CN211939219U

CN211939219U - Milling cutter for surface of transmission shaft of split pump in online processing

Info

Publication number: CN211939219U
Application number: CN202020043424.7U
Authority: CN
Inventors: 叶于敏
Original assignee: Recas Nanjing Precision Machinery Co ltd
Current assignee: Recas Nanjing Precision Machinery Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-11-17
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a face milling cutter utensil technical field just discloses a division of pump transmission shaft face milling cutter utensil in online processing, including the blade disc, a plurality of cutter arbor grooves have evenly been seted up to the lateral wall of blade disc, the fixed joint in cutter arbor groove has the cutter arbor, a plurality of first fastening screws and first fastening screw female connection have been seted up to the surface symmetry in cutter arbor and cutter arbor groove have first fastening bolt, the fixed slot has been seted up to upper end one side of cutter arbor, fixed joint has the processing blade in the fixed slot, a plurality of second fastening screws and second fastening screw female connection have been seted up to the surface symmetry of processing blade and fixed slot. The utility model discloses make the fixed of car cutter arbor and processing blade accurate firm more, improved whole face milling cutter's structural strength.

Description

Milling cutter for surface of transmission shaft of split pump in online processing

Technical Field

The utility model relates to a face milling cutter technical field especially relates to a division of pump transmission shaft face milling cutter utensil in online processing.

Background

The split pump (split cycle) is also called a single-stage double suction centrifugal pump, and is mainly characterized by a large flow rate of a conveying medium. The operation principle of the split pump is as follows: the impeller is arranged in the pump shell and is fastened on the pump shaft, and the pump shaft is directly driven by the motor. The center of the pump shell is provided with a liquid suction pipe connected with the suction pipe. The liquid enters the pump through the bottom valve and the suction pipe. The liquid discharge port on the pump housing is connected to a discharge pipe. When the rotating speed of the pump is fixed, the pressure head and the flow rate of the pump are related to the diameter of the impeller.

The face milling cutter is required to be used in the processing of the transmission shaft of the split pump, the connection between the cutter bar and the blade of the existing face milling cutter is not stable enough, the bolt connection part is easy to be affected by vibration in the high-speed running process, and the actual processing and use are not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art face milling cutter arbor and the connection of blade firm inadequately, receive the firm connection that vibrations influence cutter arbor and blade easily at high-speed moving in-process bolted connection department, the problem that actual processing used is not convenient for, and the open pump transmission shaft face milling cutter utensil in the online processing who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a drive pump transmission shaft face milling cutter utensil in online processing, includes the blade disc, a plurality of cutter arbor grooves have evenly been seted up to the lateral wall of blade disc, the fixed joint in cutter arbor groove has car cutter arbor, a plurality of first fastening screws and first fastening screw female connection have been seted up to the surface symmetry in car cutter arbor and cutter arbor groove have first fastening bolt, the fixed slot has been seted up to upper end one side of car cutter arbor, fixed joint has the processing blade in the fixed slot, a plurality of second fastening screws and second fastening screw female connection have been seted up to the surface symmetry of processing blade and fixed slot have the second fastening bolt.

Preferably, the surface of the lathe tool bar is provided with a first circular groove for clamping and placing a first fastening bolt head.

Preferably, a plurality of lightening holes are uniformly formed in the surface of the cutter head, and the lightening holes are of a trapezoidal structure.

Preferably, a core shaft hole is formed in the center of the cutter head.

Preferably, one side of the turning tool rod, which is located in the tool rod groove, is fixedly connected with a wedge block, and a dovetail groove matched and clamped with the wedge block is formed in the inner wall of the tool rod groove.

Preferably, the surface of the processing blade is provided with a second circular groove for clamping and placing a second fastening bolt head.

Preferably, the lower end of the processing blade is fixedly connected with a T-shaped clamping block, and a T-shaped clamping groove matched and clamped with the T-shaped clamping block is formed in the inner wall of the fixing groove.

Compared with the prior art, the utility model provides an open pump transmission shaft face milling cutter utensil in online processing possesses following beneficial effect:

1. this division pump transmission shaft face milling cutter utensil in on-line processing, through the cutter arbor groove that is equipped with, utilize the matching joint effect of wedge and dovetail to make the lathe tool pole firm accurate fix at the cutter arbor inslot, the rethread first fastening bolt makes the firm fixing of lathe tool pole at the cutter arbor inslot, the cooperation of wedge and dovetail can have firm spacing pullback to the lathe tool pole, avoid first fastening bolt to produce not hard up at high-speed rotatory in-process and make the lathe tool pole outwards break away from the problem of the stable processing of influence easily.

2. This division pump transmission shaft face milling cutter utensil in on-line processing, through the fixed slot and the processing blade that are equipped with, when installation processing blade, the matching joint effect that utilizes T shape fixture block and T shape draw-in groove earlier makes the accurate stable fixing of processing blade in the fixed slot, rethread second fastening bolt makes the processing blade firm to fix in the fixed slot, the matching joint effect of T shape fixture block and T shape draw-in groove has firm spacing pullback effect to the processing blade, the connection steadiness of processing blade has further been improved, the in-service processing of being convenient for is used.

3. This division pump transmission shaft face milling cutter utensil in on-line processing, through a plurality of lightening holes that are equipped with, the lightening hole of trapezium structure has outstanding structural strength, and can effectively reduce the weight of blade disc under the condition that does not influence blade disc bearing quality for it is more stable in the actual course of working, is convenient for control.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the fixed more accurate firm of car cutter arbor and processing blade, improved whole face milling cutter's structural strength.

Drawings

Fig. 1 is a schematic top view of a milling cutter for machining a transmission shaft surface of an axially split pump in an online process according to the present invention;

fig. 2 is a schematic view of a partial front view structure of a milling cutter for machining a transmission shaft surface of an axially split pump in an online process according to the present invention;

fig. 3 is the structural schematic diagram of the milling cutter a part of the on-line machining split pump transmission shaft surface provided by the utility model.

In the figure: the cutter comprises a cutter head 1, a cutter rod groove 2, a cutter rod 3, a first fastening bolt 4, a fixing groove 5, a processing blade 6, a second fastening bolt 7, a first circular groove 8, a lightening hole 9, a core shaft hole 10, a wedge-shaped block 11, a dovetail groove 12, a second circular groove 13, a T-shaped clamping block 14 and a T-shaped clamping groove 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a division pump transmission shaft face milling cutter utensil in online processing, including blade disc 1, a plurality of cutter arbor grooves 2 have evenly been seted up to the lateral wall of blade disc 1, the fixed joint has lathe tool pole 3 in cutter arbor groove 2, lathe tool pole 3 and cutter arbor groove 2's surface symmetry has seted up a plurality of first fastening screws and first fastening screw female connection has first fastening bolt 4, fixed slot 5 has been seted up to upper end one side of lathe tool pole 3, fixed joint has processing blade 6 in the fixed slot 5, a plurality of second fastening screws and second fastening screw female connection have been seted up to processing blade 6 and fixed slot 5's surface symmetry.

The surface of the lathe tool rod 3 is provided with a first circular groove 8 for clamping and placing the screw head of the first fastening bolt 4.

A plurality of lightening holes 9 are uniformly formed in the surface of the cutter head 1, and the lightening holes 9 are of a trapezoidal structure.

The center of the cutter head 1 is provided with a core shaft hole 10.

One side fixedly connected with wedge 11 that lathe tool pole 3 is located cutter bar groove 2, and dovetail 12 with the matching joint of wedge 11 is seted up to the inner wall of cutter bar groove 2.

The surface of the processing blade 6 is provided with a second circular groove 13 for clamping the head of the second fastening bolt 7.

The lower end of the processing blade 6 is fixedly connected with a T-shaped clamping block 14, and the inner wall of the fixing groove 5 is provided with a T-shaped clamping groove 15 matched and clamped with the T-shaped clamping block 14.

The utility model discloses in, during the use, through the cutter arbor groove 2 that is equipped with, utilize wedge 11 and dovetail 12's matching joint effect to make firm accurate the fixing in cutter arbor groove 2 of lathe tool pole 3, rethread first fastening bolt 4 makes firm the fixing in cutter arbor groove 2 of lathe tool pole 3, wedge 11 and dovetail 12's cooperation can have firm spacing pullback to lathe tool pole 3, avoid first fastening bolt 4 to produce not hard up at high-speed rotatory in-process and make lathe tool pole 3 outwards break away from the problem that influences stably processing easily, through fixed slot 5 and processing blade 6 that are equipped with, when installation processing blade 6, the matching joint effect that utilizes T shape fixture block 14 and T shape draw-in groove 15 earlier makes processing blade 6 accurate stable fix in fixed slot 5, rethread second fastening bolt 7 makes processing blade 6 firm fix in fixed slot 5, T shape fixture block 14 and T shape draw-in groove 15's matching joint effect has firm spacing pullback to do to processing blade 6 With, further improved the connection steadiness of processing blade 6, the actual processing of being convenient for is used, and through a plurality of lightening holes 9 that are equipped with, the lightening hole 9 of trapezium structure has outstanding structural strength, and can effectively reduce the weight of blade disc 1 under the condition that does not influence 1 bearing mass of blade disc for it is more stable in the actual course of working, is convenient for control.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a drive pump transmission shaft face milling cutter utensil in online processing, includes blade disc (1), its characterized in that, a plurality of cutter arbor grooves (2) have evenly been seted up to the lateral wall of blade disc (1), cutter arbor groove (2) internal fixation joint has car cutter arbor (3), a plurality of first fastening screws and first fastening screw female connection have been seted up to the surface symmetry of car cutter arbor (3) and cutter arbor groove (2) have first fastening bolt (4), fixed slot (5) have been seted up to upper end one side of car cutter arbor (3), fixed slot (5) internal fixation joint has processing blade (6), a plurality of second fastening screws and second fastening screw female connection have second fastening bolt (7) have been seted up to the surface symmetry of processing blade (6) and fixed slot (5).

2. The milling cutter for the transmission shaft surface of the axially split pump in the online processing is characterized in that a first circular groove (8) for clamping and placing a screw head of a first fastening bolt (4) is formed in the surface of the lathe tool rod (3).

3. The milling cutter for the transmission shaft surface of the split pump in the online processing is characterized in that a plurality of lightening holes (9) are uniformly formed in the surface of the cutter head (1), and the lightening holes (9) are of a trapezoidal structure.

4. The milling tool for the transmission shaft surface of the split pump in the on-line processing is characterized in that a spindle hole (10) is formed in the center of the cutter head (1).

5. The milling cutter for the transmission shaft surface of the on-line processing split pump according to claim 1, wherein a wedge block (11) is fixedly connected to one side of the lathe cutter rod (3) positioned in the cutter rod groove (2), and a dovetail groove (12) matched and clamped with the wedge block (11) is formed in the inner wall of the cutter rod groove (2).

6. The milling cutter for the transmission shaft surface of the split pump in the online processing is characterized in that a second circular groove (13) used for clamping and placing the screw head of a second fastening bolt (7) is formed in the surface of the processing blade (6).

7. The milling cutter for the transmission shaft surface of the split pump in online processing is characterized in that a T-shaped clamping block (14) is fixedly connected to the lower end of the processing blade (6), and a T-shaped clamping groove (15) matched and clamped with the T-shaped clamping block (14) is formed in the inner wall of the fixing groove (5).