CN120480682B - A precision core rod processing device - Google Patents
A precision core rod processing deviceInfo
- Publication number
- CN120480682B CN120480682B CN202510995545.9A CN202510995545A CN120480682B CN 120480682 B CN120480682 B CN 120480682B CN 202510995545 A CN202510995545 A CN 202510995545A CN 120480682 B CN120480682 B CN 120480682B
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Abstract
本发明属于芯棒加工打磨装置技术领域，具体的说是一种精度芯棒加工装置，包括装置机架、升降旋转件以及移动式打磨构件，装置机架的上方贯穿开设有中部夹持槽，中部夹持槽的内部插入放置芯棒本体，夹持旋转件包括固定外环以及内旋转环，内旋转环的内部活动安装有多个适应型夹持件，通过芯棒本体下端被升降旋转件夹持时，其上半段外侧进行打磨，后续打磨芯棒本体下半段位置时，芯棒本体的顶端外侧被夹持旋转件所夹持，随着夹持旋转件带动芯棒本体上升旋转与移动式打磨构件进行配合完成打磨，此时芯棒本体的上半段经过打磨进行，表面更加光滑、平整，对于此处的夹持会更加牢固，夹持力分布会更加均匀，可以减少加工过程中的振动和变形。
The present invention belongs to the technical field of core rod processing and grinding devices, specifically a precision core rod processing device, including a device frame, a lifting and rotating part and a movable grinding component. A middle clamping groove is provided on the top of the device frame, and the core rod body is inserted into the middle clamping groove. The clamping rotating part includes a fixed outer ring and an inner rotating ring. A plurality of adaptive clamping parts are movably installed inside the inner rotating ring. When the lower end of the core rod body is clamped by the lifting and rotating part, the outer side of the upper half of the core rod body is ground. When the lower half of the core rod body is subsequently ground, the outer side of the top end of the core rod body is clamped by the clamping rotating part. As the clamping rotating part drives the core rod body to rise and rotate, it cooperates with the movable grinding component to complete the grinding. At this time, the upper half of the core rod body has been ground, and the surface is smoother and flatter. The clamping here will be more firm, and the clamping force distribution will be more uniform, which can reduce vibration and deformation during the processing.
Description
Technical Field
The invention belongs to the field of core rod machining and polishing devices, and particularly relates to an accurate core rod machining device.
Background
In order to avoid influencing the dimensional accuracy and surface quality of the core rod, surface defects of the core rod need to be removed, surface roughness is improved, friction coefficient is reduced, surface hardness and wear resistance are enhanced, therefore, the core rod needs to be polished in the processing process, burrs, scratches and oxide skin can be removed aiming at polishing of the core rod, and a surface soft layer can be removed through polishing, so that the core rod is more stable and reliable when bearing pressure and friction, and the overall performance and fatigue resistance of the core rod are improved.
One patent document with the publication number of CN115139164B discloses a processing device and a processing method of a high-precision core rod, the processing device comprises a workbench, a support column, a fixing plate and an electric telescopic rod, wherein the electric telescopic rod is rotationally connected with a pushing disc through a piston rod matched with a rotating shaft, the upper end face of the workbench is fixedly connected with a fixing column, the upper end face of the fixing column is fixedly connected with a fixing disc, the left edge and the right edge of the upper end face of the fixing disc are symmetrically and fixedly connected with fixing blocks, bolt rods are connected with internal threads of the fixing blocks, and the mutually approaching faces of the threaded rods are rotationally connected with U-shaped supporting blocks through bearings.
In the traditional core rod polishing process, generally, two forms of a horizontal polishing device and a vertical polishing device are adopted, compared with the horizontal device, the vertical polishing device has obvious space advantages, the occupied area is smaller, the falling range of scraps is limited, centralized collection and treatment are facilitated, pollution and cleaning difficulty of a working environment are effectively reduced, however, in the practical application, the traditional vertical polishing device has some limitations, in the polishing process, the original position of the core rod is usually clamped in the whole process by the vertical device, the clamping position is fixed, after polishing of a part of the area is completed, if the rest part is required to be polished, the clamping position is required to be readjusted or a clamp is required to be replaced, the process not only increases the complexity of operation, but also possibly causes machining errors caused by the change of the clamping position, more importantly, the distance between the clamping position and the polishing position is more and the distance between the clamping position is more and is too close, the vibration frequency generated in the polishing process is close to the inherent frequency of a clamping component, so that the resonance phenomenon is caused, the vibration amplitude of the clamping component is obviously increased, and further the vibration amplitude of the clamping component is further increased, the vibration amplitude of the whole polishing is further, the vibration of the vibration frequency generated in the polishing process is not uniform, the vibration or the vibration quality of the surface is further, and the quality of the final machining is not affected, and the vibration quality is also can be reduced.
To this end, the invention provides a precision mandrel bar processing device.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The invention solves the technical problems by adopting the technical scheme that the precision core rod processing device comprises a device frame, wherein a lifting rotating piece is movably arranged in the device frame, two oppositely arranged movable polishing members are movably arranged above the device frame, a middle clamping groove is formed in the upper part of the device frame in a penetrating manner, a core rod body is inserted into the middle clamping groove, the end part of the core rod body is inserted into the lifting rotating piece, two lifting frames are movably arranged above the device frame, and a clamping rotating piece is fixedly arranged between the two lifting frames;
The clamping rotating piece comprises a fixed outer ring and an inner rotating ring rotatably mounted in the fixed outer ring, a plurality of adaptive clamping pieces are movably mounted in the inner rotating ring, the adaptive clamping pieces are uniformly distributed in the inner rotating ring, a driving piece is mounted on the outer side of the fixed outer ring and used for driving the inner rotating ring to rotate in the fixed outer ring.
Preferably, the lifting frame comprises a fixed block positioned above the device frame and a first telescopic rod fixedly arranged below the fixed block, wherein the lower end of the telescopic rod is connected with the fixed block above the device frame, two connecting blocks are fixedly arranged on the side edges of the fixed block, which face the clamping rotating piece, of the fixed block, and one end of each connecting block is fixedly connected with the fixed outer ring.
Preferably, the lifting rotating piece comprises a bottom motor fixedly installed inside the lower portion of the device frame and a rotating member installed in the middle of the lifting rotating piece, the rotating member is located right above the bottom motor, an outer fixing disc is fixedly installed on the outer side of the rotating member, a plurality of second telescopic rods are fixedly installed below the outer fixing disc, and the lower ends of the second telescopic rods are installed inside the device frame.
Preferably, the rotating member comprises a fixed cylinder and an inner rotary cylinder movably mounted in the fixed cylinder, wherein the upper position of the outer side of the fixed cylinder is fixedly connected with an outer fixed disk, the lower position of the outer side of the fixed cylinder is fixedly provided with an outer power supply member, the upper part of the bottom motor is fixedly provided with a vertical telescopic rod, and the upper end of the vertical telescopic rod penetrates through the fixed cylinder and is connected with the inner rotary cylinder.
Preferably, the inside of internal rotation rotary drum has seted up the component groove, a plurality of grooves of running through have evenly been seted up to the inside in component groove, a plurality of the inside fixed mounting who runs through the groove has the catch bar, catch bar towards internal rotation rotary drum central point puts one end fixed mounting has the extrusion piece, the extrusion piece is in the component inslot portion, catch bar one end runs through the groove and is in outside power supply component inside.
Preferably, the inside slidable mounting in middle part centre gripping groove has two grip rings, two the equal movable mounting in opposite one side of grip ring has a plurality of balls, two the tip movable mounting of grip ring has the screw post, the screw post is rotatory to be used for driving corresponding grip ring and removes.
Preferably, the inner part of the fixed outer ring is provided with an annular groove, the inner rotary ring is movably arranged in the annular groove, and the driving piece comprises a fixed shell fixedly arranged on the outer side of the fixed outer ring.
Preferably, the driving piece further comprises a worm movably mounted inside the fixed shell, a driving motor is fixedly mounted on the outer side of the fixed shell, the output end of the driving motor is fixedly connected with the worm, a turbine tooth is fixedly mounted on the outer side of the inner rotating ring, and the turbine tooth is meshed with the worm.
Preferably, sliding rings are fixedly arranged on the upper side and the lower side of the inner rotating ring, and the inner rotating ring is movably arranged in the annular groove through two sliding rings.
Preferably, a plurality of mounting grooves are uniformly formed in the adaptive clamping piece, a plurality of compression springs are fixedly mounted in the mounting grooves, a plurality of displacement cylinders are fixedly mounted at one ends of the compression springs, the displacement cylinders are inserted into the mounting grooves, rollers are movably mounted at one ends of the displacement cylinders towards the center of the inner rotating ring, and vertical surface grooves are formed in the outer sides of the circumferences of the rollers.
The beneficial effects of the invention are as follows:
1. According to the precision core rod machining device, when the lower end of the core rod body is clamped by the lifting rotating piece, the outer side of the upper half section of the core rod body is polished, when the lower half section of the core rod body is polished later, the outer side of the top end of the core rod body is clamped by the clamping rotating piece, the core rod body is driven to ascend and rotate along with the clamping rotating piece to be matched with the movable polishing member to finish polishing, at the moment, the upper half section of the core rod body is polished, the surface is smoother and smoother, the clamping at the position is firmer, the clamping force distribution is more uniform, and vibration and deformation in the machining process can be reduced.
2. According to the precision mandrel processing device, the outer fixed disc, the rotating member and the mandrel body are driven to ascend through the extension of the second telescopic rod, meanwhile, the bottom motor drives the vertical telescopic rod, the inner rotary cylinder and the mandrel body to rotate, the fixed cylinder is kept fixed, the vertical telescopic rod is set to be telescopic in the vertical direction, and then the extension of the second telescopic rod is matched, so that the bottom motor can still drive the inner rotary cylinder to rotate when the second telescopic rod extends, a part of the mandrel body is clamped and then drives the inner rotary cylinder to ascend and descend, the influence of friction force can be avoided, the rotating precision of the mandrel body is higher, and the situation of position deviation caused by the influence of external force can not occur.
3. According to the precision core rod machining device, the lifting frame drives the clamping rotating piece to descend, so that the upper end of the core rod body is located in the clamping rotating piece, the upper end of the core rod body is clamped by the plurality of uniformly distributed adaptive clamping pieces, the worm is driven to rotate through the driving of the driving motor, the turbine teeth further drive the core rod body to rotate, the lifting frame is matched with the lifting frame to drive the clamping rotating piece to ascend and descend, the lifting rotation of the core rod body is achieved, the lower half section of the core rod body is polished by the movable polishing member, and the polished part of the core rod body is clamped, so that the clamping force distribution is more uniform.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a schematic perspective view of a crane and clamping swivel in accordance with the invention;
FIG. 3 is a schematic perspective view of a mobile sharpening member and mandrel body of the present invention;
FIG. 4 is a schematic perspective view of a lifting rotary member according to the present invention;
FIG. 5 is a schematic perspective view of a stationary drum and an inner rotating drum in accordance with the present invention;
FIG. 6 is a schematic perspective view of a clamp ring according to the present invention;
FIG. 7 is a schematic perspective view of the stationary outer ring and the inner rotating ring of the present invention;
Fig. 8 is a schematic perspective view of a compliant clip according to the present invention.
In the figure, 1, a device frame, 11, a middle clamping groove, 12, a clamping ring, 13, a ball, 14, a spiral column, 2, a lifting rotating piece, 21, a rotating component, 211, a fixing cylinder, 212, an external power supply component, 213, an internal rotating cylinder, 2131, a component groove, 2132, a pushing rod, 2133, a squeezing block, 2134, a through groove, 22, an external fixing disk, 23, a telescopic rod II, 24, a vertical telescopic rod, 25, a bottom motor, 3, a movable grinding component, 4, a core rod body, 5, a lifting frame, 51, a fixing block, 52, a connecting block, 53, a telescopic rod I, 6, a clamping rotating piece, 61, a fixed outer ring, 611, an annular groove, 62, an internal rotating ring, 621, turbine teeth, 622, a sliding ring 623, a mounting groove, 63, an adaptive clamping piece, 631, a displacement cylinder, 632, a roller, 6321, a vertical surface groove, 633, a compression spring, 64, a driving piece, 641, a fixed shell, 642, a driving motor, a 643 and a worm.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
1-6, The precision core rod machining device comprises a device frame 1, wherein a lifting rotating piece 2 is movably arranged in the device frame 1, two oppositely arranged movable polishing members 3 are movably arranged above the device frame 1, a middle clamping groove 11 is formed in the upper portion of the device frame 1 in a penetrating mode, a core rod body 4 is inserted into the middle clamping groove 11, the end portion of the core rod body 4 is inserted into the lifting rotating piece 2, two lifting frames 5 are movably arranged above the device frame 1, and a clamping rotating piece 6 is fixedly arranged between the two lifting frames 5;
the clamping and rotating member 6 comprises a fixed outer ring 61 and an inner rotating ring 62 rotatably mounted in the fixed outer ring 61, wherein a plurality of adaptive clamping members 63 are movably mounted in the inner rotating ring 62, the adaptive clamping members 63 are uniformly distributed in the inner rotating ring 62, a driving member 64 is mounted on the outer side of the fixed outer ring 61, and the driving member 64 is used for driving the inner rotating ring 62 to rotate in the fixed outer ring 61.
Specifically, the lifting frame 5 is used for lifting the height of the clamping rotating member 6, when the core rod body 4 needs to be polished, the clamping rotating member 6 is positioned at a higher position, at the moment, the core rod body 4 is inserted into the middle clamping groove 11, the lower end of the clamping rotating member is inserted into the lifting rotating member 2 to be clamped, two movable polishing members 3 are mutually close by a manual or electric mode, the outer side of the top end of the core rod body 4 is contacted with the polished members, the lifting rotating member 2 drives the core rod body 4 to lift and rotate, the rising and rotating core rod body 4 is matched with the movable polishing members 3, the outer side of the upper half section of the core rod body 4 is polished, at the moment, the upper half section of the core rod body 4 is polished, the surface is smoother and flatter, the clamping at the position is firmer, the clamping force distribution is more uniform, the vibration and deformation in the processing process can be reduced, in the device, therefore, after the upper half section of the mandrel body 4 is polished, the lifting frame 5 descends to drive the clamping rotating member 6 to descend, so that the upper half section of the mandrel body 4 is clamped by the plurality of adaptive clamping members 63 in the clamping rotating member 6, at the moment, the clamping rotating member 6 ascends to drive the mandrel body 4 to ascend, so that the lower end of the mandrel body 4 is not clamped by the lifting rotating member 2 any more, the mandrel body 4 is driven to ascend, namely, the lower half section of the mandrel body 4 is contacted with the two movable polishing members 3, the inner rotating ring 62 is driven to rotate by the driving member 64, the plurality of adaptive clamping members 63 and the mandrel body 4 are driven to rotate, polishing of the lower half section of the mandrel body 4 is realized, repeated readjustment of clamping positions or replacement of clamps are not required, polishing continuity of the mandrel body 4 is realized, the efficiency of polishing of plug body 4 is improved, and follow-up centre gripping to polishing back position can make the centre gripping more steady, in this device, plug body 4 lower extreme is polished by lifting rotating member 2 when its upper half outside, after the upper half of plug body 4 was polished, still there is certain interval between lifting rotating member 2 and the portable polishing member 3, follow-up polishing plug body 4 lower half position time, the top outside of plug body 4 is held by clamping rotating member 6, along with the rising rotation of clamping rotating member 6 drive plug body 4 and portable polishing member 3 cooperate and accomplish polishing, compare polishing in the prior art, plug body 4 can rise gradually and polish, make plug body 4 and clamping position gradually be close to, when the clamping position is in very near position with the polishing position, accomplish the majority of plug body 4 and polish, follow-up regulation, the rest of polishing body 4, clamping position is too near with the polishing position distance, can lead to because of the vibration frequency that produces in the polishing process is close with clamping component's natural frequency, and then the phenomenon causes the vibration amplitude of clamping component to show the increase, the vibration of whole vibration, and even vibration of this kind can also result in the vibration of the vibration quality of the final processing surface is not aggravated, and the vibration of the vibration is even, and the quality of the vibration is not produced.
As shown in fig. 2, the lifting frame 5 includes a fixed block 51 above the device frame 1 and a first telescopic rod 53 fixedly installed below the fixed block 51, the lower end of the first telescopic rod 53 is connected with a block fixed above the device frame 1, two connecting blocks 52 are fixedly installed on the side edge of the fixed block 51, which faces the clamping rotary member 6, and one end of each connecting block 52 is fixedly connected with a fixed outer ring 61.
Specifically, the movement of the movable polishing member 3 does not change the position of the first telescopic rod 53, so that the first telescopic rod 53 drives the fixed block 51, the connecting block 52 and the clamping rotary member 6 to lift when being telescopic, the clamping rotary member 6 is located at the middle position of the two fixed blocks 51 and right above the middle clamping groove 11, and the plurality of connecting blocks 52 are used for supporting the positions of the clamping rotary member 6.
As shown in fig. 3 to 5, the lifting rotary part 2 comprises a bottom motor 25 fixedly installed in the lower part of the device frame 1 and a rotary member 21 installed in the middle of the lifting rotary part 2, the rotary member 21 is positioned right above the bottom motor 25, an outer fixed disc 22 is fixedly installed on the outer side of the rotary member 21, a plurality of telescopic rods II 23 are fixedly installed below the outer fixed disc 22, and the lower ends of the telescopic rods II 23 are installed in the device frame 1.
The rotary member 21 includes a fixed cylinder 211 and an inner rotary cylinder 213 movably mounted inside the fixed cylinder 211, wherein an upper position outside the fixed cylinder 211 is fixedly connected with the outer fixed disk 22, an outer power supply member 212 is fixedly mounted at a lower position outside the fixed cylinder 211, a vertical telescopic rod 24 is fixedly mounted above the bottom motor 25, and an upper end of the vertical telescopic rod 24 penetrates through the fixed cylinder 211 to be connected with the inner rotary cylinder 213.
The inner part of the inner rotary drum 213 is provided with a component groove 2131, the inner part of the component groove 2131 is uniformly provided with a plurality of through grooves 2134, the inner parts of the plurality of through grooves 2134 are fixedly provided with pushing rods 2132, one end of each pushing rod 2132, which faces the center position of the inner rotary drum 213, is fixedly provided with a squeezing block 2133, the squeezing block 2133 is positioned in the component groove 2131, and one end of each pushing rod 2132 penetrates through the through groove 2134 and is positioned in the external power supply component 212.
Specifically, the lower end of the mandrel body 4 is inserted into the inner rotary drum 213, the plurality of pushing rods 2132 shrink at this time, the plurality of extrusion blocks 2133 are hidden in the component groove 2131, when the lower end of the mandrel body 4 is located in the inner rotary drum 213, the extrusion blocks 2133 are driven to move towards the center of the inner rotary drum 213 by the extension of the plurality of pushing rods 2132, that is, the plurality of pushing rods 2132 abut against the outer side of the lower end of the mandrel body 4 to clamp the mandrel body, at this time, the extension of the second telescopic rod 23 drives the outer fixed disc 22, the rotating component 21 and the mandrel body 4 to rise, at the same time, the bottom motor 25 drives the vertical telescopic rod 24, the inner rotary drum 213 and the mandrel body 4 to rotate, at this time, the fixed drum 211 is kept fixed, the vertical telescopic rod 24 is set to extend in the vertical direction, and then cooperates with the extension of the second telescopic rod 23, so that bottom motor 25 still can drive rotatory tube 213 and rotate when telescopic link two 23 stretches out, drive its lift rotation after holding the partly of plug body 4, can avoid the influence of frictional force, make the rotatory precision of plug body 4 higher, the position offset condition that leads to under the influence of external force can not appear, the promotion pole 2132 can be battery driven mode, when setting up outside power supply member 212 in the outside of fixed cylinder 211, the inside of outside power supply member 212 can set up conductive track, the charging point end of promotion pole 2132 is in the conductive track inside of outside power supply member 212 at this moment, instant promotion pole 2132 charges the end and moves in conductive track inside, also not influence the charging to promotion pole 2132, and then the use of this device is prolonged, the power supply effect of outside power supply member 212 in this device also can be realized through the principle of wireless charging.
As shown in fig. 6, two clamping rings 12 are slidably mounted in the middle clamping groove 11, a plurality of balls 13 are movably mounted on opposite sides of the two clamping rings 12, a spiral column 14 is movably mounted at the end of each clamping ring 12, and the spiral column 14 rotates to drive the corresponding clamping ring 12 to move.
Specifically, under electric drive, the corresponding spiral column 14 rotates, and then drives two clamping rings 12 to be close to each other, mainly adopts the principle that the screw rod rotates to enable the block to slide, when two clamping rings 12 are close to each other, a plurality of balls 13 can be enabled to contact the outer side of the middle section of the core rod body 4, the core rod body 4 is enabled to provide a supporting part when being polished, and the multidirectional movement of the balls 13 can be matched with the lifting rotation of the core rod body 4.
As shown in fig. 7 to 8, the inside of the stationary outer ring 61 is provided with an annular groove 611, and the inner rotary ring 62 is movably installed inside the annular groove 611, and the driving member 64 includes a stationary housing 641 fixedly installed outside the stationary outer ring 61.
The driving element 64 further includes a worm 643 movably mounted inside the fixed housing 641, a driving motor 642 is fixedly mounted on the outer side of the fixed housing 641, an output end of the driving motor 642 is fixedly connected with the worm 643, a worm gear tooth 621 is fixedly mounted on the outer side of the inner rotating ring 62, and the worm gear tooth 621 is meshed with the worm 643.
A sliding ring 622 is fixedly installed on the upper and lower sides of the inner rotating ring 62, and the inner rotating ring 62 is movably installed inside the annular groove 611 through two sliding rings 622.
Specifically, after the upper half section of the core rod body 4 is polished, in order to avoid the situation that the distance between the lifting rotating member 2 and the movable polishing member 3 is too short and abnormal vibration occurs, the lifting frame 5 drives the clamping rotating member 6 to descend, so that the upper end of the core rod body 4 is located inside the clamping rotating member 6, at this time, the upper end of the core rod body 4 is clamped by a plurality of uniformly distributed adaptive clamping members 63, the worm 643 is driven by the driving motor 642 to rotate, the worm wheel teeth 621 further drive the core rod body 4 to rotate, the lifting frame 5 is matched to drive the clamping rotating member 6 to lift and rotate the core rod body 4, the lower half section of the core rod body 4 is polished by the movable polishing member 3, and at this time, the core rod body 4 is polished, so that the clamping force distribution is more uniform.
In the second embodiment, as shown in fig. 8, in the first comparative embodiment, a plurality of mounting grooves 623 are uniformly formed in the adaptive clamping member 63, a plurality of compression springs 633 are fixedly mounted in the plurality of mounting grooves 623, a displacement cylinder 631 is fixedly mounted at one end of the plurality of compression springs 633, the displacement cylinder 631 is inserted into the mounting grooves 623, a roller 632 is movably mounted at one end of the displacement cylinder 631 facing the center of the inner rotating ring 62, and a vertical surface groove 6321 is formed at the outer circumferential side of the roller 632.
Specifically, the circumference diameter of the displacement cylinder 631 at the initial positions is larger than the polished diameter of the mandrel body 4, when the top end of the mandrel body 4 is lifted, the top end of the mandrel body 4 is contacted with the circumference lower side of the vertical surface groove 6321 and is not contacted with the vertical surface groove 6321, at this time, as the mandrel body 4 is lifted, the compression spring 633 is extruded, that is, the displacement cylinder 631 moves towards the direction of the mounting groove 623, and the roller 632 contacted with the mandrel body 4 rotates along with the rotation, when the mandrel body 4 is lifted to a certain position, the roller 632 rotates one circle, so that the vertical surface groove 6321 is contacted with the outer side of the mandrel body 4, the vertical surface groove 6321 is arranged, so that the displacement barrel 631 can have more area to contact with the outside of the core rod body 4, under the restoring force of the compression springs 633, the core rod body 4 is clamped by matching with the vertical surface groove 6321, the slight deformation force of the compression springs 633 can enable the adaptive clamping pieces 63 to be more comprehensively attached to the outside of the core rod body 4, the situation that the position deviation of the core rod body 4 occurs due to slight gaps on the outer sides of the circumferences of the core rod bodies 4 is avoided, the top end of the core rod body 4 rises in the clamping rotating piece 6, and depending on the circumference of the roller 632, the adaptive clamping pieces 63 can be clamped at the appropriate positions on the outer sides of the core rod body 4 when the lower half of the core rod body 4 is polished.
The working principle is that the lifting frame 5 is used for lifting the height of the clamping rotating piece 6, when the core rod body 4 is required to be polished, the clamping rotating piece 6 is positioned at a higher position, the core rod body 4 is inserted into the middle clamping groove 11, the lower end of the clamping rotating piece is inserted into the lifting rotating piece 2 to be clamped, two movable polishing members 3 are manually or electrically made to approach each other, the outer side of the top end of the core rod body 4 is in contact with the polished members, the lifting rotating piece 2 drives the core rod body 4 to lift and rotate, the rising and rotating core rod body 4 is matched with the movable polishing members 3, the outer side of the upper half section of the core rod body 4 is polished, the surface is smoother, The clamping force distribution is more uniform, and vibration and deformation in the processing process can be reduced, so in the device, after the upper half section of the mandrel body 4 is polished, the lifting frame 5 descends to drive the clamping rotary piece 6 to descend, so that the upper half section of the mandrel body 4 is positioned in the clamping rotary piece 6 and is clamped by a plurality of adaptive clamping pieces 63 in the clamping rotary piece 6, at the moment, the clamping rotary piece 6 ascends to drive the mandrel body 4 to ascend, so that the lower end of the mandrel body 4 is not clamped by the lifting rotary piece 2 any more, the mandrel body 4 is driven to ascend, namely, the lower half section of the mandrel body 4 is contacted with two movable polishing members 3, the inner rotary ring 62 rotates to drive the plurality of adaptive clamping pieces 63 and the mandrel body 4 to rotate through the driving of the driving piece 64, and further polishing of the lower half section of the mandrel body 4 is realized, in the device, when the lower end of the core rod body 4 is clamped by the lifting rotating member 2, the outer side of the upper half section of the core rod body is polished, a certain interval still exists between the lifting rotating member 2 and the movable polishing member 3, when the lower half section of the core rod body 4 is polished, the outer side of the top end of the core rod body 4 is clamped by the clamping rotating member 6, and the core rod body 4 is driven to ascend and rotate along with the clamping rotating member 6 to be matched with the movable polishing member 3 to finish polishing, compared with polishing in the prior art, the core rod body 4 is gradually ascended to polish, so that the core rod body 4 is gradually close to the clamping position, when the clamping position and the polishing position are in the very near position, most of polishing of the core rod body 4 is completed, the rest part of the core rod body 4 is adjusted subsequently, the clamping position is too close to the polishing position, the vibration frequency generated in the polishing process is close to the natural frequency of the clamping component, resonance phenomenon is caused, the vibration amplitude of the clamping component is obviously increased, vibration of the whole polishing process is further increased, the machining precision is reduced, uneven scratches or damage to the machining surface can be caused due to the increase of the vibration, the final quality of the core rod body 4 is affected, after the upper half section of the core rod body 4 is polished, in order to avoid abnormal vibration caused by the fact that the distance between the lifting rotating member 2 and the movable polishing member 3 is too close, the lifting frame 5 drives the clamping rotating member 6 to descend, the upper end of the core rod body 4 is located in the inside of the clamping rotating member 6, the upper end of the core rod body 4 is clamped by a plurality of evenly distributed adaptive clamping members 63 at the moment, the worm 643 is driven by a driving motor, the worm 643 is rotated, the worm is further, the worm 621 is driven to rotate the core rod 4 is further, the core rod tooth 4 is driven to rotate, the lifting rotating member 5 is matched with the lifting rotating member 5, and the core rod body 4 is enabled to move evenly, and the clamping position is enabled to be evenly polished, and the position of the core rod body 4 is enabled to be polished to be moved evenly, and the position is polished.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The precision core rod machining device comprises a device frame (1) and is characterized in that a lifting rotating piece (2) is movably arranged in the device frame (1), two oppositely arranged movable polishing members (3) are movably arranged above the device frame (1), a middle clamping groove (11) is formed in the upper portion of the device frame (1) in a penetrating mode, a core rod body (4) is inserted into the middle clamping groove (11), the end portion of the core rod body (4) is inserted into the lifting rotating piece (2), two lifting frames (5) are movably arranged above the device frame (1), and a clamping rotating piece (6) is fixedly arranged between the two lifting frames (5);
The clamping rotating member (6) comprises a fixed outer ring (61) and an inner rotating ring (62) rotatably arranged in the fixed outer ring (61), a plurality of adaptive clamping members (63) are movably arranged in the inner rotating ring (62), the adaptive clamping members (63) are uniformly distributed in the inner rotating ring (62), a driving member (64) is arranged on the outer side of the fixed outer ring (61), and the driving member (64) is used for driving the inner rotating ring (62) to rotate in the fixed outer ring (61);
An annular groove (611) is formed in the fixed outer ring (61), the inner rotary ring (62) is movably arranged in the annular groove (611), and the driving piece (64) comprises a fixed shell (641) fixedly arranged on the outer side of the fixed outer ring (61);
The driving piece (64) further comprises a worm (643) movably mounted inside the fixed housing (641), a driving motor (642) is fixedly mounted on the outer side of the fixed housing (641), the output end of the driving motor (642) is fixedly connected with the worm (643), a turbine tooth (621) is fixedly mounted on the outer side of the inner rotating ring (62), and the turbine tooth (621) is meshed with the worm (643).
2. The precision mandrel processing device according to claim 1, wherein the lifting frame (5) comprises a fixed block (51) arranged above the device frame (1) and a telescopic rod I (53) fixedly arranged below the fixed block (51), the lower end of the telescopic rod I (53) is connected with the fixed block above the device frame (1), two connecting blocks (52) are fixedly arranged on the side edge, facing the clamping rotating piece (6), of the fixed block (51), and one end of each connecting block (52) is fixedly connected with the fixed outer ring (61).
3. The precision mandrel processing device according to claim 1, wherein the lifting rotating piece (2) comprises a bottom motor (25) fixedly installed inside the lower portion of the device frame (1) and a rotating member (21) installed in the middle of the lifting rotating piece (2), the rotating member (21) is located right above the bottom motor (25), an outer fixing disc (22) is fixedly installed on the outer side of the rotating member (21), a plurality of second telescopic rods (23) are fixedly installed below the outer fixing disc (22), and the lower ends of the plurality of second telescopic rods (23) are installed inside the device frame (1).
4. The device for machining the precision core rod of claim 3, wherein the rotary member (21) comprises a fixed cylinder (211) and an inner rotary cylinder (213) movably mounted in the fixed cylinder (211), the upper position of the outer side of the fixed cylinder (211) is fixedly connected with an outer fixed disc (22), an outer power supply member (212) is fixedly mounted at the lower position of the outer side of the fixed cylinder (211), a vertical telescopic rod (24) is fixedly mounted above the bottom motor (25), and the upper end of the vertical telescopic rod (24) penetrates through the fixed cylinder (211) to be connected with the inner rotary cylinder (213).
5. The device for machining the precision core rod of claim 4, wherein the inner part of the inner rotary cylinder (213) is provided with a component groove (2131), the inner part of the component groove (2131) is uniformly provided with a plurality of through grooves (2134), pushing rods (2132) are fixedly arranged in the through grooves (2134), one end of each pushing rod (2132) towards the center of the inner rotary cylinder (213) is fixedly provided with a squeezing block (2133), the squeezing block (2133) is positioned in the inner part of the component groove (2131), and one end of each pushing rod (2132) penetrates through the through groove (2134) to be positioned in an external power supply component (212).
6. The device for machining the precision core rod according to claim 1, wherein two clamping rings (12) are slidably mounted in the middle clamping groove (11), a plurality of balls (13) are movably mounted on opposite sides of the two clamping rings (12), screw columns (14) are movably mounted at end portions of the two clamping rings (12), and the screw columns (14) rotate to drive the corresponding clamping rings (12) to move.
7. The apparatus for machining precision core rods according to claim 1, wherein sliding rings (622) are fixedly installed on the upper and lower sides of the inner rotating ring (62), and the inner rotating ring (62) is movably installed inside the annular groove (611) through two sliding rings (622).
8. The device for machining the precision core rod of claim 1, wherein a plurality of mounting grooves (623) are uniformly formed in the adaptive clamping piece (63), a plurality of compression springs (633) are fixedly mounted in the mounting grooves (623), a displacement cylinder (631) is fixedly mounted at one end of each compression spring (633), the displacement cylinder (631) is inserted into the mounting grooves (623), a roller (632) is movably mounted at one end, facing the center of the inner rotating ring (62), of each displacement cylinder (631), and a vertical surface groove (6321) is formed in the outer circumferential side of each roller (632).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510995545.9A CN120480682B (en) | 2025-07-18 | 2025-07-18 | A precision core rod processing device |
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| CN202510995545.9A CN120480682B (en) | 2025-07-18 | 2025-07-18 | A precision core rod processing device |
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| CN120480682B true CN120480682B (en) | 2025-09-19 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139164A (en) * | 2022-07-28 | 2022-10-04 | 江苏赛能干燥机械工程有限公司 | Machining device and machining method for high-precision core rod |
| CN117300840A (en) * | 2023-11-16 | 2023-12-29 | 含山县大兴金属制品有限公司 | A shell grinding device for motor production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210731901U (en) * | 2019-09-11 | 2020-06-12 | 江西微纳特电瓷有限公司 | Composite insulator plug polisher |
| CN219212777U (en) * | 2023-02-28 | 2023-06-20 | 云南溢美金属制品有限公司 | Positioning tool |
| CN118664452A (en) * | 2024-07-19 | 2024-09-20 | 扬州市雪龙铜制品有限公司 | Wear-resistant copper supporting tile preparation device and method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139164A (en) * | 2022-07-28 | 2022-10-04 | 江苏赛能干燥机械工程有限公司 | Machining device and machining method for high-precision core rod |
| CN117300840A (en) * | 2023-11-16 | 2023-12-29 | 含山县大兴金属制品有限公司 | A shell grinding device for motor production |
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