CN112476068A - Manufacturing and processing technology of engine camshaft - Google Patents
Manufacturing and processing technology of engine camshaft Download PDFInfo
- Publication number
- CN112476068A CN112476068A CN202011355054.1A CN202011355054A CN112476068A CN 112476068 A CN112476068 A CN 112476068A CN 202011355054 A CN202011355054 A CN 202011355054A CN 112476068 A CN112476068 A CN 112476068A
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- Prior art keywords
- disc
- camshaft
- polishing
- clamping
- manufacturing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
- B24B19/12—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding cams or camshafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
Abstract
The invention provides a manufacturing and processing technology of an engine camshaft, which comprises a pushing mechanism, a polishing mechanism, a clamping mechanism, a lifting mechanism and a main beam vertical plate frame, wherein the pushing mechanism is installed on the main beam vertical plate frame; the invention solves the problems that the general factory mostly adopts a manual mode to polish, so that the operation difficulty is high, the polishing efficiency is low, the polishing precision is not high, burrs are easily caused, the whole mechanical system cannot normally work due to the existence of the burrs, the reliability and the stability are reduced, and the product quality is influenced.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a manufacturing and processing technology of an engine camshaft.
Background
The automobile camshaft is an important part in an engine and is used for controlling the opening and closing actions of the valve; the main body of the camshaft is a cylindrical rod body with the length similar to that of the cylinder group, and a plurality of cams are sleeved on the main body of the camshaft and used for driving the valves; the camshaft is usually forged by high-quality carbon steel or alloy steel, and can also be cast by alloy cast iron or nodular cast iron;
the camshaft needs to bear periodic impact load, so that the working surface of the camshaft can meet the use requirement only by having higher dimensional accuracy and smaller surface roughness, and polishing is an important step in the production process of the camshaft; at present, a common factory mostly adopts a manual mode for polishing, due to the limitation of manual operation, the operation difficulty is large, the polishing efficiency is low, the polishing precision is not high, burrs are easily caused, and the existence of the burrs can cause that the whole mechanical system can not work normally, so that the reliability and the stability are reduced, and the product quality is influenced; therefore, the invention provides a manufacturing and machining process of an engine camshaft.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the manufacturing and processing technology of the engine camshaft uses manufacturing and processing equipment of the engine camshaft, the manufacturing and processing equipment comprises a pushing mechanism, a polishing mechanism, a clamping mechanism, a lifting mechanism and a main beam vertical plate frame, and the specific method for polishing the steam engine camshaft by adopting the manufacturing and processing equipment comprises the following steps:
s1, positioning and placing of the camshaft: placing a camshaft to be polished on a lifting mechanism through a special clamp;
s2, lifting, clamping and fixing: the camshaft is lifted upwards and moved to a clamping position through the lifting mechanism, and then shaft ends on two sides of the camshaft are clamped and fixed through the clamping mechanism;
s3, abutting and polishing: the pushing mechanism drives the polishing mechanism to abut against the surface of the clamped camshaft in the step S2, and the clamping mechanism drives the camshaft to rotate to perform polishing operation of the camshaft;
s4, collection and check: carrying out supporting connection collection through a supporting mechanism, and then checking the polishing appearance condition of the camshaft through field workers;
the main beam vertical plate frame is provided with a pushing mechanism, a polishing mechanism is arranged right below the pushing mechanism, the polishing mechanisms are symmetrically arranged on the outer wall of the main beam vertical plate frame, the polishing mechanisms are mutually connected with the pushing mechanism in a rolling mode, a clamping mechanism is arranged right below the polishing mechanisms, the clamping mechanisms are symmetrically arranged on the outer wall of the main beam vertical plate frame, a lifting mechanism is arranged right below the clamping mechanism, and the lifting mechanism is arranged on the bottom end face of the main beam vertical plate frame;
the polishing mechanism comprises a C-shaped support, a sliding rod, a first compression spring, a rotating shaft support, a pulley, a bottom plate and a polishing unit; the C-shaped support is installed on the outer wall of the main beam vertical plate frame, a sliding rod is arranged on the C-shaped support in a sliding fit mode, a first compression spring is arranged on the outer ring of the top shaft end of the sliding rod, the top shaft end of the first compression spring is abutted to the rotating shaft support, the rotating shaft support is installed on the top shaft end of the sliding rod, a pulley is arranged on the rotating shaft support through a bearing and is abutted to a pushing mechanism in a rolling mode, the bottom plate is installed on the bottom shaft end of the sliding rod, and a plurality of groups of polishing units which are linearly distributed along the length direction of the bottom plate are arranged on the bottom plate; bulldoze the pulley through propping a position touch panel, make the pivot support push away to the slide bar and descend along the direction of C type support, and a compression spring supports all the time and pushes away the pivot support, makes the pulley and the position touch panel in close contact with that supports, and rethread bottom plate bulldozes the unit of polishing and polishes with camshaft in close contact with.
The polishing unit comprises a pressure lever, a second compression spring, a pressure sleeve and a polishing stone; the pressing rod is arranged on the bottom plate, a second compression spring is arranged on the outer ring of the pressing rod, the bottom shaft end of the second compression spring is abutted against the pressing sleeve, the pressing sleeve is arranged on the pressing rod in a sliding fit mode, and the grinding stone is arranged on the bottom shaft end of the pressing sleeve in a spiral fit mode; the second compression spring always supports against the pressing sleeve, so that the grinding stone is in close contact with the camshaft, and the pressing rod guides the lifting movement of the pressing sleeve.
Preferably, the clamping mechanism comprises a stand, a clamping unit and a motor; the upright frame is symmetrically arranged on the outer wall of the main beam upright frame, the clamping units are arranged on the inner wall of the upright frame through bearings, the motor is arranged on the outer wall of the outer side upright frame through a motor base, and the output shaft of the motor is mutually connected with the clamping units on the outer side upright frame through a coupler;
the clamping unit comprises a rotary disc, a circular disc, an execution cylinder, a spur rack, a gear shaft disc and a clamping jaw; the rotary disc is arranged on the inner side end face of the vertical frame through a bearing, a disc is arranged at the shaft end of the rotary disc, an execution cylinder is arranged on the inner wall of the disc through a cylinder block, an output shaft of the execution cylinder is connected with a straight rack through a coupler, the straight rack is arranged on the inner wall of the disc in a sliding fit mode, the straight rack is connected with a gear shaft disc in a meshing pushing mode, the gear shaft disc is arranged at the center of the disc through a bearing, and arc-shaped waist holes are uniformly formed in the gear shaft disc along the circumferential direction of the gear shaft disc; the disc is provided with a plurality of clamping jaws which are annularly distributed along the circumferential direction of the disc in a sliding fit mode, and the clamping jaws are connected with the gear shaft disc in a sliding mode through the cam follower; the gear shaft disc is driven to rotate by the actuating cylinder to drive the spur rack to be meshed with the pushing gear, the arc-shaped waist holes are uniformly formed in the gear shaft disc to synchronously slide and adjust the distance displacement of the clamping jaws on the disc, the clamping and fixing requirements are met, and the rotary disc is driven by the motor to rotate.
Preferably, the lifting mechanism comprises an L-shaped main bracket, a rotating rod, a hand wheel, a straight gear, a rack column, a lifting plate and a supporting block; the L-shaped main supports are bilaterally symmetrically arranged on the bottom end face of the main beam vertical plate frame, a rotating rod is arranged between the two L-shaped main supports through a bearing, hand wheels are arranged at the shaft ends of two sides of the rotating rod, a straight gear is arranged on the inner side of the hand wheel, the straight gear is symmetrically arranged on the outer ring of the rotating rod and is positioned inside the L-shaped main supports, the straight gear is connected with a rack column in a meshing rotation mode, the rack column is arranged on the L-shaped main supports in a sliding fit mode, a lifting plate is arranged at the shaft end of the top of the rack column, a plurality of supporting blocks which are linearly distributed along the length direction of the supporting blocks are arranged on the lifting plate, and supporting openings of the supporting blocks are designed in a V-shaped structure; the rotating rod is rotated by shaking the hand wheel, so that the straight gear is meshed to push the rack column to push the supporting and lifting plate to rise, and then the supporting block designed by the V-shaped structure can support and connect cam shafts with different diameters.
Preferably, the pushing mechanism comprises a guide rod, a pushing cylinder, a straight plate and a butting contact plate; the guide rods are symmetrically arranged on the girder vertical plate frame in a sliding fit mode, the pushing cylinder is arranged between the two guide rods, the pushing cylinder is arranged on the outer wall of the girder vertical plate frame through a cylinder seat, the output shaft end of the pushing cylinder is connected with the straight plate through a coupler, the straight plate is arranged on the shaft end of the guide rod, and the abutting touch plates are symmetrically arranged on the bottom wall of the straight plate; the straight plate is driven to move outwards through the pushing cylinder, the guide rod is used for guiding the horizontal movement of the straight plate, and the abutting contact plate abuts against the polishing mechanism to move downwards.
Preferably, the C-shaped support is provided with a guide waist hole, the C-shaped support is provided with the guide waist hole, the vertical guide sliding rod can be conveniently lifted and moved, the grinding stone is horizontally aligned with the end face of the raised outer ring of the cam shaft, and the grinding quality is effectively improved.
Preferably, the pressing sleeve is provided with a waist-shaped through hole, the pressing sleeve is provided with the waist-shaped through hole, the straight-line ascending motion track of the pressing sleeve is convenient to guide, the pressing sleeve is enabled to slide and abut against the end face of the raised outer ring of the camshaft in a self-adaptive manner, the grinding stone is enabled to be attached to the camshaft in a follow-up manner, and the grinding quality is improved.
Preferably, the bottom terminal surface that supports the position touch panel is from high to low slope design, will the bottom terminal surface that supports the position touch panel is established to the design from high to low slope, and the pulley of being convenient for supports the inclined end face that positions the touch panel through the roll mode butt to realize the lift of high distance, satisfy the regulation demand that highly goes up and down through the change of supporting position touch panel lower extreme face inclination.
The invention has the beneficial effects that:
according to the invention, the second compression spring always supports against the pressing sleeve, so that the polishing stone is in close contact with the camshaft to carry out fine polishing treatment, the pressing sleeve is in self-adaptive sliding butt joint according to the end face of the convex outer ring of the camshaft by guiding the lifting movement of the pressing sleeve through the pressing rod, the burr problem after forming is effectively removed, the fine polishing and close fitting are realized, the polishing quality and efficiency are improved, the polishing stone is in a detachable design, the damaged polishing stone is conveniently and timely replaced, and the polishing quality and efficiency are ensured.
The supporting opening of the supporting block is designed into a V-shaped structure, so that the camshafts with different diameters can be conveniently supported, in order to position and support and connect the camshafts with different diameters, the supporting part is designed into a variable V-shaped structure, the movable range is enlarged through the design of the V-shaped structure, the positioning and supporting are carried out by matching with the diameter size of the turbine shaft, and the subsequent positioning and clamping of the camshaft are facilitated.
The arc-shaped waist holes uniformly formed in the gear shaft disc can synchronously slide to control the jaw to move and adjust outward expansion and inward contraction, and the clamping and fixing requirements of turbine shafts with different diameters are met.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic illustration of an engine camshaft manufacturing process of the present invention;
FIG. 2 is a schematic view of the left side perspective of the home position of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a schematic representation of the right-side perspective of the home position of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 4;
FIG. 6 is an enlarged view of a portion of the invention at C of FIG. 4;
FIG. 7 is an enlarged view of a portion of the invention at D in FIG. 4;
FIG. 8 is a perspective view of the present invention in a rear-view position;
fig. 9 is a partial enlarged view of the invention at E in fig. 8.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
As shown in fig. 1 to 9, an engine camshaft manufacturing and processing process uses an engine camshaft manufacturing and processing device, the manufacturing and processing device includes a pushing mechanism 1, a polishing mechanism 2, a clamping mechanism 3, a lifting mechanism 4 and a main beam riser frame 5, and a specific method for polishing an engine camshaft by using the manufacturing and processing device is as follows:
s1, positioning and placing of the camshaft: the camshaft to be polished is placed on the lifting mechanism 4 through a special clamp;
s2, lifting, clamping and fixing: the camshaft is lifted upwards and moved to a clamping position through the lifting mechanism 4, and then the shaft ends at two sides of the camshaft are clamped and fixed through the clamping mechanism 3;
s3, abutting and polishing: the pushing mechanism 1 drives the polishing mechanism 2 to abut against the surface of the clamped camshaft in the S2, and the clamping mechanism 3 drives the camshaft to rotate to perform polishing operation of the camshaft;
s4, collection and check: carrying out supporting connection collection through a supporting mechanism 4, and then checking the polishing appearance condition of the camshaft through field workers;
the grinding device is characterized in that a pushing mechanism 1 is installed on the girder erection plate frame 5, a grinding mechanism 2 is arranged right below the pushing mechanism 1, the grinding mechanisms 2 are symmetrically installed on the outer wall of the girder erection plate frame 5, the grinding mechanisms 2 are connected with the pushing mechanism 1 in a rolling mode, a clamping mechanism 3 is arranged right below the grinding mechanism 2, the clamping mechanism 3 is symmetrically installed on the outer wall of the girder erection plate frame 5, a lifting mechanism 4 is arranged right below the clamping mechanism 3, and the lifting mechanism 4 is installed on the bottom end face of the girder erection plate frame 5;
the lifting mechanism 4 comprises an L-shaped main bracket 40, a rotating rod 41, a hand wheel 42, a straight gear 43, a rack column 44, a lifting plate 45 and a supporting block 46; the L-shaped main supports 40 are symmetrically arranged on the bottom end face of the main beam vertical plate frame 5 from left to right, a rotating rod 41 is arranged between the two L-shaped main supports 40 through a bearing, hand wheels 42 are arranged at the shaft ends of two sides of the rotating rod 41, a straight gear 43 is arranged on the inner side of each hand wheel 42, the straight gears 43 are symmetrically arranged on the outer ring of the rotating rod 41, each straight gear 43 is located inside each L-shaped main support 40, each straight gear 43 is connected with a rack column 44 in a meshing rotation mode, each rack column 44 is arranged on each L-shaped main support 40 in a sliding fit mode, a supporting and lifting plate 45 is arranged at the shaft end of the top of each rack column 44, a plurality of supporting blocks 46 which are linearly distributed along the length direction of each supporting block 45 are arranged, and supporting and releasing ports of the supporting blocks 46 are designed in a V-shaped structure; the rotating rod 41 is rotated by swinging the hand wheel 42, the straight gear 43 is meshed with the pushing rack column 44 to push the lifting plate 45 to ascend, and then the cam shafts with different diameters can be supported by the supporting block 46 designed in a V-shaped structure.
The clamping mechanism 3 comprises a stand 30, a clamping unit 31 and a motor 32; the upright frame 30 is symmetrically arranged on the outer wall of the main beam upright frame 5, the clamping units 31 are arranged on the inner wall of the upright frame 30 through bearings, the motor 32 is arranged on the outer wall of the outer side upright frame 30 through a motor base, and the output shaft of the motor 32 is connected with the clamping units 31 on the outer side upright frame 30 through a coupler;
the clamping unit 31 comprises a rotary disc 311, a circular disc 312, an actuating cylinder 313, a spur rack 314, a gear shaft disc 315 and a clamping jaw 316; the rotary disc 311 is mounted on the inner side end surface of the vertical frame 30 through a bearing, a disc 312 is mounted at the shaft end of the rotary disc 311, an execution cylinder 313 is mounted on the inner wall of the disc 312 through a cylinder block, the output shaft of the execution cylinder 313 is connected with a spur rack 314 through a coupler, the spur rack 314 is mounted on the inner wall of the disc 312 in a sliding fit manner, the spur rack 314 is connected with a gear shaft disc 315 in a meshing pushing manner, the gear shaft disc 315 is mounted at the center of the disc 312 through a bearing, and arc-shaped kidney holes are uniformly formed in the gear shaft disc 315 along the circumferential direction; a plurality of clamping jaws 316 which are distributed annularly along the circumferential direction of the disc 312 are arranged on the disc in a sliding fit mode, and the clamping jaws 316 are connected with a gear shaft disc 315 in a sliding mode through a cam follower; an execution cylinder 313 drives a spur rack 314 to be meshed with a pushing gear shaft disc 315 to rotate, arc-shaped waist holes are uniformly formed in the gear shaft disc 315 to synchronously slide and adjust the distance displacement of the clamping jaws 316 on the circular disc 312, the clamping and fixing requirements are met, and then the motor 32 drives the rotating disc 311 to rotate.
The pushing mechanism 1 comprises a guide rod 10, a pushing cylinder 11, a straight plate 12 and an abutting contact plate 13; the guide rods 10 are symmetrically arranged on the girder vertical plate frame 5 in a sliding fit mode, the pushing cylinder 11 is arranged between the two guide rods 10, the pushing cylinder 11 is arranged on the outer wall of the girder vertical plate frame 5 through a cylinder seat, the output shaft end of the pushing cylinder 11 is connected with the straight plate 12 through a coupler, the straight plate 12 is arranged at the shaft end of the guide rod 10, the abutting contact plates 13 are symmetrically arranged on the bottom walls of the straight plates 12, the bottom end surfaces of the abutting contact plates 13 are designed to be inclined from high to low, the pulleys 24 are abutted to the inclined end surfaces of the abutting contact plates 13 in a rolling mode, so that the height distance is increased and decreased, and the adjustment requirement of height increase and decrease is met through the change of the inclined angle of the lower end surfaces of the abutting contact plates 13; the straight plate 12 is driven to move outwards by the pushing cylinder 11, the guide rod 10 is used for guiding the horizontal movement of the straight plate 12, and the abutting contact plate 13 abuts against the grinding mechanism 2 to move downwards.
The grinding mechanism 2 comprises a C-shaped bracket 20, a sliding rod 21, a first compression spring 22, a rotating shaft bracket 23, a pulley 24, a bottom plate 25 and a grinding unit 26; the C-shaped support 20 is arranged on the outer wall of the main beam vertical plate frame 5, the C-shaped support 20 is provided with a guide waist hole, the C-shaped support 20 is provided with the guide waist hole, so that the C-shaped support is convenient to vertically guide the lifting movement of the sliding rod 21, the polishing stone 264 is horizontally aligned with the end face of the raised outer ring of the camshaft, and the polishing quality is effectively improved; the C-shaped support 20 is provided with a sliding rod 21 in a sliding fit mode, the outer ring of the top shaft end of the sliding rod 21 is provided with a first compression spring 22, the top shaft end of the first compression spring 22 is abutted against a rotating shaft support 23, the rotating shaft support 23 is installed on the top shaft end of the sliding rod 21, a pulley 24 is arranged on the rotating shaft support 23 through a bearing, the pulley 24 is abutted against the abutting contact plate 13 in a rolling mode, the bottom plate 25 is installed on the bottom shaft end of the sliding rod 21, and a plurality of groups of polishing units 26 which are linearly distributed along the length direction of the bottom plate 25 are arranged on the bottom plate 25; the pulley 24 is pushed by the abutting contact plate 13, the rotating shaft support 23 pushes the sliding rod 21 to descend along the guide direction of the C-shaped support 20, the first compression spring 22 always pushes the rotating shaft support 23, the pulley 24 is in close contact with the abutting contact plate 13, and then the polishing unit 26 is pushed by the bottom plate 25 to be in close contact with the camshaft for polishing.
The grinding unit 26 comprises a pressing rod 261, a second compression spring 262, a pressing sleeve 263 and a grinding stone 264; the pressing rod 261 is installed on the bottom plate 25, the second compression spring 262 is arranged on the outer ring of the pressing rod 261, the bottom shaft end of the second compression spring 262 is abutted to the pressing sleeve 263, the pressing sleeve 263 is installed on the pressing rod 261 in a sliding fit mode, a waist-shaped through hole is formed in the pressing sleeve 263, and the pressing sleeve 263 is provided with the waist-shaped through hole so as to guide the straight-line ascending motion track of the pressing sleeve 263, so that the pressing sleeve 263 is abutted in a self-adaptive sliding mode according to the end face of the convex outer ring of the camshaft, the follow-up close grinding of the grinding stone 264 and the camshaft is ensured, and the grinding quality is improved; a grinding stone 264 is arranged at the bottom shaft end of the pressing sleeve 263 in a spiral matching mode; the second compression spring 262 always pushes the pressing sleeve 263, so that the grinding stone 264 is tightly contacted with the camshaft, and the pressing rod 261 guides the lifting movement of the pressing sleeve 263.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an engine camshaft manufacturing and processing technology, its has used engine camshaft manufacturing and processing equipment, and this manufacturing and processing equipment includes pushing mechanism (1), grinding machanism (2), fixture (3), lifts mechanism (4) and girder riser frame (5), its characterized in that: the specific method for polishing the camshaft of the steam engine by adopting the manufacturing and processing equipment comprises the following steps:
s1, positioning and placing of the camshaft: the camshaft to be polished is placed on the lifting mechanism (4) through a special clamp;
s2, lifting, clamping and fixing: the camshaft is lifted upwards and moved to a clamping position through the lifting mechanism (4), and then shaft ends on two sides of the camshaft are clamped and fixed through the clamping mechanism (3);
s3, abutting and polishing: the pushing mechanism (1) drives the polishing mechanism (2) to abut against the surface of the clamped camshaft in the S2, and the clamping mechanism (3) drives the camshaft to rotate to perform polishing operation of the camshaft;
s4, collection and check: carrying out supporting connection collection through a supporting mechanism (4), and then checking the polishing appearance condition of the camshaft through field workers;
the main beam vertical plate frame (5) is provided with a pushing mechanism (1), a polishing mechanism (2) is arranged under the pushing mechanism (1), the polishing mechanism (2) is symmetrically arranged on the outer wall of the main beam vertical plate frame (5), the polishing mechanism (2) is connected with the pushing mechanism (1) in a rolling mode, a clamping mechanism (3) is arranged under the polishing mechanism (2), the clamping mechanism (3) is symmetrically arranged on the outer wall of the main beam vertical plate frame (5), a lifting mechanism (4) is arranged under the clamping mechanism (3), and the lifting mechanism (4) is arranged on the bottom end face of the main beam vertical plate frame (5);
the polishing mechanism (2) comprises a C-shaped support (20), a sliding rod (21), a first compression spring (22), a rotating shaft support (23), a pulley (24), a bottom plate (25) and a polishing unit (26); the C-shaped support (20) is installed on the outer wall of the main beam vertical plate frame (5), a sliding rod (21) is arranged on the C-shaped support (20) in a sliding fit mode, a first compression spring (22) is arranged on the outer ring of the top shaft end of the sliding rod (21), the top shaft end of the first compression spring (22) is abutted to a rotating shaft support (23), the rotating shaft support (23) is installed on the top shaft end of the sliding rod (21), a pulley (24) is arranged on the rotating shaft support (23) through a bearing, the pulley (24) is abutted to a pushing mechanism (1) in a rolling mode, a bottom plate (25) is installed on the bottom shaft end of the sliding rod (21), and a plurality of polishing units (26) which are linearly distributed along the length direction of the bottom plate (25) are arranged on the bottom plate;
the grinding unit (26) comprises a pressing rod (261), a second compression spring (262), a pressing sleeve (263) and a grinding stone (264); depression bar (261) install on bottom plate (25), the outer lane that is located depression bar (261) is provided with compression spring No. two (262), the bottom axle head and the pressure cover (263) of compression spring No. two (262) butt each other, pressure cover (263) install on depression bar (261) through sliding fit, the bottom axle head that is located pressure cover (263) installs grinding stone (264) through spiral fit.
2. The manufacturing and processing technology of the engine camshaft according to claim 1, characterized in that: the clamping mechanism (3) comprises a stand (30), a clamping unit (31) and a motor (32); the upright frame (30) is symmetrically arranged on the outer wall of the main beam upright frame (5), the clamping units (31) are arranged on the inner wall of the upright frame (30) through bearings, the motor (32) is arranged on the outer wall of the outer side upright frame (30) through a motor base, and the output shaft of the motor (32) is connected with the clamping units (31) on the outer side upright frame (30) through a coupler;
the clamping unit (31) comprises a rotary disc (311), a circular disc (312), an execution cylinder (313), a spur rack (314), a gear shaft disc (315) and a clamping jaw (316); the rotary disc (311) is mounted on the inner side end face of the vertical frame (30) through a bearing, a disc (312) is mounted at the shaft end of the rotary disc (311), an execution cylinder (313) is mounted on the inner wall of the disc (312) through a cylinder seat, an output shaft of the execution cylinder (313) is connected with a spur rack (314) through a coupler, the spur rack (314) is mounted on the inner wall of the disc (312) in a sliding fit mode, the spur rack (314) is connected with a gear shaft disc (315) in a meshing pushing mode, the gear shaft disc (315) is mounted in the center of the disc (312) through a bearing, and arc-shaped waist holes are uniformly formed in the gear shaft disc (315) in the circumferential direction of the gear shaft disc; a plurality of clamping jaws (316) which are distributed annularly along the circumferential direction of the disc (312) are arranged on the disc in a sliding fit mode, and the clamping jaws (316) are connected with a gear shaft disc (315) in a sliding mode through cam followers.
3. The manufacturing and processing technology of the engine camshaft according to claim 1, characterized in that: the lifting mechanism (4) comprises an L-shaped main bracket (40), a rotating rod (41), a hand wheel (42), a straight gear (43), a rack column (44), a lifting plate (45) and a supporting block (46); l type main support (40) bilateral symmetry install on the bottom terminal surface of girder riser frame (5), two L type main support (40) between be provided with bull stick (41) through the bearing, hand wheel (42) are installed to the both sides axle head of bull stick (41), the inboard that is located hand wheel (42) is provided with straight-teeth gear (43), straight-teeth gear (43) symmetrical install on the outer lane of bull stick (41), and straight-teeth gear (43) are located the inside of L type main support (40), straight-teeth gear (43) through meshing rotation mode and rack post (44) interconnect, rack post (44) install on L type main support (40) through sliding fit mode, top axle head that is located rack post (44) installs support lifting plate (45), support lifting plate (45) on be provided with a plurality of tray blocks (46) that are linear distribution along its length direction, the supporting and releasing port of the supporting block (46) is designed to be of a V-shaped structure.
4. The manufacturing and processing technology of the engine camshaft according to claim 1, characterized in that: the pushing mechanism (1) comprises a guide rod (10), a pushing cylinder (11), a straight plate (12) and a butting contact plate (13); guide arm (10) through the installation of sliding fit mode symmetry on girder grillage (5), two guide arm (10) between be provided with and push away and put cylinder (11), push away and put cylinder (11) and install on the outer wall of girder grillage (5) through the cylinder block, and the output axle head that pushes away and put cylinder (11) passes through shaft coupling and straight board (12) interconnect, straight board (12) install on the axle head of guide arm (10), lie in on straight board (12) diapire the symmetry and install and support position touch panel (13).
5. The manufacturing and processing technology of the engine camshaft according to claim 1, characterized in that: the C-shaped bracket (20) is provided with a guide waist hole.
6. The manufacturing and processing technology of the engine camshaft according to claim 1, characterized in that: the pressing sleeve (263) is provided with a waist-shaped through hole.
7. The manufacturing and processing technology of the engine camshaft according to claim 4, characterized in that: the bottom end face of the abutting contact plate (13) is designed to be inclined from high to low.
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| CN202011355054.1A CN112476068A (en) | 2020-11-26 | 2020-11-26 | Manufacturing and processing technology of engine camshaft |
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| CN202011355054.1A CN112476068A (en) | 2020-11-26 | 2020-11-26 | Manufacturing and processing technology of engine camshaft |
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| CN112476068A true CN112476068A (en) | 2021-03-12 |
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| CN202011355054.1A Withdrawn CN112476068A (en) | 2020-11-26 | 2020-11-26 | Manufacturing and processing technology of engine camshaft |
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| CN (1) | CN112476068A (en) |
Cited By (3)
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| CN113070748A (en) * | 2021-03-31 | 2021-07-06 | 闵晨 | Surface treatment system for manufacturing environment-friendly glass fiber reinforced plastic septic tank |
| CN113858344A (en) * | 2021-09-01 | 2021-12-31 | 杭州电子科技大学 | Handle processing device for sun-shaped straight racket |
| CN115351674A (en) * | 2022-08-02 | 2022-11-18 | 东风本田汽车零部件有限公司 | Camshaft cleaning and grinding machine |
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| CN115351674A (en) * | 2022-08-02 | 2022-11-18 | 东风本田汽车零部件有限公司 | Camshaft cleaning and grinding machine |
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Application publication date: 20210312 |