Numerical control machining tool for impeller cover

Abstract

The utility model discloses a numerical control machining tool for an impeller cover, and belongs to the technical field of numerical control machining tools. A numerical control machining tool for an impeller cover comprises a base plate and further comprises a fixed plate fixedly connected to the base plate, a movable plate is arranged on the base plate, the movable plate and the fixed plate are symmetrically arranged on the base plate, arc-shaped bosses are fixedly connected to the opposite faces of the movable plate and the fixed plate, and the arc-shaped bosses are fixedly connected to the opposite faces of the movable plate and the fixed plate. A clamping part for pushing the movable plate to be close to or far away from the fixed plate is arranged on the base plate; the round holes are all formed in the base plate, and grooves aligned with the round holes are formed in the opposite faces of the fixed plate and the movable plate; according to the utility model, the fixing work of the impeller cover can be quickly completed, so that the punching work of the impeller cover can be conveniently completed by using numerical control machining equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control processing frock technical field especially relates to a kind of impeller cover numerical control processing frock. BACKGROUND

[0002] Impeller is a kind of rotating component, it is widely used in pump, fan, compressor and other fluid machinery, its main function is to exert force to fluid by rotating, to realize the delivery of fluid or the increase of pressure, and impeller cover is a kind of component commonly used in mechanical equipment, mainly used to cover and protect impeller, screw hole on impeller cover is mainly processed using numerical control processing equipment.

[0003] In the drilling of impeller cover, clamp is needed to complete the fixing work of impeller cover, since the shape of impeller cover is similar to disc and the material is metal, so the existing ordinary clamp cannot quickly complete the stable fixing work of impeller cover, which will affect the drilling work of impeller cover, therefore, it is urgent to design a kind of impeller cover numerical control processing frock which can conveniently fix impeller cover. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that impeller cover is inconvenient to be fixed and drilled in prior art, and provides an impeller cover numerical control processing frock.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An impeller cover numerical control processing frock, comprising a base plate, further comprising: a fixed plate fixedly connected to the base plate, wherein the base plate is provided with a movable plate, the movable plate and the fixed plate are symmetrically arranged on the base plate, the opposite surfaces of the movable plate and the fixed plate are fixedly connected with arc-shaped bosses, and the base plate is provided with a clamping portion for pushing the movable plate close to or away from the fixed plate; a plurality of round holes are arranged on the base plate, wherein the opposite surfaces of the fixed plate and the movable plate are provided with grooves aligned with the round holes.

[0007] In order to facilitate the horizontal movement of the movable plate, preferably, the clamping portion comprises an auxiliary plate arranged on the upper end surface of the base plate, the opposite surfaces of the auxiliary plate and the movable plate are provided with inclined surfaces, the two inclined surfaces and the upper end surface of the base plate form a trapezoidal groove, a trapezoidal block is longitudinally slidably installed between the two inclined surfaces, a spring is installed between the trapezoidal block and the bottom of the base plate and the movable plate, the upper end surface of the trapezoidal block is provided with a socket, the upper end surface of the base plate is provided with a screw hole aligned with the socket, and a long screw threadedly connected in the screw hole is inserted in the socket.

[0008] In order to guarantee the stability in the sliding process of the trapezoidal block, further, the trapezoidal block is fixedly connected with sliding blocks on two sides, sliding grooves are arranged on the two inclined surfaces, and the two sliding blocks are slidingly installed in the two sliding grooves respectively, and the spring is installed in the sliding groove.

[0009] In order to effectively limit the position of the auxiliary plate, preferably, the side wall of the base plate is fixedly connected with a side plate through a screw, and the auxiliary plate is located between the trapezoidal block and the side plate.

[0010] In order to facilitate the alignment of the punching position and the circular hole, preferably, a limiting block is fixedly connected to the fixed plate, and the limiting block is used for limiting the position of the impeller cover.

[0011] In order to effectively limit the fixed height of the impeller cover, further, an installation hole is arranged at the upper end of the base plate, and a positioning column is threadedly connected in the installation hole.

[0012] In order to facilitate the pushing of the convex block, further, the included angle between the inclined surface and the upper end surface of the base plate is 30°-80°.

[0013] In order to improve the fixing effect of the impeller cover, preferably, the clamping surface of the arc-shaped boss is circular arc-shaped and fixedly provided with an antiskid pad.

[0014] Compared with the prior art, the present application provides a kind of impeller cover numerical control machining frock, with the following beneficial effects:

[0015] The impeller cover numerical control machining frock places the impeller cover between the movable plate and the fixed plate, and makes the convex part of the impeller cover abut against the outer wall of the limiting block, at this time, the position of the impeller cover that needs to be punched is aligned with the circular hole, then the long screw is tightened, and the fixing work of the impeller cover is completed, so that the punching machining work of the impeller cover is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first perspective axonometric structure schematic view of the impeller cover numerical control machining frock of the present application;

[0017] Figure 2 It is a second perspective axonometric structure schematic view of the impeller cover numerical control machining frock of the present application;

[0018] Figure 3 It is an axonometric structure schematic view of the impeller cover numerical control machining frock of the present application in use state;

[0019] Figure 4 It is a base plate axonometric structure schematic view of the impeller cover numerical control machining frock of the present application;

[0020] Figure 5The utility model provides a kind of local axis measurement structure schematic of numerical control machining frock of impeller cover Figure 1 ;

[0021] Figure 6 The utility model provides a kind of local axis measurement structure schematic of numerical control machining frock of impeller cover Figure 2 .

[0022] In the drawing: 1, base plate; 2, fixed plate; 3, movable plate; 4, round hole; 5, recess; 6, limit block; 7, arc boss; 8, auxiliary plate; 9, inclined plane; 10, trapezoidal block; 11, side plate; 12, jack; 13, long screw; 14, sliding block; 15, sliding slot; 16, spring; 17, screw hole; 18, mounting hole; 19, positioning column. Specific embodiments

[0023] 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, not all the embodiments.

[0024] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] Embodiment

[0026] Reference Figures 1-6The utility model discloses an impeller cover numerical control processing frock, including the base plate 1 for fixing on numerical control processing equipment, the shape of base plate 1 is rectangle, still include: the fixed plate 2 of immobility, fixedly connected on base plate 1 through the positioning screw, wherein, the movable plate 3 is arranged on base plate 1, to promote the stability, movable plate 3 can also be transversely slidingly installed on base plate 1, movable plate 3 and fixed plate 2 are symmetrically arranged on base plate 1, the opposite surface of movable plate 3 and fixed plate 2 is fixedly connected with arc boss 7, the clamping surface of arc boss 7 is circular arc and is fixedly provided with antiskid pad, and the circular arc clamping surface can be well fitted with the surface of impeller cover, the clamping portion of base plate 1 is provided with the movable plate 3 for pushing close to or away from fixed plate 2, a plurality of round holes 4 are aligned with the drilling position of impeller cover, and are all arranged on base plate 1, wherein, the opposite surface of fixed plate 2 and movable plate 3 is provided with the groove 5 aligned with round hole 4, the limiting block 6 is fixedly connected on fixed plate 2, and the limiting block 6 is used for limiting the position of impeller cover, and is specifically used for the convex part of impeller cover, the upper end of base plate 1 is provided with the mounting hole 18, the positioning column 19 is screw connected in the mounting hole 18, and the positioning column 19 is used for limiting the fixed height of impeller cover.

[0027] Specifically, when the impeller cover needs to be fixed, the impeller cover is placed between the movable plate 3 and the fixed plate 2, and the convex part of the impeller cover is abutted on the outer wall of the limiting block 6, at this time, the position of the impeller cover that needs to be punched is aligned with the round hole 4, then the movable plate 3 is abutted on the outer wall of the impeller cover through the clamping portion, and the fixing work of the impeller cover is completed, so that the punching processing work of the impeller cover is facilitated.

[0028] The clamping portion in the impeller cover numerical control processing frock includes the auxiliary plate 8 arranged on the upper end surface of the base plate 1, the opposite surface of the auxiliary plate 8 and the movable plate 3 is provided with the inclined surface 9 with an inclined angle, the two inclined surfaces 9 and the upper end surface of the base plate 1 form a trapezoidal groove, the angle between the inclined surface 9 and the upper end surface of the base plate 1 is 30°-80°, and the preferred angle of the application is 60°, wherein the longitudinal sliding installation is provided between the two inclined surfaces 9, the trapezoidal block 10 is longitudinally slidingly installed between the two inclined surfaces 9, the shaft cross-sectional shape of the trapezoidal block 10 is isosceles trapezoidal, the spring 16 facilitating reset is installed between the trapezoidal block 10 and the bottom of the base plate 1 and the movable plate 3, the upper end surface of the trapezoidal block 10 is provided with the insertion hole 12, the upper end surface of the base plate 1 is provided with the screw hole 17 aligned with the insertion hole 12, the long screw 13 screwing in the screw hole 17 is inserted in the insertion hole 12, the top of the long screw 13 is fixedly provided with a nut, the side wall of the base plate 1 is fixedly connected with the side plate 11 through a screw, and the auxiliary plate 8 is located between the trapezoidal block 10 and the side plate 11.

[0029] Specifically, when the impeller cover needs to be fixed, the long screw 13 is tightened, the trapezoidal block 10 is pressed downward by the nut, the trapezoidal block 10 pushes the two movable plates 3 and the auxiliary plate 8 away from each other under the action of the inclined surface 9, when the movable plate 3 abuts against the outer wall of the impeller cover, the fixing of the impeller cover is completed, then the drill rod of the numerical control machining equipment passes through the circular hole 4 to complete the drilling work, when the drilling is completed, the long screw 13 is loosened, the spring 16 drives the trapezoidal block 10 to lift upward and reset, the two movable plates 3 and the auxiliary plate 8 are automatically reset to approach each other, and when the two movable plates 3 and the auxiliary plate 8 are away from each other, the auxiliary plate 8 is attached to the side plate 11, and the side plate 11 can effectively limit the auxiliary plate 8.

[0030] Both sides of the trapezoidal block 10 are fixedly connected with sliding blocks 14, the sliding blocks 14 are T-shaped, both the two inclined surfaces 9 are provided with sliding grooves 15, and the two sliding blocks 14 are slidingly installed in the two sliding grooves 15.

[0031] Specifically, when the trapezoidal block 10 slides upward or downward, the trapezoidal block 10 drives the two sliding blocks 14 to slide in the sliding grooves 15, and the sliding grooves 15 can effectively limit the sliding path of the trapezoidal block 10.

[0032] When the impeller cover needs to be fixed, the impeller cover is placed between the movable plate 3 and the fixed plate 2, and the protruding part of the impeller cover abuts against the outer wall of the limiting block 6, at this time, the position of the impeller cover to be punched is aligned with the circular hole 4, then the long screw 13 is tightened, the trapezoidal block 10 is pressed downward by the nut, the trapezoidal block 10 pushes the two movable plates 3 and the auxiliary plate 8 away from each other under the action of the inclined surface 9, when the movable plate 3 abuts against the outer wall of the impeller cover, the fixing of the impeller cover is completed, then the drill rod of the numerical control machining equipment passes through the circular hole 4 to complete the drilling work, when the drilling is completed, the long screw 13 is loosened, the spring 16 drives the trapezoidal block 10 to lift upward and reset, the two movable plates 3 and the auxiliary plate 8 are automatically reset to approach each other.

[0033] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A numerical control machining tool for impeller cover, comprising a base plate (1), characterized in that, Also include: The fixed plate (2) is fixedly connected on the base plate (1), Wherein, the base plate (1) is provided with movable plate (3), the movable plate (3) is symmetrically arranged on the base plate (1) with fixed plate (2), the opposite surface of movable plate (3) and fixed plate (2) is fixedly connected with arc boss (7), the base plate (1) is provided with clamping part for pushing movable plate (3) close to or away from fixed plate (2); A plurality of round holes (4) are arranged on the base plate (1), Wherein, the opposite surface of the fixed plate (2) and the movable plate (3) is provided with groove (5) aligned with the round hole (4).

2. The numerical control machining tool for a cover of an impeller according to claim 1, characterized in that, The clamping part includes the auxiliary plate (8) arranged on the upper end surface of the base plate (1), the auxiliary plate (8) is provided with inclined surface (9) on the opposite surface of the movable plate (3), the two inclined surfaces (9) and the upper end surface of the base plate (1) form trapezoidal groove, Wherein, the trapezoidal block (10) is longitudinally slidably installed between the two inclined surfaces (9), the spring (16) is installed between the trapezoidal block (10) and the bottom of the movable plate (3) of the base plate (1), the upper end surface of the trapezoidal block (10) is provided with the jack (12), the upper end surface of the base plate (1) is provided with screw hole (17) aligned with the jack (12), the long screw (13) is inserted into the jack (12) and screwed into the screw hole (17).

3. The numerical control machining tool for a cover of an impeller according to claim 2, characterized in that, The two sides of the trapezoidal block (10) are fixedly connected with the sliding block (14), the sliding groove (15) is arranged on the two inclined surfaces (9), the two sliding blocks (14) are slidably installed in the two sliding grooves (15), and the spring (16) is installed in the sliding groove (15).

4. The numerical control machining tool for a cover of an impeller according to claim 2, characterized in that, The side wall of the base plate (1) is fixedly connected with the side plate (11) through the screw, and the auxiliary plate (8) is located between the trapezoidal block (10) and the side plate (11).

5. The numerical control machining tool for a cover of an impeller according to claim 1, characterized in that, The fixed plate (2) is fixedly connected with the limiting block (6), and the limiting block (6) is used for limiting the position of the impeller cover.

6. The numerical control machining tool for a cover of an impeller according to claim 1, wherein The upper end of the base plate (1) is provided with mounting hole (18), and the positioning column (19) is screwed into the mounting hole (18).

7. The numerical control machining tool for a cover of an impeller according to claim 2, wherein The angle between the inclined surface (9) and the upper end surface of the base plate (1) is 30°-80°.

8. The numerical control machining tool for a cover of an impeller according to claim 1, wherein The clamping surface of the arc boss (7) is circular arc and fixedly provided with antiskid pad.

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