CN116393580A - Stamping device for contact parts of electric switch - Google Patents
Stamping device for contact parts of electric switch Download PDFInfo
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- CN116393580A CN116393580A CN202310681955.7A CN202310681955A CN116393580A CN 116393580 A CN116393580 A CN 116393580A CN 202310681955 A CN202310681955 A CN 202310681955A CN 116393580 A CN116393580 A CN 116393580A
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- stamping
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- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 238000001816 cooling Methods 0.000 claims description 66
- 238000009413 insulation Methods 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 37
- 238000001914 filtration Methods 0.000 claims description 20
- 239000004744 fabric Substances 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 14
- 244000309464 bull Species 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 description 44
- 230000000694 effects Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 238000007605 air drying Methods 0.000 description 6
- 239000000110 cooling liquid Substances 0.000 description 6
- 238000010030 laminating Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011551 heat transfer agent Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- B08B1/143—
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- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
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- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
-
- 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
- B21D37/16—Heating or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a stamping device for an electric switch contact component, which comprises stamping equipment, wherein a lower die is fixedly arranged on the surface of the stamping equipment, a template is arranged on the upper surface of the lower die, a hydraulic cylinder is slidably arranged in the stamping equipment, an upper die is fixedly arranged at the output end of the hydraulic cylinder, and heating devices which are respectively arranged on the side walls of the stamping equipment and used for heating the template at the position where the stamping is required to be performed so as to increase the ductility of a product.
Description
Technical Field
The invention relates to the technical field of stamping devices, in particular to a stamping device for an electric switch contact component.
Background
The stamping device is a stamping device, stamping is a common industrial method, and metal materials can be manufactured into a desired structure by means of mutual extrusion of dies, so that the processing efficiency of the metal materials is improved, and the stamping device is required to be practically used when the metal sheets of the contact parts of the electric switch are perforated.
Chinese patent application CN106493989a discloses a punching machine, belong to mechanical field, including driving gear and driven gear, driving gear passes through transmission and motor shaft connection, driven gear fixes on the bent axle, driving gear passes through with driven gear meshing transmission power, the working face of the teeth of a cogwheel on the driving gear is convex, set up convex recess on the driven gear, the internal surface of recess and the surface close fit of teeth of a cogwheel are in the same place when recess and teeth of a cogwheel mesh, the teeth of a cogwheel is the arc, mesh through the arc between the gear, the teeth of a cogwheel passes through the cambered surface contact in the meshing process, each partial atress of teeth of a cogwheel is even, prevent to beat the tooth.
However, the above-mentioned patents and prior art also have the following drawbacks:
when punching a hole on a contact metal sheet component by using a punching die, a metal sheet is punched by using a bulge on the die, and in the process of using the die, only a metal sheet with better ductility can be punched.
To this end, we propose an electrical switch contact part stamping device.
Disclosure of Invention
The invention aims to provide an electric switch contact part stamping device which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an electric switch contact part stamping device, includes stamping equipment, stamping equipment's surface fixed mounting has the bed die, the template has been placed to the upper surface of bed die, stamping equipment's inside slidable mounting has the pneumatic cylinder, the output fixed mounting of pneumatic cylinder has the bed die, still include set up respectively in stamping equipment lateral wall is used for to the template needs the punching press position to heat and is used for increasing the heating device of product ductility, heating device includes the heating wire that has the heating effect to and can gather the insulating sheath of heat to the heating position, the insulating sheath is folding structure, and two one side that the insulating sheath is close to each other all is provided with the inclined plane structure; the cooling device is respectively arranged at the discharging side of the stamping equipment and used for cooling the product after stamping of the stamping equipment, and comprises a cooling tank fixedly arranged on the side wall of the stamping equipment and a filtering frame sleeved on the inner side of the cooling tank in a sliding manner, and the lower side of the filtering frame is of an inclined surface structure; the cleaning device is arranged at the lower side of the cooling tank and used for cleaning the cooled product in the cooling tank, and comprises sponge cloth and a sponge strip, wherein the lower side of the sponge strip is of an arc surface structure, and a slotted hole of an equal hexagonal structure is formed in the middle of the sponge strip.
The components achieve the following effects: by arranging the heating device, the heating wire is used for heating the punching position of the template, only the punching position is heated, the ductility of the punching position of the template is improved on the premise of ensuring the self strength around the template, the preheating treatment work of the punching position of the ductile deviation metal sheet is facilitated, the occurrence of crack flaws of the die and the punching position of the ductile deviation template is reduced, the punching effect of the punching position of the ductile deviation template is improved, and the application range of the die is further improved; by arranging the cooling device, the cooling liquid in the cooling tank is used for cooling the product, so that the rapid packaging work of the cooled product is facilitated; through setting up wiping arrangement, through utilizing sponge cloth and sponge strip to clean the work to the extrusion of product, improved the efficiency of cleaning to the product, and then made things convenient for the air-drying packing work of product after the cooling.
Preferably, the heating device further comprises a support fixedly arranged on the side wall of the stamping device, two sliding strips are arranged in the support and provided with planar battens, a limiting frame is fixedly arranged on the surface of each sliding strip, two limiting rods are arranged at one end of each limiting frame, a heat insulation frame is fixedly arranged on one side, close to each other, of each limiting rod, a heat insulation ring is fixedly arranged on the lower surface of each heat insulation frame, an electric heating wire is arranged on the upper side of a metal plate, the electric heating wire is in an annular structure, a heat conducting agent is arranged between each heat insulation ring, the metal plate and each heat insulation frame, the lower side of each heat insulation ring is fixedly connected with a heat insulation sleeve, a driving rod is threaded on the wall of one end of the support, the driving rods are rotatably connected with the inner sides of the limiting frames, a first spring is sleeved on the surface of each limiting rod, two ends of each first spring are fixedly connected with the corresponding limiting frame and each heat insulation frame, a first automatic telescopic rod is fixedly arranged on the inner wall of each limiting frame, a driving block is fixedly arranged at the output end of each first automatic telescopic rod, and the cross section of each driving block is in a tip structure.
The components achieve the following effects: when blanking the template, carry out the pay-off with the position of template cover between two metal sheets, start first automatic telescopic link and insert the drive piece from between two thermal-insulated framves, can realize keeping away from the drive work of one side each other to two thermal-insulated framves, start the heating wire operation, the heating efficiency to the metal sheet has been improved in the setting of heat-conducting agent, the metal sheet can be heated this moment, after moving the position of punching a hole on the template to corresponding position with two metal sheets, start first automatic telescopic link, after the drive piece is taken out from between two thermal-insulated framves, the thermal-insulated frame can receive the first spring action on the limiting frame and drive the metal sheet on the thermal-insulated ring to move to the direction of pressing close to the template, the metal sheet that sends out the boiling hot at this moment can need punch a hole the position to the template to heat the work, the surface of thermal-insulated cover can laminate at the template, the stability that gathers heat in template department, after punching a hole the position of template is heated, can drive first automatic telescopic link again and insert the position between two thermal-insulated framves, the position of punching a hole the template is heated, the ductility of position of punching a hole has been strengthened, can realize the drive work to the limiting frame, and place is moved to the direction.
Preferably, the lower surface of the heat insulation frame is provided with a supporting structure, the supporting structure comprises a round cylinder fixedly installed on the lower side of the heat insulation frame, the inner wall of the round cylinder is in threaded connection with a screw, and the lower end of the screw is clamped with a steel ball.
The components achieve the following effects: through setting up bearing structure, support the steel ball on the surface of model, through the inside screw rod of rotation circular cylinder, made things convenient for the accuse to the distance between metal sheet and the sample to the condition of pasting together between metal sheet and the model has been reduced.
Preferably, the inside of thermal-insulated ring is equipped with adjusting structure, adjusting structure includes the square tube of a plurality of circumference array at thermal-insulated ring inboard, square tube's inner wall slidable mounting has the slider, the lateral wall fixed mounting of slider has the connecting rod, the double-screw bolt is worn to be equipped with by the internal thread of thermal-insulated frame, the connecting rod is the structure of buckling.
The components achieve the following effects: through rotating the double-screw bolt, the double-screw bolt can take place relative motion with the connecting rod of buckling between, has made things convenient for the drive work to a plurality of arc to keeping away from one side each other to the regulation to the heating wire scope has been made things convenient for, has made things convenient for the preliminary heating work to the different big aperture of template preliminary punching, has further improved the heating efficiency to the template.
Preferably, the wiping device further comprises a second automatic telescopic rod fixedly arranged on the side wall of the cooling tank, a positioning plate is fixedly arranged at the output end of the second automatic telescopic rod, two sliding pins are fixedly arranged on the lower surface of the positioning plate, the two sliding pins are in sliding connection with the inside of the filtering frame, and the filtering frame and the positioning plate are connected with each other.
The components achieve the following effects: and cooling liquid is added into the cooling tank, and can fall on the upper side of the filtering frame in the cooling tank after the product is processed, so that the cooling liquid can realize rapid cooling of the processed contact part, and the condition that workers are scalded when the processed product is avoided.
Preferably, the lateral wall of filter frame has evenly offered a plurality of reservation groove, the lateral wall fixed mounting of cooling tank has the fixed block, the inside slidable mounting of fixed block has the drive frame, fixed mounting has the third spring between drive frame and the fixed block, the terminal side of drive frame is triangular prism structure.
The components achieve the following effects: starting the second automatic telescopic link, the second automatic telescopic link can drive the filter frame and roll out in the cooling tank inside, and the product can follow filter frame downside inclined plane roll-out, and at filter frame slip in-process, the relative motion can take place between drive frame and the reservation groove to the drive frame can receive the laminating of third spring elasticity effect at the lateral wall of filter frame this moment, has increased the resistance of motion in-process between filter frame and the cooling tank, and the filter frame can receive the second spring elasticity effect jolt on the locating plate this moment, thereby has improved the ejection of compact efficiency of product after the inboard cooling of filter frame.
Preferably, the bottom wall of the filter frame is fixedly provided with a plurality of raised strips, and the cross section of each raised strip is isosceles triangle.
The components achieve the following effects: through setting up a plurality of sand grip, reduced the contact surface between product and the filter frame, further improved the product and taken out efficiency in the filter frame.
Preferably, the wiping device further comprises two mounting plates fixedly mounted on the side walls of the cooling tank, a rectangular frame is fixedly mounted on the lower side of each mounting plate, two rotating shafts are mounted in the rectangular frame in a rotating mode, a conveying belt is connected to the side walls of the rotating shafts in a transmission mode, sponge cloth is glued to the outer surface of the conveying belt, a plurality of round holes are evenly formed in the surface of the conveying belt, a first motor is fixedly mounted on the surface of the rectangular frame, the output end of the first motor is fixedly connected with the rotating shafts, three rectangular strips are fixedly mounted on the inner wall of the rectangular frame, the sponge strips are sleeved on the surfaces of the rectangular strips, and air pipes are communicated with the surfaces of the rectangular frame.
The components achieve the following effects: the product can fall on the sponge cloth of conveyer belt upside from unloading frame position, through setting up the notch of seting up hexagonal structure, has strengthened the stability of sponge strip laminating on the product, can realize the stable work of cleaning to the product this moment, through the work of cleaning to the multiple double-sided of product, has improved the air-drying efficiency of product.
Preferably, two fixing strips are fixedly arranged on the side wall of the rectangular frame, and one ends, close to each other, of the two fixing strips are fixedly connected with the blanking frame.
The components achieve the following effects: after cooling down the product, the product can slide down in the unloading frame from the filter frame position.
Preferably, the inside rotation of rectangle frame is installed three bull stick, and is three the lateral wall of bull stick is equal fixed mounting has a plurality of rubber strip, the lateral wall fixed mounting of rectangle frame has the second motor, the output and the bull stick fixed connection of second motor, the middle part transversal diamond structure of personally submitting of rubber strip, the one side cross section that the bull stick was kept away from to the rubber strip is the arc.
The components achieve the following effects: the product can squeeze into between sponge strip and the sponge cloth from between rubber strip and the elasticity cloth and clean work, through setting up the rubber strip that the mid side is diamond structure, has improved the stability to the product extrusion.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, by arranging the heating device, the heating wire is used for heating the punching position of the template, only the punching position is heated, the ductility of the punching position of the template is improved on the premise of ensuring the self strength around the template, the preheating treatment work of the punching position of the ductile deviation metal sheet is facilitated, the conditions that cracks and flaws appear in the punching position of the die and the ductile deviation template are reduced, and the punching effect of the punching position of the ductile deviation template is improved, so that the application range of the die is improved.
According to the invention, the cooling device is arranged, and the cooling liquid in the cooling tank is used for cooling the product, so that the rapid packaging work of the cooled product is facilitated.
According to the invention, the wiping device is arranged, and the product is wiped by utilizing the sponge cloth and the sponge strips, so that the wiping efficiency of the product is improved, and the air-drying and packaging work of the cooled product is facilitated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of another angle structure of the present invention;
FIG. 4 is a schematic diagram of a heating device according to the present invention;
FIG. 5 is a schematic view of the partial structure of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the partial structure of FIG. 3 according to the present invention;
FIG. 7 is a schematic view of the structure of the filter frame of the present invention;
FIG. 8 is an enlarged view of the portion A of FIG. 2 in accordance with the present invention;
FIG. 9 is a schematic cross-sectional view of a wiping device of the present invention;
fig. 10 is an enlarged view of fig. 9B in the present invention.
In the figure: 1-a stamping device; 2-lower die; 3-a hydraulic cylinder; 4-upper die; 5-template; 6-a heating device; 601-a stent; 602-slide bar; 603-driving the rod; 604-a first automatic telescopic rod; 605-a drive block; 606-a limit frame; 607-a stop lever; 608-a first spring; 609-an insulating ring; 610-insulation rack; 611-heating wire; 612-metal plate; 613-an adjustment structure; 6131-studs; 6132-square communication; 6133-a slider; 6134-connecting rod; 6135-arc plate; 614-support structure; 6141-a circular cylinder; 6142-screw; 6143-steel ball; 615-insulating sleeve; 7-a cooling device; 701-a cooling tank; 702-a filter frame; 703-a second automatic telescopic rod; 704-convex strips; 705-reserving a slot; 706-positioning a plate; 707-slide pin; 708-a second spring; 709-fixing blocks; 710—a drive frame; 711-third spring; 8-a wiping device; 801-rectangular box; 802-wind pipe; 803-mounting plate; 804-a first motor; 805-a second motor; 806-blanking frame; 807-spindle; 808-a conveyor belt; 809-sponge cloth; 810-rectangular bars; 811-sponge strips; 812-rotating rod; 813-rubber strips.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides an electric switch contact part stamping device, including stamping equipment 1, stamping equipment 1's surface fixed mounting has bed die 2, template 5 has been placed to bed die 2's upper surface, stamping equipment 1's inside slidable mounting has pneumatic cylinder 3, pneumatic cylinder 3's output fixed mounting has upper die 4, still include, set up respectively in stamping equipment 1 lateral wall, be used for heating the heating device 6 in order to increase the product ductility in template 5 needs the punching position, heating device 6 includes heating wire 611 that has the heating effect, and can gather the heat-insulated sleeve 615 of heat to the heating position, the insulated sleeve 615 is folding structure, and the side that two insulated sleeves 615 are close to each other all is provided with the inclined plane structure, through setting up heating device 6, only heat the punching position to template 5 through utilizing heating wire 611, the preliminary heating processing work to the position of punching position of template 5 has been improved under the prerequisite of guaranteeing template 5 surrounding self intensity, the condition that has reduced the mould and deviation template 5 position flaw appears, thereby the application scope to the mould that has improved to the position of punching position to the deviation crack flaw; the cooling device 7 is respectively arranged at the discharging side of the stamping equipment 1 and used for cooling the product after stamping of the stamping equipment 1, the cooling device 7 comprises a cooling groove 701 fixedly arranged on the side wall of the stamping equipment 1 and a filter frame 702 sleeved on the inner side of the cooling groove 701 in a sliding manner, the lower side of the filter frame 702 is of an inclined plane structure, and the cooling device 7 is arranged to cool the product by using the cooling groove 701, so that the rapid packing work of the cooled product is facilitated; set up in the cooling bath 701 downside respectively for wipe the wiping arrangement 8 that dries to the product after the cooling bath 701 internal cooling, wiping arrangement 8 is including sponge 809 and sponge strip 811, and the downside of sponge strip 811 is the cambered surface structure, and the slotted hole of waiting hexagon structure has been seted up at the middle part of sponge strip 811, through setting up wiping arrangement 8, through utilizing sponge 809 and sponge strip 811 to the extrusion wiping work of product, has improved the wiping efficiency to the product, and then has made things convenient for the air-drying packing work of product after the cooling.
The specific arrangement and function of the heating device 6, the cooling device 7 and the wiping device 8 will be described in detail below.
As shown in fig. 1-5, the heating device 6 further includes a support 601 fixedly installed on the side wall of the stamping device 1, two sliding strips 602 are installed in the support 601 and provided with a planar slat, a limiting frame 606 is fixedly installed on the surfaces of the two sliding strips 602, two limiting rods 607 are installed at one end of the limiting frame 606, a heat insulation frame 610 is fixedly installed on one side, close to each other, of the two limiting rods 607, a heat insulation ring 609 is fixedly installed on the lower surface of the heat insulation frame 610, an electric heating wire 611 is located on the upper side of a metal plate 612, the electric heating wire 611 is in a ring-shaped structure, a heat conducting agent is arranged between the heat insulation ring 609, the metal plate 612 and the heat insulation frame 610, the lower side of the heat insulation ring 609 is fixedly connected with a heat insulation sleeve 615, a driving rod 603 is threaded on the wall of one end of the support 601, the driving rod 603 is rotatably connected with the inside of the limiting frame 606, a first spring 608 is sleeved on the surface of the limiting rod 607, two ends of the first spring 608 are fixedly connected with the limiting frame 606 and the heat insulation frame 610, a first automatic telescopic rod 604 is fixedly installed on the inner wall of the limiting frame 606, a driving block 605 is fixedly installed on the output end of the first automatic telescopic rod 604, and the driving block 605 is fixedly installed on the driving block 605, and the cross section is in the cross section of the driving block 605. When blanking the sample plate 5, the sample plate 5 is sleeved at the position between the two metal plates 612 for feeding, the first automatic telescopic rod 604 is started to insert the driving block 605 from the position between the two heat insulation frames 610, driving work of keeping away from one side of the two heat insulation frames 610 can be achieved, the heating wire 611 is started to operate, the heating efficiency of the metal plates 612 is improved due to the arrangement of the heat conducting agent, at the moment, the metal plates 612 can be heated, the punching position on the sample plate 5 is moved to the position corresponding to the two metal plates 612, the first automatic telescopic rod 604 is started, after the driving block 605 is pulled out from the position between the two heat insulation frames 610, the heat insulation frames 610 can be driven by the elastic force of the first spring 608 on the limiting frame 606 to move the metal plates 612 on the heat insulation ring 609 to the direction close to the sample plate 5, at the moment, the metal plates 612 which are heated need to heat the punching position of the sample plate 5 can be attached to the surface of the sample plate 5, the heat collecting stability of the sample plate 5 is improved, the first automatic telescopic rod 604 can be driven to insert the position between the two heat insulation frames 610 again, the punching position of the sample plate 5 can be heated, the expansion position of the sample plate 5 can be driven to heat the sample plate 5, and the position of the sample plate 5 can be driven to rotate, and the position of the sample plate 5 can be heated by the expansion position of the sample plate 5 can be driven to rotate, and the position of the sample plate 5 can be heated to rotate conveniently.
The lower surface of the heat insulation frame 610 is provided with a supporting structure 614, the supporting structure 614 comprises a circular cylinder 6141 fixedly arranged on the lower side of the heat insulation frame 610, the inner wall of the circular cylinder 6141 is in threaded connection with a screw 6142, and the lower end of the screw 6142 is clamped with a steel ball 6143. By arranging the supporting structure 614 to support the steel balls 6143 on the surface of the template 5, the control of the distance between the metal plate 612 and the sample is facilitated by rotating the screw 6142 inside the circular cylinder 6141, so that the condition that the metal plate and the template 5 are stuck together is reduced.
The inboard of insulating ring 609 is equipped with adjustment structure 613, and adjustment structure 613 includes the square tube 6132 of a plurality of circumference array at the insulating ring 609 inboard, and square tube 6132's inner wall slidable mounting has slider 6133, and slider 6133's lateral wall fixed mounting has connecting rod 6134, and the double-screw bolt 6131 is worn to be equipped with to the internal thread of insulating frame 610, and connecting rod 6134 is the structure of buckling. Through rotating the stud 6131, the stud 6131 and the bent connecting rod 6134 can move relatively, so that the driving work of a plurality of arc plates 6135 to one side far away from each other is facilitated, the range of the heating wire 611 is conveniently adjusted, the preheating work of pre-punching different small holes on the template 5 is facilitated, and the heating efficiency of the template 5 is further improved.
As shown in fig. 1-3 and fig. 6-8, the wiping device 8 further comprises a second automatic telescopic rod 703 fixedly installed on the side wall of the cooling tank 701, a positioning plate 706 is fixedly installed at the output end of the second automatic telescopic rod 703, two sliding pins 707 are fixedly installed on the lower surface of the positioning plate 706, the two sliding pins 707 are both in sliding connection with the inside of the filter frame 702, and a 708 is connected between the filter frame 702 and the positioning plate 706. The cooling liquid is added into the cooling tank 701, and can fall on the upper side of the filtering frame 702 in the cooling tank 701 after the product is processed, at this time, the cooling liquid can realize the rapid cooling work of the processed contact part, and the condition that the processed product scalds workers is avoided.
A plurality of reserved grooves 705 are uniformly formed in the side wall of the filter frame 702, a fixed block 709 is fixedly arranged on the side wall of the cooling groove 701, a driving frame 710 is slidably arranged in the fixed block 709, a third spring 711 is fixedly arranged between the driving frame 710 and the fixed block 709, and the end side of the driving frame 710 is of a triangular prism structure. The second automatic telescopic rod 703 is started, the second automatic telescopic rod 703 can drive the filter frame 702 to slide out in the cooling groove 701, products can slide out from the inclined surface of the lower side of the filter frame 702, relative motion can occur between the drive frame 710 and the reserved groove 705 in the sliding process of the filter frame 702, the drive frame 710 can be attached to the side wall of the filter frame 702 under the elastic force action of the third spring 711 at the moment, the resistance in the moving process between the filter frame 702 and the cooling groove 701 is increased, and at the moment, the filter frame 702 can be jolted under the elastic force action of the second spring 708 on the positioning plate 706, so that the discharging efficiency of products cooled on the inner side of the filter frame 702 is improved. A plurality of raised strips 704 are fixedly arranged on the bottom wall of the filter frame 702, and the cross section of each raised strip 704 is isosceles triangle. By providing a plurality of ribs 704, the interface between the product and the filter frame 702 is reduced, further improving the removal efficiency of the product from within the filter frame 702.
As shown in fig. 1-3, 7 and 9-10, the wiping device 8 further comprises two mounting plates 803 fixedly mounted on the side walls of the cooling tank 701, a rectangular frame 801 is fixedly mounted on the lower sides of the two mounting plates 803, two rotating shafts 807 are rotatably mounted in the rectangular frame 801, a conveying belt 808 is connected to the side walls of the two rotating shafts 807 in a transmission manner, sponge cloth 809 is glued to the outer surface of the conveying belt 808, a plurality of circular holes are uniformly formed in the surface of the conveying belt 808, a first motor 804 is fixedly mounted on the surface of the rectangular frame 801, the output end of the first motor 804 is fixedly connected with the rotating shafts 807, three rectangular strips 810 are uniformly and fixedly mounted on the inner wall of the rectangular frame 801, the sponge strips 811 are sleeved on the surface of the rectangular strips 810, and the surface of the rectangular frame 801 is communicated with an air pipe 802. Product can fall on the sponge 809 of conveyer belt 808 upside from unloading frame 806 position, through setting up the notch of seting up the hexagon structure, has strengthened the stability of sponge strip 811 laminating on the product, can realize the stable work of cleaning to the product this moment, through the work of cleaning to the multiple double-sided of product, has improved the air-drying efficiency of product. Two fixing strips are fixedly arranged on the side wall of the rectangular frame 801, and one ends, close to each other, of the two fixing strips are fixedly connected with the blanking frame 806. After cooling the product, the product may slide from the filter frame 702 into the blanking frame 806.
Three bull stick 812 are installed in the inside rotation of rectangle frame 801, and the lateral wall of three bull stick 812 all fixed mounting has a plurality of rubber strip 813, and the lateral wall fixed mounting of rectangle frame 801 has second motor 805, and the output and the bull stick 812 fixed connection of second motor 805, the middle part transversal diamond-shaped structure of personally submitting of rubber strip 813, and the lateral cross section of one side that bull stick 812 was kept away from to rubber strip 813 is the arc. The product can squeeze into between sponge strip 811 and the sponge 809 from between rubber strip 813 and the elastic cloth and clean work, through setting up the rubber strip 813 that the mid side is diamond structure, has improved the stability to the product extrusion.
Working principle: when the sample plate 5 is fed, the sample plate 5 is sleeved between the two metal plates 612 to feed, the first automatic telescopic rod 604 is started to insert the driving block 605 from between the two heat insulation frames 610, the driving work of the two heat insulation frames 610 at the side far away from each other can be realized, the heating wire 611 is started to operate, the heating efficiency of the metal plates 612 is improved due to the arrangement of the heat transfer agent, the metal plates 612 are heated, the punching position on the sample plate 5 is moved to the position corresponding to the two metal plates 612, the first automatic telescopic rod 604 is started, after the driving block 605 is pulled out from between the two heat insulation frames 610, the metal plates 612 on the heat insulation ring 609 are driven by the elastic force of the first springs 608 on the limiting frame 606 to move towards the direction close to the sample plate 5, the metal plates 612 which are heated at the moment need to heat the punching position of the sample plate 5, the heat insulation sleeve 615 can be attached to the surface of the template 5, the heat accumulation stability of the template 5 is improved, after the punching position of the template 5 is heated, the first automatic telescopic rod 604 can be driven to be inserted into the position between the two heat insulation frames 610 again, the punching position of the template 5 is heated, the ductility of the punching position of the template 5 is enhanced, the steel balls 6143 are supported on the surface of the template 5 through the supporting structure 614, the control of the distance between the metal plate 612 and the sample is facilitated by rotating the screw 6142 in the circular cylinder 6141, the condition that the metal plate is stuck together with the template 5 is reduced, the relative movement between the stud 6131 and the bent connecting rod 6134 is facilitated by rotating the stud 6131, the driving work of a plurality of arc plates 6135 to one side far away from each other is facilitated, the adjustment of the range of the heating wires 611 is facilitated, the preheating work of the template 5 with different holes is facilitated, the heating efficiency to the template 5 has further been improved, through rotating actuating lever 603, can realize the drive work to spacing frame 606, thereby the preheating of position of punching a hole on the template 5 of different positions is worked, through setting up heating device 6, through utilizing heating wire 611 to the heating of position of punching a hole of template 5, only to the position of punching a hole heating, the ductility of template 5 position of punching a hole has been improved under the prerequisite of guaranteeing self intensity around the template 5, the preheating treatment work to the position of punching a hole of ductility deviation sheetmetal has been made things convenient for, the condition that crack flaw appears in the position of punching a hole of mould and ductility deviation template 5 has been reduced, the effect of punching a hole to the position of punching a hole of deviation ductile template 5 has been improved, thereby the application scope to the mould has been improved.
Adding the coolant liquid to cooling bath 701 in, can falling in the upside of filtering frame 702 in cooling bath 701 after the product processing, the coolant liquid can realize the quick cooling work to the contact part after processing this moment, the condition that there is the scald staff in the product after having avoided processing, start the automatic telescopic link 703 of second, the automatic telescopic link 703 of second can drive filtering frame 702 and roll off in cooling bath 701 inside, the product can follow filtering frame 702 downside inclined plane roll off, in filtering frame 702 slip process, relative motion takes place between driving frame 710 can and the reservation groove 705, and driving frame 710 can receive the laminating of third spring 711 spring action at this moment in the lateral wall of filtering frame 702, increase the resistance in the motion process between filtering frame 702 and the cooling bath 701, filtering frame 702 can receive the effect of second spring 708 on locating plate 706 this moment jolt, thereby the ejection of compact efficiency of product after the inboard cooling of filtering frame 702 has been improved, through setting up a plurality of sand grip 704, the contact surface between product and the filtering frame 702 has been reduced, further improved the product and taken out efficiency from filtering frame 702, through setting up cooling device 7, utilize the cooling bath to carry out the product and cool down fast cooling to the product after the work has been cooled down.
After cooling down the product, the product can follow filter frame 702 position landing in unloading frame 806, start first motor 804 and second motor 805 simultaneous movement, make first motor 804 and second motor 805 drive the rotation to opposite direction, the product can follow the sponge cloth 809 of unloading frame 806 position landing on the conveyer belt 808 upside, when the product removes the position between bull stick 812 downside and the sponge cloth 809, the product can squeeze into between sponge strip 811 and the sponge cloth 809 from between rubber strip 813 and the elasticity cloth and clean work, through setting up the rubber strip 813 that the mid side is diamond structure, the stability of carrying out the extrusion to the product has been improved, through setting up the notch of seting up hexagon structure, the stability of sponge strip 811 laminating on the product has been strengthened, can realize the stable work of cleaning to the product this moment, through the multiple double-sided work of cleaning to the product, the air drying efficiency to the product has been improved, the packing efficiency to the product later stage has been made things convenient for, start tuber pipe 802, the wind of tuber pipe 802 position can blow to sponge cloth and air-dry sponge cloth 809, the effect to the product has further been improved, through setting up wiping device 8, through utilizing and utilizing sponge cloth 809 to clean up the product after the extrusion efficiency to clean up the product, the product has further cooled down the product has been done conveniently.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An electrical switch contact part stamping device comprising a stamping apparatus (1), characterized in that: the surface fixed mounting of stamping equipment (1) has bed die (2), template (5) have been placed to the upper surface of bed die (2), the inside slidable mounting of stamping equipment (1) has pneumatic cylinder (3), the output fixed mounting of pneumatic cylinder (3) has bed die (4), still includes:
the heating device (6) is respectively arranged on the side wall of the stamping equipment (1) and used for heating the position, needing stamping, of the template (5) so as to increase the ductility of the product, the heating device (6) comprises an electric heating wire (611) with a heating function and a heat insulation sleeve (615) capable of gathering heat at the heating position, the heat insulation sleeve (615) is of a folding structure, and one side, close to each other, of the two heat insulation sleeves (615) is provided with an inclined surface structure;
the cooling device (7) is respectively arranged at the discharging side of the stamping equipment (1) and used for cooling the product stamped by the stamping equipment (1), the cooling device (7) comprises a cooling groove (701) fixedly arranged on the side wall of the stamping equipment (1) and a filtering frame (702) sleeved on the inner side of the cooling groove (701) in a sliding manner, and the lower side of the filtering frame (702) is of an inclined surface structure;
the cleaning device is arranged at the lower side of the cooling tank (701) and is used for cleaning the product cooled in the cooling tank (701), the cleaning device (8) comprises sponge cloth (809) and sponge strips (811), the lower side of each sponge strip (811) is of an arc surface structure, and slotted holes of an equal hexagonal structure are formed in the middle of each sponge strip (811).
2. An electrical switch contact member stamping apparatus as defined in claim 1 wherein: the heating device (6) further comprises a bracket (601) fixedly arranged on the side wall of the stamping equipment (1), wherein the bracket (601) is provided with two sliding strips (602) in a sliding manner, the surfaces of the two sliding strips (602) are fixedly provided with a limit frame (606), one end of the limit frame (606) is provided with two limit rods (607), one side, close to each other, of each limit rod (607) is fixedly provided with a heat insulation frame (610), the lower surface of the heat insulation frame (610) is fixedly provided with a heat insulation ring (609), the heating wire (611) is positioned on the upper side of a metal plate (612), the heating wire (611) is in a ring-shaped structure, a heat conducting agent is arranged between the heat insulation ring (609), the metal plate (612) and the heat insulation frame (610), the lower side of the heat insulation ring (609) is fixedly connected with a heat insulation sleeve (615), the wall of one end of the bracket (601) is threaded through a driving rod (603), the driving rod (603) is in rotary connection with the inner side of the limit frame (606), the first end of the first spring (608) is fixedly provided with a first spring (608), the first spring (608) is fixedly connected with the first spring (606) and the first spring (606) is fixedly provided with the first spring (606), the output end of the first automatic telescopic rod (604) is fixedly provided with a driving block (605), and the cross section of the driving block (605) is of a tip structure.
3. An electrical switch contact member stamping apparatus as defined in claim 2 wherein: the lower surface of thermal-insulated frame (610) is equipped with bearing structure (614), bearing structure (614) are including fixed mounting at circular cylinder (6141) of thermal-insulated frame (610) downside, the inner wall threaded connection of circular cylinder (6141) has screw rod (6142), the lower extreme joint of screw rod (6142) has steel ball (6143).
4. An electrical switch contact member stamping apparatus as defined in claim 2 wherein: the inside of insulating ring (609) is equipped with regulation structure (613), regulation structure (613) are including a plurality of circumference array in the inboard square tube (6132) of insulating ring (609), the inner wall slidable mounting of square tube (6132) has slider (6133), the lateral wall fixed mounting of slider (6133) has connecting rod (6134), stud (6131) are worn to be equipped with to the internal thread of insulating frame (610), connecting rod (6134) are the structure of buckling.
5. An electrical switch contact member stamping apparatus as defined in claim 1 wherein: the wiping device (8) further comprises a second automatic telescopic rod (703) fixedly arranged on the side wall of the cooling tank (701), a positioning plate (706) is fixedly arranged at the output end of the second automatic telescopic rod (703), two sliding pins (707) are fixedly arranged on the lower surface of the positioning plate (706), the two sliding pins (707) are in sliding connection with the inside of the filtering frame (702), and a positioning plate (708) is connected between the filtering frame (702) and the positioning plate (706).
6. An electrical switch contact member stamping apparatus as described in claim 5 wherein: the side wall of filter frame (702) has evenly offered a plurality of reservation groove (705), the lateral wall fixed mounting of cooling bath (701) has fixed block (709), the inside slidable mounting of fixed block (709) has drive frame (710), fixed mounting has third spring (711) between drive frame (710) and fixed block (709), the end side of drive frame (710) is triangular prism structure.
7. An electrical switch contact member stamping apparatus as described in claim 5 wherein: the bottom wall of the filter frame (702) is fixedly provided with a plurality of raised strips (704), and the cross section of each raised strip (704) is isosceles triangle.
8. An electrical switch contact member stamping apparatus as described in claim 5 wherein: the cleaning device is characterized in that the cleaning device (8) further comprises two mounting plates (803) fixedly mounted on the side walls of the cooling groove (701), rectangular frames (801) are fixedly mounted on the lower sides of the mounting plates (803), two rotating shafts (807) are rotatably mounted in the rectangular frames (801), conveying belts (808) are connected to the side wall transmission of the rotating shafts (807), sponge cloth (809) is glued to the outer surfaces of the conveying belts (808), a plurality of round holes are uniformly formed in the surfaces of the conveying belts (808), first motors (804) are fixedly mounted on the surfaces of the rectangular frames (801), three rectangular strips (810) are fixedly mounted on the output ends of the first motors (804) and fixedly connected with the rotating shafts (807), the sponge strips (811) are sleeved on the surfaces of the rectangular strips (810), and air pipes (802) are communicated with the surfaces of the rectangular frames (801).
9. An electrical switch contact member stamping apparatus as defined in claim 8, wherein: two fixing strips are fixedly arranged on the side wall of the rectangular frame (801), and one ends, close to each other, of the two fixing strips are fixedly connected with the blanking frame (806).
10. An electrical switch contact member stamping apparatus as defined in claim 8, wherein: the inside rotation of rectangle frame (801) is installed three bull stick (812), and is three the lateral wall of bull stick (812) is all fixed mounting has a plurality of rubber strip (813), the lateral wall fixed mounting of rectangle frame (801) has second motor (805), the output and the bull stick (812) fixed connection of second motor (805), the middle part transversal diamond-shaped structure that personally submits of rubber strip (813), the one side cross section that bull stick (812) was kept away from to rubber strip (813) is the arc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310681955.7A CN116393580B (en) | 2023-06-09 | 2023-06-09 | Stamping device for contact parts of electric switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310681955.7A CN116393580B (en) | 2023-06-09 | 2023-06-09 | Stamping device for contact parts of electric switch |
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| CN116393580A true CN116393580A (en) | 2023-07-07 |
| CN116393580B CN116393580B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5519914A (en) * | 1995-08-01 | 1996-05-28 | Egan; Ronald G. | Contact type automatic roll cleaner |
| KR101917987B1 (en) * | 2018-07-20 | 2018-11-13 | 한석현 | Method of manufacturing ferritic stainless steel with good surface quality |
| CN208178279U (en) * | 2018-04-25 | 2018-12-04 | 湖南协成管业科技有限公司 | A kind of steel band broken belt attachment device for steel band bellows production line automatic double surface gluer |
| CN109014320A (en) * | 2018-09-21 | 2018-12-18 | 河南师范大学 | A kind of electronic component control panel perforating device |
| CN211041751U (en) * | 2019-11-22 | 2020-07-17 | 合肥新万成环保科技有限公司 | A drying device for producing defoaming agent |
| CN112325562A (en) * | 2020-11-11 | 2021-02-05 | 江西中核铜业有限公司 | Energy-saving copper pole production is with cooling arrangement |
| CN216996883U (en) * | 2022-02-21 | 2022-07-19 | 泰州东特钢铁科技有限公司 | A rolling machine for steel material processing |
| CN115318941A (en) * | 2022-07-26 | 2022-11-11 | 成都鑫林田金属制品有限公司 | Steel construction connecting plate stamping system |
-
2023
- 2023-06-09 CN CN202310681955.7A patent/CN116393580B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5519914A (en) * | 1995-08-01 | 1996-05-28 | Egan; Ronald G. | Contact type automatic roll cleaner |
| CN208178279U (en) * | 2018-04-25 | 2018-12-04 | 湖南协成管业科技有限公司 | A kind of steel band broken belt attachment device for steel band bellows production line automatic double surface gluer |
| KR101917987B1 (en) * | 2018-07-20 | 2018-11-13 | 한석현 | Method of manufacturing ferritic stainless steel with good surface quality |
| CN109014320A (en) * | 2018-09-21 | 2018-12-18 | 河南师范大学 | A kind of electronic component control panel perforating device |
| CN211041751U (en) * | 2019-11-22 | 2020-07-17 | 合肥新万成环保科技有限公司 | A drying device for producing defoaming agent |
| CN112325562A (en) * | 2020-11-11 | 2021-02-05 | 江西中核铜业有限公司 | Energy-saving copper pole production is with cooling arrangement |
| CN216996883U (en) * | 2022-02-21 | 2022-07-19 | 泰州东特钢铁科技有限公司 | A rolling machine for steel material processing |
| CN115318941A (en) * | 2022-07-26 | 2022-11-11 | 成都鑫林田金属制品有限公司 | Steel construction connecting plate stamping system |
Non-Patent Citations (1)
| Title |
|---|
| 王哲;胡水平;江海涛;李成;曾明;: "AZ31镁合金手机外壳冲压模具的设计与成形工艺", 机械工程材料, no. 05, pages 54 - 57 * |
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| CN116393580B (en) | 2023-08-15 |
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