CN113561032B - Polishing process for production and processing of brake camshaft - Google Patents
Polishing process for production and processing of brake camshaft Download PDFInfo
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- CN113561032B CN113561032B CN202110665536.5A CN202110665536A CN113561032B CN 113561032 B CN113561032 B CN 113561032B CN 202110665536 A CN202110665536 A CN 202110665536A CN 113561032 B CN113561032 B CN 113561032B
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- 238000007517 polishing process Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000005498 polishing Methods 0.000 claims abstract description 174
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 4
- 244000309464 bull Species 0.000 claims 3
- 244000137852 Petrea volubilis Species 0.000 description 49
- 238000003825 pressing Methods 0.000 description 19
- 230000005484 gravity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
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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
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
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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
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a polishing process for producing and processing a brake camshaft, belonging to the technical field of camshaft polishing, and the process comprises the following steps: the method comprises the following steps: a worker manually places the camshaft on the polishing mechanism; step two: the polishing mechanism is driven to polish the camshaft; step three: after polishing, the polishing mechanism returns to the initial position, and then a worker can take down the camshaft to complete the processing of the camshaft; the invention can make the polishing process of the camshaft more convenient and simpler, and can greatly improve the processing efficiency of the camshaft.
Description
Technical Field
The invention relates to the technical field of camshaft polishing, in particular to a polishing process for production and processing of a brake camshaft.
Background
The camshaft is a component in the piston engine and is used for controlling the opening and closing actions of the valve, the camshaft is used as an important part of the engine, the requirement on the machining precision is high, the transmission efficiency of the engine is directly related, the matching surface of the kinematic pair in the machining process is required to have low roughness so as to reduce friction loss, and polishing treatment is needed.
Prior art is polishing the camshaft, because there are the recess that a plurality of degree of depth differ on the camshaft outer wall, abrasive paper can't laminate with the outer wall of whole camshaft, so need design dedicated device could light polish the camshaft, and when not using special abrasive paper to polish, recess wall can hinder abrasive paper to remove when abrasive paper removes on the camshaft outer wall, need the staff to shift out the recess with abrasive paper, need the frequent operation of staff, can greatly reduced camshaft machining efficiency.
Based on the above, the invention designs a polishing process for the production and processing of the brake camshaft to solve the above problems.
Disclosure of Invention
The invention aims to provide a polishing process for production and processing of a brake camshaft, and the polishing process is used for solving the problems that when the camshaft is polished in the prior art provided by the background art, due to the fact that a plurality of grooves with different depths are formed in the outer wall of the camshaft, abrasive paper cannot be attached to the outer wall of the whole camshaft, a special device needs to be designed to polish the camshaft easily, when special abrasive paper is not used for polishing, the groove walls block the movement of the abrasive paper when the abrasive paper moves on the outer wall of the camshaft, and the abrasive paper needs to be moved out of the grooves by workers, needs to be operated frequently by the workers, and can greatly reduce the processing efficiency of the camshaft.
In order to achieve the purpose, the invention provides the following technical scheme: a polishing process for the production and processing of a brake camshaft comprises the following steps:
the method comprises the following steps: a worker manually places the camshaft on the polishing mechanism;
step two: the polishing mechanism is driven to polish the camshaft;
step three: after polishing, the polishing mechanism returns to the initial position, and then a worker can take down the camshaft to complete the processing of the camshaft;
the polishing mechanism comprises a bottom plate, a first sliding groove is formed in the top surface of the bottom plate, two first mounting plates which are symmetrically arranged in the left-right direction are connected in the first sliding groove in a sliding mode, a bidirectional threaded rod is connected in the first sliding groove in a rotating mode, the two first mounting plates are respectively in threaded connection with the left end and the right end of the bidirectional threaded rod, a first motor is fixedly connected onto the side wall of the bottom plate, the output shaft of the first motor is fixedly connected with the bidirectional threaded rod, supporting plates are symmetrically and fixedly connected onto the inner side walls of the two first mounting plates, ejector rods which are rotatably connected onto the inner side walls of the first mounting plates are arranged above the supporting plates, a cam shaft is jointly placed on the top surfaces of the two supporting plates, a second motor is fixedly connected onto the right side wall of the first mounting plate on the right side, the output shaft of the second motor is fixedly connected with the ejector rods on the right side, polishing sand paper is arranged above the ejector rods on the right side, and a driving mechanism is arranged on the side edge of the first mounting plate on the right side;
the driving mechanism comprises an L-shaped mounting plate which is fixedly connected with the top of the bottom plate, the top of the right left wall of the L-shaped mounting plate is fixedly connected with an air cylinder and a telescopic supporting rod, the left ends of the air cylinder and the telescopic supporting rod are fixedly connected with a C-shaped mounting plate together, the left side wall of the C-shaped mounting plate is connected with a first sliding plate in a sliding way in the vertical direction, the first sliding plate is positioned at the rear side of the cam shaft, and the front end and the rear end of the left side wall of the first sliding plate are respectively and rotatably connected with a driving roller, the polishing abrasive paper is connected on the outer walls of the two driving rollers in a driving way, the bottom of the first sliding plate is connected with an L-shaped sliding rod in a sliding way in the left-right direction, the front end of the L-shaped sliding rod is positioned right above the central line of the cam shaft, the side wall of the L-shaped sliding rod is fixedly connected with a first spring for resetting the L-shaped sliding rod, the right side of the L-shaped sliding rod is provided with a first ejector block capable of driving the L-shaped sliding rod to move upwards, the side wall of the first ejector block is fixedly connected with a second spring for resetting the first ejector block, the first ejector block is connected to the left and right direction of the inner wall of the C-shaped mounting plate in a sliding manner, a second top block for driving the first top block to move leftwards is arranged below the first top block, the second top block is connected to the right side wall of the C-shaped mounting plate in a sliding mode in the vertical direction, a rotating shaft is arranged below the second top block, the left end of the rotating shaft is rotatably connected with a fixing plate which is vertically arranged and fixedly connected on the top of the bottom plate, the right end of the rotating shaft is rotatably connected to the left side wall of the L-shaped mounting plate, the right side of the rotating shaft is provided with a third motor fixedly connected to the L-shaped mounting plate, an output shaft of the third motor is fixedly connected with a rotating shaft, and a plurality of lugs which are distributed at equal intervals and used for driving the L-shaped sliding rod to move upwards are fixedly connected to the rotating shaft;
when the double-way threaded rod polishing machine works, the technical scheme solves the problems that when the camshaft needs to be polished, a worker firstly places the camshaft on the top surfaces of two supporting plates and then starts a first motor to enable an output shaft of the first motor to drive a double-way threaded rod to rotate, the double-way threaded rod drives two first mounting plates to oppositely move towards the center of a bottom plate in a first sliding groove through the abrasive paper, the first mounting plate drives a supporting plate, the supporting plate moves together with a polishing rod and a polishing motor, the supporting plate always supports the camshaft above the supporting plate, when the two supporting rods are respectively attached to the left side wall and the right side wall of the camshaft, the two supporting rods clamp the camshaft between the camshaft, a cylinder is started simultaneously, a second mounting plate and a third mounting plate drive a polishing motor to synchronously rotate together with a polishing cylinder, and a polishing motor drives a polishing motor to drive a polishing cylinder to rotate along with the right side wall of the camshaft, and a polishing motor drives a polishing cylinder to drive a polishing motor to rotate together with a polishing cylinder, when the right side wall of the camshaft rotates with the polishing motor, after the camshaft rotates a circle again, the surface of the camshaft is polished by polishing abrasive paper for a circle, then the cylinder is started to extend leftwards, the cylinder drives the C-shaped mounting plate, the first sliding plate, the transmission roller and the polishing abrasive paper to move leftwards together for a distance of the width of the polishing abrasive paper, the polishing abrasive paper is moved to the unpolished position on the camshaft, then the ejector rod drives the camshaft to rotate for a circle, and the steps are repeated in sequence, after the polishing abrasive paper is moved to the position close to the groove wall for polishing, the first sliding plate is driven by the cylinder to move leftwards continuously, the first sliding plate drives the L-shaped sliding rod to move leftwards to be contacted with the groove wall, the L-shaped sliding rod acts on the groove wall to slide rightwards until the left side wall of the L-shaped sliding rod slides to be flush with the left side wall of the polishing abrasive paper, and at the moment, the polished left side wall is attached to the groove wall, the L-shaped sliding rod slides rightwards for a certain distance to move to a position where the first ejector block can push the first ejector block to move upwards, meanwhile, the second ejector block moves leftwards to the position above the rightmost lug, then the second motor and the third motor work synchronously again, the second motor can drive the cam shaft to rotate and polish, the third motor can drive the rotating shaft and the lug to rotate synchronously along with the rotating speed of the cam shaft, the lug can contact with the second ejector block after rotating for a certain angle, the lug can act on the second ejector block to enable the second ejector block to move upwards, the second ejector block can drive the first ejector block to move leftwards, the first ejector block can act on the L-shaped sliding rod to move upwards, the L-shaped sliding rod can drive the first sliding plate, the driving roller and polishing abrasive paper after polishing to move upwards, when the L-shaped sliding rod slides upwards to the position above the groove wall, the first ejector block moves leftwards for the farthest distance, the L-shaped sliding rod can slide leftwards under the action of a first spring after losing the limit of the groove wall, and extend out of the left side wall of polishing abrasive paper, the L-shaped sliding rod can not fall downwards under the limit of the protruding wall of the camshaft, then the cylinder is started to extend leftwards, the cylinder can drive the polishing abrasive paper to move leftwards to the protruding wall of the camshaft, then repeated polishing of the protruding wall of the camshaft can be started, when the polishing abrasive paper enters the groove position again after the polishing of the protruding wall is finished, the first sliding plate and the polishing abrasive paper can fall to the position contacting with the groove surface under the action of gravity, then the upper groove and the lower groove of the camshaft can be polished again, the steps are repeated in sequence until all the circumferential surfaces of the camshaft are polished, then the abrasive paper can return to the initial position, then a worker can take off the camshaft after polishing, collect the polished camshaft, the polishing abrasive paper, the L-shaped sliding rod, the first jacking block and the second jacking block can be driven to move leftwards to polish the groove wall of the camshaft without the first lifting block, the first jacking block can be driven to move upwards to polish the protruding wall of the camshaft, the first jacking block, the L-shaped sliding rod can be driven to move leftwards to polish the first jacking block, the polishing efficiency after polishing efficiency of the protruding wall of the cam shaft is increased, the applicability is strong.
As a further scheme of the invention, a Z-shaped pressure lever is arranged on the front side of the L-shaped sliding rod, the front end of the Z-shaped pressure lever is attached to the top surface of the bottom of the polishing abrasive paper, a second sliding plate which is vertically arranged and is slidably connected to the left wall of the right side of the C-shaped mounting plate in the vertical direction is fixedly connected to the right side wall of the Z-shaped pressure lever, a rotating rod is slidably connected to the front side wall of the second sliding plate in the front-rear direction, a third spring for resetting the rotating rod is sleeved on the rotating rod, a third ejector block for driving the second sliding plate to move outwards is arranged above the second sliding plate, a connecting rod is rotatably connected to the front side wall of the first ejector block, the top end of the connecting rod can be inserted into the rotating rod, second sliding grooves are symmetrically formed in the front and rear ends of the left and right side walls of the first sliding plate, the rotating shafts of the two driving rollers are rotatably connected to the two second sliding grooves respectively, a tensioning block is slidably connected to the second sliding groove, the tensioning block is attached to the rotating shaft of the tensioning roller, and a fourth spring for resetting is fixedly connected to the side wall of the tensioning block; in the working process, considering that the convex block is timely when driving the second top block to move upwards, so that polishing sand paper can directly move upwards without rotating a complete circumference on the cam shaft and the circumferential surface of the cam shaft can have a non-polishing position, the technical scheme solves the problems, and the specific scheme is as follows, when the L-shaped sliding rod is driven by the first top block to move upwards, the Z-shaped pressing rod can not move, the polishing sand paper can be pressed by the Z-shaped pressing rod, so that the joint position of the polishing sand paper and the cam shaft can not be driven upwards by the L-shaped sliding rod, the polishing sand paper can also be tensioned to polish the cam shaft in the process of moving upwards by the L-shaped sliding rod, the top of the polishing sand paper moves upwards, the two driving rollers can be driven to drive the blocks to move towards each other, when the first top block moves leftwards to enable the L-shaped sliding rod to slide upwards to the highest point, the first top block can drive the top end of the connecting rod to move downwards to the lowest point, at the moment, the rotating rod is inserted into the connecting rod under the action of the third spring, then the first ejector block returns to the initial position leftwards, the first ejector block drives the second sliding plate, the rotating rod and the Z-shaped pressure rod to move upwards through the connecting rod, the pressure of the Z-shaped pressure rod is lost, polishing abrasive paper returns to the position with the horizontal bottom surface under the action of the fourth spring, the polishing abrasive paper moves to the position above the convex wall of the camshaft and then is driven to the position contacted with the convex wall of the camshaft leftwards by the cylinder, the second sliding plate drives the Z-shaped pressure rod to move upwards to be contacted with the third ejector block, the third ejector block acts on the rotating rod to move forwards, the rotating rod is separated from the connecting rod, then the second sliding plate drives the Z-shaped pressure rod under the action of the self-gravity abrasive paper and then moves downwards to the position jointed with the polishing, and the Z-shaped pressure rod presses the polishing on the top surface of the camshaft, the polishing sand paper can be better attached to the surface of the camshaft to be polished, through the arrangement of the Z-shaped pressing rod, when the L-shaped sliding rod drives the first sliding plate and the polishing sand paper to move upwards, the part of the polishing sand paper, which is in contact with the surface of the camshaft, is pressed on the surface of the camshaft, so that the part of the polishing sand paper can continuously polish the camshaft, then when the first top block moves rightwards, the first top block can drive the Z-shaped pressing rod to move upwards, so that the Z-shaped pressing rod can not press the polishing sand paper after polishing is finished, then the polishing sand paper can return to a horizontal position under the action of the fourth spring, then the polishing sand paper can be driven to the protruding wall on the camshaft by the cylinder leftwards and then polished, the camshaft can be polished while the processing efficiency of the camshaft is increased, the camshaft can be polished more thoroughly, when the polishing treatment is carried out on the camshaft by the Z-shaped pressing rod, the polishing sand paper can be better attached to the circumferential wall of the camshaft, and the polishing sand paper can be better polished to the camshaft.
As a further scheme of the invention, the supporting plate is arc-shaped; during operation, the support plate which is dragged to be arc-shaped can support the camshaft more stably.
As a further scheme of the invention, the top of the second sliding plate is fixedly connected with a first gas spring for resetting the second sliding plate; during operation, through the setting of first air spring, can go up the better work that carries on of second slide.
As a further scheme of the invention, the left side and the right side of the first ejector block are respectively provided with a first inclined plane and a second inclined plane; during operation, through the setting on first inclined plane, can make first kicking block act on L shape slide bar and upwards remove, through the setting on second inclined plane, can make second kicking block act on first kicking block and remove left.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the polishing abrasive paper, the L-shaped sliding rod, the first jacking block and the second jacking block, when the polishing abrasive paper moves on the camshaft to polish and touch the convex block on the side wall of the groove on the camshaft, the left and right sides of the groove wall of the camshaft and the L-shaped sliding rod are enabled to move rightwards to the position acted by the first jacking block, then the first jacking block drives the L-shaped sliding rod to drive the first sliding plate and the polishing abrasive paper to move upwards to separate from the groove on the camshaft after the camshaft rotates and is polished, and then the polishing abrasive paper can move leftwards to the convex wall of the camshaft to be polished.
2. According to the invention, through the arrangement of the Z-shaped pressure lever, when the L-shaped sliding rod drives the first sliding plate and the polishing abrasive paper to move upwards, the part of the polishing abrasive paper, which is in contact with the surface of the camshaft, is pressed on the surface of the camshaft, so that the polishing abrasive paper of the part can continuously polish the camshaft, then when the first ejector block moves rightwards, the first ejector block can drive the Z-shaped pressure lever to move upwards, so that the Z-shaped pressure lever does not press the polishing abrasive paper after polishing, then the polishing abrasive paper can return to the horizontal position under the action of the fourth spring, and then the polishing abrasive paper can be driven leftwards by the cylinder to the protruding wall on the camshaft to be polished, so that the camshaft can be polished more thoroughly while the processing efficiency of the camshaft is increased, and the Z-shaped pressure lever can be polished to be better attached to the circumferential wall of the camshaft when the polishing abrasive paper polishes the camshaft, so that the camshaft can be polished better.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a partial cross-sectional view of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a C-shaped mounting plate and associated structure of the present invention;
FIG. 6 is a schematic view of a connecting structure of a Z-shaped compression bar and a second sliding plate according to the present invention;
FIG. 7 is a schematic view of a connection structure of a first top block and a second top block according to the present invention;
fig. 8 is a schematic view of the connection mechanism of the second sliding slot, the tensioning block and the fourth spring according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the polishing device comprises a bottom plate 1, a first sliding chute 2, a first mounting plate 3, a bidirectional threaded rod 4, a first motor 5, a supporting plate 6, a push rod 7, a cam shaft 8, a second motor 9, polishing sand paper 10, an L-shaped mounting plate 11, a cylinder 12, a telescopic supporting rod 13, a C-shaped mounting plate 14, a first sliding plate 15, a transmission roller 16, an L-shaped sliding rod 17, a first spring 18, a first ejector block 19, a second spring 20, a second ejector block 21, a rotating shaft 22, a fixing plate 23, a third motor 24, a convex block 25, a Z-shaped pressing rod 26, a second sliding plate 27, a rotating rod 28, a third spring 29, a third ejector block 30, a connecting rod 31, a second sliding chute 32, a block 33, a fourth spring 34, a first air spring 35, a first inclined surface 36 and a second inclined surface 37.
Detailed Description
Referring to fig. 1-8, the present invention provides a technical solution: a polishing process for the production and processing of a brake camshaft comprises the following steps:
the method comprises the following steps: a worker manually places the camshaft on the polishing mechanism;
step two: the polishing mechanism is driven to polish the camshaft;
step three: after polishing, the polishing mechanism returns to the initial position, and then a worker can take down the camshaft to complete the processing of the camshaft;
the polishing mechanism in the first step, the second step and the third step comprises a bottom plate 1, a first sliding groove 2 is formed in the top surface of the bottom plate 1, two first mounting plates 3 which are symmetrically arranged in the left and right directions are connected in the first sliding groove 2 in a sliding mode, a bidirectional threaded rod 4 is connected in the first sliding groove 2 in a rotating mode, the two first mounting plates 3 are respectively connected to the left end and the right end of the bidirectional threaded rod 4 in a threaded mode, a first motor 5 is fixedly connected to the side wall of the bottom plate 1, the output shaft of the first motor 5 is fixedly connected with the bidirectional threaded rod 4, supporting plates 6 are symmetrically and fixedly connected to the inner side walls of the two first mounting plates 3, ejector rods 7 rotatably connected to the inner side walls of the first mounting plates 3 are arranged above the supporting plates 6, a cam shaft 8 is jointly placed on the top surfaces of the two supporting plates 6, a second motor 9 is fixedly connected to the right side wall of the right first mounting plate 3, the output shaft of the second motor 9 is fixedly connected with the right ejector rod 7, a polishing mechanism 10 is arranged above the right ejector rod 7, and a driving mechanism is arranged on the side edge of the first mounting plate 3;
the driving mechanism comprises an L-shaped mounting plate 11, the L-shaped mounting plate 11 is fixedly connected to the top of the bottom plate 1, the top of the left wall of the right side of the L-shaped mounting plate 11 is fixedly connected with an air cylinder 12 and a telescopic supporting rod 13, the left ends of the air cylinder 12 and the telescopic supporting rod 13 are jointly and fixedly connected with a C-shaped mounting plate 14, the left wall of the C-shaped mounting plate 14 is connected with a first sliding plate 15 in a sliding manner in the vertical direction, the first sliding plate 15 is positioned at the rear side of the camshaft 8, the front end and the rear end of the left side wall of the first sliding plate 15 are both rotatably connected with driving rollers 16, polishing abrasive paper 10 is in transmission connection with the outer walls of the two driving rollers 16, the bottom of the first sliding plate 15 is connected with an L-shaped sliding rod 17 in a left-right direction in a sliding manner, the front end of the L-shaped sliding rod 17 is positioned right above the central line of the cam shaft 8, the side wall of the L-shaped sliding rod 17 is fixedly connected with a first spring 18 for resetting the L-shaped sliding rod 17, the right side of the L-shaped sliding rod 17 is provided with a first top block 19 capable of driving the L-shaped sliding rod 17 to move upwards, the side wall of the first top block 19 is fixedly connected with a second spring 20 for resetting the L-shaped sliding rod, the first top block 19 is connected in a left-right direction of the inner wall of the C-shaped mounting plate 14 in a sliding manner, a second top block 21 for driving the L-shaped sliding rod 17 to move leftwards is arranged below the first top block 19, the second top block 21 is connected in a vertical direction of the right side wall of the C-shaped mounting plate 14 in a sliding manner, a rotating shaft 22 is arranged below the second top block 21, the left end of the rotating shaft 22 is rotatably connected with a fixing plate 23 which is vertically arranged and is connected with a fixing plate 1, the left side wall of the L-shaped mounting plate 11, the rotating shaft 22 is connected with a fixing plate, the fixing plate 22, the left-side wall of the L-side fixing plate 11, the rotating shaft is connected with a third motor 24 for driving shaft 24, and a plurality of motors 24 for driving motor for driving the L-shaped mounting plate 24, and a plurality of output shafts 24 are arranged in an equal-distance, and a plurality of output shafts 24 for driving motor;
when the polishing machine works, in the prior art, when the camshaft 8 is polished, because a plurality of grooves with different depths are formed in the outer wall of the camshaft 8, abrasive paper cannot be attached to the outer wall of the whole camshaft 8, a special device needs to be designed to polish the camshaft 8 easily, and when special abrasive paper is not used for polishing, when the abrasive paper moves on the outer wall of the camshaft 8, the groove walls can block the movement of the abrasive paper, the abrasive paper needs to be moved out of the grooves by workers, the frequent operation of the workers is needed, and the processing efficiency of the camshaft 8 can be greatly reduced, the technical scheme solves the problems, and has the following specific scheme that when the camshaft 8 needs to be polished, the workers firstly place the camshaft 8 on the top surfaces of two supporting plates 6 and then start the first motor 5, so that the output shaft of the first motor 5 drives the two-way threaded rod 4 to rotate, the two-way threaded rod 4 drives the two first mounting plates 3 to move towards the center of the bottom plate 1 in the first chute 2 in opposite directions through threads, first mounting panel 3 can drive layer board 6, ejector pin 7 and polishing abrasive paper 10 remove together, layer board 6 holds up camshaft 8 in its top all the time, after two ejector pins 7 respectively with the laminating of camshaft 8's left and right side wall, two ejector pins 7 can be with camshaft 8 centre gripping in the middle of them, start cylinder 12 simultaneously, second motor 9 and third motor 24 work, second motor 9 and third motor 24 are synchronous to rotate with fast, second motor 9 can drive ejector pin 7 on right side and rotate, ejector pin 7 on right side can drive its camshaft 8 after pressing from both sides tightly and rotate together, third motor 24 can drive pivot 22 and lug 25 and rotate together, cylinder 12 can drive first slide 15 and polishing abrasive paper 10 through C shape mounting panel 14 and remove together left abrasive paper, make gas after polishing abrasive paper 10 moves left and makes the right lateral wall of polishing 10 and the right lateral wall parallel and level of camshaft 8 make When the cylinder 12 stops working, the camshaft 8 rotates to polish the surface of the polishing sand paper 10, after the camshaft 8 rotates for another circle, the surface of the camshaft 8 is polished for one circle by the polishing sand paper 10, then the cylinder 12 is started to extend leftwards, the cylinder 12 drives the C-shaped mounting plate 14, the first sliding plate 15, the driving roller 16 and the polishing sand paper 10 to move leftwards for a distance of the width of the polishing sand paper 10, the polishing sand paper 10 moves to an unpolished position on the camshaft 8, then the ejector rod 7 drives the camshaft 8 to rotate for one circle, the sequence is repeated, after the polishing sand paper 10 moves to a position closer to the groove wall and finishes polishing, the first sliding plate 15 is driven by the cylinder 12 to move leftwards, the first sliding plate 15 drives the L-shaped sliding rod 17 to move leftwards to contact with the groove wall, the L-shaped sliding rod 17 acts on the L-shaped sliding rod 17 to slide rightwards until the left side wall of the L-shaped sliding rod 17 slides to be flush with the left side wall of the polishing sand paper 10, at the moment, the left side wall of the polishing sand paper 10 is attached to the groove wall, the second sliding block 21 moves upwards to drive the second ejector block 21 to move upwards, the second ejector block 21 to rotate, the second ejector block 21 to drive the second ejector block 21 to rotate synchronously with the second ejector block 21 to move upwards, the L-shaped sliding rod 17 can drive the first sliding plate 15, the transmission roller 16 and the polished abrasive paper 10 to move upwards together, when the L-shaped sliding rod 17 slides upwards to the upper side of the groove wall, the first top block 19 moves leftwards to the farthest distance, the L-shaped sliding rod 17 can slide leftwards under the action of the first spring 18 after losing the limit of the groove wall and extends out of the left side wall of the polished abrasive paper 10, the L-shaped sliding rod 17 cannot fall downwards under the limit of the convex wall of the camshaft 8, then the air cylinder 12 is started to extend leftwards, the air cylinder 12 can drive the polished abrasive paper 10 to move leftwards to the convex wall of the camshaft 8, then repeated polishing of the convex wall of the camshaft 8 can be started, when the polished abrasive paper 10 enters the groove position again after polishing of the convex wall is finished, the first sliding plate 15 and the polished abrasive paper 10 can fall to the position contacting with the groove surface under the action of gravity, then, polishing the upper groove and the lower groove of the camshaft 8 again, repeating the steps in sequence until all the circumferential surfaces of the camshaft 8 are polished, then returning each part to the initial position, and then taking down the camshaft 8 after polishing and collecting, through the arrangement of the polishing abrasive paper 10, the L-shaped sliding rod 17, the first ejector block 19 and the second ejector block 21, when the polishing abrasive paper 10 moves on the camshaft 8 and polishes and touches the side wall of the groove on the camshaft 8, the groove wall of the camshaft 8 is left and right and the L-shaped sliding rod 17, the L-shaped sliding rod 17 moves rightwards to the position acted by the first ejector block 19, then the first ejector block 19 drives the L-shaped sliding rod 17 to drive the first sliding plate 15 and the polishing 10 to move upwards to separate from the groove on the camshaft 8 after the camshaft 8 rotates and is polished, then can make polishing abrasive paper 10 remove to the 8 protruding walls of camshaft left go on polishing, this device need not staff's participation can realize polishing 8 circumferences of camshaft completely when polishing process to camshaft 8, machining efficiency that can greatly increased camshaft 8, and can be applicable to the polishing processing of the camshaft 8 of various different models, and the suitability is stronger.
As a further scheme of the invention, a Z-shaped pressure lever 26 is arranged on the front side of the L-shaped sliding rod 17, the front end of the Z-shaped pressure lever 26 is attached to the top surface of the bottom of the polishing abrasive paper 10, a second sliding plate 27 which is vertically arranged and is slidably connected to the left wall of the right side of the C-shaped mounting plate 14 in the vertical direction is fixedly connected to the right wall of the Z-shaped pressure lever 26, a rotating rod 28 is slidably connected to the front wall of the second sliding plate 27 in the front-rear direction, a third spring 29 for resetting the rotating rod 28 is sleeved on the rotating rod 28, a third top block 30 for driving the second sliding plate 27 to move outwards is arranged above the second sliding plate 27, a connecting rod 31 is rotatably connected to the front wall of the first top block 19, the top end of the connecting rod 31 can be inserted into the rotating rod 28, second sliding grooves 32 are symmetrically formed at the front and rear ends of the left and right side walls of the first sliding plate 15, the rotating shafts of the two driving rollers 16 are rotatably connected to the two second sliding grooves 32 respectively, a tensioning block 33 is slidably connected to the second sliding grooves 32, the rotating shaft 33 is attached to the rotating shaft of the roller 16, and a fourth spring 34 for resetting of the tensioning block 33 is fixedly connected to the side wall of the tensioning block; in the working process, considering that the bump 25 is timely when driving the second ejector block 21 to move upwards, so that the polishing sand paper 10 can directly move upwards without rotating a complete circle on the cam shaft 8, and the circumferential surface of the cam shaft 8 can have a position without polishing, the technical scheme solves the problems, and in the specific scheme, when the L-shaped sliding rod 17 is driven by the first ejector block 19 to move upwards, the Z-shaped pressing rod 26 can not move, the Z-shaped pressing rod 26 can press the polishing sand paper 10, so that the position where the polishing sand paper 10 is attached to the cam shaft 8 can not be driven upwards by the L-shaped sliding rod 17, the polishing sand paper 10 can polish the cam shaft 8 in the process of moving upwards by the L-shaped sliding rod 17, the top of the polishing sand paper 10 moves upwards, and the two roller driving blocks 16 can be driven to drive the tensioning blocks 33 to move towards each other, when the first top block 19 moves to the left to make the L-shaped sliding rod 17 slide upwards to the highest point, the first top block 19 will drive the top end of the connecting rod 31 to move downwards to the lowest point, at this time, the rotating rod 28 will be inserted into the connecting rod 31 under the action of the third spring 29, then, during the process that the first top block 19 returns to the initial position to the left, the first top block 19 will drive the second sliding plate 27, the rotating rod 28 and the Z-shaped pressing rod 26 to move upwards through the connecting rod 31, the pressure of the Z-shaped pressing rod 26 is lost, the polishing abrasive paper 10 will return to the position with the horizontal bottom surface under the action of the fourth spring 34, the polishing abrasive paper 10 will move to the upper side of the convex wall of the camshaft 8, and then will be driven to the position contacting the convex wall of the camshaft 8 to the left by the cylinder 12, the second sliding plate 27 will drive the Z-shaped pressing rod 26 to move upwards to contact with the third top block 30, the third top block 30 will act on the rotating rod 28 to move forwards, so that the rotating rod 28 is separated from the connecting rod 31, then the second sliding plate 27 drives the Z-shaped pressing rod 26 to move downwards to a position attached with the polishing sand paper 10 under the action of self gravity, at the moment, the Z-shaped pressing rod 26 presses the polishing sand paper 10 on the top surface of the camshaft 8, so that the polishing sand paper 10 can be better attached to the surface of the camshaft 8 for polishing, through the arrangement of the Z-shaped pressing rod 26, when the L-shaped sliding rod 17 drives the first sliding plate 15 and the polishing sand paper 10 to move upwards, the part of the polishing sand paper 10, which is in contact with the surface of the camshaft 8, is pressed on the surface of the camshaft 8, so that the polishing sand paper 10 of the part can continue to polish the camshaft 8, then when the first top block 19 moves rightwards, the first top block 19 can drive the Z-shaped pressing rod 26 to move upwards, so that the Z-shaped pressing rod 26 does not press the polishing sand paper 10 after polishing, then the polishing sand paper 10 can return to the horizontal position under the action of the fourth spring 34, then the cam shaft 12 can be driven to the left to the upper wall of the camshaft 8 for polishing, and then the camshaft 8 can be polished more completely, and the camshaft 8 can be polished by the polishing sand paper 10, so that the camshaft 8 can be polished by the horizontal position of the polishing sand paper 10, and the camshaft 8 can be polished by the polishing sand paper 10, and the camshaft 8 can be more thoroughly polished by the polishing sand paper 10.
As a further aspect of the present invention, the shape of the supporting plate 6 is an arc shape; during operation, the supporting plate 6 in the arc shape is dragged, so that the supporting of the supporting plate 6 on the camshaft 8 is more stable.
As a further scheme of the present invention, a first air spring 35 for restoring the second sliding plate 27 is fixedly connected to the top of the second sliding plate; in operation, the second sliding plate 27 can be operated better by the arrangement of the first air spring 35.
As a further aspect of the present invention, the left and right sides of the first top block 19 are respectively provided with a first inclined surface 36 and a second inclined surface 37; in operation, the first top block 19 can be enabled to act on the L-shaped sliding rod 17 to move upwards through the arrangement of the first inclined surface 36, and the second top block 21 can act on the first top block 19 to move leftwards through the arrangement of the second inclined surface 37.
The working principle is as follows: when the polishing machine works, in the prior art, when the camshaft 8 is polished, because a plurality of grooves with different depths are formed in the outer wall of the camshaft 8, abrasive paper cannot be attached to the outer wall of the whole camshaft 8, a special device needs to be designed to polish the camshaft 8 easily, and when special abrasive paper is not used for polishing, when the abrasive paper moves on the outer wall of the camshaft 8, the groove walls can block the movement of the abrasive paper, the abrasive paper needs to be moved out of the grooves by workers, the frequent operation of the workers is needed, and the processing efficiency of the camshaft 8 can be greatly reduced, the technical scheme solves the problems, and has the following specific scheme that when the camshaft 8 needs to be polished, the workers firstly place the camshaft 8 on the top surfaces of two supporting plates 6 and then start the first motor 5, so that the output shaft of the first motor 5 drives the two-way threaded rod 4 to rotate, the two-way threaded rod 4 drives the two first mounting plates 3 to move towards the center of the bottom plate 1 in the first chute 2 in opposite directions through threads, first mounting panel 3 can drive layer board 6, ejector pin 7 and polishing abrasive paper 10 remove together, layer board 6 holds up camshaft 8 in its top all the time, after two ejector pins 7 respectively with the laminating of camshaft 8's left and right side wall, two ejector pins 7 can be with camshaft 8 centre gripping in the middle of them, start cylinder 12 simultaneously, second motor 9 and third motor 24 work, second motor 9 and third motor 24 are synchronous to rotate with fast, second motor 9 can drive ejector pin 7 on right side and rotate, ejector pin 7 on right side can drive its camshaft 8 after pressing from both sides tightly and rotate together, third motor 24 can drive pivot 22 and lug 25 and rotate together, cylinder 12 can drive first slide 15 and polishing abrasive paper 10 through C shape mounting panel 14 and remove together left abrasive paper, make gas after polishing abrasive paper 10 moves left and makes the right lateral wall of polishing 10 and the right lateral wall parallel and level of camshaft 8 make When the cylinder 12 stops working, the camshaft 8 rotates to polish the surface of the polishing sand paper 10, after the camshaft 8 rotates for another circle, the surface of the camshaft 8 is polished for one circle by the polishing sand paper 10, then the cylinder 12 is started to extend leftwards, the cylinder 12 drives the C-shaped mounting plate 14, the first sliding plate 15, the driving roller 16 and the polishing sand paper 10 to move leftwards for a distance of the width of the polishing sand paper 10, the polishing sand paper 10 moves to an unpolished position on the camshaft 8, then the ejector rod 7 drives the camshaft 8 to rotate for one circle, the sequence is repeated, after the polishing sand paper 10 moves to a position closer to the groove wall and finishes polishing, the first sliding plate 15 is driven by the cylinder 12 to move leftwards, the first sliding plate 15 drives the L-shaped sliding rod 17 to move leftwards to contact with the groove wall, the L-shaped sliding rod 17 acts on the L-shaped sliding rod 17 to slide rightwards until the left side wall of the L-shaped sliding rod 17 slides to be flush with the left side wall of the polishing sand paper 10, at the moment, the left side wall of the polishing sand paper 10 is attached to the groove wall, the second sliding block 21 moves upwards to drive the second ejector block 21 to move upwards, the second ejector block 21 to rotate, the second ejector block 21 to drive the second ejector block 21 to rotate synchronously with the second ejector block 21 to move upwards, the L-shaped sliding rod 17 can drive the first sliding plate 15, the transmission roller 16 and the polished abrasive paper 10 to move upwards together, when the L-shaped sliding rod 17 slides upwards to the upper side of the groove wall, the first top block 19 moves leftwards to the farthest distance, the L-shaped sliding rod 17 can slide leftwards under the action of the first spring 18 after losing the limit of the groove wall and extends out of the left side wall of the polished abrasive paper 10, the L-shaped sliding rod 17 cannot fall downwards under the limit of the convex wall of the camshaft 8, then the air cylinder 12 is started to extend leftwards, the air cylinder 12 can drive the polished abrasive paper 10 to move leftwards to the convex wall of the camshaft 8, then repeated polishing of the convex wall of the camshaft 8 can be started, when the polished abrasive paper 10 enters the groove position again after polishing of the convex wall is finished, the first sliding plate 15 and the polished abrasive paper 10 can fall to the position contacting with the groove surface under the action of gravity, then, polishing the upper groove and the lower groove of the camshaft 8 again, repeating the steps in sequence until all the circumferential surfaces of the camshaft 8 are polished, then returning each part to the initial position, and then taking down the camshaft 8 after polishing and collecting, through the arrangement of the polishing abrasive paper 10, the L-shaped sliding rod 17, the first ejector block 19 and the second ejector block 21, when the polishing abrasive paper 10 moves on the camshaft 8 and polishes and touches the side wall of the groove on the camshaft 8, the groove wall of the camshaft 8 is left and right and the L-shaped sliding rod 17, the L-shaped sliding rod 17 moves rightwards to the position acted by the first ejector block 19, then the first ejector block 19 drives the L-shaped sliding rod 17 to drive the first sliding plate 15 and the polishing 10 to move upwards to separate from the groove on the camshaft 8 after the camshaft 8 rotates and is polished, then can make polishing abrasive paper 10 remove left and polish on the protruding wall of 8 camshafts, this device does not need the staff to participate in and can realize polishing 8 periphery of camshaft totally when carrying out the polishing process to camshaft 8, machining efficiency that can 8 of greatly increased camshaft, and can be applicable to the polishing processing of 8 camshafts of various different models, and the suitability is stronger.
Claims (5)
1. A polishing process for producing and processing a brake camshaft is characterized in that; the process comprises the following steps:
the method comprises the following steps: a worker manually places the camshaft (8) on the polishing mechanism;
step two: the polishing mechanism is driven to polish the cam shaft (8);
step three: after polishing, the polishing mechanism returns to the initial position, and then a worker can take down the camshaft (8) to complete the processing of the camshaft (8);
the polishing mechanism comprises a base plate (1), a first sliding groove (2) is formed in the top surface of the base plate (1), two first mounting plates (3) which are symmetrically arranged in the left and right directions are connected in the first sliding groove (2) in a sliding mode, a bidirectional threaded rod (4) is connected in the first sliding groove (2) in a rotating mode, the two first mounting plates (3) are respectively connected to the left end and the right end of the bidirectional threaded rod (4) in a threaded mode, a first motor (5) is fixedly connected to the side wall of the base plate (1), an output shaft of the first motor (5) is fixedly connected with the bidirectional threaded rod (4), supporting plates (6) are symmetrically and fixedly connected to the inner side walls of the two first mounting plates (3), ejector rods (7) which are rotatably connected to the inner side walls of the first mounting plates (3) are arranged above the supporting plates (6), a cam shaft (8) is jointly placed on the top surfaces of the two supporting plates (6), a second motor (9) is fixedly connected to the right side wall of the first mounting plate (3), an output shaft of the second motor (9) is fixedly connected with the right side wall of the ejector rod (7), and a polishing mechanism (10) is arranged above the ejector rod (3);
the actuating mechanism includes L shape mounting panel (11), L shape mounting panel (11) fixed connection is at the top of bottom plate (1), fixedly connected with cylinder (12) and flexible bracing piece (13) on the right side left wall top of L shape mounting panel (11), cylinder (12) with the common fixedly connected with C shape mounting panel (14) of left end of flexible bracing piece (13), sliding connection has first slide (15) on vertical direction for the left side wall of C shape mounting panel (14), first slide (15) are located the rear side of camshaft (8), just both ends all rotate around the left side wall of first slide (15) and are connected with driving roller (16), polishing abrasive paper (10) transmission is connected on the outer wall of two driving roller (16), the bottom of first slide (15) is sliding connection has L shape slide (17) about direction, the front end of L shape slide (17) is located directly over the central line of camshaft (8), fixedly connected with first spring (18) that is used for its reset on the lateral wall of L shape slide (17), the top block (19) that the first side of L shape slide (17) is connected with on the right side of its top of the top block (19) that can move upwards, first slide block (19) is connected with first side of first slide (19), the below of first kicking block (19) is provided with second kicking block (21) that is used for driving its left movement, second kicking block (21) sliding connection is in the vertical direction of C shape mounting panel (14) right side wall, the below of second kicking block (21) is provided with pivot (22), the left end of pivot (22) is rotated and is connected with vertical fixed plate (23) of arranging and fixed connection on bottom plate (1) top, the right-hand member of pivot (22) is rotated and is connected on the left side wall of L shape mounting panel (11), the right side of pivot (22) is provided with third motor (24) of fixed connection on L shape mounting panel (11), the output shaft and pivot (22) fixed connection of third motor (24), a plurality of equidistance that are of fixedly connected with in pivot (22) distribute and are used for driving lug (25) of L shape slide bar (17) rebound.
2. The polishing process for the production and machining of the brake camshaft as claimed in claim 1, wherein: the front side of L shape slide bar (17) is provided with Z shape depression bar (26), the front end of Z shape depression bar (26) and the laminating of the bottom top surface of polishing abrasive paper (10), fixedly connected with is vertical to be arranged and sliding connection is at second slide (27) on the vertical direction of C shape mounting panel (14) right side left wall on the right side wall of Z shape depression bar (26), lateral wall sliding connection has bull stick (28) in the front and back direction before second slide (27), the cover is equipped with third spring (29) that are used for its restoration on bull stick (28), the top of second slide (27) is provided with third kicking block (30) that are used for driving its outside to remove, rotate on the preceding lateral wall of first kicking block (19) and be connected with connecting rod (31), the top of connecting rod (31) can be pegged graft with bull stick (28), second spout (32) have been seted up to both ends symmetry around the lateral wall about first slide (15), two the axis of rotation roller (16) rotates respectively and connects in two second spout (32), equal sliding connection has tensioning piece (33) and tensioning roller (33) be used for on the laminating of fourth tensioning spring (33).
3. The polishing process for the production and machining of the brake camshaft as claimed in claim 2, wherein: the supporting plate (6) is arc-shaped.
4. The polishing process for the production and machining of the brake camshaft according to claim 3, characterized in that: and a first air spring (35) for resetting the second sliding plate (27) is fixedly connected to the top of the second sliding plate.
5. The polishing process for the production and machining of the brake camshaft according to claim 4, wherein: the left side and the right side of the first ejector block (19) are respectively provided with a first inclined surface (36) and a second inclined surface (37).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665536.5A CN113561032B (en) | 2021-06-16 | 2021-06-16 | Polishing process for production and processing of brake camshaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665536.5A CN113561032B (en) | 2021-06-16 | 2021-06-16 | Polishing process for production and processing of brake camshaft |
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| CN113561032A CN113561032A (en) | 2021-10-29 |
| CN113561032B true CN113561032B (en) | 2022-12-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10296611A (en) * | 1997-04-26 | 1998-11-10 | Musashi Seimitsu Ind Co Ltd | Polishing method and device for camshaft |
| CN206519843U (en) * | 2017-02-28 | 2017-09-26 | 河南中轴中汇汽车零部件有限公司 | A kind of simple burnishing device of camshaft |
| CN208811830U (en) * | 2018-10-08 | 2019-05-03 | 江西骏鹏达精密机械有限公司 | A kind of camshaft burnishing device |
| CN211103353U (en) * | 2019-12-10 | 2020-07-28 | 湖北威风汽车配件股份有限公司 | Camshaft polishing mechanism |
| CN211103122U (en) * | 2019-12-10 | 2020-07-28 | 湖北威风汽车配件股份有限公司 | A burring burnishing device for camshaft |
-
2021
- 2021-06-16 CN CN202110665536.5A patent/CN113561032B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10296611A (en) * | 1997-04-26 | 1998-11-10 | Musashi Seimitsu Ind Co Ltd | Polishing method and device for camshaft |
| CN206519843U (en) * | 2017-02-28 | 2017-09-26 | 河南中轴中汇汽车零部件有限公司 | A kind of simple burnishing device of camshaft |
| CN208811830U (en) * | 2018-10-08 | 2019-05-03 | 江西骏鹏达精密机械有限公司 | A kind of camshaft burnishing device |
| CN211103353U (en) * | 2019-12-10 | 2020-07-28 | 湖北威风汽车配件股份有限公司 | Camshaft polishing mechanism |
| CN211103122U (en) * | 2019-12-10 | 2020-07-28 | 湖北威风汽车配件股份有限公司 | A burring burnishing device for camshaft |
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| CN113561032A (en) | 2021-10-29 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Polishing Process for the Production and Processing of Brake Camshafts Granted publication date: 20221230 Pledgee: Bank of Communications Co.,Ltd. Taizhou Branch Pledgor: Taizhou Hongxiang Power Machinery Co.,Ltd. Registration number: Y2024980016473 |
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