CN115041681A - Powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming equipment - Google Patents
Powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming equipment Download PDFInfo
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- CN115041681A CN115041681A CN202210689309.0A CN202210689309A CN115041681A CN 115041681 A CN115041681 A CN 115041681A CN 202210689309 A CN202210689309 A CN 202210689309A CN 115041681 A CN115041681 A CN 115041681A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/04—Compacting only by applying fluid pressure, e.g. by cold isostatic pressing [CIP]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
- B22F5/106—Tube or ring forms
Abstract
The invention discloses a powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming device, which relates to the technical field of bearing processing, and comprises a second fixing block, wherein a hydraulic press is started to drive a fixing rod to move downwards, the second fixing block gradually moves downwards under the influence of the second fixing block, the bottom of an annular block extrudes materials and drives an extrusion plate to move upwards under the influence of a reaction force, the extrusion plate extrudes air when moving, a first vertical annular plate drives a second vertical annular plate to move downwards under the influence of air pressure, the bottom of a sealing plate is contacted with the top of a forming block, the sealing plate is contacted with the forming block more tightly under the influence of a first spring, the condition that the materials flow out of a gap is reduced, the bearing forming effect is improved to a certain extent, the extrusion plate can be restored to the original position when the extrusion plate is not stressed and depends on a negative pressure effect generated when the extrusion plate moves, and retracting the extended first vertical ring plate into the second fixed block.
Description
Technical Field
The invention relates to the field of bearing processing, in particular to powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming equipment.
Background
Powder metallurgy is a process technology for preparing metal powder or using metal powder (or a mixture of metal powder and nonmetal powder) as a raw material to manufacture metal materials, composite materials and various products through forming and sintering;
the existing forming equipment mostly adopts a die-casting mode to achieve the forming effect, but the situation that materials flow out from gaps possibly occurs during die-casting, the forming effect of die-casting is seriously influenced, the bearing after die-casting forming is not easy to take out, a large amount of time is needed to take out, and in order to improve the working efficiency, the powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming equipment is provided.
Disclosure of Invention
In order to solve the technical problem, the invention provides a powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming device, which comprises:
the bottom plate is circular, a circular opening is formed in the top of the bottom plate, a spring rod is fixedly connected to the inner part of the circular opening, a first connecting block is fixedly connected to the top of the spring rod, an annular plate is fixedly connected to the inner surface and the outer surface of the first connecting block, and a notch is formed in the top of the annular plate;
the limiting plate is annular, the limiting plate is fixedly connected to the top of the bottom plate, a hydraulic press is fixedly connected to the inner side of the limiting plate, the top of the hydraulic press is fixedly connected with a mandril, the top of the mandril is fixedly connected with a circular plate, a supporting rod is fixedly connected to the outer surface of the circular plate, and a forming mechanism is arranged right above the bottom plate;
the hydraulic press surface fixed connection has pentagonal straight-bar, concave piece, fixed plate, locating plate, square strip and kelly, pentagonal straight-bar fixed connection is in hydraulic press surface upper end, the fixed plate is connected with the pentagonal straight-bar through the concave piece, locating plate fixed connection is at fixed plate lower extreme surface, square strip fixed connection is in the locating plate bottom, square strip fixed connection is inside the notch, the position of kelly and locating plate is corresponding, kelly fixed connection is at square strip top, five one side and a fixed block surface contaction that the kelly is close to each other.
Further, forming mechanism includes fixed block one, circular block, slide bar, cardboard, fixed block two and dead lever, a fixed block bottom and square strip top contact each other, a fixed block surface and locating plate internal surface contact each other, the semicircular groove has been seted up to the fixed block one left and right sides, circular block fixed connection is inside the semicircular groove, the vertical sliding connection of slide bar is inside the circular block, slide bar top and two bottom fixed connection of fixed block, and slide bar bottom and cardboard top fixed connection, the cardboard sets up in the circular block bottom, fixed block two sets up directly over fixed block one, dead lever fixed connection is at two tops of fixed block, dead lever top and branch fixed connection.
Further, the second fixing block comprises a circular plate, an extrusion plate, an annular block, a first vertical annular plate, a second vertical annular plate, a sealing plate and a limiting plate, a circular air groove is formed in the second fixing block, the circular plate is fixedly connected inside the circular air groove, the top of the circular plate is not contacted with the top of the inner wall of the circular air groove, the extrusion plate is arranged at the bottom of the inner wall of the circular air groove, the outer surface of the extrusion plate is contacted with the inner surface of the circular plate, an elastic plate is fixedly connected to the top of the extrusion plate, the annular block is fixedly arranged at the bottom of the extrusion plate, the bottom of the annular block penetrates through the second fixing block and extends to the outside, the inner diameter of the annular block is the same as the outer diameter of the circular block, the first vertical annular plate is slidably connected to the outer surface of the circular plate, the first vertical annular plate is hermetically arranged inside the circular air groove, and the bottom of the first vertical annular plate penetrates through the second fixing block and extends to the outside, the second vertical ring plate is fixedly connected to the bottom of the first vertical ring plate, the inner diameter of the second vertical ring plate is the same as the outer diameter of the forming block, the sealing plate is connected to the outer surface of the ring block in a sliding mode and is connected with the second vertical ring plate through a first spring, the inner diameter of the sealing plate is the same as the inner diameter of the forming block, and the limiting plate is fixedly connected to the inner wall of the circular air groove.
Further, the first fixing block comprises a circular sleeve plate, a cross plate, a push rod, a circular rod, a forming block and a top plate, the circular sleeve plate is arranged at the bottom of the inner wall of the first fixing block, the cross plate is fixedly connected to the inner surface of the circular sleeve plate, four corners of the top of the cross plate are fixedly connected with a second spring, the second spring is sleeved on the outer surface of the circular rod, the tops of the first spring and the second spring are fixedly connected with the top of the inner wall of the first fixing block, a third spring is fixedly connected with the center shaft of the top of the cross plate, the push rod is fixedly connected with the bottom of the cross plate, the bottom of the push rod penetrates through the first fixing block and extends to the outside, the circular rod is fixedly connected with the top of the circular sleeve plate, the forming block is fixedly connected with the top of the first fixing block, the forming block is circular in shape, a cylindrical groove is formed at the top of the forming block, the center shaft of the bottom of the inner wall of the cylindrical groove is fixedly connected with the circular block, and the top plate is arranged at the bottom of the inner wall of the cylindrical groove, the outer surface of the top plate is in contact with the inner wall of the cylindrical groove, the inner surface of the top plate is in contact with the outer surface of the round block, and the bottom of the top plate is fixedly connected with the top of the round rod.
The invention has the following beneficial effects:
the invention uses the second fixing block, the hydraulic press is started to drive the fixing rod to move downwards, the second fixing block moves downwards gradually under the influence of the second fixing block, the bottom of the annular block extrudes the material and drives the extrusion plate to move upwards under the influence of the reaction force, the extrusion plate extrudes air when moving, the first vertical annular plate drives the second vertical annular plate to move downwards under the influence of air pressure, the bottom of the sealing plate is contacted with the top of the forming block, the contact between the sealing plate and the forming block is tighter under the influence of the first spring, the condition that the material flows out from the gap is reduced, the forming effect of the bearing is improved to a certain extent, the extrusion plate can be restored to the original position under the condition of no stress and the first vertical annular plate extending out is retracted into the second fixing block under the action of negative pressure generated when the extrusion plate moves, the circular plate and the limiting plate can limit the movable range and distance of the extruding plate and the first vertical annular plate and prevent air from passing.
The invention uses the hydraulic press, the ejector rod can simultaneously drive the circular plate and the supporting rod to move under the influence of the hydraulic press after the hydraulic press is started, the fixed rod pulled by the supporting rod can drive the second fixed block to simultaneously move upwards, the hydraulic press can simultaneously drive the second fixed blocks at a plurality of positions to move through the supporting rod, the hydraulic press can also support and limit the position of the forming mechanism by the positioning plate, the square strip and the clamping rod, the forming mechanism can be more stable, at the moment, because the hydraulic press is lifted to bear certain pressure, after the pressure on the annular plate is reduced, the spring rod can drive the connecting block to move upwards to jack the fixing block, the spring rod can support the forming mechanism and prevent the bottom of the push rod from contacting the bottom of the bottom plate, and can also rely on elasticity to carry out the support on certain dynamics to the bottom of fixed block one, then put into the shaping piece with the material and wait for to carry out die-casting shaping work.
According to the invention, through the first fixing block, the second fixing block is moved to the upper part by the hydraulic press after the bearing is formed, then a worker presses the annular plate downwards by hand, after the bottom of the push rod is contacted with the top of the bottom plate, the push rod is influenced by the reaction force and drives the circular sleeve plate and the circular rod to move upwards by the cross plate, and at the moment, the bearing in the forming block can be moved out of the forming block under the pushing of the top plate, so that the situation that the bearing is not easy to take out due to being positioned inside the forming block is avoided, and the working efficiency is increased in a phase-changing manner.
The sliding rod and the clamping plate limit the upward moving position and range of the second fixing block, the situation that the second fixing block cannot be in perfect contact with a forming block due to the fact that the second fixing block is shifted is avoided, the forming efficiency of the bearing is further improved, and the moving effect of the second fixing block is improved to a certain extent due to the fact that the sliding rod cannot shake during moving through the circular block.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall configuration of the hydraulic press of the present invention;
FIG. 3 is a schematic view showing the overall structure of the forming mechanism of the present invention;
FIG. 4 is a schematic view of the internal structure of the second fixing block of the present invention;
FIG. 5 is a schematic view of the internal structure of the first fixing block of the present invention;
fig. 6 is a schematic view of the overall structure of the circular deck of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base plate; 2. a spring lever; 3. a first connecting block; 4. an annular plate; 5. a hydraulic press; 51. a pentagonal straight rod; 52. a concave block; 53. a fixing plate; 54. positioning a plate; 55. a square bar; 56. a clamping rod; 6. a limiting plate; 7. a top rod; 71. a circular plate; 72. a strut; 8. a forming mechanism; 81. a first fixed block; 812. a circular sheathing board; 813. a cross plate; 814. a push rod; 815. a round bar; 816. forming a block; 817. a top plate; 82. a circular block; 83. a slide bar; 84. clamping a plate; 85. a second fixed block; 851. a circular plate; 852. a pressing plate; 853. a ring block; 854. a first vertical ring plate; 855. a second vertical ring plate; 856. a sealing plate; 857. a limiting plate; 858. an elastic plate; 86. and (5) fixing the rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1-4, the present invention is a forming apparatus for forming a powder metallurgy high strength oil-retaining copper-nickel alloy bearing, including:
the bottom plate 1 is circular, a circular opening is formed in the top of the bottom plate 1, a spring rod 2 is fixedly connected inside the circular opening, a first connecting block 3 is fixedly connected to the top of the spring rod 2, an annular plate 4 is fixedly connected to the inner surface and the outer surface of the first connecting block 3, a certain pressure is born due to the lifting of a hydraulic press 5 at the moment, after the pressure borne by the annular plate 4 is reduced, the spring rod 2 can drive the first connecting block 3 to move upwards to jack up a first fixing block 81, the effect of supporting a forming mechanism 8 is achieved through the spring rod 2, meanwhile, the bottom of a push rod 814 can not be in contact with the bottom of the bottom plate 1, and the bottom of the first fixing block 81 can be supported in a certain degree by means of elasticity;
the limiting plate 6 is annular, the limiting plate 6 is fixedly connected to the top of the bottom plate 1, the hydraulic press 5 is fixedly connected to the inner side of the limiting plate 6, the top of the hydraulic press 5 is fixedly connected with an ejector rod 7, and a forming mechanism 8 is arranged right above the bottom plate 1;
a circular plate 71 is fixedly connected to the top of the mandril 7, and a supporting rod 72 is fixedly connected to the outer surface of the circular plate 71;
the outer surface of the hydraulic press 5 is fixedly connected with a pentagonal straight rod 51, a concave block 52, a fixed plate 53, a positioning plate 54, a square strip 55 and a clamping rod 56, the pentagonal straight rod 51 is fixedly connected to the upper end of the outer surface of the hydraulic press 5, the fixed plate 53 is connected with the pentagonal straight rod 51 through the concave block 52, the positioning plate 54 is fixedly connected to the outer surface of the lower end of the fixed plate 53, the square strip 55 is fixedly connected to the bottom of the positioning plate 54, the clamping rod 56 is fixedly connected to the top of the square strip 55, after the hydraulic press 5 is started, the ejector rod 7 can simultaneously drive a circular plate 71 and a supporting rod 72 to move under the influence of the ejector rod, a fixed rod 86 pulled by the supporting rod 72 can drive a second fixed block 85 to simultaneously move upwards, the hydraulic press 5 can simultaneously drive the second fixed blocks 85 on a plurality of positions to move through the supporting rod 72, and the hydraulic press 5 can also support and limit the positions of the forming mechanism 8 by means of the positioning plate 54, the square strip 55 and the clamping rod 56, the forming mechanism 8 can be more stable;
the top of the annular plate 4 is provided with a notch, a square strip 55 is fixedly connected inside the notch, and the clamping rod 56 corresponds to the positioning plate 54.
Forming mechanism 8 includes fixed block one 81, round block 82, slide bar 83, cardboard 84, two 85 of fixed block and dead lever 86, the semicircular groove has been seted up to the fixed block one 81 left and right sides, round block 82 fixed connection is inside the semicircular groove, the vertical sliding connection of slide bar 83 is inside round block 82, cardboard 84 sets up in round block 82 bottom, two 85 of fixed block set up directly over fixed block one 81, dead lever 86 fixed connection is at two 85 tops of fixed block, through slide bar 83 and cardboard 84, the position and the scope of two 85 rebound of fixed block have been restricted, it can lead to carrying out the condition appearance of perfect contact because the skew condition appears in the fixed block two 85 can lead to can't with the piece 816 that takes shape, the efficiency that the bearing takes shape has further been improved.
The top of the sliding rod 83 is fixedly connected with the bottom of the second fixing block 85, the bottom of the sliding rod 83 is fixedly connected with the top of the clamping plate 84, and the top of the fixing rod 86 is fixedly connected with the support rod 72.
The second fixing block 85 comprises a circular plate 851, an extrusion plate 852, an annular block 853, a first vertical ring plate 854, a second vertical ring plate 855, a sealing plate 856 and a limiting plate 857, a circular air groove is formed inside the second fixing block 85, the circular plate 851 is fixedly connected inside the circular air groove, the extrusion plate 852 is arranged at the bottom of the inner wall of the circular air groove, the annular block 853 is fixedly installed at the bottom of the extrusion plate 852, the bottom of the annular block 853 penetrates through the second fixing block 85 and extends to the outside, the first vertical ring plate 854 is slidably connected on the outer surface of the circular plate 851, the bottom of the first vertical ring plate 854 penetrates through the second fixing block 85 and extends to the outside, the second vertical ring plate 855 is fixedly connected at the bottom of the first vertical ring plate 854, the sealing plate 856 is slidably connected on the outer surface of the annular block 853, the sealing plate 856 is connected with the second vertical ring plate 855 through a first spring, the limiting plate 857 is fixedly connected on the inner wall of the circular air groove, through the second fixing block 85, the hydraulic press 5 is started to drive the fixing rod 86 to move downwards at the moment, the second fixing block 85 gradually moves downwards under the influence of the second fixing block, the bottom of the annular block 853 can extrude materials and drive the extrusion plate 852 to move upwards under the influence of a reaction force, the extrusion plate 852 can extrude air when moving, the first vertical annular plate 854 drives the second vertical annular plate 855 to move downwards under the influence of air pressure, the bottom of the sealing plate 856 can be in contact with the top of the forming block 816 at the moment, and the sealing plate 856 is in closer contact with the forming block 816 under the influence of the first spring, so that the situation that the materials can flow out of gaps is reduced, and the bearing forming effect is improved to a certain extent;
the outer surface of the pressing plate 852 is in contact with the inner surface of the circular plate 851, and an elastic plate 858 is fixedly attached to the top of the pressing plate 852.
The top of the circular plate 851 is not in contact with the top of the inner wall of the circular air tank and the first vertical ring plate 854 is sealingly disposed inside the circular air tank.
Example 2
Referring to fig. 1-6, the present invention is a forming apparatus for forming a powder metallurgy high strength oil-retaining copper-nickel alloy bearing, including:
the bottom plate 1 is circular, a circular opening is formed in the top of the bottom plate 1, a spring rod 2 is fixedly connected inside the circular opening, a first connecting block 3 is fixedly connected to the top of the spring rod 2, and an annular plate 4 is fixedly connected to the inner surface and the outer surface of the first connecting block 3;
the limiting plate 6 is annular, the limiting plate 6 is fixedly connected to the top of the bottom plate 1, the hydraulic press 5 is fixedly connected to the inner side of the limiting plate 6, the top of the hydraulic press 5 is fixedly connected with an ejector rod 7, and a forming mechanism 8 is arranged right above the bottom plate 1;
the top of the mandril 7 is fixedly connected with a circular plate 71, the outer surface of the circular plate 71 is fixedly connected with a supporting rod 72, and the mandril 7 can be connected with a plurality of fixing rods 86 by the supporting rod 72;
the outer surface of the hydraulic press 5 is fixedly connected with a pentagonal straight rod 51, a concave block 52, a fixing plate 53, a positioning plate 54, a square strip 55 and a clamping rod 56, the pentagonal straight rod 51 is fixedly connected to the upper end of the outer surface of the hydraulic press 5, the fixing plate 53 is connected with the pentagonal straight rod 51 through the concave block 52, the positioning plate 54 is fixedly connected to the outer surface of the lower end of the fixing plate 53, the square strip 55 is fixedly connected to the bottom of the positioning plate 54, and the clamping rod 56 is fixedly connected to the top of the square strip 55;
the top of the annular plate 4 is provided with a notch, a square strip 55 is fixedly connected inside the notch, and the clamping rod 56 corresponds to the positioning plate 54.
Forming mechanism 8 includes fixed block one 81, circular block 82, slide bar 83, cardboard 84, two 85 of fixed block and dead lever 86, the semicircular groove has been seted up to the fixed block one 81 left and right sides, circular block 82 fixed connection is inside the semicircular groove, the vertical sliding connection of slide bar 83 is inside circular block 82, cardboard 84 sets up in the circular block 82 bottom, two 85 of fixed block set up directly over fixed block one 81, dead lever 86 fixed connection is at two 85 tops of fixed block, through circular block 82, the condition that can make slide bar 83 can not appear rocking when the removal has improved the removal effect of two 85 of fixed block to a certain extent.
The top of the sliding rod 83 is fixedly connected with the bottom of the second fixing block 85, the bottom of the sliding rod 83 is fixedly connected with the top of the clamping plate 84, and the top of the fixing rod 86 is fixedly connected with the support rod 72.
The second fixing block 85 comprises a circular plate 851, an extrusion plate 852, an annular block 853, a first vertical ring plate 854, a second vertical ring plate 855, a sealing plate 856 and a limiting plate 857, a circular air groove is formed inside the second fixing block 85, the circular plate 851 is fixedly connected inside the circular air groove, the extrusion plate 852 is arranged at the bottom of the inner wall of the circular air groove, the annular block 853 is fixedly installed at the bottom of the extrusion plate 852, the bottom of the annular block 853 penetrates through the second fixing block 85 and extends to the outside, the first vertical ring plate 854 is slidably connected on the outer surface of the circular plate 851, the bottom of the first vertical ring plate 854 penetrates through the second fixing block 85 and extends to the outside, the second vertical ring plate 855 is fixedly connected at the bottom of the first vertical ring plate 854, the sealing plate 856 is slidably connected on the outer surface of the annular block 853, the sealing plate 856 is connected with the second vertical ring plate 855 through a first spring, the limiting plate 857 is fixedly connected on the inner wall of the circular air groove, the elastic plate 858 can restore the extrusion plate 852 to the original position when not stressed and can retract the extended first vertical ring plate 854 into the second fixed block 85 by means of the negative pressure effect generated when the extrusion plate 852 moves;
the outer surface of the pressing plate 852 is in contact with the inner surface of the circular plate 851, and an elastic plate 858 is fixedly attached to the top of the pressing plate 852.
The top of the circular plate 851 is not in contact with the top of the inner wall of the circular air groove, the first vertical ring plate 854 is hermetically arranged inside the circular air groove, and the range and distance of the movement of the extrusion plate 852 and the first vertical ring plate 854 can be limited through the circular plate 851 and the limiting plate 857, and the situation that air passes can be avoided.
The first fixing block 81 comprises a circular sleeve plate 812, a cross plate 813, a push rod 814, a circular rod 815, a forming block 816 and a top plate 817, the circular sleeve plate 812 is arranged at the bottom of the inner wall of the first fixing block 81, the cross plate 813 is fixedly connected to the inner surface of the circular sleeve plate 812, the push rod 814 is fixedly connected to the bottom of the cross plate 813, the bottom of the push rod 814 extends to the outside through the first fixing block 81, the circular rod 815 is fixedly connected to the top of the circular sleeve plate 812, the forming block 816 is fixedly connected to the top of the first fixing block 81, the forming block 816 is circular, a cylindrical groove is formed in the top of the forming block 816, the circular block is fixedly connected to the middle shaft of the bottom of the inner wall of the cylindrical groove, the top plate 817 is arranged at the bottom of the inner wall of the cylindrical groove, the first fixing block 81 moves the second fixing block 85 to the upper side by a hydraulic press 5 after the bearing is formed, then a worker presses the circular plate 4 downwards by a hand, and after the push rod 814 is contacted with the top of the bottom plate 1, the push rod 814 is influenced by a reaction force and drives the circular sleeve plate 812 and the circular rod 815 to move upwards by virtue of the cross plate 813, and at the moment, the bearing in the forming block 816 is pushed by the top plate 817 to move out of the forming block 816, so that the situation that the bearing is not easy to take out due to being located in the forming block 816 is avoided, and the working efficiency is increased by phase change;
the outer surface of the top plate 817 is in contact with the inner wall of the cylindrical groove, the inner surface of the top plate 817 is in contact with the outer surface of the round block, and the bottom of the top plate 817 is fixedly connected with the top of the round rod 815.
The four corners of the top of the cross plate 813 are fixedly connected with a second spring, a third spring is fixedly connected to the center shaft of the top of the cross plate 813, the springs are sleeved on the outer surface of the round rod 815, the tops of the first spring and the second spring are fixedly connected with the top of the inner wall of the first fixed block 81, and the pressure of the push rod 814 can be transmitted to the round sleeve plate 812 through the cross plate 813, so that the effect of pushing the round rod 815 to move is achieved;
the bottom of the first fixing block 81 is contacted with the top of the square strip 55, the outer surface of the first fixing block 81 is contacted with the inner surface of the positioning plate 54, and the side, close to each other, of the five clamping rods 56 is contacted with the outer surface of the first fixing block 81.
The inner diameter of the annular block 853 is the same as the outer diameter of the circular block, the inner diameter of the second vertical annular plate 855 is the same as the outer diameter of the forming block 816, and the inner diameter of the sealing plate 856 is the same as the inner diameter of the forming block 816, so that the outflow of materials can be reduced on the basis by means of the same sizes.
One specific application of this embodiment is: after the hydraulic press 5 is started, the push rod 7 can simultaneously drive the circular plate 71 and the supporting rod 72 to move under the influence of the push rod, the fixing rod 86 pulled by the supporting rod 72 can drive the fixing block II 85 to simultaneously move upwards, at the moment, the hydraulic press 5 is lifted to bear certain pressure, after the pressure on the annular plate 4 is reduced, the spring rod 2 can drive the connecting block I3 to move upwards to jack the fixing block I81, then the material is put into the forming block 816 to wait for die-casting forming operation, at the moment, the hydraulic press 5 is started to drive the fixing rod 86 to move downwards, the fixing block II 85 gradually moves downwards under the influence of the spring rod, the bottom of the annular block 853 can extrude the material and drive the extrusion plate 852 to move upwards under the influence of a reaction force, the extrusion plate 852 can extrude air when moving, the first vertical ring plate 854 can drive the second vertical ring 855 to move downwards under the influence of air pressure, at the moment, the bottom of the sealing plate 856 can be in contact with the top of the forming block 816, after the bearing is formed, the second fixing block 85 is moved to the upper side by the hydraulic press 5, then a worker presses the annular plate 4 downwards by hand, after the bottom of the push rod 814 is contacted with the top of the bottom plate 1, the push rod 814 is influenced by a reaction force and drives the circular sleeve plate 812 and the circular rod 815 to move upwards by the cross plate 813, at the moment, the bearing in the forming block 816 is moved out of the forming block 816 by the pushing of the top plate 817, and then the bearing can be taken out.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (8)
1. A powder metallurgy high strength copper-nickel alloy oil-retaining bearing forming device is characterized by comprising:
the spring support comprises a base plate (1), wherein the base plate (1) is circular, a circular opening is formed in the top of the base plate (1), a spring rod (2) is fixedly connected inside the circular opening, a first connecting block (3) is fixedly connected to the top of the spring rod (2), and annular plates (4) are fixedly connected to the inner surface and the outer surface of the first connecting block (3);
the limiting plate (6) is annular, the limiting plate (6) is fixedly connected to the top of the bottom plate (1), a hydraulic press (5) is fixedly connected to the inner side of the limiting plate (6), a top rod (7) is fixedly connected to the top of the hydraulic press (5), and a forming mechanism (8) is arranged right above the bottom plate (1);
a circular plate (71) is fixedly connected to the top of the ejector rod (7), and a supporting rod (72) is fixedly connected to the outer surface of the circular plate (71);
the outer surface of the hydraulic press (5) is fixedly connected with a pentagonal straight rod (51), a concave block (52), a fixing plate (53), a positioning plate (54), a square strip (55) and a clamping rod (56), the pentagonal straight rod (51) is fixedly connected to the upper end of the outer surface of the hydraulic press (5), the fixing plate (53) is connected with the pentagonal straight rod (51) through the concave block (52), the positioning plate (54) is fixedly connected to the outer surface of the lower end of the fixing plate (53), the square strip (55) is fixedly connected to the bottom of the positioning plate (54), and the clamping rod (56) is fixedly connected to the top of the square strip (55);
the top of the annular plate (4) is provided with a notch, the square strip (55) is fixedly connected inside the notch, and the clamping rod (56) corresponds to the positioning plate (54).
2. The powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming equipment as claimed in claim 1, wherein the forming mechanism (8) comprises a first fixing block (81), a circular block (82), a sliding rod (83), a clamping plate (84), a second fixing block (85) and a fixing rod (86), wherein semicircular grooves are formed in the left side and the right side of the first fixing block (81), the circular block (82) is fixedly connected inside the semicircular grooves, the sliding rod (83) is vertically and slidably connected inside the circular block (82), the clamping plate (84) is arranged at the bottom of the circular block (82), the second fixing block (85) is arranged right above the first fixing block (81), and the fixing rod (86) is fixedly connected to the top of the second fixing block (85).
3. The powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming equipment as claimed in claim 2, wherein the top of the sliding rod (83) is fixedly connected with the bottom of the second fixed block (85), the bottom of the sliding rod (83) is fixedly connected with the top of the clamping plate (84), and the top of the fixed rod (86) is fixedly connected with the supporting rod (72).
4. The powder metallurgy high-strength copper-nickel alloy oil-impregnated bearing forming device according to claim 3, wherein the second fixing block (85) comprises a circular plate (851), an extrusion plate (852), an annular block (853), a first vertical ring plate (854), a second vertical ring plate (855), a sealing plate (856) and a limiting plate (857), the second fixing block (85) is internally provided with a circular air groove, the circular plate (851) is fixedly connected to the inside of the circular air groove, the extrusion plate (852) is arranged at the bottom of the inner wall of the circular air groove, the annular block (853) is fixedly installed at the bottom of the extrusion plate (852), the bottom of the annular block (853) penetrates through the second fixing block (85) and extends to the outside, the first vertical ring plate (854) is slidably connected to the outer surface of the circular plate (851), and the bottom of the first vertical ring plate (854) penetrates through the second fixing block (85) and extends to the outside, the second vertical ring plate (855) is fixedly connected to the bottom of the first vertical ring plate (854), the sealing plate (856) is slidably connected to the outer surface of the ring block (853), the sealing plate (856) is connected with the second vertical ring plate (855) through a first spring, and the limiting plate (857) is fixedly connected to the inner wall of the circular air slot;
the outer surface of the extrusion plate (852) is in contact with the inner surface of the circular plate (851), and the top of the extrusion plate (852) is fixedly connected with an elastic plate (858).
5. The apparatus for forming a powder metallurgy high strength cupronickel alloy oiliness bearing of claim 4, characterized in that, the top of the circular plate (851) does not contact with the top of the inner wall of the circular air groove, the first vertical ring plate (854) is arranged in the circular air groove in a sealing way.
6. The powder metallurgy high-strength copper-nickel alloy oiliness bearing forming device according to claim 5, wherein the first fixing block (81) comprises a circular sleeve plate (812), a cross plate (813), a push rod (814), a circular rod (815), a forming block (816) and a top plate (817), the circular sleeve plate (812) is arranged at the bottom of the inner wall of the first fixing block (81), the cross plate (813) is fixedly connected to the inner surface of the circular sleeve plate (812), the push rod (814) is fixedly connected to the bottom of the cross plate (813), the bottom of the push rod (814) penetrates through the first fixing block (81) and extends to the outside, the circular rod (815) is fixedly connected to the top of the circular sleeve plate (812), the forming block (816) is fixedly connected to the top of the first fixing block (81), the forming block (816) is circular in shape, a cylindrical groove is formed in the top of the forming block (816), a round block is fixedly connected to the bottom middle shaft of the inner wall of the cylindrical groove, and the top plate (817) is arranged at the bottom of the inner wall of the cylindrical groove;
the outer surface of the top plate (817) is in contact with the inner wall of the cylindrical groove, the inner surface of the top plate (817) is in contact with the outer surface of the round block, and the bottom of the top plate (817) is fixedly connected with the top of the round rod (815).
7. The forming equipment for the powder metallurgy high-strength copper-nickel alloy oil-retaining bearing, according to claim 6, is characterized in that four corners of the top of the cross plate (813) are fixedly connected with a second spring, a third spring is fixedly connected to a center shaft of the top of the cross plate (813), the springs are sleeved on the outer surface of the round rod (815), and the tops of the first spring and the second spring are fixedly connected with the top of the inner wall of the first fixed block (81);
the bottom of the first fixing block (81) is in contact with the top of the square strip (55), the outer surface of the first fixing block (81) is in contact with the inner surface of the positioning plate (54), and one side, close to each other, of the five clamping rods (56) is in contact with the outer surface of the first fixing block (81).
8. The powder metallurgy high strength cupronickel alloy oiliness bearing forming device of claim 7, characterized in that, the inside diameter of the ring-shaped block (853) is the same as the outside diameter of the round block, the inside diameter of the second vertical ring plate (855) is the same as the outside diameter of the forming block (816), and the inside diameter of the sealing plate (856) is the same as the inside diameter of the forming block (816).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210689309.0A CN115041681A (en) | 2022-06-16 | 2022-06-16 | Powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210689309.0A CN115041681A (en) | 2022-06-16 | 2022-06-16 | Powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115041681A true CN115041681A (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210689309.0A Pending CN115041681A (en) | 2022-06-16 | 2022-06-16 | Powder metallurgy high-strength copper-nickel alloy oil-retaining bearing forming equipment |
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| CN (1) | CN115041681A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116021018A (en) * | 2023-02-01 | 2023-04-28 | 河北亚都管道装备集团有限公司 | Steel reducing elbow hot-press forming die |
-
2022
- 2022-06-16 CN CN202210689309.0A patent/CN115041681A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116021018A (en) * | 2023-02-01 | 2023-04-28 | 河北亚都管道装备集团有限公司 | Steel reducing elbow hot-press forming die |
| CN116021018B (en) * | 2023-02-01 | 2023-07-04 | 河北亚都管道装备集团有限公司 | Steel reducing elbow hot-press forming die |
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