assembly is formed by arranging the multiple double-blade cutters on the rotating disc base at equal angles, and each double-blade cutter is composed of a three-blade cutter head and a V-shaped single-blade cutter, so that stress concentration can be reduced; meanwhile, an hourglass type spiral cutter is axially connected to the upper part of the turntable base in a transmission manner, the hourglass type spiral cutter consists of two groups of conical spiral cutter heads, and the smaller ends of the two spiral cutter heads are opposite, are fixedly mounted on a transmission shaft and are driven to rotate by a motor; the stress concentration is reduced by enlarging the blade stress surfaces of the double-blade cutters and the hourglass-shaped spiral cutters, so that the crushing cutter head is more wear-resistant and capable of preventing chips from falling off, the service life of the blades is prolonged, the maintenance cost is reduced, the possible damage to equipment is reduced, and the production safety is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of cutter discs, in particular to a wear-resistant and chip-proof crushing cutter disc. Background Art

[0002] The crushing disc is a rotating part in the crusher used to cut and crush materials. It is usually composed of multiple sharp blades installed on a rotating shaft. When the machine is started, the disc will rotate at high speed and crush the material into smaller particles through the shearing, impact and friction of the blades.

[0003] Existing pulverizer blades are prone to wear and chipping during long-term, high-intensity use, which not only reduces the service life of the blades and increases maintenance costs, but may also damage the equipment and affect production safety.

[0004] Therefore, in view of the shortcomings of the prior art, it is necessary to provide a wear-resistant and anti-chipping crushing cutter disc to solve the shortcomings of the prior art. Utility Model Content

[0005] The purpose of the utility model is to avoid the shortcomings of the prior art and provide a wear-resistant and anti-chipping crushing cutter disc, including a crushing tool assembly installed on a turntable base, the crushing tool assembly is a plurality of double-edged tools arranged at equal angles on the turntable base, wherein the double-edged tool includes a tool holder, and a three-edged tool head and a V-shaped single-edged tool are installed on one side of the tool holder from top to bottom. At the same time, an hourglass-shaped spiral tool is axially connected to the top of the turntable base, and the hourglass-shaped spiral tool includes two groups of conical spiral tool heads, and the smaller ends of the two spiral tool heads are relatively and fixedly installed on the transmission shaft.

[0006] The above-mentioned purpose of the utility model is achieved through the following technical means.

[0007] Provided is a wear-resistant and chip-proof crushing cutter disc, comprising a base, a motor embedded in the base, the motor axially connected to a turntable base, the turntable base being a frustum structure, a crushing tool assembly mounted on the turntable base, the crushing tool assembly comprising a plurality of double-edged tools, the plurality of double-edged tools being arranged at equal angles on the turntable base, an hourglass-shaped spiral tool being axially connected to the top of the turntable base.

[0008] Specifically, the double-edged tool includes a tool holder, and a three-edged tool head and a V-shaped single-edged tool are installed on one side of the tool holder from top to bottom. The V-shaped single-edged tool includes two arc-shaped blades, the two arc-shaped blades are integrally formed, and the V-shaped single-edged tool is fixedly installed on the tool holder.

[0009] Preferably, the three-blade cutter head includes four triangular blades, which are fixedly connected to each other to form a three-blade structure, and the triangular blades are all fixedly mounted on the cutter seat.

[0010] The hourglass-shaped spiral cutter comprises a transmission shaft, which is axially connected to a turntable base. Two sets of spiral cutter heads are fixedly mounted on the transmission shaft. The spiral cutter heads are conical, and the smaller ends of the two spiral cutter heads are opposite and fixedly mounted on the transmission shaft.

[0011] A circular groove is provided on the turntable base at a position close to the hourglass-shaped spiral cutter, a conversion joint is installed at the bottom of the truncated table, and the conversion joint is plugged into the output end of the motor.

[0012] The hourglass-shaped spiral cutter and the double-edged cutter are both plugged into the turntable base.

[0013] The utility model reduces stress concentration by increasing the blade stress surface of the double-edged tool and the hourglass-shaped spiral tool. It mainly arranges a plurality of double-edged tools at equal angles on a turntable base. The double-edged tool is composed of a three-edged tool head and a V-shaped single-edged tool, which increases the blade stress surface. An hourglass-shaped spiral tool is axially connected to the top of the turntable base. The hourglass-shaped spiral tool includes two groups of conical spiral tool heads, which increase the blade stress surface, reduce stress concentration, and make the crushing cutter disc more wear-resistant and anti-chipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described with reference to the accompanying drawings, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0015] Figure 1 The utility model is a front view of the overall structure of a wear-resistant and chip-proof crushing cutter disc.

[0016] Figure 2 The utility model is a top view of the overall structure of a wear-resistant and chip-proof crushing cutter disc.

[0017] from Figure 1 to Figure 2 Including:

[0018] 1. Base;

[0019] 2. Motor;

[0020] 3. Turntable base;

[0021] 4. Crushing tool assembly;

[0022] 5. Double-edged knives;

[0023] 51. Knife holder, 52. Three-edged knife head, 53. V-shaped single-edged knife, 54. Curved blade, 55. Triangular blade;

[0024] 6. Hourglass-shaped spiral cutter;

[0025] 61. transmission shaft, 62. spiral cutter head;

[0026] 7. Circular groove;

[0027] 8. Conversion connector. DETAILED DESCRIPTION

[0028] The utility model is further described in conjunction with the following embodiments.

[0029] Example 1.

[0030] like Figure 1-2 As shown, a wear-resistant and chip-proof crushing cutter disc comprises a base 1, in which a motor 2 is embedded, and the motor 2 is axially connected to a turntable base 3, the turntable base 3 is a truncated cone structure, and a crushing tool assembly 4 is installed on the turntable base 3, and the crushing tool assembly 4 comprises a plurality of double-edged tools 5, and the plurality of double-edged tools 5 are arranged at equal angles on the turntable base 3, and an hourglass-shaped spiral tool 6 is axially connected above the turntable base 3. Compared with the existing tools, the hourglass-shaped spiral tool 6 has a larger blade force surface, reduces stress concentration, and makes the crushing cutter disc more wear-resistant and chip-proof.

[0031] like Figure 1-2 As shown, the double-edged tool 5 includes a tool holder 51, and a three-edged tool head 52 and a V-shaped single-edged tool 53 are installed on one side of the tool holder 51 from top to bottom. The V-shaped single-edged tool 53 includes two arc-shaped blades 54, and the two arc-shaped blades 54 are integrally formed. The V-shaped single-edged tool 53 is fixedly installed on the tool holder 51. The V-shaped structure of the V-shaped single-edged tool 53 can ensure that the force-bearing surface of the tool body is larger while having the characteristics of lighter weight, which is convenient for rotating and crushing materials.

[0032] like Figure 1-2 As shown, the three-blade cutter head 52 includes four triangular blades 55 . The four triangular blades 55 are fixedly connected to form a three-blade structure, which can increase the crushing efficiency while ensuring a larger force-bearing surface of the cutter body. The triangular blades 55 are all fixedly mounted on the cutter seat 51 .

[0033] like Figure 1-2 As shown, the hourglass-shaped spiral tool 6 includes a transmission shaft 61, which is axially connected to the turntable base 3. Two sets of spiral cutter heads 62 are fixedly installed on the transmission shaft 61. The spiral cutter heads 62 are conical in shape. The smaller ends of the two spiral cutter heads 62 are opposite and fixedly installed on the transmission shaft 61, so that large pieces of material can be evenly crushed in the spiral cutter heads 62. The hourglass-shaped spiral tool 6 can improve the working efficiency of the crushing cutter disc.

[0034] like Figure 1-2 As shown, the turntable base 3 is provided with a circular groove 7 near the hourglass-shaped spiral cutter, and a conversion joint 8 is installed at the bottom of the truncated table. The conversion joint 8 is plugged into the output end of the motor 2 for easy disassembly, and the hourglass-shaped spiral cutter 6 and the double-edged cutter 5 are both plugged into the turntable base 3 for easy disassembly.

[0035] In this embodiment, the number of double-edged cutters 5 is eight, and the specific number of double-edged cutters 5 can be adjusted according to actual conditions and is not limited to eight. The larger the turntable base 3 is, the more double-edged cutters 5 can be used to ensure the reliability of the structure.

[0036] The utility model includes a crushing tool assembly 4 installed on a turntable base 3, the crushing tool assembly 4 is eight double-edged tools 5 arranged at equal angles on the turntable base 3, wherein the double-edged tools 5 are composed of a three-edged tool head 52 and a V-shaped single-edged tool 53, which can reduce stress concentration, and at the same time, an hourglass-shaped spiral tool 6 is axially connected to the turntable base 3, the hourglass-shaped spiral tool 6 is composed of two groups of conical spiral tool heads 62, the smaller ends of the two spiral tool heads 62 are relatively and fixedly installed on a transmission shaft 61 and driven to rotate by a motor 2, and stress concentration is reduced by increasing the blade force surface of the double-edged tools 5 and the hourglass-shaped spiral tool 6, so that the crushing cutter disc is more wear-resistant and anti-chipping, the service life of the blade is increased, the maintenance cost is reduced, the possible damage to the equipment is reduced, and production safety is guaranteed.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit the protection scope of the utility model. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A wear-resistant and anti-chipping pulverizing blade, comprising a base, characterized in that: A motor is embedded in the base, and the motor is axially connected to a turntable base. The turntable base is a truncated cone structure. A crushing tool assembly is installed on the turntable base. The crushing tool assembly includes a plurality of double-edged tools. The plurality of double-edged tools are arranged at equal angles on the turntable base. An hourglass-shaped spiral tool is axially connected to the top of the turntable base.

2. The wear-resistant and chip-proof crushing blade according to claim 1, characterized in that: The double-edged knife comprises a knife seat, and a three-edged knife head and a V-shaped single-edged knife are installed on one side of the knife seat from top to bottom. The V-shaped single-edged knife comprises two arc-shaped blades, and the two arc-shaped blades are integrally formed. The V-shaped single-edged knife is fixedly installed on the knife seat.

3. The wear-resistant and chip-proof crushing blade according to claim 2, characterized in that: The three-blade cutter head comprises four triangular blades, the four triangular blades are fixedly connected to each other to form a three-blade structure, and the triangular blades are all fixedly mounted on the cutter seat.

4. The wear-resistant and chip-proof crushing blade according to claim 3, characterized in that: The hourglass-shaped spiral cutter comprises a transmission shaft, which is axially connected to the turntable base. Two sets of spiral cutter heads are fixedly mounted on the transmission shaft. The spiral cutter heads are conical, and the smaller ends of the two spiral cutter heads are opposite and fixedly mounted on the transmission shaft.

5. The wear-resistant and chip-proof crushing blade according to claim 4, characterized in that: The turntable base is provided with a circular groove at a position close to the hourglass-shaped spiral cutter, and a conversion joint is installed at the bottom of the truncated table, and the conversion joint is plugged into the output end of the motor.

6. The wear-resistant and chip-proof crushing blade according to claim 5, characterized in that: The hourglass-shaped spiral cutter and the double-edged cutter are both plugged into the turntable base.

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