Positioning device for water pump separation disc casting machining

Abstract

The utility model discloses a positioning device for machining a water pump separation disc casting, which comprises a machine tool spindle, a chuck and a water pump separation disc, and the water pump separation disc comprises a disc and a pipe; a plurality of clamping jaws are movably arranged on the end face of the chuck, and the pipe is clamped and fixed through the clamping jaws. The end faces of the clamping jaws are each provided with a jacking mechanism used for limiting the dish. The jacking mechanism comprises a fixing column and a threaded pipe, one end of the fixing column is fixedly arranged on the end face of the clamping jaw, threads are arranged at the tail end of the fixing column, the fixing column is connected with the threaded pipe through the threads, a fixing disc is arranged on the end face of the threaded pipe, a plurality of jacking rods are arrayed on the end face of the fixing disc, and the jacking rods abut against the end face of the dish. According to the water pump separating disc, a pipe can be clamped and fixed through the clamping jaws, and a plate can be jacked and limited through the jacking mechanism, so that when the water pump separating disc rotates, the plate cannot swing, the pipe cannot jump, and the machining requirement can be well met.

Description

Technical Field

[0001] The utility model relates to the technical field of processing of water pump separating disc castings, and particularly relates to a positioning device for processing water pump separating disc castings. Background Technique

[0002] The water pump separating disc, also known as the balance disc, is an important component in the water pump. Especially in a multi-stage centrifugal water pump, its main function is to help balance the pressure and hydrodynamic characteristics inside the pump, reduce vibration and wear, thereby extending the service life of the pump and maintaining efficient operation. The separating disc is usually located between the impeller and the pump casing of the pump. Through the design of its shape and position, it can effectively guide the fluid flow to the impeller, and at the same time prevent the fluid on the high-pressure side from directly impacting the impeller on the low-pressure side, thus avoiding pressure imbalance and fluid backflow phenomena inside the pump.

[0003] Since the water pump separating disc is a combination of a pipe and a disc, and the water pump separating disc is a rough casting, it is impossible to make the pipe part and the disc part strictly perpendicular. When positioning and clamping the pipe, after the chuck rotates, the disc part of the workpiece will swing, affecting the processing; when positioning and clamping the workpiece disc, after the chuck rotates, the front pipe part will jump, which will also affect the processing. Therefore, we propose a positioning device for processing water pump separating disc castings. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning device for processing water pump separating disc castings to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A positioning device for processing water pump separating disc castings, including a machine tool spindle, a chuck, and a water pump separating disc, wherein the water pump separating disc includes a disc and a pipe;

[0006] A plurality of jaws are movably arranged on the end face of the chuck, and the pipe is clamped and fixed by the jaws;

[0007] A tightening mechanism for limiting the disc is arranged on the end face of each jaw;

[0008] The tightening mechanism includes a fixed column and a threaded pipe. One end of the fixed column is fixedly arranged on the end face of the jaw. The end of the fixed column is provided with a thread, and the fixed column is connected to the threaded pipe through the thread. A fixed disc is arranged on the end face of the threaded pipe, and a plurality of ejector rods are arranged in an array on the end face of the fixed disc. The ejector rods are abutted against the end face of the disc.

[0009] Preferably, the fixed column is also connected with an anti-slip nut through a thread, and the anti-slip nut is located between the jaw and the threaded pipe.

[0010] Preferably, an installation disk is provided at the output end of the machine tool spindle, and the chuck is fixedly installed on the installation disk through bolts.

[0011] Preferably, the ejector rods are evenly distributed around the fixed column.

[0012] Preferably, a limiting block is provided at one end of the fixed column with threads.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] With the present utility model, the pipe can be clamped and fixed by the jaws, and the plate can be tightly held and limited by the tightening mechanism, so that both the pipe and the plate can be limited and fixed. When the water pump separation plate rotates, the plate will not swing, and the pipe will not jump. It can automatically compensate and correct the workpiece, greatly reducing the dependence on the quality of the casting and well meeting the processing requirements. Description of the Drawings

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is an exploded view of the present utility model;

[0017] Figure 3 is a sectional view of the present utility model.

[0018] In the figure: 1, spindle; 11, installation disk; 2, water pump separation plate; 21, plate; 22, pipe; 3, chuck; 31, jaws; 4, fixed column; 41, limiting block; 5, threaded pipe; 51, fixed disk; 52, ejector rod; 6, anti-slip nut. Detailed Embodiment

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1 - 3 , the present utility model provides a technical solution: a positioning device for machining a water pump separation plate casting, including a machine tool spindle 1, a chuck 3, and a water pump separation plate 2. The water pump separation plate 2 includes a plate 21 and a pipe 22;

[0021] A plurality of jaws 31 are movably provided on the end face of the chuck 3, and the pipe 22 is clamped and fixed by the jaws 31;

[0022] The end faces of the jaws 31 are each provided with a tightening mechanism for limiting the plate 21.

[0023] An installation disc 11 is provided at the output end of the machine tool spindle 1, and the chuck 3 is fixedly installed on the installation disc 11 by bolts.

[0024] Among them, clamping the workpiece by adjusting the jaws 31 on the chuck 3 is a standard part. The rotation of the machine tool spindle 1 can drive the rotation of the chuck 3, so that the water pump separation disc 2 installed on the chuck 3 can rotate and be processed.

[0025] Before machining the water pump separation disc 2, it needs to be clamped and fixed. The chuck 3 is fixedly installed on the installation disc 11 by bolts. One end of the pipe 22 of the water pump separation disc 2 is placed on the end face of the chuck 3, and the pipe 22 is clamped and fixed by the jaws 31. Then, the tightening mechanism is adjusted to tighten and limit the plate 21, so that both the pipe 22 and the plate 21 can be limited and fixed. When the chuck 3 drives the water pump separation disc 2 to rotate, the plate 21 will not swing, and the pipe 22 will not jump. It can automatically compensate and correct the workpiece, greatly reducing the dependence on the quality of the casting and well meeting the processing requirements.

[0026] The tightening mechanism includes a fixed column 4 and a threaded pipe 5. One end of the fixed column 4 is fixedly arranged on the end face of the jaw 31. The end of the fixed column 4 is provided with threads, and the fixed column 4 is connected to the threaded pipe 5 through the threads. The end face of the threaded pipe 5 is provided with a fixed disc 51. A plurality of ejector rods 52 are arrayed on the end face of the fixed disc 51. The ejector rods 52 are evenly distributed around the fixed column 4, and the ejector rods 52 abut against the end face of the plate 21.

[0027] The fixed column 4 is also connected with an anti-slip nut 6 through threads, and the anti-slip nut 6 is located between the jaw 31 and the threaded pipe 5.

[0028] A limit block 41 is arranged at the threaded end of the fixed column 4.

[0029] The tightening mechanism can effectively limit the plate 21 of the water pump separation disc 2. After the jaws 31 clamp the pipe 22, rotate the threaded pipe 5 so that the threaded pipe 5 approaches the plate 21 through the threads, making the ejector rods 52 abut against and tighten the plate 21. The ejector rods 52 at multiple positions can tighten and limit the plate 21 at multiple positions, which is more stable. Finally, rotate the anti-slip nut 6 to limit the threaded pipe 5 to prevent the threaded pipe 5 from loosening, resulting in the ejector rods 52 being unable to tighten the plate 21.

[0030] The working principle and usage process of the present utility model:

[0031] The rotation of the machine tool spindle 1 can drive the rotation of the chuck 3, so that the water pump separation disc 2 installed on the chuck 3 can rotate and be processed. Before processing the water pump separation disc 2, it needs to be clamped and fixed. The chuck 3 is fixedly installed on the mounting disc 11 through bolts. One end of the pipe 22 of the water pump separation disc 2 is placed on the end face of the chuck 3, and the pipe 22 is clamped and fixed by the chuck jaw 31. Then the threaded pipe 5 is rotated, so that the threaded pipe 5 approaches the disc 21 through the thread, and the ejector rod 52 abuts against the end face of the disc 21 and presses the disc 21 tightly. The ejector rods 52 at multiple positions can tightly limit the disc 21 at multiple positions, which is more stable. Finally, by rotating the anti-slip nut 6, the threaded pipe 5 is limited to prevent the threaded pipe 5 from loosening, resulting in the ejector rod 52 being unable to press the disc 21 tightly.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning device for machining a water pump separation disc casting, comprising a machine tool spindle (1), a chuck (3) and a water pump separation disc (2), characterized in that: The water pump separation plate (2) comprises a plate (21) and a pipe (22); The end surface of the chuck (3) is movably provided with a plurality of claws (31), and the tube (22) is clamped and fixed by the claws (31); The end surfaces of the claws (31) are provided with a tightening mechanism for limiting the position of the plate (21); The tightening mechanism comprises a fixed column (4) and a threaded tube (5); one end of the fixed column (4) is fixedly arranged on the end surface of the claw (31); a thread is provided at the end of the fixed column (4); the fixed column (4) is connected to the threaded tube (5) via the thread; a fixed plate (51) is provided on the end surface of the threaded tube (5); a plurality of ejector rods (52) are arranged on the end surface of the fixed plate (51); and the ejector rods (52) abut against the end surface of the plate (21).

2. A positioning device for processing a water pump separation disc casting according to claim 1, characterized in that: The fixing column (4) is also threadedly connected to an anti-slip nut (6), and the anti-slip nut (6) is located between the claw (31) and the threaded tube (5).

3. A positioning device for water pump separation disc casting processing according to claim 1, characterized in that: The output end of the machine tool spindle (1) is provided with a mounting plate (11), and the chuck (3) is fixedly mounted on the mounting plate (11) by means of bolts.

4. A positioning device for processing a water pump separation disc casting according to claim 1, characterized in that: The push rods (52) are evenly distributed around the fixed column (4).

5. A positioning device for processing a water pump separation disc casting according to claim 1, characterized in that: A limit block (41) is provided at one end of the fixing column (4) provided with a thread.

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