A flexible tooling for butterfly valve body

Abstract

The present invention discloses a flexible tooling for a butterfly valve body, comprising an oblique die, a circular base plate, and a connecting plate. A plurality of mutually perpendicular T-shaped grooves are provided on the circular base plate at equal intervals. An angular positioning assembly and a clamping assembly are also provided on the circular base plate. A connecting through hole is provided at the center position of the circular base plate, and a stepped through hole is provided at the center position of the connecting plate. A stepped positioning shaft is connected to the stepped through hole, and the bottom of the stepped positioning shaft passes through the stepped through hole and is inserted into the connecting through hole. A centering chuck is connected to the connecting plate through the stepped positioning shaft. The centering chuck is detachably connected with three groups of specific claws, and a support ring is sleeved on the outer side of the centering chuck. The design of the oblique die, the circular base plate, the connecting plate, the angular positioning assembly and the clamping assembly can meet the processing of butterfly valve bodies of various sizes and models by replacing fewer parts. The product quality is stable, the replacement time is short, the application range is wide, and the production cost is saved.

Description

Technical Field

[0001] The invention belongs to the technical field of butterfly valve body processing equipment and relates to a flexible tooling for a butterfly valve body. Background Art

[0002] China's machining sector is experiencing rapid growth, creating a vast market. The valve industry, as a key component of the equipment manufacturing industry, plays a crucial role in national economic development. The butterfly valve industry produces a wide variety of workpieces, and valve body manufacturing companies often face the challenge of manufacturing dozens or even hundreds of different workpieces.

[0003] Chinese Patent Application No. 202021385994.0, a tool for machining the center hole of a butterfly valve body, comprising a base, a rotating disk, a pad, a positioning plate, a positioning device, a sleeve remover, a pressure plate, and a bearing; the base is fixed to the tool holder of the processing machine tool; the bearing is fixed to the base, and a bearing pad is provided between the bearing and the base; the rotating disk is fixed to the base by T-slot bolts; the pad and the rotating disk are fixed by hexagonal bolts, and the pressure plate and the rotating disk are connected by locking bolts; the positioning plate is internally connected to the through hole of the pad, and the positioning plate and the pad are fixed by hexagonal bolts. The utility model has a simple structure and is easy to operate. The tool for machining the butterfly valve body meets the requirements of machining dimensions and tolerances, ensures the process requirements of the coaxiality of the valve body hole, and improves the processing requirements of the valve body hole. This technical solution is suitable for small-batch production mode. When butterfly valve bodies of different sizes and models need to be produced, tooling needs to be frequently changed, and adjustment time is required after tooling is changed, which affects the stability of production quality and has poor compatibility. The utility model proposes a new solution to the above problems. Summary of the Invention

[0004] In response to the problems existing in the prior art, the purpose of the present invention is to provide a flexible tooling for butterfly valve bodies. The tooling has a compact structure and is easy to disassemble, install and assemble. By replacing fewer parts, it can be used to process butterfly valve bodies of various sizes and models. The product quality is stable, the tooling replacement time is short, the application range is wide, and production costs are saved.

[0005] In order to solve the above problems, the present invention adopts the following technical solutions:

[0006] A flexible tooling for a butterfly valve body comprises an oblique mold, a circular base plate, and a connecting plate, wherein the oblique mold and the connecting plate are concentrically detachably connected to the circular base plate, and the circular base plate is provided with a plurality of mutually perpendicular T-shaped grooves at equal intervals, and a plurality of first threaded holes are provided on the circular base plate. The circular base plate is also provided with an angular positioning assembly and a clamping assembly, and a connecting through hole is provided at the center position of the circular base plate. A stepped through hole is provided at the center position of the connecting plate, and a cross keyway and a plurality of second threaded holes are provided on the connecting plate. A stepped positioning shaft is connected in the stepped through hole, and the bottom of the stepped positioning shaft passes through the stepped through hole and is inserted into the connecting through hole. A centering chuck is connected to the connecting plate through the stepped positioning shaft, and the centering chuck is detachably connected to three groups of specific claws. A support ring is sleeved on the outside of the centering chuck, and the support ring is bolted to the connecting plate. The angular positioning assembly, the clamping assembly, the specific claws, and the support ring are arranged in coordination.

[0007] Preferably, the angular positioning assembly includes an extension plate, a support block, a support tube and a gasket, the extension plate is connected to the circular base plate by bolts, the support block is connected to the extension plate by T-bolts, a T-shaped keyway is provided on the side wall of the support block along its height direction, the support tube is connected to the T-shaped keyway by a fastening cap, and the gasket is plugged into the support tube.

[0008] Preferably, the clamping assembly includes a pressing plate, a stud bolt, a connecting block, and a T-screw. The connecting block is bolted to the circular base plate, the bottom of the stud bolt is threadedly connected to the top of the connecting block, and the top of the stud bolt is threadedly connected to one end of the pressing plate. A rectangular through groove is provided on the pressing plate, and the T-end of the T-screw is slidably connected to the T-slot, and the top of the T-screw is threadedly connected to a nut through the rectangular through groove.

[0009] Preferably, a mounting hole is opened at the center of the upper end surface of the inclined mold, a cross positioning shaft is inserted into the mounting hole, the bottom bolt of the cross positioning shaft is connected to the mounting hole, and the top of the cross positioning shaft is inserted into the bottom of the connecting through hole.

[0010] Furthermore, sawtooth limiting grooves are respectively provided on the inner walls of the connecting through holes, and the bottom of the stepped positioning shaft and the top of the cross positioning shaft are respectively inserted into the sawtooth limiting grooves of the connecting through holes.

[0011] Furthermore, the inclined mold is connected to the circular base plate by bolts.

[0012] Furthermore, the lower end surface of the oblique mold is provided with a fan-shaped positioning groove, a center positioning groove and a fixing through hole.

[0013] Preferably, one group of the T-shaped slots along the diameter direction of the circular base plate and the inclination direction of the inclined mold are in the same vertical plane.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] The present invention designs the oblique mold, circular base plate, connecting plate, angular positioning assembly and clamping assembly, and each component of the entire tooling set is available in a variety of sizes and models, which can be selected and assembled according to the size of the butterfly valve body to be processed. The entire tooling structure is compact and easy to disassemble and install. It can also be used to process butterfly valve bodies of various sizes and models by replacing fewer parts, greatly reducing the cost caused by replacing production and processing equipment. The product quality is stable, the replacement time is short, the application range is wide, and production costs are saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the use of a flexible tooling for a butterfly valve body of the present invention;

[0017] Figure 2 A top view of the structure of the present invention;

[0018] Figure 3 It is a front view of the structure of the present invention;

[0019] Figure 4 for Figure 3 Schematic diagram of the AA cross-section structure.

[0020] Description of the numbers in the figure:

[0021] 1. Inclined die; 2. Circular base plate; 3. Connecting plate; 201. T-shaped slide; 202. First threaded hole; 4. Angular positioning assembly; 5. Clamping assembly; 203. Connecting through hole; 301. Stepped through hole; 302. Cross keyway; 303. Second threaded hole; 6. Stepped positioning shaft; 7. Centering chuck; 8. Specific jaws; 9. Support ring; 401. Extension plate; 402. Support block; 403. Support tube; 404, gasket; 405, T-keyway; 501, pressure plate; 502, stud bolt; 503, connecting block; 504, T-screw; 505, rectangular through slot; 801, vertical lathe claw; 802, drilling claw; 701, mounting slot; 702, drive seat; 101, mounting hole; 102, cross locating shaft; 103, fan-shaped locating slot; 104, center locating slot; 105, fixing through hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0023] See also Figures 1 to 4 A flexible tooling for a butterfly valve body includes an oblique die 1, a circular base plate 2, and a connecting plate 3. The oblique die 1 and the connecting plate 3 are concentrically detachably connected to the circular base plate 2. A plurality of mutually perpendicular T-shaped slide grooves 201 are provided on the circular base plate 2 at equal intervals. A plurality of first threaded holes 202 are provided on the circular base plate 2. An angular positioning component 4 and a pressing component 5 are also provided on the circular base plate 2. A connecting through hole 203 is provided at the center position of the circular base plate 2. A stepped through hole 301 is provided at the center position of the connecting plate 3. The connecting plate 3 is provided with a cross keyway 302 and a plurality of second threaded holes 303, a stepped through hole 301 is connected with a stepped positioning shaft 6, the bottom of the stepped positioning shaft 6 passes through the stepped through hole 301 and is inserted into the connecting through hole 203, a centering chuck 7 is connected to the connecting plate 3 through the stepped positioning shaft 6, the centering chuck 7 is detachably connected with three groups of specific claws 8, a support ring 9 is sleeved on the outside of the centering chuck 7, the support ring 9 is bolted to the connecting plate 3, and the angular positioning assembly 4, the clamping assembly 5, the specific claws 8, and the support ring 9 are arranged in coordination.

[0024] In this embodiment, the angular positioning assembly 4 includes an extension plate 401, a support block 402, a support tube 403 and a gasket 404. The extension plate 401 is connected to the circular base plate 2 by bolts, the support block 402 is connected to the extension plate 401 by T-bolts, a T-shaped keyway 405 is provided on the side wall of the support block 402 along its height direction, the support tube 403 is connected to the T-shaped keyway 405 by a fastening cap, and the gasket 404 is inserted into the support tube 403.

[0025] In this embodiment, the clamping assembly 5 includes a pressing plate 501, a stud bolt 502, a connecting block 503, and a T-shaped screw 504. The connecting block 503 is bolted to the circular base plate 2, the bottom of the stud bolt 502 is threadedly connected to the top of the connecting block 503, and the top of the stud bolt 502 is threadedly connected to one end of the pressing plate 501. A rectangular through groove 505 is provided on the pressing plate 501, and the T-shaped end of the T-shaped screw 504 is slidably connected in the T-shaped slide groove 201. The top of the T-shaped screw 504 passes through the rectangular through groove 505 and is threadedly connected to a nut.

[0026] In this embodiment, the specific clamping jaws 8 include vertical turning jaws 801 and multiple sets of turning and drilling jaws 802. The centering chuck 7 is provided with multiple mounting grooves 701 at equal angles along its radial direction. The mounting grooves 701 are bolted with a drive seat 702, and the specific clamping jaws 8 are bolted to the drive seat 702.

[0027] In this embodiment, a mounting hole 101 is opened at the center position of the upper end surface of the inclined mold 1, and a cross positioning shaft 102 is inserted into the mounting hole 101. The bottom bolt of the cross positioning shaft 102 is connected to the mounting hole 101, and the top of the cross positioning shaft 102 is inserted into the bottom of the connecting through hole 203.

[0028] In this embodiment, serrated limiting grooves 204 are respectively provided on the inner walls of the connecting through hole 203 , and the bottom of the stepped positioning shaft 6 and the top of the cross positioning shaft 102 are respectively inserted into the serrated limiting grooves 204 of the connecting through hole 203 .

[0029] In this embodiment, the inclined mold 1 and the circular base plate 2 are connected by bolts.

[0030] In this embodiment, a fan-shaped positioning groove 103 , a central positioning groove 104 and a fixing through hole 105 are formed on the lower end surface of the oblique mold 1 .

[0031] In this embodiment, one set of T-shaped slots 201 along the diameter direction of the circular base plate 2 is in the same vertical plane as the inclination direction of the inclined mold 1 .

[0032] The working process of the present invention is as follows:

[0033] The operator selects a suitable support ring 9 according to the size of the part to be processed, first inserts the bottom of the cross positioning shaft 102 into the mounting hole 101, and thus installs the cross positioning shaft 102 on the inclined die 1, and the top of the cross positioning shaft 102 is inserted into the bottom of the connecting through hole 203 of the circular base plate 2, and then connects the inclined die 1 and the circular base plate 2 with bolts, and keeps one set of T-shaped slide grooves 201 along the diameter direction of the circular base plate 2 and the inclination direction of the inclined die 1 in the same vertical plane, and then passes the bottom of the stepped positioning shaft 6 through the stepped through hole 3 of the connecting plate 3. 01, and fix it with bolts, then connect the combination of the stepped positioning shaft 6 and the connecting plate 3 to the circular base plate 2, insert the bottom of the stepped positioning shaft 6 into the connecting through hole 203 through the stepped shape 301, then insert the centering chuck 7 into the top of the stepped positioning shaft 6, and ensure that the direction of one set of the mounting grooves 701 is consistent with the inclination direction of the inclined mold 1, then install the drive seat 702 into the mounting groove 701, select the vertical lathe claw 801 and the lathe drill claw 802 for combination use according to the processing requirements, then sleeve the support ring 9 on the outside of the centering chuck 7, and screw it in. Bolt it to the connecting plate 3, connect the extension plate 401 of the angular positioning assembly 4 to the circular base plate 2 through bolts, then install the support block 402 on the extension plate 401, connect the support pipe 403 to the T-shaped keyway 405 through the fastening cap, select a suitable gasket 404, plug the gasket 404 into the support pipe 403, then bolt the connection block 503 of the clamping assembly 5 to the circular base plate 2, thread the bottom of the stud bolt 502 to the top of the connection block 503, and thread the top of the stud bolt 502 to one side of the pressing plate 501. At the end, slide the T-screw 504 into the T-slot 201, and pass the top end of the T-screw 504 through the rectangular through slot 505 on the pressing plate 501 and connect it with a nut, then fix the inclined mold 1 on the processing table, and then fit the bottom of the part to be processed on the support ring 9, and control the three groups of specific claws 8 to clamp the inside of the part, then move the T-screw 504 to buckle the pressing plate 501 against the upper end surface of the part, and finally adjust the position of the support tube 403 so that the gasket 404 on the support tube 403 fits the protruding part on the part, and then proceed with processing.

[0034] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed by the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A flexible tooling for a butterfly valve body, comprising an oblique die (1), a circular base plate (2), and a connecting plate (3), wherein the oblique die (1) and the connecting plate (3) are concentrically and detachably connected to the circular base plate (2), and characterized in that: The circular base plate (2) is provided with a plurality of mutually perpendicular T-shaped grooves (201) at equal intervals, the circular base plate (2) is provided with a plurality of first threaded holes (202), the circular base plate (2) is further provided with an angular positioning assembly (4) and a pressing assembly (5), and a connecting through hole (203) is provided at the center of the circular base plate (2), the center of the connecting plate (3) is provided with a stepped through hole (301), the connecting plate (3) is provided with a cross keyway (302) and a plurality of second threaded holes (303), the stepped through hole (203) is provided at the center of the connecting plate (3), A stepped positioning shaft (6) is connected in the hole (301), and the bottom of the stepped positioning shaft (6) passes through the stepped through hole (301) and is inserted into the connecting through hole (203). A centering chuck (7) is connected to the connecting plate (3) through the stepped positioning shaft (6), and the centering chuck (7) is detachably connected to three groups of specific claws (8). A support ring (9) is sleeved on the outer side of the centering chuck (7), and the support ring (9) is bolted to the connecting plate (3). The angular positioning component (4), the clamping component (5), the specific claws (8), and the support ring (9) are arranged in coordination; The specific clamping jaws (8) include vertical turning jaws (801) and multiple groups of turning and drilling jaws (802); the centering chuck (7) is provided with multiple mounting grooves (701) at equal angles along its radial direction; a driving seat (702) is bolted in the mounting grooves (701); and the specific clamping jaws (8) are bolted to the driving seat (702).

2. The butterfly valve body flexible tooling according to claim 1 is characterized in that: The angular positioning assembly (4) comprises an extension plate (401), a support block (402), a support tube (403) and a gasket (404); the extension plate (401) is connected to the circular base plate (2) via bolts; the support block (402) is connected to the extension plate (401) via T-bolts; a T-key groove (405) is provided on the side wall of the support block (402) along its height direction; the support tube (403) is connected to the T-key groove (405) via a fastening cap; and the gasket (404) is plugged into the support tube (403).

3. The butterfly valve body flexible tooling according to claim 1 is characterized in that: The clamping assembly (5) comprises a pressing plate (501), a stud bolt (502), a connecting block (503), and a T-shaped screw (504), wherein the connecting block (503) is bolted to the circular base plate (2), the bottom of the stud bolt (502) is threadedly connected to the top of the connecting block (503), and the top of the stud bolt (502) is threadedly connected to one end of the pressing plate (501), and a rectangular through groove (505) is provided on the pressing plate (501), the T-shaped end of the T-shaped screw (504) is slidably connected to the T-shaped slide groove (201), and the top of the T-shaped screw (504) passes through the rectangular through groove (505) and is threadedly connected to a nut.

4. The butterfly valve body flexible tooling according to claim 1, characterized in that: A mounting hole (101) is provided at the center of the upper end surface of the oblique mold (1), a cross positioning shaft (102) is inserted into the mounting hole (101), the bottom of the cross positioning shaft (102) is bolted to the mounting hole (101), and the top of the cross positioning shaft (102) is inserted into the bottom of the connecting through hole (203).

5. The butterfly valve body flexible tooling according to claim 4 is characterized in that: Sawtooth limiting grooves are respectively provided on the inner wall of the connecting through hole (203), and the bottom of the stepped positioning shaft (6) and the top of the cross positioning shaft (102) are respectively inserted into the sawtooth limiting grooves of the connecting through hole (203).

6. The butterfly valve body flexible tooling according to claim 4, characterized in that: The inclined mold (1) and the circular base plate (2) are connected via bolts.

7. The butterfly valve body flexible tooling according to claim 4, characterized in that: The lower end surface of the oblique mold (1) is provided with a fan-shaped positioning groove (103), a central positioning groove (104) and a fixing through hole (105).

8. The butterfly valve body flexible tooling according to claim 1, characterized in that: One group of the T-shaped chutes (201) along the diameter direction of the circular base plate (2) and the inclination direction of the oblique mold (1) are located in the same vertical plane.

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