CN108827538B - Automatic centering and grading clamping device for double-mass flywheel of full-automatic balancing machine - Google Patents
Automatic centering and grading clamping device for double-mass flywheel of full-automatic balancing machine Download PDFInfo
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- CN108827538B CN108827538B CN201810974621.8A CN201810974621A CN108827538B CN 108827538 B CN108827538 B CN 108827538B CN 201810974621 A CN201810974621 A CN 201810974621A CN 108827538 B CN108827538 B CN 108827538B
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- 230000003068 static effect Effects 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 46
- 230000009977 dual effect Effects 0.000 claims description 13
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
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Abstract
The invention discloses an automatic centering and grading clamping device for a double-mass flywheel of a full-automatic balancing machine. The invention comprises two-stage clamping components, a clamping driving component, a measuring turntable and a rotating driving component, wherein the measuring turntable comprises a turntable static piece and a turntable moving piece, the two-stage clamping components and the clamping driving component are respectively and coaxially arranged at the upper end and the lower end of the measuring turntable, a dual-mass flywheel is arranged on the top surface of the measuring turntable and is clamped in two stages along the radial direction from the two-stage clamping components, the clamping driving component is connected to the two-stage clamping components through a coupler, and the rotating driving component is connected with the turntable moving piece and drives the turntable moving piece to rotate relative to the turntable static piece, so that the two-stage clamping components and the clamping driving component are driven to rotate around a central shaft. According to the invention, the two-stage flywheel masses of the dual-mass flywheel are respectively centered and clamped by matching the two-stage clamping part and the clamping driving part, so that the centering accuracy is ensured, and the system measurement accuracy is improved.
Description
Technical Field
The invention relates to the field of automatic centering and grading clamping devices, in particular to an automatic centering and grading clamping device for a double-mass flywheel of a full-automatic balancing machine.
Background
The dual mass flywheel structure mainly comprises a secondary mass, a primary mass and an elastic element. The secondary mass is arranged on one side of the engine and used for starting and transmitting the rotation torque of the engine, the primary mass is arranged on one side of the transmission and used for improving the rotation inertia of the transmission, and the two flywheels are connected into a whole through the elastic element between the two flywheels.
The dual-mass flywheel has huge market and wide prospect. In the mass production process, there is an initial unbalance amount due to the influence of materials and manufacturing processes. When the dual-mass flywheel with the excessive unbalance amount rotates at a high speed, vibration, noise, service life shortening and even danger are generated on an automobile engine, so that dynamic balance correction treatment on the flywheel is required.
Unbalance amount measurement is a precondition of dynamic balance correction processing, and an automatic centering and grading clamping device is indispensable for improving efficiency. For dual mass flywheel products, clamps are typically used to clamp the flywheel through the flywheel bore. In the prior art, the clamping and centering device of the automatic balancing machine for the dual-mass flywheel is integrally clamped, and as the machining precision of the center holes of the two-stage flywheel is different, one stage of the clamping and centering device is not clamped during clamping, so that the measurement error is increased. Therefore, two masses of the dual-mass flywheel are required to be clamped in a centering manner respectively in actual working conditions, and therefore, it is necessary to develop a device capable of clamping two-stage flywheels respectively to ensure centering accuracy.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides the automatic centering and grading clamping device for the double-mass flywheel of the full-automatic balancing machine, which ensures accurate centering in the dynamic balance detection process of the double-mass flywheel and improves the detection precision of a system.
The technical scheme of the invention is as follows:
the invention comprises two-stage clamping components, a clamping driving component, a measuring turntable and a rotating driving component, wherein the measuring turntable comprises a turntable static piece and a turntable moving piece, the turntable static piece is rotationally connected with the turntable moving piece through a bearing, the upper end and the lower end of the measuring turntable are respectively and coaxially provided with the two-stage clamping components and the clamping driving component, the clamping driving component is connected to the two-stage clamping components through a coupler, and the rotating driving component is connected with the turntable moving piece and drives the turntable moving piece to rotate relative to the turntable static piece, so that the two-stage clamping components and the clamping driving component are driven to rotate around a central shaft.
The rotary table moving part comprises a rotor supporting seat, a base, a rotary main shaft and a cylinder mounting seat, the inside of the rotary table moving part is vertically penetrated, the upper end and the lower end of the rotary main shaft are respectively and coaxially fixed with the base and the cylinder mounting seat, the upper end of the base is coaxially fixed with the rotor supporting seat, the rotor supporting seat is used for supporting a dual-mass flywheel, and the rotary main shaft is rotatably sleeved in the rotary table static part through a bearing.
The two-stage clamping component comprises a first-stage pressing block, a first-stage collet chuck, a first-stage conical seat, a second-stage pressing block, a second-stage collet chuck, a second-stage conical seat and a pull rod; the primary cone seat is connected with the secondary cone seat through a cylindrical shaft, vertical through holes are formed in the primary cone seat, the cylindrical shaft and the secondary cone seat, a horizontal through groove is formed in the cylindrical shaft along the diameter direction, and the diameter of the through holes of the primary cone seat and the secondary cone seat and the width of the through grooves of the cylindrical shaft are larger than the diameter of the cross section of the pull rod; a locking nut is fixed at the upper end of the pull rod, a pull rod mounting block, an elastic pad and a primary pressing block are movably sleeved on the pull rod below the locking nut in sequence, and the pull rod below the primary pressing block sequentially penetrates through the primary conical seat through hole, the cylindrical shaft through groove and the secondary conical seat through hole and then extends into the rotary table moving part to be connected with a cylinder rod of the clamping driving part; the primary collet is sleeved outside the primary cone seat, an annular boss is arranged at the center of the lower end of the primary pressing block, the lower end part of the annular boss is connected with a pull hook I, and the pull hook radially protrudes outwards from the annular boss so that a groove I is formed in the periphery of the annular boss; an inner hole at the upper end of the primary collet is provided with an inner flange, the hole wall of the inner hole at the lower end of the primary collet is a conical surface, an annular boss at the lower end of the primary pressing block extends into the inner hole at the upper end of the primary collet, the inner flange at the upper end of the primary collet is embedded in a primary pressing block groove I and can axially move up and down in the groove I, and the inner conical surface I of the primary collet is attached to the outer conical surface I of the primary conical seat, so that the primary collet and the primary conical seat can relatively move radially but cannot relatively rotate circumferentially; the secondary collet is sleeved outside the primary cone seat, the pressing blocks II of the two secondary pressing blocks respectively penetrate through the through grooves of the cylindrical shaft and are fixedly inserted into grooves formed in two sides of the pull rod, an arc-shaped boss is arranged at the center of the lower end of each secondary pressing block, the lower end part of each arc-shaped boss is connected with a pull hook II, and the pull hook II radially protrudes outwards from the arc-shaped boss to enable the periphery of the arc-shaped boss to form a groove II; the inner hole at the upper end of the secondary collet is provided with an inner flange, the hole wall of the inner hole at the lower end of the secondary collet is a conical surface, the arc-shaped bosses at the lower ends of the two secondary press blocks extend into the inner hole at the upper end of the secondary collet, the inner flange at the upper end of the secondary collet is embedded in the grooves II of the two secondary press blocks and can move up and down axially in the grooves II, and the inner conical surface II of the secondary collet is attached to the outer conical surface II of the secondary conical seat, so that the secondary collet and the secondary conical seat can move radially relatively but cannot rotate circumferentially relatively.
The clamping driving part comprises a cylinder body and a cylinder rod, a piston at the bottom end of the cylinder rod is internally arranged in the cylinder body, the top end of the cylinder rod stretches into the turntable moving part and is coaxially connected with the bottom end of the pull rod through a coupler, and the cylinder rod, the pull rod and the turntable moving part are overlapped with each other in a central axis.
The rotary driving part comprises a rotary motor, a belt and a belt pulley, wherein the belt pulley is arranged in the middle of the outer side surface of the turntable moving part base, and the rotary motor drives the belt pulley to rotate through the belt, so that the turntable moving part is driven to rotate relative to the turntable static part.
The primary collet chuck and the secondary collet chuck are made of flexible materials; the first-stage collet chuck moves downwards along the outer conical surface I of the first-stage conical seat and radially expands when being supported by the outer conical surface I, so as to tighten a first-stage mass inner hole of the dual-mass flywheel; when the flange of the primary collet moves upwards under the action of the upward pulling force of the primary pressing block pulling hook, the outer wall of the primary collet radially contracts so as to be separated from the primary mass inner hole of the dual-mass flywheel;
the secondary collet chuck moves downwards along the outer conical surface II of the secondary conical seat and radially expands when being supported by the outer conical surface II, so that a secondary mass inner hole of the dual-mass flywheel is tensioned; when the flange of the secondary collet chuck moves upwards under the upward pulling force of the pulling hook of the secondary pressing block, the outer wall of the secondary collet chuck radially contracts so as to be separated from the secondary mass inner hole of the dual-mass flywheel.
The base, the rotating main shaft, the cylinder mounting seat and the rotor supporting seat are internally provided with vertical through holes, the sizes of the through holes of the base, the rotating main shaft and the cylinder mounting seat are the same, and the through holes of the rotor supporting seat are larger than the diameter of the bottom surface of the secondary conical seat; the cylinder body of the clamping driving part is inserted upwards into the bottom of the through hole of the cylinder mounting seat and is fixedly connected with the cylinder mounting seat; the two-stage conical seat of the two-stage clamping component passes through the through hole of the rotor supporting seat and is coaxially fixed to the upper end surface of the base.
The outer wall of the first-stage collet is smaller than the diameter of the inner hole of the first-stage mass of the dual-mass flywheel, and the outer wall of the second-stage collet is smaller than the diameter of the inner hole of the second-stage mass of the dual-mass flywheel.
The invention has the beneficial effects that:
in the dynamic balance comprehensive detection process of the dual-mass flywheel, the two-stage clamping components are matched with the clamping driving component to respectively center and clamp the two-stage flywheel mass of the dual-mass flywheel, so that the centering accuracy is ensured, and the system measurement accuracy is improved.
Drawings
Fig. 1 is an overall exploded view of the present invention.
Fig. 2 is a schematic view of the overall assembly of the present invention.
Fig. 3 is an exploded view of the two-stage clamping member of the present invention.
Fig. 4 is a schematic view of the assembly of two clamping members of the present invention.
Fig. 5 is a one-stage mass state diagram of the clamped dual mass flywheel of the present invention.
Fig. 6 is a state diagram of a two-stage clamped dual mass flywheel of the present invention.
Fig. 7 is an enlarged view of a portion of a two-stage clamping member of the present invention.
In the figure: a0, two-stage clamping components, A1, lock nuts, A2, a pull rod mounting block, A3, an elastic pad, A4, a first-stage pressing block, A4.1, a pressing block I, A4.2, a groove I, A4.3, a pull hook I, A5, a first-stage collet, A5.1, an inner conical surface I, A5.2, an outer wall I, A6, a first-stage conical seat, A6.1, an outer conical surface I, A7, a second-stage pressing block, A7.1, a pressing block II, A7.2, a groove II, A7.3, a pull hook II, A8, a second-stage collet, A8.1, an outer wall II, A8.2, an inner conical surface II, A9, a second-stage conical seat, A9.1, an outer conical surface II, A10 and a pull rod; b0, a clamping driving part, B1, a coupler, B2, a cylinder, B2.1, a cylinder body, B2.2 and a cylinder rod; c0, a measuring turntable, C1, a turntable static piece, C2, a turntable moving piece, C2.1, a rotor supporting seat, C2.2, a base, C2.3, a rotating main shaft, C2.4 and a cylinder mounting seat; d0, a rotary driving part, D1, a rotary motor, D2, a belt, D3 and a belt pulley; e0, a dual mass flywheel, E1, a primary mass, E1.1, a primary mass inner hole, E2, a secondary mass, E2.1 and a secondary mass inner hole; f0, detection component.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
As shown in fig. 2, the present invention includes a two-stage clamping member A0, a clamping driving member B0, a measuring turntable C0, and a rotation driving member D0, the measuring turntable C0 is coaxially provided with the two-stage clamping member A0 and the clamping driving member B0 at the upper and lower ends thereof, respectively, the dual mass flywheel E0 is placed on the top surface of the measuring turntable C0 to be clamped from the two-stage clamping member A0 in two stages in the radial direction, the clamping driving member B0 is connected to the two-stage clamping member A0 through a coupling B1, the rotation driving member D0 drives the two-stage clamping member A0 to rotate around the central axis through the measuring turntable C0, and the dual mass flywheel E0 is detected by a detecting member F0.
As shown in fig. 1, the measuring turntable C0 includes a turntable static member C1 and a turntable moving member C2, the turntable static member C1 is rotatably connected with the turntable moving member C2 through a bearing, the turntable moving member C2 includes a rotor supporting seat C2.1, a base C2.2, a rotating main shaft C2.3 and a cylinder mounting seat C2.4, through holes vertically penetrating are formed in the base C2.2, the rotating main shaft C2.3, the cylinder mounting seat C2.4 and the rotor supporting seat C2.1, the through holes of the base C2.2, the rotating main shaft C2.3 and the cylinder mounting seat C2.4 are the same in size, the through holes of the rotor supporting seat C2.1 are larger than the bottom surface diameter of the secondary cone seat A9, the upper end and the lower end of the rotating main shaft C2.3 are respectively coaxially fixed with the base C2.2 and the cylinder mounting seat C2.4, the rotor supporting seat C2.1 is coaxially fixed at the upper end of the base C2.2 and is used for supporting a dual-mass flywheel E0, and the rotating main shaft C2.3 is rotatably sleeved in the turntable C1 through the bearing;
the clamping driving component B0 comprises a cylinder body B2.1 and a cylinder rod B2.2, the cylinder body B2.1 of the clamping driving component B0 is upwards inserted into the bottom of a through hole of the cylinder mounting seat C2.4 and is fixedly connected with the cylinder mounting seat C2.4, a piston at the bottom end of the cylinder rod B2.2 is arranged in the cylinder body B2.1, the top end of the cylinder rod B2.2 extends into the turntable moving part C2 and is coaxially connected with the bottom end of the pull rod A10 through a coupler B1, and the cylinder rod B2.2, the pull rod A10 and the central axis of the turntable moving part C2 are overlapped;
the rotary driving part D0 comprises a rotary motor D1, a belt D2 and a belt pulley D3, the belt pulley D3 is arranged in the middle of the outer side surface of the base C2.2 of the rotary table moving part C2, and the rotary motor D1 drives the belt pulley D3 to rotate through the belt D2 so as to drive the rotary table moving part C2 to rotate relative to the rotary table static part C1.
As shown in fig. 3 and 4, the two-stage clamping member A0 includes a primary press block A4, a primary collet A5, a primary cone seat A6, a secondary press block A7, a secondary collet A8, a secondary cone seat A9 and a pull rod a10, the secondary cone seat A9 of the two-stage clamping member A0 being coaxially fixed to the upper end surface of the base C2.2 through a through hole of the rotor support seat C2.1; the primary cone seat A6 is connected with the secondary cone seat A9 through a cylindrical shaft, vertical through holes are formed in the primary cone seat A6, the cylindrical shaft and the secondary cone seat A9, horizontal through grooves are formed in the cylindrical shaft along the diameter direction, and the diameters of the through holes of the primary cone seat A6 and the secondary cone seat A9 and the widths of the through grooves of the cylindrical shaft are larger than the diameter of the cross section of the pull rod A10;
the upper end of the pull rod A10 is fixedly provided with a lock nut A1, a pull rod installation block A2, an elastic pad A3 and a primary pressing block A4 are sequentially movably sleeved on the lower Fang Lagan A10 of the lock nut A1, and the pull rod A10 below the primary pressing block A4 sequentially penetrates through a primary conical seat A6 through hole, a cylindrical shaft through groove and a secondary conical seat A9 through hole and then extends into the rotary table moving part C2 to be connected with a cylinder rod B2.2 of the clamping driving part B0.
As shown in FIG. 4, the outer wall IA 5.2 of the primary collet A5 is smaller than the diameter of the primary mass inner hole E1.1 of the dual mass flywheel E0, and the outer wall IIA 8.1 of the secondary collet A8 is smaller than the diameter of the secondary mass inner hole E2.1 of the dual mass flywheel E0.
As shown in fig. 3 and 7, the primary collet A5 is sleeved outside the primary conical seat A6, an annular boss is arranged at the center of the lower end of the primary pressing block A4, the lower end part of the annular boss is connected with a pull hook ia 4.3, and the pull hook a4.3 protrudes outwards in the radial direction from the annular boss so that a groove ia 4.2 is formed at the periphery of the annular boss; an inner hole at the upper end of the primary collet A5 is provided with an inner flange, the hole wall of the inner hole at the lower end of the primary collet A5 is a conical surface, an annular boss at the lower end of the primary pressing block A4 extends into the inner hole at the upper end of the primary collet A5, the inner flange at the upper end of the primary collet A5 is embedded in a groove IA 4.2 of the primary pressing block A4 and can move up and down axially in the groove IA 4.2, and the inner conical surface IA 5.1 of the primary collet A5 is attached to the outer conical surface IA 6.1 of the primary conical seat A6, so that the primary collet A5 and the primary conical seat A6 can move relatively in a radial direction but cannot rotate relatively in a circumferential direction;
the secondary collet A8 is sleeved outside the primary cone seat A6, the pressing blocks IIA 7.1 of the two secondary pressing blocks A7 respectively penetrate through the through grooves of the cylinder shafts and are fixedly inserted into the grooves formed in the two sides of the pull rod A10, an arc-shaped boss is arranged at the center of the lower end of each secondary pressing block A7, the lower end part of each arc-shaped boss is connected with a pull hook IIA 7.3, and the pull hooks IIA 7.3 radially outwards protrude out of the arc-shaped boss to enable the peripheries of the arc-shaped bosses to form grooves IIA 7.2; the inner hole at the upper end of the secondary collet A8 is provided with an inner flange, the hole wall of the inner hole at the lower end of the secondary collet A8 is a conical surface, the arc-shaped bosses at the lower ends of the two secondary press blocks A7 extend into the inner hole at the upper end of the secondary collet A8, the inner flange at the upper end of the secondary collet A8 is embedded in the grooves IIA 7.2 of the two secondary press blocks A7 and can axially move up and down in the grooves IIA 7.2, and the inner conical surface IIA 8.2 of the secondary collet A8 is attached to the outer conical surface IIA 9.1 of the secondary conical seat A9, so that the secondary collet A8 and the secondary conical seat A9 can move relatively in the radial direction but cannot rotate relatively in the circumferential direction.
The specific working process of the invention is as follows:
s1: and placing the dual-mass flywheel E0 on the top surface of the rotor supporting seat C2.1, sleeving a first-stage mass inner hole E1.1 of the dual-mass flywheel E0 on the outer wall IA 5.2 of the first-stage collet A5, sleeving a second-stage mass inner hole E2.1 on the outer wall IIA 8.1 of the second-stage collet A8, and entering the step S2.
S2: the cylinder rod B2.2 is pushed by gas in the cylinder to move downwards, the pull rod A10 is dragged by the cylinder rod B2.2 to move downwards through the coupler B1, so that the pull rod mounting block A2, the elastic pad A3 and the primary pressing block A4 are driven to move downwards integrally, the pressing block IA 4.1 of the primary pressing block A4 presses the top surface of the primary collet A5 downwards and moves downwards along the outer conical surface A6.1 of the primary conical seat A6 along with the primary collet A5, the primary collet A5 is self-adaptively and radially opened under the supporting force of the outer conical surface IA 6.1 of the primary conical seat A6, the primary quality inner hole E1.1 of the tensioning double-quality flywheel E0 is expanded, and the primary collet A5 and the primary pressing block A4 stop moving downwards and enter a state 1 as shown in FIG. 5.
The cylinder rod B2.2 drags the pull rod A10 to move downwards, the elastic pad A3 compresses downwards, the secondary pressing block A7 moves downwards along with the pull rod A10, the secondary pressing block A7 pressing block IIA 7.1 compresses downwards the top surface of the secondary collet A8 and moves downwards along with the secondary collet A8 along the outer conical surface IIA 9.1 of the secondary conical seat A9, under the supporting force of the outer conical surface IIA 9.1, the outer wall IIA 8.1 of the secondary collet A8 is self-adaptively and radially opened until the outer wall IIA 8.1 of the secondary collet A8 is tightly expanded to the secondary mass inner hole E2.1 of the dual-mass flywheel E0, the secondary collet A8 and the secondary pressing block A7 stop moving downwards, and the state 2 is entered, as shown in FIG. 6, the cylinder B2 keeps a continuous power output state, so that the pull rod A10 keeps the current state, and the step S3 is entered.
S3: the rotating motor is started, the belt D2 drives the belt pulley D3 to rotate, the turntable moving part C2 is driven to rotate relative to the turntable static part C1, the dual-mass flywheel E0 positioned on the turntable moving part C2 rotor supporting seat C2.1 rotates around the central shaft, the detection part F0 comprehensively detects the dual-mass flywheel E0, and the step S4 is carried out after the detection.
S4: the cylinder B2 stops outputting power, the cylinder rod B2.2 moves upwards and pushes the pull rod A10 to move upwards, the secondary pressing block A7 moves upwards along with the pull rod A10 and pulls the flange of the inner conical surface IIA 8.2 of the secondary collet A8 to move upwards through the self-pulling hook A7.3, and the secondary collet A8 self-adaptively radially contracts, so that the secondary mass inner hole E2.1 of the dual-mass flywheel E0 is relaxed; the elastic cushion A3 gradually restores elasticity while the pull rod A10 moves upwards, the primary pressing block A4 pulls the flange of the inner conical surface IA 5.1 of the primary collet A5 to move upwards through the self-pulling hook A4.3, the primary collet self-adaptively radially contracts, the primary mass inner hole E1.1 of the dual-mass flywheel E0 is relaxed, and the step S5 is entered.
S5: and taking down the rotor of the dual-mass flywheel E0.
Therefore, the invention can realize the centering and clamping of the two-stage flywheel mass of the dual-mass flywheel, ensure accurate centering in the dynamic balance comprehensive detection process of the dual-mass flywheel, and improve the measurement precision of the system.
Claims (4)
1. An automatic centering and grading clamping device for a double-mass flywheel of a full-automatic balancing machine is characterized in that:
the measuring turntable comprises two-stage clamping components (A0), a clamping driving component (B0), a measuring turntable (C0) and a rotating driving component (D0), wherein the measuring turntable (C0) comprises a turntable static piece (C1) and a turntable moving piece (C2), the turntable static piece (C1) is rotatably connected with the turntable moving piece (C2) through a bearing, the upper end and the lower end of the measuring turntable (C0) are respectively and coaxially provided with the two-stage clamping components (A0) and the clamping driving component (B0), the clamping driving component (B0) is connected to the two-stage clamping components (A0) through a coupler (B1), and the rotating driving component (D0) is connected with the turntable moving piece (C2) and drives the turntable moving piece (C2) to rotate relative to the turntable static piece (C1), so that the two-stage clamping components (A0) and the clamping driving component (B0) are driven to rotate around a central shaft;
the turntable moving part (C2) comprises a rotor supporting seat (C2.1), a base (C2.2), a rotating main shaft (C2.3) and a cylinder mounting seat (C2.4), wherein the base (C2.2) and the cylinder mounting seat (C2.4) are coaxially fixed at the upper end and the lower end of the rotating main shaft (C2.3) respectively, a rotor supporting seat (C2.1) is coaxially fixed at the upper end of the base (C2.2), the rotor supporting seat (C2.1) is used for supporting a double-mass flywheel (E0), and the rotating main shaft (C2.3) is rotatably sleeved in the turntable static part (C1) through a bearing;
the two-stage clamping component (A0) comprises a first-stage pressing block (A4), a first-stage collet (A5), a first-stage conical seat (A6), a second-stage pressing block (A7), a second-stage collet (A8), a second-stage conical seat (A9) and a pull rod (A10); the primary cone seat (A6) is connected with the secondary cone seat (A9) through a cylindrical shaft, vertical through holes are formed in the primary cone seat (A6), the cylindrical shaft and the secondary cone seat (A9), and a horizontal through groove is formed in the cylindrical shaft along the diameter direction; a lock nut (A1) is fixed at the upper end of the pull rod (A10), a pull rod mounting block (A2), an elastic pad (A3) and a primary pressing block (A4) are sequentially movably sleeved on the lower Fang Lagan (A10) of the lock nut (A1), and the pull rod (A10) below the primary pressing block (A4) sequentially penetrates through a primary conical seat (A6) through hole, a cylindrical shaft through groove and a secondary conical seat (A9) through hole and then stretches into the rotary table moving part (C2) to be connected with a cylinder rod (B2.2) of the clamping driving part (B0); the primary collet (A5) is sleeved outside the primary cone seat (A6), an annular boss is arranged at the center of the lower end of the primary pressing block (A4), the lower end part of the annular boss is connected with a pull hook I (A4.3), and the pull hook (A4.3) radially protrudes outwards from the annular boss to enable the periphery of the annular boss to form a groove I (A4.2); an inner hole at the upper end of the primary collet (A5) is provided with an inner flange, the hole wall of the inner hole at the lower end of the primary collet (A5) is a conical surface, an annular boss at the lower end of the primary pressing block (A4) extends into the inner hole at the upper end of the primary collet (A5), the inner flange at the upper end of the primary collet (A5) is embedded in a groove I (A4.2) of the primary pressing block (A4) and can axially move up and down in the groove I (A4.2), and the inner conical surface I (A5.1) of the primary collet (A5) is attached to the outer conical surface I (A6.1) of the primary conical seat (A6) so that the primary collet (A5) and the primary conical seat (A6) can radially move relatively but cannot circumferentially rotate relatively; the secondary collet (A8) is sleeved outside the primary cone seat (A6), the pressing blocks II (A7.1) of the two secondary pressing blocks (A7) are fixedly inserted into grooves formed in two sides of the pull rod (A10) respectively through grooves of the cylinder shaft, an arc-shaped boss is arranged at the center of the lower end of each secondary pressing block (A7), the lower end of each arc-shaped boss is connected with a pull hook II (A7.3), and the pull hook II (A7.3) radially protrudes outwards from the arc-shaped boss to enable the periphery of the arc-shaped boss to form a groove II (A7.2); an inner hole at the upper end of the secondary collet (A8) is provided with an inner flange, the hole wall of the inner hole at the lower end of the secondary collet (A8) is a conical surface, the arc-shaped bosses at the lower ends of the two secondary press blocks (A7) extend into the inner hole at the upper end of the secondary collet (A8), the inner flange at the upper end of the secondary collet (A8) is embedded in a groove II (A7.2) of the two secondary press blocks (A7) and can axially move up and down in the groove II (A7.2), and the inner conical surface II (A8.2) of the secondary collet (A8) is attached to the outer conical surface II (A9.1) of the secondary conical seat (A9) so that the secondary collet (A8) and the secondary conical seat (A9) can move radially relatively but cannot rotate circumferentially relatively;
the clamping driving part (B0) comprises a cylinder body (B2.1) and a cylinder rod (B2.2), a piston at the bottom end of the cylinder rod (B2.2) is arranged in the cylinder body (B2.1), the top end of the cylinder rod (B2.2) stretches into the rotary table moving part (C2) and is coaxially connected with the bottom end of the pull rod (A10) through a coupler (B1), and the cylinder rod (B2.2), the pull rod (A10) and the central axis of the rotary table moving part (C2) are overlapped; the rotary driving part (D0) comprises a rotary motor (D1), a belt (D2) and a belt pulley (D3), the belt pulley (D3) is arranged in the middle of the outer side surface of the base (C2.2) of the rotary table moving part (C2), and the rotary motor (D1) drives the belt pulley (D3) to rotate through the belt (D2), so that the rotary table moving part (C2) is driven to rotate relative to the rotary table static part (C1).
2. The automatic centering and grading clamping device for a dual mass flywheel of a fully automatic balancing machine according to claim 1, characterized in that the primary collet (A5) and the secondary collet (A8) are both made of flexible material; the primary collet (A5) moves downwards along the outer conical surface I (A6.1) of the primary conical seat (A6) and radially expands the outer wall I (A5.2) of the primary collet (A5) when being supported by the outer conical surface I (A6.1), so as to tighten the primary mass inner hole (E1.1) of the dual-mass flywheel (E0); when the flange of the primary collet (A5) moves upwards under the upward tension of the pull hook (A4.3) of the primary pressing block (A4), the outer wall of the primary collet (A5) radially contracts so as to be separated from the primary mass inner hole (E1.1) of the dual-mass flywheel (E0);
the secondary collet (A8) moves downwards along the external conical surface II (A9.1) of the secondary conical seat (A9) and radially expands the external wall II (A8.1) of the secondary collet (A8) when being supported by the external conical surface II (A9.1), so as to tighten the secondary mass inner hole (E2.1) of the dual-mass flywheel (E0); when the flange of the secondary collet (A8) moves upwards under the upward tension of the pull hook (A7.3) of the secondary pressing block (A7), the outer wall of the secondary collet (A8) radially contracts so as to be separated from the secondary mass inner hole (E2.1) of the dual-mass flywheel (E0).
3. The automatic centering and grading clamping device for the double-mass flywheel of the full-automatic balancing machine according to claim 1, wherein vertical through holes are formed in the base (C2.2), the rotating main shaft (C2.3), the cylinder mounting seat (C2.4) and the rotor supporting seat (C2.1), the through holes of the base (C2.2), the rotating main shaft (C2.3) and the cylinder mounting seat (C2.4) are the same in size, and the through holes of the rotor supporting seat (C2.1) are larger than the bottom surface diameter of the secondary conical seat (A9); the cylinder body (B2.1) of the clamping driving part (B0) is upwards inserted into the bottom of the through hole of the cylinder mounting seat (C2.4) and is fixedly connected with the cylinder mounting seat (C2.4); the two-stage conical seat (A9) of the two-stage clamping component (A0) passes through a through hole of the rotor supporting seat (C2.1) and is coaxially fixed to the upper end surface of the base (C2.2).
4. The self-centering hierarchical clamping device for a dual mass flywheel of a fully automatic balancing machine according to claim 1, wherein the outer wall i (a 5.2) of the primary collet (A5) is smaller in size than the diameter of the primary mass inner bore (E1.1) of the dual mass flywheel (E0), and the outer wall ii (a 8.1) of the secondary collet (A8) is smaller in size than the diameter of the secondary mass inner bore (E2.1) of the dual mass flywheel (E0).
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| CN201810974621.8A CN108827538B (en) | 2018-08-24 | 2018-08-24 | Automatic centering and grading clamping device for double-mass flywheel of full-automatic balancing machine |
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| CN109871947B (en) * | 2019-03-21 | 2021-10-29 | 哈尔滨工业大学 | Large-scale high-speed rotation equipment multi-stage part initial unbalance amount step-by-step stacking method based on convolutional neural network |
| CN112325754B (en) * | 2020-11-03 | 2022-05-31 | 杭州集智机电股份有限公司 | Mechanical centering measuring device for high-speed balancing machine swing frame |
| CN116625579B (en) * | 2023-07-21 | 2023-09-26 | 济宁市质量计量检验检测研究院(济宁半导体及显示产品质量监督检验中心、济宁市纤维质量监测中心) | Automatic clamping device for dynamic balance test of flexible flywheel for quality monitoring |
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