CN217290454U

CN217290454U - Gear pump fine boring processing cutter

Info

Publication number: CN217290454U
Application number: CN202220063679.9U
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 gear pump thin boring processing cutter belongs to bore hole processing cutter technical field. Install different processing radius's knife tackle spare on its arbor to some bore hole processing cutters of current, during the hole site of processing different thickness apertures, can make the knife tackle spare and the hole contact of different thicknesses with the different degree of depth of arbor patchhole, however when the hole site degree of depth is limited, the arbor can't stretch into in the hole site, can lead to the problem that partial knife tackle spare can't contact with the hole site, proposes following technical scheme: the cutter comprises a cutter shaft and a cutter head, wherein a pair of clamping grooves is formed in the outer annular surface of one end of the cutter shaft, one end of the cutter head is connected with a shaft sleeve, a pair of clamping blocks is symmetrically connected to the inner annular surface of the shaft sleeve, the two clamping blocks correspond to the two clamping grooves one to one, and the clamping grooves are of an L-shaped structure. The utility model discloses can process the bore hole site of different thicknesses, mainly realize through installing the not cutter head assembly of equidimension fast, can not receive the restriction of the hole site degree of depth.

Description

Gear pump fine boring processing cutter

Technical Field

The utility model relates to a bore hole processing cutter technical field especially relates to a gear pump thin bore hole processing cutter.

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 diameters of the bores are different, if a gear pump is adopted, the bores are divided into a fine bore and a rough bore, and the bores with different thicknesses are processed by utilizing cutter heads with different sizes. For example, in a tool for boring disclosed in publication No. CN212070418U, cutter assemblies with different processing radii are mounted on a cutter shaft, and when hole sites with different thicknesses and hole diameters are processed, the cutter shaft can be inserted into the holes with different depths, so that the cutter assemblies with different thicknesses can contact the holes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gear pump thin bore hole processing cutter to the problem that exists among the background art.

The technical scheme of the utility model: a gear pump fine boring machining cutter comprises a cutter shaft and a cutter head, wherein a pair of clamping grooves is formed in the outer annular surface of one end of the cutter shaft, one end of the cutter head is connected with a shaft sleeve, a pair of clamping blocks is symmetrically connected to the inner annular surface of the shaft sleeve, and the two clamping blocks are in one-to-one correspondence with the two clamping grooves.

Preferably, the clamping grooves are of L-shaped structures, and the two clamping grooves are obliquely symmetrical, so that the two clamping blocks are clamped into the clamping grooves in a rotating mode.

Preferably, the cutter shaft is movably sleeved with a push ring at one end close to the cutter head, the inner annular surface of the push ring is connected with a pair of check blocks through a short shaft, and the check blocks can extend into the clamping grooves at corresponding positions so as to limit the check blocks in the clamping grooves and cannot be separated from the clamping grooves.

Preferably, one end of the cutter shaft close to the cutter head is spirally sleeved with a limit spiral ring through an external thread part.

Preferably, the outer surface of the end part of the cutter shaft is provided with a movable notch for the short shaft to move horizontally.

Preferably, the end face of the limit spiral ring, which is close to the push ring, is provided with an annular chute, and the end face of the push ring, which is close to the limit spiral ring, is connected with a slide shaft which can be connected with the annular chute in a sliding and clamping manner.

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

(1): the boring cutter head assembly can be used for processing boring hole sites with different thicknesses, is mainly realized by quickly mounting cutter head assemblies with different sizes, and can not be limited by the depth of the boring hole sites;

(2): this application dismouting between axle sleeve and the arbor is connected convenience fast, and application scope is wide.

Drawings

FIG. 1 is a schematic structural view of a gear pump fine boring machining tool;

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

fig. 3 is a schematic structural view of the knife shaft of fig. 1.

Reference numerals: 1. a cutter shaft; 2. a shaft sleeve; 3. a cutter head; 4. a clamping block; 5. a card slot; 6. a stopper; 7. a push ring; 8. a limiting spiral ring; 9. a short axis; 10. a slide shaft; 11. a movable notch; 12. an externally threaded portion.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the present invention, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present invention. Certain features that are in certain figures may be shown exaggerated in detail in order to illustrate relevant details or structures of embodiments of the invention.

Example one

As shown in fig. 1-3, the utility model provides a gear pump thin bore hole processing cutter, including arbor 1 and blade disc 3, the one end fixedly connected with tool bit of blade disc 3, the other end fixedly connected with axle sleeve 2 of blade disc 3, the interior annular symmetric connection of axle sleeve 2 has a pair of fixture block 4, the one end outer anchor ring of arbor 1 is seted up one can with two fixture block 4 one-to-one draw-in grooves 5, draw-in groove 5 is L shape structure, and 5 bearing symmetry of two draw-in grooves to two fixture blocks 4 are gone into the inside of draw-in groove 5 with rotatory mode card.

In this embodiment, the shaft sleeve 2 is sleeved at the end of the cutter shaft 1, so that the two fixture blocks 4 are respectively clamped into the two clamping grooves 5, and then the whole shaft sleeve 2 is rotated, so that the two fixture blocks 4 can slide into the inner end positions of the two clamping grooves 5, and the shaft sleeve 2 cannot be detached from the end of the cutter shaft 1 in a linear manner.

Push ring 7 has been cup jointed in the one end activity that arbor 1 is close to blade disc 3, a pair of dog 6 of short axis 9 fixedly connected with is passed through to the inner anchor ring of push ring 7, the activity notch 11 that supplies the horizontal activity of short axis 9 is seted up to the tip surface of arbor 1, and two dog 6 can stretch into in the draw-in groove 5 of corresponding position in order to keep off fixture block 4 at the inner position of draw-in groove 5 and can't rotate and deviate from.

In conclusion, in this embodiment, through the slip block between fixture block 4 and the draw-in groove 5 and through dog 6 with fixture block 4 spacing in draw-in groove 5, can be with axle sleeve 2 fixed mounting at the tip of arbor 1, can install axle sleeve 2 of equidimension not on arbor 1 fast in actual course of working to the hole site to different apertures is processed.

Example two

As shown in fig. 1-3, the utility model provides a gear pump thin bore hole processing cutter, including arbor 1 and blade disc 3, the one end fixedly connected with tool bit of blade disc 3, the other end fixedly connected with axle sleeve 2 of blade disc 3, the interior annular symmetric connection of axle sleeve 2 has a pair of fixture block 4, the one end outer anchor ring of arbor 1 is seted up one can with two fixture block 4 one-to-one draw-in grooves 5, draw-in groove 5 is L shape structure, and 5 bearing symmetry of two draw-in grooves to two fixture blocks 4 are gone into the inside of draw-in groove 5 with rotatory mode card. Push ring 7 has been cup jointed in the one end activity that arbor 1 is close to blade disc 3, a pair of dog 6 of short axis 9 fixedly connected with is passed through to the inner anchor ring of push ring 7, the activity notch 11 that supplies the horizontal activity of short axis 9 is seted up to the tip surface of arbor 1, and two dog 6 can stretch into in the draw-in groove 5 of corresponding position in order to keep off fixture block 4 at the inner position of draw-in groove 5 and can't rotate and deviate from.

Compared with the first embodiment, the present embodiment further includes: one end of the cutter shaft 1 close to the cutter head 3 is spirally sleeved with a limiting spiral ring 8 through an external thread part 12, an annular sliding groove is formed in the end face of the limiting spiral ring 8 close to the push ring 7, and a sliding shaft 10 capable of being connected with the annular sliding groove in a sliding clamping mode is connected to the end face of the push ring 7 close to the limiting spiral ring 8.

In this embodiment, when the limit screw ring 8 is rotated, the limit screw ring 8 can advance along the axis direction of the arbor 1 through the screw connection between the limit screw ring 8 and the external thread portion 12, so as to drive the push ring 7 to move in the manner described in the above embodiments, and the push ring 7 and the stopper 6 can be limited through the screw connection, thereby improving the connection stability between the cutter head 3 and the arbor 1.

In the above, exemplary embodiments of the proposed solution have been described in detail with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations of the various technical features and structures proposed by the present invention can be made without departing from the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a gear pump thin bore hole processing cutter, includes arbor (1) and blade disc (3), its characterized in that: the cutter shaft is characterized in that a pair of clamping grooves (5) is formed in the outer annular surface of one end of the cutter shaft (1), one end of the cutter head (3) is connected with the shaft sleeve (2), a pair of clamping blocks (4) is symmetrically connected to the inner annular surface of the shaft sleeve (2), and the two clamping blocks (4) correspond to the two clamping grooves (5) one to one.

2. The gear pump fine boring machining tool according to claim 1, characterized in that the clamping grooves (5) are L-shaped, and the two clamping grooves (5) are obliquely symmetrical, so that the two clamping blocks (4) are clamped in the clamping grooves (5) in a rotating manner.

3. The gear pump fine boring machining tool is characterized in that a push ring (7) is movably sleeved at one end, close to a cutter head (3), of a cutter shaft (1), the inner annular surface of the push ring (7) is connected with a pair of stop blocks (6) through a short shaft (9), and the two stop blocks (6) can extend into clamping grooves (5) in corresponding positions to limit the stop blocks (4) in the clamping grooves (5) and cannot be separated.

4. The gear pump fine boring machining tool as claimed in claim 3, characterized in that the outer surface of the end of the cutter shaft (1) is provided with a movable notch (11) for the horizontal movement of the short shaft (9).

5. The gear pump fine boring machining tool as claimed in claim 3, characterized in that a limiting screw ring (8) is spirally sleeved on one end of the cutter shaft (1) close to the cutter head (3) through an external thread part (12).

6. The gear pump fine boring machining tool as claimed in claim 5, wherein an annular sliding groove is formed in the end face of the limiting spiral ring (8) close to the push ring (7), and a sliding shaft (10) capable of being connected with the annular sliding groove in a sliding and clamping manner is connected to the end face of the push ring (7) close to the limiting spiral ring (8).