Machining device for speed reducer shell

Abstract

The utility model provides a machining device for a speed reducer shell, and belongs to the technical field of machine manufacturing and machining. Comprising a quenching furnace, a valve body communicated with the inner wall of a valve port, an expansion block arranged in an inner cavity of an expansion block box, a connecting column fixedly connected to the outer end face of the expansion block, a rack fixedly connected to the other end of the connecting column, a gear meshed with the outer surface of the rack, and a driving column fixedly connected to the inner surface of the gear. The driven column is fixedly connected to the outer surface of the driving column, the outer surface of the driving column is fixedly sleeved with the swing block, and the driven assembly provides a power source in the valve structure. The adjusting valve is mounted on the quenching furnace, acting force is provided through thermal expansion of the expansion block, the valve is automatically opened to release heat when the temperature in the furnace rises, the valve is automatically closed when the temperature in the furnace drops, and the temperature in the furnace is kept within a proper range, so that the mechanical property and the product quality of parts are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical manufacturing and processing technical field, concretely relates to a machining device of speed reducer casing. BACKGROUND

[0002] The machining device of speed reducer casing refers to a series of mechanical equipment and auxiliary tools for manufacturing speed reducer casing. In the machining device of speed reducer casing, quenching is a key heat treatment step. The quenching furnace is not directly used for the machining of the casing itself in the machining of the speed reducer casing, but is used for the heat treatment process of the key parts (such as gears, shafts, etc.) inside the casing. Quenching is to change the microstructure of metal materials by rapid heating and cooling, thereby improving the hardness and wear resistance of the materials.

[0003] However, some machining devices of speed reducer casing in the prior art usually have the problem that the valve plate cannot be opened or closed in time according to the temperature in the furnace, which may cause the temperature in the furnace to be too high or too low. If the temperature is too high, the parts may be overheated, which may reduce the mechanical properties of the parts. If the temperature is too low, the quenching effect may not be obvious, and the size of the parts may change little, which may affect the assembly accuracy. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a machining device of speed reducer casing, which aims at solving the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A machining device of speed reducer casing comprises

[0007] A heating mechanism comprises a quenching furnace, a valve port provided on the top of the quenching furnace, and an interface provided on the top of the quenching furnace away from the valve port.

[0008] A valve structure comprises a valve body communicated with the inner wall of the valve port, a foot stand fixedly installed on the outer surface of the top of the quenching furnace, an expansion block box fixedly installed on the top of the foot stand, an expansion block arranged in the inner cavity of the expansion block box, a connecting column fixedly connected to the outer end surface of the expansion block, and a rack fixedly connected to the other end of the connecting column.

[0009] As a preferred scheme of the utility model, the valve structure further comprises a gear engaged with the outer surface of the rack, a driving column fixedly connected to the inner surface of the gear, a driven column fixedly connected to the outer surface of the driving column, an oscillating block fixedly sleeved on the outer surface of the driving column, and a driven assembly providing a power source in the valve structure.

[0010] As a preferred scheme of the utility model, the driven assembly includes a mandrel fixedly installed on the outer surface of the swing block through a bearing, a sliding bar fixedly installed on the outer end surface of the mandrel through a bearing, and a connecting plate fixedly sleeved on the outer surface of the mandrel.

[0011] As a preferred scheme of the utility model, the driven assembly further includes a linkage shaft rotatably connected to the inner surface of the connecting plate away from the mandrel, a fixing member fixedly installed on the penetrating end of the linkage shaft, and a valve plate fixedly installed on the outer surface of the fixing member.

[0012] As a preferred scheme of the utility model, the expansion block is made of copper alloy material, and the outer surfaces of the driven column and the linkage shaft are in rotatable contact with the inner wall of the valve body.

[0013] As a preferred scheme of the utility model, the connecting plates are centrally symmetrical about the driving column, and the linkage shafts are centrally symmetrical about the driven column.

[0014] As a preferred scheme of the utility model, the driven column and the linkage shafts all penetrate into the inner side of the valve body, and the expansion block is in sliding contact with the inner wall of the expansion block box.

[0015] Compared with the prior art, the utility model has the beneficial effects that the adjusting valve is installed on the quenching furnace, the expansion block provides the acting force through thermal expansion, the valve is automatically opened to release the heat when the temperature in the furnace is increased, the valve is automatically closed when the temperature in the furnace is decreased, the temperature in the furnace is kept in the appropriate range, and therefore the mechanical performance of the parts and the product quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0017] Figure 1 It is the overall structure schematic view of the utility model;

[0018] Figure 2 It is the overall structure schematic view of the utility model Figure 1 The local structure enlarged schematic view of A in the utility model;

[0019] Figure 3 It is the overall structure schematic view of the valve structure in the utility model;

[0020] Figure 4 It is the overall structure schematic view of the utility model Figure 3A local structure amplification schematic view at B;

[0021] Figure 5 An internal structure schematic view of the valve structure in the utility model;

[0022] Figure 6 Another view schematic view of the valve structure in the utility model.

[0023] In the figure: 100, heating mechanism; 101, quenching furnace; 102, valve port; 103, interface; 200, valve structure; 201, valve body; 202, foot stand; 203, expansion block box; 204, expansion block; 205, connecting column; 206, rack; 207, gear; 208, driving column; 209, driven column; 210, swing block; 211, driven assembly; 211a, mandrel; 211b, sliding bar; 211c, connecting plate; 211d, linkage shaft; 211e, fixing piece; 211f, valve plate. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, easy to understand, the specific implementation of the utility model is explained in detail below with the help of the attached drawings of the specification.

[0025] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without violating the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0026] Secondly, the "one embodiment" or "embodiment" referred to here means that specific features, structures or characteristics can be included in at least one implementation of the utility model. "In one embodiment" does not mean the same embodiment in different places in this specification, nor is it an independent or alternative embodiment that excludes other embodiments.

[0027] EMBODIMENT

[0028] REFERENCE Figures 1-6 For the embodiment of the utility model, the embodiment provides a machining device for a speed reducer shell, which can realize the effect that the valve is automatically opened to release heat when the temperature in the furnace rises, and the valve is automatically closed when the temperature in the furnace drops.

[0029] The heating mechanism 100 comprises a quenching furnace 101, a valve port 102 arranged on the top of the quenching furnace 101, and an interface 103 arranged on the top of the quenching furnace 101 away from the valve port 102;

[0030] It should be noted that the interface 103 opened on the top of the quenching furnace facilitates the hot air in the quenching furnace to flow out to the expansion block box 203, so that the expansion block 204 is heated and expanded, and the volume is increased.

[0031] The valve structure 200 comprises a valve body 201 communicated with the inner wall of the valve port 102, a foot stand 202 fixedly installed on the outer surface of the top of the quenching furnace 101, an expansion block box 203 fixedly installed on the top of the foot stand 202, an expansion block 204 arranged in the inner cavity of the expansion block box 203, a connecting column 205 fixedly connected to the outer end surface of the expansion block 204, and a rack 206 fixedly connected to the other end of the connecting column 205.

[0032] It should be further noted that the expansion block 204 adopts a copper alloy with a relatively high positive thermal expansion coefficient, which can increase in volume at high temperature and decrease in volume when the temperature decreases, so as to provide a force for moving the expansion block 204 forward or reversely.

[0033] Specifically, the valve structure 200 further comprises a gear 207 engaged with the outer surface of the rack 206, a driving column 208 fixedly connected to the inner surface of the gear 207, a driven column 209 fixedly connected to the outer surface of the driving column 208, an oscillating block 210 fixedly sleeved on the outer surface of the driving column 208, and a driven assembly 211 providing a power source in the valve structure 200.

[0034] Further, the driven assembly 211 comprises a mandrel 211a fixedly installed on the outer surface of the oscillating block 210 through a bearing, a sliding bar 211b fixedly installed on the outer end surface of the mandrel 211a through a bearing, and a connecting plate 211c fixedly sleeved on the outer surface of the mandrel 211a.

[0035] It should be noted that in addition to the mandrel 211a penetrating the outer side of the oscillating block 210, the other mandrels 211a all penetrate the outer end surface of the connecting plates 211c, and the inner walls of the oscillating block 210 and the connecting plate 211c are in rotational contact with the outer surface of the mandrel 211a.

[0036] Preferably, the driven assembly 211 further comprises a linkage shaft 211d rotationally connected to the inner surface of the connecting plate 211c away from the mandrel 211a, a fixing member 211e fixedly installed on the penetrating end of the linkage shaft 211d, and a valve plate 211f fixedly installed on the outer surface of the fixing member 211e.

[0037] It should be noted that the expansion block 204 adopts a copper alloy material, and the outer surfaces of the driven column 209 and the linkage shaft 211d are in rotational contact with the inner wall of the valve body 201.

[0038] Further, the connecting plates 211c are centrally symmetrical with the driving column 208, and the linkage shafts 211d are centrally symmetrical with the driven column 209.

[0039] Specifically, the driven column 209 and the several connecting shafts 211d all penetrate to the inner side of the valve body 201, and the expansion block 204 is in sliding contact with the inner wall of the expansion block box 203.

[0040] In use, the temperature in the quenching furnace 101 is too high, and hot air flows into the expansion block box 203 from the interface 103, so that the expansion block 204 is heated and expanded in the expansion block box 203 to move linearly, driving the connecting column 205 and the rack 206 to move linearly synchronously, thereby driving the gear 207, the driving column 208, the driven column 209, and the swing block 210 to rotate together. When the swing block 210 rotates, it can drive the mandrel 211b to rotate and the sliding bar 211b to move upward, thereby driving the connecting plate 211c and the connecting shaft 211d to rotate, so that the fixing member 211e drives the valve plate 211f to rotate, thereby opening the valve.

[0041] When the temperature in the quenching furnace 101 decreases, the volume of the expansion block 204 decreases, and under the action of the reaction force, the connecting column 205 and the rack 206 are restored to the original position, thereby causing the gear 207, the driving column 208, the driven column 209, the swing block 210, and the mandrel 211a to rotate in the opposite direction, driving the sliding bar 211b to move downward, so that the connecting plate 211c, the connecting shaft 211d, the fixing member 211e, and the valve plate 211f are reset, thereby closing the valve.

[0042] In summary, by installing the regulating valve on the quenching furnace 101, the expansion block 204 is heated and expanded to provide a force, so that the valve is automatically opened to release heat when the temperature in the furnace increases, and the valve is automatically closed when the temperature in the furnace decreases, thereby keeping the temperature in the furnace within an appropriate range, thereby improving the mechanical properties of parts and the product quality.

[0043] It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the novel teachings and advantages of the subject matter described herein. For example, elements described as integrated in a single unit can be separated, elements described as separate can be integrated, and the position, number, shape, and arrangements of elements can be varied. Accordingly, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the general nature of the claims. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the foregoing describes are intended to cover.

[0044] Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those pertaining to the

[0045] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can inevitably lead to a number of substitutions, modifications, changes, and omissions of parts illustrated as having a specific configuration. Such are the natural consequences of research and development efforts, and

[0046] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. A machining device for a reducer housing, characterized in that: a heating mechanism (100) comprising a quenching furnace (101), a valve port (102) opened on the top of the quenching furnace (101), and an interface (103) opened on the top of the quenching furnace (101) away from the valve port (102); a valve structure (200) comprising a valve body (201) communicated with the inner wall of the valve port (102), a foot stand (202) fixedly installed on the outer surface of the top of the quenching furnace (101), an expansion block box (203) fixedly installed on the top of the foot stand (202), an expansion block (204) arranged in the inner cavity of the expansion block box (203), a connecting column (205) fixedly connected to the outer end surface of the expansion block (204), and a rack (206) fixedly connected to the other end of the connecting column (205).

2. The apparatus of claim 1, wherein: The valve structure (200) further comprises a gear (207) engaged with the outer surface of the rack (206), a driving column (208) fixedly connected to the inner surface of the gear (207), a driven column (209) fixedly connected to the outer surface of the driving column (208), an oscillating block (210) fixedly sleeved on the outer surface of the driving column (208), and a driven assembly (211) providing a power source in the valve structure (200).

3. The apparatus of claim 2, wherein: The driven assembly (211) comprises a spindle (211a) fixedly installed on the outer surface of the oscillating block (210) through a bearing, a sliding bar (211b) fixedly installed on the outer end surface of the spindle (211a) through a bearing, and a connecting plate (211c) fixedly sleeved on the outer surface of the spindle (211a).

4. The apparatus of claim 3, wherein: The driven assembly (211) further comprises a linkage shaft (211d) rotationally connected to the inner surface of the connecting plate (211c) away from the spindle (211a), a fixing member (211e) fixedly installed on the penetrating end of the linkage shaft (211d), and a valve plate (211f) fixedly installed on the outer surface of the fixing member (211e).

5. The apparatus of claim 4, wherein: The expansion block (204) is made of copper alloy material, and the outer surfaces of the driven column (209) and the linkage shaft (211d) are in rotational contact with the inner wall of the valve body (201).

6. The apparatus of claim 5, wherein: A plurality of connecting plates (211c) are centrally symmetric with the driving column (208), and a plurality of linkage shafts (211d) are centrally symmetric with the driven column (209).

7. The apparatus of claim 6, wherein: The driven column (209) and the plurality of linkage shafts (211d) penetrate to the inner side of the valve body (201), and the expansion block (204) is in sliding contact with the inner wall of the expansion block box (203).

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