阅读说明：本技术 一种隔振弹簧的专用强化研磨设备及研磨方法 (Special reinforced grinding equipment and grinding method for vibration isolation spring ) 是由 刘晓初 沈忠健 梁忠伟 管广鸿 何森 陈泽威 萧金瑞 于 2021-06-15 设计创作，主要内容包括：本发明公开一种隔振弹簧的专用强化研磨设备及研磨方法,其中的研磨设备包括外箱、滚筒及研磨驱动机构；所述滚筒内设有夹紧机构,该夹紧机构包括固定锁紧卡盘、移动锁紧卡盘以及伸缩驱动机构,所述固定锁紧卡盘固定连接在所述滚筒中,所述移动锁紧卡盘与所述固定锁紧卡盘相对设置且滑动设置在所述滚筒中,在所述伸缩驱动机构的驱动下,所述移动锁紧卡盘沿着滚筒的轴向方向靠近或远离所述固定锁紧卡盘；还包括用于驱动所述外箱摆动的摆动驱动机构,在摆动驱动机构的驱动下,所述外箱及所述滚筒绕着所述外箱的横向轴摆动,所述横向轴与所述滚筒的轴线相互垂直。本发明实现隔振弹簧的全方位研磨强化加工,进一步提高隔振弹簧的性能。(The invention discloses special reinforced grinding equipment and a grinding method for an isolation spring, wherein the grinding equipment comprises an outer box, a roller and a grinding driving mechanism; the roller is internally provided with a clamping mechanism, the clamping mechanism comprises a fixed locking chuck, a movable locking chuck and a telescopic driving mechanism, the fixed locking chuck is fixedly connected in the roller, the movable locking chuck and the fixed locking chuck are oppositely arranged and are arranged in the roller in a sliding manner, and the movable locking chuck is close to or far away from the fixed locking chuck along the axial direction of the roller under the driving of the telescopic driving mechanism; the outer box and the roller swing around a transverse shaft of the outer box under the driving of the swing driving mechanism, and the transverse shaft is perpendicular to the axis of the roller. The invention realizes the omnibearing grinding and strengthening processing of the vibration isolation spring and further improves the performance of the vibration isolation spring.)

1. A special reinforced grinding device for vibration isolation springs comprises an outer box, a roller and a grinding driving mechanism for driving the roller to rotate, wherein the roller is rotatably connected to the outer box, a taking and placing opening for the vibration isolation springs to enter and exit the roller is formed in the roller, and a taking and placing plate detachably connected to the roller is arranged on the taking and placing opening; the vibration isolation spring clamping device is characterized in that a clamping mechanism for clamping a vibration isolation spring is arranged in the roller and comprises a fixed locking chuck, a movable locking chuck and a telescopic driving mechanism for driving the movable locking chuck to move, the fixed locking chuck is fixedly connected in the roller, the movable locking chuck and the fixed locking chuck are oppositely arranged and are arranged in the roller in a sliding manner, and the movable locking chuck is close to or far away from the fixed locking chuck along the axial direction of the roller under the driving of the telescopic driving mechanism; the outer box and the roller swing around a transverse shaft of the outer box under the driving of the swing driving mechanism, and the transverse shaft is perpendicular to the axis of the roller.

2. The special intensified grinding equipment for the vibration isolation spring as claimed in claim 1, wherein the bottom of the outer box is provided with a support base, the support base is fixedly arranged on the frame, the bottom of the outer box is rotatably connected with the support base, and the rotary connection part of the bottom of the outer box and the support base forms the transverse shaft.

3. The special intensified grinding equipment for the vibration isolation spring as claimed in claim 1 or 2, wherein a swing guide mechanism is arranged between the outer box and the frame, the swing guide mechanism comprises a guide rail extending vertically and a slide block, the slide block is arranged on the guide rail in a matching manner, and the slide block is rotatably connected with the outer box.

4. The special intensified grinding apparatus for vibration isolation springs of claim 3, wherein said four sets of swing guides are provided, and are provided in one-to-one correspondence with corners of the bottom of said outer case.

5. The special intensified grinding equipment for vibration isolation springs according to claim 4, wherein a linkage assembly is disposed between the two sets of oscillating guide mechanisms located on the same side, the linkage assembly comprises a support rod and a linkage swing rod, the support rod is disposed between the two sets of oscillating guide mechanisms located on the same side, two ends of the linkage swing rod are respectively rotatably connected with the sliding blocks of the two sets of oscillating guide mechanisms, and the middle portion of the linkage swing rod is rotatably connected with the support rod.

6. The special intensified grinding equipment for the vibration isolation spring as claimed in claim 5, wherein the swing driving mechanism comprises a rotary table, a swing power source for driving the rotary table to rotate, and a driving connecting rod, one end of the driving connecting rod is rotatably connected with the sliding block, the other end of the driving connecting rod is rotatably connected with the rotary table, and the rotating connecting point of the driving connecting rod and the rotary table is eccentrically arranged with the center of the rotary table.

7. The special intensified grinding equipment for the vibration isolation spring as claimed in claim 6, wherein a connecting shaft is provided on the turntable, and an end of the driving link is rotatably connected with the connecting shaft; the turntable is provided with a plurality of mounting holes for mounting the connecting shafts, and the mounting holes are arranged along the radial direction.

8. The special intensified grinding equipment for the vibration isolation springs as claimed in claim 1, wherein the fixed locking chuck is provided with a positioning support member extending along a bearing direction of the drum, and an outer end of the positioning support member is provided with a support portion for supporting the vibration isolation springs; the positioning support constitutes one of the jaws of the fixed lock chuck.

9. The special intensified grinding apparatus for vibration isolation springs of claim 8, wherein said movable locking chuck is provided with an auxiliary support member, which is connected with one of the jaws of the movable locking chuck through a connecting rod; the supporting direction of the auxiliary supporting piece is opposite to the supporting direction of the supporting part of the positioning supporting piece.

10. A grinding method for implementing the special intensified grinding apparatus for the vibration isolation spring according to any one of claims 1 to 9, characterized by comprising the steps of:

(1) placing the vibration isolation spring to be processed into a roller, and positioning and clamping the vibration isolation spring through a clamping mechanism;

(2) adding mixed grinding materials into the roller, wherein the grinding materials comprise grinding steel balls, grinding powder and reinforced grinding modification liquid, and loading a taking and placing plate;

(3) the grinding driving mechanism drives the roller to rotate, the swing driving mechanism drives the outer box and the roller to swing in a reciprocating mode, the telescopic driving mechanism drives the movable locking chuck in the clamping mechanism to move back and forth, and the vibration isolation spring is driven to stretch and contract in the grinding process;

(4) after the specified time of processing, the grinding driving mechanism, the swinging driving mechanism and the telescopic driving mechanism stop driving, the taking and placing plate is opened, and after the vibration isolation spring is loosened by the clamping mechanism, the vibration isolation spring is taken out, so that the reinforced grinding processing is completed.

Technical Field

The invention relates to grinding equipment, in particular to special reinforced grinding equipment and a grinding method for an isolation spring.

Background

The vibration isolation spring has wide application range, is convenient to install and has good vibration isolation and vibration reduction effects; meanwhile, the vibration isolation spring has good mechanical performance, can resist corrosion of oil, water and the like, and is not influenced by temperature change. The reinforced grinding machine is equipment for optimizing and enhancing the performance of certain parts, and the performance of the parts can be further improved through the ground parts, so that the using effect and the service life of the parts are improved. In the prior art, a machine for performing reinforced grinding on the vibration isolation spring is lacked, so that a special reinforced grinding device for the vibration isolation spring is required to be provided.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides special reinforced grinding equipment for the vibration isolation spring, which realizes the grinding and reinforcing processing of the vibration isolation spring and further improves the performance of the vibration isolation spring.

The invention also aims to provide a special reinforced grinding method for the vibration isolation spring.

The purpose of the invention is realized by the following technical scheme:

a special reinforced grinding device for vibration isolation springs comprises an outer box, a roller and a grinding driving mechanism for driving the roller to rotate, wherein the roller is rotatably connected to the outer box, a taking and placing opening for the vibration isolation springs to enter and exit the roller is formed in the roller, and a taking and placing plate detachably connected to the roller is arranged on the taking and placing opening; the vibration isolation spring clamping device is characterized in that a clamping mechanism for clamping a vibration isolation spring is arranged in the roller and comprises a fixed locking chuck, a movable locking chuck and a telescopic driving mechanism for driving the movable locking chuck to move, the fixed locking chuck is fixedly connected in the roller, the movable locking chuck and the fixed locking chuck are oppositely arranged and are arranged in the roller in a sliding manner, and the movable locking chuck is close to or far away from the fixed locking chuck along the axial direction of the roller under the driving of the telescopic driving mechanism; the outer box and the roller swing around a transverse shaft of the outer box under the driving of the swing driving mechanism, and the transverse shaft is perpendicular to the axis of the roller.

The working principle of the special reinforced grinding equipment for the vibration isolation spring is as follows:

firstly, opening a pick-and-place plate, placing an isolation spring to be ground into a roller, driving a movable locking chuck through a telescopic driving mechanism, and adjusting the distance between the movable locking chuck and a fixed locking chuck, so that the fixed locking chuck and the movable locking chuck clamp and lock two ends of the isolation spring; then, adding corresponding grinding materials into the roller, and then installing the taking and placing plate; next, the roller rotates under the drive of the grinding drive mechanism, in the rotating process, the vibration isolation springs clamped on the fixed locking chuck and the movable locking chuck rotate together, and the grinding materials in the roller grind and strengthen the vibration isolation springs by friction, smashing or other modes; meanwhile, in the grinding process, the telescopic driving mechanism drives the movable locking chuck to reciprocate, so that the vibration isolation spring is stretched and contracted within a certain length range, and the omnibearing and fine grinding strengthening treatment of the vibration isolation spring is realized; the swing driving mechanism drives the outer box to swing back and forth, so that the grinding material in the roller has axial acceleration, the grinding material can collide with the vibration isolation spring from different angles, grinding strengthening is performed, the grinding quality is further improved, and the service life, the reliability and other mechanical properties of the vibration isolation spring are favorably improved.

According to a preferable scheme of the invention, a supporting base is arranged at the bottom of the outer box, the supporting base is fixedly arranged on the rack, the bottom of the outer box is rotatably connected with the supporting base, and the rotating connection position of the bottom of the outer box and the supporting base forms the transverse shaft.

According to a preferable scheme of the invention, a swing guide mechanism is arranged between the outer box and the rack, the swing guide mechanism comprises a guide rail and a sliding block, the guide rail and the sliding block are vertically extended, the sliding block is arranged on the guide rail in a matching manner, and the sliding block is rotatably connected with the outer box.

Preferably, the swing guide mechanisms are provided with four groups, and the four groups of swing guide mechanisms are arranged in one-to-one correspondence with corners of the bottom of the outer box.

Preferably, a linkage assembly is arranged between the two groups of swing guide mechanisms on the same side, the linkage assembly comprises a supporting rod and a linkage swing rod, the supporting rod is arranged between the two groups of swing guide mechanisms on the same side, two ends of the linkage swing rod are respectively connected with the sliding blocks of the two groups of swing guide mechanisms in a rotating mode, and the middle of the linkage swing rod is connected with the supporting rod in a rotating mode.

Preferably, the swing driving mechanism comprises a rotary table, a swing power source for driving the rotary table to rotate and a driving connecting rod, one end of the driving connecting rod is rotatably connected with the sliding block, the other end of the driving connecting rod is rotatably connected with the rotary table, and the rotating connecting point of the driving connecting rod and the rotary table is eccentrically arranged with the circle center of the rotary table.

Preferably, a connecting shaft is arranged on the turntable, and the end part of the driving connecting rod is rotatably connected with the connecting shaft; the turntable is provided with a plurality of mounting holes for mounting the connecting shafts, and the mounting holes are arranged along the radial direction.

In a preferred embodiment of the present invention, the fixing and locking chuck is provided with a positioning support member, the positioning support member extends along a bearing direction of the drum, and the outer end of the positioning support member is provided with a support portion for supporting the vibration isolation spring; the positioning support constitutes one of the jaws of the fixed lock chuck.

Preferably, the movable locking chuck is provided with an auxiliary support member, and the auxiliary support member is connected with one of the jaws of the movable locking chuck through a connecting rod; the supporting direction of the auxiliary supporting piece is opposite to the supporting direction of the supporting part of the positioning supporting piece.

A special reinforced grinding method for a vibration isolation spring is characterized by comprising the following steps:

(1) placing the vibration isolation spring to be processed into a roller, and positioning and clamping the vibration isolation spring through a clamping mechanism;

(2) adding mixed grinding materials into the roller, wherein the grinding materials comprise grinding steel balls, grinding powder and reinforced grinding modification liquid, and loading a taking and placing plate;

(3) the grinding driving mechanism drives the roller to rotate, the swing driving mechanism drives the outer box and the roller to swing in a reciprocating mode, the telescopic driving mechanism drives the movable locking chuck in the clamping mechanism to move back and forth, and the vibration isolation spring is driven to stretch and contract in the grinding process;

(4) after the specified time of processing, the grinding driving mechanism, the swinging driving mechanism and the telescopic driving mechanism stop driving, the taking and placing plate is opened, and after the vibration isolation spring is loosened by the clamping mechanism, the vibration isolation spring is taken out, so that the reinforced grinding processing is completed.

Compared with the prior art, the invention has the following beneficial effects:

1. the vibration isolation spring grinding machine realizes the stretching and shrinking of the vibration isolation spring in the grinding process by driving the movable locking chuck through the telescopic driving mechanism, realizes the reinforced grinding treatment of the side surface of the vibration isolation spring, is favorable for improving the grinding uniformity, enables the vibration isolation spring to fully receive the grinding of grinding materials, and further realizes the performance reinforcement of the vibration isolation spring.

2. The arrangement of the swing driving mechanism enables the roller to swing back and forth in the grinding process, so that the grinding material in the roller has axial acceleration, the grinding impact force on the vibration isolation spring is improved, the grinding material can collide with the vibration isolation spring from different angles to grind and strengthen, the grinding quality is further improved, and the service life, the reliability and other mechanical properties of the vibration isolation spring are favorably improved.

Drawings

Fig. 1-2 are schematic structural views of one embodiment of the special reinforced grinding equipment for the vibration isolation spring of the present invention, wherein fig. 1 is a front view, and fig. 2 is a perspective view.

Fig. 3 is a partially enlarged view of the swing drive mechanism and the swing guide mechanism.

Fig. 4 is a perspective view of the outer case, the drum, and the polishing drive mechanism.

Fig. 5 to 6 are schematic structural views of the drum, wherein fig. 5 is a perspective view and fig. 6 is a perspective view.

Fig. 7-8 are schematic structural views of the clamping mechanism, wherein fig. 7 is a perspective view from a first perspective, and fig. 8 is a perspective view from another perspective.

Fig. 9-10 are schematic structural views of the mobile locking chuck and the telescopic driving mechanism, wherein fig. 9 is a perspective view from a first perspective and fig. 10 is a perspective view from a second perspective.

Detailed Description

The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1 to 10, the special strengthened grinding device for the vibration isolation spring of the embodiment includes an outer box 1, a roller 2 and a grinding driving mechanism for driving the roller 2 to rotate, wherein the roller 2 is rotatably connected to the outer box 1, a pick-and-place opening for the vibration isolation spring to enter and exit the roller 2 is arranged on the roller 2, and a pick-and-place plate 3 detachably connected to the roller 2 is arranged on the pick-and-place opening; a clamping mechanism for clamping the vibration isolation spring is arranged in the roller 2, the clamping mechanism comprises a fixed locking chuck 14, a movable locking chuck 13 and a telescopic driving mechanism for driving the movable locking chuck 13 to move, the fixed locking chuck 14 is fixedly connected in the roller 2, the movable locking chuck 13 and the fixed locking chuck 14 are oppositely arranged and are arranged in the roller 2 in a sliding manner, and the movable locking chuck 13 is close to or far away from the fixed locking chuck 14 along the axial direction of the roller 2 under the driving of the telescopic driving mechanism; the outer box and the roller 2 swing around a transverse shaft of the outer box 1 under the driving of the swing driving mechanism, and the transverse shaft is perpendicular to the axis of the roller 2.

Referring to fig. 1-2, a supporting base 3a is provided at the bottom of the outer box 1, the supporting base 3a is fixedly disposed on the frame, the bottom of the outer box 1 is rotatably connected to the supporting base 3a, and the rotating connection between the bottom of the outer box 1 and the supporting base 3a forms the transverse shaft. Through the setting of supporting base 3a, realize the support to outer container 1, stability when being favorable to improving outer container 1 and the swing of cylinder 2.

Referring to fig. 1-3, a swing guide mechanism is arranged between the outer box 1 and the frame, the swing guide mechanism includes a guide rail 2a and a slide block 11a which are vertically extended, the slide block 11a is arranged on the guide rail 2a in a matching manner, and the slide block 11a is rotatably connected with the outer box 1.

Referring to fig. 1-2, the swing guide mechanisms are provided in four groups, and the four groups of swing guide mechanisms are arranged in one-to-one correspondence with corners of the bottom of the outer box 1. Four sets of swing guide mechanisms are arranged and combined with the supporting base 3a, so that the swing stability of the outer box 1 and the roller 2 is effectively improved, and the swing precision is high.

Referring to fig. 1-3, a linkage assembly is disposed between the two sets of swing guide mechanisms located on the same side, and includes a support rod 1a and a linkage swing rod 8a, the support rod 1a is disposed between the two sets of swing guide mechanisms located on the same side, two ends of the linkage swing rod 8a are rotatably connected to the sliders 11a of the two sets of swing guide mechanisms, respectively, and the middle portion of the linkage swing rod 8a is rotatably connected to the support rod 1 a.

Referring to fig. 3, in this embodiment, two sliding rods 9a extending transversely are disposed on the slider 11a, the two sliding rods 9a are disposed up and down, oblong sliding grooves are disposed at both ends of the linkage oscillating rod 8a, and the sliding rod 9a located below is disposed in the sliding grooves to realize rotational connection; the bottom of the outer box 1 is provided with oblong connecting rings 10a at the corresponding positions of the sliders 11a, and the sliding rods 9a positioned above are correspondingly arranged in the connecting rings 10 a.

Referring to fig. 1 to 3, the swing driving mechanism includes a rotating disc 5a, a swing power source 4a for driving the rotating disc 5a to rotate, and a driving connecting rod 6a, one end of the driving connecting rod 6a is rotatably connected to the sliding block 11a, the other end of the driving connecting rod 6a is rotatably connected to the rotating disc 5a, and a rotational connection point between the driving connecting rod 6a and the rotating disc 5a is eccentrically disposed with a center of the rotating disc 5 a. Through setting up such swing actuating mechanism, the realization is to the gentle and reciprocal swing drive of outer container 1 and cylinder 2, through the continuous rotation of carousel 5a, through the connection of drive connecting rod 6a, under the drive of slider 11a, outer container 1 and cylinder 2 carry out the orderly and comparatively gentle swing of speed for the abrasive material in the cylinder 2 can carry out abundant and omnidirectional contact and grinding with the vibration isolation spring, be favorable to improving vibration isolation spring's grinding and strengthen processingquality. The swing power source 4a is a motor.

Referring to fig. 3, a connecting shaft 7a is arranged on the turntable 5a, and an end of the driving connecting rod 6a is rotatably connected with the connecting shaft 7 a; the rotary plate 5a is provided with a plurality of mounting holes 8a for mounting the connecting shaft 7a, and the plurality of mounting holes 8a are arranged in a radial direction. Through the position adjustment to connecting axle 7a, change the radial position of connecting axle 7a on carousel 5a to change the tie point of drive connecting rod 6a with carousel 5a, and then realize the adjustment of the amplitude of oscillation of outer container 1 and cylinder 2, with adaptation different grinding processing demands, the flexibility is good.

Referring to fig. 6-10, the fixed locking chuck 14 is provided with a positioning support member extending along the bearing direction of the drum 2, and the outer end of the positioning support member is provided with a support portion 15 for supporting the vibration isolating spring; the positioning support constitutes one of the jaws 17 of the fixed lock chuck 14. Through the setting of location support piece for when will treating the vibration isolation spring of processing and putting into cylinder 2, place earlier on the location support piece, tentatively keep vibration isolation spring's position, rethread telescopic drive mechanism drive lets remove locking chuck 13 and is close to, finally cliies vibration isolation spring's both ends locking. The vibration isolation spring is convenient to load due to the arrangement of the positioning support piece, so that the vibration isolation spring is conveniently clamped and locked, the clamping precision is favorably improved, and the subsequent grinding precision is improved.

Referring to fig. 6 to 10, the movable lock chuck 13 is provided with an auxiliary support member 16, and the auxiliary support member 16 is connected with one of the jaws 17 of the movable lock chuck 13 by a connecting rod; the supporting direction of the auxiliary support 16 is set opposite to the supporting direction of the supporting portion 15 of the positioning support. Through the setting of auxiliary support piece 16, form the cooperation with location support piece's supporting part 15, after the isolation spring presss from both sides tightly, realize supporting the protection to the middle part of isolation spring, avoid the isolation spring in the grinding course of working to take place violent rocking because the elasticity of self, when improving processing safety, keep the gesture of isolation spring man-hour, improve and grind the machining precision to be favorable to noise reduction.

Referring to fig. 6 to 10, the supporting portion 15 and the auxiliary supporting member 16 are both arranged in a V shape, and the opening directions of the supporting portion 15 and the auxiliary supporting member 16 are opposite to each other. By arranging the supporting part 15 and the auxiliary supporting part 16, the middle side surface of the vibration isolation spring is wrapped, so that the vibration isolation spring is supported and protected in a large range, and the anti-shaking effect is improved; meanwhile, when the vibration isolation spring is taken and placed, the vibration isolation spring can be stably supported to prevent the vibration isolation spring from falling. When the vibration isolation spring is placed in the supporting portion 15, the vibration isolation spring is supported, and the vibration isolation spring is positioned by the V-shaped arrangement, so that the clamping precision is improved.

Referring to fig. 6 to 10, the inner sides of the supporting portion 15 and the auxiliary supporting member 16 are each provided with a plurality of rollers 18, and the axes of the rollers 18 are arranged perpendicular to the axis of the drum 2. Through the setting of gyro wheel 18, be favorable to improving the tight holding power of clamp to the isolation spring, simultaneously, when carrying out tensile shrink to the isolation spring in the grinding process, the isolation spring of being convenient for slides on supporting part 15 and auxiliary support piece 16, reduces the loss to the isolation spring surface. In addition, the rotation direction of the roller 18 is perpendicular to the extension direction of the vibration isolation spring, and when the vibration isolation spring is stretched or contracted, the roller 18 can clean the surface of the vibration isolation spring, and has a cleaning function so as to remove abrasive or other impurities adhered to the surface of the vibration isolation spring.

Referring to fig. 6-10, the jaws 17 of the fixed lock chuck 14 and the movable lock chuck 13 are each provided with a clamping portion 20, and the clamping portions 20 are arranged to extend in a radial direction; the clamping portions 20 of all the jaws 17 on the fixed lock chuck 14 and the movable lock chuck 13 form clamping grooves with the chuck seats for clamping the vibration isolating springs. Through setting up such jack catch 17, be convenient for press from both sides the becket at vibration isolation spring's both ends and press from both sides tightly, be favorable to improving the clamp force to stability when improving rotatory grinding. In this embodiment, the inner end of the positioning support member constitutes the claw 17, and the claw 17 is smoothly disposed and engaged with the support portion 15 of the positioning support member, so as to stably support the vibration isolating spring before clamping.

Referring to fig. 6-10, the fixed locking chuck 14 is disposed at one side of the inner cavity of the drum 2, a mounting frame is disposed at the other side of the inner cavity of the drum 2, the telescopic driving mechanism is disposed on the mounting frame, and the movable locking chuck 13 is connected with a power output member of the telescopic driving mechanism. In this embodiment, the mounting bracket includes two opposite fixing plates 11, and sliding guide grooves 19 are formed on the inner sides of the two fixing plates 11. The telescopic driving mechanism comprises a motor 21 and a screw rod transmission mechanism, wherein the motor 21 is arranged between the two fixing plates 11 in a sliding manner and is matched with the sliding guide groove 19; the slider 11a22 fixed connection of lead screw drive mechanism is in between two fixed plates 11, the tip of lead screw 23 of lead screw drive mechanism is equipped with isolation connecting plate 12, it is fixed to set up on the isolation connecting plate 12 to remove locking chuck 13.

Referring to fig. 6, a clamping plate 10 is arranged in the roller 2, and the clamping plate 10 is arranged on the inner wall of the roller 2 and extends in the axial direction. In this embodiment, two clamping plates 10 are provided; the isolating connecting plate 12 is slidably arranged on the two clamping plates 10. Through cardboard 10's setting, the realization is scraped the abrasive material in the cylinder 2 and is swept to the abrasive material that will be located 2 bottoms of cylinder is scraped and is swept and drive 2 tops of cylinder, thereby makes the abrasive material pound to the vibration isolation spring surface from the different angles of top, and has acceleration function, and the reinforcing abrasive material is to the impact capacity of vibration isolation spring, realizes carrying out the grinding to a little on the vibration isolation spring surface and strengthens modified processing.

Referring to fig. 4-6, the drum 2 is further provided with a discharge opening for discharging the abrasive, and the drum 2 is provided with a discharge baffle 9 at the discharge opening, and the discharge baffle 9 is detachably connected to the drum 2. Through the arrangement of the discharge opening, the grinding materials in the roller 2 can be conveniently discharged after the grinding process is finished, so that the grinding materials can be conveniently recycled at a later stage. The unloading baffle 9 and the taking and placing plate 3 in the embodiment are detachably connected through bolts.

In this embodiment, the fixed locking chuck 14 and the movable locking chuck 13 are both electric locking chucks. Adopt electronic locking chuck, the flexibility is good, the control operation of being convenient for, and the locking force is stable even.

Referring to fig. 4, in the present embodiment, the grinding driving mechanism includes a motor 4, a speed reducer 5, a gear transmission mechanism 6, and a belt transmission mechanism 7, and the power of the motor 4 is finally transmitted to the rotating shaft 8 through the belt transmission mechanism 7, so as to rotate the drum 2.

Referring to fig. 1 to 10, the working principle of the special reinforced grinding device for the vibration isolation spring of the present embodiment is as follows:

firstly, the placing and taking plate 3 is opened, the vibration isolation spring to be ground is placed in the roller 2, the movable locking chuck 13 is driven by the telescopic driving mechanism, and the distance between the movable locking chuck 13 and the fixed locking chuck 14 is adjusted, so that the fixed locking chuck 14 and the movable locking chuck 13 clamp and lock two ends of the vibration isolation spring. Then, adding corresponding grinding materials into the roller 2, and then installing the taking and placing plate 3; subsequently, the roller 2 is rotated under the driving of the grinding driving mechanism, and in the rotating process, the vibration isolation springs clamped on the fixed locking chuck 14 and the movable locking chuck 13 rotate together, and the grinding materials in the roller 2 grind and strengthen the vibration isolation springs by friction, smashing or other modes. Meanwhile, in the grinding process, the telescopic driving mechanism drives the movable locking chuck to reciprocate, so that the vibration isolation spring is stretched and contracted within a certain length range, and the omnibearing and fine grinding strengthening treatment of the vibration isolation spring is realized; in addition, when the vibration damping spring is expanded and contracted, the supporting positions of the supporting portion 15 and the auxiliary supporting member 16 can be changed, so that the original shielded position can be processed, and the reciprocating expansion and contraction of the vibration damping spring can increase the probability of collision with the abrasive. The swing driving mechanism drives the outer box 1 to swing back and forth, so that the grinding material in the roller 2 has axial acceleration, the grinding material can collide with the vibration isolation springs from different angles, grinding strengthening is performed, grinding quality is further improved, and the service life, reliability and other mechanical properties of the vibration isolation springs are improved.

The special reinforced grinding method for the vibration isolation spring comprises the following steps:

(1) the vibration isolation spring to be processed is placed in the roller through manpower or a mechanical arm, and the vibration isolation spring is positioned and clamped through the clamping mechanism. The vibration isolation spring is placed on the supporting portion, the movable locking chuck is driven by the telescopic driving mechanism to move to the end portion of the vibration isolation spring, and the two ends of the vibration isolation spring are locked after the vibration isolation spring is tightly clamped with the fixed locking chuck.

(2) Adding mixed grinding materials into the roller, wherein the grinding materials comprise grinding steel balls, grinding powder and reinforced grinding modification liquid, and loading a taking and placing plate. Wherein the ratio of the grinding steel ball, the grinding powder and the reinforced grinding modification liquid is 5:1:1, the diameter of the grinding steel ball is 0.8-1.5 mm, the grinding powder is brown corundum, and the brown corundum is 80-220 meshes; the reinforced grinding modified liquid is prepared from the following raw materials in parts by weight: 18-20% of a special extreme pressure additive, 0.1-1% of a dispersant, 1.5-2.5% of an adhesion promoter, 5-7% of a high-molecular water-soluble preservative, 13-17% of a penetrating agent, 4-6% of a pH regulator, 4-6% of a surfactant, 4-6% of a pH buffering agent, 4-6% of a softener and the balance of water.

(3) The grinding driving mechanism drives the roller to rotate, the swing driving mechanism drives the outer box and the roller to swing in a reciprocating mode, the telescopic driving mechanism drives the movable locking chuck in the clamping mechanism to move back and forth, and the vibration isolation spring is driven to stretch and contract in the grinding process. Specifically, the rotating speed of the roller is 10-20 revolutions per minute; the reciprocating swing frequency of the swing driving mechanism for driving the outer box and the roller to swing is 20-40 times per minute; the telescopic driving mechanism drives the movable locking chuck to stretch and retract 2-6 times per minute, and the stretching range is 20% of the length of the vibration isolation spring; the rotation and swing motion of the roller are combined with the telescopic motion of the vibration isolation spring, so that the grinding material randomly collides and processes each surface of the vibration isolation spring in a large range in the roller, and a double-layer composite structure with a surface texture layer and an N-M complex surface strengthening layer and residual compressive stress are processed on the surface of the vibration isolation spring.

(4) After 1.5-3 hours of processing, stopping driving the grinding driving mechanism, the swinging driving mechanism and the telescopic driving mechanism, opening the taking and placing plate, and taking out the vibration isolation spring after the vibration isolation spring is loosened by the clamping mechanism; and then opening the discharge baffle, discharging the grinding material, and recycling to finish the reinforced grinding processing.

The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.