Small Roots blower shell numerical control machining positioning device

Abstract

The utility model belongs to the field of Roots blower shell machining, and particularly relates to a small Roots blower shell numerical control machining positioning device which comprises a base, a plurality of supporting columns, a clamping device and a positioning device, the supporting columns are fixedly connected to the base and are equal in height, the clamping device is arranged on the base, and the positioning device is arranged on the base. A fan shell is vertically arranged on the supporting column, a pipeline flange close to the edge of the base extends out of the base, the clamping device is fixedly connected to the base, and the clamping device penetrates through an impeller cavity of the fan shell to be connected with a flange at the top of the fan shell in an abutting mode. The positioning device is rotationally connected to the side face of the base, and the side face of the positioning device is attached to the inner end face of a pipeline flange on the fan shell. According to the device, the fan shell can be positioned and clamped, the shell is positioned according to the shape and size of the fan shell, a manual positioning mode is replaced, and the positioning accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the field of Roots blower housing processing, in particular to a small Roots blower housing numerical control processing positioning device. Background Art

[0002] The Roots blower consists of five parts: casing, wall panel, impeller, oil tank, and muffler. The casing mainly supports (wall panel, impeller, muffler) and fixes. When the fan casing is placed in the CNC machine tool for processing, since the CNC machine tool does not have a fixing positioning device, the casing needs to be clamped and fixed and attention must be paid to positioning, otherwise the processing will be inaccurate; the existing method is to manually position the fan casing to ensure processing accuracy, which not only increases the workload of workers, but also causes inaccurate adjustments and low work efficiency.

[0003] Therefore, in view of the above-mentioned problems, a CNC machining positioning device for a small Roots blower housing is proposed. Utility Model Content

[0004] The utility model aims at solving the above-mentioned problems and specifically designs a CNC machining positioning device for a small Roots blower housing. The device can position and clamp the blower housing and position the housing according to the shape and size of the blower housing, thereby replacing the manual positioning method and improving the positioning accuracy.

[0005] To achieve the above-mentioned purpose, the utility model provides a CNC machining positioning device for a small Roots blower housing, comprising: a base, a support column, a clamping device and a positioning device, wherein there are a plurality of support columns, and the plurality of support columns are fixedly connected to the base, and each of the support columns is of equal height, the blower housing is vertically placed on the support columns, and a pipe flange close to the edge of the base extends out of the base, the clamping device is fixedly connected to the base, the clamping device passes through the impeller cavity of the blower housing and is abutted against the flange on the top of the blower housing, the positioning device is rotatably connected to the side of the base, and the side of the positioning device is fitted with the inner end surface of the pipe flange on the blower housing.

[0006] In the above manner, the fan casing is clamped on the base by the clamping device, and the channel flange on the side of the casing extends out of the base for positioning with the positioning device.

[0007] Furthermore, the positioning device includes: a positioning pin, a rotating plate and a positioning block, the positioning pin is rotatably connected to the side of the base, the rotating plate is fixedly connected to the positioning pin, the positioning block is detachably connected to the side of the rotating plate, and the thickness of the positioning block and the rotating plate is equal to the horizontal distance from the inner end surface of the pipe flange extending from the base to the base.

[0008] By adopting the above method, the rotating plate is rotated upwards so that the inner end surface of the flange of the fan housing fits with the positioning block, thereby achieving the positioning of the fan housing.

[0009] Furthermore, it also includes a leveling device, which is fixedly connected to the base and supported below the support legs of the fan housing.

[0010] Furthermore, the leveling device includes a supporting bolt and a leveling nut, wherein the supporting bolt is fixedly connected to the base with the threaded end facing upward, and the leveling nut is rotatably connected to the top of the supporting bolt.

[0011] Through the above method, the leveling nut is rotatably connected to the top of the supporting bolt, and the support leg is placed on the leveling nut. By turning the leveling nut, the horizontal height of the leveling nut can be changed, thereby adjusting the support height of the support leg and keeping the support leg in a stable horizontal posture.

[0012] Furthermore, the clamping device includes: a long screw, a pressure plate and a nut, the long screw is vertically placed in the impeller cavity of the fan housing and one end is fixedly connected to the upper surface of the base, and the other end is located at the upper part of the fan housing, the pressure plate is slidably connected to the long screw and is located at the upper part of the fan housing, and the nut is slidably connected to the long screw and is located at the upper part of the pressure plate.

[0013] Through the above method, the pressure plate is placed on the long screw and placed on the shell, and then the nut on the top is locked to achieve the effect of pressing the pressure plate on the fan shell, which has the effect of securing the shell shareholders.

[0014] Furthermore, the base includes a support plate and a column, there are two support plates, a plurality of columns are fixedly connected between the two support plates, and the bottom support plate is fixedly connected to the rotary platform of the CNC machine tool.

[0015] Through the above method, in order to place the fan casing in a better position for processing, the support plate is supported by the columns, and the various components are installed on the upper support plate. The entire component including the casing can be higher than the rotating platform, so that the shell can be in the processable space of the CNC machine tool.

[0016] In summary, the utility model has the following advantages and beneficial technical effects:

[0017] 1. The utility model is a small Roots blower housing CNC machining positioning device that can replace the manual positioning method to position the blower housing on the CNC machine tool, thereby improving the positioning accuracy and the workpiece processing precision;

[0018] 2. The positioning device of the CNC machining positioning device for a small Roots blower housing of the utility model can position the housing, has a simple structure, is easy to operate, and has low maintenance costs;

[0019] 3. The utility model provides a leveling device for a small Roots blower housing numerical control machining positioning device, which can adjust the stability of the housing after installation to prevent the housing from being placed unsteadily. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 It is a structural schematic diagram of a small Roots blower housing numerical control machining positioning device of the utility model;

[0022] Figure 2 This is a front view of a small Roots blower housing numerical control machining positioning device of the utility model;

[0023] Figure 3 The utility model is a top view of a numerical control machining positioning device for a small Roots blower housing.

[0024] The reference numerals in the accompanying drawings are:

[0025] 1-base: 11-support plate; 12-column; 2-support column;

[0026] 3-leveling device; 31-support bolt; 32-leveling nut;

[0027] 4-clamping device; 41-long screw; 42-pressing plate; 43-nut;

[0028] 5-positioning device; 51-positioning pin; 52-rotating plate; 53-positioning block;

[0029] 6-fan housing; 61-pipe flange; 62-support leg. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-Figure 3 The utility model is further described in detail, and examples of embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and should not be construed as limiting the utility model.

[0031] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, it can be a mechanical connection or an electrical connection, it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the description of this embodiment, the terms "upper", "lower", "right", etc., and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning. The parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0033] like Figure 1 and Figure 2 As shown, it includes: a base 1, support columns 2, a clamping device 4 and a positioning device 5. There are 6 support columns 2, which are fixedly connected to the base 1 by welding, and each support column 2 is of equal height. The fan housing 6 is vertically placed on the support columns 2 and the pipe flange 61 close to the edge of the base 1 extends out of the base 1. There are three support columns 2 under each fan housing 6, which are supported on the left, right and rear under the housing respectively. The clamping device 4 is fixedly connected to the base 1 by welding. The clamping device 4 passes through the impeller cavity of the fan housing 6 and is connected to the flange on the top of the fan housing 6 from top to bottom. The positioning device 5 is rotatably connected to the side of the base 1, and the side of the positioning device 5 fits with the inner end surface of the pipe flange 61 on the fan housing 6.

[0034] like Figure 1 and Figure 3 As shown, the positioning device 5 includes: a positioning pin 51, a rotating plate 52 and a positioning block 53. A hole is opened on the side of the base 1. The positioning pin 51 is rotatably connected in the side hole of the base 1. The rotating plate 52 and the positioning pin 51 are connected by a key. The positioning block 53 is detachably connected to the side of the rotating plate 52 by bolts. The thickness of the positioning block 53 and the rotating plate 52 is equal to the horizontal distance from the inner end surface of the pipe flange 61 extending from the base 1 to the base 1.

[0035] like Figure 1 and Figure 2As shown, it also includes a leveling device 3, which is fixedly connected to the base 1 by welding and supported below the support leg 62 of the fan housing 6.

[0036] like Figure 1 and Figure 2 As shown, the leveling device 3 includes a supporting bolt 31 and a leveling nut 32. The nut end of the supporting bolt 31 is fixedly connected to the base 1 by welding with the threaded end facing upward. The leveling nut 32 is connected to the top of the supporting bolt 31 by threaded rotation. The leveling nut 32 can be rotated to adjust the horizontal height. The support leg 62 is placed on the leveling nut 32. When the height of the leveling nut 32 changes, the support height of the fan casing 6 can be adjusted.

[0037] like Figure 1 and Figure 2 As shown, the clamping device 4 includes: a long screw 41, a pressure plate 42 and a nut 43. The long screw 41 is vertically placed in the impeller cavity of the fan housing 6 and one end is fixedly connected to the upper surface of the base 1 by welding, and the other end is located at the upper part of the fan housing 6. A through hole is opened in the middle of the pressure plate 42. The pressure plate 42 is slidably connected to the long screw 41 through the through hole and is located at the upper part of the fan housing 6. The nut 43 is slidably connected to the long screw 41 and is located at the upper part of the pressure plate 42.

[0038] The base 1 includes a support plate 11 and a column 12. There are two support plates 11. A plurality of columns 12 are fixedly connected between the two support plates 11 by welding. The bottom support plate 11 is fixedly connected to the rotary platform of the CNC machine tool by bolts. The upper support plate 11 is installed with a support column 2, a leveling device 3, a clamping device 4 and a positioning device 5.

[0039] The working principle of the numerical control machining positioning device for a small Roots blower housing of the utility model is:

[0040] First, fix the base 1 on the CNC machine tool, then place the fan casing 6 to be processed on the support column 2, and make the leveling device 3 located under the support leg 62, then adjust the fan casing 6, erect the positioning device 5, make the inner end surface of the pipe flange 61 close to the side of the base 1 flush with the side of the positioning block 53, then tighten the leveling bolt 32 to keep the fan casing 6 horizontal and not skewed, finally press the pressure plate 42 onto the casing along the long screw 41, and then tighten the nut 43 to achieve the positioning and clamping of the entire casing.

[0041] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A small Roots blower housing CNC machining positioning device, characterized in that: include: A base (1), a support column (2), a clamping device (4) and a positioning device (5), wherein the support columns (2) are multiple, the multiple support columns (2) are fixedly connected to the base (1), and the support columns (2) are of equal height; a fan housing (6) is vertically placed on the support column (2), and a pipe flange (61) close to the edge of the base (1) extends out of the base (1); the clamping device (4) is fixedly connected to the base (1), the clamping device (4) passes through the impeller cavity of the fan housing (6) and is abutted against the flange at the top of the fan housing (6); the positioning device (5) is rotatably connected to the side of the base (1), and the side of the positioning device (5) is in contact with the inner end surface of the pipe flange (61) on the fan housing (6).

2. A small Roots blower housing CNC machining positioning device according to claim 1, characterized in that: The positioning device (5) comprises: a positioning pin (51), a rotating plate (52) and a positioning block (53); the positioning pin (51) is rotatably connected to the side of the base (1); the rotating plate (52) is fixedly connected to the positioning pin (51); the positioning block (53) is detachably connected to the side of the rotating plate (52); the thickness of the positioning block (53) and the rotating plate (52) is equal to the horizontal distance from the inner end surface of the pipe flange (61) extending from the base (1) to the base (1).

3. A small Roots blower housing CNC machining positioning device according to claim 1, characterized in that: It also comprises a leveling device (3), wherein the leveling device (3) is fixedly connected to the base (1) and supported below the support leg (62) of the fan housing (6).

4. A small Roots blower housing CNC machining positioning device according to claim 3, characterized in that: The leveling device (3) comprises a supporting bolt (31) and a leveling nut (32); the supporting bolt (31) is fixedly connected to the base (1) with the threaded end facing upwards; and the leveling nut (32) is rotatably connected to the top of the supporting bolt (31).

5. The small Roots blower housing CNC machining positioning device according to claim 1 is characterized in that: The clamping device (4) comprises: a long screw (41), a pressure plate (42) and a nut (43); the long screw (41) is vertically placed in the impeller cavity of the fan housing (6) and one end of the long screw is fixedly connected to the upper surface of the base (1), and the other end is located at the upper part of the fan housing (6); the pressure plate (42) is slidably connected to the long screw (41) and is located at the upper part of the fan housing (6); and the nut (43) is slidably connected to the long screw (41) and is located at the upper part of the pressure plate (42).

6. The small Roots blower housing CNC machining positioning device according to claim 1 is characterized in that: The base (1) comprises a support plate (11) and a column (12), wherein there are two support plates (11), a plurality of columns (12) are fixedly connected between the two support plates (11), and the bottom support plate (11) is fixedly connected to the rotary platform of the CNC machine tool.

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