Impeller machining clamp

Abstract

The utility model discloses an impeller machining clamp, which belongs to the technical field of clamps and comprises a fixed table, and a rotary supporting mechanism is mounted on the fixed table. A fixing module is mounted on the rotary supporting mechanism; a pressing mechanism is mounted on the fixed table; the pressing mechanism comprises a downward pressing module and filling pressing modules, the downward pressing module is installed on the fixing table, and the multiple filling pressing modules are installed on the downward pressing module in a circumferential array at equal intervals; the number of the filling and pressing modules is half of that of the impeller blades; the multiple filling and pressing modules can be arranged between every two adjacent blades on the impeller in a filling mode. Through the mode, the rotary supporting mechanism is matched with the downward pressing module and the filling and pressing module, the blades of the impeller are alternately filled, the machining efficiency is guaranteed, meanwhile, vibration generated when the blades of the impeller are machined is absorbed through the filling and pressing module, and the vibration phenomenon generated in the machining process of the blades of the impeller is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, specifically relates to a impeller processing fixture. BACKGROUND

[0002] The blade of the impeller needs to be further processed in shape and surface finish after initial forming by the machine tool, and in this process, the impeller needs to be fixed by the fixture to maintain stability.

[0003] For example, Chinese patent CN222003223U discloses a fixture for impeller processing, which is provided with a synchronous driving assembly and a clamping block, and the clamping block is driven by the synchronous driving assembly to move synchronously, so as to clamp the impeller by the clamping block.

[0004] However, the impeller blade is thin, and when the impeller blade is finished, the tool acting on the blade of the impeller is easy to vibrate the blade, affecting the processing precision.

[0005] Therefore, the utility model designs a kind of impeller processing fixture to solve the above problems. UTILITY MODEL CONTENT

[0006] In view of the above shortcomings of the prior art, the utility model provides an impeller processing fixture.

[0007] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0008] An impeller processing fixture, comprising a fixed table, a rotating support mechanism, a fixed module and an impeller.

[0009] The fixed table is provided with a rotating support mechanism for supporting the impeller; the rotating support mechanism is provided with a fixed module for fixing the center of the impeller; the fixed table is provided with a pressing mechanism for fixing the edge of the impeller.

[0010] The pressing mechanism comprises a pressing module and a filling pressing module, the pressing module is installed on the fixed table, and a plurality of filling pressing modules are installed on the pressing module in a circular array at equal intervals; the number of filling pressing modules is half of the number of impeller blades; the plurality of filling pressing modules can be filled between two adjacent blades of the impeller.

[0011] Further, the rotating support mechanism comprises a driving assembly and a rotating assembly, the driving assembly is installed on the fixed table, and the rotating assembly is installed on the fixed table; the driving assembly is connected with the rotating assembly.

[0012] Further, the driving assembly comprises a servo motor, a first gear and a second gear, the servo motor is fixedly installed at the bottom of the fixed table, and the output end of the servo motor is fixedly installed with the first gear; the second gear is rotatably installed on the fixed table; the first gear and the second gear are meshedly connected.

[0013] Further, the rotating assembly comprises a rotating table and a rotating frame, the rotating table is rotatably installed on the top of the fixed table, the bottom of the rotating table is fixedly installed with the rotating frame, and the bottom of the rotating frame is fixedly installed on the second gear.

[0014] Further, the fixed module comprises a plug shaft and a pressing module, the middle part of the impeller is provided with a key groove, the middle part of the rotating table is fixedly installed with the plug shaft which is plugged with the key groove; the middle part of the plug shaft is provided with a plug groove; the pressing module is installed on the rotating table; and the top of the pressing module penetrates through the plug groove.

[0015] Further, the pressing module comprises a rotating arm, a connecting rod, an extension rod and a synchronous module, a plurality of rotating arms are distributed at equal intervals in a circular array on the fixed table; a plurality of through holes are formed in the top of the fixed table, the rotating arms penetrate through the through holes, and the middle parts of the rotating arms are hingedly installed on the inner walls of the through holes of the fixed table; the bottom of the rotating arm is hingedly connected with one end of the connecting rod, and the other end of the connecting rod is hingedly connected with one end of the extension rod; and the other ends of the plurality of extension rods are fixedly installed on the synchronous module.

[0016] Further, the synchronous module comprises a synchronous frame and an air cylinder, the synchronous frame is limitingly and slidably connected with the fixed table; the other ends of the plurality of extension rods are fixedly installed on the top of the same synchronous frame; the air cylinder is fixedly installed on the bottom of the fixed table, and the output end of the air cylinder is fixedly connected with the bottom of the synchronous frame.

[0017] Further, the filling and pressing module comprises an expansion pipeline and a rubber filling block, the top of each rotating arm is fixedly installed with a hollow rubber filling block, each rubber filling block is fixedly installed with an expansion pipeline, one end of the expansion pipeline is in communication with the inside of the rubber filling block, and the other end of the expansion pipeline is in communication with the air pump through a hose.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The utility model discloses a fixing module and the keyway cooperation are fixed to the center of the impeller through the impeller being placed on the rotary support mechanism, and the filling and compression module is filled between the two blades of the impeller through the lower pressing module driving the filling and compression module to press down, and the edge of the impeller is pressed tightly after the inflation of the filling and compression module, so that the clamping of the impeller is more stable, and then the blade of the area of the impeller not filled by the filling and compression module is processed, when the blade of a part of the impeller is processed, the filling and compression module is reset by the lower pressing module, and then the rotary support mechanism drives the fixing module and the impeller to rotate, so that the area of the impeller after processing is aligned with the filling and compression module, the area of the impeller after processing is pressed tightly by the filling and compression module driven by the lower pressing module, and then the area of the impeller not processed is continuously processed, so that the blade of the impeller is filled alternately through the cooperation of the rotary support mechanism and the lower pressing module and the filling and compression module, the vibration of the blade of the impeller during processing is reduced through the filling and compression module absorbing the vibration of the blade of the impeller during processing, and the processing efficiency is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, below will be used to the drawing needed to be briefly introduced in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 It is a three-dimensional view of the impeller machining clamp of the utility model Figure 1 ;

[0022] Figure 2 It is a front view of the impeller machining clamp of the utility model

[0023] Figure 3 It is an impeller structure schematic diagram

[0024] Figure 4 It is a three-dimensional view after cutting part structure along A-A direction in Figure 2

[0025] Figure 5 It is a three-dimensional view of the impeller machining clamp of the utility model Figure 2 ;

[0026] Figure 6 It is a synchronous frame and its connecting structure schematic diagram

[0027] Figure 7 It is a rotating lower pressing air cylinder and its connecting structure schematic diagram.

[0028] The reference numerals in the drawings represent respectively:​

[0029] 1, fixed platform; 11, lower mounting plate; 12, support slide rod; 13, upper mounting platform; 2, rotating support mechanism; 21, rotating platform; 22, rotating frame; 23, servo motor; 24, first gear; 25, second gear; 3, fixed module; 31, plug shaft; 32, rotary down pressure cylinder; 33, plug rod; 34, pressing block; 35, plug slot; 4, pressing mechanism; 41, lower pressing module; 411, rotating arm; 412, connecting rod; 413, extension rod; 414, synchronous frame; 415, air cylinder; 42, filling and pressing module; 421, expansion pipeline; 422, rubber filling block; 5, impeller; 51, key groove. DETAILED DESCRIPTION

[0030] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments but not all embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0031] In the following description, "left", "right", "front", "back", "up", "down" are oriented with the perspective of the front view.

[0032] Embodiment one: in some embodiments, please refer to the accompanying drawings of the specification Figures 1-3 An impeller machining clamp, comprising a fixed platform 1, a rotating support mechanism 2, a fixed module 3 and an impeller 5; the fixed platform 1 is provided with the rotating support mechanism 2 for supporting the impeller 5; the rotating support mechanism 2 is provided with the fixed module 3 for fixing the center of the impeller 5; the fixed platform 1 is provided with the pressing mechanism 4 for fixing the edge of the impeller 5.

[0033] As shown in Figure 2 , the pressing mechanism 4 comprises a lower pressing module 41 and a filling and pressing module 42, the lower pressing module 41 is installed on the fixed platform 1, and a plurality of filling and pressing modules 42 are installed on the lower pressing module 41 in a circular array at equal intervals; the number of the filling and pressing modules 42 is half of the number of the blades of the impeller 5; the plurality of filling and pressing modules 42 can be filled between two adjacent blades of the impeller 5 respectively.

[0034] In the embodiment, when the impeller machining clamp works normally, the impeller 5 is placed on the rotating support mechanism 2, the center of the impeller 5 is fixed through cooperation of the fixing module 3 and the key groove 51, the filling and pressing module 42 is pressed down by the pressing down module 41, the filling and pressing module 42 is filled between two blades corresponding to the impeller 5, the edge of the impeller 5 is pressed tightly after inflation of the filling and pressing module 42, so that the clamping of the impeller 5 is more stable, then the blades in the area of the impeller 5 which is not filled by the filling and pressing module 42 are machined, when the blades of a part of the impeller 5 are machined, the filling and pressing module 42 is reset by the pressing down module 41, then the rotating support mechanism 2 drives the fixing module 3 and the impeller 5 to rotate, so that the area of the impeller 5 which is machined is aligned with the filling and pressing module 42, the area of the impeller 5 which is machined is pressed tightly by the filling and pressing module 42 driven by the pressing down module 41, then the area of the impeller 5 which is not machined is continuously machined. Through cooperation of the rotating support mechanism 2 and the pressing down module 41 and the filling and pressing module 42, the blades of the impeller 5 are alternately filled, the machining efficiency is ensured, the vibration of the blades of the impeller 5 during machining is absorbed by the filling and pressing module 42, and the phenomenon that the blades of the impeller 5 vibrate during machining is reduced.

[0035] In some embodiments, as a preferred embodiment of the utility model, as shown in Figure 2 The fixing table 1 comprises a lower mounting plate 11, support slide rods 12 and an upper mounting table 13, a plurality of support slide rods 12 are arranged at equal intervals between the lower mounting plate 11 and the upper mounting table 13, the top of the support slide rod 12 is fixedly connected with the bottom surface of the upper mounting table 13, and the bottom of the support slide rod 12 is fixedly connected with the top surface of the lower mounting plate 11.

[0036] As shown in Figure 2 and Figure 4 The rotating support mechanism 2 comprises a driving assembly and a rotating assembly, the driving assembly is installed on the lower mounting plate 11, the rotating assembly is installed on the upper mounting table 13, and the driving assembly is connected with the rotating assembly.

[0037] Specifically, the driving assembly comprises a servo motor 23, a first gear 24 and a second gear 25, the servo motor 23 is fixedly installed at the bottom of the lower mounting plate 11, the output end of the servo motor 23 penetrates through the lower mounting plate 11 and is fixedly installed with the first gear 24, the second gear 25 is rotatably installed at the top of the lower mounting plate 11, and the first gear 24 and the second gear 25 are meshingly connected.

[0038] The rotating assembly comprises a rotating table 21 and a rotating frame 22, the rotating table 21 is rotatably installed on the upper mounting table 13, the rotating table 21 is fixedly installed with the rotating frame 22 at the bottom, and the rotating frame 22 is fixedly installed on the second gear 25 at the bottom.

[0039] As shown in Figure 1 andFigure 7 As shown in the drawings, the fixed module 3 comprises a plug shaft 31 and a pressing module, the middle part of the impeller 5 is provided with a key groove 51, and the middle part of the rotating table 21 is fixedly provided with the plug shaft 31 which is plugged with the key groove 51; the middle part of the plug shaft 31 is provided with a plug groove 35; the rotating table 21 is provided with the pressing module; the top of the pressing module penetrates through the plug groove 35.

[0040] The pressing module comprises a rotating downward pressing cylinder 32, a plug rod 33 and a pressing block 34, the rotating downward pressing cylinder 32 is fixedly installed at the bottom of the rotating table 21; the output end of the rotating downward pressing cylinder 32 is fixedly provided with the plug rod 33, the top of the plug rod 33 penetrates through the plug groove 35 and is fixedly connected with one end of the pressing block 34, and the other end of the pressing block 34 can be pressed on the top of the impeller 5.

[0041] As shown in the drawings, Figure 2 , Figure 5 and Figure 6 , the downward pressing module 41 comprises rotating arms 411, connecting rods 412, extension rods 413 and a synchronous module, the upper installation table 13 is provided with a plurality of rotating arms 411 which are distributed at equal intervals in a circular array; the top of the fixed table 1 is provided with a plurality of through holes, the rotating arms 411 penetrate through the through holes, and the middle parts of the rotating arms 411 are hingedly installed on the inner walls of the through holes of the upper installation table 13; the bottoms of the rotating arms 411 are hingedly connected with one ends of the connecting rods 412, and the other ends of the connecting rods 412 are hingedly connected with one ends of the extension rods 413; the other ends of the plurality of extension rods 413 are fixedly installed on the synchronous module.

[0042] Specifically, the synchronous module comprises a synchronous frame 414 and a cylinder 415, the synchronous frame 414 is limitingly and slidably connected with the supporting slide rod 12; the other ends of the plurality of extension rods 413 are fixedly installed on the top of the same synchronous frame 414; the cylinder 415 is fixedly installed at the bottom of the lower installation plate 11, and the output end of the cylinder 415 is fixedly connected with the bottom of the synchronous frame 414.

[0043] The filling and pressing module 42 comprises expansion pipes 421 and rubber filling blocks 422, the tops of the plurality of rotating arms 411 are fixedly provided with hollow rubber filling blocks 422, the expansion pipes 421 are fixedly installed on each rubber filling block 422, one end of the expansion pipe 421 communicates with the inside of the rubber filling block 422, and the other end of the expansion pipe 421 communicates with the air pump through a hose.

[0044] In the embodiment, the pressing block 34 is aligned with the insertion shaft 31 in the initial state, the impeller 5 is placed on the rotating table 21, the insertion shaft 31 is inserted into the key groove 51, then the output shaft of the rotating pressing cylinder 32 is rotated to drive the pressing block 34 to press the center top of the impeller 5, at this time, the rubber filling block 422 is aligned with the area between the two blades of the impeller 5, the cylinder 415 drives the synchronous frame 414 to move vertically under the limiting action of the supporting slide rod 12, the synchronous frame 414 drives the plurality of extension rods 413 to move, thereby driving the rotating arm 411 to rotate through the connecting rod 412, the top of the rotating arm 411 moves downward, thereby driving the rubber filling block 422 to press into the position between the two blades of the impeller 5, then the external air pump fills the rubber filling block 422 with air through the hose and the expansion pipeline 421, the rubber filling block 422 is inflated and tightly attached to the edge and the blade of the impeller 5 after inflation, the rubber filling block 422 absorbs the vibration generated during the processing of the blade of the impeller 5, when the part not filled with the rubber filling block 422 is processed, the gas in the rubber filling block 422 is discharged, the cylinder 415 drives the rotating arm 411 and the rubber filling block 422 to reset through the synchronous frame 414, the extension rod 413 and the connecting rod 412, then the servo motor 23 drives the first gear 24 to rotate, the first gear 24 drives the rotating table 21 and the rotating pressing cylinder 32 to rotate through the second gear 25 and the rotating frame 22, thereby driving the impeller 5 to rotate, the area of the impeller 5 processed is aligned with the rubber filling block 422, then the cylinder 415 drives the extension rod 413 to move through the synchronous frame 414, thereby driving the rubber filling block 422 to fill between the blades processed through the connecting rod 412 and the rotating arm 411.

[0045] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A impeller machining clamp, comprising a fixed table (1), a rotating support mechanism (2), a fixed module (3) and an impeller (5), characterized in that: the fixed table (1) is provided with the rotating support mechanism (2) for supporting the impeller (5); the rotating support mechanism (2) is provided with the fixed module (3) for fixing the center of the impeller (5); the fixed table (1) is provided with the pressing mechanism (4) for fixing the edge of the impeller (5); the pressing mechanism (4) comprises a pressing-down module (41) and a filling pressing module (42), the pressing-down module (41) is installed on the fixed table (1), a plurality of filling pressing modules (42) are installed on the pressing-down module (41) in a circumferential array at equal intervals; the number of the filling pressing modules (42) is half of the number of the blades of the impeller (5); the plurality of filling pressing modules (42) can be filled between two adjacent blades of the impeller (5) respectively.

2. The impeller machining fixture of claim 1, wherein the rotating support mechanism (2) comprises a driving assembly and a rotating assembly, the driving assembly is installed on the fixed table (1), and the rotating assembly is installed on the fixed table (1); the driving assembly is connected with the rotating assembly.

3. The impeller machining fixture of claim 2, wherein, the driving assembly comprises a servo motor (23), a first gear (24) and a second gear (25), the servo motor (23) is fixedly installed on the bottom of the fixed table (1), and the output end of the servo motor (23) is fixedly installed with the first gear (24); the second gear (25) is rotatably installed on the fixed table (1); and the first gear (24) is in meshing connection with the second gear (25).

4. The impeller machining fixture of claim 3, wherein the rotating assembly comprises a rotating table (21) and a rotating frame (22), the rotating table (21) is rotatably installed on the top of the fixed table (1), the rotating table (21) is fixedly installed with the rotating frame (22) at the bottom, and the rotating frame (22) is fixedly installed on the second gear (25) at the bottom.

5. The impeller machining fixture of claim 4, wherein, the fixed module (3) comprises a plug shaft (31) and a pressing module, the middle part of the impeller (5) is provided with a key groove (51), the middle part of the rotating table (21) is fixedly installed with the plug shaft (31) which is plugged with the key groove (51); the middle part of the plug shaft (31) is provided with a plug groove (35); the pressing module is installed on the rotating table (21); and the top of the pressing module passes through the plug groove (35).

6. The impeller machining fixture of claim 5, wherein, the pressing-down module (41) comprises a rotating arm (411), a connecting rod (412), an extension rod (413) and a synchronous module, a plurality of rotating arms (411) are distributed on the fixed table (1) in a circumferential array at equal intervals; a plurality of through holes are formed in the top of the fixed table (1), the rotating arms (411) pass through the through holes, and the middle parts of the rotating arms (411) are hingedly installed on the inner walls of the through holes of the fixed table (1); the bottom of the rotating arm (411) is hingedly connected with one end of the connecting rod (412), the other end of the connecting rod (412) is hingedly connected with one end of the extension rod (413); and the other ends of the plurality of extension rods (413) are fixedly installed on the synchronous module.

7. The impeller machining fixture of claim 6, wherein The synchronous module comprises a synchronous frame (414) and a cylinder (415), the synchronous frame (414) is in sliding connection with the fixed table (1) in position limiting, the other ends of the plurality of extension rods (413) are fixedly installed on the top of the same synchronous frame (414), the cylinder (415) is fixedly installed on the bottom of the fixed table (1), and the output end of the cylinder (415) is fixedly connected with the bottom of the synchronous frame (414).

8. The impeller machining fixture of claim 7, wherein, The filling and compacting module (42) comprises expansion pipelines (421) and rubber filling blocks (422), the top of each of the plurality of rotating arms (411) is fixedly installed with a hollow rubber filling block (422), each rubber filling block (422) is fixedly installed with an expansion pipeline (421), one end of the expansion pipeline (421) is in communication with the inside of the rubber filling block (422), and the other end of the expansion pipeline (421) is in communication with the air pump through a hose.

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