CN209887246U

CN209887246U - High-precision centerless grinding machine for connecting rod shaft sleeve and cam shaft sleeve

Info

Publication number: CN209887246U
Application number: CN201920764271.2U
Authority: CN
Inventors: 余培富; 朱伟华; 王清
Original assignee: Hangzhou Linan Peifu Locomotive Parts Co Ltd
Current assignee: Hangzhou Linan Peifu Locomotive Parts Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-03
Anticipated expiration: 2029-05-24

Abstract

The utility model provides a connecting rod axle sleeve, high accuracy centerless grinding machine for camshaft sleeve belongs to centerless grinding machine technical field, including bottom plate, fixed plate, hydraulic pressure post, support plate, pillar, bearing, center pin, solid fixed cylinder, polish a section of thick bamboo, support column, fixing bearing, axis of rotation, rotary drum and an adjustment section of thick bamboo, the both sides at bottom plate top weld respectively and are provided with two spinal branch posts and fixed plate, and the left side welding of fixed plate is provided with the hydraulic pressure post. The utility model provides a location strip is connected in the piston post through two screw thread post, when adjusting location strip height, two swivel becks are rotated to the equidirectional simultaneously, the swivel beck can be followed to the screw thread post and synchronous the rotation, screw thread post and screw thread ring threaded connection make the screw thread post reciprocate in the screw thread ring, and then make the location strip reciprocate on the support plate, two swivel beck pivoted angles are directly proportional with the distance that the screw thread post reciprocated, the height of the regulation location strip of the high accuracy of can being convenient for, it is high to have the regulation precision, adjust convenient advantage.

Description

High-precision centerless grinding machine for connecting rod shaft sleeve and cam shaft sleeve

Technical Field

The utility model relates to a centerless grinder technical field, it is specific, relate to a high accuracy centerless grinder.

Background

The centerless grinding machine is a grinding machine which does not need to adopt the axis location of a workpiece for grinding, and mainly comprises a grinding wheel, an adjusting wheel and a workpiece support, wherein the grinding wheel actually plays a role in grinding, the adjusting wheel controls the rotation of the workpiece and controls the feed speed of the workpiece, the workpiece support supports the workpiece during grinding, and the height of a locating strip between an adjusting cylinder and a grinding cylinder of the centerless grinding machine in the prior art is not accurately adjusted, so that the friction force between a cylindrical grinding piece and the grinding cylinder is influenced, and the grinding work of the centerless grinding machine is further influenced. Therefore, it is necessary to provide a high-precision centerless grinding machine for a connecting rod sleeve and a cam sleeve by further research based on the centerless grinding machine.

SUMMERY OF THE UTILITY MODEL

This kind of connecting rod axle sleeve, its high accuracy centerless grinder for camshaft sleeve solves the inaccurate problem of highly transferring of above-mentioned location strip that proposes, a connecting rod axle sleeve, the centerless grinder of high accuracy for camshaft sleeve is provided, location strip in this centerless grinder is connected in the piston post through two screw thread posts, when adjusting location strip height, two change rings are rotated to the equidirectional direction simultaneously, the change ring synchronous rotation can be followed to the screw thread post, screw thread post and screw thread ring threaded connection, make the screw thread post reciprocate in the screw thread ring, and then make the location strip reciprocate on the support plate, two change ring pivoted angles are directly proportional with the distance that the screw thread post reciprocated, the height of the regulation location strip of high accuracy of can being convenient for, it is high to have the regulation precision, adjust convenient advantage.

The utility model provides a following technical scheme: a high-precision centerless grinding machine for connecting rod shaft sleeves and cam shaft sleeves comprises a bottom plate, a fixing plate, a hydraulic column, a support plate, support columns, bearings, a central shaft, a fixing cylinder, a grinding cylinder, support columns, fixing bearings, a rotating shaft, a rotating cylinder and an adjusting cylinder, wherein the two sides of the top of the bottom plate are respectively welded with the two support columns and the fixing plate, the left side of the fixing plate is welded with the hydraulic column, the left side of the hydraulic column is welded with the support plate, the tops of the support columns are respectively welded with the bearings, the middle of each bearing is penetrated and welded by the central shaft, the two bearings are respectively positioned at the two ends of the central shaft, the central shaft is penetrated and welded with the fixing cylinder, the grinding cylinder is sleeved outside the fixing cylinder, the tops of the support plates are welded with the two support columns, the tops of the support columns are respectively welded, the two fixed bearings are respectively positioned at two ends of the rotating shaft, the rotating shaft is welded in the rotating drum in a penetrating way, the outer side of the rotating drum is sleeved with the adjusting drum, a plurality of sliding balls are movably embedded in the top of the bottom plate, and the sliding balls are tightly attached to the bottom of the support plate; the support plate includes piston post, screw thread ring, screw thread post, rotating ring, little bearing and location strip, the top welding of support plate is provided with two piston posts, the top of piston post all imbeds the welding and has the screw thread ring, the centre of screw thread ring is run through by screw thread post screw thread, screw thread post through welding is in the centre of rotating ring, the equal nested welding in top of screw thread post has the little bearing, the equal imbeds the welding of little bearing is in the location strip.

Further preferred embodiments: the left side of the top surface of the positioning strip is higher than the right side of the top surface of the positioning strip, and the inclination angle of the top surface of the positioning strip is 50-70 degrees.

Further preferred embodiments: the threaded columns are perpendicular to the support plate and located between the grinding cylinder and the adjusting cylinder.

Further preferred embodiments: the rotation directions of the grinding cylinder and the adjusting cylinder are different, the shape and the size of the grinding cylinder of the adjusting cylinder are kept consistent, and the adjusting cylinder rotates clockwise.

Further preferred embodiments: the central shaft is positioned between the two bearings, and the rotating shaft is positioned between the two fixed bearings.

Further preferred embodiments: the back of center pin and axis of rotation all is equipped with servo motor, and center pin and axis of rotation respectively with two servo motor's power take off end welding to two servo motor set up respectively through branch welding on support plate and bottom plate.

Has the advantages that: the utility model discloses in, the location strip is connected in the piston post through two screw thread post, when adjusting location strip height, two swivel becks are rotated to the equidirectional simultaneously, the swivel beck can be followed to the screw thread post and synchronous the rotation, screw thread post and screw thread ring threaded connection, make the screw thread post reciprocate in the screw thread ring, and then make the location strip reciprocate on the support plate, two swivel beck pivoted angles are directly proportional with the distance that the screw thread post reciprocated, the height of the regulation location strip of high accuracy of can being convenient for, it is high to have the regulation precision, adjust convenient advantage, the sliding ball can reduce the frictional force between support plate and the bottom plate, the piece of polishing is lived in the location that the top face position inclined plane of location strip can be fine, and.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

In FIGS. 1-2: the grinding machine comprises a base plate 1, a sliding ball 101, a fixing plate 2, a hydraulic column 3, a carrier plate 4, a piston column 401, a threaded ring 402, a threaded column 403, a rotating ring 404, a small bearing 405, a positioning strip 406, a support column 5, a bearing 6, a central shaft 7, a fixed cylinder 8, a grinding cylinder 9, a support column 10, a fixed bearing 11, a rotating shaft 12, a rotating cylinder 13 and an adjusting cylinder 14.

Detailed Description

Referring to fig. 1 to 2, in an embodiment of the present invention, a high-precision centerless grinding machine for connecting rod bushings and cam bushings includes a base plate 1, a fixing plate 2, a hydraulic column 3, a support plate 4, a support column 5, a bearing 6, a central shaft 7, a fixing cylinder 8, a grinding cylinder 9, a support column 10, a fixing bearing 11, a rotating shaft 12, a rotating cylinder 13 and an adjusting cylinder 14, wherein two support columns 5 and two fixing plates 2 are welded to two sides of the top of the base plate 1, respectively, the hydraulic column 3 is welded to the left side of the fixing plate 2, the support plate 4 is welded to the left side of the hydraulic column 3, the bearing 6 is welded to the top of the support column 5, the middle of the bearing 6 is welded to the central shaft 7, the two bearings 6 are respectively located at two ends of the central shaft 7, the central shaft 7 is welded to the fixing cylinder 8, the grinding cylinder 9 is sleeved to the outside, the top of the support column 10 is welded with fixed bearings 11, the middle of each fixed bearing 11 is penetrated and welded by a rotating shaft 12, the two fixed bearings 11 are respectively positioned at two ends of the rotating shaft 12, the rotating shaft 12 is penetrated and welded in a rotating drum 13, the outer side of the rotating drum 13 is sleeved with an adjusting drum 14, a plurality of sliding balls 101 are movably embedded in the top of the bottom plate 1, the sliding balls 101 are tightly attached to the bottom of the support plate 4, and the sliding balls 101 can reduce the friction force between the support plate 4 and the bottom plate 1;

the carrier plate 4 comprises piston columns 401, a threaded ring 402, threaded columns 403, a rotating ring 404, small bearings 405 and positioning strips 406, the two piston columns 401 are welded to the top of the carrier plate 4, the threaded rings 402 are welded to the top of the piston columns 401 in an embedded mode, the middle of each threaded ring 402 is penetrated through by the corresponding threaded column 403 in a threaded mode, the threaded columns 403 are welded to the middle of the corresponding rotating ring 404 in a penetrating mode, the small bearings 405 are welded to the top of each threaded column 403 in an embedded mode, and the small bearings 405 are welded to the positioning strips 406 in an embedded mode.

Preferably, the left side of the top surface of the positioning strip 406 is higher than the right side thereof, the inclination angle of the top surface of the positioning strip 406 is 60 degrees, the threaded columns 403 are all perpendicular to the carrier plate 4, the threaded columns 403 are located between the polishing cylinder 9 and the adjusting cylinder 14, the positioning strip 406 is connected in the piston column 401 through the two threaded columns 403, when the height of the positioning strip is adjusted, the two rotating rings 404 are simultaneously rotated in the same direction, the threaded columns 403 can synchronously rotate along with the rotating rings 404, the threaded columns 403 are in threaded connection with the threaded rings 402, so that the threaded columns 403 can move up and down in the threaded rings 402, the positioning strip 406 can move up and down on the carrier plate, the rotating angle of the two rotating rings 404 is in direct proportion to the up-and-down moving distance of the threaded columns 403, the height of the positioning strip 406 can be conveniently adjusted with high precision, the rotating directions of the polishing cylinder 9 and the adjusting cylinder 14 are not consistent, the polishing cylinder 9 of the adjusting cylinder, and the adjusting cylinder 14 rotates clockwise, the central shaft 7 is positioned between the two bearings 6, the rotating shaft 12 is positioned between the two fixed bearings 11, servo motors are arranged on the back sides of the central shaft 7 and the rotating shaft 12, the central shaft 7 and the rotating shaft 12 are respectively welded with the power output ends of the two servo motors, and the two servo motors are respectively welded on the support plate 4 and the bottom plate 1 through supporting rods.

The working principle is as follows:

use the utility model relates to a connecting rod axle sleeve, during the high accuracy centerless grinding machine for the cam axle sleeve, at first, will polish a top of putting at location strip 406, the right side of polishing a right side is hugged closely on an adjusting cylinder 12, place the water pipe of water spray again in the top of polishing a section of thick bamboo 9, make the water source continuous spray on polishing a section of thick bamboo 9, two servo motor drive respectively, center pin 7, solid fixed cylinder 8, polishing a section of thick bamboo 9, axis of rotation 12, rotary drum 13 and adjusting cylinder 14 rotate, make adjusting cylinder 14 clockwise turning, polishing a section of thick bamboo 9 anticlockwise rotation, polish a piece and 14 looks mutual friction of adjusting cylinder, adjusting cylinder 14 will anticlockwise rotation, secondly hydraulic column 3 pushes away support plate 4 left, make polishing piece and polishing a section of thick bamboo 9 looks mutual friction, polishing work is polished to polishing piece 9.

Claims

1. The utility model provides a connecting rod axle sleeve, high accuracy centerless grinder for camshaft sleeve, includes bottom plate (1), fixed plate (2), hydraulic pressure post (3), support plate (4), pillar (5), bearing (6), center pin (7), solid fixed cylinder (8), a section of thick bamboo (9) of polishing, support column (10), fixed bearing (11), axis of rotation (12), rotary drum (13) and an adjustment section of thick bamboo (14), its characterized in that: the two sides of the top of the bottom plate (1) are respectively provided with two pillars (5) and a fixed plate (2) in a welding mode, the left side of the fixed plate (2) is provided with a hydraulic column (3) in a welding mode, the left side of the hydraulic column (3) is provided with a carrier plate (4) in a welding mode, the tops of the pillars (5) are respectively provided with a bearing (6) in a welding mode, the middle of each bearing (6) is penetrated and welded by a central shaft (7), the two bearings (6) are respectively located at the two ends of the central shaft (7), the central shaft (7) is penetrated and welded on a fixed cylinder (8), a polishing cylinder (9) is sleeved on the outer side of the fixed cylinder (8), the top of the carrier plate (4) is provided with two supporting columns (10) in a welding mode, the tops of the supporting columns (10) are respectively provided with a fixed bearing (, the two fixed bearings (11) are respectively positioned at two ends of the rotating shaft (12), the rotating shaft (12) is welded in the rotating drum (13) in a penetrating manner, the outer side of the rotating drum (13) is sleeved with an adjusting drum (14), a plurality of sliding balls (101) are movably embedded into the top of the bottom plate (1), and the sliding balls (101) are tightly attached to the bottom of the carrier plate (4);

the carrier plate (4) comprises a piston column (401), a threaded ring (402), a threaded column (403), a rotating ring (404), a small bearing (405) and a positioning strip (406), two piston columns (401) are welded to the top of the carrier plate (4), the threaded ring (402) is welded to the top of each piston column (401) in an embedded mode, the middle of each threaded ring (402) is penetrated through by the threads of the corresponding threaded column (403), the threaded columns (403) are welded to the middle of the corresponding rotating ring (404) in a penetrating mode, the small bearings (405) are welded to the tops of the threaded columns (403) in an embedded mode, and the small bearings (405) are welded to the positioning strip (406) in an embedded mode.

2. The high-precision centerless grinding machine for connecting rod bushings and cammed bushings according to claim 1, characterized in that: the left side of the top surface of the positioning strip (406) is higher than the right side of the positioning strip, and the inclination angle of the top surface of the positioning strip (406) is 50-70 degrees.

3. The high-precision centerless grinding machine for connecting rod bushings and cammed bushings according to claim 1, characterized in that: the threaded columns (403) are all perpendicular to the carrier plate (4), and the threaded columns (403) are located between the grinding cylinder (9) and the adjusting cylinder (14).

4. The high-precision centerless grinding machine for connecting rod bushings and cammed bushings according to claim 1, characterized in that: the rotation directions of the grinding cylinder (9) and the adjusting cylinder (14) are different, the shapes and the sizes of the grinding cylinder (9) of the adjusting cylinder (14) are kept consistent, and the adjusting cylinder (14) rotates clockwise.

5. The high-precision centerless grinding machine for connecting rod bushings and cammed bushings according to claim 1, characterized in that: the central shaft (7) is positioned between the two bearings (6), and the rotating shaft (12) is positioned between the two fixed bearings (11).

6. The high-precision centerless grinding machine for connecting rod bushings and cammed bushings according to claim 1, characterized in that: the back of center pin (7) and axis of rotation (12) all is equipped with servo motor, and center pin (7) and axis of rotation (12) respectively with two servo motor's power take off end welding to two servo motor set up respectively through branch welding on support plate (4) and bottom plate (1).