CN117960923B - Self-lubricating shock attenuation buffer sleeve and stamping device - Google Patents
Self-lubricating shock attenuation buffer sleeve and stamping device Download PDFInfo
- Publication number
- CN117960923B CN117960923B CN202410370196.7A CN202410370196A CN117960923B CN 117960923 B CN117960923 B CN 117960923B CN 202410370196 A CN202410370196 A CN 202410370196A CN 117960923 B CN117960923 B CN 117960923B
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- sleeve
- buffer
- oil
- lubricating
- elastic
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- 239000000872 buffer Substances 0.000 title claims abstract description 172
- 230000035939 shock Effects 0.000 title claims abstract description 18
- 230000003139 buffering effect Effects 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- 238000005461 lubrication Methods 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 77
- 239000010687 lubricating oil Substances 0.000 claims description 43
- 238000007789 sealing Methods 0.000 claims description 23
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 28
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000013016 damping Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 230000013011 mating Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to the technical field of shock absorption and buffering, and discloses a self-lubricating shock absorption buffer sleeve and a stamping device, wherein the shock absorption buffer sleeve comprises a bottom plate and a top plate, supporting columns with two ends fixed with the bottom plate are arranged at four corners of the top plate and the bottom plate, a pressing plate matched with the supporting columns in a guiding way is arranged at the lower end of the top plate, the self-lubricating shock absorption buffer sleeve is sleeved on the supporting columns, the self-lubricating shock absorption buffer sleeve comprises a sleeve body sleeved on the supporting columns, the sleeve body comprises an upper sleeve, a middle sleeve and a lower sleeve, a buffer assembly is arranged among the upper sleeve, the middle sleeve and the lower sleeve, the buffer assembly comprises a component part which breaks down the total pressure into horizontal force and vertical force after the upper sleeve is pressed, a horizontal lubrication buffer part which buffers the horizontal force and simultaneously lubricates the supporting columns matched with the sleeve body, and a vertical buffer part which can lubricate the supporting columns and the pressing plate matched with the buffer sleeve while obviously improving the buffer performance, the abrasion degree of the parts is reduced, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of shock absorption and buffering, in particular to a self-lubricating shock absorption buffer sleeve and a stamping device.
Background
The structure of the existing stamping die can refer to a China patent publication No. CN210755077U to disclose a precision mechanical stamping die, which comprises a base plate, a support column, a top plate, an oil cylinder, a pressing plate, an upper die, a stamping table and a lower die, wherein the support column is arranged at the upper ends of four corners of the base plate, the two ends of the support column are respectively fixed with the top plate and the bottom plate, the lower end of the top plate is downwards and sequentially fixed with the oil cylinder, the top plate is fixed with the end part of a piston rod, the upper end of the bottom plate is sequentially and upwards fixed with the stamping table and the lower die, during stamping, the piston rod of the oil cylinder stretches out to drive the top plate to vertically move downwards along the support column, the upper die and the lower die are clamped, and then the product is stamped, and when the piston rod of the oil cylinder is retracted, the upper die and the lower die are opened, and the product can be taken out.
In order to avoid the impact of gravity and rebound of a stamping head positioned on an upper die during stamping, the lower die is secondarily hit during die assembly to influence stamping quality, the patent discloses a buffer structure for buffering, the buffer structure comprises four groups of mounting blocks fixed on two sides of the upper die, a base plate fixed at the lower end of the mounting blocks and a buffer sleeve fixed at the lower end of the base plate, a buffer sleeve rod is inserted in the buffer sleeve, liquid is filled between the buffer sleeve rod and the buffer sleeve rod, the lower end of the buffer sleeve rod extends out of the lower end of the buffer sleeve rod, a buffer cushion is fixed at the bottom of the buffer sleeve rod, a limit groove for the insertion of the descending buffer cushion is sunken on the lower die, and buffer springs with two ends respectively in elastic butt with the buffer cushion and the base plate are sleeved outside the buffer sleeve.
The buffer structure provides buffering through the liquid between the spring, the buffer sleeve and the buffer sleeve which are vertically sleeved, the buffering is in a vertical direction, the requirement on unidirectional buffering performance of the buffer structure is high, in addition, in the die assembly, sliding friction between the buffer pad and the limiting groove and between the buffer sleeve and the buffer sleeve is large, and in repeated die opening and closing movements, the matched parts are easy to wear due to lack of lubrication, so that the buffering effect is affected.
Disclosure of Invention
Aiming at the defects that in the existing mold clamping device, a buffer structure is only used for buffering in the vertical direction, the requirement on unidirectional buffer performance of the buffer structure is high, and the buffer structure is easy to wear, the first aim of the invention is to provide the self-lubricating shock-absorbing buffer sleeve which can be used for automatically lubricating to reduce wear while obviously improving the buffer performance.
In order to solve the technical problems, the invention is solved by the following technical scheme:
The self-lubricating damping buffer sleeve comprises a sleeve body which can be used for a support column to pass through, wherein the sleeve body comprises an upper sleeve, a middle sleeve and a lower sleeve which are vertically spaced and concentrically arranged, a buffer assembly is arranged between the upper sleeve, the middle sleeve and the lower sleeve, the buffer assembly comprises a component part which is used for decomposing total pressure into horizontal force and vertical force after the upper sleeve is pressed, a horizontal lubricating buffer part which is used for buffering the horizontal force and simultaneously lubricating a support column matched with the sleeve body and a vertical buffer part which is used for buffering the vertical force, the component part comprises buffer arms which are pivoted with each other through a pivot spindle, one end of each buffer arm is pivoted with the upper sleeve and the lower sleeve respectively, the horizontal lubricating buffer part comprises an elastic inner film and an elastic outer film which are respectively arranged at the inner side and the outer side, and is provided with an oil passing cavity, the elastic inner film and the elastic outer film are uniformly distributed on the elastic inner film, the upper end and the lower end of the elastic inner film is respectively fixed with the upper sleeve and the lower sleeve in a sealing manner, the elastic inner film is fixed with the upper sleeve and the middle sleeve, the elastic outer film is provided with the elastic oil storage film, one end of each buffer oil supply part comprises a matched sleeve which is rotatably arranged on the pivot spindle, a piston matched with the piston in a sealing manner and is in a sealing manner, one end of the rod body is matched with the piston is arranged in the piston rod body and is in the end of the piston body and is matched with the piston through the end of the piston which is arranged in the hollow sleeve, and the end of the piston is in the hollow sleeve, and the end is matched with the piston is near the end of the piston is arranged in the end of the piston is in the end of the piston cavity is in the hollow sleeve, and the end is in the piston cavity is matched with the end cavity is near the end is matched with the end is and the end is matched with the piston; when the upper sleeve is reset, excessive lubricating oil is sucked back into the rod cavity of the matched sleeve.
By adopting the scheme, the buffer assembly decomposes the lower pressure received by the upper sleeve into horizontal force and vertical force through the component force component part, and buffers the horizontal force and the vertical force through the horizontal lubrication buffer part and the vertical buffer part respectively, compared with the existing structure for buffering only through the vertical direction, the strength requirement on the vertical buffer performance is reduced, the radial abrasion possibly caused by horizontal external force to the sleeve body is reduced, the service life of the sleeve body is prolonged, the stability of the movement during compression reset is improved, after the upper sleeve is pressed, the lubricating oil and the horizontal buffer spring in the horizontal lubrication buffer part can simultaneously provide the horizontal buffer effect, the lubricating oil can be automatically added to one side of the elastic inner film close to the supporting column, the supporting column is lubricated, after the buffer sleeve is sleeved on the supporting column, along with the downward pressing of the pressing plate, the pressing plate and the supporting column can be coated to the lubricating oil at the position of the splicing fit, the continuous smooth movement of the pressing plate can be kept in the follow-up movement process of the pressing plate, the service life of the parts is prolonged, when the upper sleeve loses the reset, the oil outlet hole forms the negative pressure to form the excessive lubricating oil in the sleeve body and the matched with the buffer rod body, the required by the buffer performance is reduced, and the self-life of the buffer sleeve can be prolonged, and the buffer performance can be reduced.
Preferably, the inner annular wall of the lower sleeve is embedded with a sealing ring which is in elastic interference fit with the support column, and the inner annular wall of the upper sleeve is embedded with an oil absorption sponge which is in elastic interference fit with the support column.
By adopting the scheme, the sealing ring is used for preventing lubricating oil from leaking downwards to the bottom plate, the oil absorption sponge can absorb a proper amount of lubricating oil when the upper sleeve is pressed downwards and the lubricating oil enters between the elastic inner membrane and the support column, and can coat the lubricating oil on the support column corresponding to the upper sleeve resetting stroke when the upper sleeve is reset, after the pressing plate is pressed downwards subsequently, the guide hole or the guide sleeve of the pressing plate can be stained with the lubricating oil, and the moving lubricity of the pressing plate is maintained during subsequent movement.
Preferably, a first avoiding groove is recessed in the middle of one end, close to the pivot main shaft, of the buffer arm, and one end, far away from the limiting piece, of the matched sleeve is pivoted on the pivot main shaft and located between two side walls of the first avoiding groove.
By adopting the scheme, the matched sleeve is arranged between the first avoidance grooves in the middle of the pivot spindle, and the structure is more compact while the stress is uniform.
Preferably, the vertical buffer part comprises an upright post and a vertical buffer spring, wherein the upright post is arranged on the upper end surface and the lower end surface of the matched sleeve and extends vertically in the upper sleeve direction and the lower sleeve direction respectively, the vertical buffer spring is sleeved on the upright post, a sliding seat is fixed at one end of the upright post, which is close to the matched sleeve, a guide structure for the sliding seat to slide along the radial direction parallel to the middle sleeve is arranged between the sliding seat and the matched sleeve, a second avoidance groove is formed in the buffer arm, a pivoting block allowing the upright post to pass through is pivoted in the second avoidance groove, and two ends of the vertical buffer spring are respectively in elastic butt joint with the pivoting block and the sliding seat.
By adopting the scheme, the pin joint piece pin joint is in the second dodge the inslot, along with opening and closing of buffer arm, the pin joint piece can keep the horizontality all the time in order to ensure stand and rather than direction cooperation, and the slide then can slide along the cooperation sleeve pipe self-adaptation in order to guarantee stand and pin joint piece's direction cooperation, and above-mentioned structure can guarantee that vertical buffer spring is vertical compression and reset movement, ensures that vertical buffer spring provides is vertical buffer force.
Preferably, the guiding structure comprises guide rails protruding from the two ends of the matching sleeve close to the upper sleeve and the lower sleeve along the radial direction parallel to the middle sleeve, and guide grooves arranged on the sliding seat for the guide rails to be embedded and guided to slide.
Preferably, an auxiliary structure for improving the oil transportation and oil absorption efficiency and increasing the longitudinal buffer performance is arranged in the oil passing cavity.
As the preference, auxiliary structure includes that both ends are upwards overlapped the elastic sleeve that lower cover direction extends, seal in the stereoplasm backup pad at elastic sleeve both ends and be located the elastic sleeve and the both ends respectively with the supplementary buffer spring of two stereoplasm backup pads elasticity butt, the body of rod seals one side lateral wall of passing the elastic sleeve and the locating part is located the elastic sleeve inside, the equipartition has the oil micropore that crosses that can supply lubricating oil to come in and go out on the elastic sleeve.
By adopting the scheme, after the hard support plates, the auxiliary buffer springs and the elastic sleeve with the oil passing micropores are combined, when the upper sleeve and the lower sleeve are mutually close, the upper and lower hard support plates are driven to be respectively abutted with the upper sleeve and the lower sleeve, at the moment, the auxiliary buffer springs can perform longitudinal auxiliary buffer, and meanwhile, the elastic sleeve is extruded to accelerate the discharge of lubricating oil; after the upper sleeve and the lower sleeve are mutually far away, the auxiliary buffer spring is reset, so that the elastic sleeve can be driven to longitudinally reset, the contact area with lubricating oil is increased, and the efficiency of sucking lubricating oil back is improved.
Preferably, an oiling structure is arranged on the matching sleeve, and the oiling structure comprises an oiling pipe and a sealing piece, wherein the oiling pipe is arranged at one end of the matching sleeve, which is close to the upper sleeve, and is upwards protruded at one end of the piston, which is close to the rod cavity, and the sealing piece is used for sealing the oiling pipe.
By adopting the scheme, when the lubricating oil is lost in the matched sleeve, the self-lubricating performance of the buffer sleeve can be ensured by adding the lubricating oil into the oil injection pipe.
Preferably, the buffer assembly is provided with at least two groups uniformly spaced around the circumference of the upper sleeve, the middle sleeve and the lower sleeve.
The second object of the invention is to provide a stamping device, which comprises a bottom plate, a stamping table fixed on the bottom plate and a top plate, wherein supporting columns with two ends fixed with the bottom plate are arranged at four corners of the top plate and the bottom plate, a pressing plate matched with the supporting columns in a guiding way is arranged at the lower end of the top plate, a driving mechanism for driving the pressing plate to lift is arranged between the pressing plate and the top plate, and the supporting columns are sleeved with self-lubricating damping buffer sleeves.
By adopting the scheme, after the driving mechanism drives the pressing plate to press downwards, the pressing plate is propped against the upper sleeve of the buffer sleeve, the upper sleeve and the middle sleeve are close to each other, the buffer arm is folded, the vertical buffer part and the horizontal lubrication buffer part are buffered simultaneously, meanwhile, lubricating oil sequentially passes through the rod body and the oil passing cavity of the self-matching sleeve and enters between the elastic inner film and the support column to lubricate the support column, along with the continuous descending of the upper sleeve, the guide hole or the guide sleeve on the pressing plate can be contacted with the support column containing lubricating oil, the guide hole or the guide sleeve of the pressing plate is lubricated, and the follow-up ascending and resetting process of the pressing plate can continuously lubricate and run.
The invention has the remarkable technical effects due to the adoption of the technical scheme: the buffer assembly decomposes the lower pressure that the cover received into horizontal force and vertical force through the component force part to buffer horizontal force and vertical force through horizontal lubrication buffer portion and vertical buffer portion respectively, compare in the current structure that only cushions through vertical direction, both reduced the intensity demand to vertical buffer performance, still reduced the radial wearing and tearing that horizontal external force probably caused the cover body, increase the life of cover body and the stability of motion when compressing and resetting, go up the cover pressurized back, lubricating oil and horizontal buffer spring in the horizontal lubrication buffer portion can provide horizontal buffering effect simultaneously, can also automatic add lubricating oil to one side that elastic inner membrance is close to the support column, lubricate the support column, after the buffer cover is established on the support column, along with the push down of clamp plate, clamp plate and support column grafting complex position can be coated to lubricating oil, in the subsequent motion process of clamp plate, can keep clamp plate continuous smooth removal, reduce the wearing and tearing between clamp plate and the support column, when the cover loses the pressure and resets, the life of the body of rod body, the oil outlet hole that follows the body and forms the negative pressure and returns to the cooperation of the sleeve pipe to the lower level of the buffer rod in the level of the buffer cover that has the level of the cooperation to the buffer performance of the same time, the level of the buffer cover can be reduced to the buffer the level of the buffer cover and the buffer performance of the buffer cover, the level of the buffer cover is prepared for the buffer cover to the level of the buffer.
Drawings
FIG. 1 is a front view of a self-lubricating shock-absorbing buffer jacket in accordance with the present embodiment in a normal state;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is an enlarged view of A of FIG. 2;
FIG. 4 is a cross-sectional view of B-B of FIG. 2;
Fig. 5 is an enlarged view of B of fig. 4;
FIG. 6 is a front view of the self-lubricating damping sleeve of the present embodiment when compressed;
FIG. 7 is a cross-sectional view of C-C of FIG. 6;
FIG. 8 is an isometric view of a self-lubricating damping sleeve of the present embodiment when compressed;
Fig. 9 is an enlarged view of C of fig. 8;
fig. 10 is a front view of the press apparatus of the present embodiment.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. sleeving; 2. a lower sleeve; 3. a middle sleeve; 4. matching the sleeve; 401. a rod cavity is arranged; 5. a buffer arm; 6. a main shaft is pivoted; 7. a pivot block; 8. a guide rail; 9. a slide; 901. a guide groove; 10. a column; 11. a vertical buffer spring; 12. a first avoidance groove; 13. a second avoidance groove; 14. a seal ring; 15. a piston; 16. an elastic inner membrane; 1601. an oil outlet micropore; 17. an elastic outer membrane; 18. passing through the oil cavity; 19. a rod body; 20. an oil inlet hole; 21. a horizontal buffer spring; 22. a filler pipe; 23. a closure; 24. a limiting piece; 25. an oil outlet hole; 27. an elastic sleeve; 28. an auxiliary buffer spring; 29. oil passing micropores; 30. a hard support plate; 31. a top plate; 32. a bottom plate; 33. a pressing plate; 34. a support column; 35. a driving mechanism; 36. a stamping table; 37. an oil absorbing sponge.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model provides a stamping device, refer to fig. 10 and show, including roof 31 and bottom plate 32 that set up from top to bottom, roof 31 and bottom plate 32's four corners department is fixed with support column 34, roof 31 below is provided with simultaneously with four support column 34 guide complex clamp plate 33, be fixed with the actuating mechanism 35 that can drive clamp plate 33 vertical lift at roof 31 lower terminal surface, this actuating mechanism 35 is the hydro-cylinder, be fixed with the guide pin bushing that can supply support column 34 to lead to pass on the clamp plate 33, clamp plate 33 lower terminal surface can be fixed with different punching press cope dies (not shown), be fixed with punching press platform 36 at bottom plate 32 up end face center, punching press platform 36 up end can be fixed with different punching press drag dies (not shown).
Each support column 34 is sleeved with a self-lubricating shock-absorbing buffer sleeve, and is shown in combination with fig. 1-9, the self-lubricating shock-absorbing buffer sleeve comprises a sleeve body, the sleeve body comprises an upper sleeve 1, a middle sleeve 3 and a lower sleeve 2 which are vertically spaced and concentrically arranged, the support columns 34 sequentially penetrate through the upper sleeve 1, the middle sleeve 3 and the lower sleeve 2, the lower end face of the lower sleeve 2 is attached to the upper end face of a bottom plate 32, a buffer assembly is arranged between the upper sleeve 1, the middle sleeve 3 and the lower sleeve 2, four groups of buffer assemblies are uniformly spaced circumferentially around the upper sleeve 1, the middle sleeve 3 and the lower sleeve 2, and each buffer assembly comprises component parts which decompose total pressure into horizontal force and vertical force after the upper sleeve 1 is subjected to the downward pressure of a pressing plate 33, a horizontal lubrication buffer part which is used for self-lubricating the support columns 34 and a vertical buffer part which is used for buffering the vertical force.
The component force component part comprises buffer arms 5 pivoted with each other through a pivot spindle 6, and one ends of the buffer arms 5 opposite to each other are pivoted with one side opposite to the upper sleeve 1 and the lower sleeve 2 respectively.
The horizontal lubrication buffer part comprises a uniform oil outlet part and a buffer oil storage and supply part, as shown in the combined figures 2-7, the uniform oil outlet part comprises an elastic inner film 16 and an elastic outer film 17 which are arranged inside and outside and are provided with an oil passing cavity 18 between the two, oil outlet micropores 1601 are uniformly distributed on the elastic inner film 16, the upper end and the lower end of the elastic inner film are respectively sealed and fixed with the upper sleeve 1 and the lower sleeve 2, the elastic outer film 17 is simultaneously sealed and fixed with the upper sleeve 1, the middle sleeve 3 and the lower sleeve 2, the buffer oil storage and supply part comprises a matched sleeve 4, a first avoiding groove 12 is recessed in the middle part of one end of a buffer arm 5 close to a pivot spindle 6, one end of the matched sleeve 4 is pivoted on the pivot spindle 6 and is positioned between two side walls of the first avoiding groove 12, a piston 15 is hermetically moved in the matched sleeve 4, one end of the piston 15 far from the pivot spindle 6 is fixedly provided with a rod body 19 extending out of the matched sleeve 4 and penetrating through the middle sleeve 3 into the oil passing cavity 18, the end of the rod 19 is provided with a limiting piece 24 limiting the limiting piece which is separated from the oil passing cavity 18, lubricating oil is arranged in the rod cavity 401 of the matched sleeve 4, the rod body 19 is internally hollow, one end of the rod body 19 is near the piston 15, one end of the piston 15 is near the piston 15 and one end is near the piston 20 and is provided with a spring-free end 25 which is in the end of the sleeve 20 and is in a position near the end of the piston 20 and is in a position near the piston 1 and is in a position of the piston sleeve 20 and is in a position where the end of the oil passing cavity 21 is in which is in a spring is in a position matched with and is in a position; when the upper sleeve 1 is reset, excessive lubricating oil is sucked back into the rod cavity 401 of the matching sleeve 4.
The inner annular wall of the lower sleeve 2 is embedded with a sealing ring 14 which is in elastic interference fit with the supporting column 34, the inner annular wall of the upper sleeve 1 is embedded with an oil absorption sponge 37 which is in elastic interference fit with the supporting column 34, the sealing ring 14 is used for preventing lubricating oil from leaking downwards onto the bottom plate 32, the oil absorption sponge 37 can absorb a proper amount of lubricating oil when the upper sleeve 1 is pressed downwards and the lubricating oil enters between the elastic inner membrane 16 and the supporting column 34, and can coat the lubricating oil on the supporting column 34 corresponding to the resetting stroke of the upper sleeve 1 when the upper sleeve 1 is reset, and when the pressing plate 33 is pressed downwards subsequently, the guide hole or the guide sleeve of the pressing plate 33 can be infected with the lubricating oil and maintain the moving lubricity of the pressing plate 33 during subsequent movement.
An auxiliary structure for improving oil transportation and oil absorption efficiency and increasing longitudinal buffer performance is arranged in the oil passing cavity 18, and is shown in combination with fig. 2-7, the auxiliary structure comprises an elastic sleeve 27, two ends of which extend upwards in the direction of the sleeve 1 and the lower sleeve 2, a hard support plate 30 and an auxiliary buffer spring 28, wherein the hard support plate 30 is fixed at two ends of the elastic sleeve 27 in a sealing manner, the two ends of the auxiliary buffer spring 28 are respectively in elastic butt joint with the two hard support plates 30, a rod body 19 passes through one side wall of the elastic sleeve 27 in a sealing manner, a limiting piece 24 is positioned in the elastic sleeve 27, oil passing micropores 29 for allowing lubricating oil to enter and exit are uniformly distributed on the elastic sleeve 27, after the hard support plate 30, the auxiliary buffer spring 28 and the elastic sleeve 27 with the oil passing micropores 29 are combined, when the upper sleeve 1 and the lower sleeve 2 are mutually close, the upper and lower hard support plates 30 are respectively abutted with the upper sleeve 1 and the lower sleeve 2, at the moment, the auxiliary buffer spring 28 can perform longitudinal auxiliary buffer, and the elastic sleeve 27 is extruded to accelerate the discharge of lubricating oil; when the upper sleeve 1 and the lower sleeve 2 are far away from each other, the auxiliary buffer spring 28 is reset, so that the elastic sleeve 27 can be driven to longitudinally reset, the contact area with lubricating oil is increased, and the efficiency of sucking the lubricating oil back is improved.
The oil injection structure is arranged on the matching sleeve 4, as shown in fig. 3, the oil injection structure comprises an oil injection pipe 22 protruding upwards at one end of the matching sleeve 4 close to the upper sleeve 1 at one end of the piston 15 close to the rod cavity 401, and a sealing piece 23 for sealing the oil injection pipe 22, wherein the sealing piece 23 is an elastic plug inserted in the oil injection pipe 22 in an elastic interference manner or a threaded cover in threaded connection with the oil injection pipe.
Referring to fig. 2 and 6, the vertical buffer portion includes a vertical column 10 disposed on the upper and lower end surfaces of the mating sleeve 4 and extending vertically in the directions of the upper and lower sleeves 1 and 2, respectively, and a vertical buffer spring 11 sleeved on the vertical column 10, one end of the vertical column 10 near the mating sleeve 4 is fixed with a sliding seat 9, a guiding structure for sliding the sliding seat 9 along the radial direction of the middle sleeve 3 is disposed between the sliding seat 9 and the mating sleeve 4, the guiding structure includes a guide rail 8 protruding along the radial direction parallel to the middle sleeve 3 near the two ends of the mating sleeve 4 near the upper sleeve 1 and the lower sleeve 2, a guide groove 901 disposed on the sliding seat 9 for embedding the guide rail 8, a second avoiding groove 13 is disposed on the buffer arm 5, a pivoting block 7 for the vertical column 10 to pass through is pivoted in the second avoiding groove 13, and two ends of the vertical buffer spring 11 are elastically abutted with the pivoting block 7 and the sliding seat 9, respectively.
The buffering principle of the self-lubricating damping buffer sleeve is as follows: when the pressing plate 33 is pressed down and generates certain pressure on the upper sleeve 1, the upper sleeve 1 and the middle sleeve 3 are close to the lower sleeve 2 at the same time, the buffer arms 5 are mutually folded, at the moment, the pivot main shaft 6 moves horizontally in the direction away from the middle sleeve 3, the pivot block 7 rotates relative to the buffer arms 5 and keeps a horizontal state all the time, the sliding seat 9 slides relative to the guide rail 8, the distance between the pivot block 7 and the matched sleeve 4 is reduced, the vertical buffer spring 11 compresses to provide a vertical buffer force, and meanwhile, the upper sleeve 1 presses down the hard support plate 30, so that the auxiliary buffer spring 28 compresses to provide a vertical buffer force; simultaneously, as the pivot spindle 6 moves horizontally in the direction away from the middle sleeve 3, the piston 15 moves horizontally in the direction close to the middle sleeve 3, the horizontal buffer spring 21 compresses, lubricating oil is extruded, the horizontal buffer spring 21 and lubricating oil simultaneously provide dual horizontal buffer force, lubricating oil sequentially enters the elastic sleeve 27 from the rod body 19, the oil passing cavity 18 and finally enters between the supporting column 34 and the elastic inner membrane 16 from the oil outlet micropore 1601, the supporting column 34 between the sealing ring 14 and the oil absorbing sponge 37 is lubricated, as the upper sleeve 1 and the lower sleeve 2 are relatively close, the lubricating oil between the sealing ring 14 and the oil absorbing sponge 37 is extruded to infiltrate the upper oil absorbing sponge 37, as the upper sleeve 1 rises, the lubricating oil on the oil absorbing sponge 37 is coated on the supporting column 34 corresponding to the rising stroke of the upper sleeve 1, in the next die closing cycle, as the upper sleeve 1 descends again, the guide hole or the guide sleeve of the pressing plate 33 is contacted with the lubricating oil on the supporting column 34 exposed along with the falling of the upper sleeve 1, the subsequent lifting process can enable the pressing plate 33 to be more smooth, as the pressing plate 33 ascends, as the upper sleeve 1 and the middle sleeve 3 ascends, the reset arm 5 resets, and the oil passing through the reset arm 5 and enters the oil outlet hole 25 to the oil outlet hole 401 from the reset cavity 25 to the end, and finally enters the oil outlet hole 25 to the oil outlet hole 25.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. The utility model provides a self-lubricating shock attenuation cushion collar, includes the cover body that can supply support column (34) to pass, its characterized in that: the sleeve body comprises an upper sleeve (1), a middle sleeve (3) and a lower sleeve (2) which are vertically spaced and concentrically arranged, a buffer assembly is arranged among the upper sleeve (1), the middle sleeve (3) and the lower sleeve (2), the buffer assembly comprises a component force component part which decomposes total pressure into horizontal force and vertical force after the upper sleeve (1) is pressed, a horizontal lubrication buffer part which is used for buffering the horizontal force and simultaneously lubricating a support column (34) matched with the sleeve body, and a vertical buffer part which is used for buffering the vertical force, the component force part comprises buffer arms (5) which are mutually pivoted through a pivot spindle (6), one end of the buffer arm (5) which is opposite to the other end is pivoted with the upper sleeve (1) and the lower sleeve (2) respectively, the horizontal lubrication buffer part comprises an even oil outlet part and a buffer oil storage oil supply part, the even oil outlet part comprises an elastic inner film (16) and an elastic outer film (17), an oil cavity (18) is formed between the even oil outlet part and the inner and outer settings, oil outlet micropores (1601) are uniformly distributed on the elastic inner film (16) and the upper and lower ends are respectively and hermetically fixed with the upper sleeve (1) and the lower sleeve (2), the elastic outer film (17) is simultaneously and hermetically fixed with the upper sleeve (1), the middle sleeve (3) and the lower sleeve (2), and the buffer oil storage oil supply part comprises a matched sleeve (4) with one end which is rotationally arranged on a pivoted main shaft (6), the piston (15) moving in the matching sleeve (4) in a sealing way and a rod body (19) with one end fixed with the piston (15) and the other end extending out of the matching sleeve (4) and penetrating through the middle sleeve (3) to enter the oil passing cavity (18), a limiting piece (24) limiting the rod body (19) to be separated from the oil passing cavity (18) is arranged at the end part of the rod body (19), lubricating oil is arranged in a rod cavity (401) of the matching sleeve (4), the interior of the rod body (19) is hollow, an oil inlet hole (20) is formed in one end, close to the piston (15), of the rod body (19) and an oil outlet hole (25) for injecting lubricating oil into the oil passing cavity (18) is formed in one end, close to the limiting piece (24), a horizontal buffer spring (21) with two ends elastically abutted against the end parts of the piston (15) and the end part of the matching sleeve (4) is sleeved outside the rod body (19), and when the upper sleeve (1) is pressed, the lubricating oil is oozes out from the oil outlet micropores (1601); when the upper sleeve (1) is reset, excessive lubricating oil is sucked back into the rod cavity (401) of the matched sleeve (4).
2. The self-lubricating shock absorbing buffer sleeve according to claim 1, wherein: the inner annular wall of the lower sleeve (2) is embedded with a sealing ring (14) which is in elastic interference fit with the supporting column (34), and the inner annular wall of the upper sleeve (1) is embedded with an oil absorption sponge (37) which is in elastic interference fit with the supporting column (34).
3. The self-lubricating shock absorbing buffer sleeve according to claim 1, wherein: the middle part of one end of the buffer arm (5) close to the pivot spindle (6) is sunken with a first avoiding groove (12), and one end of the matching sleeve (4) far away from the limiting piece (24) is pivoted on the pivot spindle (6) and positioned between two side walls of the first avoiding groove (12).
4. A self-lubricating shock absorbing buffer sleeve according to claim 3, wherein: the vertical buffer part comprises an upright post (10) which is arranged on the upper end face and the lower end face of the matched sleeve (4) and extends vertically in the directions of the upper sleeve (1) and the lower sleeve (2) respectively, and a vertical buffer spring (11) which is sleeved on the upright post (10), one end, close to the matched sleeve (4), of the upright post (10) is fixedly provided with a sliding seat (9), a guide structure which can enable the sliding seat (9) to slide along the radial direction parallel to the middle sleeve (3) is arranged between the sliding seat (9) and the matched sleeve (4), a second avoidance groove (13) is formed in the buffer arm (5), a pivoting block (7) which can enable the upright post (10) to pass through is pivoted in the second avoidance groove (13), and two ends of the vertical buffer spring (11) are respectively in elastic butt with the pivoting block (7) and the sliding seat (9).
5. The self-lubricating shock absorbing buffer sleeve according to claim 4, wherein: the guiding structure comprises a guide rail (8) which is convexly arranged at the two ends of the matched sleeve (4) close to the upper sleeve (1) and the lower sleeve (2) along the radial direction parallel to the middle sleeve (3) and a guide groove (901) which is arranged on the sliding seat (9) and can be used for the guide rail (8) to be embedded into the guide and slide.
6. The self-lubricating shock absorbing buffer sleeve according to claim 1, wherein: an auxiliary structure which improves the oil transportation and oil absorption efficiency and simultaneously increases the longitudinal buffer performance is arranged in the oil passing cavity (18).
7. The self-lubricating shock absorbing buffer sleeve according to claim 6, wherein: the auxiliary structure comprises an elastic sleeve (27) with two ends extending upwards in the directions of the sleeve (1) and the lower sleeve (2), a hard supporting plate (30) fixed at two ends of the elastic sleeve (27) in a sealing manner, and an auxiliary buffer spring (28) which is arranged in the elastic sleeve (27) and two ends of which are respectively elastically abutted against the two hard supporting plates (30), wherein a rod body (19) passes through one side wall of the elastic sleeve (27) in a sealing manner, a limiting piece (24) is arranged in the elastic sleeve (27), and oil passing micropores (29) which are used for lubricating oil to come in and go out are uniformly distributed on the elastic sleeve (27).
8. The self-lubricating shock absorbing buffer sleeve according to claim 1, wherein: an oiling structure is arranged on the matching sleeve (4), and comprises an oiling pipe (22) and a sealing piece (23) for sealing the oiling pipe (22), wherein the oiling pipe (22) is convexly arranged at one end, close to the upper sleeve (1), of the matching sleeve (4) at one end, close to the rod cavity (401), of the piston (15).
9. The self-lubricating shock absorbing buffer sleeve according to claim 1, wherein: at least two groups of buffer assemblies are uniformly arranged around the circumferences of the upper sleeve (1), the middle sleeve (3) and the lower sleeve (2) at intervals.
10. The utility model provides a stamping device, includes bottom plate (32), is fixed in punching press platform (36) and roof (31) on bottom plate (32), and the four corners department of roof (31) and bottom plate (32) is provided with both ends and fixed support column (34) between them, and roof (31) lower extreme is provided with clamp plate (33) with support column (34) direction complex, is provided with actuating mechanism (35) that drive clamp plate (33) go up and down between clamp plate (33) and roof (31), its characterized in that: the self-lubricating shock-absorbing buffer sleeve according to any one of claims 1-9 is sleeved on the support column (34).
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| CN202410370196.7A CN117960923B (en) | 2024-03-29 | 2024-03-29 | Self-lubricating shock attenuation buffer sleeve and stamping device |
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| CN118372012B (en) * | 2024-06-24 | 2024-08-16 | 常州市德威盛汽车部件有限公司 | Spring press-fitting mechanism for shock absorber production and press-fitting method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05296289A (en) * | 1992-04-17 | 1993-11-09 | Zenji Inagaki | Floating foundation type storing vibration damping device |
| CN108746367A (en) * | 2018-08-15 | 2018-11-06 | 浙江长兴普华金属科技有限公司 | A kind of automobile B-column production and processing mold and its manufacturing method |
| CN210755077U (en) * | 2019-08-16 | 2020-06-16 | 苏州乐磨精密机械有限公司 | Precision machinery stamping die |
| CN112427549A (en) * | 2020-09-28 | 2021-03-02 | 应玉龙 | Self-lubricating mould |
| CN217098413U (en) * | 2022-01-18 | 2022-08-02 | 青岛城阳致远纺织有限公司 | PE raw materials processing automatic feeding is shock-absorbing structure for mixer |
| CN219074144U (en) * | 2023-02-14 | 2023-05-26 | 佛山市顺德区淇鹏德塑胶电子实业有限公司 | Mechanical equipment mould with high-efficient shock-absorbing function |
| CN116812142A (en) * | 2023-04-19 | 2023-09-29 | 南京儒一航空机械装备有限公司 | Undercarriage buffer gear and undercarriage |
-
2024
- 2024-03-29 CN CN202410370196.7A patent/CN117960923B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05296289A (en) * | 1992-04-17 | 1993-11-09 | Zenji Inagaki | Floating foundation type storing vibration damping device |
| CN108746367A (en) * | 2018-08-15 | 2018-11-06 | 浙江长兴普华金属科技有限公司 | A kind of automobile B-column production and processing mold and its manufacturing method |
| CN210755077U (en) * | 2019-08-16 | 2020-06-16 | 苏州乐磨精密机械有限公司 | Precision machinery stamping die |
| CN112427549A (en) * | 2020-09-28 | 2021-03-02 | 应玉龙 | Self-lubricating mould |
| CN217098413U (en) * | 2022-01-18 | 2022-08-02 | 青岛城阳致远纺织有限公司 | PE raw materials processing automatic feeding is shock-absorbing structure for mixer |
| CN219074144U (en) * | 2023-02-14 | 2023-05-26 | 佛山市顺德区淇鹏德塑胶电子实业有限公司 | Mechanical equipment mould with high-efficient shock-absorbing function |
| CN116812142A (en) * | 2023-04-19 | 2023-09-29 | 南京儒一航空机械装备有限公司 | Undercarriage buffer gear and undercarriage |
Non-Patent Citations (1)
| Title |
|---|
| 新型自润滑导柱导套;张利华;杜继涛;;热加工工艺;20120610(第11期);第89-90，94页 * |
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