CN114700840B - Rocker arm arc grinding equipment and production process thereof - Google Patents

Rocker arm arc grinding equipment and production process thereof Download PDF

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Publication number
CN114700840B
CN114700840B CN202210207507.9A CN202210207507A CN114700840B CN 114700840 B CN114700840 B CN 114700840B CN 202210207507 A CN202210207507 A CN 202210207507A CN 114700840 B CN114700840 B CN 114700840B
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CN
China
Prior art keywords
cylinder
block
rocker arm
supporting
cover plate
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CN202210207507.9A
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Chinese (zh)
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CN114700840A (en
Inventor
王新强
李鹏
陈威烨
陈守胜
王伍强
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Taizhou Wonderful Machinery Co ltd
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Taizhou Wonderful Machinery Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/26Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/007Weight compensation; Temperature compensation; Vibration damping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The invention discloses a processing device, in particular to a rocker arm arc grinding device and a production process thereof. The frock includes first supporting part, the second supporting part and set up the fixed part between first supporting part and second supporting part, first supporting part includes first supporting seat, the second supporting part includes the second supporting seat, the fixed part includes the support frame, be provided with the connecting rod on the support frame, set up a plurality of rotatable briquettings on the connecting rod, the one end of briquetting orientation first supporting seat constitutes the fixed chamber of fixed treating the processing rocking arm with first supporting seat, be equipped with drive briquetting pivoted drive assembly between the one end of briquetting orientation second supporting seat and the second supporting seat. Put into fixed intracavity with the rocking arm work piece, thereby make the briquetting rotate through drive assembly's drive, thereby make briquetting and rocking arm work piece conflict with rocking arm work piece mounting to easy to assemble and take off.

Description

Rocker arm arc grinding equipment and production process thereof
Technical Field
The invention belongs to the technical field of processing equipment, and particularly relates to rocker arm arc grinding equipment and a production process thereof.
Background
The rocker arm is a part required for completing the air intake and exhaust processes of the engine by matching with a camshaft opening door, so that the machining precision of the rocker arm has great influence on the performance of the engine.
The arc surface is usually required to be processed in the production of the rocker arm, and the rocker arm is not easy to fix when being polished due to the structure of the rocker arm. The Chinese utility model patent with the application number of 201320452798.4 discloses a rocker arm arc grinding tool, which comprises a base, a mandrel fixedly installed on the base and used for sleeving a rocker arm, a support mechanism I arranged on two sides of the mandrel and used for supporting a processing end of an R surface of the rocker arm, and a support mechanism I used for supporting a non-processing end of the rocker arm; the base is also provided with a grinding wheel shape correcting device; the mandrel is provided with a pressing structure for pressing and fixing the rocker arm; the grinding wheel reshaping device comprises a bearing seat arranged on a base and a rotating shaft arranged in the bearing seat, one end of the rotating shaft is provided with an opening sleeve and a diamond pen arranged on the opening sleeve and used for reshaping the grinding wheel, and the other end of the rotating shaft is provided with a locking mechanism used for locking the rotating shaft and preventing the rotating shaft from rotating and a driving mechanism I used for driving the rotating shaft to rotate when the locking mechanism is loosened.
A plurality of rocking arms are got to clamp on the axle center in above-mentioned rocking arm arc frock of grinding, can improve the machining efficiency of rocking arm, but do not have independent fixed space between the rocking arm, need the installation and the dismantlement of all rocking arms when installing or taking off one of them rocking arm, influence production efficiency.
The arc surface of the rocker arm is usually machined by using a surface grinder. The Chinese patent with the application number of 201210312269.4 discloses a numerical control grinding machine, which comprises a base, a machine body arranged above the base, a stand column arranged on the back of the base and connected with the base, a movable grinding head arranged on the stand column, a numerical control device arranged on one side of the stand column, a slide way arranged on the stand column and used for fixing and moving the movable grinding head up and down, and a driving device arranged on the stand column and used for controlling the movable grinding head to move up and down, wherein a support is arranged between the numerical control device and the stand column. The bottom of the lathe bed is provided with a longitudinal driving device and a transverse driving device, the surface of the lathe bed is provided with a guide rail, and the guide rail is provided with a working plane.
In the prior art, a flat grinder drives a tool mounted on a working platform to move through the horizontal movement of the working platform, so that a rocker arm is machined. The impact when the work plane reciprocates affects the stability of the surface grinding machine to generate vibration, and affects the machining precision of the rocker arm.
Disclosure of Invention
The invention aims to provide high-efficiency and high-precision rocker arm arc grinding equipment aiming at the technical problems.
The purpose of the invention is realized as follows: the utility model provides a rocking arm grinds circular arc equipment, includes can be at the grinding machanism that vertical direction removed and can be at the sideslip mechanism that the horizontal direction removed, and grinding machanism includes the wheel of polishing, installs the frock on the sideslip mechanism, installs the rocking arm work piece of treating processing on the frock, carries out the processing of arc surface to the rocking arm work piece through the reciprocating motion of wheel of polishing and sideslip mechanism horizontal direction. The frock includes first supporting part, the second supporting part and sets up the fixed part between first supporting part and second supporting part, first supporting part includes first supporting seat, the second supporting part includes the second supporting seat, the fixed part includes the support frame, be provided with the connecting rod on the support frame, set up a plurality of rotatable briquettings on the connecting rod, the one end of briquetting orientation first supporting seat constitutes the fixed chamber of fixed treating the processing rocking arm with first supporting seat, be equipped with drive briquetting pivoted drive assembly between the one end of briquetting orientation second supporting seat and the second supporting seat. Put into fixed intracavity with the rocking arm work piece, thereby the drive through drive assembly makes the briquetting rotate, thereby makes briquetting and rocking arm work piece conflict with rocking arm work piece mounting, then rotates the briquetting when taking off, makes briquetting and rocking arm work piece separation contact fixed to easy to assemble and take off.
In the technical scheme, the first supporting seat is provided with a positioning groove, and a first positioning block is embedded in the positioning groove. Set up the second locating piece simultaneously on the first supporting seat, the second locating piece includes first structural plane and second structural plane, and the side laminating of first structural plane and first supporting seat is fixed through the fastener, and the first locating piece of second structural plane cover part can guarantee the stability of first locating piece and second location installation. The first positioning block part extends to the outside of the positioning groove, and the first supporting seat, the first positioning block, the second positioning block and the pressing block jointly form a fixing cavity for accommodating the rocker arm workpiece, so that the stability of fixing the rocker arm workpiece is ensured.
Among this technical scheme, drive assembly is including setting up the cylinder on the second supporting seat, and the output shaft of cylinder has the connecting block, and the briquetting is connected to the connecting block, can drive the rotation of briquetting through the cylinder to make the briquetting contradict or separate with the rocking arm work piece towards the one end of first supporting seat, the fixed and the taking off of the rocking arm work piece of being convenient for. The output shaft of a cylinder is connected with two connecting blocks, and two adjacent pressing blocks corresponding to adjacent cylinders are connected through the fixing block, so that the action consistency of each pressing block can be ensured, and the efficiency is improved.
In this technical scheme, sideslip mechanism includes the support, leads to sideslip subassembly on the support and connects a supporting bench, and the frock is installed on a supporting bench. The sideslip subassembly is including installing the guide rail on the support and installing the slider on the brace table, and the brace table can move on the support when the slider can move on the guide rail. The supporting platform is connected with a driving mechanism, and the driving mechanism drives the supporting platform to move so that the supporting platform performs reciprocating motion in the horizontal direction on the support. Be equipped with the buffer gear who is used for slowing down the supporting bench and assaults when removing between support and the supporting bench, the vibration of supporting bench when can effectively reducing to remove improves the machining precision.
In this technical scheme, buffer gear includes first buffer portion and second buffer portion. The first buffer part comprises a first supporting plate arranged on one surface of the support platform facing the support, the second buffer part comprises a second supporting plate arranged on one surface of the support platform facing the support platform, and the first supporting plate and the second supporting plate are arranged oppositely. A first sliding rail is arranged on one surface, facing the second supporting plate, of the first supporting plate, and a second sliding rail corresponding to the first sliding rail is arranged on the second supporting plate. Set up first stopper on the first slide rail, first stopper is connected with first elastic component, sets up the second stopper on the second slide rail, and the second stopper is connected with second elastic component. The first limiting block comprises a first block body and a second block body, the first block body is rotatably connected with the second block body and arranged in a staggered mode, the second limiting block comprises a third block body and a fourth block body, the third block body is rotatably connected with the fourth block body and arranged in a staggered mode, the first block body and the fourth block body are arranged on the same plane, and the second block body and the third block body are arranged on the same plane. One end of the first slide rail, which is far away from the first elastic component, is provided with a first bending portion, the inner side of the first bending portion is provided with a first clamping column, and a first arc portion matched with the first clamping column is arranged on the first block body. One end of the second slide rail, which is far away from the second elastic component, is provided with a second bending part, the inner side of the second bending part is provided with a second clamping column, and a second arc part matched with the second clamping column is arranged on the third block body.
The first block body is positioned on the left side of the second block body, the first block body is arranged on the upper side, the second block body is arranged on the lower side, and the first block body and the second block body are staggered. The third block is positioned on the left side of the fourth block, the fourth block is positioned on the upper side, the third block is positioned on the lower side, and the third block and the fourth block are staggered. When the supporting table moves leftwards, the second block body is abutted against the third block body, the first limiting block drives the second limiting block to move, so that the second elastic assembly is stretched, the movement of the supporting table is buffered, and the vibration is reduced. When the third block body moves to the second bending part, the third block body rotates, the arc part on the third block body is clamped by the second limiting column, and the third block body is separated from the second block body and is abutted against the second block body. The second block continues to move to the leftmost end along with the support table. The supporting table moves to the leftmost end and then returns to move rightwards, when the first limiting block meets the second limiting block, the first block is abutted against the fourth block, the second block is driven to be separated from the second limiting post, the second elastic assembly is compressed at the moment, a certain buffering effect is achieved, when the second elastic assembly is completely compressed, the fourth block limits the right movement of the first block, the first block is made to move leftwards on the first sliding rail, the first elastic assembly is stretched at the moment, vibration when the supporting table moves is further buffered, when the first block moves to the first bending portion, the first block rotates to enable the first arc portion and the first limiting post to be clamped, at the moment, the first block is separated from the fourth block to be abutted, and the supporting table can continue to move to the rightmost end. The supporting platform moves to the leftmost end and then returns to move leftwards, the second block body is abutted against the third block body when the first limiting block meets the second limiting block, and then the actions are repeated, so that the supporting platform can buffer when reciprocating, the vibration during moving is reduced, and the precision is improved.
In this technical scheme, first elastic component includes first spring and first attenuator, and first spring coupling first block, and the second block is connected to first attenuator, second elastic component includes second spring and second attenuator, and second spring coupling third block, and the fourth block is connected to the second attenuator, and first attenuator is the same with the second attenuator structure, all includes first barrel, second barrel, third barrel and fourth barrel. The first barrel is sleeved with the second barrel, the second barrel is sleeved with the third barrel, and the third barrel is externally fixed with the fourth barrel. One end of the first cylinder is an open end, and the other end of the first cylinder is a closed end; one end of the second cylinder is an opening for the first cylinder to be embedded in, and the other end is closed; both ends of the third cylinder are open, one end of the fourth cylinder is closed, and the other end of the fourth cylinder is open. The first cylinder extends into the telescopic rod from the opening end, and the end part of the telescopic rod is connected with the second block body or the fourth block body. Meanwhile, a first cover plate is arranged on the opening end of the first barrel and covers the end part of the opening end of the second barrel, a second cover plate is arranged at the closed end of the second barrel, and the second cover plate covers the other end part of the third barrel. A movable third cover plate is arranged on one side, close to the first cover plate, in the fourth cylinder, and the third cover plate covers the first cover plate and the end part of the third cylinder. The side face, facing the fourth barrel, of the third barrel is provided with a first fixing groove, a first buffer spring is arranged in the first fixing groove, the first buffer spring penetrates through one end of the third barrel to be connected with the second cover plate, and the other end of the third barrel is connected with the third cover plate.
When the telescopic link was outwards stretched, the telescopic link drove first barrel and moves towards the opening end direction, and first apron was contradicted with the third apron and was promoted the third apron and outwards removed this moment, and first buffer spring drove the second and laps outwards removal simultaneously, and first buffer spring is stretched when the second was lapped and is contradicted with third barrel tip to play the buffering and do the effect. When the telescopic link inwards moves, the first barrel moves towards one side of the closed end, the first barrel drives one end of the second barrel, the second cover plate inwards moves together with the second barrel, the first buffer spring drives one end of the third cover plate, and the first buffer spring stretches when the third cover plate is abutted against the third barrel, so that the buffering effect is achieved.
Furthermore, a first damping component for blocking relative movement between the first cylinder and the second cylinder is arranged between the first cylinder and the second cylinder. And a second damping component for blocking the relative movement between the second cylinder and the third cylinder is arranged between the second cylinder and the third cylinder. The buffering effect can be further improved through the first damping assembly and the second damping assembly.
In this technical solution, the first damping component includes a first damping ring and a second damping ring, and the second damping component includes a third damping ring and a fourth damping ring. Set up first annular on the first barrel, set up the second annular on the first apron, first annular and second annular intercommunication constitute the first holding tank that the cross-section is L shape structure, the cross-section of first damping ring for with first holding tank assorted L shape structure and imbed in the first holding tank. The second barrel is provided with a third annular groove on the side wall facing one end of the first cover plate and facing the first barrel, a fourth annular groove is arranged on the end part of the second barrel facing one end of the first cover plate, the third annular groove and the fourth annular groove are communicated to form a second accommodating groove with an L-shaped cross section, and the second damping ring is in an L-shaped structure matched with the second accommodating groove and is embedded into the second accommodating groove. When producing relative motion between first barrel and the second barrel, through the impact and the vibration that produce when first damping ring and the second damping ring between can effectively cushion relative motion, improve stability. When the first cover plate collides with the second cylinder body, the first damping ring and the second damping ring can also be used for buffering.
Furthermore, a fifth ring groove is formed in the second barrel, a sixth ring groove is formed in the second cover plate, the fifth ring groove and the sixth ring groove are communicated to form a third accommodating groove with an L-shaped cross section, and the cross section of a third damping ring is of an L-shaped structure matched with the third accommodating groove and is embedded into the third accommodating groove. The third barrel is provided with a seventh ring groove on the side wall facing one end of the second cover plate and facing the third barrel, an eighth ring groove is arranged on the end part of the third barrel facing one end of the second cover plate, the seventh ring groove and the eighth ring groove are communicated to form a fourth accommodating groove with an L-shaped cross section, and the cross section of the fourth damping ring is of an L-shaped structure matched with the fourth accommodating groove and is embedded into the fourth accommodating groove. When relative motion is generated between the second cylinder and the third cylinder, impact and vibration generated during the relative motion can be buffered through friction between the third damping ring and the fourth damping ring, and the second cover plate can also be buffered through the third damping ring and the fourth damping ring when colliding with the third cylinder.
Furthermore, all be equipped with spacing post in first holding tank, second holding tank, third holding tank and the fourth holding tank, can carry on spacingly to first damping ring, second damping ring, third damping ring and fourth damping ring, prevent that first damping ring, second damping ring, third damping ring and fourth damping ring from droing because of the friction.
In this technical scheme, telescopic link one end is in first barrel is inserted from the open end of first barrel, and the other end is at first barrel external connection second block or fourth block. One end that the telescopic link inserted first barrel is provided with the activity and fills up, and through the removal of first telescopic link, the activity fills up and can remove in first barrel. One end in the first cylinder body, which is close to the closed end, is provided with a first elastic part, and one end in the first cylinder body, which is close to the open end, is provided with a second elastic part. First elastic component includes first conflict piece and first compression spring, and when the telescopic link removed to the closed end direction, the activity was filled in and is removed along with the telescopic link towards the closed end direction, and the activity is filled in and is contradicted and promote first conflict piece with first conflict piece to make the compression of first compression spring, play the buffering effect. The second elastic part comprises a second abutting part and a second compression spring, the telescopic rod penetrates through the second abutting part and the second compression spring, the telescopic rod moves towards the direction of the opening end of the first barrel body to enable the telescopic rod, the movable plug moves along with the telescopic rod, and the second abutting part can be pushed to compress the second compression spring when the movable plug abuts against the second abutting part, so that the buffering effect is achieved.
The invention also discloses a production process of the rocker arm grinding arc, which comprises the following steps:
s1, initializing equipment, and enabling a transverse moving mechanism and a polishing mechanism to be arranged at initial positions;
s2, putting a rocker arm workpiece to be processed into a fixing cavity of the tool;
s3, starting the air cylinder, wherein the output end of the air cylinder rises to enable the pressing block to rotate and abut against the rocker arm workpiece to enable the rocker arm workpiece to be fixed;
s4, starting the polishing mechanism to enable a polishing wheel on the polishing mechanism to descend;
s5, starting the transverse moving mechanism to enable the support table and the tool on the support table to perform reciprocating motion on the upper seat in the horizontal direction, and enabling the polishing mechanism to process the rocker arm workpiece to be reinforced;
s6, after the machining is finished, closing the polishing mechanism and the transverse moving mechanism, and enabling the polishing mechanism and the transverse moving mechanism to be arranged at initial positions;
s7, closing the air cylinder, descending the output end of the air cylinder to enable the pressing block to rotate, and enabling the pressing block to be in contact with and fixed on the rocker arm workpiece;
and S8, taking down the rocker arm workpiece, and detecting the arc surface of the rocker arm by using the detection tool.
Wherein, examine utensil and include the mainboard, be provided with detection subassembly, fixed subassembly and calibration subassembly on the mainboard, detection subassembly is connected with the bracing piece including arranging the pivot on the mainboard in, pivot in, and the pivot is kept away from to the bracing piece one end connection detection portion, and detection portion includes the strapping table of being connected with the bracing piece, is equipped with scalable and syringe needle on the strapping table and moves towards the detection pointer of pivot. The fixing part comprises a supporting block and a limiting block, a ball pin is arranged on the supporting block, one end of the rocker arm is fixed with the ball pin, and the other end of the rocker arm is abutted against the limiting block. The calibration assembly comprises a calibration pin, and the calibration pin and the arc surface of the rocker arm are positioned on the same circle with the rotating shaft as the circle center.
When the rocker arm fixing device is used, a rocker arm workpiece is fixed on the ball pin and the limiting block, so that the position of the rocker arm workpiece is fixed. The supporting rod is rotated, the detection pointer is pushed, the detection pointer slides over the calibration pin, the reading on the meter returns to zero at the moment, the supporting rod continues to be rotated, the detection pointer slides over the arc surface of the rocker arm workpiece, and whether the machining precision meets the requirement is judged through the reading change on the meter.
The invention has the beneficial effects that:
1. the frock includes first supporting seat, second supporting seat and sets up the fixing base constitution between first supporting seat and second supporting seat, sets up the connecting rod on the fixing base, sets up rotatable briquetting on the connecting rod, fixed rocking arm work piece on the first supporting seat, sets up drive briquetting pivoted cylinder on the second supporting seat, can fix the rocking arm work piece or take off through rotating the briquetting.
2. The transverse moving mechanism comprises a support and a support platform, a guide rail is arranged on the support, and a sliding block is arranged on the support platform to enable the support platform to slide on the support. Be equipped with the buffer gear who is used for slowing down a supporting bench and assaults when removing between support and the supporting bench, buffer gear includes first buffering portion and second buffering portion, and the impact and the vibration that produce when can effectively slow down a supporting bench and remove through the cooperation of first buffering portion and second buffering portion guarantee the machining precision.
3. The first buffering portion comprises a first slide rail, a first limiting block is arranged on the first slide rail and connected with a first elastic assembly, the second buffering portion comprises a second slide rail, a second limiting block is arranged on the second slide rail and connected with a second elastic assembly, and the first elastic assembly and the second elastic assembly are enabled to buffer the movement of the supporting table through stretching through mutual interference of the first limiting block and the second limiting block.
4. The first elastic component comprises a first spring connected with the first block body and a first damper connected with the second block body, the second elastic component comprises a second spring connected with the third block body and a second damper connected with the fourth block body, the first damper and the second damper are structurally identical and comprise a first barrel, a second barrel, a third barrel and a fourth barrel, meanwhile, a first damping component is arranged between the first barrel and the second barrel, a second damping component is arranged between the second barrel and the third barrel, when relative movement is generated between the first barrel and the second barrel, the first damping component can buffer, when relative movement is generated between the second barrel and the third barrel, the second damping component can buffer, vibration generated when the supporting table moves is further slowed down, and machining precision is improved.
5. The first damping assembly is composed of a first damping ring and a second damping ring, the second damping assembly is composed of a third damping ring and a fourth damping ring, the first damping ring is arranged on the first cylinder, the second damping ring is arranged on the second cylinder and corresponds to the first damping ring, impact between the first cover plate and the second cylinder can be buffered while relative movement of the first cylinder and the second cylinder is buffered through the first damping ring and the second damping ring, and vibration is reduced.
6. Telescopic link one end is provided with the activity match in inserting first barrel from the open end of first barrel and inserting one of first barrel, is provided with the first elastic component that is close to the blind end in the first barrel simultaneously and is close to the second elastic component of open end, thereby the activity plug moves in first barrel and extrudes first elastic component or second elastic component, can further cushion the removal of telescopic link, reduces the vibration that produces when propping up a supporting bench and moving.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the traversing mechanism of the present invention;
FIG. 3 is a schematic view of a damper mechanism;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic view of the construction of the first damper and the second damper;
FIG. 6 is a schematic view of the structure at B in FIG. 5;
FIG. 7 is a schematic view of the structure at C in FIG. 5;
FIG. 8 is a schematic structural view of the gauge;
wherein the reference numerals are: 100. a traversing mechanism; 200. assembling; 210. a support frame; 211. a connecting rod; 212. briquetting; 220. positioning a groove; 221. a first positioning block; 222. a second positioning block; 230. a cylinder; 231. connecting blocks; 240. a rocker arm workpiece; 300. a polishing mechanism; 400. a support table; 410. a slider; 420. a first support plate; 421. a first slide rail; 422. a first curved portion; 423. a first capture post; 500. a support; 510. a guide rail; 520. a second support plate; 521. a second slide rail; 522. a second curved portion; 523. a second position-retaining post; 600. a buffer mechanism; 610. a first block; 611. a first arc portion; 620. a second block; 630. a third block body; 631. a second arc portion; 640. a fourth block; 700. a first spring; 710. a first damper; 720. a second spring; 730. a second damper; 800. a fourth cylinder; 810. a third cylinder; 811. a first fixing groove; 812. a first buffer spring; 813. a seventh ring groove; 814. an eighth ring groove; 815. a fourth accommodating groove; 816. a fourth damping ring; 820. a second cylinder; 821. a second cover plate; 822. a fourth ring groove; 823. a third ring groove; 824. a second accommodating groove; 825. a second damping ring; 826. a fifth ring groove; 827. a sixth ring groove; 828. a third accommodating groove; 829. a third damping ring; 830. a first cylinder; 831. a first cover plate; 832. a second ring groove; 833. a first ring groove; 834. a first accommodating groove; 835. a first damping ring; 840. a telescopic rod; 841. a movable plug; 842. a first contact member; 843. a first compression spring; 844. a second contact member; 845. a second compression spring; 850. a third cover plate; 860. a limiting post; 900. a main board; 910. a rotating shaft; 920. a support bar; 930. a meter; 931. detecting a pointer; 940. a ball stud; 950. a limiting block; 960. and (6) calibrating the pin.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description clearly and completely describes the technical solution in the embodiments of the present invention with reference to the accompanying drawings:
example 1:
referring to fig. 1 and 2, the present embodiment provides a rocker arm arc grinding apparatus, including a grinding mechanism 300 capable of moving in a vertical direction and a traversing mechanism 100 capable of moving in a horizontal direction, where the grinding mechanism 300 includes a grinding wheel, a tooling 200 is installed on the traversing mechanism 100, a rocker arm workpiece 240 to be machined is installed on the tooling 200, and the rocker arm workpiece 240 is machined by the grinding wheel and the traversing mechanism 100 through reciprocating motion in the horizontal direction. The tooling 200 comprises a first supporting part, a second supporting part and a fixing part arranged between the first supporting part and the second supporting part, the first supporting part comprises a first supporting seat, the second supporting part comprises a second supporting seat, the fixing part comprises a supporting frame 210, a connecting rod 211 is arranged on the supporting frame 210, a plurality of rotatable press blocks 212 are arranged on the connecting rod 211, one ends of the press blocks 212 facing the first supporting seat and the first supporting seat form a fixed cavity for fixing a rocker arm to be machined, and a driving assembly for driving the press blocks 212 to rotate is arranged between one ends of the press blocks 212 facing the second supporting seat and the second supporting seat. The rocker arm workpiece 240 is placed in the fixing cavity, the pressing block 212 is driven to rotate through the driving assembly, the pressing block 212 is abutted to the rocker arm workpiece 240, so that the rocker arm workpiece 240 is fixed, and when the rocker arm workpiece 240 is taken down, the pressing block 212 is rotated, so that the pressing block 212 is separated from the rocker arm workpiece 240, contacted and fixed, and the installation and the taking down are facilitated.
As shown in fig. 2, in the present embodiment, preferably, the first supporting base is provided with a positioning groove 220, and a first positioning block 221 is embedded in the positioning groove 220. Set up second locating piece 222 on the first supporting seat simultaneously, second locating piece 222 includes first structural surface and second structural surface, and the side laminating of first structural surface and first supporting seat is fixed through the fastener, and first locating piece 221 of second structural surface covering part can guarantee the stability of first locating piece 221 and second location installation. The first positioning block 221 extends partially out of the positioning slot 220, and the first supporting seat, the first positioning block 221, the second positioning block 222 and the pressing block 212 together form a fixing cavity for accommodating the rocker arm workpiece 240, so that the stability of fixing the rocker arm workpiece 240 is ensured. The driving assembly comprises an air cylinder 230 arranged on the second supporting seat, an output shaft of the air cylinder 230 is connected with a connecting block 231, the connecting block 231 is connected with a pressing block 212, and the air cylinder 230 can drive the pressing block 212 to rotate, so that one end of the pressing block 212, facing the first supporting seat, is abutted against or separated from a rocker arm workpiece 240, and the rocker arm workpiece 240 is convenient to fix and take down. The output shaft of one air cylinder 230 is connected with two connecting blocks 231, and the two adjacent pressing blocks 212 corresponding to the adjacent air cylinders 230 are connected through the fixing blocks, so that the action consistency of all the pressing blocks can be ensured, and the efficiency is improved.
Example 2:
referring to fig. 2, 3 and 4, the present embodiment provides a rocker arm arc grinding device, and in addition to the technical features of the above embodiment, the present embodiment further includes the following technical features.
As shown in fig. 2, the traverse mechanism 100 includes a support 500, the support 500 is connected to the support platform 400 through a traverse component, and the tool 200 is mounted on the support platform 400. The traverse assembly includes a guide rail 510 mounted on the carriage 500 and a slider 410 mounted on the support table 400, the support table 400 being movable on the carriage 500 while the slider 410 is movable on the guide rail 510. The support table 400 is connected to a driving mechanism for driving the support table 400 to move so that the support table 400 reciprocates horizontally on the support frame 500. Be equipped with the buffer gear 600 who is used for slowing down the impact when propping up supporting bench 400 removes between support 500 and the supporting bench 400, the vibration of supporting bench 400 when can effectively reducing to remove improves the machining precision.
As shown in fig. 3 and 4, in the present embodiment, the buffer mechanism 600 preferably includes a first buffer portion and a second buffer portion. The first buffer portion includes a first support plate 420 disposed at one side of the support stage 400 facing the support stage 500, and the second buffer portion includes a second support plate 520 disposed at one side of the support stage 500 facing the support stage 400, the first support plate 420 being disposed opposite to the second support plate 520. A first slide rail 421 is disposed on one surface of the first support plate 420 facing the second support plate 520, and a second slide rail 521 corresponding to the first slide rail 421 is disposed on the second support plate 520. Set up first stopper on the first slide rail 421, first stopper is connected with first elastic component, sets up the second stopper on the second slide rail 521, and the second stopper is connected with second elastic component. The first limiting block comprises a first block body 610 and a second block body 620, the first block body 610 and the second block body 620 are rotatably connected and arranged in a staggered mode, the second limiting block comprises a third block body 630 and a fourth block body 640, the third block body 630 and the fourth block body 640 are rotatably connected and arranged in a staggered mode, the first block body 610 and the fourth block body 640 are arranged on the same plane, and the second block body 620 and the third block body 630 are arranged on the same plane. One end of the first slide rail 421, which is far away from the first elastic component, is provided with a first bending portion 422, the inner side of the first bending portion 422 is provided with a first clamping column 423, and the first block 610 is provided with a first arc portion 611 which is matched with the first clamping column 423. One end of the second sliding rail 521, which is far away from the second elastic component, is provided with a second bending portion 522, an inner side of the second bending portion 522 is provided with a second catching column 523, and the third block 630 is provided with a second arc portion 631 engaged with the second catching column 523. The first block 610 is located to the left of the second block 620 with the first block 610 on top and the second block 620 on the bottom, offset from each other. The third block 630 is located to the left of the fourth block 640, with the fourth block 640 on top and the third block 630 on bottom, offset from each other.
When the supporting table 400 moves leftwards, the second block 620 abuts against the third block 630, so that the first limiting block drives the second limiting block to move, the second elastic assembly stretches, the movement of the supporting table 400 is buffered, and the vibration is reduced. When the third block 630 moves to the second bending portion 522, the third block 630 rotates, the arc portion of the third block 630 is locked by the second limiting post 860, and the third block 630 is disengaged from the second block 620. The second block 620 continues to move with the support table 400 to the leftmost end. The supporting platform 400 returns to move rightwards after moving to the leftmost end, when the first limiting block meets the second limiting block, the first block 610 is abutted against the fourth block 640 to drive the second block 620 to separate from the second limiting column 860, at the moment, the second elastic component is compressed to play a certain buffering role, when the second elastic component is completely compressed, the fourth block 640 limits the first block to move rightwards, so that the first block 610 moves leftwards on the first sliding rail 421, at the moment, the first elastic component is stretched to further buffer the vibration when the supporting platform 400 moves, when the first block 610 moves to the first bending part 422, the first block 610 rotates to enable the first arc part 611 to be clamped with the first limiting column 860, at the moment, the first block 610 is separated from the fourth block 640 to be abutted, and the supporting platform 400 can continue to move to the rightmost end. The supporting table 400 of the supporting table 400 moves to the leftmost end and then returns to move leftward, the second block 620 collides with the third block 630 when the first stopper meets the second stopper, and then the above actions are repeated, so that the supporting table 400 can buffer when reciprocating, the vibration during movement is reduced, and the precision is improved.
Example 3:
referring to fig. 5, the present embodiment provides a rocker arm arc grinding apparatus, which includes the following technical features in addition to the technical features of the above embodiment.
As shown in fig. 5, the first elastic assembly includes a first spring 700 and a first damper 710, the first spring 700 is connected to the first block 610, the first damper 710 is connected to the second block 620, the second elastic assembly includes a second spring 720 and a second damper 730, the second spring 720 is connected to the third block 630, the second damper 730 is connected to the fourth block 640, and the first damper 710 and the second damper 730 have the same structure and each include a first cylinder 830, a second cylinder 820, a third cylinder 810 and a fourth cylinder 800. The first cylinder 830 is sleeved with the second cylinder 820, the second cylinder 820 is sleeved with the third cylinder 810, and the fourth cylinder 800 is fixed outside the third cylinder 810. One end of the first cylinder 830 is an open end, and the other end is a closed end; one end of the second cylinder 820 is open for the first cylinder 830 to be inserted into, and the other end is closed; both ends of the third cylinder 810 are open, and one end of the fourth cylinder 800 is closed and the other end is open. The first cylinder 830 extends into the telescopic rod 840 from the opening end, and the end of the telescopic rod 840 is connected with the second block 620 or the fourth block 640. Meanwhile, a first cover 831 is arranged on the open end of the first cylinder 830, the first cover 831 covers the end of the open end of the second cylinder 820, a second cover 821 is arranged on the closed end of the second cylinder 820, and the second cover 821 covers the other end of the third cylinder 810. A movable third cover 850 is disposed in the fourth cylinder 800 at a side close to the first cover 831, and the third cover 850 covers the first cover 831 and an end of the third cylinder 810. A first fixing groove 811 is formed on a side surface of the third cylinder 810 facing the fourth cylinder 800, a first buffer spring 812 is disposed in the first fixing groove 811, the first buffer spring 812 passes through one end of the third cylinder 810 and is connected to the second cover 821, and the other end of the first buffer spring is connected to the third cover 850.
When the telescopic rod 840 is stretched outwards, the telescopic rod 840 drives the first cylinder 830 to move towards the opening end, at this time, the first cover plate 831 is abutted to the third cover plate 850 and pushes the third cover plate 850 to move outwards, and the first buffer spring 812 drives the second cover plate 821 to move outwards at the same time, and when the second cover plate 821 is abutted to the end of the third cylinder 810, the first buffer spring 812 is stretched, so that the buffering effect is achieved. When the telescopic rod 840 moves inwards, the first cylinder 830 moves towards one side of the closed end, the first cylinder 830 drives one end of the second cylinder 820, the second cover plate 821 moves inwards together with the second cylinder 820, the first buffer spring 812 drives one end of the third cover plate 850, and the first buffer spring 812 stretches when the third cover plate 850 abuts against the third cylinder 810, so that a buffering effect is achieved.
As shown in fig. 5, in this embodiment, preferably, one end of the telescopic rod 840 is inserted into the first cylinder 830 from the open end of the first cylinder 830, and the other end is connected to the second block 620 or the fourth block 640 outside the first cylinder 830. The telescopic rod 840 is provided with a movable plug 841 at one end inserted into the first cylinder 830, and the movable plug 841 can move in the first cylinder 830 by the movement of the first telescopic rod 840. A first elastic part is arranged at one end of the first cylinder 830 close to the closed end, and a second elastic part is arranged at one end close to the open end. The first elastic part includes a first contact member 842 and a first compression spring 843, when the telescopic rod 840 moves towards the closed end, the movable plug 841 moves towards the closed end along with the telescopic rod 840, and the movable plug 841 collides with the first contact member 842 and pushes the first contact member 842, so that the first compression spring 843 is compressed, and a buffering effect is achieved. The second elastic portion includes a second abutting member 844 and a second compression spring 845, the telescopic rod 840 passes through the second abutting member 844 and the second compression spring 845, when the telescopic rod 840 moves toward the opening end of the first cylinder 830, the movable plug 841 moves along with the telescopic rod 840, and when the movable plug 841 collides with the second abutting member 844, the movable plug 841 can push the second abutting member 844 to compress the second compression spring 845, thereby performing a buffering function.
Example 4:
referring to fig. 6 and 7, the present embodiment provides a rocker arm arc grinding device, and in addition to the technical features of the above embodiment, the present embodiment further includes the following technical features.
As shown in fig. 6, the first damping assembly includes a first damping ring 835 and a second damping ring 825, and the second damping assembly includes a third damping ring 829 and a fourth damping ring 816. Set up first annular groove 833 on the first barrel 830, set up second annular groove 832 on the first apron 831, first annular groove 833 communicates with second annular groove 832 and constitutes the first holding tank 834 that the cross-section is the L shape structure, and the cross-section of first damping ring 835 is for the L shape structure with first holding tank 834 assorted and imbeds in the first holding tank 834. The second cylinder 820 is provided with a third ring groove 823 on the side wall facing one end of the first cover plate 831 and facing the first cylinder 830, the end of the second cylinder facing one end of the first cover plate 831 is provided with a fourth ring groove 822, the third ring groove 823 is communicated with the fourth ring groove 822 to form a second accommodating groove 824 with an L-shaped cross section, and the second damping ring 825 is in an L-shaped structure matched with the second accommodating groove 824 and is embedded into the second accommodating groove 824. When relative motion is generated between the first cylinder 830 and the second cylinder 820, impact and vibration generated during the relative motion can be effectively buffered through friction between the first damping ring 835 and the second damping ring 825, and stability is improved. When the first cover 831 collides with the second cylinder 820, the first damping ring 835 and the second damping ring 825 also perform buffering.
As shown in fig. 7, in this embodiment, preferably, a fifth ring groove 826 is disposed on the second cylinder 820, a sixth ring groove 827 is disposed on the second cover plate 821, the fifth ring groove 826 is communicated with the sixth ring groove 827 to form a third receiving groove 828 with an L-shaped cross section, and the third damping ring 829 has an L-shaped cross section matching the third receiving groove 828 and is embedded in the third receiving groove 828. A seventh ring groove 813 is formed in the side wall, facing one end of the second cover plate 821, of the third cylinder 810, an eighth ring groove 814 is formed in the end, facing one end of the second cover plate 821, of the third cylinder 810, the seventh ring groove 813 is communicated with the eighth ring groove 814 to form a fourth accommodating groove 815 with an L-shaped cross section, and the cross section of the fourth damping ring 816 is in an L-shaped structure matched with the fourth accommodating groove 815 and is embedded into the fourth accommodating groove 815. When the second cylinder 820 and the third cylinder 810 generate relative motion, the friction between the third damping ring 829 and the fourth damping ring 816 can buffer the impact and vibration generated during the relative motion, and the second cover plate 821 and the third cylinder 810 can also buffer through the third damping ring 829 and the fourth damping ring 816 when colliding and colliding.
As shown in fig. 6 and 7, in the embodiment, preferably, the first receiving groove 834, the second receiving groove 824, the third receiving groove 828 and the fourth receiving groove 815 are respectively provided with a limiting column 860 therein, so as to limit the first damping ring 835, the second damping ring 825, the third damping ring 829 and the fourth damping ring 816, and prevent the first damping ring 835, the second damping ring 825, the third damping ring 829 and the fourth damping ring 816 from falling off due to friction.
Example 5:
as shown in fig. 8, the embodiment provides a production process for grinding an arc of a rocker arm, which includes the following steps:
s1, initializing equipment, and enabling the transverse moving mechanism 100 and the polishing mechanism 300 to be arranged at initial positions;
s2, placing a rocker arm workpiece 240 to be processed into a fixing cavity of the tool 200;
s3, starting the air cylinder 230, and enabling the output end of the air cylinder 230 to ascend to enable the pressing block to rotate and abut against the rocker arm workpiece 240 to enable the rocker arm workpiece 240 to be fixed;
s4, starting the polishing mechanism 300 to enable the polishing wheel on the polishing mechanism 300 to descend;
s5, starting the transverse moving mechanism 100 to enable the support platform 400 and the tool 200 on the support platform 400 to perform reciprocating motion in the horizontal direction, so that the grinding mechanism 300 processes the rocker arm workpiece 240 to be reinforced;
s6, after the machining is finished, closing the polishing mechanism 300 and the transverse moving mechanism 100, and enabling the polishing mechanism 300 and the transverse moving mechanism 100 to be arranged at initial positions;
s7, closing the air cylinder 230, descending the output end of the air cylinder 230 to enable the pressing block to rotate, and enabling the pressing block to be in contact with and fixed on the rocker arm workpiece 240;
and S8, taking down the rocker arm workpiece 240, and detecting the arc surface of the rocker arm by using the detection tool.
The gauge comprises a mainboard 900, a detection assembly, a fixed assembly and a calibration assembly are arranged on the mainboard 900, the detection assembly comprises a rotating shaft 910 arranged on the mainboard 900, the rotating shaft 910 is connected with a supporting rod 920, one end, far away from the rotating shaft 910, of the supporting rod 920 is connected with a detection portion, the detection portion comprises a gauge table 930 connected with the supporting rod 920, and a detection pointer 931, which is telescopic and has a needle head facing the rotating shaft 910, is arranged on the gauge table 930. The fixing part comprises a supporting block and a limiting block 950, the supporting block is provided with a ball pin 940, one end of the rocker arm is fixed with the ball pin 940, and the other end of the rocker arm is abutted against the limiting block 950. The calibration assembly comprises a calibration pin 960, and the calibration pin 960 and the arc surface of the rocker arm are positioned on the same circle with the rotating shaft 910 as the center of circle.
When in use, the rocker arm workpiece 240 is fixed on the ball stud 940 and the limiting block 950, so that the positions of the rocker arm workpiece are fixed. The supporting rod 920 is rotated, the detection pointer 931 is pushed to slide over the calibration pin 960, the reading of the meter 930 is zeroed, the supporting rod 920 is rotated continuously, the detection pointer 931 slides over the arc surface of the rocker arm workpiece 240, and whether the machining precision meets the requirement or not is judged according to the reading change of the meter 930.
The above-mentioned embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained by those skilled in the art based on the above-mentioned embodiments should also belong to the protection scope of the present invention without any creative effort, so that: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. A rocker arm arc grinding device comprises a transverse moving mechanism (100) capable of moving in a vertical direction and a grinding mechanism (300) capable of moving in a horizontal direction, wherein a tool (200) is arranged on the transverse moving mechanism (100), and is characterized in that the tool (200) comprises a first supporting part, a second supporting part and a fixing part arranged between the first supporting part and the second supporting part,
the first support part comprises a first support seat,
the second supporting part comprises a second supporting seat,
the fixing part comprises a support frame (210), a connecting rod (211) is arranged on the support frame (210), a plurality of rotatable pressing blocks (212) are arranged on the connecting rod (211), one end of each pressing block (212) facing the first support seat and the first support seat form a fixing cavity for fixing the rocker arm to be machined, a driving component for driving each pressing block (212) to rotate is arranged between one end of each pressing block (212) facing the second support seat and the second support seat,
sideslip mechanism (100) include support (500), and support (500) are gone up to lead to sideslip subassembly and are connected brace table (400), frock (200) are arranged in on brace table (400), the sideslip subassembly includes:
a guide rail (510) disposed on the bracket (500);
a slider (410) which is disposed on the support table (400) and is slidable on the guide rail (510);
a driving mechanism which is connected with the support platform (400) and drives the support platform (400) to move on the bracket (500);
wherein a buffer mechanism (600) for buffering the impact when the support table (400) moves is arranged between the bracket (500) and the support table (400),
the buffer mechanism (600) comprises a first buffer part and a second buffer part,
the first buffer part comprises a first supporting plate (420) which is arranged on one surface, facing the bracket (500), of the supporting table (400), a first sliding rail (421) is arranged on the first supporting plate (420), a first limiting block is arranged on the first sliding rail (421), a first elastic assembly is arranged on the first supporting plate (420), and the first limiting block is connected with the first elastic assembly;
the second buffer part comprises a second supporting plate (520) which is arranged on one surface, facing the supporting table (400), of the support (500), a second sliding rail (521) is arranged on the second supporting plate (520), the second sliding rail (521) is arranged opposite to the first sliding rail (421), a second limiting block is arranged on the second sliding rail (521), and a second elastic component connected with the limiting block is arranged on the second supporting plate (520);
the first limiting block comprises a first block body (610) and a second block body (620), the first block body (610) is rotatably connected with the second block body (620), and the first block body (610) and the second block body (620) are arranged in a staggered mode;
the second limiting block comprises a third block body (630) and a fourth block body (640), the third block body (630) is rotatably connected with the fourth block body (640), the third block body (630) and the fourth block body (640) are arranged in a staggered mode, the third block body (630) and the second block body (620) are arranged on the same plane and can mutually abut against each other, and the fourth block body (640) and the first block body (610) are arranged on the same plane and can mutually abut against each other;
one end, far away from the first elastic component, of the first sliding rail (421) is provided with a first bending portion (422), the inner side of the first bending portion (422) is provided with a first clamping column (423), one end, far away from the second elastic component, of the second sliding rail (521) is provided with a second bending portion (522), and the inner side of the second bending portion (522) is provided with a second clamping column (523).
2. The rocker arm arc grinding device according to claim 1, wherein the first support base is provided with:
a positioning groove (220) arranged on the upper end surface of the first supporting seat;
a first positioning block (221) embedded in the positioning groove (220);
and the second positioning block (222) comprises a first structural surface and a second structural surface, the first structural surface is attached to the side surface of the first supporting part, and the second structural surface partially covers the first positioning block (221).
3. The rocker arm rounding device of claim 1, wherein said drive assembly comprises:
a cylinder (230) for providing power;
the connecting block (231) is connected with the output end of the air cylinder (230) and the pressing block (212);
the air cylinders (230) are connected with the connecting block (231), and the two adjacent pressing blocks (212) corresponding to the adjacent air cylinders (230) are connected through the fixing blocks.
4. A rocker arm rounding device according to claim 1, characterized in that said first elastic assembly comprises a first spring (700) and a first damper (710), the first spring (700) being connected to the first block (610), the first damper (710) being connected to the second block (620), said second elastic assembly comprises a second spring (720) and a second damper (730), the second spring (720) being connected to the third block (630), the second damper (730) being connected to the fourth block (640), said first damper (710) and said second damper (730) being structurally identical, each comprising a first cylinder (830), a second cylinder (820), a third cylinder (810) and a fourth cylinder (800),
one end of the first cylinder (830) is an open end, the other end of the first cylinder is a closed end, an expansion rod (840) inserted from the open end is arranged in the first cylinder (830), and a first cover plate (831) is arranged on the open end of the first cylinder (830);
the second cylinder (820) is sleeved outside the first cylinder (830) and one end of the second cylinder (820), which is close to the closed end of the first cylinder (830), is closed, the other end of the second cylinder is provided with an opening and is abutted against the first cover plate (831), and one end of the second cylinder (820), which is close to the closed end of the first cylinder (830), is provided with a second cover plate (821);
the third cylinder body (810) is sleeved outside the second cylinder body (820), two ends of the third cylinder body are both provided with openings, and the second cover plate (821) is abutted to the third cylinder body (810);
the fourth cylinder (800) is fixed outside the third cylinder (810), a third cover plate (850) arranged on one side of the first cover plate (831) is arranged in the fourth cylinder (800), and the third cover plate (850) can move in the fourth cylinder (800);
a first fixing groove (811) is formed in the side surface, facing the fourth cylinder (800), of the third cylinder (810), a first buffer spring (812) is arranged in the first fixing groove (811), one end, penetrating through the third cylinder (810), of the first buffer spring (812) is connected with the second cover plate (821), and the other end of the first buffer spring is connected with the third cover plate (850);
a first damping component for blocking the relative movement between the first cylinder (830) and the second cylinder (820) is arranged between the first cylinder (830) and the second cylinder (820);
and a second damping component for blocking the relative movement between the second cylinder (820) and the third cylinder (810) is arranged between the second cylinder (820) and the third cylinder (810).
5. The rocker arm rounding device according to claim 4, characterized in that the first damping assembly comprises a first damping ring (835) and a second damping ring (825), the second damping assembly comprises a third damping ring (829) and a fourth damping ring (816),
the cross section of the first damping ring (835) is L-shaped and is sleeved at the joint of the first cylinder (830) and the first cover plate (831), a first annular groove (833) is arranged on the first cylinder (830), a second annular groove (832) is arranged on the cover plate, the first annular groove (833) and the second annular groove (832) are communicated to form a first accommodating groove (834), and the first damping ring (835) is embedded into the first accommodating groove (834);
the cross section of the second damping ring (825) is L-shaped and is sleeved at the end part of the second cylinder body (820) facing one end of the first cover plate (831), the side wall of the second cylinder body (820) facing one end of the first cover plate (831) and facing the first cylinder body (830) is provided with a third ring groove (823), the end part of the second cylinder body facing one end of the first cover plate (831) is provided with a fourth ring groove (822), the third ring groove (823) is communicated with the fourth ring groove (822) to form a second accommodating groove (824), and the second damping ring (825) is embedded into the second accommodating groove (824);
the cross section of the third damping ring (829) is L-shaped and is sleeved at the connection position of the second cylinder body (820) and the second cover plate (821), a fifth ring groove (826) is arranged on the second cylinder body (820), a sixth ring groove (827) is arranged on the second cover plate (821), the fifth ring groove (826) and the sixth ring groove (827) are communicated to form a third accommodating groove (828), and the third damping ring (829) is embedded into the third accommodating groove (828);
the cross section of the fourth damping ring (816) is L-shaped and is sleeved at the end part of the third cylinder body (810) facing one end of the second cover plate (821), a seventh ring groove (813) is arranged on the side wall of the third cylinder body (810) facing one end of the second cover plate (821) and facing the second cylinder body (820), an eighth ring groove (814) is arranged at the end part of the third cylinder body (810) facing one end of the second cover plate (821), the seventh ring groove (813) is communicated with the eighth ring groove (814) to form a fourth accommodating groove (815), and the fourth damping ring (816) is embedded into the fourth accommodating groove (815);
the first accommodating groove (834), the second accommodating groove (824), the third accommodating groove (828) and the fourth accommodating groove (815) are all provided with limiting columns (860).
6. The rocker arm rounding device according to claim 4, characterized in that inside said first cylinder (830) there are provided:
the movable plug (841) is arranged at one end of the telescopic rod (840) extending into the first cylinder body (830) and can move in the first cylinder body (830);
the first elastic part is arranged at one end close to the closed end in the first cylinder (830);
the second elastic part is arranged at one end close to the opening end in the first cylinder (830);
wherein the content of the first and second substances,
the first elastic part comprises a first abutting part (842) and a first compression spring (843), one end of the first compression spring (843) is connected with the first abutting part (842), the other end is connected with the closed end of the first cylinder (830),
the second elastic part comprises a second abutting part (844) and a second compression spring (845), one end of the second compression spring (845) is connected with the second abutting part (844), the other end of the second compression spring (845) is connected with the open end of the first barrel (830), and the telescopic rod (840) penetrates through the second abutting part (844) and the second compression spring (845).
7. A rocker arm arc grinding production process using the rocker arm arc grinding device of any one of claims 1 to 6, characterized by comprising the following steps:
s1, initializing rocker arm arc grinding equipment, and enabling a transverse moving mechanism (100) and a grinding mechanism (300) to be arranged at initial positions;
s2, placing a rocker arm workpiece (240) to be processed into a fixing cavity of the tool (200);
s3, starting the air cylinder (230), wherein the output end of the air cylinder (230) rises to enable the pressing block to rotate and abut against the rocker arm workpiece (240) to enable the rocker arm workpiece (240) to be fixed;
s4, starting the polishing mechanism (300) to enable a polishing wheel on the polishing mechanism (300) to descend;
s5, starting the transverse moving mechanism (100), enabling the support table (400) and the tool (200) on the support table (400) to perform reciprocating motion in the horizontal direction, and enabling the grinding mechanism (300) to process the rocker arm workpiece (240) to be reinforced;
s6, after the machining is finished, closing the polishing mechanism (300) and the transverse moving mechanism (100) to enable the polishing mechanism (300) and the transverse moving mechanism (100) to be arranged at initial positions;
s7, closing the air cylinder (230), descending the output end of the air cylinder (230) to enable the pressing block to rotate, and enabling the pressing block to be in contact with and fixed on the rocker arm workpiece (240);
and S8, taking down the rocker arm workpiece (240), and detecting the arc surface of the rocker arm by using the detection tool.
8. The production process of the rocker arm grinding arc according to claim 7, wherein the gauge comprises a main plate (900), a detection component, a fixing component and a calibration component are arranged on the main plate (900),
the detection assembly comprises a rotating shaft (910) arranged on the main board (900), the rotating shaft (910) is connected with a supporting rod (920), and one end, far away from the rotating shaft (910), of the supporting rod (920) is connected with a detection part;
the fixing component comprises a supporting block and a limiting block (950), a ball pin (940) is arranged on the supporting block, one end of the rocker arm is fixed with the ball pin (940), and the other end of the rocker arm is abutted against the limiting block (950);
the calibration assembly comprises a calibration pin (960), and the calibration pin (960) and the arc surface of the rocker arm are positioned on the same circle with the rotating shaft (910) as the center of circle;
the detection part comprises a meter (930) connected with the support rod (920), and a detection pointer (931) which is telescopic and has a needle head facing the rotating shaft (910) is arranged on the meter (930).
CN202210207507.9A 2022-03-03 2022-03-03 Rocker arm arc grinding equipment and production process thereof Active CN114700840B (en)

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CN202210207507.9A CN114700840B (en) 2022-03-03 2022-03-03 Rocker arm arc grinding equipment and production process thereof

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JP2008142782A (en) * 2006-12-06 2008-06-26 Okamoto Machine Tool Works Ltd Flattening device of hydrostatic bearing
CN102179460B (en) * 2011-04-11 2012-10-03 李亮 Buffer system of flexible plate punching machine
CN202858378U (en) * 2012-08-15 2013-04-10 东莞市博锐特五金塑胶制品有限公司 Sliding rail
CN203031457U (en) * 2012-12-26 2013-07-03 浙江强能动力有限公司 Combined clamp of grinding rocker
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