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CN-224231002-U - Stable stride spy mistake needle structure

CN224231002UCN 224231002 UCN224231002 UCN 224231002UCN-224231002-U

Abstract

A stable step distance error detection needle structure comprises a guide pin, a sliding type plug pin, springs and an inductor, wherein the guide pin is movably arranged in a first through hole and a second through hole of an upper die, the guide pin comprises a first section, a second section and a third section which are integrally formed, the diameter of the first section is larger than that of the second section, the first section is limited through a step between the first through hole and the second through hole, the springs are arranged above the guide pin in the first through hole, the second section is provided with an annular groove, two sides of the annular groove are arc-shaped, the sliding type plug pin is movably arranged in the third through hole, one end of the sliding type plug pin is arc-shaped, the end of the sliding type plug pin is positioned in the annular groove of the second section, the inductor is arranged below the upper die, and the inductor is positioned at the other end of the sliding type plug pin. According to the utility model, the step distance error probe structure is arranged in the upper die, so that the sample discharging width of the product material belt is reduced, the material utilization rate is improved, the die space is saved, and the cost and the die manufacturing difficulty are reduced in the structural design process.

Inventors

  • ZHANG WENWU
  • CHENG SHENGQIAN

Assignees

  • 无锡华尔斯科技有限公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (10)

  1. 1. A stable step-probe structure, applied in a mould comprising an upper mould (100) and a lower mould (200), characterized in that the step-probe structure comprises: A guide pin (500), a sliding latch (600), a spring (400) and an inductor (700); The upper die (100) is provided with a first through hole (110) and a second through hole (120), the diameter of the first through hole (110) is larger than that of the second through hole (120), the lower die (200) is provided with a fourth through hole (210), the central lines of the first through hole (110), the second through hole (120) and the fourth through hole (210) are overlapped, the upper die (100) is also provided with a third through hole (150) which is communicated with the second through hole (120) in a crossing way, and a step is arranged between the first through hole (110) and the second through hole (120); The guide pin (500) is movably arranged in the first through hole (110) and the second through hole (120), the guide pin (500) comprises a first section (510), a second section (520) and a third section (530) which are integrally formed, the diameter of the first section (510) is larger than that of the second section (520), the first section (510) is limited by a step between the first through hole (110) and the second through hole (120), and a spring (400) is arranged above the guide pin (500) in the first through hole (110); The second section (520) is provided with an annular groove, two sides of the annular groove are arc-shaped, the sliding bolt (600) is movably arranged in the third through hole (150), one end of the sliding bolt (600) is arc-shaped, the end is positioned in the annular groove of the second section (520), the inductor (700) is arranged below the upper die (100), and the inductor (700) is positioned at the other end of the sliding bolt (600).
  2. 2. A stable stride detection probe structure according to claim 1 wherein the top of the first through hole (110) is provided with internal threads in which a stop-cock (300) is matingly disposed.
  3. 3. The stable stride detecting error needle structure of claim 1, wherein a product material strip (800) is disposed above the lower die (200), and the product material strip (800) is provided with a stride process hole.
  4. 4. The stable stride detecting error needle structure of claim 3, wherein the sensor (700) is fixedly connected with the upper die (100) through the connecting block (130), the upper die (100) is further provided with a guide tube (140), and the connecting block (130) and the guide tube (140) are respectively arranged at two sides of the bottom of the upper die (100).
  5. 5. A stable stride detecting error structure according to claim 4, wherein the lower die (200) is provided with a guide post (220), and the guide post (220) is movably disposed in the guide tube (140).
  6. 6. A stable stride probe structure according to any one of claims 2 to 5 wherein the second section (520) has a diameter greater than the diameter of the third section (530), the second section (520) and the third section (530) being connected by arcuate sections.
  7. 7. A stable stride probe structure according to claim 1 wherein the annular groove is disposed at an end of the second section (520) adjacent the first section (510).
  8. 8. A stable stride probe structure according to any one of claims 3, 5, and 7 wherein the spring (400) is in a compressed state and the spring (400) is capable of being continuously compressed before the upper die (100) and the lower die (200) are clamped.
  9. 9. A stable stride probe structure according to claim 1 wherein the spring (400) is a rectangular spring.
  10. 10. A stable stride probe structure according to claim 9 wherein the sensor (700) is a push-down sensor and has a spring back pressure.

Description

Stable stride spy mistake needle structure Technical Field The utility model relates to the technical field of dies, in particular to a stable step distance probe error structure. Background In recent years, with the increasing competition of the automobile market, various automobile manufacturers aim at covering parts and related stamping parts of the automobiles in the direction of developing and researching novel automobile types, and the following general products are called products, the products tend to be complicated, high in strength and high in yield, the quality requirements on the products are also higher and higher, and the corresponding requirements on die manufacturing are also improved to a great extent, so that in the die production and manufacturing process, the simplification and the low cost of the die are particularly important. The existing progressive die step distance sensing device is arranged on the outer side of a material belt, a notch is punched on one side of the material belt and is used as an anti-false-delivery sensing notch, in the production process, after the material belt advances by one step distance, if the sensing notch is just attached to the sensing device, the sensing alarm is not touched, namely, the material belt is proved to advance correctly, otherwise, the material belt is proved to advance incorrectly, and the press stops working after sensing signal transmission. The existing step-distance sensing device has the following defects that a sensing notch is required to be punched in advance, a material belt is required to be widened under the condition that the quality of a workpiece is not affected, the utilization rate of materials is reduced, a cutting punch part is required to be added, the working steps of a die are increased, the manufacturing cost of the die is increased, the existing step-distance sensing device is in a sliding type sensing structure, a return force source is a small-stroke spring, the sensing is easy to be blocked in the working process, the sensing is invalid, and even potential safety hazards occur in the production process of the workpiece. For this reason, we propose a stable stride probe structure. Disclosure of utility model The inventor provides a stable step-distance probe structure aiming at the defects in the prior art, so that the step-distance probe structure is arranged in an upper die, the sample discharging width of a product material belt is reduced, the material utilization rate is improved, the die space is saved, and the cost and the die manufacturing difficulty are reduced in the structural design process. The technical scheme adopted by the utility model is as follows: a stable step distance probe error structure is applied to a die, the die comprises an upper die and a lower die, and the step distance probe error structure comprises: the device comprises a guide pin, a sliding bolt, a spring and an inductor; The upper die is provided with a first through hole and a second through hole, the diameter of the first through hole is larger than that of the second through hole, the lower die is provided with a fourth through hole, and the central lines of the first through hole, the second through hole and the fourth through hole are overlapped; the upper die is also provided with a third through hole which is communicated with the second through hole in an intersecting way, and a step is arranged between the first through hole and the second through hole; The guide pin is movably arranged in the first through hole and the second through hole, and comprises a first section, a second section and a third section which are integrally formed, wherein the diameter of the first section is larger than that of the second section; The second section is provided with the ring channel, and the both sides of ring channel are the arc, and the activity of slidingtype bolt sets up in the third through hole, and the one end of slidingtype bolt is the arc, and this end is in the ring channel of second section, and the inductor sets up in last mould below, and the inductor is in the other end of slidingtype bolt. It is further characterized by: The top of the first through hole is provided with an internal thread, and a stop-thread plug is arranged in the internal thread in a matching way. The product material belt is positioned above the lower die, and is provided with step process holes. The inductor is fixedly connected with the upper die through a connecting block, the upper die is further provided with guide pipes, and the connecting block and the guide pipes are respectively arranged on two sides of the bottom of the upper die. The lower die is provided with a guide post which is movably arranged in the guide pipe. The diameter of the second section is larger than that of the third section, and the second section and the third section are connected through the arc-shaped section. The annular groove is arranged at one end of the second