Machining tool for balance valve body

Abstract

The utility model discloses a machining tool for a balance valve body, belongs to the technical field of balance valve body machining, and solves the problems that an existing balance valve body is low in machining efficiency and uneven in product quality. The device comprises a bottom plate, a first pressing assembly is arranged at the front end of the bottom plate, a plurality of second pressing assemblies are arranged on the two sides of the bottom plate, mounting grooves are formed in the two sides of the front end of the bottom plate, horizontal adjusting devices used for adjusting the front-back height difference of the balance valve body are arranged on the mounting grooves, a detachable orientation plate is arranged at the tail of the bottom plate, and the orientation plate is arranged on the bottom plate. A plurality of pin holes are formed in the middle of the bottom plate, positioning pins corresponding to hole positions of the balance valve body are arranged on the pin holes, the horizontal adjusting device comprises a hexagonal wheel and a screw rod, and one end of the screw rod is in threaded connection with the bottom plate. According to the machining tool for the balance valve body, the balance valve body can be rapidly and stably pressed, the machining precision is improved, and the product quality is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to balanced valve body processing technical field more specifically, it relates to a kind of processing tool of balanced valve body. BACKGROUND

[0002] Balanced valve is a kind of special function valve, to adjust the relative balance of both sides pressure, or reach the balance of flow by shunting, balanced valve body processing is very complex, need to mill surface, process O-ring counterbore and process flange oil port, in order to accurately process to the size required, the existing clamping mode is using pressure block directly to be pressed on milling machine worktable, during processing, due to vibration and cause the loosening of pressing block, and then move, cause inaccuracy, and the blank of balanced valve body is cast piece, simply simple pressing, without adjusting ability, difficult to process to the precision requirement required, need staff to clamp multiple times, lead to low processing efficiency, and the product quality of processing is uneven, lead to high scrap rate. SUMMARY

[0003] The utility model solves the technical problem to the above insufficient of prior art, the utility model aims at providing a kind of processing tool of balanced valve body, can quickly and stably press balanced valve body, improve processing precision, effectively improve product quality, with convenience, strong practicality.

[0004] In order to realize the above-mentioned purpose, the utility model provides a kind of processing tool of balanced valve body, including bottom plate, the first pressing assembly is equipped in the bottom plate front end, the bottom plate both sides are equipped with a plurality of second pressing assemblies, the installation slot is set up in the bottom plate front end both sides, the horizontal adjusting device for adjusting the height difference of balanced valve body front and back is equipped on the installation slot, the detachable directional plate is equipped in the bottom plate tail, the plurality of pinholes are set up in the bottom plate, the positioning pin corresponding with balanced valve body hole position is equipped on the pinhole, the horizontal adjusting device includes hexagonal wheel and screw rod, one end of the screw rod is connected with the bottom plate by screw thread, the other end of the screw rod is connected with the hexagonal wheel, the hexagonal wheel is in contact with the bottom of balanced valve body.

[0005] As further improvement, the first pressing assembly includes top rod, pressing plate, first locking bolt and first locking nut, one end of the first locking bolt is connected with the bottom plate, and the other end is connected with the first locking nut by screw thread after passing through the pressing plate, one end of the top rod is inserted into the bottom plate, and the other end is in contact with the pressing plate.

[0006] Further, the second pressing assembly comprises a directional block, a directional pressing block, a second locking bolt and a second locking nut, one end of the second locking bolt is connected with the bottom plate, the other end is connected with the second locking nut through the directional pressing block, the directional block is detachably installed on the bottom plate, a placing groove is formed in the upper end of the directional block, one end of the directional pressing block is placed in the directional block, and the other end of the directional pressing block is in contact with the hole positions on both sides of the balance valve body.

[0007] Further, the cross section of the directional pressing block is a semispherical structure, and the number of the second pressing assemblies on both sides is the same and symmetrically arranged.

[0008] Further, the number of the second pressing assemblies is four, and the two second pressing assemblies are arranged on both sides of the bottom plate.

[0009] Further, a long slot hole is formed in the directional plate, a connecting bolt is arranged on the long slot hole, and the connecting bolt is connected with the bottom plate through the long slot hole.

[0010] Further, a plurality of threaded holes are formed in the middle of the bottom plate, and a plurality of locking screws are arranged in the threaded holes.

[0011] Beneficial effects

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] When the O-shaped ring counterbore needs to be machined, only one second pressing assembly is installed on each side of the bottom plate, the balance valve body is preliminarily positioned through the positioning pin, the direction of the balance valve body is adjusted by using the directional plate, the deviation of the balance valve body is prevented from being too large, the directional pressing block is placed on the hole positions on both sides of the balance valve body by hand, then the pressing plate is pressed on the top surface of the balance valve body, finally, the directional pressing block and the pressing plate are pressed from different directions on the balance valve body by locking a plurality of locking nuts, the position parallelism of the valve core hole and the O-shaped ring counterbore of the balance valve body is effectively ensured by the positioning pin, the directional pressing block and the pressing plate, the balance valve body can be quickly pressed, the deviation during machining is prevented, and the machining precision is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a three-dimensional structure schematic view of the utility model;

[0015] Fig. 2 is a structure schematic view of the utility model when machining O-shaped ring counterbore;

[0016] Fig. 3 is a structure schematic view of the utility model when machining flange oil port.

[0017] Among them: 1-balance valve body, 2-first compression assembly, 3-second compression assembly, 4-horizontal adjusting device, 5-bottom plate, 6-mounting groove, 7-directional plate, 8-long slot hole, 9-locking screw, 10-positioning pin, 11-O-shaped ring counterbore, 12-flange oil port, 13-putting groove, 21-first locking nut, 22-first locking bolt, 23-pressing plate, 24-jack, 31-directional block, 32-directional pressing block, 33-second locking nut, 34-second locking bolt, 41-screw rod, 42-hexagonal wheel. DETAILED DESCRIPTION

[0018] The utility model will be further explained in combination with specific embodiments in the drawings.

[0019] Reference Figs. 1-3The utility model discloses a processing frock of balance valve body, including bottom plate 5, be equipped with first pressure assembly 2 to bottom plate 5 front end, be equipped with a plurality of second pressure assembly 3 to bottom plate 5 both sides, the both sides of bottom plate 5 front end are all seted up mounting groove 6, be equipped with the horizontal adjusting device 4 for adjusting the height difference of balance valve body 1 before and after on mounting groove 6, the tail of bottom plate 5 is equipped with detachable directional board 7, the middle of bottom plate 5 is seted up a plurality of pin hole, be equipped with the positioning pin 10 corresponding with balance valve body 1 hole position on pin hole, horizontal adjusting device 4 includes hexagonal wheel 42 and screw rod 41, and one end of screw rod 41 is connected in screw thread with bottom plate 5, and the other end of screw rod 41 is connected with hexagonal wheel 42, and hexagonal wheel 42 is contacted with the bottom of balance valve body 1, when needing to process O ring counterbore 11, only install one second pressure assembly 3 on the both sides of bottom plate 5, first, balance valve body 1 is positioned preliminarily through positioning pin 10, and the direction of balance valve body 1 is adjusted using directional board 7, to prevent balance valve body 1 deviation too big, then the directional pressing block 32 is placed on the hole position on the both sides of balance valve body 1 by hand, then the pressing plate 23 is pressed on the top surface of balance valve body 1, finally through locking a plurality of locking nuts, so that directional pressing block 32 and pressing plate 23 are pressed from different directions to balance valve body 1, the valve core hole and O ring counterbore 11 position of balance valve body 1 are effectively guaranteed parallel using positioning pin 10, directional pressing block 32 and pressing plate 23, balance valve body 1 can be quickly pressed, and deviation is placed when processing, effectively improve the processing accuracy, when processing flange oil port 12, need to install two second pressure assembly 3 on the both sides of bottom plate 5, and first pressure assembly 2 is removed, first, two directional pressing blocks close to flange oil port 12 are pre-tightened, guarantee that the product has been processed plane and fixture positioning surface fit, slightly adjust horizontal adjusting device by hand, so that the top surface of hexagonal wheel 42 is contacted with balance valve body 1, play the role of support, adjust balance valve body 1 to the horizontal state, reduce the deformation caused by pressing balance valve body 1, guarantee the accuracy when processing, the whole frock can be used for processing O ring counterbore 11 and the positioning clamping of flange oil port 12 simultaneously, improve the processing accuracy, to satisfy the production demand, reduce the scrap rate.

[0020] Specifically, the first pressure assembly 2 comprises a top rod 24, a pressing plate 23, a first locking bolt 22 and a first locking nut 21, one end of the first locking bolt 22 is connected with the bottom plate 5, the other end is connected with the first locking nut 21 in screw thread after penetrating through the pressing plate 23, one end of the top rod 24 is inserted into the bottom plate 5, the other end is contacted with the pressing plate 23, the pressing plate 23 can horizontally press the balance valve body 1 by supporting the top rod 24, so that the balance valve body 1 always maintains a horizontal state during the processing, so that the hole position processed will not be inclined.

[0021] Preferably, the second pressing assembly 3 comprises a directional block 31, a directional pressing block 32, a second locking bolt 34 and a second locking nut 33, one end of the second locking bolt 34 is connected with the bottom plate 5, the other end is screwed with the second locking nut 33 after passing through the directional pressing block 32, the directional block 31 is detachably installed on the bottom plate 5, a placing groove 13 is formed in the upper end of the directional block 31, one end of the directional pressing block 32 is placed in the directional pressing block 32, the other end of the directional pressing block 32 is in contact with the hole positions on both sides of the balance valve body 1, the directional block 31 plays a supporting role, so that the directional pressing block 32 can be pressed horizontally on the hole positions on both sides of the balance valve body 1, and the balance valve body 1 is pressed from different directions, so that deviation in the machining process is avoided.

[0022] Further, the cross section of the directional pressing block 32 is a semispherical structure, the two second pressing assemblies 3 are arranged symmetrically and have the same number, the semispherical structure is more fitted with the hole positions on both sides of the balance valve body 1, and the semispherical structure is not easy to loosen in the pressing process, so that the pressing effect is better.

[0023] Further, the number of the second pressing assemblies 3 is four, and the two second pressing assemblies 3 are arranged on the two sides of the bottom plate, so that the balance valve body 1 is pressed from different directions, and the effect is better.

[0024] Further, a long slot hole 8 is formed in the directional plate 7, a connecting bolt is arranged on the long slot hole 8, the connecting bolt is connected with the bottom plate 5 through the long slot hole 8, and the position of the directional plate 7 is adjusted through the long slot hole 8, so that the balance valve body 1 can be adjusted on the directional plate 7.

[0025] Further, a plurality of threaded holes are formed in the middle of the bottom plate 5, a plurality of locking screws 9 are arranged in the threaded holes, the balance valve body 1 is installed on the bottom plate 5 through the locking screws 9, the bottom plate 5 is installed on the four-axis machining machine tool, the valve core hole is machined, and the multi-purpose is realized.

[0026] The above is only the preferred embodiment of the utility model, and it should be pointed out that for those skilled in the art, without departing from the structure of the utility model, a plurality of deformations and improvements can be made, which will not affect the effect and practicability of the utility model.

Claims

1. A machining tool for a balanced valve body, characterized by The utility model provides a balance valve body (1) is installed on the bottom plate (5) of the balance valve body (1) and is used for the balance valve body (1) to be fixed on the bottom plate (5), the bottom plate (5) is provided with the first compression assembly (2) in the front end, and the bottom plate (5) is provided with a plurality of second compression assemblies (3) on both sides, the bottom plate (5) is provided with the installation groove (6) on both sides in the front end, the installation groove (6) is provided with the horizontal adjusting device (4) for adjusting the height difference of balance valve body (1) front and back, the bottom plate (5) tail is provided with detachable directional board (7), the bottom plate (5) is provided with a plurality of pin holes in the middle, and the pin hole is provided with the positioning pin (10) corresponding with the hole position of balance valve body (1), the horizontal adjusting device (4) includes hexagonal wheel (42) and screw rod (41), one end of screw rod (41) is connected with the bottom plate (5) in screw thread, and the other end of screw rod (41) is connected with hexagonal wheel (42), and hexagonal wheel (42) is in contact with the bottom of balance valve body (1).

2. The machining tooling for balancing a valve body of claim 1, wherein, The first compression assembly (2) includes a top rod (24), a pressing plate (23), a first locking bolt (22) and a first locking nut (21), one end of the first locking bolt (22) is connected with the bottom plate (5), the other end passes through the pressing plate (23) and is connected with the first locking nut (21) in screw thread, one end of the top rod (24) is inserted into the bottom plate (5), and the other end is in contact with the pressing plate (23).

3. The machining tooling for balancing valve bodies of claim 1, wherein, The second compression assembly (3) includes a directional block (31), a directional pressing block (32), a second locking bolt (34) and a second locking nut (33), one end of the second locking bolt (34) is connected with the bottom plate (5), the other end passes through the directional pressing block (32) and is connected with the second locking nut (33) in screw thread, the directional block (31) is detachably installed on the bottom plate (5), the upper end of the directional block (31) is provided with a placing groove (13), one end of the directional pressing block (32) is placed in the directional pressing block (32), and the other end of the directional pressing block (32) is in contact with the hole position on both sides of the balance valve body (1).

4. The machining tooling for balancing a valve body of claim 3, wherein, The cross section of the directional pressing block (32) is a hemispherical structure, and the number of the second compression assemblies (3) on both sides is the same and symmetrically arranged.

5. The machining tooling for balancing a valve body as defined in claim 4, wherein, The number of the second compression assemblies (3) is four, and the second compression assemblies (3) are arranged on both sides of the bottom plate two by two.

6. The machining tooling for balancing valve bodies of claim 1, wherein, The directional board (7) is provided with a long slot hole (8), the long slot hole (8) is provided with a connecting bolt, and the connecting bolt is connected with the bottom plate (5) through the long slot hole (8).

7. The machining tooling for balancing valve bodies of claim 1, wherein, The bottom plate (5) is provided with a plurality of threaded holes in the middle, and the threaded holes are provided with a plurality of locking screws (9).

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