CN210306801U - Machining clamping fixture of numerical control drilling machine for noise reduction plate - Google Patents

Abstract

The utility model provides a noise reduction plate numerically-controlled drilling machine processing mould, including the mould body, the mould body is second grade step-like cylindrical structure, and the open-end has the through-hole in the second grade step-like cylindrical structure, and the through-hole includes circular port and the rectangular hole that is located the top, and the axial lead of circular port overlaps with the axial lead of the second grade step-like cylindrical structure of mould body, and the diameter of circular port and the diameter looks adaptation of noise reduction plate, and the radial cross-section of rectangular hole is the rectangle and the length and width of rectangle and the rectangle that is located the outside through-hole constitution looks adaptation; alignment marks are respectively arranged on the upper end surface of the mould body; the upper top surface of the mould body is also connected with a pressing plate through a bolt nut; the outer disc of clamp plate and the circular port adaptation of the second grade step-like structure of through-hole. The utility model provides a board numerically-controlled drilling machine of making an uproar processing mould falls, structural design is reasonable, can effectively be applicable to the processing of falling the board of making an uproar, and the location is accurate, the alignment is convenient, and job stabilization can effectively improve the production machining efficiency of falling the board of making an uproar on the numerically-controlled vertical drill.

Description

Machining clamping fixture of numerical control drilling machine for noise reduction plate

Technical Field

The utility model relates to a valve spare part processing technology field especially relates to a board numerically-controlled drilling machine processing mould of making an uproar falls.

Background

The noise reduction plate is an important sub-part in a flow passage hole of the ball core of the ball valve, four noise reduction plates are sequentially inserted according to the cutting grooves, a groined noise reduction plate component is formed, the noise reduction plate component is placed in the flow passage hole and is integrated with the ball core through spot welding, and the purpose of reducing fluid noise can be achieved when the noise reduction plate is used. The noise reduction plate is generally a stainless steel plate as shown in fig. 3, the upper and lower ends of the stainless steel plate are planes, the front and rear sides are also planes, the left and right sides are partial cylindrical surfaces connecting the front and rear sides and the upper and lower sides, and a plurality of through holes and two grooves parallel to the front and rear sides are formed between the upper and lower end surfaces of the stainless steel plate. The planes at the upper end and the lower end of the stainless steel plate are incomplete circular surfaces left after being cut by two parallel lines. In the processing, the stainless steel plate can be processed into the shape and two grooves by wire cutting, and can also be formed by a plurality of pieces of stainless steel by one-time wire cutting. And the through hole is processed on a numerical control drilling machine. In order to improve the production and processing efficiency, it is necessary to design a processing clamping fixture for a numerical control vertical drill aiming at a noise reduction plate structure, so that stable processing is realized after accurate positioning and alignment are facilitated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the utility model provides a can effectively improve production efficiency, fix a position accuracy, alignment convenience and job stabilization fall board numerically-controlled drilling machine processing mould of making an uproar.

The utility model provides a technical scheme that its technical problem adopted is: a machining mould of a numerical control drilling machine for a noise reduction plate is used for machining the noise reduction plate, through holes are distributed on the noise reduction plate, the machining mould of the noise reduction plate numerical control drilling machine comprises a mould body, the mould body is of a two-stage step-shaped cylindrical structure, the two-stage step-shaped cylindrical structure comprises a large outer diameter section and a small outer diameter section, the large outer diameter section is fixed on the upper top surface of the small outer diameter section, the outer diameter of the large outer diameter section is larger than that of the small outer diameter section, a through hole is arranged in the two-stage step-shaped cylindrical structure, the through hole is a two-stage step-shaped structure which comprises a circular hole positioned above and a rectangular hole positioned below the circular hole, the axial lead of the circular hole is overlapped with the axial lead of the two-stage step-shaped cylindrical structure of the mould body, the diameter of the circular hole is matched with that of the noise reduction plate, the radial section of the rectangular hole is rectangular, and the length and width of the rectangle are matched with those of a rectangle formed by through holes positioned on the outermost side; alignment marks are respectively arranged on the upper end surface of the mould body along the extension lines of the length and the width of the rectangular hole; the upper top surface of the large outer diameter section of the mould body is also connected with a pressing plate which is used for pressing the noise reduction plate on the upper end surface of the rectangular hole of the secondary step-shaped structure of the through hole through a bolt nut; the outer circular surface of the pressing plate is matched with the circular hole of the two-stage step-shaped structure of the through hole.

Furthermore, the clamp plate quantity be two, the last top surface interval equipartition of big external diameter section of mould body have four screw holes, wherein two screw hole positions correspond with clamp plate mounted position to be fixed with the clamp plate through the female crimping of bolt, two other screw holes then threaded connection have can carry out the eyebolt of hoist with the mould body.

In the scheme, the clamping fixture below the upper circle is ingeniously designed according to the structure of the noise reduction plate, the noise reduction plate can be pressed in the clamping fixture body, alignment is carried out through the alignment groove of the rectangular hole, the through hole can be machined through the numerical control drilling machine through the clamping fixture, and machining of the through holes can be completed in one clamping.

The beneficial effects of the utility model are that, the utility model provides a board numerically-controlled drilling machine of making an uproar processing mould falls, structural design is reasonable, can effectively be applicable to the processing of falling the board of making an uproar, and the location is accurate, the alignment is convenient, and job stabilization can effectively improve the production machining efficiency of falling the board of making an uproar on the numerical control vertical drill.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

FIG. 3 is a schematic view of a noise reduction plate.

In the figure, the device comprises a through hole 1, a through hole 2, a noise reduction plate 3, a mould body 4, a circular hole 5, a rectangular hole 6, an alignment reticle 7, a pressing plate 8 and a bolt nut.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

A board numerically-controlled drilling machine of making an uproar processing mould falls as shown in fig. 1 and fig. 2 is the utility model discloses the preferred embodiment for processing board 2 of making an uproar falls as shown in fig. 3. Through holes 1 are distributed on the noise reduction plate 2. 2 numerically-controlled drilling machine processing mould of board of making an uproar falls, including mould body 3, mould body 3 be second grade step form cylindrical structure, second grade step form cylindrical structure includes big external diameter section and little external diameter section, top surface on little external diameter section is fixed to big external diameter section, and the external diameter of big external diameter section is greater than the external diameter of little external diameter section.

Second grade step form cylindrical structure in seted up through-hole 1, through-hole 1 is second grade step form structure, second grade step form structure including the circular port 4 that is located the top and the rectangular hole 5 that is located circular port 4 below, the axial lead of circular port 4 overlap with the axial lead of the second grade step form cylindrical structure of mould body 3, and the diameter of circular port 4 and the diameter looks adaptation of falling the board 2 of making an uproar, the radial cross-section of rectangular hole 5 for the rectangle and the rectangular length width of rectangle and be located the rectangle looks adaptation that outside through-hole 1 constitutes.

And the upper end surface of the mould body 3 is also provided with an alignment reticle 6 along the extension line of the length and the width of the rectangular hole 5, and the alignment reticle 6 is the alignment surface. The upper top surface of the large outer diameter section of the mould body 3 is also connected with two pressing plates 7 through bolts 8, and the pressing plates 7 are used for pressing the noise reduction plate 2 on the upper end surface of the rectangular hole 5 of the through hole 1 in the secondary step-shaped structure; the outer circular surface of the pressing plate 7 is matched with the circular hole 4 of the two-stage step-shaped structure of the through hole 1.

Four threaded holes are uniformly distributed on the upper top surface of the large outer diameter section of the mould body 3 at intervals, two threaded holes correspond to the installation positions of the pressing plate 7, the pressing plate 7 is fixedly connected through the bolt nut 8 in a compression joint mode, and the other two threaded holes are in threaded connection with lifting bolts capable of hoisting the mould body 3.

In use, the three claws of the numerically controlled drilling machine are fixed on the workbench, the mould body 3 is placed in the three claws, the upper top surface of the mould body 3 is aligned, and then the three claws clamp the mould body 3. Then the noise reduction plate 2 is placed in the upper top surface of the large outer diameter section of the mould body 3, the position of the noise reduction plate 2 is correspondingly leveled with the alignment reticle 6 through visual inspection of human eyes, and then the patch pressing plate 7 is installed in a pressing mode to compress the workpiece. When the numerical control drilling machine is used for machining, the position of the noise reduction plate 2 to be machined can be determined in advance according to the coordinate values of the horizontal positioning surface and the vertical positioning surface of the clamping fixture body 3, and the through hole 1 is machined through the numerical control drilling machine. In the alignment process, due to the loose requirement of the precision of the noise reduction plate 2, the alignment reticle 6 only needs to be aligned by visual inspection during the alignment. The design of the alignment reticle 6 is more convenient for alignment and positioning in processing, and the alignment operation is effectively simplified. In actual processing, also can suitably increase the height of 3 big external diameter sections of mould body, be convenient for put into the polylith and fall board 2 of making an uproar and carry out drilling operation simultaneously, effectively improve the stability of production, the board 2 uniformity of making an uproar that falls of producing is high.

In the above scheme, ingenious according to the structure of falling board 2 of making an uproar, designed the mould of circle below, can will fall board 2 crimping of making an uproar in mould body 3 to alignment groove 6 through rectangular hole 5 carries out the alignment, through the centre gripping mould, can use numerically-controlled drilling machine processing through-hole 1, the processing of a plurality of through-holes 1 can be accomplished in a centre gripping. Simultaneously, circular port 4 and rectangular hole 5's design can be convenient for when using three-jaw centre gripping mould body, can select from top or below to fall the board of making an uproar and carry out the drilling operation according to the drilling demand. Especially, the design of the rectangular hole 5 can distinguish the upper part and the lower part of the noise reduction plate, the through hole position can be roughly marked, the drilling operation cannot be obstructed, and the numerical control vertical drill tool bit can conveniently enter the drilling hole.

The board 2 numerically-controlled drilling machine of making an uproar processing mould of making an uproar falls of so design, structural design is reasonable, can effectively be applicable to the processing of making an uproar board 2 of making an uproar, and the location is accurate, the alignment is convenient, job stabilization, can effectively improve the production machining efficiency of making an uproar board 2 on the numerically-controlled vertical drill of making an uproar.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (2)

1. The utility model provides a board numerically-controlled drilling machine of making an uproar processing mould falls for board (2) of making an uproar falls in processing, it has through-hole (1), its characterized in that to fall to distribute on board (2) of making an uproar: comprises a mould body (3), the mould body (3) is in a two-stage step-shaped cylindrical structure, the two-stage step-shaped cylindrical structure comprises a large outer diameter section and a small outer diameter section, the large outer diameter section is fixed on the upper top surface of the small outer diameter section, the outer diameter of the large outer diameter section is larger than that of the small outer diameter section, a through hole (1) is arranged in the two-stage step-shaped cylindrical structure, the through hole (1) is a two-stage step-shaped structure which comprises a round hole (4) positioned above and a rectangular hole (5) positioned below the round hole (4), the axial lead of the circular hole (4) is overlapped with the axial lead of the two-stage step-shaped cylindrical structure of the clamping fixture body (3), the diameter of the circular hole (4) is matched with that of the noise reduction plate (2), the radial section of the rectangular hole (5) is rectangular, and the length and the width of the rectangle are matched with those of the rectangle formed by the through holes (1) positioned on the outermost side; the upper end surface of the mould body (3) is also provided with alignment marks (6) along the extension lines of the length and the width of the rectangular hole (5); the upper top surface of the large outer diameter section of the mould body (3) is also connected with a pressing plate (7) which presses the noise reduction plate (2) on the upper end surface of the rectangular hole (5) of the secondary step-shaped structure of the through hole (1) through a bolt nut (8); the outer circular surface of the pressing plate (7) is matched with the circular hole (4) of the two-stage step-shaped structure of the through hole (1).

2. The noise reduction plate numerically-controlled drilling machine machining jig of claim 1, characterized in that: the mould body (3) is provided with four threaded holes at intervals, wherein the two threaded holes correspond to the mounting positions of the pressing plate (7) and are fixedly connected with the pressing plate (7) through a bolt nut (8), and the other two threaded holes are in threaded connection with lifting bolts capable of lifting the mould body (3).

Images