CN116851534B - Hardware elastic stamping part with good rebound resilience performance - Google Patents
Hardware elastic stamping part with good rebound resilience performance Download PDFInfo
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- CN116851534B CN116851534B CN202311137108.0A CN202311137108A CN116851534B CN 116851534 B CN116851534 B CN 116851534B CN 202311137108 A CN202311137108 A CN 202311137108A CN 116851534 B CN116851534 B CN 116851534B
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- wall
- placing table
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- 230000007246 mechanism Effects 0.000 claims description 29
- 238000001125 extrusion Methods 0.000 claims description 27
- 238000004080 punching Methods 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 18
- 238000013016 damping Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 10
- 239000010425 asbestos Substances 0.000 claims description 9
- 229910052895 riebeckite Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 239000004519 grease Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001739 rebound effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001245 Sb alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002140 antimony alloy Substances 0.000 description 1
- KGHMFMDJVUVBRY-UHFFFAOYSA-N antimony copper Chemical compound [Cu].[Sb] KGHMFMDJVUVBRY-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- 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
-
- 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
- B21D37/14—Particular arrangements for handling and holding in place complete dies
-
- 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
- B21D45/04—Ejecting devices interrelated with motion of tool
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to the technical field of elastic stamping parts, in particular to a hardware elastic stamping part with good rebound resilience, which comprises a base, wherein an outer template is fixedly connected to the upper surface of the base, an inner template is interactively connected to the inner wall of the outer template, a placing table is fixedly connected to the upper surface of the inner template, a stamping hole is formed in the middle of the placing table, two cavities are formed in the placing table, and the two cavities are mutually cooperated by a resistance ring, a connecting rod, a moving plate, a telescopic rod and a buffer sheet.
Description
Technical Field
The invention relates to the technical field of elastic stamping parts, in particular to a hardware elastic stamping part with good rebound resilience performance.
Background
The stamping part is a forming processing method for obtaining a workpiece (stamping part) with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die to make the plates, the strips, the pipes, the sectional materials and the like generate plastic deformation or separation, and the stamping part and the forging are both plastic processing (or pressure processing) and are also called forging.
At present, the automobile hardware stamping part with good rebound resilience is proposed in a practical name of CN 217481852U: the traditional hardware products can be manufactured into artworks such as knives, swords and the like or metal devices through manual processing, the hardware in the modern society is wider, for example, hardware tools, hardware parts, daily hardware, construction hardware, security articles and the like, the existing hardware stamping parts have no rebound performance and low strength, and cannot rebound and are easy to damage after being extruded, therefore, the automobile hardware stamping parts with good rebound performance are provided, namely the existing equipment has no rebound performance and is easy to damage, and the equipment has the excellent performances of high strength, wear resistance and corrosion resistance through the copper-antimony alloy plating layer, so that the defect that the existing hardware stamping parts have no rebound performance is overcome;
the above proposed device has a certain rebound effect, but the following drawbacks remain after specific use and comparison with the prior art:
(1) because the equipment directly places the die on the stamping table for stamping, the extrusion force of the stamping machine is always born by the part of the stamping table after long-time stamping is omitted, the uneven distribution of the extrusion force of the part of the stamping table not only can influence the flatness and the precision of the stamping die table, but also can lead the stamping table to break more easily under high-strength stamping, thereby reducing the service life of the stamping table;
(2) meanwhile, when the stamping machine performs stamping work for a long time, the rebound part of the stamping table can be increased along with the time and the stamping of cyclic load, so that the rebound effect is gradually reduced, and further the stamping part cannot fully recover the preset shape in the rebound process, so that the product is bent, deformed or uneven, and the appearance and the performance of the product are affected;
(3) in addition, compared with the existing product, the limiting component is not arranged at the position where the die is arranged on the stamping table, so that the extrusion force of the stamping device easily causes the position of the die to deviate in the stamping process, and the stamping device cannot be aligned with the specific position of the stamping die, thereby reducing the stamping quality of the die;
(4) in addition, the existing product cannot clean the stamping table in time after stamping, so that a large amount of chips, waste materials, greasy dirt and the like are accumulated on the stamping table, the working environment becomes messy, not only can the working space be occupied and the available working area be reduced, but also the chips and the waste materials on the stamping table can enter the die, and the die is damaged or bad products are generated;
therefore, the invention provides the hardware elastic stamping part with good rebound resilience performance, so as to overcome and improve the defects in the prior art.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects existing in the prior art, the invention provides the hardware elastic stamping part with good rebound resilience performance, which can effectively solve the technical problems.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention discloses a hardware elastic stamping part with good rebound resilience performance, which comprises a base, wherein an outer template is fixedly connected to the upper surface of the base, an inner template is connected to the inner wall of the outer template in a sliding manner, a placing table is fixedly connected to the upper surface of the inner template, a stamping hole is formed in the middle of the placing table, two cavities are formed in the placing table, a material ejection spring is arranged at the position, corresponding to the middle of the placing table, of the upper surface of the base, a buffering and damping mechanism for reducing the local bearing extrusion force of the placing table is arranged in the placing table, a scrap processing mechanism for cleaning scraps and oil stains on the surface of the placing table is arranged on the upper surface of the placing table, and an alarm mechanism for reminding workers of replacing the material ejection spring is arranged on the upper surface of the base;
the damping mechanism comprises a resistance ring which is uniformly distributed on the inner wall of a punching hole, the outer wall of the resistance ring is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the resistance ring, is fixedly connected with a movable plate, one side of the movable plate, which is far away from the connecting rod, is fixedly connected with a telescopic rod, an adjusting spring is sleeved outside the telescopic rod, a sliding groove is formed in the bottom wall of the placing table, the bottom surface of the movable plate is fixedly connected with a sliding rod, the sliding rod is in sliding connection with the inner wall of the sliding groove, the lower end of the sliding rod is fixedly connected with a first rack, a gear is arranged below the first rack, a second rack is arranged below the gear, one end, which is close to the gear, of the second rack is fixedly connected with a fixing rod, one end of the fixing rod, which is far away from the second rack, is fixedly connected with a buffer sheet, and the inner wall of the placing table is in sliding connection with the buffer sheet.
Preferably, the resistance rings are equidistantly distributed in the upper cavity of the placement table, the outer wall of each resistance ring is an arc surface, and two ends of each adjusting spring are fixedly connected with the moving plate and the telescopic rod respectively.
Preferably, the leftmost end of the first rack is meshed with the upper end of the gear, the rightmost end of the second rack is meshed with the lower end of the gear, and the first rack and the second rack are in the same vertical horizontal plane.
As the preference, sweeps processing mechanism includes evenly distributed in the cardboard of placing the platform both sides, the equal fixedly connected with regulating plate of top of cardboard, the spacing ring is installed to the one end that the cardboard was kept away from to the regulating plate, four of outer wall fixedly connected with locating plate of spacing ring, four locating plate are two a set of, the locating plate is articulated to one side that is close to each other has the connecting plate, the lower extreme fixedly connected with support of connecting plate, the below of support articulates there is the rolling brush.
Preferably, the adjusting plate is of a telescopic structure, and the section of the upper half part of the adjusting plate is L-shaped.
Preferably, the inner wall of the limiting ring is fixedly connected with an asbestos pad, and the inner diameter of the asbestos pad is matched with the punching hole.
Preferably, the outer wall of the rolling brush is provided with a thread groove, and the lower end of the rolling brush is attached to the upper surface of the placing table.
Preferably, the alarm mechanism comprises an extruding plate fixedly connected to the lower end of the inner template, a piston rod is installed below the extruding plate, a communicating pipe is slidably connected to the lower end of the piston rod, a first electrode plate is installed inside the communicating pipe, a connecting spring is fixedly connected to the right side of the first electrode plate, the right end of the connecting spring is fixedly connected with the communicating pipe, a second electrode plate is arranged on the left side of the first electrode plate, the second electrode plate is fixedly connected with the inner wall of the communicating pipe, and an alarm lamp is installed at the left end of the communicating pipe.
Preferably, the outer wall of the piston rod is sleeved with a reset spring, two ends of the reset spring are fixedly connected with the piston rod and the communicating pipe respectively, a limit groove is formed in the inner wall of the communicating pipe, the first electrode plate is slidably connected with the inner wall of the limit groove, the first electrode plate and the second electrode plate are opposite in positive and negative, and the alarm lamp is electrically connected with the second electrode plate.
(III) beneficial effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. the invention utilizes the mutual cooperation among the resistance ring, the connecting rod, the movable plate, the telescopic rod and the buffer sheet, and the buffer sheet is a cushion made of rubber material, has excellent elasticity, can quickly recover to the original state after being stressed, has good buffering and damping properties, and also has wear resistance, is suitable for high-friction and high-wear environments, so that the local bearing of the placing table on the extrusion force from the punch can be reduced, the crack expansion caused by fatigue damage of the placing table is avoided, and the service life of the placing table is prolonged.
2. The invention uses the mutual cooperation among the clamping plate, the adjusting plate, the limiting ring, the positioning plate and the bracket, and cleans the die on the surface of the placing table when the rolling brush moves to two sides, thereby reducing the accumulation of pollutants such as grease, dust, metal scraps and the like on the surface of the placing table, keeping the working environment clean and tidy, avoiding the pollutants such as the grease, the metal scraps and the like from entering the punching holes, reducing the frequency of maintaining and replacing parts, and improving the working efficiency and the comfort of operators.
3. According to the invention, the clamping plates fixedly connected with the two ends of the upper surface of the placing table are utilized, and the clamping plates limit the die when the punch punches the die, so that the extrusion force of the punch is prevented from shifting the position of the die on the surface of the placing table, and the punch can accurately punch the die, thereby avoiding the conditions of defects, flaws and the like of the punched die caused by the fact that the punch cannot accurately punch the die.
4. According to the invention, the extrusion plate, the piston rod, the communicating pipe, the electrode plate and the alarm lamp are mutually cooperated until the first electrode plate is attached to the second electrode plate, and because the electrodes of the first electrode plate and the second electrode plate are opposite, current is formed after the first electrode plate is contacted with the second electrode plate, so that the alarm lamp arranged at one end of the communicating pipe is triggered, the alarm lamp is enabled to give an alarm, thereby reminding a worker in time, the elasticity of the ejector spring is weakened, and the ejector spring needs to be replaced, so that the unstable size of a die after stamping is avoided, the precision requirement of a product cannot be met, and the complicated steps of more correction and processing of the die with unstable size are omitted.
Drawings
The invention is further described with respect to embodiments illustrated by means of the following drawings, in which:
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a top perspective view of the present invention;
FIG. 3 is a top perspective view of the cushioning mechanism of the present invention;
FIG. 4 is a bottom perspective view of the cushioning mechanism of the present invention;
FIG. 5 is a partially enlarged perspective view of the structure of FIG. 4A according to the present invention
FIG. 6 is a perspective view of the whole buffering and damping mechanism of the present invention;
FIG. 7 is a partially enlarged perspective view of the structure of FIG. 6 according to the present invention
FIG. 8 is a perspective view of the scrap handling mechanism of the present invention;
FIG. 9 is a side perspective view of the scrap handling mechanism of the present invention;
FIG. 10 is a partial perspective view of the alarm mechanism of the present invention;
FIG. 11 is a cross-sectional perspective view of the alarm mechanism of the present invention;
fig. 12 is a perspective view of the alarm mechanism according to the present invention.
Reference numerals in the drawings represent respectively: 1. a base; 11. an outer template; 12. an inner template; 13. a placement table; 14. a liftout spring; 2. a buffering and damping mechanism; 21. a resistance ring; 22. a connecting rod; 23. a moving plate; 2301. a slide bar; 24. a telescopic rod; 25. an adjusting spring; 26. a chute; 27. a first rack; 28. a gear; 29. a second rack; 210. a fixed rod; 211. a buffer sheet; 3. a scrap disposal mechanism; 31. a clamping plate; 32. an adjusting plate; 33. a limiting ring; 34. a positioning plate; 35. a connecting plate; 36. a bracket; 37. a rolling brush; 4. an alarm mechanism; 41. an extrusion plate; 42. a piston rod; 43. a communicating pipe; 44. a first electrode plate; 45. a connecting spring; 46. a second electrode plate; 47. an alarm lamp.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Embodiments of the invention
The hardware elastic stamping part with good rebound resilience performance comprises a base 1, wherein an outer template 11 is fixedly connected to the upper surface of the base 1, an inner template 12 is slidably connected to the inner wall of the outer template 11, a placement table 13 is fixedly connected to the upper surface of the inner template 12, a stamping hole is formed in the middle of the placement table 13, two cavities are formed in the placement table 13, a top spring 14 is arranged at the position, corresponding to the middle of the placement table 13, of the upper surface of the base 1, a buffering and damping mechanism 2 for reducing the local bearing extrusion force of the placement table 13 is arranged in the placement table 13, a scrap processing mechanism 3 for cleaning scraps and oil stains on the surface of the placement table 13 is arranged on the upper surface of the placement table 13, and an alarm mechanism 4 for reminding workers of replacing the top spring 14 is arranged on the upper surface of the base 1.
Referring to fig. 3 to 7, the buffering and damping mechanism 2 comprises resistance rings 21 uniformly distributed on the inner wall of a punching hole, connecting rods 22 are fixedly connected to the outer walls of the resistance rings 21, one ends of the connecting rods 22 far away from the resistance rings 21 are fixedly connected with moving plates 23, one sides of the moving plates 23 far away from the connecting rods 22 are fixedly connected with telescopic rods 24, adjusting springs 25 are sleeved outside the telescopic rods 24, sliding grooves 26 are formed in the bottom wall of the placing table 13, sliding rods 2301 are fixedly connected to the bottom surfaces of the moving plates 23, the sliding rods 2301 are slidably connected with the inner walls of the sliding grooves 26, first racks 27 are fixedly connected to the lower ends of the sliding rods 2301, gears 28 are mounted below the first racks 27, the second rack 29 is installed to the below of gear 28, the one end fixedly connected with dead lever 210 that the second rack 29 is close to gear 28, the one end fixedly connected with buffer piece 211 that dead lever 210 kept away from second rack 29, buffer piece 211 and the inner wall sliding connection of placing platform 13, resistance ring 21 equidistance distributes in the last cavity of placing platform 13, and the outer wall of resistance ring 21 is the arc surface, the both ends of adjusting spring 25 respectively with movable plate 23 and telescopic link 24 fixed connection, the left end of first rack 27 meshes with the upper end of gear 28, the right-hand member of second rack 29 meshes with the lower extreme of gear 28, and first rack 27 is in same vertical horizontal plane with second rack 29.
The scheme is adopted: when the punch presses the resistance ring 21 to the inner wall of the placing table 13 completely, the buffer sheet 211 contracted on the inner wall of the placing table 13 is completely spread to the outer side of the placing table 13 until the punch is abutted against the buffer sheet 211, the buffer sheet 211 is a cushion made of rubber material, the buffer sheet 211 has excellent elasticity, can be quickly restored to the original state after being stressed, has good buffering and damping performances, and the buffer sheet 211 also has wear resistance and is suitable for the environment with high friction and high wear, so that the buffer sheet 211 can reduce the resistance of the punch by virtue of the buffer property and the damping property of the buffer sheet 211, and further reduce the extrusion force of the placing table 13 to locally bear the punch, thereby avoiding the crack expansion caused by fatigue damage of the placing table 13 and further prolonging the service life of the placing table 13.
Referring to fig. 8 and 9, the scrap treatment mechanism 3 includes a clamping plate 31 uniformly distributed on two sides of the placement table 13, an adjusting plate 32 is fixedly connected above the clamping plate 31, a limiting ring 33 is installed at one end, far away from the clamping plate 31, of the adjusting plate 32, four positioning plates 34 are fixedly connected to the outer wall of the limiting ring 33, two of the four positioning plates 34 are in a group, a connecting plate 35 is hinged to one side, close to each other, of the positioning plates 34, the lower end of the connecting plate 35 is fixedly connected with a support 36, a rolling brush 37 is hinged to the lower side of the support 36, the adjusting plate 32 is of a telescopic structure, the upper half section of the adjusting plate 32 is L-shaped, an asbestos pad is fixedly connected to the inner wall of the limiting ring 33, the inner diameter of the asbestos pad is matched with a punching hole, two ends of the support 36 are rotatably connected with two sides of the rolling brush 37, a thread groove is formed in the outer wall of the rolling brush 37, and the lower end of the rolling brush 37 is attached to the upper surface of the placement table 13.
The scheme is adopted: when the rolling brush 37 moves to two sides, the die on the surface of the placing table 13 is cleaned, so that pollutants such as grease, dust and metal chips are reduced and accumulated on the surface of the placing table 13, the working environment is kept clean and tidy, the pollutants such as the grease and the metal chips are prevented from entering the punching holes, the frequency of maintaining and replacing parts is reduced, the working efficiency and the comfort level of operators are improved, and meanwhile, the dies are limited due to the fact that the clamping plates 31 are fixedly connected to the two ends of the upper surface of the placing table 13, when the dies are punched by the punching machine, the dies are prevented from being shifted in position by the extrusion force of the punching machine, the dies are accurately punched by the punching machine, and the conditions such as defects and flaws of the dies caused by incapability of accurately punching the dies are avoided.
Referring to fig. 10 to 12, the alarm mechanism 4 includes a pressing plate 41 fixedly connected to the lower end of the inner die plate 12, a piston rod 42 is installed below the pressing plate 41, the lower end of the piston rod 42 is slidably connected with a communicating pipe 43, a first electrode plate 44 is installed inside the communicating pipe 43, a connecting spring 45 is fixedly connected to the right side of the first electrode plate 44, the right end of the connecting spring 45 is fixedly connected with the communicating pipe 43, a second electrode plate 46 is arranged on the left side of the first electrode plate 44, the second electrode plate 46 is fixedly connected with the inner wall of the communicating pipe 43, an alarm lamp 47 is installed at the left end of the communicating pipe 43, a return spring is sleeved on the outer wall of the piston rod 42, two ends of the return spring are fixedly connected with the piston rod 42 and the communicating pipe 43 respectively, a limit groove is formed in the inner wall of the communicating pipe 43, the first electrode plate 44 is slidably connected with the inner wall of the limit groove, the first electrode plate 44 and the second electrode plate 46 are opposite in positive and negative mutually, and the alarm lamp 47 is electrically connected with the second electrode plate 46.
The scheme is adopted: until the first electrode plate 44 is attached to the second electrode plate 46, since the electrodes of the first electrode plate 44 and the second electrode plate 46 are opposite, current is formed after the first electrode plate 44 contacts with the second electrode plate 46, so that an alarm lamp 47 arranged at one end of the communicating pipe 43 is triggered, the alarm lamp 47 gives an alarm, thereby reminding workers in time that the elasticity of the ejector spring 14 is weakened, and the ejector spring 14 needs to be replaced, so that the unstable size of the die after stamping is avoided, the precision requirement of the product cannot be met, and further complicated steps of correcting and processing the die with unstable size are omitted.
The complete working principle of the above embodiment is as follows:
initial definition: fig. 1 and fig. 2 are respectively initial states of the device under different view angles, at this time, as shown in fig. 2, the rolling brushes 37 are located at two sides of the punching hole on the surface of the placement table 13, and the resistance rings 21 are contracted at the outer sides of the punching hole, the buffer pieces 211 are distributed on the inner wall of the punching hole in a dispersed manner, at this time, as shown in fig. 5, the leftmost end of the first rack 27 is meshed with the gear 28, the rightmost end of the second rack 29 is meshed with the gear 28, as shown in fig. 10, and the first electrode plate 44 and the second electrode plate 46 are in an unapplied state;
when in use, the utility model is characterized in that: when the die needs to be punched, firstly, a worker places the die on the placing table 13, at this time, the punch penetrates through the limiting ring 33, and as the asbestos pad is installed on the inner wall of the limiting ring 33, the fiber structure and the rough surface of the asbestos pad exist, a high friction coefficient exists, so that the friction resistance between the limiting ring 33 and the punch is increased, the clamping plate 31 is fixedly connected to the upper surface of the placing table 13, the adjusting plate 32 is installed above the clamping plate 31, the adjusting plate 32 is of a telescopic structure, one end of the adjusting plate 32 is fixedly connected with the limiting ring 33, and as the punch penetrates through the limiting ring 33 in the downward movement process, the friction force generated by the punch and the asbestos pad inside the limiting ring 33 can enable the limiting ring 33 to move downward, and as the outer wall of the limiting ring 33 is fixedly connected with the positioning plate 34, the positioning plate 34 is hinged with the connecting plate 35, one end of the connecting plate 35 is fixedly connected with a bracket 36, two ends of the bracket 36 are rotatably connected with two sides of a rolling brush 37, the rolling brush 37 is attached to the upper surface of the placing table 13, so that in the downward moving process of the limiting ring 33, the rolling brush 37 moves to two sides along the upper surface of the placing table 13, and when the rolling brush 37 moves to two sides, a die on the surface of the placing table 13 is cleaned, so that the accumulation of pollutants such as grease, dust and metal chips on the surface of the placing table 13 is reduced, the working environment is kept clean and tidy, the pollutants such as the grease and the metal chips are prevented from entering a punching hole, the frequency of maintaining and replacing parts is reduced, and the working efficiency and the comfort of an operator are improved;
meanwhile, as the clamping plates 31 are fixedly connected to the two ends of the upper surface of the placement table 13, when the stamping device stamps the die, the clamping plates 31 limit the die, so that the extrusion force of the stamping device is prevented from shifting the position of the grinding tool on the surface of the placement table 13, and the stamping device can stamp the die accurately, thereby avoiding the occurrence of defects, flaws and the like of the stamped die due to the fact that the stamping device cannot stamp the die accurately;
meanwhile, because the resistance ring 21 is contracted at the outer side of the punching hole in the initial state, when the punch enters the punching hole, the bottom of the punch directly collides with the resistance ring 21, because one side of the resistance ring 21 is fixedly connected with the connecting rod 22, one end of the connecting rod 22 is fixedly connected with the moving plate 23, one side of the moving plate 23 is fixedly connected with the telescopic rod 24, when the punch continuously moves downwards after being abutted against the resistance ring 21, the extrusion force of the punch on the resistance ring 21 can lead the resistance ring 21 to spread around, at the moment, the resistance ring 21 causes a certain resistance to the punch, thereby reducing the extrusion force of the punch, because the bottom wall of the placing table 13 is provided with the chute 26, the bottom surface of the moving plate 23 is fixedly connected with the sliding rod 2301, the sliding rod 2301 is in sliding connection with the inner wall of the chute 26, the moving plate 23 is driven to move when the resistance ring 21 moves around, since the first rack 27 is installed on the lower surface of the moving plate 23, the leftmost end of the first rack 27 is engaged with the upper end of the gear 28, and the lower end of the gear 28 is engaged with the rightmost end of the second rack 29, so that the first rack 27 moves simultaneously with the moving plate 23, thereby maintaining the rotation of the gear 28 engaged with the first rack 27, and further, the second rack 29 moves in the direction of the punching hole, since the right end of the second rack 29 is fixedly connected with the fixing rod 210, one end of the fixing rod 210 is fixedly connected with the buffer piece 211, the buffer piece 211 moves in the direction of the punching hole as well as the second rack 29 until the buffer piece 211 contracted on the inner wall of the placing table 13 moves to the outer side of the placing table 13 completely when the punch presses the resistance ring 21 to the inner wall of the placing table 13 completely until the punch abuts against the buffer piece 211, the buffer piece 211 is a cushion made of rubber material, the buffer sheet 211 has excellent elasticity, can quickly recover the original shape after being stressed, has good buffering and damping properties, and the buffer sheet 211 also has wear resistance, is suitable for high-friction and high-wear environments, so that the local bearing of the placing table 13 to the extrusion force of a punch can be reduced, the crack expansion caused by fatigue damage of the placing table 13 is avoided, and the service life of the placing table 13 is prolonged;
in addition, the lower end of the inner die plate 12 is fixedly connected with the extrusion plate 41, the piston rod 42 is arranged below the extrusion plate 41, when the inner die plate 12 descends each time, the extrusion plate 41 just contacts with the upper surface of the piston rod 42, however, as the stamping machine continuously performs stamping operation on the die, the rebound resilience of the ejector spring 14 gradually weakens with the increase of time and the action of cyclic load, the function of the ejector spring 14 weakens, so that the stamping die cannot be effectively sent to the upper side of the placing table 13, the next stamping of the stamping machine is affected, at the moment, when the stamping machine still keeps the same extrusion force to stamp the die, the ejector spring 14 fails to restore the inner die plate 12 to the initial position before stamping due to the weakening of elasticity, so under the condition that the extrusion force of the stamping machine is unchanged, the stamping machine punches the die again, when the initial position of the inner die plate 12 is not restored, the inner die plate 12 is subjected to the extrusion force of the punch again, so that the descending height of the inner die plate 12 exceeds the descending height of the inner die plate 12 when the elasticity of the ejector spring 14 is not weakened, the extrusion plate 41 causes downward extrusion force to the piston rod 42, the piston rod 42 is in sliding connection with the inner wall of the communication pipe 43 due to the gas in the communication pipe 43, the inner wall of the communication pipe 43 is provided with a limit groove, the first electrode plate 44 is in sliding connection with the limit groove, the left side of the first electrode plate 44 is fixedly connected with the second electrode plate 46, the second electrode plate 46 is in electrical connection with the alarm lamp 47, when the piston rod 42 is extruded by the extrusion plate 41, the piston rod 42 slides downward, so that a downward thrust is applied to the sealed communication pipe 43, the thrust is transmitted to the piston rod 42 due to the gas in the sealed communication pipe 43, when pressure is downwards applied to squeeze the piston rod 42, the pressure is uniformly transferred to the whole gas according to the Baska law, and the gas is incompressible, so that the pressure can cause corresponding volume change of the gas to push an object in the communicating pipe 43 to move along the direction of the communicating pipe 43, so that a first electrode plate 44 in the communicating pipe 43 slowly moves towards a second electrode plate 46 in a limiting groove until the first electrode plate 44 is attached to the second electrode plate 46, and because the electrodes of the first electrode plate 44 and the second electrode plate 46 are opposite, current is formed after the first electrode plate 44 is contacted with the second electrode plate 46, an alarm lamp 47 arranged at one end of the communicating pipe 43 is triggered, and the alarm lamp 47 gives an alarm, so that staff is timely reminded of the elasticity of the ejector spring 14, and the ejector spring 14 needs to be replaced, thereby avoiding unstable die size after stamping, failing to meet the precision requirement of products, and further complicated steps such as correction and processing of the unstable die size are also saved;
after use: when the whole stamping of the stamping equipment is finished, all parts can be restored to the initial positions, and the next stamping is carried out.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a five metals elastic stamping workpiece that resilience performance is good, includes base (1), the last fixed surface of base (1) is connected with external bolster (11), the inner wall sliding connection of external bolster (11) has internal mold board (12), the upper surface fixedly connected with of internal mold board (12) places platform (13), the punching press hole has been seted up at the middle part of placing platform (13), two cavitys have been seted up to the inside of placing platform (13), the upper surface of base (1) corresponds and places platform (13) middle part position department and installs liftout spring (14), its characterized in that: the automatic feeding device is characterized in that a buffer damping mechanism (2) for reducing the local bearing extrusion force of the placing table (13) is arranged in the placing table (13), a scrap processing mechanism (3) for cleaning scraps and oil stains on the surface of the placing table (13) is arranged on the upper surface of the placing table (13), and an alarm mechanism (4) for reminding workers of replacing a jacking spring (14) is arranged on the upper surface of the base (1);
the damping mechanism (2) comprises resistance rings (21) which are uniformly distributed on the inner wall of a punching hole, connecting rods (22) are fixedly connected to the outer walls of the resistance rings (21), one ends of the connecting rods (22) away from the resistance rings (21) are fixedly connected with moving plates (23), one sides of the moving plates (23) away from the connecting rods (22) are fixedly connected with telescopic rods (24), adjusting springs (25) are sleeved on the outer sides of the telescopic rods (24), sliding grooves (26) are formed in the bottom wall of the placing table (13), sliding rods (2301) are fixedly connected to the bottom surfaces of the moving plates (23), the sliding rods (2301) are in sliding connection with the inner walls of the sliding grooves (26), the lower ends of the sliding rods (2301) are fixedly connected with first racks (27), gears (28) are arranged below the first racks (27), second racks (29) are arranged below the gears (28), one ends of the second racks (29) close to the gears (28) are fixedly connected with fixing rods (210), and the fixing rods (210) are far away from the inner walls of the first racks (211) and are fixedly connected with the damping plates (211);
the resistance rings (21) are equidistantly distributed in the upper cavity of the placement table (13), the outer wall of each resistance ring (21) is an arc surface, and two ends of each adjusting spring (25) are fixedly connected with the corresponding moving plate (23) and the corresponding telescopic rod (24);
the leftmost end of the first rack (27) is meshed with the upper end of the gear (28), the rightmost end of the second rack (29) is meshed with the lower end of the gear (28), and the first rack (27) and the second rack (29) are positioned on the same vertical horizontal plane;
the sweeps treatment mechanism (3) comprises clamping plates (31) which are uniformly distributed on two sides of the placing table (13), adjusting plates (32) are fixedly connected to the upper sides of the clamping plates (31), limiting rings (33) are arranged at one ends, far away from the clamping plates (31), of the adjusting plates (32), four positioning plates (34) are fixedly connected to the outer walls of the limiting rings (33), two positioning plates (34) are in a group, connecting plates (35) are hinged to one sides, close to each other, of the positioning plates (34), supports (36) are fixedly connected to the lower ends of the connecting plates (35), and rolling brushes (37) are hinged to the lower sides of the supports (36);
the alarm mechanism (4) comprises an extrusion plate (41) fixedly connected to the lower end of the inner die plate (12), a piston rod (42) is installed below the extrusion plate (41), the lower end of the piston rod (42) is slidably connected with a communicating pipe (43), a first electrode plate (44) is installed in the communicating pipe (43), a connecting spring (45) is fixedly connected to the right side of the first electrode plate (44), the right end of the connecting spring (45) is fixedly connected with the communicating pipe (43), a second electrode plate (46) is arranged on the left side of the first electrode plate (44), the second electrode plate (46) is fixedly connected with the inner wall of the communicating pipe (43), and an alarm lamp (47) is installed at the left end of the communicating pipe (43).
2. The hardware elastic stamping part with good rebound resilience performance according to claim 1, wherein: the adjusting plate (32) is of a telescopic structure, and the section of the upper half part of the adjusting plate (32) is L-shaped.
3. The hardware elastic stamping part with good rebound resilience performance according to claim 1, wherein: the inner wall of the limiting ring (33) is fixedly connected with an asbestos pad, and the inner diameter of the asbestos pad is matched with the punching hole.
4. The hardware elastic stamping part with good rebound resilience performance according to claim 1, wherein: the outer wall of the rolling brush (37) is provided with a thread groove, and the lower end of the rolling brush (37) is attached to the upper surface of the placing table (13).
5. The hardware elastic stamping part with good rebound resilience performance according to claim 1, wherein: the outer wall cover of piston rod (42) has reset spring, and reset spring's both ends respectively with piston rod (42) and communicating pipe (43) fixed connection, the spacing groove has been seted up to the inner wall of communicating pipe (43), first electrode plate (44) and the inner wall sliding connection of spacing groove, first electrode plate (44) and second electrode plate (46) are positive negative opposite electrode each other, just warning light (47) with second electrode plate (46) are electric connection.
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| CN202311137108.0A CN116851534B (en) | 2023-09-05 | 2023-09-05 | Hardware elastic stamping part with good rebound resilience performance |
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| CN202311137108.0A CN116851534B (en) | 2023-09-05 | 2023-09-05 | Hardware elastic stamping part with good rebound resilience performance |
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Also Published As
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| CN116851534A (en) | 2023-10-10 |
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