Fast-assembly type machining tool for coal mining machine roller tooth holder production

Abstract

The utility model relates to the technical field of roller production equipment, and discloses a fast-assembly type machining tool for producing a roller tooth holder of a coal mining machine, which comprises a column body, a hollow rod is fixedly connected to the middle of the right side of the column body, tensioning rings are fixedly connected to the right side of the hollow rod, tensioning openings are formed in the inward sides of the multiple tensioning rings, and the tensioning rings are fixedly connected to the right side of the column body. A friction ring is arranged at the position, close to the edge, of the right side of the tensioning ring, an internal thread is formed in the middle of the inner side of the tensioning ring, a bolt is connected to the inner side of the internal thread in a threaded mode, and the left side of the bolt is attached to the right side of the friction ring. According to the tool, the bolt on the tool is rotated through an external hexagon wrench, the tensioning ring of the tool can be automatically expanded in the downward moving process of the matched bolt, and therefore the tool and the tooth holder are tensioned to play a role in fixing and positioning, deviation and sliding in the using process are avoided, the using effect of the device is improved, and the tool is suitable for being used in a large scale. And daily use requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drum production equipment, especially to a quick-mounting type machining tool for coal cutter drum tooth holder production. BACKGROUND

[0002] The coal cutter is the main use mechanical of coal mining and roadway driving, the tooth holder for installing the cutting tooth on the coal cutter drum is one of the easy-wearing parts, the coal cutting tooth is installed on the tooth holder to play the role of coal falling and coal crushing, because the types of cutting tooth used are more when the different rock strata are mined, the types of tooth holder used are also more, because the tooth holder is mostly irregular special-shaped part, the size precision requirement is very high, which often brings some difficulty to production and processing, the coal cutter drum tooth holder is the key component on the coal cutter drum, is used for fixing the cutting tooth and can transmit the engine power to the cutting tooth to realize the coal cutting process, the material selection of the coal cutter drum tooth holder is very important, which directly influences the wear resistance, impact resistance and service life of the tooth holder, the main used tooth holder material has good comprehensive mechanical properties such as strength, toughness, hardenability, weldability and processing formability, is low-alloy super strength steel, and can obtain excellent comprehensive mechanical properties after heat treatment, and is the commonly used material of the coal cutter drum tooth holder.

[0003] The quick-mounting type machining tool for coal cutter drum tooth holder production is a tooling equipment specially designed to improve the production efficiency and quality of the coal cutter drum tooth holder, the quick-mounting type machining tool is a tooling equipment integrating clamping, positioning and quick dismounting, and is particularly suitable for efficient and high-precision production of the coal cutter drum tooth holder, but if the tooth holder is not firmly fixed in the machining process, displacement will be caused under the influence of cutting force and vibration factors, meanwhile, the relative position of the drill bit and the tooth holder changes when drilling, so that the hole position precision cannot be guaranteed, the hole center distance and hole diameter size can deviate, and the tolerance range exceeds the design requirement, which will cause the tooth holder and other components on the coal cutter drum to have assembly problems, influence the assembly precision of the whole coal cutter drum, cause the installation angle of the cutting tooth to be inaccurate, influence the cutting effect of the coal cutter and reduce the coal mining efficiency. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the utility model provides a quick-mounting type machining tool for coal cutter drum tooth holder production, which aims at improving the problems in the prior art that if the tooth holder is not firmly fixed in the machining process, displacement will be caused under the influence of cutting force and vibration factors, the installation angle of the cutting tooth is inaccurate, the cutting effect of the coal cutter is influenced and the coal mining efficiency is reduced.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of quick-mounting type machining tool for coal winning machine drum tooth holder production, including cylinder, the right side middle part of the cylinder is fixedly connected with hollow rod, the right side of the hollow rod is fixedly connected with tightener, the inward side of multiple tighteners is all provided with tightener mouth, the right side near the edge of the tightener is provided with friction circle, the inside middle part of the tightener is provided with internal thread, the inside thread is screw-threaded with bolt, the left side of the bolt and the right side of friction circle are inlaid, the left side of the outer wall of the tightener is fixedly connected with protective strip.

[0006] As further description of the above technical solution:

[0007] The left side middle part of the cylinder is fixedly connected with friction plate.

[0008] As further description of the above technical solution:

[0009] The left side of the outer wall of the cylinder is fixedly connected with reinforcing ring one.

[0010] As further description of the above technical solution:

[0011] The right side of the outer wall of the cylinder is fixedly connected with reinforcing ring two.

[0012] As further description of the above technical solution:

[0013] The left side near the edge of the outer wall of the hollow rod is fixedly connected with friction strip one.

[0014] As further description of the above technical solution:

[0015] The right side near the edge of the outer wall of the hollow rod is fixedly connected with friction strip two.

[0016] The utility model has the advantages of:

[0017] 1、 in the utility model, the bolt on the tool is rotated by the lent wrench, and is connected with the internal thread on the tightener, and the tightener of the tool is automatically expanded during the downward movement of the bolt, so that the tool and the tooth holder are expanded and fixed and positioned, so that the offset and sliding during use are avoided, the use effect of the device is improved, and the daily use demand is met. ACCURACY OF DRAWINGS

[0018] Figure 1 A front side perspective view of the quick-mounting type machining tool for coal winning machine drum tooth holder production is provided for the utility model;

[0019] Figure 2 A sectional view of the quick-mounting type machining tool for coal winning machine drum tooth holder production is provided for the utility model;

[0020] Figure 3 The partial structure split drawing of the quick-mounting type machining tool for the production of the shearer drum tooth seat is provided in the utility model.

[0021] Figure 4 The partial structure display drawing of the quick-mounting type machining tool for the production of the shearer drum tooth seat is provided in the utility model.

[0022] Figure 5 The partial structure split drawing of the quick-mounting type machining tool for the production of the shearer drum tooth seat is provided in the utility model.

[0023] Legend:

[0024] 1, cylinder; 2, hollow rod; 3, expansion ring; 4, bolt; 5, expansion port; 6, protective strip; 7, friction plate; 8, reinforcing ring one; 9, reinforcing ring two; 10, friction strip one; 11, friction strip two; 12, internal thread; 13, friction circle. Specific implementation

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to the drawings in the embodiments of the utility model Figure 1 - the drawings in the embodiments of the utility model Figure 3 The utility model provides an embodiment: a quick-mounting type machining tool for the production of a shearer drum tooth seat, which comprises a cylinder 1, a hollow rod 2 is fixedly connected to the right middle part of the cylinder 1, expansion rings 3 are fixedly connected to the right sides of the hollow rods 2, a plurality of expansion rings 3 are fixedly connected to the right sides of the hollow rods 2, the expansion rings 3 are evenly distributed on the right sides of the hollow rods 2, expansion ports 5 are formed in the inward sides of the plurality of expansion rings 3, the expansion ports 5 are designed to enable the expansion rings 3 to moderately deform under stress, so that the expansion rings 3 can more closely fit and fix the fixed objects, friction circles 13 are arranged on the right sides of the expansion rings 3 close to the edges, internal threads 12 are formed in the inner sides of the expansion rings 3, bolts 4 are screw-connected to the inner sides of the internal threads 12, the left sides of the bolts 4 are in close contact with the right sides of the friction circles 13, protective strips 6 are fixedly connected to the left sides of the outer walls of the expansion rings 3, the left sides of the outer walls of the expansion rings 3 are also fixedly connected with protective strips 6, the protective strips 6 are wear-resistant, reinforcing ring one 8 is fixedly connected to the left sides of the outer walls of the cylinder 1.

[0027] Specifically, the right side of the middle part of the column 1 is fixedly connected with a hollow rod 2 through a stable connection, which provides structural support and functional expansion, ensuring stability and balance in application, and the inner side of the tension ring 3, that is, the side facing the object to be fixed, is provided with a tension opening 5, realizing firm connection, and the friction ring 13 can provide additional friction when in contact with the object to be fixed, enhancing the stability of the fixed, the durability and protection of the tension ring 3 during use can effectively prevent external factors from damaging the tension ring 3, prolonging its service life.

[0028] Please refer to the attached Figure 4 - attached Figure 5 , the left side of the column 1 is fixedly connected with a friction plate 7, and the right side of the outer wall of the column 1 is fixedly connected with a reinforcing ring 9 to ensure that the stress from the column 1 and its connected parts can be effectively dispersed and borne, and the outer wall of the hollow rod 2 is fixedly connected with friction strips 10 near the edge, which are made of high-friction coefficient materials and can provide additional friction when in contact with adjacent components, and the outer wall of the hollow rod 2 is fixedly connected with friction strips 11 near the edge, which can further improve the connection strength between the hollow rod 2 and adjacent components by increasing the friction strips 11.

[0029] Specifically, a high-performance friction plate 7 is fixedly connected through the left side of the column 1, which provides stable friction and good wear resistance to adapt to various working environments and load conditions, and enhances the connection stability between the column 1 and adjacent components, and the reinforcing ring 9 is made of high-strength material to enhance the stability and reliability of the connection, which can also prevent the hollow rod 2 from slipping and loosening under stress to some extent, ensuring the stability and safety of the entire structure.

[0030] Working principle: first, fix the chuck on the working surface of the machining center, then clamp the work on the chuck, and when machining the tooth seat, place the tooth seat on the tooling, turn the bolt 4 on the tooling with an inner hex wrench, and connect it with the inner thread 12 on the tension ring 3, and the bolt 4 will automatically expand the tension ring 3 of the tooling during downward movement, thereby fixing and positioning the tooling and the tooth seat, thus avoiding deviation and sliding during use, thereby improving the use effect of the device and meeting the daily use demand.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A quick-mounting machining tool for producing a shearer drum tooth holder, comprising a column body (1), characterized in that: The right side of the middle part of the column (1) is fixedly connected with a hollow rod (2), the right side of the hollow rod (2) is fixedly connected with a tight ring (3), the inward side of a plurality of the tight ring (3) is provided with a tight ring (5), the right side of the tight ring (3) is provided with a friction ring (13) near the edge, the inner side of the tight ring (3) is provided with an internal thread (12) in the middle part, the internal thread (12) is screw connected with a bolt (4), the left side of the bolt (4) is combined with the right side of the friction ring (13), the outer wall of the tight ring (3) is fixedly connected with a protective strip (6) on the left side.

2. The quick-mounting machining tooling for producing a shearer drum tooth holder according to claim 1, characterized in that: The left side of the middle part of the column (1) is fixedly connected with a friction plate (7).

3. The quick-mounting machining tool for producing a shearer drum tooth holder according to claim 1, characterized in that: The left side of the outer wall of the column (1) is fixedly connected with a reinforcing ring one (8).

4. The quick-mounting machining tool for producing a shearer drum tooth holder according to claim 1, characterized in that: The right side of the outer wall of the column (1) is fixedly connected with a reinforcing ring two (9).

5. The quick-mounting machining tool for producing a shearer drum tooth holder according to claim 1, characterized in that: The left side of the outer wall of the hollow rod (2) is fixedly connected with a friction strip one (10) near the edge.

6. The quick-mounting machining tool for producing a shearer drum tooth holder according to claim 1, characterized in that: The right side of the outer wall of the hollow rod (2) is fixedly connected with a friction strip two (11) near the edge.

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