Practical device for machining eccentric transmission shaft frame through common horizontal lathe

Abstract

The utility model discloses a practical device for processing an eccentric transmission shaft frame by a common horizontal lathe, which comprises a mandrel, two ends of the mandrel are respectively connected with a first positioning flange and a second positioning flange, the eccentric transmission shaft frame is sleeved on the mandrel between the first positioning flange and the second positioning flange, the first positioning flange is fixedly connected with the mandrel, and the second positioning flange is fixedly connected with the mandrel. The first positioning flange and the second positioning flange are connected with the two ends of the eccentric transmission shaft frame through bolts respectively, the eccentric transmission shaft frame at least comprises one or two eccentric step cylindrical base faces, and the core shaft comprises a first axis penetrating through the axis of the core shaft. The distance between the axis of the eccentric step cylindrical base surface and the first axis is not larger than the radius value of the section of the mandrel. The utility model provides a practical device capable of machining the eccentric transmission shaft frame on a common horizontal lathe, so that the machining precision of the eccentric transmission shaft frame can be ensured, the requirement on the level and experience of operators is not too high, and the machining economy is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of crushing equipment processing, in particular to a practical device for processing an eccentric transmission shaft frame of a common horizontal lathe. Background Art

[0002] The processing of the eccentric transmission shaft frame of the single-cylinder cone crusher is similar to that of the eccentric shaft, but there are some differences. Because the usage is not large, the traditional methods are used for processing: 1. The lathe three-claw clamping and shim method. This method requires the eccentricity error value to be tested after the test run, and then a shim is placed on one of the three claws of the horizontal car before processing; 2. The method of adding counterweights. This method requires adding counterweights to the workpiece to make the workpiece reach static balance before processing; 3. Boring outer circle method of boring machine; 4. CNC processing method. Among these four methods, method one is relatively simple, but the processing accuracy of the workpiece depends entirely on the operator's level and experience, and the efficiency is extremely low; method two requires the operator to find the position of the counterweight, and the weight of the counterweight needs to be calculated in order to achieve static balance, which is relatively inefficient; method three is the simplest to process, but the efficiency is also not high; method four is the direction of mechanical processing, but it requires the purchase of related equipment, which is expensive. The first three methods are inefficient and time-consuming; the fourth method has poor processing economy. Utility Model Content

[0003] In view of the above problems, the utility model provides a practical device for processing an eccentric transmission shaft frame on an ordinary horizontal car, which can not only ensure the processing accuracy of the eccentric transmission shaft frame, but also does not require the operator to have too high a level and experience, and the processing economy is better.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a practical device for processing an eccentric transmission shaft frame on an ordinary horizontal lathe, comprising a core shaft, wherein the two ends of the core shaft are respectively connected to a first positioning flange and a second positioning flange, an eccentric transmission shaft frame is sleeved on the core shaft between the first positioning flange and the second positioning flange, the first positioning flange is fixedly connected to the core shaft, the first positioning flange and the second positioning flange are respectively connected to the two ends of the eccentric transmission shaft frame by bolts, the eccentric transmission shaft frame comprises at least one or two eccentric step cylindrical base surfaces, the core shaft comprises a first axis, the first axis passes through the axis center of the core shaft, and the distance between the axis center line of the eccentric step cylindrical base surface and the first axis is not greater than the cross-sectional radius value of the core shaft.

[0005] Preferably, the centerline of at least one of the eccentric step cylindrical base surfaces is colinear with the first axis.

[0006] Preferably, the core shaft is connected to the first positioning flange by welding.

[0007] Preferably, the first positioning flange and the second positioning flange are respectively provided with a core shaft through-hole, and the core shaft passes through the core shaft through-hole and is connected with the first positioning flange and the second positioning flange.

[0008] Preferably, the central axis of the core shaft through hole is arranged colinearly with the central axis of the first positioning flange and / or the second positioning flange.

[0009] Preferably, the central axis of the core shaft through hole is arranged non-collinearly with the central axis of the first positioning flange and / or the second positioning flange.

[0010] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0011] 1. The utility model can be processed by ordinary horizontal lathe, without the need to purchase special equipment;

[0012] 2. The utility model has a simple structure and is universal, and can be used in eccentric transmission shaft frames of similar structures;

[0013] 3. The utility model uses tooling to ensure the accuracy of parts, and has low requirements on operators. Ordinary operators can complete the processing according to the operating instructions;

[0014] 4. The utility model is easy to clamp, has high processing efficiency, and the parts can be easily removed after processing;

[0015] 5. The utility model can process one or more outer cylindrical surfaces in sequence by adjusting the clamping and centering positions, and the processing economy is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a partial cross-sectional structure of this embodiment;

[0017] Wherein: 1. mandrel, 2. first positioning flange, 3. second positioning flange, 4. mandrel through hole, 5. eccentric transmission shaft frame, 6. hexagonal head bolt, 7. single spring locking washer, I / II, cylindrical surface. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0019] Example 1

[0020] like Figure 1 As shown, a practical device for machining an eccentric transmission shaft frame of a common horizontal lathe comprises a mandrel 1, wherein the two ends of the mandrel 1 are respectively connected to a first positioning flange 2 and a second positioning flange 3, specifically, the first positioning flange 2 and the second positioning flange 3 are respectively provided with a mandrel through-hole 4, the central axis of the mandrel through-hole 4 is arranged colinearly with the central axis of the first positioning flange 2 and / or the second positioning flange 3, the mandrel 1 passes through the mandrel through-hole 4 and is connected to the first positioning flange 2 and the second positioning flange 3, the first positioning flange 2 is fixedly connected to the mandrel 1, specifically, the mandrel 1 is welded to the first positioning flange 2, and the welded part is subjected to quenching and tempering treatment after welding. The mandrel 1 between the first positioning flange 2 and the second positioning flange 3 is sleeved with an eccentric transmission shaft frame 5, specifically, the first positioning flange 2 and the second positioning flange 3 are respectively connected to the two ends of the eccentric transmission shaft frame 5 by hexagonal head bolts 6 and single spring locking washers 7, and the eccentric transmission shaft frame 5 comprises two eccentric step cylindrical base surfaces, namely cylindrical surface I and cylindrical surface II. The core shaft 1 includes a first axis, which passes through the axis of the core shaft 1 , and the distance between the axis line of the eccentric step cylindrical base surface and the first axis is not greater than the cross-sectional radius value of the core shaft 1 .

[0021] Before processing, assemble the eccentric transmission shaft frame 5, the core shaft 1 and the tooling together, and use the horizontal lathe four-jaw chuck and the center clamping support tooling for processing. Position with the center line A and turn the cylindrical surface I; position with the center line B and turn the cylindrical surface II.

[0022] In other specific embodiments, the axis of at least one of the eccentric stepped cylindrical base surfaces is collinear with the first axis. The center axis of the mandrel through hole 4 is non-collinear with the center axis of the first positioning flange 2 and / or the second positioning flange 3.

[0023] This embodiment is a universal tooling, which is clamped and positioned by a four-claw chuck of a horizontal lathe and combined with the top positioning. By adjusting the clamping and top positions, multiple eccentric cylindrical surfaces can be processed. The tooling is connected and fastened to the workpiece by fasteners, and no special positioning and clamping devices are required. The practical device that can process the eccentric transmission shaft frame on an ordinary horizontal lathe can ensure the processing accuracy of the eccentric transmission shaft frame, and does not require too high a level and experience of the operator, and the processing economy is good.

[0024] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A practical device for machining an eccentric transmission shaft frame on a common horizontal lathe, characterized in that: It includes a core shaft, two ends of which are respectively connected to a first positioning flange and a second positioning flange, an eccentric transmission shaft frame is sleeved on the core shaft between the first positioning flange and the second positioning flange, the first positioning flange is fixedly connected to the core shaft, the first positioning flange and the second positioning flange are respectively connected to the two ends of the eccentric transmission shaft frame by bolts, the eccentric transmission shaft frame includes at least one or two eccentric step cylindrical base surfaces, the core shaft includes a first axis, the first axis passes through the axis center of the core shaft, and the distance between the axis center line of the eccentric step cylindrical base surface and the first axis is not greater than the cross-sectional radius value of the core shaft.

2. A practical device for machining an eccentric transmission shaft frame using a common horizontal lathe according to claim 1, characterized in that: The axis center line of at least one of the eccentric step cylindrical base surfaces is arranged colinearly with the first axis.

3. A practical device for machining an eccentric transmission shaft frame using a common horizontal lathe according to claim 1, characterized in that: The core shaft is connected to the first positioning flange by welding.

4. A practical device for machining an eccentric transmission shaft frame using a common horizontal lathe according to claim 1, characterized in that: The first positioning flange and the second positioning flange are respectively provided with a core shaft through-hole, and the core shaft passes through the core shaft through-hole and is connected with the first positioning flange and the second positioning flange.

5. A practical device for machining an eccentric transmission shaft frame using a common horizontal lathe according to claim 1, characterized in that: The central axis of the core shaft through hole is arranged colinearly with the central axis of the first positioning flange and / or the second positioning flange.

6. A practical device for machining an eccentric transmission shaft frame using a common horizontal lathe according to claim 1, characterized in that: The central axis of the core shaft through hole is arranged non-collinearly with the central axis of the first positioning flange and / or the second positioning flange.

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