CN217290453U

CN217290453U - Gear pump rough boring stepped hole machining tool

Info

Publication number: CN217290453U
Application number: CN202220043397.2U
Authority: CN
Inventors: 查新平; 张文圣
Original assignee: Qingzhou Xinjinrun Machinery Co ltd
Current assignee: Qingzhou Xinjinrun Machinery Co ltd
Priority date: 2022-01-08
Filing date: 2022-01-08
Publication date: 2022-08-26
Anticipated expiration: 2032-01-08

Abstract

The utility model relates to a thick boring ladder spot facing work cutter of gear pump belongs to bore hole machining cutter technical field. It mainly includes cutter and chuck connecting body to some bore hole processing cutters that have now, mainly through single screw connection between cutter and the chuck connecting body, joint strength is lower, and need detach chuck connecting body from the main shaft earlier when demolising the change, detaches the cutter from chuck connecting body afterwards, operates comparatively complicated problem, proposes following technical scheme: the cutter comprises a shaft sleeve and a cutter shaft, wherein a pair of sliding shafts is symmetrically connected to the outer surface of one end of the cutter shaft close to the shaft sleeve, and a pair of sliding chutes which are slidably connected with the sliding shafts are symmetrically formed in the inner wall of one end of the cutter shaft close to the shaft sleeve. The utility model discloses a slip block between spout and the slide bar and spacing axle realize the axle sleeve and the arbor between be connected fixedly to the spacing of slide bar, joint strength is higher, is difficult for the slippage, and need not to detach the axle sleeve from the main shaft when demolising and changing the arbor.

Description

Gear pump rough boring stepped hole machining tool

Technical Field

The utility model relates to a bore hole processing cutter technical field especially relates to a thick boring ladder hole processing cutter of gear pump.

Background

Boring, which refers to further processing of the forged, cast, or drilled hole. The boring hole can enlarge the aperture, improve the precision, reduce the surface roughness and better correct the deflection of the original hole axis. The bore hole has a thickness which is not only the thickness of the hole diameter but also the fineness and the roughness of the processing degree. The boring needs to be realized by using a special boring machining tool, for example, a rough boring stepped hole machining tool disclosed in the publication No. CN203030934U, which mainly comprises a tool and a chuck connecting body, one end of the chuck connecting body is connected with a spindle of a machining device, and the other end of the chuck connecting body is connected with the tool.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gear pump rough boring ladder spot facing work cutter to the problem that exists among the background art.

The technical scheme of the utility model: the utility model provides a gear pump rough boring ladder spot facing work cutter, includes axle sleeve and arbor, the one end surface symmetric connection that the arbor is close to the axle sleeve has a pair of slide-shaft, the one end inner wall symmetry that the arbor is close to the axle sleeve has seted up one can with slide-shaft sliding connection's spout, the inner wall of axle sleeve just is located spout department and has seted up spacing axle mounting groove, spacing axle mounting groove in-connection has the spacing axle that is used for spacing the slide-shaft in the spout.

Preferably, the spout is the L shape structure that horizontal notch and vertical notch intersect perpendicularly, spacing axle mounting groove is close to the handing-over department of horizontal notch and vertical notch.

Preferably, the limiting shaft is a bullet head structure with an opening at one end and a thin wall, the opening end of the limiting shaft extends into the sliding groove to block the sliding shaft in the sliding groove, and the bullet head end of the limiting shaft penetrates through the outer wall of the shaft sleeve.

Preferably, the thread sleeve is spirally sleeved outside the shaft sleeve through a threaded part.

Preferably, the inside of spacing axle mounting groove is provided with the stationary blade, the outer peripheral face symmetry fixedly connected with of stationary blade is a pair of connecting rod, and two the connecting rod is kept away from the one end of stationary blade and the inner wall fixed connection of spacing axle mounting groove.

Preferably, one end of the limiting shaft is provided with a connecting rod notch which can movably penetrate through the connecting rod.

Preferably, the fixing piece is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected with the inner wall of the bullet head of the limiting shaft.

Preferably, one end of the shaft sleeve, which is far away from the cutter shaft, is fixedly connected with a mounting disc.

Compared with the prior art, the beneficial effects of the utility model are that:

(1): the shaft sleeve and the cutter shaft are fixedly connected through sliding clamping between the sliding chute and the sliding shaft and limiting of the limiting shaft on the sliding shaft, so that the connecting strength is higher, and the sliding shaft is not easy to slip;

(2): this application need not to detach the axle sleeve from the main shaft when demolising the change arbor, only need with arbor and axle sleeve separation can, the operation is comparatively convenient.

Drawings

FIG. 1 is a schematic structural view of a gear pump rough boring stepped hole machining tool;

FIG. 2 is a schematic structural view of the bushing of FIG. 1;

fig. 3 is a schematic connection diagram of the limiting shaft and the limiting shaft mounting groove of fig. 2.

Reference numerals are as follows: 1. a shaft sleeve; 2. mounting a disc; 3. a cutter shaft; 4. a threaded sleeve; 5. a threaded portion; 6. a limiting shaft; 7. a limiting shaft mounting groove; 8. a chute; 9. a slide shaft; 10. a fixing sheet; 11. a connecting rod; 12. a connecting rod notch; 13. a spring.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-3, the utility model provides a gear pump rough boring ladder spot facing work cutter, including axle sleeve 1 and arbor 3, the one end fixedly connected with mounting disc 2 of arbor 3 is kept away from to axle sleeve 1, and mounting disc 2 passes through the main shaft fixed connection of bolt and processing equipment. One end that axle sleeve 1 was kept away from to arbor 3 is connected with the tool bit, the one end that arbor 3 is close to axle sleeve 1 is the handle end, a pair of slide-bar 9 of handle end surface symmetry fixedly connected with, one pair of ability and slide-bar 9 sliding connection's spout 8 is seted up to the one end inner wall symmetry that arbor 3 is close to axle sleeve 1, spout 8 is the L shape structure of horizontal notch and vertical notch vertically crossing, the horizontal notch of two spout 8 is located same level, the vertical notch of two spout 8 then is located the top and the below of horizontal notch respectively. The inner wall of axle sleeve 1 just is located the handing-over department of horizontal notch and vertical notch and has seted up spacing axle mounting groove 7, and spacing axle 6 that is used for spacing slide-shaft 9 in spout 8 is connected to spacing axle mounting groove 7 in.

In this embodiment, when connecting axle sleeve 1 and arbor 3, insert the handle of a knife end of arbor 3 in the axle sleeve 1, make slide 9 slide in the spout 8 along horizontal notch when inserting, change movable cutter shaft 3 afterwards, make two slide 9 slide in the vertical notch of two spouts 8 respectively, press spacing axle 6 afterwards, the one end that makes spacing axle 6 keeps off between slide 9 and horizontal notch, thereby with slide 9 spacing in the vertical notch of spout 8, it is spacing to realize connecting between axle sleeve 1 and the arbor 3.

Example two

As shown in fig. 1-3, the utility model provides a gear pump rough boring stepped hole machining cutter compares in embodiment one, and this embodiment still includes: the limiting shaft 6 is of a bullet head structure with an opening at one end and a thin wall, the opening end of the limiting shaft 6 extends into the sliding groove 8, the sliding shaft 9 is blocked in the vertical groove of the sliding groove 8, and the bullet head end of the limiting shaft 6 penetrates through the outer wall of the shaft sleeve 1. The screw sleeve 4 is spirally sleeved outside the shaft sleeve 1 through a threaded part 5.

In this embodiment, rotate swivel nut 4, realize the horizontal migration of swivel nut 4 along 1 axis direction of axle sleeve through the screwed connection between swivel nut 4 and the screw portion 5, when swivel nut 4 removes spacing axle 6 department, the inner wall of swivel nut 4 and the bullet head structure contact of spacing axle 6, thereby realize that the one described of embodiment presses spacing axle 6 in order to realize spacing operation, can not only press two spacing axles 6 simultaneously through this embodiment, the operation is more convenient, and can come spacing to spacing axle 6 through blockking of swivel nut 4, thereby improve the stability of being connected between axle sleeve 1 and the arbor 3.

EXAMPLE III

As shown in fig. 1-3, the utility model provides a gear pump rough boring ladder hole machining cutter compares in embodiment one or embodiment two, and this embodiment still includes: the inside of spacing axle mounting groove 7 is provided with stationary blade 10, a pair of connecting rod 11 of the outer peripheral face symmetry fixedly connected with of stationary blade 10, and the one end of stationary blade 10 and the inner wall fixed connection of spacing axle mounting groove 7 are kept away from to two connecting rods 11, connecting rod notch 12 that can run through with the connecting rod 11 activity is seted up to the one end of spacing axle 6, stationary blade 10 and spring 13's one end fixed connection, spring 13's the other end and the bullet head inner wall fixed connection of spacing axle 6.

In this embodiment, when the shaft sleeve 1 and the cutter shaft 3 are connected in the manner described in the first embodiment, since the fixing piece 10 is fixedly connected in the limiting shaft mounting groove 7, the limiting shaft 6 can be automatically pushed away by the elastic thrust of the spring 13, so that the open end of the limiting shaft 6 is not blocked in the sliding groove 8, and the sliding shaft 9 can smoothly slide into the vertical notch from the transverse notch of the sliding groove 8.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The utility model provides a gear pump is thick boring ladder spot facing work cutter, includes axle sleeve (1) and arbor (3), its characterized in that: the outer surface of one end, close to the shaft sleeve (1), of the cutter shaft (3) is symmetrically connected with a pair of sliding shafts (9), a pair of sliding chutes (8) capable of being in sliding connection with the sliding shafts (9) are symmetrically formed in the inner wall of one end, close to the shaft sleeve (1), of the cutter shaft (3), a limiting shaft mounting groove (7) is formed in the position, located on the sliding chutes (8), of the inner wall of the shaft sleeve (1), and a limiting shaft (6) used for limiting the sliding shafts (9) in the sliding chutes (8) is connected in the limiting shaft mounting groove (7).

2. The gear pump rough boring stepped hole machining tool as claimed in claim 1, wherein the sliding groove (8) is an L-shaped structure in which a transverse notch and a vertical notch perpendicularly intersect, and the limiting shaft mounting groove (7) is close to the intersection of the transverse notch and the vertical notch.

3. The gear pump rough boring stepped hole machining tool as claimed in claim 1, wherein the limiting shaft (6) is a bullet head structure with one end open and thin wall, the open end of the limiting shaft (6) extends into the inside of the sliding groove (8) to block the sliding shaft (9) in the sliding groove (8), and the bullet head end of the limiting shaft (6) penetrates through the outer wall of the shaft sleeve (1).

4. The gear pump rough boring stepped hole machining tool as claimed in claim 3, wherein the threaded sleeve (4) is spirally sleeved outside the shaft sleeve (1) through a threaded portion (5).

5. The gear pump rough boring stepped hole machining tool as claimed in claim 3, wherein a fixing plate (10) is disposed inside the limiting shaft mounting groove (7), a pair of connecting rods (11) is symmetrically and fixedly connected to the outer peripheral surface of the fixing plate (10), and one ends of the two connecting rods (11) far away from the fixing plate (10) are fixedly connected to the inner wall of the limiting shaft mounting groove (7).

6. The gear pump rough boring stepped hole machining tool as claimed in claim 5, wherein one end of the limiting shaft (6) is provided with a connecting rod notch (12) which can movably penetrate through the connecting rod (11).

7. The gear pump rough boring stepped hole machining tool as claimed in claim 6, wherein the fixing plate (10) is fixedly connected with one end of a spring (13), and the other end of the spring (13) is fixedly connected with the inner wall of a bullet head of the limiting shaft (6).

8. The gear pump rough boring stepped hole machining tool as claimed in claim 1, wherein a mounting disc (2) is fixedly connected to one end of the shaft sleeve (1) far away from the cutter shaft (3).