CN111659800A - Multi-section control mold for numerical control - Google Patents
Multi-section control mold for numerical control Download PDFInfo
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- CN111659800A CN111659800A CN202010388247.0A CN202010388247A CN111659800A CN 111659800 A CN111659800 A CN 111659800A CN 202010388247 A CN202010388247 A CN 202010388247A CN 111659800 A CN111659800 A CN 111659800A
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- guide
- plate
- side wall
- rubber bag
- conical rubber
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention belongs to the technical field of mold processing and manufacturing, and particularly relates to a multi-section control mold for numerical control; comprises an upper die holder, a lower die holder, a material guide plate, a material bearing plate, a base and a guide unit; the guide unit comprises a guide pillar, a guide sleeve and a fixing block; the guide post and the guide sleeve are righted in a sliding fit manner through the cooperation of the upper die base, the lower die base, the material guide plate, the material bearing plate, the base and the guide unit; in-process that the upper die base descends, drive the guide pillar and slide in the guide pin bushing, the guide pillar produces the extrusion to the toper rubber bag through the bottom plate at the slip in-process, its inside gas passes through the trachea transmission to the piston cylinder after the toper rubber bag pressurized, thereby make the piston cylinder be the extension motion, the piston cylinder is ejecting with the fixture block when the extension to with the contact of guide pillar lateral wall, thereby realize the effect of rightting to the guide pillar, reduce the gradient of guide pillar in the guide pin bushing, thereby reduce the slope wearing and tearing between guide pillar and the guide pin bushing, improve the whole result of use of mould.
Description
Technical Field
The invention belongs to the technical field of mold processing and manufacturing, and particularly relates to a multi-section control mold for numerical control.
Background
The mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production; in short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts; the processing of the shape of an article is realized mainly by changing the physical state of a formed material; plain has the title of "industrial mother"; means for forming the blank into a part of a particular shape and size under the action of an external force; widely used in blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like; the die has a specific contour or an inner cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge; the blank can obtain a corresponding three-dimensional shape by applying the shape of the inner cavity; the die generally comprises a movable die and a fixed die (or a male die and a female die), which can be separated and combined; taking out the workpiece when the workpiece is separated, and injecting the blank into a mold cavity for forming when the workpiece is folded; the die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level; the multi-section control die consists of a plurality of stations, the stations are related in sequence to finish different processing, and a series of different punching processing is finished in one stroke of the punch.
Some technical solutions related to multi-section control molds also appear in the prior art, for example, a chinese patent with application number 2016800458341 discloses a multi-section composite mold for molding a multi-section composite mold of a large composite structure; the mold includes at least two mold sections prepared from a quasi-isotropic sheet molding compound; joining the two mold segments together at the mold surfaces with a scarf plug; the scarf plug is composed of a specifically oriented layer of reinforced quasi-isotropic sheet molding compound; scarf plugs are made from the same type of quasi-isotropic sheet molding compound that the mold segments are made from; but the technical scheme does not solve the friction condition between the guide post and the guide sleeve; in the process of opening and closing the die, because a single die executes a plurality of process steps simultaneously, the load sizes on two sides of the die are not uniformly distributed, so that the guide pillar and the guide sleeve are inclined, and the guide pillar and the guide sleeve are not uniformly abraded.
Disclosure of Invention
In order to make up for the defects of the prior art, the problem that the load on two sides of a die is unevenly distributed due to the fact that a single die simultaneously executes a plurality of process steps in the opening and closing process of the die, so that the guide pillar and the guide sleeve are inclined, and uneven abrasion is caused between the guide pillar and the guide sleeve is solved; the invention provides a multi-section control die for numerical control.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a multi-section control die for numerical control, which comprises an upper die base, a lower die base, a material guide plate, a material bearing plate, a base and a guide unit, wherein the upper die base is provided with a guide groove; the base is arranged on the lower die base; the material bearing plate is arranged on the base through a spring; the upper die holder is arranged on the lower die holder through the guide unit; the material guide plate is arranged on the side wall of the bottom end of the upper die base and corresponds to the material bearing plate in position; the guide unit comprises a guide pillar, a guide sleeve and a fixing block; the fixed block is arranged on the lower die base, and a cavity is formed in the side wall of the fixed block; a piston cylinder is arranged in the cavity through a bracket; the output end of the piston cylinder penetrates into the guide sleeve, and a fixture block is arranged at the output end of the piston cylinder; the guide sleeve is arranged on the fixed block, a conical rubber bag is arranged at the bottom end of the guide sleeve, and the conical rubber bag is communicated with the piston cylinder through an air pipe; the top end of the guide pillar is arranged on the side wall of the bottom end of the upper die base, the bottom end of the guide pillar is connected in the guide sleeve in a sliding mode, and the bottom end of the guide pillar is provided with a base plate through a spring; the guide post and the guide sleeve are righted in a sliding fit manner through the cooperation of the upper die base, the lower die base, the material guide plate, the material bearing plate, the base and the guide unit; when the punching machine works, when the blank needs to be punched, the blank is arranged on the material bearing plate, the upper die base is pressed by the pressing machine, and the upper die base slides downwards under the action of the guide pillar and the guide sleeve after being pressed, so that the material guide plate is driven to descend until the material guide plate is contacted with the material bearing plate, and then the punching process is completed; in-process that the upper die base descends, drive the guide pillar and slide in the guide pin bushing, the guide pillar produces the extrusion to the toper rubber bag through the bottom plate at the slip in-process, its inside gas passes through the trachea transmission to the piston cylinder after the toper rubber bag pressurized, thereby make the piston cylinder be the extension motion, the piston cylinder is ejecting with the fixture block when the extension to with the contact of guide pillar lateral wall, thereby realize the effect of rightting to the guide pillar, reduce the gradient of guide pillar in the guide pin bushing, thereby reduce the slope wearing and tearing between guide pillar and the guide pin bushing, improve the whole result of use of mould.
Preferably, the side wall of the guide sleeve is provided with a sliding chute; a baffle is arranged on the side wall of the top end of the sliding chute, and a lantern ring is connected in the sliding chute in a sliding manner; the lantern ring is connected with the baffle through a spring, so that the lantern ring is positioned at the bottom end of the sliding chute when external force is not applied, and the bottom end of the lantern ring is always in contact with the side wall of the fixture block; the guide post is further righted through the matching of the guide sleeve, the baffle and the sleeve ring, so that the friction area between the guide post and the guide sleeve is reduced; the during operation, at the in-process that carries out stamping process to the blank, the guide pillar can slide in the guide pin bushing, the guide pillar produces the extrusion to the toper rubber bag through the bottom plate at the slip in-process, its inside gas passes through the trachea transmission to the piston cylinder after the toper rubber bag pressurized, thereby make the piston cylinder be the extension motion, the piston cylinder is ejecting with the fixture block when the extension, the fixture block produces the jacking force to the lantern ring when being ejected, thereby make lantern ring atress back in the spout upwards slide, the lantern ring is at slip in-process and guide pillar contact, thereby the lifting surface area of guide pillar has been prolonged, thereby the partial moment that the guide pillar received has been increased, the reinforcing is to the effect of righting of guide pillar.
Preferably, a groove is formed in the side wall, close to the guide sleeve, of the lantern ring, and a sponge layer is arranged on the inner side wall of the lantern ring; the outer side wall of the guide sleeve is sleeved with a material storage ring, and the guide sleeve is provided with a top plate on the side wall close to the groove; the storage ring is connected with the sponge layer through a hose, the hose is positioned between the top plate and the side wall of the groove, and lubricating oil is filled in the storage ring; the guide pillar and the lantern ring are lubricated by matching the lantern ring, the sponge layer, the material storage ring and the top plate; during operation, when the guide pillar has not produced the extrusion to the toper rubber bag yet, the lantern ring contacts with the spout bottom under the spring force effect of spring, the hose can receive the extrusion between roof and the recess lateral wall this moment, thereby be in airtight state, and when the mould carries out the punching press in-process, the guide pillar slides in the guide pin bushing, relative slip takes place between recess and the roof this moment, make the distance between recess lateral wall and the roof increase, then roof and recess lateral wall no longer produce the extrusion to the hose this moment, make the sponge layer pass through hose and storage ring intercommunication, then lubricating oil passes through the hose and flows behind the sponge layer, act on between guide pillar and guide pin bushing, play lubricated effect, thereby reduce the frictional force between guide pillar and the guide pin bushing, further reduce the loss between guide pillar and the guide pin bushing.
Preferably, a clamping unit is arranged in the conical rubber bag; the clamping unit comprises a first plate, a second plate and a connecting rod; the first plate is arranged on the inner side wall of the top end of the conical rubber bag; the second plate is symmetrically arranged on the inner side wall of the conical rubber bag, so that the second plate is perpendicular to the first plate; one end of the connecting rod is hinged to the side wall of the first plate, and the other end of the connecting rod is hinged to the side wall of the second plate; the balance of the guide pillar is prevented from being influenced after the conical rubber bag deforms through the matching of the first plate, the second plate and the connecting rod; when the die is in work, the guide post is driven to slide in the guide sleeve in the descending process of the upper die base, the guide post extrudes the conical rubber bag through the bottom plate in the sliding process, the pressure is transmitted to the first plate after the conical rubber bag is pressed, the first plate is pressed at the same time and approaches to the second plate along with the elastic deformation of the conical rubber bag, the first plate extrudes the connecting rod in the motion process, the connecting rod rotates after being pressed, the second plate is extruded, the second plates slide in the direction away from each other, the side wall of the conical rubber bag is pushed to be uniformly elastically deformed, the conical rubber bag is effectively prevented from deforming in an irregular shape when the guide post extrudes the conical rubber bag, and the stress balance of the bottom end of the guide post is further ensured; simultaneously, can cushion the pressurized deformation of toper rubber bag in the motion process of a board and No. two boards, reduce toper rubber bag and take place wearing and tearing after the striking to the life of extension toper rubber bag.
Preferably, the top end of the second plate is provided with a spherical clamping cap; the damage of the second plate to the conical rubber bag is reduced through the matching of the second plate and the spherical clamping cap; when the device works, in the process that the upper die base descends, the guide post is driven to slide in the guide sleeve, the guide post extrudes the conical rubber bag through the bottom plate in the sliding process, the conical rubber bag is pressed and then transmits the pressure to the first plate, the first plate is pressed at the same time and approaches to the second plate along with the elastic deformation of the conical rubber bag, the first plate extrudes the connecting rod in the moving process, the connecting rod rotates after being pressed, so that the second plate is extruded, the second plate slides towards the direction away from each other, the side wall of the conical rubber bag is pushed to generate uniform elastic deformation, when the second plate pushes the conical rubber bag to generate elastic deformation, the top end of the second plate can damage the conical rubber bag, therefore, the spherical clamping cap is arranged at the top end of the second plate, the jacking force of the second plate on the conical rubber bag is reduced, and the contact area between the second plate and the conical rubber bag is increased, the abrasion to the conical rubber bag is reduced, so that the service life of the conical rubber bag is further prolonged, and the part replacement cost of the die in the use process is reduced.
Preferably, the inner side wall of the lantern ring is conical, so that the size of the inner side wall of the lantern ring close to the end part of the conical rubber bag is smaller, and the size of the inner side wall of the lantern ring far away from the end part of the conical rubber bag is larger, and the fixing effect on the guide pillar is enhanced; the during operation, at the in-process that carries out stamping process to the blank, the guide pillar can slide in the guide pin bushing, the guide pillar produces the extrusion to the toper rubber bag through the bottom plate at the slip in-process, its inside gas passes through the trachea transmission to the piston cylinder after the toper rubber bag is compressed, thereby make the piston cylinder be the extension motion, the piston cylinder is ejecting with the fixture block when extending, produce the push-up force to the lantern ring when the fixture block is ejected, thereby make lantern ring atress back upwards slide in the spout, the lantern ring contacts with the guide pillar at the slip in-process, thereby the lifting surface area of guide pillar has been prolonged, again because the lantern ring inside wall is the toper, thereby when making to take place the slope between guide pillar and the guide pin bushing, the lantern ring can realize crescent to the power of guide pillar, thereby realized rectifying step by step to the guide pillar, when avoiding the angle of guide pillar slope great.
The invention has the following beneficial effects:
1. according to the multi-section control die for numerical control, the guide pillar and the guide sleeve are righted in a sliding fit mode through the cooperation of the upper die base, the lower die base, the guide plate, the material bearing plate, the base and the guide unit, the gradient of the guide pillar in the guide sleeve is reduced, so that the inclined abrasion between the guide pillar and the guide sleeve is reduced, and the overall using effect of the die is improved.
2. According to the multi-section control die for numerical control, the guide pillar is further straightened through the matching of the guide sleeve, the baffle and the sleeve ring, and the friction area between the guide pillar and the guide sleeve is reduced, so that the deflection torque borne by the guide pillar is increased, and the straightening effect on the guide pillar is enhanced; simultaneously, when taking place the slope between guide pillar and guide pin bushing, the lantern ring can realize crescent to the power of guide pillar to realized proofreading and correct step by step to the guide pillar, avoided when the angle of guide pillar slope is great, the lantern ring can lead to the fact wearing and tearing to the guide pillar lateral wall.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view between the guide post and the guide sleeve in the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
in the figure: the device comprises an upper die holder 1, a lower die holder 2, a material guide plate 3, a material bearing plate 4, a base 5, a guide unit 6, a guide pillar 61, a base plate 611, a guide sleeve 62, a sliding groove 621, a baffle 622, a material storage ring 623, a top plate 624, a fixing block 63, a cavity 631, a piston cylinder 632, a fixture block 633, a conical rubber bag 64, a lantern ring 65, a groove 651, a sponge layer 652, a clamping unit 66, a first plate 661, a second plate 662, a connecting rod 663 and a spherical clamping cap 664.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the multistage control mold for numerical control according to the present invention includes an upper mold base 1, a lower mold base 2, a material guide plate 3, a material receiving plate 4, a base 5, and a guide unit 6; the base 5 is arranged on the lower die base 2; the material bearing plate 4 is arranged on the base 5 through a spring; the upper die holder 1 is arranged on the lower die holder 2 through a guide unit 6; the material guide plate 3 is arranged on the side wall of the bottom end of the upper die base 1 and corresponds to the material bearing plate 4 in position; the guide unit 6 comprises a guide post 61, a guide sleeve 62 and a fixed block 63; the fixed block 63 is arranged on the lower die base 2, and a cavity 631 is formed in the side wall of the fixed block 63; a piston cylinder 632 is arranged in the cavity 631 through a bracket; the output end of the piston cylinder 632 penetrates into the guide sleeve 62, and a fixture block 633 is arranged at the output end of the piston cylinder 632; the guide sleeve 62 is arranged on the fixed block 63, the conical rubber bag 64 is arranged at the bottom end of the guide sleeve 62, and the conical rubber bag 64 is communicated with the piston cylinder 632 through an air pipe; the top end of the guide post 61 is arranged on the side wall of the bottom end of the upper die holder 1, the bottom end of the guide post 61 is connected in the guide sleeve 62 in a sliding manner, and the bottom end of the guide post 61 is provided with a backing plate 611 through a spring; the guide post 61 and the guide sleeve 62 are righted in a sliding fit manner through the cooperation of the upper die holder 1, the lower die holder 2, the material guide plate 3, the material bearing plate 4, the base 5 and the guide unit 6; when the stamping die works, when the blank needs to be stamped, the blank is arranged on the material bearing plate 4, the upper die holder 1 is pressed by the press machine, and the upper die holder 1 slides downwards under the action of the guide post 61 and the guide sleeve 62 after being pressed, so that the material guide plate 3 is driven to descend until the blank is contacted with the material bearing plate 4, and then the stamping process is completed; in the process that the upper die holder 1 descends, drive guide pillar 61 and slide in guide pin bushing 62, guide pillar 61 produces the extrusion to conical rubber bag 64 through the bottom plate at the slip in-process, its inside gas passes through the trachea transmission to the piston cylinder 632 after conical rubber bag 64 is compressed, thereby make the piston cylinder 632 do the extension motion, the piston cylinder 632 is ejecting with fixture block 633 to contacting with guide pillar 61 lateral wall when the extension, thereby realize the righting effect to guide pillar 61, reduce the inclination of guide pillar 61 in guide pin bushing 62, thereby reduce the inclined wear between guide pillar 61 and the guide pin bushing 62, improve the whole result of use of mould.
As an embodiment of the present invention, the side wall of the guide sleeve 62 is provided with a sliding groove 621; a baffle 622 is arranged on the side wall of the top end of the sliding groove 621, and a lantern ring 65 is connected in the sliding groove 621 in a sliding manner; the lantern ring 65 is connected with the baffle 622 through a spring, so that the lantern ring 65 is positioned at the bottom end of the sliding groove 621 when no external force is applied, and the bottom end of the lantern ring 65 is always in contact with the side wall of the fixture block 633; the guide post 61 is further righted through the matching of the guide sleeve 62, the baffle 622 and the sleeve ring 65, and the friction area between the guide post 61 and the guide sleeve 62 is reduced; the during operation, in the in-process of carrying out stamping process to the blank, guide pillar 61 can slide in guide pin bushing 62, guide pillar 61 produces the extrusion to toper rubber bag 64 through the bottom plate at the slip in-process, its inside gas passes through the trachea transmission to the piston cylinder 632 after toper rubber bag 64 is compressed, thereby make piston cylinder 632 to be the extension motion, piston cylinder 632 is ejecting with fixture block 633 when the extension, fixture block 633 produces the apical force to lantern ring 65 when being ejected, thereby make lantern ring 65 atress after upwards slide in spout 621, lantern ring 65 contacts with guide pillar 61 at the slip in-process, thereby the lifting surface area of guide pillar 61 has been prolonged, thereby the deflection moment that guide pillar 61 received has been increased, the reinforcing is to guide pillar 61's righting effect.
As an embodiment of the present invention, a groove 651 is formed on a side wall of the collar 65 close to the guide sleeve 62, and a sponge layer 652 is disposed on an inner side wall of the collar 65; the outer side wall of the guide sleeve 62 is sleeved with a material storage ring 623, and the guide sleeve 62 is provided with a top plate 624 on the side wall close to the groove 651; the storage ring 623 is connected with the sponge layer 652 through a hose, the hose is positioned between the top plate 624 and the side wall of the groove 651, and lubricating oil is filled in the storage ring 623; the sleeve ring 65, the sponge layer 652, the storage ring 623 and the top plate 624 are matched to realize a lubricating effect between the guide column 61 and the sleeve ring 65; when the die is in work, when the guide post 61 does not extrude the conical rubber bag 64, the sleeve ring 65 is in contact with the bottom end of the sliding groove 621 under the elastic force action of the spring, at the moment, the hose can be extruded between the side walls of the top plate 624 and the groove 651, so that the die is in a closed state, when the die is in a stamping process, the guide post 61 slides in the guide sleeve 62, at the moment, the groove 651 and the top plate 624 slide relatively, the distance between the side wall of the groove 651 and the top plate 624 is increased, at the moment, the top plate 624 and the side wall of the groove 651 do not extrude the hose any more, so that the sponge layer 652 is communicated with the storage ring 623 through the hose, lubricating oil flows to the sponge layer 652 through the hose, acts between the guide post 61 and the guide sleeve 62, a lubricating effect is achieved, the friction force between the guide post 61 and the guide sleeve 62 is reduced.
As an embodiment of the present invention, a clamping unit 66 is disposed in the conical rubber bag 64; the clamping unit 66 comprises a first plate 661, a second plate 662 and a connecting rod 663; the first plate 661 is arranged on the inner side wall of the top end of the conical rubber bag 64; the second plate 662 is symmetrically arranged on the inner side wall of the conical rubber bag 64, so that the second plate 662 is perpendicular to the first plate 661; one end of the connecting rod 663 is hinged to the side wall of the first plate 661, and the other end of the connecting rod 663 is hinged to the side wall of the second plate 662; the balance of the guide post 61 is prevented from being influenced after the conical rubber bag 64 is deformed by the matching of the first plate 661, the second plate 662 and the connecting rod 663; when the die is in work, in the process that the upper die holder 1 descends, the guide post 61 is driven to slide in the guide sleeve 62, the guide post 61 extrudes the conical rubber bag 64 through the bottom plate in the sliding process, the conical rubber bag 64 is pressed and then transmits the pressure to the first plate 661, the first plate 661 is simultaneously pressed and approaches to the second plate 662 along with the elastic deformation of the conical rubber bag 64, the first plate 661 extrudes the connecting rod 663 in the motion process, the connecting rod 663 rotates after being pressed, and then the second plate 662 is extruded, so that the second plate 662 slides in the direction away from each other, the side wall of the conical rubber bag 64 is pushed to generate uniform elastic deformation, the conical rubber bag 64 is effectively prevented from generating irregular deformation when the guide post 61 extrudes the conical rubber bag 64, and the stress balance of the bottom end of the guide post 61 is further ensured; meanwhile, the pressure deformation of the conical rubber bag 64 can be buffered in the movement process of the first plate 661 and the second plate 662, and the abrasion of the conical rubber bag 64 after being impacted is reduced, so that the service life of the conical rubber bag 64 is prolonged.
As an embodiment of the present invention, a spherical cap 664 is mounted on the top end of the second plate 662; the damage of the second plate 662 to the conical rubber bladder 64 is reduced through the matching of the second plate 662 and the spherical clamping cap 664; when the die is in work, in the process that the upper die holder 1 descends, the guide post 61 is driven to slide in the guide sleeve 62, the guide post 61 extrudes the conical rubber bag 64 through the bottom plate in the sliding process, the conical rubber bag 64 is pressurized and then transmits the pressure to the first plate 661, the first plate 661 is simultaneously pressurized and approaches to the second plate 662 along with the elastic deformation of the conical rubber bag 64, the first plate 661 extrudes the connecting rod 663 in the motion process, the connecting rod 663 rotates after being pressurized, so that the second plate 662 is extruded, the second plate 662 slides in the direction of being far away from each other, the side wall of the conical rubber bag 64 is pushed to generate uniform elastic deformation, when the second plate 662 pushes the conical rubber bag 64 to generate elastic deformation, the top end of the second plate 662 can damage the conical rubber bag 64, therefore, the spherical clamping cap 664 is installed at the top end of the second plate 662, the top force of the second plate 662 on the conical rubber bag 64 is reduced, the contact area between the second plate 662 and the conical rubber bag 64 is increased, and the abrasion to the conical rubber bag 64 is reduced, so that the service life of the conical rubber bag 64 is further prolonged, and the part replacement cost of the die in the use process is reduced.
As an embodiment of the present invention, the inner side wall of the collar 65 is tapered, so that the size of the inner side wall of the collar 65 close to the end of the tapered rubber bag 64 is smaller, and the size of the inner side wall of the collar 65 far from the end of the tapered rubber bag 64 is larger, thereby enhancing the fixing effect on the guide post 61; in the working process, in the process of stamping the blank, the guide post 61 can slide in the guide sleeve 62, the guide post 61 extrudes the conical rubber bag 64 through the bottom plate in the sliding process, the internal gas of the conical rubber bag 64 is transmitted into the piston cylinder 632 through the air pipe after being pressed, so that the piston cylinder 632 does extension motion, the piston cylinder 632 ejects the fixture block 633 when extending, the fixture block 633 ejects out and simultaneously generates jacking force on the lantern ring 65, so that the lantern ring 65 slides upwards in the chute 621 after being stressed, the lantern ring 65 is contacted with the guide post 61 in the sliding process, so that the stress area of the guide post 61 is prolonged, and the inner side wall 65 of the lantern ring is conical, so that when the guide post 61 and the guide sleeve 62 are inclined, the force of the lantern ring 65 on the guide post 61 can be gradually increased, so that the step-by-step correction on the guide post 61 is realized, and when the inclination angle of the guide post 61 is, the collar 65 can cause wear to the side walls of the guide post 61.
When the stamping die works, when the blank needs to be stamped, the blank is arranged on the material bearing plate 4, the upper die holder 1 is pressed by the press machine, and the upper die holder 1 slides downwards under the action of the guide post 61 and the guide sleeve 62 after being pressed, so that the material guide plate 3 is driven to descend until the blank is contacted with the material bearing plate 4, and then the stamping process is completed; in the process that the upper die holder 1 descends, the guide post 61 is driven to slide in the guide sleeve 62, the guide post 61 extrudes the conical rubber bag 64 through the bottom plate in the sliding process, the internal gas of the conical rubber bag 64 is transmitted into the piston cylinder 632 through the air pipe after being compressed, so that the piston cylinder 632 performs extension motion, the piston cylinder 632 ejects the fixture block 633 to be in contact with the side wall of the guide post 61 when extending, the guide post 61 is centered, the inclination of the guide post 61 in the guide sleeve 62 is reduced, the inclined abrasion between the guide post 61 and the guide sleeve 62 is reduced, and the integral using effect of the die is improved; in the process of stamping the blank, the guide post 61 can slide in the guide sleeve 62, the guide post 61 extrudes the conical rubber bag 64 through the bottom plate in the sliding process, the internal gas of the conical rubber bag 64 is transmitted into the piston cylinder 632 through the air pipe after being pressed, so that the piston cylinder 632 can do extension motion, the piston cylinder 632 can eject the fixture block 633 when extending, the fixture block 633 can eject and simultaneously generate ejecting force on the lantern ring 65, so that the lantern ring 65 can slide upwards in the sliding groove 621 after being stressed, the lantern ring 65 is in contact with the guide post 61 in the sliding process, the stress area of the guide post 61 is prolonged, the deflection moment borne by the guide post 61 is increased, and the centralizing effect on the guide post 61 is enhanced; when the guide post 61 does not extrude the conical rubber bag 64, the sleeve ring 65 is in contact with the bottom end of the sliding groove 621 under the elastic force of the spring, at the moment, the hose is extruded between the side wall of the top plate 624 and the side wall of the groove 651, so that the hose is in a closed state, when the die is in a stamping process, the guide post 61 slides in the guide sleeve 62, at the moment, the groove 651 and the top plate 624 slide relatively, so that the distance between the side wall of the groove 651 and the top plate 624 is increased, at the moment, the side wall of the top plate 624 and the groove 651 do not extrude the hose any more, so that the sponge layer 652 is communicated with the storage ring 623 through the hose, lubricating oil flows to the sponge layer 652 through the hose and then acts between the guide post 61 and the guide sleeve 62 to play a role of lubrication, so that the friction force between the guide post 61 and the guide sleeve 62; in the descending process of the upper die holder 1, the guide post 61 is driven to slide in the guide sleeve 62, the guide post 61 extrudes the conical rubber bag 64 through the bottom plate in the sliding process, the conical rubber bag 64 is pressed and then transmits the pressure to the first plate 661, the first plate 661 is simultaneously pressed and approaches to the second plate 662 along with the elastic deformation of the conical rubber bag 64, the first plate 661 extrudes the connecting rod 663 in the moving process, the connecting rod 663 rotates after being pressed, and therefore the second plate 662 is extruded and slides in the direction away from each other, so that the side wall of the conical rubber bag 64 is pushed to generate uniform elastic deformation, the conical rubber bag 64 is effectively prevented from generating irregular deformation when the guide post 61 extrudes the conical rubber bag 64, and the stress balance of the bottom end of the guide post 61 is further ensured; meanwhile, the pressure deformation of the conical rubber bag 64 can be buffered in the movement process of the first plate 661 and the second plate 662, so that the abrasion of the conical rubber bag 64 after being impacted is reduced, and the service life of the conical rubber bag 64 is prolonged; in the process that the upper die holder 1 descends, the guide post 61 is driven to slide in the guide sleeve 62, the guide post 61 extrudes the conical rubber bag 64 through the bottom plate in the sliding process, the conical rubber bag 64 is pressed and then transmits the pressure to the first plate 661, the first plate 661 is simultaneously pressed and approaches to the second plate 662 along with the elastic deformation of the conical rubber bag 64, the first plate 661 extrudes the connecting rod 663 in the moving process, the connecting rod 663 rotates after being pressed, and therefore the second plate 662 is extruded, the second plate 662 slides in the direction away from each other, so that the side wall of the conical rubber bag 64 is pushed to generate uniform elastic deformation, when the second plate 662 pushes the conical rubber bag 64 to generate elastic deformation, the top end of the second plate 662 can damage the conical rubber bag 64, therefore, the spherical clamping cap 664 is installed at the top end of the second plate 662, the jacking force of the second plate 662 on the conical rubber bag 64 is reduced, the contact area between the second plate 662 and the conical rubber bag 64 is increased, and the abrasion on the conical rubber bag 64 is reduced, so that the service life of the conical rubber bag 64 is further prolonged, and the part replacement cost of the die in the use process is reduced; in the process of stamping the blank, the guide post 61 can slide in the guide sleeve 62, the guide post 61 extrudes the conical rubber bag 64 through the bottom plate in the sliding process, the internal gas of the conical rubber bag 64 is transmitted into the piston cylinder 632 through the air pipe after being pressed, so that the piston cylinder 632 does extension motion, the piston cylinder 632 ejects the fixture block 633 when extending, the fixture block 633 ejects and simultaneously generates ejection force on the lantern ring 65, so that the lantern ring 65 slides upwards in the sliding groove 621 after being stressed, the lantern ring 65 is contacted with the guide post 61 in the sliding process, so that the stress area of the guide post 61 is prolonged, and the inner side wall of the lantern ring 65 is conical, so that when the guide post 61 and the guide sleeve 62 are inclined, the force of the lantern ring 65 on the guide post 61 can be gradually increased, so that the gradual correction on the guide post 61 is realized, and when the inclination angle of the guide post 61 is larger, the collar 65 can cause wear to the side walls of the guide post 61.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a multistage control mould for numerical control which characterized in that: comprises an upper die holder (1), a lower die holder (2), a material guide plate (3), a material bearing plate (4), a base (5) and a guide unit (6); the base (5) is arranged on the lower die base (2); the material bearing plate (4) is arranged on the base (5) through a spring; the upper die holder (1) is arranged on the lower die holder (2) through a guide unit (6); the material guide plate (3) is arranged on the side wall of the bottom end of the upper die base (1) and corresponds to the material bearing plate (4); the guide unit (6) comprises a guide post (61), a guide sleeve (62) and a fixed block (63); the fixed block (63) is arranged on the lower die base (2), and a cavity (631) is formed in the side wall of the fixed block (63); a piston cylinder (632) is arranged in the cavity (631) through a bracket; the output end of the piston cylinder (632) penetrates into the guide sleeve (62), and a fixture block (633) is installed at the output end of the piston cylinder (632); the guide sleeve (62) is arranged on the fixed block (63), the bottom end of the guide sleeve (62) is provided with a conical rubber bag (64), and the conical rubber bag (64) is communicated with the piston cylinder (632) through an air pipe; the top end of the guide post (61) is arranged on the side wall of the bottom end of the upper die holder (1), the bottom end of the guide post (61) is connected in the guide sleeve (62) in a sliding manner, and the bottom end of the guide post (61) is provided with a backing plate (611) through a spring; the guide post (61) and the guide sleeve (62) are righted in a sliding fit manner through the matching of the upper die base (1), the lower die base (2), the guide plate (3), the material bearing plate (4), the base (5) and the guide unit (6).
2. The multi-segment control mold for numerical control according to claim 1, characterized in that: the side wall of the guide sleeve (62) is provided with a sliding groove (621); a baffle plate (622) is arranged on the side wall of the top end of the sliding groove (621), and a lantern ring (65) is connected in the sliding groove (621) in a sliding manner; the lantern ring (65) is connected with the baffle (622) through a spring, so that the lantern ring (65) is located at the bottom end of the sliding groove (621) when external force is not applied, and the bottom end of the lantern ring (65) is always in contact with the side wall of the clamping block (633); the guide post (61) is further righted through the matching of the guide sleeve (62), the baffle (622) and the sleeve ring (65), and the friction area between the guide post (61) and the guide sleeve (62) is reduced.
3. The multi-segment control mold for numerical control according to claim 2, characterized in that: a groove (651) is formed in the side wall, close to the guide sleeve (62), of the lantern ring (65), and a sponge layer (652) is arranged on the inner side wall of the lantern ring (65); the outer side wall of the guide sleeve (62) is sleeved with a material storage ring (623), and the guide sleeve (62) is provided with a top plate (624) on the side wall close to the groove (651); the storage ring (623) is connected with the sponge layer (652) through a hose, the hose is positioned between the top plate (624) and the side wall of the groove (651), and lubricating oil is filled in the storage ring (623); the lubricating effect between the guide post (61) and the sleeve ring (65) is realized through the matching of the sleeve ring (65), the sponge layer (652), the storage ring (623) and the top plate (624).
4. The multi-segment control mold for numerical control according to claim 1, characterized in that: a clamping unit (66) is arranged in the conical rubber bag (64); the clamping unit (66) comprises a first plate (661), a second plate (662) and a connecting rod (663); the first plate (661) is arranged on the inner side wall of the top end of the conical rubber bag (64); the second plate (662) is symmetrically arranged on the inner side wall of the conical rubber bag (64) so that the second plate (662) is perpendicular to the first plate (661); one end of the connecting rod (663) is hinged to the side wall of the first plate (661), and the other end of the connecting rod is hinged to the side wall of the second plate (662); the balance of the guide post (61) is prevented from being influenced after the conical rubber bag (64) is deformed by the matching of the first plate (661), the second plate (662) and the connecting rod (663).
5. The multi-segment control mold for numerical control according to claim 4, characterized in that: a spherical clamping cap (664) is arranged at the top end of the second plate (662); the damage of the second plate (662) to the conical rubber bag (64) is reduced through the matching of the second plate (662) and the spherical clamping cap (664).
6. The multi-segment control mold for numerical control according to claim 3, characterized in that: the inner side wall of the lantern ring (65) is conical, so that the size of the inner side wall of the lantern ring (65) close to the end part of the conical rubber bag (64) is small, and the size of the inner side wall of the lantern ring (65) far away from the end part of the conical rubber bag (64) is large, and therefore the fixing effect on the guide pillar (61) is enhanced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388247.0A CN111659800A (en) | 2020-05-09 | 2020-05-09 | Multi-section control mold for numerical control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388247.0A CN111659800A (en) | 2020-05-09 | 2020-05-09 | Multi-section control mold for numerical control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111659800A true CN111659800A (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010388247.0A Withdrawn CN111659800A (en) | 2020-05-09 | 2020-05-09 | Multi-section control mold for numerical control |
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| Country | Link |
|---|---|
| CN (1) | CN111659800A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472723A (en) * | 2021-12-27 | 2022-05-13 | 钟华 | Hardware stamping device with positioning structure |
-
2020
- 2020-05-09 CN CN202010388247.0A patent/CN111659800A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472723A (en) * | 2021-12-27 | 2022-05-13 | 钟华 | Hardware stamping device with positioning structure |
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Application publication date: 20200915 |