CN118699365B - Copper tungsten alloy electrical contact production equipment - Google Patents
Copper tungsten alloy electrical contact production equipment Download PDFInfo
- Publication number
- CN118699365B CN118699365B CN202411194445.8A CN202411194445A CN118699365B CN 118699365 B CN118699365 B CN 118699365B CN 202411194445 A CN202411194445 A CN 202411194445A CN 118699365 B CN118699365 B CN 118699365B
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- Prior art keywords
- frame
- limiting
- guide rail
- lower die
- plate
- Prior art date
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- 229910001080 W alloy Inorganic materials 0.000 title claims abstract description 62
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 15
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000009700 powder processing Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- B22F3/003—Apparatus, e.g. furnaces
-
- 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
- B22F3/005—Loading or unloading powder metal objects
-
- 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
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- 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
- B22F3/18—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
- H01H11/048—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by powder-metallurgical processes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to the technical field of metal powder processing, in particular to copper-tungsten alloy electrical contact production equipment. The device comprises a support frame, guide rails I, lower dies, connecting frames I and the like, wherein the guide rails I are symmetrically arranged on the support frame, the lower dies are slidably arranged between the guide rails I, clamping grooves I are formed in the lower dies, and the connecting frames I are arranged on the guide rails I. According to the invention, the lower die and the upper die which need to be replaced are placed in the guide rail I and the guide rail II in advance, and then the limit and the blocking of the lower die and the upper die are automatically released through the limit mechanism and the blocking mechanism, so that the lower die and the upper die can be replaced by the lower die and the upper die which are placed in advance, the replaced lower die and the upper die can be positioned at the designated positions through the blocking mechanism so as to prevent deviation, and then the lower die and the upper die are automatically limited through the limit mechanism, so that the lower die and the upper die can be replaced conveniently by people, and the lower die and the upper die are easy to operate, and are time-saving and labor-saving.
Description
Technical Field
The invention relates to the technical field of metal powder processing, in particular to copper-tungsten alloy electrical contact production equipment.
Background
Copper tungsten electrical contacts are widely used in power transmission, circuit breakers and various electrical switching apparatus due to their excellent high temperature resistance, high electrical conductivity, low contact resistance and good arc erosion resistance, and to meet the design requirements of different electrical apparatus, copper tungsten electrical contacts are often required to be manufactured in a variety of shapes including, but not limited to, round, rectangular, flat and specific complex geometries, these diverse requirements placing higher flexibility and efficiency requirements on the manufacturing process.
At present, when copper tungsten alloy electrical contacts with different shapes are produced, manufacturers generally adopt a powder metallurgy technology, copper tungsten alloy powder is pressed in a special mould and then sintered and formed, however, although the powder pressing technology is mature, in actual production, different moulds are usually required to be replaced for producing products with different types, each time the moulds are replaced, the process involves manual disassembly and installation of a fastener for fixing the moulds, the process is long in time consumption, certain requirements are also met for physical strength and technical proficiency of operators, the difficulty and time cost of operation are further increased due to the fact that the moulds are hard in material, large in size and heavy in weight, in addition, the moulds are required to be accurately aligned to avoid product deviation, and therefore, the flexibility and the overall efficiency of a production line are greatly affected by the series of operations.
Disclosure of Invention
In view of the above, the invention provides a copper-tungsten alloy electrical contact production device, which can solve the defects that when people produce copper-tungsten alloy electrical contacts with different types by using a powder metallurgy technology, the process of replacing a die is troublesome to operate and time and labor are wasted.
The technical implementation scheme of the invention is as follows: the utility model provides a copper tungsten alloy electrical contact production facility, including the support frame, still including guide rail I, the bed die, link I, guide rail II, the mount, pneumatic cylinder I, guide rail III, go up the mould, the roof grillage, the connecting plate, feed mechanism, heating mechanism, ejection mechanism, stop gear and blocking mechanism, the symmetry is provided with guide rail I on the support frame, slide between guide rail I and be provided with the bed die, open on the bed die has draw-in groove I, install link I on guide rail I, guide rail II installs on link I, the mount is installed on guide rail II, pneumatic cylinder I installs on the mount, guide rail III connects on pneumatic cylinder I's telescopic link, go up the mould slip and set up on guide rail III, it has draw-in groove II to open on the mould, slide in the bed die is provided with the roof grillage, the connecting plate is connected on the roof grillage, feed mechanism is used for sending copper tungsten alloy powder in the bed die, heating mechanism is used for heating copper tungsten alloy powder in the bed die, ejection mechanism is used for carrying out ejection mechanism with the fashioned copper tungsten alloy in the bed die, stop gear is used for spacing down die and last mould, blocking mechanism is used for stopping down die and last mould.
More preferably, the feeding mechanism comprises a double-rod air cylinder, a discharging frame and a conveying pipe, wherein the double-rod air cylinder is arranged on a guide rail I on one side of the double-rod air cylinder, the discharging frame is connected to a telescopic rod of the double-rod air cylinder, and the conveying pipe is communicated to the discharging frame.
More preferably, the heating mechanism comprises a heater I and a heater II, wherein the heater I and the heater II are arranged in the guide rail I, the heater I is used for heating copper tungsten alloy powder in the lower die, and the heater II is used for preheating the lower die which is replaced next.
More preferably, the ejection mechanism comprises a connecting frame II, an electric push rod I and a limiting frame, wherein the connecting frame II is arranged between the guide rails I, the electric push rod I is arranged on the connecting frame II, the limiting frame is connected to a telescopic rod of the electric push rod I, and the connecting plate is clamped into the limiting frame.
More preferably, the limiting mechanism comprises a wedge block, a limiting frame I and a spring I, wherein the wedge block is arranged on the fixing frame, the limiting frame I is arranged on the guide rail III in a sliding mode, the limiting frame I is used for limiting the upper die, and two ends of the spring I are respectively connected to the limiting frame I and the guide rail III.
More preferably, the limiting mechanism further comprises a limiting frame II, a spring II, a toothed plate, a gear and a guide rod I, wherein the limiting frame II is arranged on the guide rail I in a sliding mode, the limiting frame II is used for limiting the lower die, two ends of the spring II are respectively connected to the limiting frame II and the guide rail I, the toothed plate is connected to the limiting frame II, the gear is rotationally arranged on the connecting frame II, the toothed plate is meshed with the gear, the guide rod I is connected to the limiting frame II on one side of the toothed plate, and the limiting frame I slides on the guide rod I.
More preferably, the blocking mechanism comprises an electric push rod II and a limiting plate I, wherein the electric push rod II is arranged on a guide rail I on one side of the electric push rod II, the limiting plate I is slidably arranged on the guide rail I on the same side as the electric push rod II, the limiting plate I is connected with a telescopic rod of the electric push rod II, and the limiting plate I is used for blocking the lower die.
More preferably, the blocking mechanism further comprises a guide rod II and a limiting plate II, wherein the guide rod II is connected to the limiting plate I, the limiting plate II is slidably mounted on the guide rail III, the limiting plate II is used for blocking the upper die, and the limiting plate II slides on the guide rod II.
More preferably, the rolling mechanism comprises an electric push rod III, a push plate, a hydraulic cylinder II, a connecting frame, a roller and a servo motor, wherein the electric push rod III is arranged on a guide rail I far away from one side of the double-rod cylinder, the push plate is connected to a telescopic rod of the electric push rod III, the hydraulic cylinder II is arranged on the connecting frame I, the connecting frame is arranged on a telescopic rod of the hydraulic cylinder II, the roller is respectively and rotatably arranged in the connecting frame and the guide rail I, the roller is used for rolling a formed copper-tungsten alloy, the servo motor is respectively arranged on the connecting frame and the guide rail I, and an output shaft of the servo motor is connected with the roller.
The invention has the advantages that 1, the lower die and the upper die which need to be replaced are put into the guide rail I and the guide rail II in advance, then the limit and the blocking of the lower die and the upper die are automatically released through the limit mechanism and the blocking mechanism, the lower die and the upper die can be replaced by the lower die and the upper die which are put into in advance, the lower die and the upper die which are replaced can be positioned at the appointed position through the blocking mechanism so as to prevent deviation, and then the lower die and the upper die are automatically limited through the limit mechanism, so that the lower die and the upper die can be replaced conveniently by people, the operation is simple, and the time and the labor are saved.
2. According to the invention, the preformed copper-tungsten alloy in the lower die can be jacked up by using the jacking frame through the matching of the jacking frame, the connecting plate and the ejection mechanism, so that the preformed copper-tungsten alloy can be conveniently ejected from the lower die.
3. According to the invention, by arranging the rolling mechanism, the preformed copper-tungsten alloy can be rolled by utilizing the roller, and by rolling the preformed copper-tungsten alloy, grains can be refined, and the strength and toughness of the copper-tungsten alloy can be increased, so that the preformed copper-tungsten alloy can be processed into the copper-tungsten alloy electrical contact subsequently.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the guide rail II, the fixing frame and the hydraulic cylinder I according to the present invention.
Fig. 3 is a schematic diagram illustrating the structure of fig. 2 according to the present invention.
Fig. 4 is a schematic perspective view of the lower mold and the upper mold according to the present invention.
Fig. 5 is a cross-sectional view of the lower die of the present invention.
Fig. 6 is a schematic perspective view of a feeding mechanism and a heating mechanism according to the present invention.
Fig. 7 is a schematic perspective view of a heating mechanism according to the present invention.
Fig. 8 is a schematic perspective view of the structure of the connecting plate, the connecting frame II and the limiting frame of the present invention.
Fig. 9 is a schematic perspective view of an ejector mechanism according to the present invention.
Fig. 10 is a schematic perspective view of the wedge block, the limiting frame I and the guide rod I according to the present invention.
Fig. 11 is a schematic perspective view of a limiting mechanism according to the present invention.
Fig. 12 is a schematic perspective view of the connecting frame II, toothed plate and gear according to the present invention.
Fig. 13 is a schematic perspective view of a blocking mechanism and a rolling mechanism according to the present invention.
Fig. 14 is a schematic perspective view of a blocking mechanism according to the present invention.
Fig. 15 is a schematic perspective view of a rolling mechanism according to the present invention.
The drawing comprises the following components of 1, a supporting frame, 2, guide rails I,3, a lower die, 301, clamping grooves I,4, connecting frames I,5, guide rails II,6, a fixed frame, 7, a hydraulic cylinder I,8, guide rails III,9, an upper die, 901, clamping grooves II,10, a top plate frame, 11, a connecting plate, 12, a double-rod cylinder, 13, a blanking frame, 14, a conveying pipe, 15, a heater I,16, a heater II,17, a connecting frame II,18, an electric push rod I,19, a limit frame, 20, a wedge block, 21, a limit frame I,22, a spring I,23, a limit frame II,24, a spring II,25, a toothed plate, 26, a gear, 27, a guide rod I,28, an electric push rod II,29, a limit plate I,30, a guide rod II,31, a limit plate II,32, an electric push rod III,33, a push plate, 34, a hydraulic cylinder II,35, a connecting frame, 36, a roller 37 and a servo motor.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the utility model relates to copper tungsten alloy electrical contact production equipment, which is shown in the drawings referring to the figures 1-14 and comprises a supporting frame 1; the device also comprises a guide rail I2, a lower die 3, a connecting frame I4, a guide rail II5, a fixing frame 6, a hydraulic cylinder I7, a guide rail III8, an upper die 9, a top plate frame 10, a connecting plate 11, a feeding mechanism, a heating mechanism, an ejection mechanism, a limiting mechanism and a blocking mechanism; the two guide rails I2 are symmetrically arranged at the top of the support frame 1 in front-back mode; a lower die 3 is slidably arranged between two guide rails I2, two clamping grooves I301 are formed in the front side and the rear side of the lower die 3, connecting frames I4 are arranged in the left side and the right side of the top of the two guide rails I2, the number of the connecting frames I4 is four, a guide rail II5 is arranged between the upper sides of the two connecting frames I4 on the left side, a guide rail II5 is also arranged between the upper sides of the two connecting frames I4 on the right side, a fixing frame 6 is arranged between the two guide rails II5, a hydraulic cylinder I7 is arranged on the upper side of the fixing frame 6, a guide rail III8 is connected to a telescopic rod of the hydraulic cylinder I7, an upper die 9 is slidably arranged on the guide rail III8, two clamping grooves II901 are formed in the rear side of the upper die 9, the upper die 9 is positioned right above the lower die 3, a top plate frame 10 is slidably arranged on the lower die 3, a connecting plate 11 is connected to the bottom of the top plate frame 10, a feeding mechanism is used for feeding copper tungsten alloy powder into the lower die 3, a heating mechanism is used for heating tungsten alloy powder in the lower die 3 so as to enable the copper alloy powder to be sintered and formed, a lower die 3 is used for limiting the copper alloy 3 to be ejected from the upper die 9 and the lower die 3, a limiting mechanism is used for limiting the copper alloy 3 to be ejected from the upper die 3 and the lower die 9, so that the replaced lower mold 3 and upper mold 9 stay at the specified positions.
Referring to fig. 6, the feeding mechanism comprises a double-rod air cylinder 12, a discharging frame 13 and a material conveying pipe 14, wherein the double-rod air cylinder 12 is arranged in the middle of the front side of a guide rail I2 on the front side, the discharging frame 13 is connected to a telescopic rod of the double-rod air cylinder 12, one end of the material conveying pipe 14 is communicated with the discharging frame 13, and the other end of the material conveying pipe 14 can be used for being in butt joint with a discharging device of copper tungsten alloy powder.
Referring to fig. 6 and 7, the heating mechanism comprises a heater I15 and a heater II16, wherein the heater I15 comprises a heating base I and a heat conducting pipe I, the middle of the bottoms of the two guide rails I2 is provided with the heating base I, the heat conducting pipe I is arranged on the heating base I at intervals, the heat conducting pipe I penetrates into the guide rail I2 and then penetrates out to be in contact with the lower die 3, the heating base I transfers heat to the lower die 3, the lower die 3 can heat up to sinter copper tungsten alloy powder in the lower die 3, the heater II16 comprises a heating base II and a heat conducting pipe II, the right sides of the bottoms of the two guide rails I2 are respectively provided with the heating base II, the heat conducting pipe II is arranged on the heating base II at intervals, penetrates into the guide rail I2 and then stretches out, and when the lower die 3 needing to be replaced is placed into the guide rail I2 and then is in contact with the heat conducting pipe II, the heat is transferred to the lower die 3 needing to be replaced through the heating base II, so that the lower die 3 needing to be replaced is preheated.
Referring to fig. 8 and 9, the ejection mechanism comprises a connecting frame II17, an electric push rod I18 and a limiting frame 19, wherein the connecting frame II17 is installed between the bottoms of the two guide rails I2, the electric push rod I18 is installed on the connecting frame II17, the limiting frame 19 is connected to a telescopic rod of the electric push rod I18, the connecting plate 11 is clamped into the limiting frame 19, and two inclined blocks are arranged on the right side of the limiting frame 19.
Referring to fig. 10-12, the limiting mechanism comprises a wedge block 20, a limiting frame I21, a spring I22, a limiting frame II23, a spring II24, a toothed plate 25, a gear 26 and a guide rod I27; the wedge block 20 is arranged at the lower part of the rear side of the fixed frame 6; the limiting frame I21 is arranged on the rear side of the guide rail III8 in a sliding mode, the front side of the limiting frame I21 is clamped into a clamping groove II901 of the upper die 9, so that the limiting frame I21 limits the upper die 9, two ends of a spring I22 are respectively connected to the limiting frame I21 and the guide rail III8, two limiting frames II23 are respectively arranged on two guide rails I2 in a sliding mode, the two limiting frames II23 are respectively positioned on the front side and the rear side of the lower die 3, one sides, close to each other, of the two limiting frames II23 are respectively clamped into clamping grooves I301 on the front side and the rear side of the lower die 3, the limiting frames II23 limit the lower die 3, two ends of a spring II24 are respectively connected to the limiting frames II23 and the guide rail I2, the left side and the right side of the bottom of the two limiting frames II23 are respectively connected with toothed plates 25, the number of the toothed plates 25 is four, the left side and the right side of the upper portion of the connecting frame II17 is respectively rotatably provided with gears 26, the left side toothed plates 25 are meshed with the left side gears 26, the right side toothed plates 25 are meshed with the right side gears 26, one side of the right side of the toothed plates 25 are meshed with the right side gears 26, the right side, the two sides of the two toothed plates 27 are connected with the guide rods 27, and the guide rods I are connected to the guide rods 27 on the rear side of the guide rods I and the upper side of the limiting frames 27 are connected to the guide rods I and are connected to the guide rods on the limiting frames 21.
Referring to fig. 13 and 14, the blocking mechanism comprises an electric push rod II28, a limiting plate I29, a guide rod II30 and a limiting plate II31, wherein the electric push rod II28 is mounted on the rear side of a guide rail I2 on the rear side, the limiting plate I29 is slidably mounted on the guide rail I2 on the rear side, the limiting plate I29 is connected with a telescopic rod of the electric push rod II28, the limiting plate I29 is used for blocking the lower die 3, the guide rod II30 is connected on the rear side of the limiting plate I29, the limiting plate II31 is slidably mounted on the rear side of a guide rail III8, the limiting plate II31 is used for blocking the upper die 9, and the limiting plate II31 slides on the guide rod II 30.
When the copper tungsten alloy powder feeding device is used, the other end of the material conveying pipe 14 is in butt joint with a discharging device of the copper tungsten alloy powder, then the discharging frame 13 is driven to move backwards through the double-rod air cylinder 12 until the discharging frame 13 is positioned right above the lower die 3, then the copper tungsten alloy powder is conveyed into the lower die 3 through the material conveying pipe 14 by the discharging device, so that the copper tungsten alloy powder is fed, after a proper amount of copper tungsten alloy powder is added into the lower die 3, the discharging frame 13 is driven to move forwards for resetting through the double-rod air cylinder 12, then the guide rail III8 and the upper die 9 are driven to move downwards through the hydraulic cylinder I7, so that the upper die 9 is in contact with the lower die 3, the copper tungsten alloy powder in the lower die 3 is extruded, and meanwhile, the lower die 3 is heated through the heater I15, so that the copper tungsten alloy powder in the lower die 3 is pressed and sintered, and the copper tungsten alloy powder is made into the preformed copper tungsten alloy through pressing and sintering; then the guide rail III8 and the upper die 9 are driven by the hydraulic cylinder I7 to move upwards for resetting, the upper die 9 is separated from the lower die 3, then the limit frame 19 is driven by the electric push rod I18 to move upwards, the limit frame 19 drives the connecting plate 11 and the top plate frame 10 to move upwards (until the top of the top plate frame 10 is flush with the top of the guide rail I2), the top plate frame 10 jacks up the preformed copper tungsten alloy in the lower die 3, the preformed copper tungsten alloy is demolded from the lower die 3, then the blanking frame 13 is driven by the double-rod air cylinder 12 to move backwards, the blanking frame 13 is driven by the double-rod air cylinder 12 to move backwards to the top of the guide rail I2 on the rear side, then the blanking frame 13 is driven by the double-rod air cylinder 12 to move forwards for resetting, and the limit frame 19 is driven by the electric push rod I18 to move downwards for resetting, the limiting frame 19 drives the connecting plate 11 and the top plate frame 10 to move downwards for resetting, and finally, a worker takes the preformed copper-tungsten alloy from the top of the guide rail I2 at the rear side for subsequent processing, so that the preformed copper-tungsten alloy forms a final electric contact shape through subsequent processing;
When the lower die 3 and the upper die 9 are required to be replaced, the guide rail III8 and the upper die 9 are driven to move upwards by the hydraulic cylinder I7 to enable the guide rail III8 to be in butt joint with the guide rail II5, meanwhile, the guide rail III8 can drive the limit frame I21 to move upwards, when the limit frame I21 is contacted with the wedge block 20, the wedge block 20 can squeeze the limit frame I21 to move backwards, the spring I22 stretches to enable the front side of the limit frame I21 to leave from the clamping groove II901 of the upper die 9, so that the limit frame I21 releases limit on the upper die 9, and meanwhile, the limit frame I21 can drive the guide rod I27, the limit frame I27 and the wedge block 20 can drive the limit frame I21 to move backwards, The rear side limiting frame II23 and the rear side toothed plate 25 move backwards, the rear side spring II24 stretches, the rear side toothed plate 25 drives the front side toothed plate 25 to move forwards through the gear 26, the front side limiting frame II23 is driven to move forwards, the front side spring II24 stretches, the front side limiting frame II23 and the rear side limiting frame II are separated from the clamping groove I301 of the lower die 3, the limiting frame II23 releases limiting of the lower die 3, then the limiting plate I29, the guide rod II30 and the limiting plate II31 are driven to move backwards through the electric push rod II28, the limiting plate I29 is separated from the lower die 3, the limiting plate II31 is separated from the upper die 9, the lower die 3 can be pushed out from the right to the left in the guide rail I2, the upper die 9 is pushed out from the right to the left in the guide rail III8 and the guide rail II5, and the limiting plate I29 is driven through the electric push rod II28, The guide rod II30 and the limit plate II31 move forwards to reset, then the lower die 3 needing to be replaced is pushed to move leftwards in the guide rail I2 until the lower die 3 needing to be replaced contacts with the limit plate I29, the limit plate I29 stops the lower die 3 needing to be replaced, so that the lower die 3 needing to be replaced stays at a specified position, the last lower die 3 is replaced, then the upper die 9 needing to be replaced is pushed to move leftwards in the guide rail II5 and the guide rail III8 until the upper die 9 needing to be replaced contacts with the limit plate II31, the limit plate II31 stops the upper die 9 needing to be replaced, so that the upper die 9 needing to be replaced stays at the specified position, the last upper die 9 is replaced, then the guide rail III8 and the upper die 9 are driven to move downwards to reset through the hydraulic cylinder I7, the guide rail III8 drives the limit frame I21 to move downwards to reset, when the limit frame I21 is separated from the wedge block 20, the spring I22 and the spring II24 restore the original state, the spring I22 drives the limit frame I21 to move forwards to reset, the upper die 9 needing to be replaced is stopped, and the upper die 9 is driven to complete the limit frame I21, and the limit frame I is replaced by the upper die 21 is driven to be replaced, and the limit frame 27 is completed the limiting frame II23 on the rear side and the toothed plate 25 on the rear side move forwards for resetting, and the toothed plate 25 on the rear side drives the toothed plate 25 on the front side to move backwards through the gear 26, so that the limiting frame II23 on the front side and the limiting frame II23 on the rear side are driven to move backwards, and then the limiting frames II23 on the front side and the rear side are clamped into the clamping grooves I301 of the lower die 3 for completing replacement, so that the limiting frame II23 limits the lower die 3 for completing replacement, and therefore replacement of the lower die 3 and the upper die 9 can be completed, and the device is simple to operate and saves time and labor.
Referring to fig. 13 and 15, the rolling mechanism further comprises a rolling mechanism, wherein the rolling mechanism comprises an electric push rod III32, a push plate 33, a hydraulic cylinder II34, a connecting frame 35, rollers 36 and a servo motor 37, the electric push rod III32 is arranged on the right side of the top of a rear guide rail I2, the push plate 33 is connected to a telescopic rod of the electric push rod III32, the hydraulic cylinder II34 is arranged on the rear side of a left rear connecting frame I4, the connecting frame 35 is arranged on the telescopic rod of the hydraulic cylinder II34, rollers 36 are respectively arranged on the inner side of the connecting frame 35 and the left side of the upper part of the rear guide rail I2 at intervals, the rollers 36 are used for rolling formed copper tungsten alloy, the two servo motors 37 are respectively arranged on the right side of the rear side of the connecting frame 35 and the rear side of the rear guide rail I2, the two servo motors 37 are distributed up and down, and an output shaft of the upper servo motor 37 is connected with a rightmost roller 36 in the connecting frame 35, and an output shaft of the lower servo motor 37 is connected with a rightmost roller 36 in the rear guide rail I2.
When the device is used, according to the specific height of the preformed copper-tungsten alloy, the connecting frame 35 is driven to move up and down through the hydraulic cylinder II34, so that the distance between the connecting frame 35 and the guide rail I2 is adjusted (so that when the preformed copper-tungsten alloy passes through between the connecting frame 35 and the roller 36 in the guide rail I2, the roller 36 can effectively roll the preformed copper-tungsten alloy), after the adjustment, the feeding frame 13 pushes the preformed copper-tungsten alloy to move backwards to the top of the guide rail I2 at the rear side, the push plate 33 can be driven by the electric push rod III32 to move leftwards, the push plate 33 pushes the preformed copper-tungsten alloy between the connecting frame 35 and the roller 36 in the guide rail I2, so that the roller 36 rolls the preformed copper-tungsten alloy (by rolling the preformed copper-tungsten alloy, grains can be thinned, strength and toughness of the copper-tungsten alloy are increased), and simultaneously, the corresponding roller 36 is driven to rotate through the servo motor 37, when the preformed copper-tungsten alloy is rolled, the preformed copper-tungsten alloy is conveyed leftwards, and when the preformed copper-tungsten alloy is pushed back to the top of the guide rail I2 is driven by the electric push rod III, the push plate 33 is pushed between the connecting frame 35 and the guide rail I2, and the copper-tungsten alloy is reset from the rear side of the guide rail I2, and the copper-tungsten alloy is rolled by the electric push rod III, and the subsequent rolling operation is finished by the electric push rod III.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.
Claims (5)
1. The production equipment of the copper-tungsten alloy electrical contact comprises a supporting frame (1) and is characterized by further comprising a guide rail I (2), a lower die (3), a connecting frame I (4), a guide rail II (5), a fixing frame (6), a hydraulic cylinder I (7), a guide rail III (8), an upper die (9), a jacking frame (10), a connecting plate (11), a feeding mechanism, a heating mechanism, an ejection mechanism, a lifting mechanism and a lifting mechanism, The device comprises a limiting mechanism and a blocking mechanism, wherein guide rails I (2) are symmetrically arranged on a supporting frame (1), a lower die (3) is slidably arranged between the guide rails I (2), a clamping groove I (301) is formed in the lower die (3), a connecting frame I (4) is arranged on the guide rails I (2), a guide rail II (5) is arranged on the connecting frame I (4), a fixing frame (6) is arranged on the guide rails II (5), a hydraulic cylinder I (7) is arranged on the fixing frame (6), a guide rail III (8) is connected to a telescopic rod of the hydraulic cylinder I (7), an upper die (9) is slidably arranged on the guide rail III (8), a clamping groove II (901) is formed in the upper die (9), a top plate frame (10) is slidably arranged in the lower die (3), a connecting plate (11) is connected to the top plate frame (10), a tungsten feeding mechanism is used for feeding copper alloy powder into the lower die (3), a heating mechanism is used for heating tungsten alloy powder in the lower die (3), a copper alloy formed in the lower die (3), a lifting mechanism is connected to the telescopic rod of the hydraulic cylinder I (7), an upper die (9) is slidably arranged on the upper die (9), and the upper die (9) is used for limiting the upper die (3) and the upper die (12), and the limiting mechanism is used for limiting the upper die (3) The automatic feeding device comprises a blanking frame (13) and a conveying pipe (14), wherein a double-rod air cylinder (12) is arranged on a guide rail I (2) on one side of the double-rod air cylinder, the blanking frame (13) is connected to a telescopic rod of the double-rod air cylinder (12), the conveying pipe (14) is communicated with the blanking frame (13), an ejection mechanism comprises a connecting frame II (17), an electric push rod I (18) and a limiting frame (19), the connecting frame II (17) is arranged between the guide rails I (2), the electric push rod I (18) is arranged on the connecting frame II (17), the limiting frame (19) is connected to a telescopic rod of the electric push rod I (18), a connecting plate (11) is clamped into the limiting frame (19), and the limiting mechanism comprises a wedge block (20), The limiting mechanism comprises a limiting frame I (21) and a spring I (22), wherein a wedge block (20) is arranged on a fixed frame (6), the limiting frame I (21) is arranged on a guide rail III (8) in a sliding mode, the limiting frame I (21) is used for limiting an upper die (9), two ends of the spring I (22) are respectively connected to the limiting frame I (21) and the guide rail III (8), and the limiting mechanism further comprises a limiting frame II (23), a spring II (24), a toothed plate (25), a spring II (25) and a spring I (22), the gear (26) and the guide rod I (27), the limit frame II (23) is arranged on the guide rail I (2) in a sliding way, the limit frame II (23) is used for limiting the lower die (3), two ends of the spring II (24) are respectively connected to the limit frame II (23) and the guide rail I (2), the toothed plate (25) is connected to the limit frame II (23), the gear (26) is rotatably arranged on the connecting frame II (17), the toothed plate (25) is meshed with the gear (26), the guide rod I (27) is connected to the limit frame II (23) on one side, the limit frame I (21) slides on the guide rod I (27), the limit frame (19) is driven to move upwards by the electric push rod I (18), the limit frame (19) drives the connecting plate (11) and the top plate frame (10) until the top of the top plate frame (10) is flush with the top of the guide rail I (2), the preformed copper alloy in the lower die (3) is jacked, the preformed copper alloy is jacked from the lower die (3), the preformed copper alloy is then moved downwards by the double-cylinder (12), the blanking frame (13) is used for pushing the preformed copper tungsten alloy on the jacking frame (10) to move backwards to the top of the guide rail I (2) at the rear side, the guide rail III (8) and the upper die (9) are driven by the hydraulic cylinder I (7) to move upwards, the guide rail III (8) is in butt joint with the guide rail II (5), meanwhile, the guide rail III (8) can drive the limiting frame I (21) to move upwards, when the limiting frame I (21) is in contact with the wedge block (20), the wedge block (20) can extrude the limiting frame I (21) to move backwards, the spring I (22) stretches, the front side of the limiting frame I (21) leaves from the clamping groove II (901) of the upper die (9), the limiting frame I (21) releases the limit on the upper die (9), and meanwhile, the limiting frame I (21) can drive the guide rod I (27), The limiting frame II (23) at the rear side and the toothed plate (25) at the rear side move backwards, the spring II (24) at the rear side stretches, the toothed plate (25) at the rear side drives the toothed plate (25) at the front side to move forwards through the gear (26), so that the limiting frame II (23) at the front side is driven to move forwards, the spring II (24) at the front side stretches, and the limiting frames II (23) at the front side and the rear side leave from the clamping groove I (301) of the lower die (3), so that the limiting frames II (23) release the limit on the lower die (3).
2. A copper tungsten alloy electrical contact production equipment according to claim 1, wherein the heating mechanism comprises a heater I (15) and a heater II (16), the heater I (15) and the heater II (16) are arranged in the guide rail I (2), the heater I (15) is used for heating copper tungsten alloy powder in the lower die (3), and the heater II (16) is used for preheating the lower die (3) which is replaced next.
3. The copper-tungsten alloy electrical contact production equipment according to claim 2, wherein the blocking mechanism comprises an electric push rod II (28) and a limiting plate I (29), the electric push rod II (28) is arranged on a guide rail I (2) on one side, the limiting plate I (29) is slidably arranged on the guide rail I (2) on the same side as the electric push rod II (28), the limiting plate I (29) is connected with a telescopic rod of the electric push rod II (28), and the limiting plate I (29) is used for blocking the lower die (3).
4. A copper tungsten alloy electrical contact production device according to claim 3, wherein the blocking mechanism further comprises a guide rod II (30) and a limiting plate II (31), the guide rod II (30) is connected to the limiting plate I (29), the limiting plate II (31) is slidably mounted on the guide rail III (8), the limiting plate II (31) is used for blocking the upper die (9), and the limiting plate II (31) slides on the guide rod II (30).
5. The copper-tungsten alloy electrical contact production equipment according to claim 4, further comprising a rolling mechanism, wherein the rolling mechanism comprises an electric push rod III (32), a push plate (33), a hydraulic cylinder II (34), a connecting frame (35), a roller (36) and a servo motor (37), the electric push rod III (32) is arranged on a guide rail I (2) far away from one side of the double-rod cylinder (12), the push plate (33) is connected to a telescopic rod of the electric push rod III (32), the hydraulic cylinder II (34) is arranged on a connecting frame I (4), the connecting frame (35) is arranged on a telescopic rod of the hydraulic cylinder II (34), the roller (36) is respectively rotatably arranged in the connecting frame (35) and the guide rail I (2), the roller (36) is used for rolling formed copper-tungsten alloy, the servo motor (37) is respectively arranged on the connecting frame (35) and the guide rail I (2), and an output shaft of the servo motor (37) is connected with the roller (36).
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| CN105458267A (en) * | 2015-11-23 | 2016-04-06 | 江苏阳明船舶装备制造技术有限公司 | Flexible metal cloth rolling device and manufacturing method |
| CN214137040U (en) * | 2020-07-06 | 2021-09-07 | 绍兴韦德汽配有限公司 | Automatic hot pressing mechanism |
| CN216263463U (en) * | 2021-10-25 | 2022-04-12 | 沈阳金纳新材料股份有限公司 | Powder metallurgy sintering device convenient to change mould |
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|---|---|---|---|---|
| JPH10214742A (en) * | 1996-11-29 | 1998-08-11 | Aichi Steel Works Ltd | Preforming die |
| KR20110016783A (en) * | 2009-08-12 | 2011-02-18 | 동아대학교 산학협력단 | Powder metallurgy forming press and tool die holder |
| CN110523991B (en) * | 2019-06-29 | 2021-01-12 | 深圳感通科技有限公司 | Integrated inductor forming machine |
| CN218476015U (en) * | 2022-10-31 | 2023-02-14 | 厦门市力立粉末冶金有限公司 | Shaping machine |
| CN117644151B (en) * | 2024-01-29 | 2024-04-16 | 新乡市旭兴电源科技有限公司 | Die-cutting forming equipment and die-cutting method for current collecting disc of cylindrical battery cover plate |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458267A (en) * | 2015-11-23 | 2016-04-06 | 江苏阳明船舶装备制造技术有限公司 | Flexible metal cloth rolling device and manufacturing method |
| CN214137040U (en) * | 2020-07-06 | 2021-09-07 | 绍兴韦德汽配有限公司 | Automatic hot pressing mechanism |
| CN216263463U (en) * | 2021-10-25 | 2022-04-12 | 沈阳金纳新材料股份有限公司 | Powder metallurgy sintering device convenient to change mould |
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