CN216030137U

CN216030137U - Honing machine bistrique

Info

Publication number: CN216030137U
Application number: CN202122147207.XU
Authority: CN
Inventors: 杨建�; 张现辉; 陈延丽
Original assignee: Chengdu Dahongli Machinery Co Ltd
Current assignee: Chengdu Dahongli Machinery Co Ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-15
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a honing machine grinding head which comprises a connecting main shaft, a connecting cylinder, an adjusting ejector rod and a grinding device, wherein the adjusting ejector rod and the grinding device are arranged on the connecting cylinder; a plurality of adjusting holes are formed in the wall of the connecting cylinder along the circumferential direction, adjusting ejector rods penetrate through the adjusting holes, the adjusting ejector rods are in sliding fit with the hole walls of the adjusting holes, and the length direction of the adjusting ejector rods is coincided with the radial direction of the inner hole of the connecting cylinder; one end of the adjusting ejector rod, which is positioned in the connecting cylinder, is in taper fit with the connecting main shaft; the grinding device is arranged at one end, far away from the connecting cylinder, of the adjusting ejector rod and comprises a grinding base and a grinding sand strip, the grinding base is connected with one end, far away from the connecting cylinder, of the adjusting ejector rod, and the grinding sand strip is arranged on one side face, far away from the adjusting ejector rod, of the grinding base; be provided with on the connecting cylinder and be used for prescribing a limit to the inside anticreep device of connecting cylinder with the one end of adjusting the ejector pin. This application has the effect that improves production efficiency to a certain extent.

Description

Honing machine bistrique

Technical Field

The utility model relates to a grinding head, in particular to a grinding head of a honing machine, and belongs to the technical field of honing machine equipment.

Background

The honing machine is a grinding machine which utilizes the honing head to hone the finish machining surface of a workpiece, the honing machine is mainly used for finish machining and ultra-precision machining of an inner hole of a precision part, the workpiece is cooled by special honing oil in the honing process, the deformation is very small, and higher dimensional precision, geometric precision and surface roughness can be obtained, so the honing is an important technological means for efficiently machining the precision inner hole and a long hole; the honing machine is mainly used for honing holes of workpieces in the manufacturing industries of automobiles, tractors, hydraulic parts, bearings, aviation and the like, and has a vertical type and a horizontal type; the honing head embedded with honing emery sticks is driven by the vertically arranged main shaft to rotate and simultaneously performs vertical reciprocating feeding motion under the driving of a hydraulic device (see a machine tool); the horizontal honing machine has long working stroke, is suitable for honing deep holes, has a depth of 3000 mm, has a horizontally arranged honing head which does not rotate and only does axial reciprocating motion, a workpiece is driven by a main shaft to rotate, and the middle part of the machine body is provided with a central frame for supporting the workpiece and a guide frame for supporting the honing rod.

In view of the above-mentioned related art, the applicant believes that in the actual use process of the vertical honing machine grinding head in the related art, because the honing emery stick performs honing and finish machining on products of different models, the honing emery stick is easy to wear, and the honing emery stick needs to be frequently replaced, thereby increasing the workload of workers and reducing the production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a honing machine head.

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

a honing machine grinding head comprises a connecting main shaft and a connecting cylinder, wherein one end of the connecting main shaft is positioned in the connecting cylinder and is in threaded fit with the connecting cylinder; a plurality of adjusting holes are formed in the wall of the connecting cylinder at intervals along the circumferential direction of the connecting cylinder, the adjusting ejector rods penetrate through the adjusting holes, the adjusting ejector rods are in sliding fit with the hole walls of the adjusting holes, and the length direction of the adjusting ejector rods is overlapped with the radial direction of the inner hole of the connecting cylinder; one end of the adjusting ejector rod, which is positioned in the connecting cylinder, is in taper fit with the connecting main shaft; the grinding device is arranged at one end, far away from the connecting cylinder, of the adjusting ejector rod and comprises a grinding base and a grinding sand strip, one side face of the grinding base is connected with one end, far away from the connecting cylinder, of the adjusting ejector rod, and the grinding sand strip is arranged on one side face, far away from the adjusting ejector rod, of the grinding base; be provided with on the connecting cylinder and be used for prescribing a limit to the inside anticreep device of connecting cylinder with the one end of adjusting the ejector pin.

Preferably, the anti-dropping device comprises a grinding disc, a fixed ring and a plurality of springs, and the number of the springs is consistent with that of the grinding bases; the one side quotation of mill is connected with the one end of connecting cylinder, gu fixed ring sets up on the quotation of mill one side, gu fixed ring's axis coincides mutually with the axis of connecting cylinder, and is a plurality of the one end of spring is connected with solid fixed ring, the other end and corresponding grind the base and be connected, just the length direction of spring and the regulation roof that corresponds is unanimous.

Preferably, be provided with two circles on the connecting cylinder adjust the ejector pin and two the anticreep device, two circles adjust the ejector pin and be located respectively honing emery stick is along honing emery stick length direction's both ends, two the anticreep device is located respectively honing emery stick is along honing emery stick length direction's both ends.

Preferably, two all seted up a plurality of flexible grooves along the radial of connecting cylinder hole on the mill, the both ends of grinding the base all be located the flexible inslot that corresponds the mill and with flexible inslot sliding fit.

Preferably, one end of the spring is fastened with the grinding base, and the other end of the spring is fastened with the fixing ring.

Preferably, one end of the adjusting ejector rod, which is far away from the connecting cylinder, is abutted against the grinding base.

The utility model has the beneficial effects that:

1. the grinding head is placed in an inner hole of a workpiece to be machined, the depth of taper contact between the connecting main shaft and the adjusting ejector rods is adjusted, the working outer diameter of the grinding device is further adjusted, so that a grinding sand bar of the grinding device is abutted to the inner hole wall of the workpiece, the grinding device is driven to rotate by driving the connecting main shaft to rotate, the effect of finish machining of the inner hole of the workpiece is achieved, when the grinding sand bar is abraded to a certain extent, the depth of taper contact between the connecting main shaft and the adjusting ejector rods only needs to be adjusted, the grinding sand bar can be continuously used, the adjustment is convenient and simple, the frequency of replacing the grinding sand bar by a worker is reduced, and the production efficiency is improved;

2. the anti-falling device is beneficial to enabling one end of the adjusting ejector rod to be always positioned inside the connecting cylinder, so that the honing machine grinding head is kept in a standby state, and the honing machine grinding head can be conveniently used at any time;

3. the spring and the grinding device are detachably connected, and the spring and the fixing ring are detachably connected, so that the grinding device and the spring can be conveniently detached and replaced.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1 in example 1 of the present invention;

in the figure: 1. connecting the main shaft; 2. a connecting cylinder; 21. an adjustment hole; 3. adjusting the ejector rod; 4. a grinding device; 41. grinding the base; 42. grinding the sand strips; 5. an anti-drop device; 51. a grinding disc; 511. a telescopic groove; 52. a fixing ring; 53. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. 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, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Example 1

A honing machine grinding head, refer to fig. 1 and 2, comprises a connecting main shaft 1 and a connecting cylinder 2, wherein one end of the connecting main shaft 1 is positioned inside the connecting cylinder 2 and is in threaded fit with the connecting cylinder 2, and the honing machine grinding head further comprises a plurality of adjusting ejector rods 3 and a plurality of grinding devices 4 which are arranged on the connecting cylinder 2; a plurality of adjusting holes 21 are uniformly and alternately arranged on the wall of the connecting cylinder 2 along the circumferential direction of the connecting cylinder 2, adjusting ejector rods 3 penetrate through the adjusting holes 21, the adjusting ejector rods 3 are in sliding fit with the hole walls of the adjusting holes 21, the length direction of the adjusting ejector rods 3 is coincident with the radial direction of the inner hole of the connecting cylinder 2, namely the length direction of the adjusting ejector rods 3 is perpendicular to and crossed with the central axis of the connecting cylinder 2; one end of the adjusting ejector rod 3, which is positioned in the connecting cylinder 2, is in taper fit with the part of the connecting main shaft 1, which is positioned in the connecting cylinder 2; the grinding device 4 is arranged at one end, far away from the connecting cylinder 2, of the adjusting ejector rod 3, the grinding device 4 comprises a grinding base 41 and a grinding sand strip 42, one side face of the grinding base 41 is connected with one end, far away from the connecting cylinder 2, of the adjusting ejector rod 3, and the grinding sand strip 42 is pasted on one side face, far away from the adjusting ejector rod 3, of the grinding base 41; the connecting cylinder 2 is provided with an anti-falling device 5 which is used for limiting one end of the adjusting mandril 3 in the connecting cylinder 2; when the grinding sand bars 42 are seriously worn, the depth of taper contact between the adjusting ejector rod 3 and the connecting main shaft 1 is adjusted, the working outer diameter of the grinding sand bars 42 can be increased, the service life of the grinding sand bars 42 is prolonged, the workload of replacing the grinding sand bars 42 by workers is reduced, and meanwhile, the production efficiency is favorably improved.

Referring to fig. 1 and 2, the anti-slip device 5 includes a grinding disc 51, a fixing ring 52 and a plurality of springs 53, the number of the springs 53 is the same as that of the grinding bases 41; one side disc surface of the grinding disc 51 is welded with one end of the connecting cylinder 2; as a preferred embodiment, the central axis of the grinding disc 51 coincides with the central axis of the connecting cylinder 2, the fixing ring 52 is welded on the disc surface on one side of the grinding disc 51, the central axis of the fixing ring 52 coincides with the central axis of the connecting cylinder 2, one end of each of the plurality of springs 53 is fastened with the fixing ring 52, the other end of each of the plurality of springs 53 is fastened with the corresponding grinding base 41, the plurality of springs 53 are uniformly distributed along the circumferential direction of the fixing ring 52 at intervals, and the length direction of each of the springs 53 is consistent with the length direction of the corresponding adjusting ejector rod 3; under the action of the elastic force of the spring 53, one end of the adjusting ejector rod 3 is always positioned inside the connecting cylinder 2, so that the situation that one end of the adjusting ejector rod 3 is separated from the connecting cylinder 2 is reduced, and the honing machine grinding head is always in a state of being capable of being used at any time; the grinding disc 51 is provided with a telescopic groove 511 along the radial direction of the inner hole of the connecting cylinder 2, the grinding base 41 is positioned in the telescopic groove 511 and is in sliding fit with the telescopic groove 511, and one end of the adjusting ejector rod 3, which is far away from the connecting cylinder 2, is abutted against one side surface of the grinding base 41.

Referring to fig. 1, the connecting cylinder 2 is provided with two circles of adjusting ejector rods 3 and two anti-falling devices 5; the two circles of adjusting ejector rods 3 are respectively positioned at two ends of the grinding sand bar 42 along the length direction of the grinding sand bar 42, the two anti-falling devices 5 are also respectively positioned at two ends of the grinding sand bar 42 along the length direction of the grinding sand bar 42, the grinding discs 51 of the two anti-falling devices 5 are both disc-shaped, the middle parts of the two grinding discs 51 are provided with holes for the connecting cylinder 2 to pass through, one grinding disc 51 is welded with one end of the connecting cylinder 2, the other grinding disc 51 is sleeved at the middle part of the connecting cylinder 2 and is welded with the connecting cylinder 2, one end of each adjusting ejector rod 3 can be conveniently limited in the connecting cylinder 2 by the corresponding anti-falling device 5, the disc surfaces of the two grinding discs 51 are parallel to each other, and a plurality of grinding head support rods are welded between the two grinding discs 51, so that the stability of the grinding head of the honing machine during use is improved; a plurality of flexible grooves 511 have all been seted up along the radial of connecting cylinder 2 hole on the quotation of two mill 51, grind the both ends of base 41 be located correspond the flexible groove 511 of the correspondence of mill 51 in and with flexible groove 511 sliding fit, improved the stability that grinder 4 removed when changing the external diameter of lapping sand strip 42 work.

Referring to fig. 1, one end of the adjusting ejector rod 3 away from the connecting cylinder 2 is abutted against the corresponding grinding base 41, so that the grinding sand bar 42, the grinding base 41, the spring 53 and the adjusting ejector rod 3 can be detached and replaced.

Example 2

The difference between this embodiment and embodiment 1 is that the anti-slip device 5 includes a grinding disc 51, a fixing ring 52 and a plurality of chains, one end of each chain is fastened to the fixing ring 52, and one end of each chain, which is far away from the fixing ring 52, is fastened to the corresponding grinding base 41.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a honing machine bistrique, is including connecting main shaft (1) and connecting cylinder (2), the one end of connecting main shaft (1) is located the inside of connecting cylinder (2) and with connecting cylinder (2) screw-thread fit, its characterized in that: the grinding device also comprises an adjusting ejector rod (3) arranged on the connecting cylinder (2) and a grinding device (4); a plurality of adjusting holes (21) are formed in the wall of the connecting cylinder (2) at intervals along the circumferential direction of the connecting cylinder (2), the adjusting ejector rods (3) penetrate through the adjusting holes (21), the adjusting ejector rods (3) are in sliding fit with the hole walls of the adjusting holes (21), and the length direction of the adjusting ejector rods (3) is overlapped with the radial direction of the inner hole of the connecting cylinder (2); one end of the adjusting ejector rod (3) positioned in the connecting cylinder (2) is in taper fit with the connecting main shaft (1); the grinding device (4) is arranged at one end, far away from the connecting cylinder (2), of the adjusting ejector rod (3), the grinding device (4) comprises a grinding base (41) and a grinding sand strip (42), one side face of the grinding base (41) is connected with one end, far away from the connecting cylinder (2), of the adjusting ejector rod (3), and the grinding sand strip (42) is arranged on one side face, far away from the adjusting ejector rod (3), of the grinding base (41); the connecting cylinder (2) is provided with an anti-falling device (5) used for limiting one end of the adjusting ejector rod (3) in the connecting cylinder (2).

2. The honing machine honing head of claim 1, wherein: the anti-falling device (5) comprises a grinding disc (51), a fixing ring (52) and a plurality of springs (53), wherein the number of the springs (53) is consistent with that of the grinding bases (41); the one side quotation of mill (51) is connected with the one end of connecting cylinder (2), gu fixed ring (52) sets up on mill (51) one side quotation, the axis of fixed ring (52) coincides mutually with the axis of connecting cylinder (2), and is a plurality of the one end of spring (53) is connected with solid fixed ring (52), the other end and corresponds grind base (41) and be connected, just the length direction of spring (53) is unanimous with the length direction of the regulation ejector pin (3) that corresponds.

3. The honing machine honing head of claim 1, wherein: be provided with two circles on connecting cylinder (2) adjust ejector pin (3) and two anticreep device (5), two circles adjust ejector pin (3) and be located respectively grind the sand strip along the both ends of grinding sand strip length direction, two anticreep device (5) are located respectively grind the sand strip along the both ends of grinding sand strip length direction.

4. A honing machine head according to claim 2, wherein: two a plurality of flexible grooves (511) have all been seted up along the radial of connecting cylinder (2) hole on mill (51), the both ends of grinding base (41) all be located flexible groove (511) that correspond mill (51) in and with flexible groove (511) sliding fit.

5. A honing machine head according to claim 2, wherein: one end of the spring (53) is buckled with the grinding base (41), and the other end of the spring is buckled with the fixing ring (52).

6. The honing machine honing head of claim 1, wherein: one end of the adjusting ejector rod (3) far away from the connecting cylinder (2) is abutted against the grinding base (41).