CN118989150A - High-pressure forming punching tool for efficient fastener - Google Patents
High-pressure forming punching tool for efficient fastener Download PDFInfo
- Publication number
- CN118989150A CN118989150A CN202411423231.3A CN202411423231A CN118989150A CN 118989150 A CN118989150 A CN 118989150A CN 202411423231 A CN202411423231 A CN 202411423231A CN 118989150 A CN118989150 A CN 118989150A
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- CN
- China
- Prior art keywords
- fastener
- opening
- rod
- fastening piece
- sliding plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004080 punching Methods 0.000 title claims abstract description 31
- 238000001125 extrusion Methods 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims description 35
- 239000012535 impurity Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
- B08B1/34—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members rotating about an axis parallel to the surface
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a high-efficiency fastener high-pressure forming punch, which comprises a limiting die for limiting a fastener and a punch body for punching the fastener, wherein an inner supporting part for supporting is arranged in the limiting die, an outer supporting part for processing the fastener is further arranged on the outer side of the punch body, and the inner supporting part comprises: the first sliding plate is arranged in the limiting die in a sliding manner and is used for supporting the lower end of the fastening piece; and the second sliding plate is also arranged in the limiting die in a sliding way and used for laterally supporting the fastening piece, and the outer supporting part comprises. According to the invention, the fastener is placed from the head opening, the extrusion hole is matched with the head opening and the rod opening, the fastener is clamped under the action of the transverse movement of the second slide plate, the fastener is kept from falling off or moving out, after the processing is finished, the second slide plate is pushed, the fastener can be ejected upwards under the action of the lower end spring, and the fastener is conveniently taken out.
Description
Technical Field
The invention relates to the technical field of punching tools, in particular to a high-pressure forming punching tool for an efficient fastener.
Background
Fastener forming punches play a critical role in the fastener manufacturing process. These punches are typically used in conjunction with a die to plastically deform metallic or non-metallic materials in a die cavity by a stamping process to produce a satisfactory fastener product. In the process of machining the fastener, a blank is generally placed into a cold header and machined through the stamping action of a die, but the fastener formed by cold header is generally smaller in specification, and bar stock with the diameter of more than 8mm is generally not formed by cold header. Therefore, when the fastener with larger diameter is manufactured, other processing modes are needed, the head part and the rod part of the fastener are processed by adopting turning or milling, then the head part is subjected to heating treatment, the fastener is clamped on a die, finally, a punch is adopted to impact the fastener to generate an inner hexagon, the head part of the fastener in the heat treatment is softened or easy to deform, and is clamped in the die, so that the head part is convenient to limit, and meanwhile, the fastener is correspondingly deformed under the impact action of the punch;
However, the heat treated metal may have defects such as oxide scale and rust on the surface due to the change of the structure and performance, and the defects need to be treated before impact of the punching tool. In addition, as time goes on, defects such as oxide skin, rust spots and the like can be gradually increased, the treatment is carried out before the impact of the punching tool, the fastener needs to be punched immediately after the treatment, the defect extrusion of the oxide skin, the rust spots and the like is avoided in the punching process, and the uneven surface of the fastener after the punching forming is avoided.
Disclosure of Invention
The invention aims to provide a high-pressure forming punch for a high-efficiency fastener, which solves the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a high-efficient fastener high pressure shaping is towards utensil, is including being used for to the spacing mould of fastener and being used for towards the punching tool body of fastener punching press, the inside of spacing mould is equipped with the interior supporting part that is used for supporting, towards the outer supporting part that has still to fastener processing in the utensil body outside, interior supporting part includes:
the first sliding plate is arranged in the limiting die in a sliding manner and is used for supporting the lower end of the fastening piece;
and the second sliding plate is also arranged in the limiting die in a sliding way and used for laterally supporting the fastening piece, and the outer supporting part comprises:
the rod body assembly is connected with the punching tool body and deforms when the punching tool body moves;
The cleaning rod body is arranged at the end part of the rod body assembly and is used for processing the stamping surface of the fastener;
the lower end of the punching tool body is polygonal, the fastening piece is limited in the limiting die, and the punching tool body and the fastening piece are located on the same axis.
Further, the outer end of the limiting die is provided with a side opening I and a side opening II respectively, and the sliding plate I and the sliding plate II slide in the side opening I and the side opening II respectively;
The upper end of the limiting die is provided with a head opening extending downwards into the side opening II, the limiting die is internally provided with a rod opening extending from the side opening II into the side opening I, the head of the fastening piece is clamped into the head opening, the rod of the fastening piece is clamped into the rod opening, the lower end of the fastening piece is supported on the sliding plate I, and the upper end of the fastening piece is flush with the limiting die;
the head opening has a diameter greater than the stem opening.
Furthermore, the second sliding plate is provided with an extrusion hole in a penetrating mode from top to bottom, the diameter of the extrusion hole is the same as that of the rod part opening, and the head part of the fastener is supported at the upper end of the extrusion hole;
The second sliding plate is also provided with a through hole, and the through hole is positioned in the opposite direction of the movement of the extrusion hole and is used for falling off generated impurities;
The outer side of the limiting die is also fixed with a box body, a reset spring is fixed in the box body, and the outer end of the reset spring is fixed with a second sliding plate.
Further, the upper end of the first sliding plate is provided with a longitudinal opening with a spring inside, the longitudinal opening is supported at the lower end of the fastening piece, the diameter of the longitudinal opening is smaller than that of the fastening piece, and the spring inside is used for bouncing the fastening piece upwards;
The upper end of the first slide plate is also provided with a non-penetrating receiving cavity, and impurities are slid into the receiving cavity when the first slide plate moves.
Further, the upper end of the limiting die is also provided with a clamping groove which is transversely arranged and a rectangular thin opening which is positioned on the upper end surface, and the fastening piece is positioned in the rectangular thin opening;
The rod body assembly comprises a first support rod, a second support rod, a third support rod and a fourth support rod, wherein the first support rod is fixed on the outer side of the punching tool body, the second support rod is transversely arranged, one end of the second support rod is fixed with the first support rod, the third support rod is rotatably arranged between the second support rod, a torsion spring is arranged at the end part of the second support rod, the fourth support rod is fixedly arranged with the third support rod, the cleaning rod body is rotatably arranged between the fourth support rod, and the lower end of the cleaning rod body is extruded with the inner wall of the rectangular thin opening;
The second and fourth support rods are arranged at an acute angle, the second support rod is arranged transversely, a servo motor is arranged at the end part of the cleaning rod body, and the servo motor is slidably clamped in the clamping groove.
Further, the cleaning rod body comprises a rotating shaft and an outer edge on the outer wall of the rotating shaft, the outer edge and the rotating shaft are fixedly arranged, the outer edge is used for cleaning oxide skin, and the end part of the rotating shaft is fixed with the output end of the servo motor.
Further, the outer edge is arc-shaped, the end part of the rotation direction of the outer edge is provided with edge points, the outer side face of the outer edge is provided with edge edges, the edge edges are in rough arc-shaped arrangement, the axis of the edge edges coincides with the axis of the rotating shaft, and the edge points of the outer edge and the edge edges are spaced to extrude with the inner wall of the rectangular thin opening during rotation.
Furthermore, the rotating shaft and the outer edge on the outer wall of the rotating shaft are all made of steel.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the fastener is placed from the head opening, the extrusion hole is matched with the head opening and the rod opening, the fastener is clamped under the action of the transverse movement of the second slide plate, the fastener is kept from falling off or moving out, after the processing is finished, the second slide plate is pushed, the fastener can be ejected upwards under the action of the lower end spring, and the fastener is conveniently taken out;
The fastener can drop the oxide skin downwards, the second slide plate is pulled out, and then the second slide plate is pulled out outwards, so that the oxide skin positioned in the rod port moves into the receiving cavity to be collected, the influence on the subsequent processing is avoided, and the trace on the surface of the extruded limiting piece is avoided;
the rod body assembly is bent, the rod body is cleaned along the horizontal movement of the limiting die, and the upper end face of a limiting fastener in the limiting die is cleaned; firstly, the punch body moves downwards, the blade point is firstly contacted with the upper end of the head of the fastener, then the blade point is extruded and extruded, the blade point can lift the residual oxidized belt, the blade edge is polished, and the upper end of the head of the fastener is kept clean to the greatest extent; secondly, the punching tool body moves upwards and contacts with the upper end of the head part of the fastener from top to bottom, and even if the head part of the fastener is locally deformed, the movement of the cleaning rod body can be prevented from being influenced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial explosion structure of a limit die of the invention;
FIG. 3 is a schematic view of a semi-sectional structure of a limiting die of the invention;
FIG. 4 is a schematic view of the outer support structure of the present invention;
FIG. 5 is a schematic cross-sectional view of a cleaning rod according to the present invention;
Fig. 6 is a schematic view of another cross-sectional view of the cleaning rod motion of the present invention.
In the figure: 1. limiting the mould; 11. a side opening I; 12. a second side port; 13. a clamping groove; 14. a rectangular thin opening; 15. a head opening; 16. a stem port; 2. a punch body; 3. an inner support part; 31. a first sliding plate; 311. a receiving cavity; 312. a longitudinal opening; 32. a second slide plate; 321. extruding the hole; 322. a through hole; 323. a case; 324. a return spring; 4. an outer support portion; 41. a first supporting rod; 42. a second supporting rod; 43. a third supporting rod; 44. a strut IV; 45. a servo motor; 46. cleaning a rod body; 461. a rotating shaft; 462. an outer edge; 463. a blade point; 464. and a blade edge.
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. 1-6, the present invention provides the following technical solutions: the utility model provides a high-efficient fastener high pressure shaping is towards utensil, is including being used for to the spacing mould 1 of fastener and being used for towards the punching tool body 2 of fastener punching press, the inside of spacing mould 1 is equipped with the interior supporting part 3 that is used for supporting, towards the outside of the tool body 2 still has the outer supporting part 4 to fastener processing, interior supporting part 3 includes:
the first slide plate 31 is arranged in the limit die 1 in a sliding manner and is used for supporting the lower end of the fastener;
slide two 32 also slide and set up in spacing mould 1 for support to fastener side direction, outer supporting part 4 includes:
the rod body assembly is connected with the punching tool body 2 and generates deformation when the punching tool body 2 moves;
The cleaning rod body 46 is arranged at the end part of the rod body assembly and is used for processing the stamping surface of the fastener;
The lower end of the punching tool body 2 is arranged in a polygonal shape, the fastening piece is limited in the limiting die 1, and the punching tool body 2 and the fastening piece are located on the same axis.
As shown in fig. 2, the outer end of the limit die 1 is respectively provided with a first side opening 11 and a second side opening 12, and a first slide plate 31 and a second slide plate 32 respectively slide in the first side opening 11 and the second side opening 12;
The upper end of the limiting die 1 is provided with a head opening 15 which extends downwards into the side opening II 12, the limiting die 1 is internally provided with a rod opening 16 which extends from the side opening II 12 into the side opening I11, the head of the fastening piece is clamped into the head opening 15, the rod of the fastening piece is clamped into the rod opening 16, the lower end of the fastening piece is supported on the first slide plate 31, and the upper end of the fastening piece is flush with the limiting die 1;
The head opening 15 and the rod opening 16 are used for limiting the fastener, so that when the limit is limited from top to bottom, the whole body is in a surrounded state, and even if the fastener is extruded downwards, the whole body is supported, and movement or deformation is avoided;
The head opening 15 has a diameter greater than the diameter of the shank opening 16 so that the position of the fastener is maintained while the head opening 15 serves to restrain the head of the fastener and the shank opening 16 serves to restrain the shank of the fastener.
The second slide plate 32 is provided with an extrusion hole 321 in a penetrating mode from top to bottom, the diameter of the extrusion hole 321 is the same as that of the rod part opening 16, the head part of the fastener is supported at the upper end of the extrusion hole 321, the lower end face of the head part of the fastener is supported, the periphery and the lower end of the head part of the fastener after heat treatment are limited, the fastener is kept from deforming, the fastener is deformed upwards even if deformed, the limited fastener is an inner hexagon bolt, when the head part of the inner hexagon bolt is stamped by the stamping tool body 2, only the deformation is upwards generated, the lower end of the head part of the inner hexagon bolt and the whole body are extruded under the action of pressure, but the deformation is not generated, and the upper end of the inner hexagon bolt generates a cavity opening after extrusion;
The second slide plate 32 is also provided with a through hole 322, the through hole 322 is positioned in the opposite direction of the movement of the extrusion hole 321 and is used for falling off generated impurities, and impurities positioned in the head opening 15 move out of the through hole 322 in the process of transversely moving the second slide plate 32;
The box 323 is also fixed on the outer side of the limiting die 1, the reset spring 324 is fixed in the box 323, the outer end of the reset spring 324 is fixed with the second sliding plate 32, after the fastening piece is installed, the fastening piece can be transversely pushed outwards under the action of the reset spring 324, but the fastening piece is limited by the head opening 15 and the rod opening 16 and cannot deform when pushed by the second sliding plate 32.
The upper end of the first slide plate 31 is provided with a longitudinal opening 312 with a spring inside, the longitudinal opening 312 is supported at the lower end of the fastener, the diameter of the longitudinal opening 312 is smaller than that of the fastener, the inside spring is used for bouncing the fastener upwards, under the action of the return spring 324, the fastener tends to transversely extrude, the position of the fastener is kept motionless, even if the lower end is provided with the spring for pushing upwards or keeping the position of the fastener motionless, the second slide plate 32 is pushed, after the force of the return spring 324 is resisted, the spring at the lower end can push the fastener upwards, when the punch body 2 impacts, even if the fastener is in an upwards pushed state, the punch body 2 moves downwards, the spring at the lower end can be compressed, and the fastener is limited in the limiting die 1;
the upper end of the first slide plate 31 is also provided with a receiving cavity 311 which does not penetrate through, when the first slide plate 31 moves, impurities are slid into the receiving cavity 311, and the first slide plate 31 is moved transversely, so that the impurities in the rod part opening 16 can move to the receiving cavity 311 for cleaning.
The upper end of the limit die 1 is also provided with a clamping groove 13 and a rectangular thin opening 14 which are transversely arranged, the fastening piece is positioned in the rectangular thin opening 14, so that the upper end of the fastening piece is slightly higher than the inner wall of the rectangular thin opening 14, and when the cleaning rod body 46 transversely moves, the fastening piece moves along the rectangular thin opening 14, moves to the upper end of the fastening piece when contacting the fastening piece, is separated from the inner wall of the rectangular thin opening 14, and is extruded with the upper end of the fastening piece, so that oxide skin is scraped off;
The rod body assembly comprises a first rod 41, two second rods 42, a third rod 43 and two fourth rods 44, wherein the first rod 41 is fixed on the outer side of the punching tool body 2, the second rods 42 are transversely arranged, one end of the second rod is fixed with the first rod 41, the third rod 43 is rotatably arranged between the second rods 42, torsion springs are arranged at the ends of the second rod and the third rod, the fourth rods 44 and the third rods 43 are fixedly arranged, the cleaning rod body 46 is rotatably arranged between the fourth rods 44, and the lower end of the cleaning rod body 46 is extruded with the inner wall of the rectangular thin opening 14;
it should be noted that, the punch body 2 is pressed downwards, the fourth supporting rod 44 can be inclined and changed, and then can be reset under the action of the torsion spring, and the rest of the first supporting rod 41, the second supporting rod 42 and the third supporting rod 43 are all used as supporting functions, so that the cleaning rod body 46 can be ensured to move transversely and reciprocate;
The second and fourth support rods 42 and 44 are arranged at an acute angle, the fourth support rod 44 is bent, the second support rod 42 is bent along the direction of the acute angle to realize movement, the second support rod 42 is arranged transversely, a servo motor 45 is arranged at the end part of the cleaning rod body 46, the servo motor 45 is slidably clamped in the clamping groove 13, and the servo motor 45 is also stressed to move transversely in the movement process of the fourth support rod 44, so that the cleaning rod body 46 can keep rotating when moving.
As shown in fig. 5 and 6, the cleaning rod 46 includes a rotating shaft 461 and an outer blade 462 on the outer wall thereof, the outer blade 462 is fixedly arranged with the rotating shaft 461, the outer blade 462 is used for cleaning the oxide scale, and the end of the rotating shaft 461 is fixed with the output end of the servo motor 45.
The outer edge 462 is arc-shaped, the end of the rotation direction of the outer edge 462 is provided with a cutting point 463, the outer side surface of the outer edge 462 is provided with a cutting edge 464, the cutting edge 464 is provided with a rough arc shape, the axis of the cutting edge 464 coincides with that of the rotating shaft 461, the cutting point 463 and the cutting edge 464 of the outer edge 462 are spaced from the inner wall of the rectangular thin opening 14 in the rotation process, the cutting point 463 and the cutting edge 464 rotate to realize the stripping of an oxide layer and the polishing of the upper end of a fastener, and the upper end surface of the fastener is cleaned to the greatest extent.
The outer edge 462 on the rotary shaft 461 and the outer wall thereof are all made of steel, keep rigidity, clean the upper end of the fastener and avoid deformation.
The working principle of the invention is as follows: through placing the fastener in the head opening 15, and make slide one 31 install in side opening one 11, simultaneously extrude slide two 32 outer ends, be compression state with return spring 324, and make extrusion hole 321 and head opening 15 and pole portion mouth 16 cooperation, be in same axis, after placing the fastener, be in spacing state between extrusion hole 321 and head opening 15 and the pole portion mouth 16, be equivalent to the fastener by slide two 32 lateral movement's effect centre gripping, keep the fastener can not drop or move out, simultaneously the inside spring of longitudinal port 312 of lower extreme is extruded by the pole portion of fastener, the upper end of fastener flushes with spacing mould 1's upper end, reach spacing effect, afterwards, push slide two 32, make slide two 32 exert no pressure to the fastener, namely the outside of fastener is not receive the effect of external force, make the fastener can upwards pop out under the effect of lower extreme spring, be convenient for take out the fastener. When the fastening piece is limited in the limiting die 1, the lower end of the head of the fastening piece is limited by the second slide plate 32, the outer side of the head of the fastening piece is limited by the head opening 15, the rod part is limited by the extrusion hole 321 and the rod part opening 16, the cup slide plate 31 at the lower end of the rod part is supported, the upper end of the head of the fastening piece is limited, and the other parts are limited, so that the deformation of the fastening piece can be avoided, and the shape can be maintained to the greatest extent;
In addition, the fastener is heat treated before punching, so that the oxide skin falls downwards, when falling onto the first slide plate 31 and the second slide plate 32, the second slide plate 32 is pulled out, the oxide skin is limited in the head opening 15, then falls downwards from the through opening 322 and falls onto the first slide plate 31, then the first slide plate 31 is pulled outwards, the oxide skin positioned in the rod opening 16 moves into the receiving cavity 311 to be collected, the subsequent processing is prevented from being influenced, the trace on the surface of the limiting piece which is extruded subsequently is avoided, and the fact that the spring in the longitudinal opening 312 is sprung upwards when the first slide plate 31 is pulled out is required to be extruded downwards into the longitudinal opening 312, the longitudinal opening 312 is blocked by the limiting die 1, and the movement of the first slide plate 31 is prevented from being influenced is required.
When the limiting piece is installed on the limiting die 1, the punch body 2 moves downwards under the action of hydraulic pressure, and when the punch is impacted downwards, the upper end face of the head of the limiting piece is extruded to form marks, so that the processing of the limiting piece is realized. It should be noted that, in the downward movement process of the punch body 2, the rod body assembly is bent, and the cleaning rod body 46 at the lower end of the rod body assembly moves horizontally along the limiting die 1, so that the upper end surface of the fastener limited in the limiting die 1 is cleaned, wherein the cleaning rod body 46 is driven to rotate by the servo motor 45 when moving, so that the cleaning rod body 46 rotates, and meanwhile, in the upward and downward movement process of the punch body 2, the cleaning rod body 46 moves in two directions in a reciprocating manner;
Wherein the punch body 2 moves downwards, the rotating shaft 461 in the cleaning rod body 46 rotates, the outer edge 462 at the outer side of the cleaning rod body rotates anticlockwise, the edge point 463 contacts with the upper end of the head of the fastener, then the edge 464 is extruded and extruded, the edge point 463 can lift the residual oxidized belt, the edge 464 is polished, and the upper end of the head of the fastener is kept clean to the greatest extent;
in addition, the punch body 2 moves upwards, the rotating shaft 461 in the cleaning rod body 46 rotates, the outer edge 462 on the outer side of the rotating shaft rotates anticlockwise, and the rotating shaft rotates anticlockwise and contacts with the upper end of the head of the fastener from top to bottom, so that even if the head of the fastener is locally deformed, the movement of the cleaning rod body 46 can be prevented from being influenced.
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.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a high-efficient fastener high pressure shaping dashes utensil, is including being used for spacing mould (1) to the fastener and being used for punching press to fastener dashing utensil body (2), its characterized in that: the inside of spacing mould (1) is inside to be equipped with and is used for supporting interior supporting part (3), dashing utensil body (2) outside still has outer supporting part (4) to fastener processing, interior supporting part (3) include:
The first sliding plate (31) is arranged in the limiting die (1) in a sliding manner and is used for supporting the lower end of the fastener;
slide two (32), also slide and set up in spacing mould (1) for support to fastener side direction, outer supporting part (4) include:
the rod body assembly is connected with the punching tool body (2) and generates deformation when the punching tool body (2) moves;
The cleaning rod body (46) is arranged at the end part of the rod body assembly and is used for processing the stamping surface of the fastener;
The lower end of the punching tool body (2) is arranged in a polygonal shape, the fastening piece is limited in the limiting die (1), and the punching tool body (2) and the fastening piece are located on the same axis.
2. The high-efficiency fastener high-pressure forming punch as claimed in claim 1, wherein: the outer end of the limiting die (1) is provided with a first side opening (11) and a second side opening (12) respectively, and the first sliding plate (31) and the second sliding plate (32) slide in the first side opening (11) and the second side opening (12) respectively;
the upper end of the limiting die (1) is provided with a head opening (15) extending downwards into the side opening II (12), the limiting die (1) is internally provided with a rod opening (16) extending from the side opening II (12) into the side opening I (11), the head of the fastener is clamped into the head opening (15), the rod of the fastener is clamped into the rod opening (16), the lower end of the fastener is supported on the sliding plate I (31), and the upper end of the fastener is flush with the limiting die (1);
the diameter of the head opening (15) is larger than the diameter of the rod opening (16).
3. The high-efficiency fastener high-pressure forming punch as claimed in claim 2, wherein: the second sliding plate (32) is provided with a squeezing hole (321) in a penetrating mode from top to bottom, the squeezing hole (321) and the rod part opening (16) are the same in diameter, and the head part of the fastener is supported at the upper end of the squeezing hole (321);
A through hole (322) is formed in the second sliding plate (32), and the through hole (322) is positioned in the opposite direction of the movement of the extrusion hole (321) and is used for removing generated impurities;
The outer side of the limiting die (1) is also fixedly provided with a box body (323), a return spring (324) is fixed in the box body (323), and the outer end of the return spring (324) is fixed with a second sliding plate (32).
4. The high-efficiency fastener high-pressure forming punch as claimed in claim 2, wherein: the upper end of the first sliding plate (31) is provided with a longitudinal opening (312) with a spring inside, the longitudinal opening (312) is supported at the lower end of the fastening piece, the diameter of the longitudinal opening (312) is smaller than that of the fastening piece, and the spring inside is used for bouncing the fastening piece upwards;
The upper end of the first slide plate (31) is also provided with a non-penetrating receiving cavity (311), and impurities are slid into the receiving cavity (311) when the first slide plate (31) moves.
5. The high-efficiency fastener high-pressure forming punch as claimed in claim 1, wherein: the upper end of the limiting die (1) is also provided with a clamping groove (13) which is transversely arranged and a rectangular thin opening (14) which is positioned on the upper end surface, and a fastener is positioned in the rectangular thin opening (14);
The rod body assembly comprises a first support rod (41), two second support rods (42), a third support rod (43) and a fourth support rod (44), wherein the first support rod (41) is fixed on the outer side of the punching tool body (2), the second support rods (42) are transversely arranged, one end of each second support rod is fixed with the first support rod (41), the third support rod (43) is rotatably arranged between the second support rods (42), torsion springs are arranged at the ends of the third support rod and the third support rod, the fourth support rod (44) and the third support rod (43) are fixedly arranged, the cleaning rod body (46) is rotatably arranged between the fourth support rods (44), and the lower end of the cleaning rod body (46) is extruded with the inner wall of the rectangular thin opening (14);
The cleaning rod is characterized in that an acute angle is formed between the second supporting rod (42) and the fourth supporting rod (44), the second supporting rod (42) is transversely arranged, a servo motor (45) is arranged at the end part of the cleaning rod body (46), and the servo motor (45) is slidably clamped in the clamping groove (13).
6. The high-efficiency fastener high-pressure forming punch as claimed in claim 5, wherein: the cleaning rod body (46) comprises a rotating shaft (461) and an outer blade (462) on the outer wall of the rotating shaft, the outer blade (462) and the rotating shaft (461) are fixedly arranged, the outer blade (462) is used for cleaning oxide scales, and the end part of the rotating shaft (461) is fixed with the output end of the servo motor (45).
7. The high-efficiency fastener high-pressure forming punch as claimed in claim 6, wherein: the outer blade (462) is arc-shaped, the end part of the rotation direction of the outer blade is provided with a blade point (463), the outer side surface of the outer blade (462) is provided with a blade edge (464), the blade edge (464) is in rough arc-shaped, the axis of the blade edge (464) coincides with the axis of the rotating shaft (461), and the blade point (463) of the outer blade (462) and the blade edge (464) are separated from each other to be extruded on the inner wall of the rectangular thin opening (14) during rotation.
8. The high-efficiency fastener high-pressure forming punch as claimed in claim 6, wherein: the rotating shaft (461) and the outer edge (462) on the outer wall of the rotating shaft are all made of steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411423231.3A CN118989150B (en) | 2024-10-12 | 2024-10-12 | A high-efficiency high-pressure forming punch for fasteners |
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| CN202411423231.3A CN118989150B (en) | 2024-10-12 | 2024-10-12 | A high-efficiency high-pressure forming punch for fasteners |
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| CN118989150B CN118989150B (en) | 2025-04-11 |
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| CN118989150B (en) | 2025-04-11 |
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