阅读说明：本技术 一种矿用链立环的制造方法 (Manufacturing method of mining chain vertical ring ) 是由 范鹏 陶安祥 陶良凤 张卫新 李剑 吴剑波 董鑫 邵云亮 于 2020-12-08 设计创作，主要内容包括：本发明公开了一种矿用链立环的制造方法,属于链环领域；特点是包括以下操作步骤；步骤一：初步成型；将材料通过加热炉筒将温度升至750-850℃,使用成型模将立环初步成型,并闪光焊接和去刺,得到初步成型立环；步骤二：最终成型；将初步成型立环经过升温加热至750-850℃,通过挤压模及整形模对初步成型立环进行挤压和整形,得到最终成型立环；步骤三：性能试验；取最终成型立环的小样做性能试验,各项性能均满足国家标准的要求。优点是解决了链环的弧形难调整问题,有效控制节距尺寸,为后续生产紧凑链提供保障。缩短了生产时间,可以任意调整尺寸,保证了链环肩部的圆弧尺寸,不受锻造模具的限制,并且降低成本。(The invention discloses a manufacturing method of a mining chain vertical ring, belonging to the field of chain rings; is characterized by comprising the following operation steps; the method comprises the following steps: performing primary molding; heating the material to the temperature of 750-; step two: finally molding; heating the preliminarily formed vertical ring to the temperature of 750-; step three: testing the performance; and (3) taking a small sample of the finally formed vertical ring to perform a performance test, wherein all performances meet the requirements of national standards. The chain link has the advantages that the problem that the arc shape of the chain link is difficult to adjust is solved, the pitch size is effectively controlled, and the guarantee is provided for the subsequent production of compact chains. The production time is shortened, the size can be adjusted at will, the circular arc size of the shoulder of the chain ring is ensured, the limit of a forging die is avoided, and the cost is reduced.)

1. A manufacturing method of a mining chain standing ring is characterized by comprising the following steps: comprises the following steps of; the method comprises the following steps: performing primary molding; heating the material to the temperature of 750-; step two: finally molding; heating the preliminary forming vertical ring (2) to 750-; step three: testing the performance; and (3) taking a small sample of the finally formed vertical ring (5) to perform a performance test, wherein all performances meet the requirements of national standards.

2. The method for manufacturing the mining chain link according to claim 1, characterized in that: the forming die (1) comprises a central push rod, the lower part of the central push rod is provided with a rotator (1-1) with the side edge being concave arc, the middle part of the central push rod is provided with a cylinder (1-2), the upper part of the central push rod is provided with a tetrahedron (1-3), two side faces of the central push rod are provided with asymmetric arc-shaped faces, and the other two side faces are provided with planes.

3. The method for manufacturing the mining chain link according to claim 1, characterized in that: the extrusion die (3) comprises a convex body (3-1), and a cylindrical boss (3-2) is arranged on the convex body (3-1); the lower part of the convex-shaped body (3-1) is rectangular, and the upper part is waist-shaped.

4. The method for manufacturing the mining chain link according to claim 1, characterized in that: the shaping die (4) is arranged into two parts which are matched with each other and are arranged into a convex shape, and a limiting groove is formed in one side, which is contacted with the preliminary forming vertical ring (2), of the shaping die (4).

5. The method for manufacturing the mining chain link according to claim 1, characterized in that: extrusion mould (3) and sizing die (4) mating reaction, extrusion mould (3) set up in the hole of ring (2) is found in preliminary shaping, sizing die (4) set up the straight flange both sides of standing ring (2) in preliminary shaping.

Technical Field

The invention relates to the field of mining chains, in particular to a manufacturing method of a mining chain vertical ring.

Background

The mining compact chain is a matched chain used on a mining scraper conveyor and a scraper reversed loader, the mining chain vertical ring is an important component of the compact chain, and the vertical ring is formed by forging, but the process in the prior art has long production time, difficult size adjustment and high cost; therefore, a new manufacturing method of the mining chain link needs to be designed.

Disclosure of Invention

The invention aims to provide a manufacturing method of a mining chain vertical ring, and solves the technical problems.

In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: a manufacturing method of a mining chain standing ring is characterized by comprising the following steps: comprises the following steps of; the method comprises the following steps: performing primary molding; heating the material to the temperature of 750-; step two: finally molding; heating the preliminarily formed vertical ring to the temperature of 750-; step three: testing the performance; and (3) taking a small sample of the finally formed vertical ring to perform a performance test, wherein all performances meet the requirements of national standards.

Preferably: the forming die comprises a central push rod, the lower portion of the central push rod is provided with a rotator with the side edge being concave arc-shaped, the middle portion of the central push rod is provided with a cylinder, the upper portion of the central push rod is provided with a tetrahedron, two side faces of the central push rod are provided with asymmetric arc-shaped faces, and the other two side faces of the central push rod are provided with planes.

Preferably: the extrusion die comprises a convex body, and a cylindrical boss is arranged on the convex body; the lower part of the convex body is rectangular, and the upper part of the convex body is waist-shaped.

Preferably: the shaping die is set to be two mutually matched and is set to be in a convex shape, and a limiting groove is formed in one side of the shaping die, which is in contact with the primary forming vertical ring.

Preferably: the extrusion die and the shaping die are matched, the extrusion die is arranged in an inner hole of the preliminary forming vertical ring, and the shaping die is arranged on two sides of a straight edge of the preliminary forming vertical ring.

The invention has the beneficial effects; a manufacturing method of a mining chain vertical ring is characterized in that a central push rod working face is subjected to initial forming to weave a ring in a non-centrosymmetric semi-circular arc form, after the ring is woven and formed, the inner circular arc of the chain ring is also non-centrosymmetric, and then after high-temperature heating, the chain ring is extruded and shaped to obtain the finally required finally-formed vertical ring. The extrusion ring produced by the method solves the problem that the arc shape of the chain ring is difficult to adjust, effectively controls the pitch size and provides guarantee for the subsequent production of compact chains. The production time is shortened, the size can be adjusted at will, the circular arc size of the shoulder of the chain ring is guaranteed, the limit of a forging die is avoided, the cost is reduced, the process can be completed on a round-link chain production unit, the use is flexible and convenient, the safety coefficient is high, and the wide application prospect is achieved.

Drawings

FIG. 1 is a schematic view of a forming mold according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of the preliminary forming of the vertical ring of the present invention;

FIG. 4 is a schematic view of the extrusion die of the present invention;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is a schematic view of the extrusion reshaping of the present invention;

FIG. 7 is a schematic view of the final formed stand ring of the present invention;

fig. 8 is a top view of fig. 7.

In the figure: 1. forming a mould; 1-1. a rotator; 1-2, cylinder; 1-3. tetrahedra; 2. preliminarily forming a vertical ring; 3. extruding the die; 3-1, a convex body; 3-2, cylindrical boss; 4. shaping the die; 5. and forming a vertical ring.

Detailed Description

In order to make the objects, technical solutions and advantageous technical effects of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments;

in the drawings: a manufacturing method of a mining chain standing ring comprises the following operation steps; the method comprises the following steps: performing primary molding; heating the material to 750-850 ℃ through a heating furnace cylinder, preliminarily forming the vertical ring by using a forming die 1, and carrying out flash welding and deburring to obtain a preliminarily formed vertical ring 2; step two: finally molding; heating the preliminary forming vertical ring 2 to 750-850 ℃, and extruding and shaping the preliminary forming vertical ring 2 through an extrusion die 3 and a shaping die 4 to obtain a final forming vertical ring 5; step three: testing the performance; and (3) taking a small sample of the finally formed vertical ring 5 to perform a performance test, wherein all performances meet the requirements of national standards.

The forming die 1 comprises a central push rod, the lower part of the central push rod is provided with a rotator 1-1 with the side edge being concave arc, the middle part of the central push rod is provided with a cylinder 1-2, the upper part of the central push rod is provided with a tetrahedron 1-3, two side surfaces of the central push rod are provided with asymmetric arc surfaces, and the other two side surfaces of the central push rod are provided with planes. The extrusion die 3 comprises a convex body 3-1, and a cylindrical boss 3-2 is arranged on the convex body 3-1; the lower part of the convex-shaped body 3-1 is rectangular, and the upper part is waist-shaped. The shaping die 4 set up to two of mutually supporting to set up to the type of protruding, one side that shaping die 4 and preliminary shaping found the ring 2 and contact is provided with the spacing groove. Extrusion die 3 and shaping die 4 combined action, extrusion die 3 sets up in the hole that the ring 2 was found in preliminary shaping, shaping die 4 sets up the straight flange both sides that the ring 2 was found in preliminary shaping.

The invention is implemented specifically as follows: the preliminary shaping of standing the ring adopts non-centrosymmetric semicircle arc form to compile the ring through center push rod working face, compiles the ring shaping back, and the circular arc is also non-centrosymmetric in the chain ring, then after high temperature heating, extrudes the plastic to the chain ring, obtains the final shaping of final needs and stands the ring. The extrusion ring produced by the method solves the problem that the arc shape of the chain ring is difficult to adjust, effectively controls the pitch size and provides guarantee for the subsequent production of compact chains. The production time is shortened, the size can be adjusted at will, the circular arc size of the shoulder of the chain ring is guaranteed, the limit of a forging die is avoided, the cost is reduced, the process can be completed on a round-link chain production unit, the use is flexible and convenient, the safety coefficient is high, and the wide application prospect is achieved. The mining chain vertical ring manufactured by the method has good structural stability, high strength and difficult deformation, can meet various requirements of national standards, and can be produced in batches.

The foregoing examples are given solely for the purpose of illustrating the invention and are not to be construed as limiting the embodiments, and other variations and modifications in form thereof will be suggested to those skilled in the art upon reading the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments and all such obvious variations and modifications are deemed to be within the scope of the invention.