Lathe fixture for machining spherical check valve

Abstract

The utility model provides a lathe fixture for machining a spherical check valve, and belongs to the technical field of machining fixtures. The lathe fixture for machining the spherical check valve comprises a clamping main body part and an axial fixing part. The clamping jaws are installed on one side of the chuck body, the rod clamping piece is fixedly arranged on the other side of the chuck body, and the multiple sets of clamping jaws clamp and fix a flange of the spherical check valve in the radial position. A protruding block is arranged on the outer side of one end of the clamping jaw, and an adjusting bolt is installed on the protruding block and connected with a flange which drives the pressing piece to move in the axial direction to clamp and fix the spherical check valve in a screwed mode. A flange at one end of the spherical check valve is placed on the side face of the chuck body, and the radial face of the flange of the spherical check valve is clamped and fixed through the clamping jaws. The adjusting bolt is rotated to drive the pressing piece to be clamped on the flange end face of the spherical check valve, and the spherical check valve is clamped and fixed from the axial position, so that the spherical check valve is more stable and safer during rotating machining.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing fixture technical field, specifically, relate to a lathe clamp for spherical check valve processing. BACKGROUND

[0002] Spherical check valve is a kind of valve using multi-ball, multi-channel, multi-cone reverse fluid structure.Spherical check valve is opened and closed automatically by the force generated by the flow of medium in pipeline.

[0003] Spherical check valve is irregular in structure, and the chuck commonly used on lathe can only fix the outside of spherical check valve flange from radial position.Spherical check valve is prone to eccentricity in the process of rotary machining, and even can fall off from chuck in serious case, so there is certain security risk in machining. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a lathe clamp for spherical check valve processing, which aims at improving the problem that spherical check valve is prone to eccentricity in the process of rotary machining, and even can fall off from chuck in serious case, so there is security risk in machining.

[0005] The utility model is realized as follows:

[0006] The utility model provides a lathe clamp for spherical check valve processing, which comprises a clamping main body part and an axial fixing part.

[0007] The clamping main body part comprises a chuck main body, a claw and a clamping rod piece, the claw is installed at one side of the chuck main body, the clamping rod piece is fixedly arranged at the other side of the chuck main body, and a plurality of claws are arranged in radial position to clamp and fix the flange of spherical check valve.

[0008] The axial fixing part comprises a pressing piece and an adjusting bolt, the claw one end outside is provided with a lug, and the adjusting bolt is installed on the lug and is screwed to drive the pressing piece to move along the axial position and clamp and fix the flange of spherical check valve.

[0009] In one embodiment of the utility model, the clamping rod piece comprises a disc and a shaft rod, the disc is fixed at the chuck main body away from the claw side, and the shaft rod one end is fixedly connected with the disc.

[0010] In one embodiment of the utility model, the shaft rod outside is provided with a second anti-skid line.

[0011] In an embodiment of the utility model, the pressure holding piece includes a pressing block and a sliding block, the convex block top is provided with a guide groove, and the convex block top is provided with a cover plate, the screw rod bottom end of adjusting bolt is rotationally arranged with the guide groove inside bottom wall, and the adjusting bolt penetrates the cover plate, the sliding block is slidably arranged in the guide groove inside, and the screw rod of adjusting bolt is screwed through the sliding block, and the sliding block is integrally arranged with the pressing block.

[0012] In an embodiment of the utility model, the pressing block bottom is provided with a fourth anti-skid line.

[0013] In an embodiment of the utility model, the axial fixing part further includes a fixing bolt, and the fixing bolt connects the cover plate and the convex block.

[0014] In an embodiment of the utility model, the third anti-skid line is arranged on the inner side of the plurality of clamping jaws.

[0015] In an embodiment of the utility model, the chuck body is provided with a first anti-skid line on the side away from the clamping rod.

[0016] The utility model discloses a lathe clamp for spherical check valve machining, which has the advantages that the flange at one end of the spherical check valve is placed on the side of the chuck body, and the flange radial surface of the spherical check valve is clamped and fixed by the clamping jaw. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as limiting the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0018] Figure 1 It is the lathe clamp structure schematic diagram for spherical check valve machining provided by the utility model embodiments Figure 1 ;

[0019] Figure 2 It is the lathe clamp structure schematic diagram for spherical check valve machining provided by the utility model embodiments Figure 2 ;

[0020] Figure 3 It is the clamping jaw and axial fixing part structure schematic view provided by the utility model embodiments

[0021] Figure 4 The chuck structure schematic view provided by the utility model embodiment;

[0022] Figure 5 The pressure holding piece and adjusting bolt structure schematic view provided by the utility model embodiment.

[0023] In the figure: 10-clamping main body part; 110-chuck body; 111-first anti-skid line; 120-chuck claw; 130-clamping rod piece; 131-disc; 132-shaft; 133-second anti-skid line; 140-boss; 150-guiding groove; 160-third anti-skid line; 20-axial fixing part; 210-pressure holding piece; 211-pressing block; 212-sliding block; 213-fourth anti-skid line; 220-adjusting bolt; 230-cover plate; 30-spherical check valve. Specific implementation

[0024] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment

[0026] Please refer to Figures 1-5 The utility model provides a lathe clamp for spherical check valve processing, including clamping main body part 10 and axial fixing part 20.

[0027] Wherein, the radial position and axial position of the spherical check valve 30 can be fixed by the cooperation of the clamping main body part 10 and the axial fixing part 20, which improves the stability and safety of the spherical check valve 30 during rotation processing on the lathe.

[0028] Please refer to Figure 1 , Figure 2 and Figure 3 The clamping main body part 10 includes chuck body 110, chuck claw 120 and clamping rod piece 130. The chuck claw 120 is installed on one side of the chuck body 110, and the clamping rod piece 130 is fixedly arranged on the other side of the chuck body 110. A plurality of chuck claws 120 are arranged in the radial position to clamp and fix the flange of the spherical check valve 30. The axial fixing part 20 includes pressure holding piece 210 and adjusting bolt 220. The one end outer side of the chuck claw 120 is provided with boss 140, and the adjusting bolt 220 is installed on the boss 140 and screwed to drive the pressure holding piece 210 to move along the axial position to clamp and fix the flange of the spherical check valve 30.

[0029] The clamp rod 130 of the end of the clamp is inserted into the chuck on the lathe for fixed installation. Then the flange at one end of the ball check valve 30 is placed on the side of the chuck body 110, and the flange radial surface of the ball check valve 30 is clamped and fixed by the jaw 120. The pressure holding piece 210 is clamped on the flange end surface of the ball check valve 30 by rotating the adjusting bolt 220, and the ball check valve 30 is clamped and fixed from the axial position, so that the ball check valve 30 is more stable and safe during turning processing.

[0030] In the specific setting, please refer to Figure 1 The clamp rod 130 includes a disc 131 and a shaft 132. The disc 131 is fixed on the side of the chuck body 110 away from the jaw 120, and the shaft 132 is fixedly connected to one end of the disc 131. The outer side of the shaft 132 is provided with a second anti-skid pattern 133. The chuck of the lathe can clamp and fix the shaft 132, that is, clamp and fix the whole clamp. The setting of the second anti-skid pattern 133 on the outside of the shaft 132 increases the friction when clamping, that is, improves the stability when the chuck of the lathe clamps the shaft 132.

[0031] In the above specific embodiments, please refer to Figure 4 and Figure 5 The pressure holding piece 210 includes a pressure block 211 and a sliding block 212. The top of the lug 140 is provided with a guide groove 150, and the top of the lug 140 is provided with a cover plate 230. The screw rod bottom end of the adjusting bolt 220 is rotationally arranged inside the guide groove 150, and the adjusting bolt 220 penetrates the cover plate 230. The sliding block 212 is slidingly arranged inside the guide groove 150, and the screw rod of the adjusting bolt 220 is screwed through the sliding block 212. The sliding block 212 is integrally formed with the pressure block 211.

[0032] The adjusting bolt 220 is rotated, and the rotating adjusting bolt 220 drives the sliding block 212 in the pressure holding piece 210 to move inside the guide groove 150 through thread cooperation, that is, drives the pressure block 211 to move and clamp on the flange end surface of the ball check valve 30.

[0033] Further, the bottom of the pressure block 211 is provided with a fourth anti-skid pattern 213. The fourth anti-skid pattern 213 is arranged to increase the friction when the pressure block 211 is pressed. The axial fixing part 20 further includes a fixing bolt connecting the cover plate 230 and the lug 140. The inner side of the plurality of jaws 120 is provided with a third anti-skid pattern 160, so that the jaw 120 can stably clamp the outer side of the flange. The first anti-skid pattern 111 is arranged on the side of the chuck body 110 away from the clamp rod 130, which cooperates with the pressure holding piece 210 to stably clamp the flange end surface.

[0034] The working principle of the lathe fixture for spherical check valve machining is as follows: when in use, the clamping rod 130 at the end of the fixture is inserted into the chuck on the lathe for fixed installation. Then the flange at one end of the spherical check valve 30 is placed on the side of the chuck body 110, and the flange radial surface of the spherical check valve 30 is clamped and fixed by the clamping jaw 120. The flange end surface of the spherical check valve 30 is clamped and fixed by rotating the adjusting bolt 220 to drive the pressing piece 210, so that the spherical check valve 30 is clamped and fixed from the axial position, and the spherical check valve 30 is more stable and safe during rotation machining.

[0035] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously modified and changed. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lathe fixture for machining of a ball check valve, characterized by, Comprising The clamping body part (10) includes a chuck body (110), a jaw (120) and a clamping lever (130), the jaw (120) is installed on one side of the chuck body (110), the clamping lever (130) is fixedly arranged on the other side of the chuck body (110), and a plurality of groups of the jaw (120) clamp the flange of the spherical check valve (30) in the radial position; The axial fixing part (20) includes a pressing piece (210) and an adjusting bolt (220), one end of the jaw (120) is provided with a protrusion (140), and the adjusting bolt (220) is installed on the protrusion (140) and is screwed to drive the pressing piece (210) to move in the axial position to clamp the flange of the spherical check valve (30).

2. A lathe fixture for machining a ball check valve according to claim 1, characterized in that, The clamping lever (130) includes a disc (131) and a shaft (132), the disc (131) is fixed on the side of the chuck body (110) away from the jaw (120), and one end of the shaft (132) is fixedly connected with the disc (131).

3. A lathe fixture for machining a ball check valve according to claim 2, wherein The outer side of the shaft (132) is provided with a second anti-skid pattern (133).

4. A lathe fixture for machining a ball check valve according to claim 1, wherein The pressing piece (210) includes a pressing block (211) and a sliding block (212), the top of the protrusion (140) is provided with a guide groove (150), the top of the protrusion (140) is provided with a cover plate (230), the bottom end of the screw rod of the adjusting bolt (220) is rotationally arranged inside the bottom wall of the guide groove (150), the adjusting bolt (220) penetrates the cover plate (230), the sliding block (212) is slidingly arranged inside the guide groove (150), the screw rod of the adjusting bolt (220) is screwed to penetrate the sliding block (212), and the sliding block (212) is integrally formed with the pressing block (211).

5. A lathe fixture for machining a ball check valve according to claim 4, wherein The bottom of the pressing block (211) is provided with a fourth anti-skid pattern (213).

6. A lathe fixture for machining a ball check valve according to claim 4, wherein The axial fixing part (20) further includes a fixing bolt, and the fixing bolt connects the cover plate (230) and the protrusion (140).

7. A lathe fixture for machining a ball check valve according to claim 1, wherein The inner side of the plurality of jaws (120) is provided with a third anti-skid pattern (160).

8. A lathe fixture for machining a ball check valve according to claim 1, wherein The side of the chuck body (110) away from the clamping lever (130) is provided with a first anti-skid pattern (111).

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