CN214490135U

CN214490135U - Internal expanding type oil-bonded stone reaming and honing rod

Info

Publication number: CN214490135U
Application number: CN202023177121.3U
Authority: CN
Inventors: 孙军勇; 杨琴; 吴志彬
Original assignee: Zhengzhou Yaxin Superhard Material Co ltd
Current assignee: Zhengzhou Yaxin Superhard Material Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-26
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to an internal expanding type viscous oilstone reaming and honing rod, which comprises a reaming and honing rod body, honing oilstones, an internal push rod, a base and a reaming and honing mandrel; the base is in threaded connection with the opposite end of the reaming and honing rod body, and the inner push rod is in pin connection with the opposite end of the reaming and honing core shaft; through holes are respectively arranged in the base and the reaming and honing rod body, and the inner push rod and the reaming and honing mandrel are inserted into the through holes; a first strip-shaped groove and a through groove with one open end are formed in the circumferential side face of the reaming and honing rod body, and honing oilstones are bonded in the first strip-shaped groove; a wedge-shaped table is arranged in the through hole of the reaming and honing rod body, and an inclined plane matched with the wedge-shaped table is arranged at one end of the reaming and honing mandrel, which is far away from the inner push rod; pushing the inner push rod, enabling the reaming and honing core shaft to move forwards by the inner push rod, and enabling the inclined plane on the reaming and honing core shaft to press the wedge-shaped table in the through hole of the reaming and honing rod body to expand towards the radial direction of the reaming and honing rod body so as to increase the radius of the round table where the outer end face of the honing stone is located; thereby improving the processing precision of the inner hole.

Description

Internal expanding type oil-bonded stone reaming and honing rod

Technical Field

The utility model belongs to the technical field of the stick that reams, concretely relates to stick that reams is reamed to internal expanding type viscous oilstone.

Background

The reaming and honing machine is a common device for precisely processing the inner hole and has the characteristics of reaming and honing; the equipment is generally multi-axis linkage, and the allowance of an inner hole is gradually machined, so that the final machining precision is achieved. The reaming and honing rod is a cutter for machining an inner hole by a reaming and honing machine; the quality of the reaming and honing rod directly determines the processing precision of the processed inner hole.

Chinese utility model patent with publication number CN204604069U discloses a "step hole honing rod"; the honing device comprises a honing rod, wherein the guide part at the front end of the honing rod is provided with at least two layers of step-shaped guide parts, and the rear handle of the honing rod is clamped with a honing machine through a connector; honing oilstones are arranged at the opposite positions of each layer of step-shaped guide part; bonding the oilstone to the base; and machining the stepped hole according to the heights of the large-hole oilstone and the small-hole oilstone. However, when the inner hole is machined by the honing rod, the machining precision of the inner hole is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the processing precision of the inner hole, the utility model provides an internal expanding type oil-bonded stone hinge honing rod; in order to achieve the above object, the utility model discloses a technical scheme specifically as follows:

an internal expanding type viscous oilstone reaming and honing rod comprises a reaming and honing rod body, honing oilstones, an inner push rod, a base and a reaming and honing mandrel; the base is in threaded connection with the opposite end of the reaming and honing rod body, and the inner push rod is in pin connection with the opposite end of the reaming and honing core shaft; through holes are respectively formed in the base and the reaming and honing rod body, and the inner push rod and the reaming and honing mandrel are inserted into the through holes; a first strip-shaped groove and a through groove with an opening at one end are formed in the circumferential side surface of the reaming and honing rod body, and the honing oilstone is bonded in the first strip-shaped groove; a wedge-shaped table is arranged in the through hole of the reaming and honing rod body, and an inclined plane matched with the wedge-shaped table is arranged at one end, far away from the inner push rod, of the reaming and honing core shaft.

The utility model discloses an internal expanding glues oily stone hinge honing stick's beneficial effect: pushing the inner push rod, enabling the reaming and honing core shaft to move forwards by the inner push rod, and enabling the inclined plane on the reaming and honing core shaft to press the wedge-shaped table in the through hole of the reaming and honing rod body to expand towards the radial direction of the reaming and honing rod body so as to increase the radius of the round table where the outer end face of the honing stone is located; adjusting the reaming and honing radius of the reaming and honing rod for honing the oilstone; the base is in threaded connection with the reaming and honing rod body, the inner push rod is in pin connection with the reaming and honing core shaft, the base and the reaming and honing rod body and the inner push rod and the reaming and honing core shaft are detachably connected, maintenance and replacement are facilitated, and the use cost is low.

Furthermore, the number of the first strip-shaped grooves and the number of the through grooves are 3, and the first strip-shaped grooves and the through grooves are alternately and uniformly arranged at intervals along the circumferential direction of the reaming and honing rod body; the open end of the through groove is positioned at one end, far away from the base, of the reaming and honing rod body.

Has the advantages that: 3 first bar-shaped grooves and the through grooves are respectively arranged and alternately and uniformly arranged at intervals, and when the inclined surface on the reaming and honing core shaft is used for jacking the wedge-shaped table in the through hole of the reaming and honing rod body, the uniform expansion of honing oilstones is facilitated.

Further, the number of the wedge-shaped platforms is 3, and the positions of the wedge-shaped platforms on the inner side wall of the through hole are matched with the positions of the first strip-shaped grooves; one end of the reaming and honing mandrel, which is far away from the inner push rod, is a triangular pyramid, and the inclined plane of the triangular pyramid is matched with the inclined plane of the wedge-shaped table.

Has the advantages that: one end of the reaming and honing core shaft is set to be a three-diamond cone, when the inner push rod enables the reaming and honing core shaft to move forwards, three inclined planes of the three-diamond cone simultaneously press the wedge-shaped table, so that the uniform expansion of the reaming and honing rod body is facilitated, and the processing precision of an inner hole is improved.

Further, the hinge honing stick body is kept away from one end of the base is provided with a reducing section, and the opening end of the through groove penetrates through the reducing section.

Has the advantages that: through setting up the reducing section, when being convenient for hinge honing stick inserts the downthehole, be favorable to improving the intensity of hinge honing stick body.

Furthermore, a threaded through hole is formed in the base, a second strip-shaped groove is formed in the side surface of the inner push rod, and the second strip-shaped groove extends along the length direction of the inner push rod; and a screw is screwed into the threaded through hole, and the insertion end of the screw extends into the second strip-shaped groove.

Has the advantages that: screwing a screw into the threaded through hole, wherein the insertion end of the screw extends into the second strip-shaped groove, the inner push rod enables the reaming and honing core shaft to move forwards, and the second strip-shaped groove slides relative to the insertion end of the screw to guide the advancing direction of the reaming and honing core shaft; the inclined plane of the reaming and honing mandrel is convenient to be matched with the inclined plane of the wedge-shaped table.

Furthermore, one end of the inner push rod, which is far away from the reaming and honing core shaft, is provided with a connector, and the connector is used for being connected with a propelling shaft of the reaming and honing machine.

Has the advantages that: through setting up the connector, the connector is convenient for hinge honing stick's interior push rod and hinge honing machine's propulsion hub connection.

Further, the base includes major diameter section and path section, major diameter section and path section coaxial butt joint, the screw thread through-hole is seted up on the path section the annular groove has been seted up to the link of path section and major diameter section.

Has the advantages that: the base is arranged into a large-diameter section and a small-diameter section, and an annular groove is formed in the base, so that the reaming and honing rod can be conveniently connected with the clamping part of the reaming and honing machine.

Drawings

Fig. 1 is a schematic perspective view of an internal expanding type oil-bonded stone hinge honing rod of the present invention;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a cross-sectional view of fig. 2.

Reference numbers in the figures: 1-reaming honing rod body, 2-honing oilstone, 3-inner push rod, 4-base, 41-large diameter section, 42-small diameter section, 43-annular groove, 5-reaming honing mandrel, 6-pin, 7-through hole, 8-first strip-shaped groove, 9-through groove, 10-wedge-shaped table, 11-inclined surface, 12-three-diamond cone, 13-thread through hole, 14-second strip-shaped groove, 15-connector and 16-reducing section.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

the structure of the embodiment of the internal expanding type viscous oilstone reaming and honing rod of the utility model is shown in fig. 1-3, and comprises a reaming and honing rod body 1, a honing oilstone 2, an internal push rod 3, a base 4 and a honing mandrel 5; the base 4 is in threaded connection with the opposite end of the reaming and honing rod body 1, the thread direction is opposite to the rotation direction of the reaming and honing rod, and the threaded connection between the base 4 and the opposite end of the reaming and honing rod body 1 is prevented from loosening in the rotation process of the reaming and honing rod. The inner push rod 3 is connected with a pin 6 at the opposite end of the honing mandrel 5; one end of the inner push rod 3 is provided with a groove for inserting one end of a honing core shaft 5 into the groove and is connected and fixed by a pin 6. Through holes 7 are respectively arranged in the base 4 and the reaming and honing rod body 1, and the inner push rod 3 and the honing mandrel 5 are inserted into the through holes 7; a first strip-shaped groove 8 and a through groove 9 with one open end are formed in the circumferential side surface of the reaming and honing rod body 1, and the honing oilstone 2 is bonded in the first strip-shaped groove 8; a wedge-shaped table 10 is arranged in the through hole 7 of the reaming and honing rod body 1, and an inclined surface 11 matched with the wedge-shaped table 10 is arranged at one end of the honing mandrel 5 far away from the inner push rod 3.

In the embodiment, the number of the first strip-shaped grooves 8 and the number of the through grooves 9 are 3, and the first strip-shaped grooves and the through grooves are alternately and uniformly arranged at intervals along the circumferential direction of the reaming and honing rod body 1; the opening end of the through groove 9 is positioned at one end of the reaming and honing rod body 1 far away from the base 4; 3 first bar-shaped grooves 8 and the through grooves 9 are respectively arranged and alternately and uniformly arranged at intervals, and when the inclined surface 11 on the honing mandrel 5 is pressed and hinged against the wedge-shaped table 10 in the through hole 7 of the honing stick body 1, the honing stick body 2 can be uniformly expanded. The number of the wedge-shaped platforms 10 is 3, and the positions of the wedge-shaped platforms 10 on the inner side wall of the through hole 7 are matched with the positions of the first strip-shaped grooves 8; one end of the honing mandrel 5, which is far away from the inner push rod 3, is provided with a mitsubishi cone 12, and an inclined plane 11 of the mitsubishi cone 12 is matched with an inclined plane 11 of the wedge-shaped table 10; one end of the honing mandrel 5 is set to be a three-diamond cone 12, when the inner push rod 3 enables the honing mandrel 5 to move forwards, three inclined planes 11 of the three-diamond cone 12 simultaneously press the wedge-shaped table 10, so that the honing bar body 1 can be reamed and expanded uniformly, and the processing precision of an inner hole is improved. One end of the reaming and honing rod body 1, which is far away from the base 4, is provided with a reducing section 16, and the opening end of the through groove 9 penetrates through the reducing section 16; by arranging the reducing section 16, the reaming and honing rod can be conveniently inserted into the inner hole, and meanwhile, the strength of the reaming and honing rod body 1 can be improved. In other embodiments, the number of the first strip-shaped grooves and the number of the through grooves are 2 or 4, and the first strip-shaped grooves and the through grooves are alternately and uniformly arranged at intervals along the circumferential direction of the hinge honing rod body; the number of the wedge-shaped platforms and the number of the inclined planes at one end of the honing mandrel are respectively matched with the number of the first strip-shaped grooves.

In the embodiment, a threaded through hole 13 is formed in the base 4, a second strip-shaped groove 14 is formed in the side surface of the inner push rod 3, and the second strip-shaped groove 14 extends along the length direction of the inner push rod 3; a screw is screwed into the threaded through hole 13, and the insertion end of the screw extends into the second strip-shaped groove 14; screwing a screw into the threaded through hole 13, wherein the insertion end of the screw extends into the second strip-shaped groove 14, the inner push rod 3 enables the honing spindle 5 to move forwards, and the second strip-shaped groove 14 slides relative to the insertion end of the screw to guide the advancing direction of the honing spindle 5; the inclined surface 11 of the honing spindle 5 is adapted to the inclined surface 11 of the wedge table 10. A connector 15 is arranged at one end of the inner push rod 3 far away from the honing mandrel 5, the connector 15 and the inner push rod 3 are integrated, and the connector 15 is used for connecting with a propelling shaft of the reaming and honing machine; by arranging the connecting head 15, the connecting head 15 is convenient for connecting the inner push rod 3 of the reaming and honing rod with the pushing shaft of the reaming and honing machine. The base 4 comprises a large-diameter section 41 and a small-diameter section 42, the large-diameter section 41 and the small-diameter section 42 are coaxially butted, the threaded through hole 13 is formed in the small-diameter section 42, and an annular groove 43 is formed at the connecting end of the small-diameter section 42 and the large-diameter section 41; the base 4 is provided with a large-diameter section 41 and a small-diameter section 42, and an annular groove 43 is formed, so that the reaming and honing rod can be conveniently connected with the clamping part of the reaming and honing machine. In other embodiments, a connector is arranged at one end of the inner push rod, which is far away from the honing mandrel, the connector is in threaded connection with the inner push rod, and the direction of the threads is opposite to the rotation direction of the reaming and honing rod.

When in use, the connector 15 is connected to the propelling shaft of the reaming and honing machine, and the base 4 is connected to the clamping part of the reaming and honing machine; the pushing shaft of the reaming and honing machine pushes the inner push rod 3, the inner push rod 3 enables the honing core 5 to move forwards, the inclined surface 11 on the honing core 5 supports the wedge-shaped table 10 in the through hole 7 of the reaming and honing rod body 1, the wedge-shaped table 10 expands towards the radial direction of the reaming and honing rod body 1, and the radius of the round table where the outer end surface of the honing oilstone 2 is located is increased; the reaming and honing radius of the reaming and honing rod of the honing oilstone 2 is adjusted.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. An internal expanding type viscous oilstone reaming and honing rod is characterized by comprising a reaming and honing rod body, honing oilstones, an internal push rod, a base and a reaming and honing mandrel; the base is in threaded connection with the opposite end of the reaming and honing rod body, and the inner push rod is in pin connection with the opposite end of the reaming and honing core shaft; through holes are respectively formed in the base and the reaming and honing rod body, and the inner push rod and the reaming and honing mandrel are inserted into the through holes; a first strip-shaped groove and a through groove with an opening at one end are formed in the circumferential side surface of the reaming and honing rod body, and the honing oilstone is bonded in the first strip-shaped groove; a wedge-shaped table is arranged in the through hole of the reaming and honing rod body, and an inclined plane matched with the wedge-shaped table is arranged at one end, far away from the inner push rod, of the reaming and honing core shaft.

2. The internal expanding type oil-bonded stone reaming and honing rod as claimed in claim 1, wherein the number of the first bar-shaped grooves and the number of the through grooves are 3, and the first bar-shaped grooves and the through grooves are alternately and uniformly arranged at intervals along the circumferential direction of the reaming and honing rod body; the open end of the through groove is positioned at one end, far away from the base, of the reaming and honing rod body.

3. The internal expanding type oil-bonded stone reaming honing stick according to claim 2, wherein the number of the wedge-shaped platforms is 3, and the positions of the wedge-shaped platforms on the inner side wall of the through hole are matched with the positions of the first strip-shaped grooves; one end of the reaming and honing mandrel, which is far away from the inner push rod, is a triangular pyramid, and the inclined plane of the triangular pyramid is matched with the inclined plane of the wedge-shaped table.

4. The internal expanding type oil-bonded stone reaming and honing stick according to claim 3, wherein a reducing section is arranged at one end of the reaming and honing stick body far away from the base, and the opening end of the through groove penetrates through the reducing section.

5. The internal expanding type oil-bonded stone reaming honing rod according to claim 1, wherein a threaded through hole is formed in the base, a second strip-shaped groove is formed in a side surface of the internal pushing rod, and the second strip-shaped groove extends along the length direction of the internal pushing rod; and a screw is screwed into the threaded through hole, and the insertion end of the screw extends into the second strip-shaped groove.

6. The internal expanding type oil-bonded stone reaming and honing stick of claim 1, wherein a connector is disposed at an end of the internal pushing rod away from the reaming and honing mandrel, and the connector is used for connecting with a propelling shaft of a reaming and honing machine.

7. The internal expanding type oil-bonded stone reaming and honing stick according to claim 5, wherein the base comprises a large diameter section and a small diameter section, the large diameter section and the small diameter section are coaxially butted, the threaded through hole is formed in the small diameter section, and an annular groove is formed at the connecting end of the small diameter section and the large diameter section.