CN115256147A - Quick grinding device of surface for cascaded main shaft production - Google Patents
Quick grinding device of surface for cascaded main shaft production Download PDFInfo
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- CN115256147A CN115256147A CN202211219262.8A CN202211219262A CN115256147A CN 115256147 A CN115256147 A CN 115256147A CN 202211219262 A CN202211219262 A CN 202211219262A CN 115256147 A CN115256147 A CN 115256147A
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- stepped spindle
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005498 polishing Methods 0.000 claims abstract description 111
- 238000003825 pressing Methods 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims description 46
- 230000001360 synchronised effect Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 15
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 230000000670 limiting effect Effects 0.000 claims description 8
- 239000000969 carrier Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007517 polishing process Methods 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000013459 approach Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/10—Devices or means for dressing or conditioning abrasive surfaces of travelling flexible backings coated with abrasives; Cleaning of abrasive belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention belongs to the technical field of transmission shaft production, and particularly relates to a surface rapid polishing device for production of a stepped spindle, which comprises a bottom plate, a clamping mechanism and a polishing mechanism; the two uniform pressing rollers in the uniform pressing assembly can be synchronously and automatically opened in the descending process of the polishing belt, the polishing belt is tightly pressed on the surface of the stepped spindle, and the opening distances of the two uniform pressing rollers in each uniform pressing assembly are the same, so that the same contact area and contact pressure between the polishing belt and the surface of each stepped spindle are ensured; the contact area and the contact pressure between the polishing belt and the surface of the stepped spindle are unchanged in the polishing process, so that the uniformity of the polishing effect is ensured; the invention ensures that the grinding belt can be effectively cleaned after contacting with each stepped spindle, namely, abrasive dust cannot be adhered to the surface of the grinding belt before contacting with the next stepped spindle, thereby further improving the grinding uniformity.
Description
Technical Field
The invention belongs to the technical field of transmission shaft production, and particularly relates to a surface rapid polishing device for production of a stepped spindle.
Background
The main shaft is a shaft which receives power from an engine or a motor and transmits the power to other parts, and the main shaft is required to be cut into a step shape because parts with different sizes are usually required to be installed on the main shaft; burrs are left on the surface of the main shaft after cutting, and the surface of the main shaft needs to be polished to form a smooth surface, so that the machine part can be conveniently installed.
In order to improve the processing efficiency, a plurality of stepped main shafts are often required to be synchronously polished through one polishing belt, in the actual processing process, the polishing belt and the stepped main shafts have irregular friction force in the surface direction, the moving path of the polishing belt is not a straight line, the polishing belt inevitably generates slight vibration, the contact area and the contact pressure between the vibrating polishing belt and different stepped main shafts are difficult to keep consistent, the polishing effect of different stepped main shafts is uneven, and defective products are easy to occur.
When the stepped spindle with smaller volume and weight is ground, the stepped spindle can be driven to rotate at a high speed by the driving part under the condition that the grinding belt is kept still for grinding; when all great cascaded main shaft is polished to volume and weight, the rotatory power consumption of the cascaded main shaft of drive is very big, can only be fixed with cascaded main shaft, and the drive is polished and is taken the high-speed rotation and polish, but the in-process area of polishing is polished its surface and can adhere partial abrasive dust to cascaded main shaft after polishing, and the area of polishing that is adhered to the abrasive dust is polished when polishing the cascaded main shaft of postposition, and the effect of polishing can descend, can cause the uneven condition of cascaded main shaft polishing effect equally.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme: a surface rapid polishing device for producing a stepped spindle can polish a plurality of stepped spindles simultaneously, and comprises a base plate, a clamping mechanism and a polishing mechanism, wherein the clamping mechanism is arranged above the base plate and used for clamping the stepped spindles; the clamping mechanism is composed of a plurality of three-jaw chucks, each three-jaw chuck clamps one stepped spindle, and the three-jaw chucks and the stepped spindle can be driven to rotate slowly by external driving equipment.
The polishing mechanism is arranged above the bottom plate and used for polishing the surface of the stepped spindle; grinding machanism is including removing subassembly and execute component, and execute component includes two horizontally tensioning rollers, and two tensioning rollers homoenergetic carry out the ascending removal of axial horizontal migration and vertical side, install the polishing area of tensioning state between two tensioning rollers, and the outside surface in polishing area is the face of polishing.
The polishing mechanism also comprises a uniform pressing component, and the uniform pressing component is used for uniformly pressing the polishing belt on the surface of the stepped spindle; the uniform pressing component comprises an installation box capable of lifting, sliding rods are horizontally and slidably installed on the side walls of the installation box, facing the two tensioning rollers, the end portion, located outside the installation box, of each sliding rod is fixedly provided with a Contraband-shaped frame with a downward opening, a \ 21274, and the bottom end of each shaped frame is rotatably provided with a horizontal uniform pressing roller.
As a preferred technical scheme of the invention, the moving assembly comprises a first sliding plate which is axially slidably mounted on the base plate along the tensioning roller, the first sliding plate is electrically controlled, two second sliding plates are horizontally slidably mounted on the upper surface of the first sliding plate along the direction perpendicular to the axis of the tensioning roller, two electric telescopic columns are vertically and fixedly mounted on each second sliding plate, and a tensioning roller is rotatably mounted between the corresponding two electric telescopic column telescopic sections; and a driving motor for driving the tensioning roller to rotate is fixedly mounted on one of the electric telescopic column telescopic sections on each second sliding plate.
As a preferred technical scheme of the invention, synchronous racks are horizontally and fixedly arranged on the opposite surfaces of the two second sliding plates, and a synchronous gear meshed with the two synchronous racks is rotatably arranged at the position, between the two second sliding plates, on the upper surface of the first sliding plate; the upper surface of the second sliding plate is fixedly provided with an elastic telescopic rod, and the end part of a telescopic section of the elastic telescopic rod is fixedly provided with a limiting clamping block matched with the synchronous gear.
As a preferred technical scheme of the invention, the number of the uniform pressing components is the same as that of the stepped main shafts and the uniform pressing components correspond to the positions of the stepped main shafts one by one, an inverted type groove is formed in the installation box, the sliding rods are in sliding fit with the horizontal section of the type groove, reversing wheels are rotatably installed at the positions, corresponding to each sliding rod, on the inner wall of the type groove through wheel carriers, a lifting block is vertically and slidably installed in the vertical section of the type groove, the bottom surface of the lifting block is connected with each sliding rod through a connecting rope, and the connecting rope is attached to the surfaces of the reversing wheels; and a telescopic spring is vertically and fixedly connected between the top surface of the lifting block and the top surface of the profiled groove.
As a preferred technical scheme of the invention, a horizontal bidirectional telescopic rod is fixedly connected between the telescopic sections of the corresponding electric telescopic columns on the two second sliding plates; the two-way telescopic rod is fixedly provided with a connecting arm corresponding to the position of the mounting box, and the end part of the connecting arm is fixedly connected to the mounting box; a plurality of telescopic columns are vertically and fixedly connected between the two-way telescopic rod and the first sliding plate.
According to a preferable technical scheme, the top surface of the lifting block is vertically and fixedly provided with a lifting rod, the top end of the lifting rod extends to the upper part of the installation box and is fixedly provided with a horizontal plate, the position, corresponding to the horizontal plate, of the top of the installation box is vertically and fixedly provided with an electric telescopic rod, and the top of a telescopic section of the electric telescopic rod is attached to the upper surface of the horizontal plate.
As a preferred technical scheme of the invention, the polishing mechanism further comprises cleaning components for cleaning the surface of the polishing belt, the number of the cleaning components is the same as that of the stepped spindles, and the cleaning components are positioned below the polishing belt; the cleaning assembly comprises a first support, the first support is horizontally and rotatably provided with a cleaning roller, bristles on the surface of the cleaning roller are attached to the surface of the polishing belt, and the axis of the cleaning roller is perpendicular to the moving direction of the polishing belt.
As a preferred technical scheme of the invention, the cleaning assembly also comprises a second bracket, and a driven roller parallel to the sweeping roller is horizontally and rotatably arranged on the second bracket; the surface of the driven roller is attached to the polishing belt, and the surface of the driven roller is provided with an anti-slip groove for increasing friction force; a first gear is fixedly arranged at the end part of the driven roller, and a second gear meshed with the first gear is fixedly arranged at the end part of the cleaning roller; the first support and the second support are fixedly connected together through a connecting plate positioned below the first support and the second support; the first sliding plate is fixedly provided with a connecting frame used for connecting each connecting plate.
The invention has at least the following beneficial effects: (1) Two uniform pressing rollers in the uniform pressing assembly can be synchronously and automatically opened in the descending process of the grinding belt, the grinding belt can be tightly pressed on the surface of the stepped spindle without manual assistance, and the opening distances of the two uniform pressing rollers in each uniform pressing assembly are the same, so that the same contact area and contact pressure between the grinding belt and the surface of each stepped spindle are ensured; the electric telescopic rod has a limiting effect on the heights of the horizontal plate, the lifting rod and the lifting block, so that the lifting block cannot fall in the polishing process, namely two corresponding uniform pressing rollers cannot be continuously opened in the polishing process, the polishing belt is stabilized, the condition that the contact part of the polishing belt and the stepped spindle vibrates in the polishing process is avoided, the contact area and the contact pressure between the polishing belt and the surface of the stepped spindle are unchanged in the polishing process, and the uniformity of the polishing effect is ensured; when each section of the stepped spindle is ground, the effect of uniform grinding can be achieved.
(2) According to the cleaning assembly, the driven roller can rotate under the action of the polishing belt, the cleaning roller is driven to rotate through the meshing of the first gear and the second gear, and the bristles on the surface of the cleaning roller are opposite to the surface of the polishing belt in the contact process, so that the cleaning effect of the bristles on the surface of the polishing belt is improved, the polishing belt can be effectively cleaned after being contacted with each stepped spindle, namely, abrasive dust cannot be adhered to the surface of the polishing belt before being contacted with the next stepped spindle, and the polishing uniformity is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic first perspective view of a surface rapid polishing device for producing a stepped spindle according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Fig. 3 is an enlarged schematic view of fig. 1 at B.
Fig. 4 is a second perspective view of the surface rapid polishing device for producing a stepped spindle according to the embodiment of the present invention.
Fig. 5 is an enlarged schematic view at C in fig. 4.
Fig. 6 is a schematic structural diagram of the inside of the installation box in the embodiment of the present invention.
FIG. 7 is a schematic view showing the operation of the polishing belt, the driven roller and the cleaning roller in the embodiment of the present invention.
In the figure: 1. a base plate; 2. a clamping mechanism; 3. a polishing mechanism; 3a, a moving component; 3a1, a first sliding plate; 3a2 and a second sliding plate; 3a3, an electric telescopic column; 3a4, driving a motor; 3a5, a synchronous rack; 3a6, a synchronizing gear; 3a7, an elastic telescopic rod; 3a8, a limiting clamping block; 3b, executing the component; 3b1, a tension roller; 3b2, polishing the belt; 3c, uniformly pressing the components; 3c1, mounting a box; 3c2, a slide bar; 3c3, 21274and a shape frame; 3c4, uniformly pressing the roller; 3c5, a T-shaped groove; 3c6, a reversing wheel; 3c7, a lifting block; 3c8, connecting ropes; 3c9, a telescopic spring; 3c10, a lifting rod; 3c11, horizontal plate; 3c12, an electric telescopic rod; 3d, a bidirectional telescopic rod; 3e, a connecting arm; 3f, a telescopic column; 3g, cleaning components; 3g1, a first bracket; 3g2, a cleaning roller; 3g3, a second bracket; 3g4, a driven roller; 3g5, a first gear; 3g6, a second gear; 3h, connecting frames.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Example 1: as shown in fig. 1 and 4, the present embodiment provides a surface rapid polishing device for stepped spindle production, which is capable of polishing a plurality of stepped spindles simultaneously, and includes a base plate 1, a clamping mechanism 2 and a polishing mechanism 3, wherein the clamping mechanism 2 is installed above the base plate 1 and is used for clamping the stepped spindles; fixture 2 includes a plurality of three-jaw chucks of rotation installation, and before work began, the manual work was fixed step by step main shaft through fixture 2 earlier, and every three-jaw chuck carries out the centre gripping to the root of a cascaded main shaft (the root need not to polish), and after work began, can drive three-jaw chuck and cascaded main shaft slowly rotate through outside drive arrangement.
As shown in fig. 1, 3 and 4, a grinding mechanism 3 is installed above the base plate 1 for grinding the surface of the stepped spindle; the polishing mechanism 3 comprises a moving assembly 3a, an executing assembly 3b and a uniformly pressing assembly 3c, the executing assembly 3b comprises two horizontal tensioning rollers 3b1, the two tensioning rollers 3b1 can axially move horizontally and move in the vertical direction, a polishing belt 3b2 in a tensioning state is installed between the two tensioning rollers 3b1, and the outer side surface of the polishing belt 3b2 is a polishing surface; the moving assembly 3a comprises a first sliding plate 3a1 which is axially slidably mounted on the base plate 1 along the tensioning roller 3b1, the first sliding plate 3a1 can be an electric sliding block, two second sliding plates 3a2 are horizontally slidably mounted on the upper surface of the first sliding plate 3a1 along the direction perpendicular to the axis of the tensioning roller 3b1, two electric telescopic columns 3a3 are vertically and fixedly mounted on each second sliding plate 3a2, and one tensioning roller 3b1 is rotatably mounted between corresponding two electric telescopic columns 3a3 telescopic sections; a driving motor 3a4 for driving the tension roller 3b1 to rotate is fixedly arranged on one telescopic section of the electric telescopic column 3a3 on each second sliding plate 3a 2; the opposite surfaces of the two second sliding plates 3a2 are horizontally and fixedly provided with synchronous racks 3a5, and the position of the upper surface of the first sliding plate 3a1, which is positioned between the two second sliding plates 3a2, is rotatably provided with synchronous gears 3a6 which are meshed with the two synchronous racks 3a 5; an elastic telescopic rod 3a7 is fixedly arranged on the upper surface of the second sliding plate 3a2, and a limiting clamping block 3a8 matched with the synchronous gear 3a6 is fixedly arranged at the end part of a telescopic section of the elastic telescopic rod 3a 7.
After the stepped spindle is clamped by the clamping mechanism 2, manually controlling the first sliding plate 3a1 to move towards the stepped spindle until the grinding belt 3b2 moves to a position above the stepped spindle, then driving the two tensioning rollers 3b1 to synchronously descend through the electric telescopic column 3a3, driving the grinding belt 3b2 to synchronously descend in the descending process of the two tensioning rollers 3b1, and meanwhile manually compressing the elastic telescopic rod 3a7 to enable the limiting clamping block 3a8 and the synchronous gear 3a6 to be in a separated state; the polishing belt 3b2 is attached to the surface of the stepped spindle and then continuously descends for a certain distance, finally, under the action of the uniform pressing component 3c, the polishing belt 3b2 is closely attached to the surface of the stepped spindle, the attached part is arc-shaped, because the polishing belt 3b2 is always in a tensioning state, the two tensioning rollers 3b1 can approach each other for a certain distance under the action of the polishing belt 3b2, the two tensioning rollers 3b1 can drive the two electric telescopic columns 3a3 to approach each other when approaching each other, the two electric telescopic columns 3a3 drive the two second sliding plates 3a2 to approach each other, the two second sliding plates 3a2 drive the two synchronous racks 3a5 to approach each other, and the two synchronous racks 3a5 drive the synchronous gears 3a6 to rotate in the process of approaching each other; when the electric telescopic column 3a3 stops driving the tensioning rollers 3b1 to descend, the elastic telescopic rod 3a7 is manually loosened, the elastic telescopic rod 3a7 resets and drives the limiting clamping block 3a8 and the synchronous gear 3a6 to be clamped mutually, so that the rotation of the synchronous gear 3a6 is limited, the two tensioning rollers 3b1 are limited, and the situation that the two tensioning rollers 3b1 approach to each other to cause the polishing belt 3b2 to be loosened in the polishing process is avoided; after the position of the polishing belt 3b2 is adjusted, the driving motor 3a4 is started, the driving motor 3a4 drives the tensioning roller 3b1 to rotate, so that the tensioning roller 3b1 drives the polishing belt 3b2 to move at a high speed, and the external driving equipment drives the clamping mechanism 2 to drive the stepped spindle to rotate slowly, so that all parts of the surface of the stepped spindle along the circumferential direction can be polished; the surface of the stepped spindle is polished in the high-speed movement process of the polishing belt 3b 2; drive executive component 3b through first shifting board 3a1 and remove to polish one section of ladder formula main shaft, polish one section of completion back of accomplishing of ladder formula main shaft, earlier reset grinding machanism 3 is whole, then repeat above-mentioned step, polish next section of ladder formula main shaft, until polishing the whole completion of polishing of ladder formula main shaft.
As shown in fig. 1, 5 and 6, the uniform pressing components 3c are used for uniformly pressing the grinding belt 3b2 on the surface of the stepped spindle, and the number of the uniform pressing components 3c is the same as that of the stepped spindle and corresponds to the positions of the stepped spindle one by one; the uniform pressing component 3c comprises a lifting installation box 3c1, sliding rods 3c2 are horizontally and slidably installed on the side walls of the installation box 3c1 facing the two tensioning rollers 3b1, the end parts of the sliding rods 3c2, which are positioned outside the installation box 3c1, are fixedly provided with Contraband-shaped frames 3c3, 21274with downward openings, and the bottom ends of the shaped frames 3c3 are rotatably provided with horizontal uniform pressing rollers 3c4; an inverted T-shaped groove 3c5 is formed in the installation box 3c1, the sliding rods 3c2 are in sliding fit with the horizontal section of the T-shaped groove 3c5, a reversing wheel 3c6 is rotatably installed on the inner wall of the T-shaped groove 3c5 corresponding to each sliding rod 3c2 through a wheel carrier, a lifting block 3c7 is vertically and slidably installed in the vertical section of the T-shaped groove 3c5, the bottom surface of the lifting block 3c7 is connected with each sliding rod 3c2 through a connecting rope 3c8, and the connecting rope 3c8 is attached to the surface of the reversing wheel 3c 6; an extension spring 3c9 is vertically and fixedly connected between the top surface of the lifting block 3c7 and the top surface of the T-shaped groove 3c 5; a horizontal bidirectional telescopic rod 3d is fixedly connected between corresponding electric telescopic columns 3a3 telescopic sections on the two second sliding plates 3a 2; a connecting arm 3e is fixedly arranged on the bidirectional telescopic rod 3d corresponding to the mounting box 3c1, and the end part of the connecting arm 3e is fixedly connected to the mounting box 3c 1; a plurality of telescopic columns 3f are vertically and fixedly connected between the bidirectional telescopic rod 3d and the first sliding plate 3a 1; the vertical fixed mounting of elevator 3c7 top surface has lifter 3c10, and the top of lifter 3c10 extends to installation box 3c1 top and fixed mounting has horizontal plate 3c11, and the vertical fixed mounting in position that the installation box 3c1 top corresponds horizontal plate 3c11 has electric telescopic handle 3c12, and electric telescopic handle 3c 12's flexible section top and horizontal plate 3c11 upper surface are laminated mutually.
The electric telescopic column 3a3 is driven to synchronously descend in the contraction process, the telescopic column 3f is synchronously contracted, when the polishing belt 3b2 is in surface contact with the stepped spindle, namely two tensioning rollers 3b1 are close to each other, the two-way telescopic rod 3d is in two-way contraction, in the process, the leveling component 3c mounted on the two-way telescopic rod 3d is synchronously descended, in the initial state, the two leveling rollers 3c4 are in the mutually close positions and attached to the inner side surface of the polishing belt 3b2, after the polishing belt 3b2 is in surface contact with the stepped spindle and deforms, the two leveling rollers 3c4 are mutually opened under the reaction force of the stepped spindle and the polishing belt 3b2, meanwhile, the two sliding rods 3c2 slide towards opposite directions, the sliding rod 3c2 pulls the lifting block 3c7 to descend through the connecting rope 3c8, the telescopic spring 3c9 is lengthened, and the lifting block 3c7 plays a synchronous role on the two sliding rods 3c2, so that the amplitude of the two leveling rollers 3c4 is the same; the even pressing roller 3c4 is still tightly attached to the inner side surface of the polishing belt 3b2 in the opening process, and the polishing belt 3b2 is always pressed on the surface of the stepped spindle; because the descending heights of the pressing uniform components 3c are the same, the opening amplitudes of the pressing uniform rollers 3c4 in the pressing uniform components 3c are the same, and the opening amplitudes of the two pressing uniform rollers 3c4 in the same pressing uniform component 3c are also the same, so that the contact areas and the contact pressures of the grinding belt 3b2 and the surfaces of the stepped main shafts are the same, and the uniformity in the grinding process is ensured; the lifting block 3c7 drives the lifting rod 3c10 and the horizontal plate 3c11 to descend in the descending process, after the horizontal plate 3c11 stops descending, the electric telescopic rod 3c12 is controlled to extend until the top end of the electric telescopic rod 3c12 is attached to the lower surface of the horizontal plate 3c11 and plays a limiting role in the horizontal plate 3c11, the lifting rod 3c10 and the lifting block 3c7 are prevented from descending, the relative position of the two uniform pressing rollers 3c4 is prevented from changing, therefore, the polishing belt 3b2 is stabilized through the uniform pressing rollers 3c4, the polishing belt 3b2 which is in contact with the stepped spindle in the polishing process is ensured not to vibrate, and the polishing uniformity is further ensured.
Example 2: as shown in fig. 2 and 7, compared with embodiment 1, the grinding mechanism 3 in this embodiment further includes cleaning assemblies 3g for sweeping the surface of the grinding belt 3b2, the number of the cleaning assemblies 3g is the same as that of the stepped spindles, and the cleaning assemblies 3g are located below the grinding belt 3b 2; the cleaning component 3g comprises a first support 3g1, a cleaning roller 3g2 is horizontally and rotatably arranged on the first support 3g1, bristles on the surface of the cleaning roller 3g2 are attached to the surface of the polishing belt 3b2, and the axis of the cleaning roller 3g2 is perpendicular to the moving direction of the polishing belt 3b 2; the cleaning component 3g also comprises a second bracket 3g3, and a driven roller 3g4 parallel to the sweeping roller 3g2 is horizontally and rotatably arranged on the second bracket 3g 3; the surface of the driven roller 3g4 is attached to the polishing belt 3b2, and an anti-slip groove for increasing friction force is formed in the surface of the driven roller 3g4; a first gear 3g5 is fixedly mounted at the end of the driven roller 3g4, and a second gear 3g6 meshed with the first gear 3g5 is fixedly mounted at the end of the cleaning roller 3g 2; the first bracket 3g1 and the second bracket 3g3 are fixedly connected together through a connecting plate positioned below the first bracket and the second bracket; the first sliding plate 3a1 is fixedly provided with a connecting frame 3h for connecting each connecting plate.
Before polishing begins, the polishing belt 3b2 gradually approaches the driven roller 3g4 in the descending process and is finally attached to the driven roller 3g4; in the polishing process, the cleaning roller 3g2 is in contact with the surface of the polishing belt 3b2 and cleans the abrasive dust adhered to the surface of the polishing belt 3b 2; because the driven roller 3g4 is tightly attached to the outer side surface of the polishing belt 3b2, the polishing belt 3b2 can drive the driven roller 3g4 to rotate, the driven roller 3g4 drives the first gear 3g5 to rotate, the first gear 3g5 drives the second gear 3g6 meshed with the first gear to rotate, the second gear 3g6 drives the cleaning roller 3g2 to rotate, and because the rotating directions of the cleaning roller 3g2 and the driven roller 3g4 are opposite, the movement of the cleaning roller 3g2 is opposite to that of the polishing belt 3b2 when the cleaning roller 3g2 is contacted with the polishing belt 3b2, so that the cleaning effect of the cleaning roller 3g2 on abrasive dust on the surface of the polishing belt 3b2 is improved; it should be noted that, since the height of the cleaning assembly 3g is not changed, the height of the polishing belt 3b2 which is lowered before each polishing is the same, so as to ensure that the polishing belt 3b2 can be closely attached to the cleaning roller 3g2 and the driven roller 3g 4.
The working process of the surface rapid grinding device for producing the stepped spindle in the embodiment is as follows: before the work begins, the stepped spindle is fixed manually through the clamping mechanism 2, and each three-jaw chuck clamps one stepped spindle; then, the execution component 3b and the uniform pressing component 3c are driven by the moving component 3a to move towards the stepped spindle, when the polishing belt 3b2 moves to the upper part of the stepped spindle, the polishing belt 3b2 is driven by the moving component 3a to descend until the polishing belt 3b2 is tightly attached to the surface of the stepped spindle, in the process, the polishing belt 3b2 is uniformly pressed on the surface of the stepped spindle by the uniform pressing component 3c, then the surface of the stepped spindle is polished by the polishing belt 3b2, the stepped spindle is driven by the external equipment through the clamping mechanism 2 to slowly rotate, the polishing belt 3b2 is always pressed on the surface of the stepped spindle by the uniform pressing component 3c, and the contact area and the contact pressure of the polishing belt 3b2 and the surface of each stepped spindle are ensured to be constant; in the grinding process, the cleaning component 3g cleans grinding dust adhered to the surface of the grinding belt 3b2, so that the grinding uniformity of the grinding belt 3b2 on each stepped spindle is ensured; drive executive component 3b through first shifting board 3a1 and remove to polish one section of ladder formula main shaft, accomplish one section of ladder formula main shaft polishing the back, earlier with whole the resetting of grinding machanism 3, then repeat above-mentioned step, polish one section next of ladder formula main shaft, until will whole the polishing of ladder formula main shaft accomplish can.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a quick grinding device of surface for production of cascaded main shaft, includes bottom plate (1), its characterized in that: further comprising:
the clamping mechanism (2) is arranged above the bottom plate (1) and used for clamping the stepped spindle;
the polishing mechanism (3) is arranged above the bottom plate (1) and is used for polishing the surface of the stepped spindle; the polishing mechanism (3) comprises a moving assembly (3 a) and an executing assembly (3 b), the executing assembly (3 b) comprises two horizontal tensioning rollers (3 b 1), the two tensioning rollers (3 b 1) can axially move horizontally and move in the vertical direction, a polishing belt (3 b 2) in a tensioning state is installed between the two tensioning rollers (3 b 1), and the outer side surface of the polishing belt (3 b 2) is a polishing surface;
the grinding mechanism (3) also comprises a uniform pressing component (3 c), and the uniform pressing component (3 c) is used for uniformly pressing the grinding belt (3 b 2) on the surface of the stepped spindle; even subassembly (3 c) of pressing is including installing box (3 c 1) that can go up and down, and the equal horizontal slidable mounting of lateral wall towards two tensioning rollers (3 b 1) of installing box (3 c 1) has slide bar (3 c 2), and the tip fixed mounting that slide bar (3 c 2) are located installing box (3 c 1) is located Contraband shape frame (3 c 3) that the opening is down, the even roller (3 c 4) of pressing of horizontal is installed in the rotation of shape frame (3 c 3) bottom.
2. The surface rapid grinding device for the production of the stepped spindle according to claim 1, wherein: the moving assembly (3 a) comprises a first sliding plate (3 a 1) which is axially slidably mounted on the base plate (1) along the tensioning roller (3 b 1), the upper surface of the first sliding plate (3 a 1) is horizontally slidably mounted with two second sliding plates (3 a 2) along the direction vertical to the axis of the tensioning roller (3 b 1), each second sliding plate (3 a 2) is vertically and fixedly mounted with two electric telescopic columns (3 a 3), and one tensioning roller (3 b 1) is rotatably mounted between the telescopic sections of the corresponding two electric telescopic columns (3 a 3); and a driving motor (3 a 4) for driving the tensioning roller (3 b 1) to rotate is fixedly mounted on the telescopic section of one electric telescopic column (3 a 3) on each second sliding plate (3 a 2).
3. The surface rapid grinding device for the production of the stepped spindle according to claim 2, characterized in that: synchronous racks (3 a 5) are horizontally and fixedly installed on the opposite surfaces of the two second sliding plates (3 a 2), and synchronous gears (3 a 6) meshed with the two synchronous racks (3 a 5) are rotatably installed at the positions, located between the two second sliding plates (3 a 2), on the upper surface of the first sliding plate (3 a 1); an elastic telescopic rod (3 a 7) is fixedly arranged on the upper surface of the second sliding plate (3 a 2), and a limiting clamping block (3 a 8) matched with the synchronous gear (3 a 6) is fixedly arranged at the end part of a telescopic section of the elastic telescopic rod (3 a 7).
4. The surface rapid grinding device for the production of the stepped spindle according to claim 2, wherein: the number of the uniform pressing components (3 c) is the same as that of the stepped main shafts and corresponds to the positions of the stepped main shafts one by one, an inverted T-shaped groove (3 c 5) is formed in the installation box (3 c 1), the sliding rods (3 c 2) are in sliding fit with the horizontal sections of the T-shaped groove (3 c 5), reversing wheels (3 c 6) are rotatably installed at positions, corresponding to each sliding rod (3 c 2), on the inner wall of the T-shaped groove (3 c 5), reversing wheels (3 c 6) are installed through wheel carriers, lifting blocks (3 c 7) are vertically and slidably installed in the vertical sections of the T-shaped groove (3 c 5), the bottom surface of each lifting block (3 c 7) is connected with each sliding rod (3 c 2) through connecting ropes (3 c 8), and the connecting ropes (3 c 8) are attached to the surfaces of the reversing wheels (3 c 6); an expansion spring (3 c 9) is vertically and fixedly connected between the top surface of the lifting block (3 c 7) and the top surface of the T-shaped groove (3 c 5).
5. The surface rapid grinding device for the production of the stepped spindle according to claim 4, wherein: a horizontal bidirectional telescopic rod (3 d) is fixedly connected between the telescopic sections of the corresponding electric telescopic columns (3 a 3) on the two second sliding plates (3 a 2); a connecting arm (3 e) is fixedly arranged on the bidirectional telescopic rod (3 d) corresponding to the mounting box (3 c 1), and the end part of the connecting arm (3 e) is fixedly connected to the mounting box (3 c 1); a plurality of telescopic columns (3 f) are vertically and fixedly connected between the bidirectional telescopic rod (3 d) and the first sliding plate (3 a 1).
6. The surface rapid grinding device for the production of the stepped spindle according to claim 4, wherein: the vertical fixed mounting of lifter (3 c 7) top surface has lifter (3 c 10), and the top of lifter (3 c 10) extends to install bin (3 c 1) top and fixed mounting has horizontal plate (3 c 11), and the vertical fixed mounting in position that install bin (3 c 1) top corresponds horizontal plate (3 c 11) has electric telescopic handle (3 c 12), and the flexible section top and the horizontal plate (3 c 11) upper surface of electric telescopic handle (3 c 12) are laminated mutually.
7. The surface rapid grinding device for the production of the stepped spindle according to claim 1, wherein: the polishing mechanism (3) further comprises cleaning components (3 g) for cleaning the surface of the polishing belt (3 b 2), the number of the cleaning components (3 g) is the same as that of the stepped main shafts, and the cleaning components (3 g) are positioned below the polishing belt (3 b 2); cleaning assembly (3 g) includes first support (3 g 1), and horizontal rotation installs cleaning roller (3 g 2) on first support (3 g 1), and the brush hair on cleaning roller (3 g 2) surface is laminated with polishing area (3 b 2) surface mutually, and cleans the axis of roller (3 g 2) and polishes the moving direction mutually perpendicular of taking (3 b 2).
8. The surface rapid grinding device for the production of the stepped spindle according to claim 7, wherein: the cleaning component (3 g) also comprises a second bracket (3 g 3), and a driven roller (3 g 4) parallel to the cleaning roller (3 g 2) is horizontally and rotatably arranged on the second bracket (3 g 3); the surface of the driven roller (3 g 4) is attached to the polishing belt (3 b 2), and an anti-slip groove for increasing friction force is formed in the surface of the driven roller (3 g 4); a first gear (3 g 5) is fixedly arranged at the end part of the driven roller (3 g 4), and a second gear (3 g 6) meshed with the first gear (3 g 5) is fixedly arranged at the end part of the cleaning roller (3 g 2); the first bracket (3 g 1) and the second bracket (3 g 3) are fixedly connected together through a connecting plate positioned below the first bracket and the second bracket; and a connecting frame (3 h) for connecting each connecting plate is fixedly arranged on the first sliding plate (3 a 1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211219262.8A CN115256147A (en) | 2022-10-08 | 2022-10-08 | Quick grinding device of surface for cascaded main shaft production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211219262.8A CN115256147A (en) | 2022-10-08 | 2022-10-08 | Quick grinding device of surface for cascaded main shaft production |
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| CN115256147A true CN115256147A (en) | 2022-11-01 |
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| CN202211219262.8A Pending CN115256147A (en) | 2022-10-08 | 2022-10-08 | Quick grinding device of surface for cascaded main shaft production |
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Application publication date: 20221101 |
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