CN-121989169-A - Grinding wheel dressing device for grinding mechanical parts

CN121989169ACN 121989169 ACN121989169 ACN 121989169ACN-121989169-A

Abstract

The invention discloses a grinding wheel dressing device for grinding mechanical parts, which consists of a repairing structure and a repairing auxiliary structure, wherein the repairing auxiliary structure is provided with a positioning clamp, a main and auxiliary gear transmission mechanism, an air pressure detection and positioning stalling component, a high-pressure air channel and a steel grit dressing unit, the repairing structure comprises a downlink driving component, a single-point diamond pen repairing component and a grinding fluid supply mechanism, the device realizes the cooperative actions of diamond pen feeding, adapting body-holding sealing, intermittent grinding fluid supply and continuous high-pressure air flow purging through single-power two-way synchronous output, and relies on an air pressure sensor to identify the locally blocked passivation area of a grinding wheel, so that the stopping operation is fast positioned and the targeted dressing is completed by utilizing steel grit, the steel grit can be recycled, two operation modes of the local dressing and the overall dressing of the grinding wheel can be realized, the material removal quantity of the grinding wheel is greatly reduced, the service life of the grinding wheel is prolonged, the structure is simple, the transmission is reliable, and the dressing efficiency is high.

Inventors

DUAN LEI
FAN SHIXING
ZHAO CHE
SHEN HAILIN
WANG QI
ZHANG WENYAO
ZHOU YUHAN
ZHANG XINLONG

Assignees

珠海市新泰机电有限公司

Dates

Publication Date: 20260508
Application Date: 20260408

Claims (9)

1. A wheel dressing apparatus for grinding machine parts, comprising: A repair structure (1); The repair auxiliary structure (2) is connected with the repair structure (1) through bolts on the upper surface; the method is characterized in that: The repair auxiliary structure (2) comprises a positioning clamp (232), wherein the positioning clamp (232) consists of a front end clamp and a shaft body in running fit with the clamp, a main gear (233) is in interference fit with the shaft body of the positioning clamp (232), the upper side and the lower side of the main gear (233) are respectively meshed with a second driven gear (235) and a first driven gear (234) for transmission, and a connecting electric push rod (2321) is arranged in the shaft body of the positioning clamp (232) at the upper side and the lower side far away from the shaft core; The shaft end of the first driven gear (234) is rigidly connected with a bidirectional reciprocating screw rod (2341) which is matched with a bearing and arranged in the assembly box (2344), two sliding seats (2342) are arranged on a rod body of the bidirectional reciprocating screw rod (2341) in a transmission way in an adapting way, the two sliding seats (2342) are respectively matched with connecting rods on opposite sides and rigidly connected with an inflating piston (2343), wherein the inflating pump (2345) is integrally arranged on the left side and the right side of the assembly box (2344), two one-way valves (2346) are arranged above the side surface of a tube of the inflating pump (2345), the one-way valves (2346) are communicated with a cleaning air passage (2251) arranged below the inner part of an adapting holding body (225) through a pipeline, a micro-concave groove (2255) is arranged between the adapting body (225) and a grinding wheel, internal threads of the hole groove of the trimming groove (2255) are respectively provided with a pressure relief valve (2253), ports of the inflating valve (2345) are arranged on the upper side of the hole groove of the inflating pump (2344), the pressure relief valve (3) are fixedly arranged on the side of the air flow sensor (2257) of the inflating pump, the sensor is connected with the air pressure sensor (2251), the sensor is arranged on one side of the air sensor (2251), and the sensor (2251) is connected with the air sensor (2251, a mouthpiece (2252) is arranged in the fitting body (225) so as to penetrate the groove wall of the trimming groove (2255) from the side of the air flow inputted from the cleaning air passage (2251).
2. The grinding wheel dressing device for grinding mechanical parts according to claim 1, wherein the repairing structure (1) further comprises a descending driving component (11), the descending driving component (11) is provided with a hydraulic jack, a transmission arm which is pulled up and down by the hydraulic jack, and a mounting table which is connected with the lower end of the transmission arm and is provided with guide sleeves, wherein the mounting table is matched with the guide sleeves at four corners to be in sliding fit with guide posts (12) which are arranged in a rectangular array, the center position of the lower surface of the mounting table is connected with a single-point diamond pen repairing component (13) through bolts, the lower surface of the mounting table is respectively connected with two driving toothed plates (111) and a grinding fluid spray head (112) through bolts on two sides of the single-point diamond pen repairing component (13), the hydraulic jack is connected with the upper end of the guide post (12), the single-point diamond pen repairing component (13) is provided with an electric push rod for height adjustment and a linear module for front-back adjustment, and the liquid spray end of the grinding fluid spray head (112) points to the position where the single-point diamond pen repairing component (13) contacts with the grinding wheel.
3. The grinding wheel dressing apparatus for grinding machine parts according to claim 1, wherein the repair auxiliary structure (2) further comprises a stand (21), an operation table (22) is configured on the upper surface of the stand (21) between the guide posts (12), a support frame (23) is connected to the upper surface of the stand (21) through bolts on the rear side of the operation table (22), the surface of the support frame (23) is connected with a driving motor (231) through bolts, a shaft of the driving motor (231) is matched with one end of a positioning clamp (232) in a transmission fit, a bearing seat configured on the surface of the positioning clamp (232) is matched with the support frame (23) in a connection, and the output end of the connecting electric push rod (2321) points to a jack preset on the front end clamp surface of the positioning clamp (232).
4. The grinding wheel dressing device for grinding machine parts according to claim 1, wherein the wheel shaft of the second driven gear (235) is in interference fit with the bearing seat inner ring arranged in the bearing frame (23), the wheel shaft of the second driven gear (235) passes through the bearing seat and is in interference fit with a cam (2351) at the shaft end, the upper side of the cam (2351) is always in movable contact with the lower end of a valve rod (2353), the valve rod (2353) is arranged in the grinding fluid supply pipe (2352) in a sealing manner, the lower end of the grinding fluid supply pipe (2352) is in forward tilting and reverse connection with the upper surface of the bearing frame (23), the upper end of the valve rod (2353) passes through a sealing valve seat (2356) arranged in the grinding fluid supply pipe (2352) in a whole and is in rigid connection with a conical valve (2354) in shape matched with the interior of the sealing valve seat (2356), the conical valve (2354) is in elastic connection with the sealing valve seat (2356) through a plurality of sealing springs (2355), the conical valve (2354) is in an initial state, the conical valve (2354) is in contact with the sealing valve seat (2356) in a sealing space, the grinding fluid is tightly attached to the sealing valve seat (2356) at the side surface of the grinding fluid supply pipe (2352), and the grinding fluid supply pipe is in a connecting port (2352) is in a sealing joint (56) is in a sealing joint.
5. The grinding wheel dressing apparatus for grinding machine parts according to claim 1, wherein the first driven gear (234) is configured in the operation table (22) in cooperation with a bearing, the assembly box (2344) is embedded in a groove preset in the operation table (22), the groove is protected by a detachable cover plate, and the two sliding seats (2342) are internally provided with transmission guide pins/shifting forks matched with thread grooves of the bidirectional reciprocating screw rod (2341) and are provided with anti-rotation structures.
6. A grinding wheel dressing device for grinding mechanical parts is characterized in that a soft contact wear-resistant sealing roller body (2256) in soft movable contact is arranged on the side, in contact with a grinding wheel, of an adaptive holding body (225), a wear-resistant sealing sleeve layer is arranged on the surface of the soft contact wear-resistant sealing roller body (2256), and a wear-resistant sealing cushion layer is also arranged at the transition position, in contact with the soft contact wear-resistant sealing roller body (2256), of a dressing groove (2255).
7. The grinding wheel dressing apparatus for grinding machine parts according to claim 1, wherein the housing bucket (2254) has a horn-shaped through hole with a wide upper part and a narrow lower part, and a small magnet for slightly adsorbing dressing materials such as steel grit is arranged in the housing bucket (2254), wherein the steel grit is pre-stored and adsorbed in the housing bucket (2254), and the magnetic force of the magnet is smaller than the air blowing force to the steel grit when the pressure is released by the pressure release valve (2253).
8. A grinding wheel dressing apparatus for grinding machine parts according to claim 1, wherein the interior of the adapter body (225) is provided with a waste blow-out outlet on the opposite side of the mouthpiece (2252), and a removable pocket is provided at the outlet.
9. A grinding wheel dressing apparatus for grinding machine parts according to claim 1, wherein the groove surface of the dressing groove (2255) is preferably provided as a slope inclined toward the direction of the mouthpiece (2252), the adapting holding body (225) is slidably disposed inside the operation table (22) in a groove preset at the front side of the assembly box (2344), and the lower surface of the adapting holding body (225) is elastically connected with the cavity slider (223) in the groove in cooperation with a plurality of pressing springs (224), the side surface of the cavity slider (223) close to the assembly box (2344) is rigidly connected with the mounting frame (222) linearly restrained inside the operation table (22) through a T-shaped rod, the mounting frame (222) is arranged on the rod body of the driving screw (221), and the driving screw (221) is movably arranged inside the operation table (22) under the cooperation of the bearing, and the upper end of the driving screw (221) is protruded upward from the operation table (22) and then is connected with the bevel gear box (2362) movably arranged inside the gear box (236), the bevel gear box (2362) is movably arranged inside the same as the one of the bevel gear box (2361) and the bevel gear box (2361) is movably arranged inside the gear box (236) and the bevel box (2361), and is engaged with the driving toothed plate (111).

Description

Grinding wheel dressing device for grinding mechanical parts Technical Field The invention relates to the technical field of machining, in particular to a grinding wheel dressing device for grinding mechanical parts. Background In the field of precision grinding processing of mechanical parts, a grinding wheel is a core tool for realizing efficient material removal and surface forming, the geometric precision, contour consistency and cutting sharpness of the grinding wheel directly determine the dimensional precision, form and position tolerance and surface quality of the parts, and along with the development of equipment manufacture to the directions of high precision, high efficiency and high consistency, the grinding wheel dressing device is used as key matching equipment for ensuring the performance of the grinding wheel in a grinding system from general mechanical parts to key precision components such as aerospace, automobiles and molds, and the like, and continuously maintains the ideal working state of the grinding wheel through precise shaping and dressing operation, adapts to various grinding process requirements such as plane grinding, external circle grinding, centerless grinding, forming grinding and the like, provides stable and reliable process support for the large-scale and precise grinding processing of various mechanical parts, and is an indispensable component part of modern precise grinding production lines and high-end grinding machines. However, when the existing grinding wheel dressing device locally dulls or blocks the grinding wheel, the dulled area cannot be independently dressed, the grinding wheel can be wholly dressed all the time, a large amount of grinding wheel materials are required to be removed for each dressing, the total removal amount of the grinding wheel is large, and the problem of material waste is remarkable. For this purpose, a grinding wheel dressing device for grinding machine parts is proposed. Disclosure of Invention The invention aims to provide a grinding wheel dressing device for grinding mechanical parts, which aims to solve the problem that the grinding wheel dressing device provided in the background art cannot carry out local dressing on a grinding wheel. In order to achieve the above purpose, the invention provides a grinding wheel dressing device for grinding mechanical parts, comprising: repairing the structure; the repair auxiliary structure is connected with the repair structure through bolts on the upper surface; The repair auxiliary structure comprises a positioning fixture, wherein the positioning fixture consists of a front end fixture and a shaft body in running fit with the fixture, a main gear is in interference fit on the shaft body of the positioning fixture, the upper side and the lower side of the main gear are respectively engaged with a second driven gear and a first driven gear for transmission, and an electric push rod is connected in the shaft body of the positioning fixture at the upper side and the lower side far away from the shaft core; The shaft end of the first driven gear is rigidly connected with a bidirectional reciprocating screw rod which is matched with a bearing and arranged in the assembly box, two sliding seats are arranged on a rod body of the bidirectional reciprocating screw rod in a transmission way in an adapting way, two sliding seats are respectively matched with a connecting rod and an inflating piston to be rigidly connected on opposite side surfaces, wherein the inflating cylinder is integrally arranged on the left side and the right side of the assembly box, two one-way valves are arranged above the side surfaces of an inflating tube, the one-way valves for air outlet are communicated with a cleaning air passage arranged below the inner part of an adaptation holding body through pipelines, a trimming groove is arranged between the adaptation holding body and a grinding wheel in a micro-concave way, pressure release ports of the pressure release valves are fixedly arranged on the upper sides of the hole grooves where the pressure release ports are arranged in an embedding way, an air pressure sensor is arranged in a hidden embedding way in the groove wall close to one side of the cleaning air passage input air flow, the air sensor is electrically connected with a control module connected with the electric push rod, and an air passage is arranged in the inner part of the adaptation holding body from one side of the cleaning air flow input flow to the groove. Preferably, the repair structure further comprises a downlink driving assembly, the downlink driving assembly is provided with a hydraulic ram, a transmission arm which is pulled up and down by the hydraulic ram, and an installation table which is connected with the lower end of the transmission arm and provided with guide sleeves, wherein the installation table is matched with the guide sleeves at four corners to be in sliding fit with guide posts arran