CN113357305B - Vacuum die-casting machine is with buffering base - Google Patents
Vacuum die-casting machine is with buffering base Download PDFInfo
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- CN113357305B CN113357305B CN202110602487.0A CN202110602487A CN113357305B CN 113357305 B CN113357305 B CN 113357305B CN 202110602487 A CN202110602487 A CN 202110602487A CN 113357305 B CN113357305 B CN 113357305B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/14—Machines with evacuated die cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0235—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means where a rotating member is in contact with fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention is suitable for the technical field of die casting machines, and provides a buffer base for a vacuum die casting machine, which comprises a first supporting plate, a second supporting plate and: the buffer mechanism is arranged between the first support plate and the second support plate and is used for slowing down the vibration of the vacuum die-casting machine during working; and the guide buffer mechanism is arranged between the first supporting plate and the second supporting plate. The during operation of vacuum die casting machine, the second backup pad is because vibrations up-and-down motion, and buffer gear slows down the vibrations of vacuum die casting machine during operation, and the direction subassembly is used for guaranteeing the second backup pad vertical motion when vibrations, and the direction subassembly drives damping buffering subassembly through drive assembly simultaneously and further slows down the vibrations of vacuum die casting machine during operation again, and damping buffering subassembly reduces buffer gear and vibrates the effect at the relapse of during operation.
Description
Technical Field
The invention belongs to the technical field of die casting machines, and particularly relates to a buffer base for a vacuum die casting machine.
Background
The working principle of the vacuum die casting method is that gas in a die cavity of a die casting die is pumped out in the die casting process, so that the mechanical property and the surface quality of a die casting piece are improved in the die casting engineering.
Vacuum die casting machine is when using huge pressure to suppress the deformation to the material, the die casting machine passes through the frame to the great pressure of ground transmission, the die casting machine can shake at the die-casting in-process, vibrations can influence the stability of equipment, make the manufacturing progress of die casting machine descend, lead to production efficiency to descend, reduce the life of equipment, vibrations also can produce the noise simultaneously, the workman can influence hearing in the environment that has the noise for a long time, the health of workman has seriously been influenced.
The vibrations that produce in order to reduce equipment operation in current vacuum die casting machine use shock attenuation buffer gear, and current vibration damping mount adopts the superimposed mode of damper to carry out the shock attenuation, can't make the vibrations power step by step and decrement, and the preceding stage damping force is little, and later stage pressure spring degeneration back shock attenuation effect is weak, and the shock attenuation effect is not good.
Summary of the invention
The embodiment of the invention aims to provide a buffer base for a vacuum die-casting machine, and aims to solve the problems that the existing vacuum die-casting machine uses a damping buffer mechanism for reducing the vibration generated during the operation of equipment, the existing buffer base adopts a mode of superposing the damping mechanism for damping, the vibration force cannot be gradually reduced, the damping force in the early period is small, the damping effect is weakened after the compression spring is denatured in the later period, and the damping effect is not good.
The embodiment of the invention is realized in such a way that the buffer base for the vacuum die casting machine comprises a first supporting plate and a second supporting plate, and further comprises:
the buffer mechanism is arranged between the first support plate and the second support plate and is used for slowing down the vibration of the vacuum die-casting machine during working; and
guide buffer gear, guide buffer gear installs between first backup pad and second backup pad, guide buffer gear includes direction subassembly, drive assembly and damping buffering subassembly, the direction subassembly is used for guaranteeing first backup pad and the relative vertical motion of second backup pad, drive assembly can rotate when relative vertical motion takes place for first backup pad and second backup pad, damping buffering subassembly is used for providing the resistance for drive assembly's rotation, and can rotate when drive assembly rotates.
Further technical scheme, buffer gear includes first buffering subassembly, second buffering subassembly and pneumatic buffering subassembly, first buffering subassembly is used for slowing down the vibrations of vacuum die casting machine during operation, second buffering subassembly and pneumatic buffering subassembly all can further slow down the vibrations of vacuum die casting machine during operation through first buffering subassembly.
Further technical scheme, first buffering subassembly includes rotates fourth connecting rod and the second connecting rod of connecting on the first backup pad, it is connected with sliding shaft and sliding sleeve to rotate respectively on fourth connecting rod and the second connecting rod, sliding shaft and sliding sleeve sliding fit and sliding shaft and sliding sleeve outside are provided with first elastic element, it is connected with third connecting rod and first connecting rod to rotate respectively on sliding shaft and the sliding sleeve, third connecting rod and first connecting rod all rotate with the second backup pad and are connected.
Further technical scheme, the second buffering subassembly includes the first spout that sets up on the first backup pad, it is connected with fifth connecting rod and sixth connecting rod to rotate respectively on fourth connecting rod and the second connecting rod, fifth connecting rod and sixth connecting rod end rotate respectively and are connected with first slider and second slider, first slider and second slider all with first spout sliding connection, be provided with second elastic element between first slider and the second slider.
According to a further technical scheme, the pneumatic buffering assembly comprises a second sliding groove arranged in the sliding sleeve, a third sliding block fixedly connected with the sliding shaft is connected in the second sliding groove in a sliding mode, and high-pressure gas is arranged in the second sliding groove.
According to a further technical scheme, the guide assembly comprises a guide sleeve fixedly mounted on the first supporting plate, and a guide column fixedly connected with the second supporting plate is connected in the guide sleeve in a sliding mode.
According to the technical scheme, the transmission assembly comprises a buffer box fixedly installed at the tail end of the guide sleeve, a rotating sleeve in rotating fit with the guide column is connected in the buffer box, a fourth sliding block is fixedly installed in the rotating sleeve, a third sliding groove in sliding fit with the fourth sliding block is formed in the outer side of the guide column, the guide column drives the guide sleeve to rotate through sliding fit of the fourth sliding block and the third sliding groove, and the guide sleeve drives the damping buffer assembly to rotate.
According to the technical scheme, the damping buffer assembly comprises a buffer solution arranged in a buffer box, buffer blades are fixedly mounted on the outer side of the rotating sleeve, a liquid changing port is formed in the buffer box, and a stop valve is fixedly mounted on the liquid changing port.
According to the buffering base for the vacuum die-casting machine, when the vacuum die-casting machine works, the second supporting plate moves up and down due to vibration, the buffering mechanism slows down the vibration of the vacuum die-casting machine during working, the guide assembly is used for ensuring that the second supporting plate moves vertically during vibration, meanwhile, the guide assembly drives the damping buffering assembly through the driving transmission assembly and further slows down the vibration of the vacuum die-casting machine during working, and the damping buffering assembly reduces repeated vibration of the buffering mechanism during working, so that the vacuum die-casting machine can work stably during working, noise is reduced, and the vacuum die-casting machine is protected.
Drawings
Fig. 1 is a schematic structural diagram of a buffer base for a vacuum die casting machine according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the transmission assembly of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of A in FIG. 1 according to an embodiment of the present invention;
fig. 4 is an enlarged schematic structural diagram of B in fig. 1 according to an embodiment of the present invention.
In the drawings: the device comprises a first supporting plate 1, a guide sleeve 2, a guide post 3, a buffer box 4, a second supporting plate 5, a first connecting rod 6, a second connecting rod 7, a sliding sleeve 8, a sliding shaft 9, a first elastic element 10, a third connecting rod 11, a fourth connecting rod 12, a fifth connecting rod 13, a sixth connecting rod 14, a first sliding block 15, a first sliding groove 16, a second elastic element 17, a second sliding block 18, a rotating sleeve 19, a buffer blade 20, a buffer solution 21, a third sliding block 22, a second sliding groove 23, high-pressure gas 24, a liquid changing port 25, a check valve 26, a third sliding groove 27 and a fourth sliding block 28.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a buffer base for a vacuum die casting machine according to an embodiment of the present invention includes a first supporting plate 1 and a second supporting plate 5, and further includes:
the buffer mechanism is arranged between the first support plate and the second support plate and is used for slowing down the vibration of the vacuum die-casting machine during working; and
guide buffer gear, guide buffer gear installs between first backup pad 1 and second backup pad 5, guide buffer gear includes direction subassembly, drive assembly and damping buffering subassembly, the direction subassembly is used for guaranteeing first backup pad 1 and the relative vertical motion of second backup pad 5, drive assembly can rotate when relative vertical motion takes place for first backup pad 1 and second backup pad 5, damping buffering subassembly is used for providing the resistance for drive assembly's rotation, and can rotate when drive assembly rotates.
In the embodiment of the invention, when the vacuum die-casting machine works, the second supporting plate 5 moves up and down due to vibration, the buffer mechanism slows down the vibration of the vacuum die-casting machine during working, the guide assembly is used for ensuring the vertical movement of the second supporting plate 5 during vibration, meanwhile, the guide assembly drives the damping buffer assembly through the driving transmission assembly and further slows down the vibration of the vacuum die-casting machine during working, and the damping buffer assembly reduces the repeated vibration effect of the buffer mechanism during working, so that the vacuum die-casting machine can work stably during working, the noise is reduced, and the vacuum die-casting machine is protected.
As shown in fig. 1 and 4, as a preferred embodiment of the present invention, the buffering mechanism includes a first buffering assembly, a second buffering assembly and a pneumatic buffering assembly, the first buffering assembly is used for buffering the vibration of the vacuum die-casting machine during operation, and both the second buffering assembly and the pneumatic buffering assembly can further buffer the vibration of the vacuum die-casting machine during operation through the first buffering assembly.
In the embodiment of the invention, when the vacuum die-casting machine works, the second supporting plate 5 moves up and down due to vibration, the first buffer assembly slows down the vibration of the vacuum die-casting machine during working, and simultaneously the first buffer assembly drives the second buffer assembly and the pneumatic buffer assembly to further slow down the vibration of the vacuum die-casting machine during working, so that the vibration force is converted step by step.
As shown in fig. 1 and 4, as a preferred embodiment of the present invention, the first buffer assembly includes a fourth link 12 and a second link 7 rotatably connected to the first support plate 1, a sliding shaft 9 and a sliding sleeve 8 are rotatably connected to the fourth link 12 and the second link 7, respectively, the sliding shaft 9 and the sliding sleeve 8 are in sliding fit, a first elastic element 10 is disposed outside the sliding shaft 9 and the sliding sleeve 8, a third link 11 and a first link 6 are rotatably connected to the sliding shaft 9 and the sliding sleeve 8, respectively, and both the third link 11 and the first link 6 are rotatably connected to the second support plate 5.
In the embodiment of the present invention, the first elastic element 10 may adopt an elastic structure such as a compression spring, a spring plate, rubber, and the like, and in the embodiment, the first elastic element 10 is preferably a compression spring. When the vacuum die casting machine works, the second supporting plate 5 vertically moves up and down due to vibration in the matching of the guide assembly, the second supporting plate 5 rotates through the third connecting rod 11, the first connecting rod 6, the fourth connecting rod 12 and the second connecting rod 7 when moving downwards to drive the sliding shaft 9 and the sliding sleeve 8 to move in opposite directions, and at the moment, the sliding shaft 9 and the sliding sleeve 8 compress the first elastic element 10 to rotate the inertia of the downward movement of the second supporting plate 5 into the elastic potential energy of the first elastic element 10. First buffering subassembly can adopt the elastic steel board to replace in this embodiment, and second backup pad 5 downstream makes the elastic steel board crooked, and elastic steel board elastic bending deformation drives sliding shaft 9 and slip cover 8 motion in opposite directions.
As shown in fig. 1, as a preferred embodiment of the present invention, the second buffer assembly includes a first sliding slot 16 disposed on the first support plate 1, a fifth connecting rod 13 and a sixth connecting rod 14 are respectively and rotatably connected to the fourth connecting rod 12 and the second connecting rod 7, a first sliding block 15 and a second sliding block 18 are respectively and rotatably connected to the end of the fifth connecting rod 13 and the end of the sixth connecting rod 14, the first sliding block 15 and the second sliding block 18 are both slidably connected to the first sliding slot 16, and a second elastic element 17 is disposed between the first sliding block 15 and the second sliding block 18.
In the embodiment of the present invention, the second elastic element 17 may adopt an elastic structure such as a compression spring, a spring plate, rubber, and the like, and in the embodiment, the second elastic element 17 is preferably a compression spring. In the embodiment, the cross section of the sliding matching surfaces of the first sliding block 15 and the second sliding block 18 and the first sliding chute 16 is in a dovetail shape. When the fourth connecting rod 12 and the second connecting rod 7 rotate, the fifth connecting rod 13 and the sixth connecting rod 14 drive the first slider 15 and the second slider 18 to move oppositely, and when the first slider 15 and the second slider 18 move, the second elastic element 17 is compressed, so that the inertia of the downward movement of the second supporting plate 5 is rotated into the elastic potential energy of the second elastic element 17. In this embodiment, the second buffer assembly may be replaced by a crank-link mechanism, the first slider 15 and the second slider 18 push the rack to move to drive the gear to rotate, and then the rotation of the gear is matched with the crank-link to rotate the inertia of the downward movement of the second support plate 5 into the rotation inertia of the crank-link.
As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the pneumatic buffer assembly includes a second sliding groove 23 disposed in the sliding sleeve 8, a third sliding block 22 fixedly connected to the sliding shaft 9 is slidably connected to the second sliding groove 23, and the second sliding groove 23 is provided with a high-pressure gas 24.
In the embodiment of the present invention, when the sliding sleeve 8 and the sliding shaft 9 move towards each other, the third sliding block 22 is pushed to move towards the right in the second sliding groove 23 to compress the high-pressure gas 24, so that the high-pressure gas 24 is compressed to generate the internal energy, and the inertia of the downward movement of the second supporting plate 5 is rotated into the internal energy of the high-pressure gas 24. In this embodiment, the pneumatic buffer assembly may adopt a throttling hole on the third slide block 22, and the third slide block 22 plays a role in buffering by obstructing the flow of gas when moving.
As shown in fig. 1, as a preferred embodiment of the present invention, the guide assembly includes a guide sleeve 2 fixedly mounted on a first support plate 1, and a guide post 3 fixedly connected with a second support plate 5 is slidably connected in the guide sleeve 2.
In the embodiment of the invention, the second supporting plate 5 slides in the guide sleeve 2 when being pushed to move downwards, so that the second supporting plate 5 is ensured to move vertically, and the shearing force generated by inclination when the vacuum die-casting machine moves is avoided. The guide assembly in this embodiment may employ a guide rail and slider combination.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the transmission assembly includes a buffer box 4 fixedly installed at the end of the guide sleeve 2, a rotating sleeve 19 rotatably engaged with the guide post 3 is rotatably connected in the buffer box 4, a fourth slider 28 is fixedly installed in the rotating sleeve 19, a third sliding slot 27 slidably engaged with the fourth slider 28 is disposed on the outer side of the guide post 3, the guide post drives the guide sleeve 2 to rotate through the sliding engagement of the fourth slider 28 and the third sliding slot 27, and the guide sleeve 2 drives the damping buffer assembly to rotate.
In the embodiment of the present invention, the third chute 27 is a spiral chute in the present embodiment. When the guide post 3 moves downwards, the rotating sleeve 19 is driven to rotate through the fourth sliding block 28 and the third sliding groove 27, and when the guide post 3 vertically reciprocates, the rotating sleeve 19 rotates in a reciprocating mode. In this embodiment, the transmission assembly may adopt a rack and a pinion, and then the rotation direction is changed by a bevel gear to drive the rotating sleeve 19 to rotate.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the damping buffer assembly includes a buffer blade 20 fixedly installed outside the rotating sleeve 19, and a buffer solution 21 for limiting the movement of the buffer blade 20 is provided in the buffer tank 4.
In the embodiment of the present invention, the buffer solution 21 may be a viscous liquid such as glycerol, and glycerol is preferred in this embodiment. When the rotating sleeve 19 rotates, the buffering blade 20 is driven to rotate against the viscosity of the buffering liquid 21, the buffering blade 20 stirs the buffering liquid 21 to generate internal energy, and the inertia of the downward movement of the second supporting plate 5 is rotated into the internal energy generated by the buffering liquid 21. In this embodiment, the damping buffer assembly may adopt a friction damping mechanism, friction plates are respectively and fixedly installed in the rotating sleeve 19 and the buffer box 4, the rotating sleeve 19 drives the two friction plates to rotate with each other, and the inertia of the downward movement of the second supporting plate 5 is rotated into the internal energy generated by the friction plates.
As shown in fig. 1 and 2, a liquid change port 25 is provided on the buffer tank 4, and a check valve 26 is fixedly mounted on the liquid change port 25.
In the embodiment of the present invention, the liquid changing port 25 is used for changing and replenishing the buffer liquid 21 in the buffer tank 4, and the check valve 26 prevents the buffer liquid 21 from leaking.
The above embodiment of the present invention provides a buffer base for a vacuum die casting machine, when the vacuum die casting machine works, the second support plate 5 vertically moves up and down due to the cooperation of the guide assembly, when the second support plate 5 moves down, the third link 11, the first link 6, the fourth link 12 and the second link 7 rotate to drive the sliding shaft 9 and the sliding sleeve 8 to move towards each other, at this time, the sliding shaft 9 and the sliding sleeve 8 compress the first elastic element 10 to rotate the inertia of the downward movement of the second support plate 5 into the elastic potential energy of the first elastic element 10, when the fourth link 12 and the second link 7 rotate, the fifth link 13 and the sixth link 14 drive the first slider 15 and the second slider 18 to move towards each other, when the first slider 15 and the second slider 18 move, the second elastic element 17 is compressed, and the inertia of the downward movement of the second support plate 5 is rotated into the elastic potential energy of the second elastic element 17, when the sliding sleeve 8 and the sliding shaft 9 move towards each other, the third sliding block 22 is pushed to move towards the right in the second sliding groove 23 to compress the high-pressure gas 24, so that the high-pressure gas 24 is compressed to generate internal energy, the downward movement inertia of the second supporting plate 5 is rotated into the internal energy of the high-pressure gas 24, when the second supporting plate 5 moves downwards, the guide post 3 is pushed to slide in the guide sleeve 2, so that the vertical movement of the second supporting plate 5 is ensured, the shearing force generated by the inclination of the vacuum die casting machine during the movement is avoided, when the guide post 3 moves downwards, the fourth sliding block 28 and the third sliding groove 27 drive the rotating sleeve 19 to rotate, when the guide post 3 vertically reciprocates, the rotating sleeve 19 drives the buffer blade 20 to rotate against the viscosity of the buffer solution 21 during the rotation of the rotating sleeve 19, the buffer blade 20 stirs the buffer solution 21 to generate internal energy, and the downward movement inertia of the second supporting plate 5 is rotated into the internal energy generated by the buffer solution 21, thereby slowing down the vibration generated during the work of the vacuum die casting machine.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a vacuum is buffer base for die-casting machine, includes first backup pad and second backup pad, its characterized in that still includes:
the buffer mechanism is arranged between the first support plate and the second support plate and is used for slowing down the vibration of the vacuum die-casting machine during working; and
the guide buffer mechanism is arranged between the first support plate and the second support plate and comprises a guide component, a transmission component and a damping buffer component, the guide component is used for ensuring the relative vertical motion of the first support plate and the second support plate, the transmission component can rotate when the first support plate and the second support plate generate the relative vertical motion, and the damping buffer component is used for providing resistance for the rotation of the transmission component and can rotate when the transmission component rotates;
the guide assembly comprises a guide sleeve fixedly mounted on the first support plate, and a guide post fixedly connected with the second support plate is connected in the guide sleeve in a sliding manner;
the transmission assembly comprises a buffer box fixedly mounted at the tail end of the guide sleeve, a rotating sleeve rotatably matched with the guide post is connected in the buffer box, a fourth sliding block is fixedly mounted in the rotating sleeve, a third sliding groove in sliding fit with the fourth sliding block is formed in the outer side of the guide post, the guide post drives the guide sleeve to rotate through the sliding fit of the fourth sliding block and the third sliding groove, and the guide sleeve drives the damping buffer assembly to rotate;
the damping buffer assembly comprises buffer blades fixedly mounted on the outer side of the rotating sleeve, and a buffer solution used for limiting the movement of the buffer blades is arranged in the buffer box.
2. The buffering base for the vacuum die casting machine according to claim 1, wherein the buffering mechanism comprises a first buffering component, a second buffering component and a pneumatic buffering component, the first buffering component is used for slowing down the vibration of the vacuum die casting machine during working, and the second buffering component and the pneumatic buffering component can further slow down the vibration of the vacuum die casting machine during working through the first buffering component.
3. The cushion pan for vacuum die casting machine according to claim 2, wherein the first cushion assembly comprises a fourth connecting rod and a second connecting rod rotatably connected to the first support plate, the fourth connecting rod and the second connecting rod are rotatably connected to a sliding shaft and a sliding sleeve respectively, the sliding shaft and the sliding sleeve are slidably fitted, a first elastic element is disposed outside the sliding shaft and the sliding sleeve, the sliding shaft and the sliding sleeve are rotatably connected to a third connecting rod and a first connecting rod respectively, and the third connecting rod and the first connecting rod are rotatably connected to the second support plate.
4. The cushion pan for vacuum die casting machine according to claim 3, wherein the second cushion assembly comprises a first sliding groove formed on the first supporting plate, a fifth connecting rod and a sixth connecting rod are respectively rotatably connected to the fourth connecting rod and the second connecting rod, a first sliding block and a second sliding block are respectively rotatably connected to the end of the fifth connecting rod and the end of the sixth connecting rod, the first sliding block and the second sliding block are both slidably connected to the first sliding groove, and a second elastic element is disposed between the first sliding block and the second sliding block.
5. The cushion pan for vacuum die casting machine according to claim 3, wherein the pneumatic cushion assembly comprises a second sliding groove disposed in the sliding sleeve, a third sliding block fixedly connected with the sliding shaft is slidably connected in the second sliding groove, and the second sliding groove is provided with high-pressure gas.
6. The cushion pan for vacuum die casting machine according to claim 1, wherein the cushion box is provided with a liquid changing port, and a check valve is fixedly mounted on the liquid changing port.
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| CN113357305A (en) | 2021-09-07 |
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Denomination of invention: A buffer base for vacuum die-casting machines Effective date of registration: 20230614 Granted publication date: 20220923 Pledgee: Jiangsu Qidong rural commercial bank Co.,Ltd. Binhai Xincheng sub branch Pledgor: QIDONG BAYOU PRECISION AUTO PARTS Co.,Ltd. Registration number: Y2023980043983 |