CN215544193U

CN215544193U - Clamp spring end punching die based on plate machine

Info

Publication number: CN215544193U
Application number: CN202120403909.7U
Authority: CN
Inventors: 王建江; 王玉良; 石正伟
Original assignee: Zhejiang Meili High Technology Co ltd
Current assignee: Zhejiang Meili High Technology Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2022-01-18
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a clamp spring end punching die based on a plate machine, which is characterized by being fixed on the front side of a forming core nozzle of the plate machine and comprising a fixing mechanism, wherein the fixing mechanism is connected with a lower die, a lower die core is arranged in the lower die, a feeding channel is arranged in the lower die and the lower die, the front side of the lower die is provided with an end, the feeding channel extends out of the end to the outer side of the lower die, the front end of the feeding channel is provided with an end nozzle, the upper side of the lower die is provided with a corresponding upper die, the upper die comprises a pressing plate, a guide pillar and a punching needle, the guide pillar hole and the punching needle are respectively matched with the guide pillar and the ejecting needle, and the ejecting needle hole and the feeding channel are arranged in an intersecting manner; the upper die and the lower die are provided with matched guide bolts, the guide bolts are sleeved with pressure springs, and the pressure springs are located between the upper die and the lower die. The utility model has the advantages that the subsequent punching process of the punch is eliminated, the normal use of the equipment is not influenced, the production efficiency is liberated, and the quality risk is eliminated; the deburring or rounding efficiency of the end of the clamp spring is improved.

Description

Clamp spring end punching die based on plate machine

Technical Field

The application relates to a jump ring end processing equipment technical field especially relates to a jump ring end die based on panel machine.

Background

The circlip is also called retainer ring or retainer ring, belongs to a kind of fastener, and is used for being installed in the shaft groove or hole groove of machine and equipment, and plays the role of preventing the axial movement of the parts on the shaft or hole. The processing of jump ring can adopt the plate machine, rotates through alignment wheel and pay-off wheel and carries out alignment and pay-off, passes through the plug after the vertical bar enters into the station that curls and rotates and accomplish the jump ring system of rolling up, through surrounding the array and setting up the unloading that the eight claw cam control slip table of periphery side of plug is outstanding or is retracted and realize the jump ring, the jump ring both ends can form the end usually for the installation of cooperation forceps holder completion jump ring. Nowadays, more and more host computer factory customers require two ends of jump ring to need radius angle or burring to influence the installation in the product use, cause the abnormal sound. In the traditional production process, after the clamp spring is produced by the clamp spring plate machine, a subsequent punch presses to punch a fillet or remove burrs.

For example, in chinese patent literature, the utility model discloses a patent of utility model that publication number CN 209062721U was disclosed in 2019, 7/5, this application discloses a deburring device is used in production of Nimonic90 engine jump ring winding, including the bottom plate, there is the fixed block through the bolt fastening on the top outer wall of bottom plate, and the top central point of fixed block puts and opens the recess, there is first motor through the bolt fastening on the recess inner wall, there is the fixed disk at the top of first motor output shaft through the bolt fastening, and the top welding of bottom plate has the fixed column, and the top of fixed column has the roof through the bolt fastening, there is the second motor bottom through the bolt fastening of roof.

The prior art has the defects that the prior production process is a process of adding punching of a punching machine in the subsequent process, so that the production efficiency is influenced, and due to the addition of a transfer process, an unblanked product possibly flows into the subsequent package, so that the product quality is influenced; the clamp spring with a small end head size exists, and the punching machine is not easy to punch when the clamp spring is processed in the working procedure.

Disclosure of Invention

Based on the defects in the prior art, the utility model provides the clamp spring end punching die based on the plate machine, which can directly complete the rounding or deburring process on production equipment at one time, remove the subsequent punching process of a punch press, does not influence the normal use of the equipment, liberates the production efficiency and eliminates the quality risk; the deburring or rounding efficiency of the end of the clamp spring is improved.

In order to achieve the above object, the present application adopts the following technical solutions.

A clamp spring end punching die based on a plate machine is characterized by being fixed on the front side of a forming core nozzle of the plate machine and comprising a fixing mechanism, wherein the fixing mechanism is connected with a lower die, a lower die core is arranged in the lower die, a feeding channel is arranged in the lower die core and the lower die, an end is arranged on the front side of the lower die, the feeding channel extends out of the lower die from the end, an end nozzle is arranged at the front end of the end, a corresponding upper die is arranged on the upper side of the lower die and comprises a pressing plate, a guide pillar and a punching needle which penetrate through the pressing plate and extend out, a guide pillar hole and an ejector pin hole which are respectively matched with the guide pillar and the ejector pin are arranged in the lower die, and the ejector pin hole and the feeding channel are arranged in an intersecting manner; the upper die and the lower die are provided with matched guide bolts, the guide bolts are sleeved with pressure springs, and the pressure springs are located between the upper die and the lower die.

The fixing mechanism is matched with the lower die and directly integrated on the equipment core rod, so that the fillet chamfering or deburring process can be directly finished on production equipment at one time, the subsequent punching process of a punch is eliminated, the normal use of the equipment is not influenced, the production efficiency is liberated, and the quality risk is eliminated; some jump ring end length angle at jump ring both ends are short, and the blanking is difficult to realize to the punch press, and this application is because just realize fillet or burring before taking shape, so do not receive jump ring end length to influence, improved jump ring end burring and fillet efficiency.

Preferably, the fixing mechanism adopts a clamping block, the clamping block is positioned inside the lower die and fixedly connected with the lower die through a bolt, and a limiting groove matched with the core nozzle is formed in the upper side of the clamping block. The clamping blocks and the lower die form a hoop structure, so that the integrated arrangement of the end punching die on the plate machine core rod is realized, and the plate machine core rod is tightly held through the clamping blocks and the lower die bolts in a locking mode.

Preferably, the end nozzle is made of tungsten steel. The strength of the end mouth is guaranteed, the end mouth can be directly used as a curling auxiliary core, the straight core material is deburred by the ejector pin after passing through the feeding channel from the core rod, the core material extends out of the end mouth, and the curling of the core material into a clamp spring forming process can be completed by matching the end mouth with a curling knife.

Preferably, the guide post is provided with two guide posts which are symmetrically arranged relative to the ejector pin, the ejector pin and the guide post are positioned on the same plane, and the guide post and the ejector pin are arranged in parallel. The guide pillar that the symmetry set up improves the direction reliability, and the three coplane guarantees the stability of pushing down of thimble.

Preferably, the guide bolts penetrate through the upper die and then are fixed with the lower die through threads, four groups of guide bolts and pressure springs are arranged, and the four groups of bolts are respectively positioned on four corners of the upper die. The connecting strength of the upper film and the lower film is ensured by the aid of the guide bolts and the pressure springs arranged at four corners, the stability of relative movement of the upper die and the lower die can be ensured, and the resetting capability of the upper die is ensured.

Preferably, the upper end of the pressure plate is fixedly provided with a bottom plate, and the bottom plate is arranged corresponding to the guide posts; the thimble runs through the mould setting, and thimble upper end and last mould upper end are equipped with complex step portion and step groove. The structural strength of the upper end of the pressing plate is enhanced by the bottom plate, and the pressing plate is matched with the guide pillar and the ejector pin, so that the in-place reliability of the ejector pin is improved, and the stamping die quality is improved; step portion and step groove cooperation, including the fixed action that compresses tightly of bottom plate, accomplish the thimble and fix on last mould, bottom plate and clamp plate adopt bolted connection, realize the detachable design of thimble.

Preferably, the lower end of the lower die is provided with a reinforcing fixing plate, and the reinforcing fixing plate is fixedly connected with the lower die and the clamping block through screws respectively. The lower die and the clamping block are connected through the reinforcing fixing plate, so that the integrity and the structural strength of the stamping die are improved; the lower die is connected with the upper die through a bolt, and the lower die is connected with the reinforcing fixing plate through a bolt, so that the replaceable design is realized.

The utility model has the following beneficial effects: the fillet or burr removing process can be directly finished on production equipment at one time, the subsequent punching process of a punch is removed, the normal use of the equipment is not influenced, the production efficiency is liberated, and the quality risk is eliminated; the deburring and rounding efficiency of the end of the clamp spring is improved; the service life of the equipment is prolonged by considering the replaceable design of the wearing parts.

Drawings

FIG. 1 is a schematic view of the structure of the lower mold of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural view of an upper mold in the present invention.

Fig. 4 is a schematic cross-sectional view of the platen fixing pin and the guide post of fig. 3.

Fig. 5 is a schematic structural view of the clamping block of the present invention.

FIG. 6 is a schematic structural view of the thimble of the present invention.

In the figure: the lower die 1 clamping block 11 limiting groove 111 lower die core 12 feeding channel 13 end 14 end mouth 141 guide post hole 15 thimble hole 16 blanking flaring 17 reinforcing fixed plate 18 screw hole 19 upper die 2 pressing plate 20 guide post 21 thimble 22 step 221 semi-circular groove 222 bottom plate 23 guide bolt 24.

Detailed Description

The utility model is further illustrated with reference to the figures and the specific embodiments.

In the embodiment of the method, the first step,

as shown in fig. 1 to 6, a circlip end punching die based on a plate machine is characterized in that the punching die is fixed on the front side of a forming core mouth of the plate machine and comprises a fixing mechanism, and the fixing mechanism adopts a clamping block 11. The fixing mechanism is connected with a lower die 1, a lower die core 12 is arranged in the lower die 1, a feeding channel 13 is arranged in the lower die core 12 and the lower die 1, an end 14 is arranged on the front side of the lower die 1, the feeding channel 13 extends out of the lower die 1 from the end 14, an end nozzle 141 is arranged at the front end of the end 14 of the feeding channel 13, and the end nozzle 141 is made of tungsten steel through brazing. The clamping block 11 holds and fixes the lower die 1 and the core rod. The clamping block 11 is located inside the lower die 1, the clamping block 11 is fixedly connected with the lower die 1 through four bolts, a limiting groove 111 matched with the core nozzle is formed in the upper side of the clamping block 11, and the limiting groove 111 is semi-cylindrical. The upper side of the lower die 1 is provided with a corresponding upper die 2, the upper die 2 comprises a pressing plate 20, and a guide pillar 21 and a thimble 22 which penetrate through the pressing plate to extend out, the lower die 1 is provided with a guide pillar hole 15 and a thimble hole 16 which are respectively matched with the guide pillar 21 and the thimble 22, the upper end of the guide pillar 21 is provided with a convex ring, and the lower die is limited in the pressing plate 20 through a counter bore at the upper end of the guide pillar hole 15. The upper end of the pressure plate 20 is fixedly provided with a bottom plate 23 through bolts, and the bottom plate 23 is arranged at a position corresponding to the guide pillar 21; the thimble 22 penetrates the pressing plate 20, and the upper end of the thimble 22 and the upper end of the upper die 2 are provided with a step part 221 and a step groove which are matched with each other. The thimble 22 is shaped as a long-strip structure with a rectangular cross section; the step portions 221 are symmetrically disposed at the upper ends of two opposite side surfaces of the thimble 22, the other two side surfaces of the thimble 22 without the step portions 221 are provided with concave semi-arc grooves 222, the semi-arc grooves 222 and the side surfaces of the thimble 22 are in smooth transition, and the intersecting line of the two side surfaces cannot be actually seen, as shown in fig. 6. The convex columns matched with the semi-arc grooves 222 are arranged in the thimble holes 16, so that the thimble 22 is more reliably limited, transition fillets are arranged at the edge of the thimble 22, and the service life of the thimble 22 is prolonged. The base plate 23 and the pressing plate 20 are fixedly connected to complete the pressing and fixing of the guide post 21 and the thimble 22. A blanking flaring 17 matched with the lower end of the feeding channel 13 is arranged in the top pinhole 16, and the flaring angle of the blanking flaring 17 is 4 degrees, so that waste materials can be conveniently cut and automatically blanked. The guide post 21 is provided with two guide posts symmetrically arranged about the thimble 22, the thimble 22 and the guide post 21 are positioned on the same plane, and the guide post 21 and the thimble 22 are arranged in parallel. The upper die 2 and the lower die 1 are provided with matched guide bolts 24, the guide bolts 24 are sleeved with compression springs, and the compression springs are located between the upper die 2 and the lower die 1. The guide bolt 24 penetrates through the upper die 2 and then is fixed with the lower die 1 in a threaded manner, the lower end of the guide bolt 24 is a threaded rod, the upper end of the guide bolt is a polished rod with a nut, and the lower die 1 is provided with a threaded hole 19 matched with the guide bolt 24. The guide bolts 24 are slidably provided with the upper die 2. Four sets of guide bolts 24 and pressure springs are provided, and the four sets of guide bolts 24 are respectively positioned at four corners of the upper die 2. Specifically, the guide bolts 24 are located on the pressure plate 20, the length of the pressure plate 20 is greater than the length of the bottom plate 23, and the width of the pressure plate 20 is equal to the width of the bottom plate 23. The guide bolts 24 are located outside the bottom plate 23. The lower end of the lower die 1 is provided with a reinforcing fixing plate 18, and the reinforcing fixing plate 18 is fixedly connected with the lower die 1 and the clamping block 11 through screws respectively.

The punching die is directly integrated on the equipment core rod through the lower die 1 and the hoop, the straight core material directly enters into the feeding channel 13 from the core rod, the upper die 2 is pressed down by the power mechanism, the thimble 22 overcomes the elastic action of the pressure spring on the upper die 2 and extends into the lower die core 12, the core material automatically removes burrs or forms round corners due to the specification limit of the thimble 22 when passing through the thimble 22,

the fillet or burr removing process can be directly finished on production equipment at one time, the subsequent punching process of a punch is removed, the normal use of the equipment is not influenced, the production efficiency is liberated, and the quality risk is eliminated; the length angles of the ends of the clamp springs at the two ends of some clamp springs are short, so that punching is not easy to realize by a punch press, and rounding or deburring is realized before the clamp springs are formed, so that the influence of the length of the ends of the clamp springs is avoided, and the deburring and rounding efficiency of the ends of the clamp springs is improved; in addition, this application can also utilize the thimble to push down and accomplish breakpoint or stripping and slicing on the jump ring, accomplishes the processing of some special section bars.

Claims

1. A clamp spring end punching die based on a plate machine is characterized by being fixed on the front side of a forming core nozzle of the plate machine and comprising a fixing mechanism, wherein the fixing mechanism is connected with a lower die, a lower die core is arranged in the lower die, a feeding channel is arranged in the lower die core and the lower die, an end is arranged on the front side of the lower die, the feeding channel extends out of the lower die from the end, an end nozzle is arranged at the front end of the end, a corresponding upper die is arranged on the upper side of the lower die and comprises a pressing plate, a guide pillar and a punching needle which penetrate through the pressing plate and extend out, a guide pillar hole and an ejector pin hole which are respectively matched with the guide pillar and the ejector pin are arranged in the lower die, and the ejector pin hole and the feeding channel are arranged in an intersecting manner; the upper die and the lower die are provided with matched guide bolts, the guide bolts are sleeved with pressure springs, and the pressure springs are located between the upper die and the lower die.

2. The clamp spring end punching die based on the plate machine as claimed in claim 1, wherein the fixing mechanism adopts a clamping block, the clamping block is positioned in the lower die, the clamping block is fixedly connected with a bolt of the lower die, and a limiting groove matched with the core nozzle is formed in the upper side of the clamping block.

3. The circlip end punching die based on the plate machine as claimed in claim 1, characterized in that the end mouth is made of tungsten steel.

4. The clamp spring end punching die based on the plate machine as claimed in claim 1, wherein the guide post is provided with two pieces which are symmetrically arranged about the ejector pin, the ejector pin and the guide post are positioned on the same plane, and the guide post and the ejector pin are arranged in parallel.

5. The clamp spring end punching die based on the plate making machine is characterized in that the guide bolts penetrate through the upper die and are fixed with the lower die in a threaded mode, four groups of guide bolts and compression springs are arranged, and the four groups of bolts are located on the four corners of the upper die respectively.

6. The clamp spring end punching die based on the plate machine as claimed in claim 1 or 4, wherein a bottom plate is fixedly arranged at the upper end of the pressing plate and is arranged corresponding to the guide posts; the thimble runs through the mould setting, and thimble upper end and last mould upper end are equipped with complex step portion and step groove.

7. The clamp spring end punching die based on the plate machine as claimed in claim 1, wherein a reinforcing fixing plate is arranged at the lower end of the lower die, and the reinforcing fixing plate is fixedly connected with the lower die and the clamping block respectively through screws.