CN214977203U

CN214977203U - Guide pillar for automobile structural part stamping die

Info

Publication number: CN214977203U
Application number: CN202120387548.1U
Authority: CN
Inventors: 代永良
Original assignee: Kunshan Longrui Precision Mould Co ltd
Current assignee: Kunshan Longrui Precision Mould Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-12-03
Anticipated expiration: 2031-02-22

Abstract

The utility model relates to a stamping die technical field just discloses a guide pillar for automobile structure stamping die, including die holder and upper die base, the die holder is connected with the guide pillar through set screw, the side surface threaded connection of guide pillar has the sleeve pipe, the sleeve pipe has the rotation nozzle stub through annular limiting plate connection, the top fixedly connected with annular slab of rotation nozzle stub, the top fixedly connected with guide spring of annular slab. This automobile structure guide pillar for stamping die, through the die holder, the guide pillar, the sleeve pipe, rotate the nozzle stub, the annular slab, guide spring, mutually support between roll cover and the guide pin bushing, can drive the annular slab through twisting the rotation nozzle stub and reciprocate, thereby compress guide spring, and then play the effect that changes guide spring elasticity, reached the effect of being convenient for adjust guide spring's elasticity, solved current guide spring elasticity and weakened the back, inconvenient problem of adjusting it.

Description

Guide pillar for automobile structural part stamping die

Technical Field

The utility model relates to a stamping die technical field specifically is a guide pillar for automobile structure stamping die.

Background

The guide pillar is a guide element which plays a role in accurate positioning when the die is closed and is used for guiding the stroke of the die, bearing steel, hot die steel or easy turning iron and the like are generally selected for manufacturing, and the guide pillar can be divided into a sliding guide pillar and a rolling guide pillar according to the guide direction, wherein the rolling guide pillar comprises a guide sleeve, a guide pillar, a spring, a ball guide sleeve and the like.

Guide pillar when among an automobile structure stamping die is the rolling guide pillar, at the in-process of production automobile structure component, the drift can be cut towards panel, the guide pillar also can take place relative displacement with the guide pin bushing simultaneously, thereby lead to guide spring constantly flexible, after guide spring is flexible certain number of times, guide spring's elasticity can weaken because stress relaxes, the ball guide pin bushing also is difficult to maintain the normal position, if carry out the compound die punching press again this moment, the clearance between guide pillar and the guide pin bushing can increase very likely, thereby make the location the deviation appear, and then the product that leads to cutting out is the waste product.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an automobile structure is guide pillar for stamping die possesses the advantage of being convenient for adjust to guide spring's elasticity, has solved current guide spring elasticity and has weakened the back, inconvenient problem of adjusting it.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile structure guide pillar for stamping die, includes die holder and upper die base, the die holder is connected with the guide pillar through set screw, the side surface threaded connection of guide pillar has the sleeve pipe, the sleeve pipe is connected with the rotation nozzle stub through annular limiting plate, the top fixedly connected with annular slab of rotation nozzle stub, the top fixedly connected with guide spring of annular slab, the roll cover has been cup jointed in the side surface activity of guide pillar, the bottom fixedly connected with guide pin bushing of upper die base, the side surface of roll cover and the inside swing joint of guide pin bushing, the top fixedly connected with baffle of guide pillar.

Preferably, the inner part of the lower die holder and the bottom end of the guide pillar are both provided with connecting holes, and the side surface of the fixing screw is in threaded connection with the inner part of the connecting hole.

Preferably, the upper die holder is internally provided with a positioning hole, and the side surface of the guide pillar is movably connected with the inside of the positioning hole.

Preferably, the top end of the sleeve is fixedly connected with the bottom of the annular limiting plate, an annular limiting groove is formed in the sleeve, and the annular limiting plate is located inside the annular limiting groove.

Preferably, the inside of the lower die holder is connected with a sealing tube, the top end of the sealing tube is in threaded connection with a pressure tube, and the inner wall of the pressure tube is fixedly connected with a sealing rubber ring.

Preferably, the top of the lower die base is provided with an annular thread groove, and the side surface of the sealing tube is in threaded connection with the inside of the annular thread groove.

Compared with the prior art, the utility model provides an automobile structure spare guide pillar for stamping die possesses following beneficial effect:

1. this automobile structure guide pillar for stamping die, through the die holder, the guide pillar, the sleeve pipe, rotate the nozzle stub, the annular slab, guide spring, mutually support between roll cover and the guide pin bushing, can drive the annular slab through twisting the rotation nozzle stub and reciprocate, thereby compress guide spring, and then play the effect that changes guide spring elasticity, reached the effect of being convenient for adjust guide spring's elasticity, solved current guide spring elasticity and weakened the back, inconvenient problem of adjusting it.

2. This automobile structure is guide pillar for stamping die through the lower bolster, guide pin bushing, sealed tube, pinch the pipe and the sealed rubber ring between mutually supporting, has reached and has reduced outside dust and has got into the inside effect of roll cover, has solved and has got into the roll cover when a large amount of debris or dust, can influence production precision and mould life's problem.

Drawings

FIG. 1 is a partial cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

Wherein: 1. a lower die holder; 2. an upper die holder; 3. a guide post; 4. positioning holes; 5. a sleeve; 6. rotating the short pipe; 7. an annular limiting groove; 8. an annular limiting plate; 9. an annular plate; 10. a guide spring; 11. a rolling sleeve; 12. a guide sleeve; 13. a sealing tube; 14. pressing the pipe; 15. sealing the rubber ring; 16. a set screw; 17. a baffle plate; 18. an annular thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a guide post for an automobile structural member stamping die comprises a lower die holder 1 and an upper die holder 2, wherein the lower die holder 1 is a lower half part of a whole pair of stamping dies, the upper die holder 2 is a stamping die part mounted on a stamping head of a press, the lower die holder 1 is connected with guide posts 3 through fixing screws 16, connecting holes are formed in the lower die holder 1 and the bottom ends of the guide posts 3, the side surfaces of the fixing screws 16 are in threaded connection with the inner parts of the connecting holes, the number of the guide posts 3 is four, the guide posts 3 are respectively distributed at four corners of the lower die holder 1, a fixing groove is formed in the top part of the lower die holder 1, the guide posts 3 are located in the fixing grooves, positioning holes 4 are formed in the upper die holder 2, the side surfaces of the guide posts 3 are movably connected with the inner parts of the positioning holes 4, the number of the positioning holes 4 is four, the positioning holes are respectively matched with the four guide posts 3, a sleeve 5 is in threaded connection with the side surfaces of the guide posts 3, the sleeve 5 is movably connected with the inner parts of the fixing groove, the sleeve 5 is connected with the rotating short pipe 6 through the annular limiting plate 8, the top end of the sleeve 5 is fixedly connected with the bottom of the annular limiting plate 8, the inside of the sleeve 5 is communicated with the inside of the annular limiting plate 8, the annular limiting groove 7 is formed in the inside of the sleeve 5, and the inside of the annular limiting groove 7 is communicated with the outside.

The annular limit plate 8 is positioned inside the annular limit groove 7, the side surface of the annular limit plate 8 is movably connected with the inside of the annular limit groove 7, the top end of the rotating short pipe 6 is fixedly connected with an annular plate 9, the top part of the annular plate 9 is fixedly connected with a guide spring 10, the side surface of the guide post 3 is movably sleeved with a rolling sleeve 11, the top part of the rolling sleeve 11 is abutted against the top end of the guide spring 10, the bottom part of the upper die base 2 is fixedly connected with a guide sleeve 12, the side surface of the rolling sleeve 11 is movably connected with the inside of the guide sleeve 12, the annular plate 9, the guide spring 10, the rolling sleeve 11 and the guide sleeve 12 are mutually matched through screwing the rotating short pipe 6 to drive the annular plate 9 to move up and down, so as to compress the guide spring 10 and further play a role in changing the elasticity of the guide spring 10, and achieve the effect of conveniently adjusting the elasticity of the guide spring 10, the problem of current guide spring 10 elasticity weaken the back, inconvenient adjust it is solved.

The interior of the lower die holder 1 is connected with a sealing tube 13, the top end of the sealing tube 13 is in threaded connection with a pressure tube 14, when the upper die holder 2 descends to the lowest point, the top end of the pressure tube 14 is not in contact with the bottom of the upper die holder 2, the inner wall of the pressure tube 14 is fixedly connected with a sealing rubber ring 15, the side surface of the guide sleeve 12 is movably connected with the inner wall of the sealing rubber ring 15, the inner wall of the sealing rubber ring 15 is tightly attached to the side surface of the guide sleeve 12, the sealing rubber ring 15 can play a sealing role in the up-and-down moving process of the guide sleeve 12 so as to prevent dust from entering the interior of the sealing tube 13, the top of the lower die holder 1 is provided with an annular thread groove 18, the side surface of the sealing tube 13 is in threaded connection with the interior of the annular thread groove 18, the top end of the guide post 3 is fixedly connected with a baffle 17, the baffle 17 is in a circular plate shape, the diameter of the circular plate is larger than the outer diameter of the rolling sleeve 11, and passes through the lower die holder 1 and the guide sleeve 12, The mutual cooperation between sealed pipe 13, the pressure pipe 14 and the rubber sealing ring 15 has reached and has reduced outside dust and get into the inside effect of rolling cover 11, has solved when a large amount of debris or dust get into rolling cover 11, can influence production precision and mould life's problem.

When the guide spring 10 is used, if the elastic force caused by stress relaxation is reduced due to too many repeated compression times, the punch is controlled to contract at this moment, the upper die base 2 is lifted, the sealing tube 13 is screwed anticlockwise, the sealing tube 13 is separated from the annular thread groove 18, the rotating short tube 6 is screwed anticlockwise, the annular plate 9 is driven to move upwards by rotating the short tube 6, the guide spring 10 is compressed, the elastic force of the guide spring 10 is increased, the sealing tube 13 is connected with the lower die base 1 in a threaded manner again after the guide spring 10 is compressed to a certain length, and finally the punch is controlled to press downwards, so that the side surface of the guide sleeve 12 is movably connected with the inside of the sealing tube 13 again, and the elastic force adjusting work of the guide spring 10 is completed at this moment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a guide pillar for automobile structure stamping die, includes die holder (1) and upper die base (2), its characterized in that: the die holder (1) is connected with a guide pillar (3) through a fixing screw (16), the side surface of the guide pillar (3) is in threaded connection with a sleeve (5), the sleeve (5) is connected with a rotating short pipe (6) through an annular limiting plate (8), the top end of the rotating short pipe (6) is fixedly connected with an annular plate (9), the top of the annular plate (9) is fixedly connected with a guide spring (10), the side surface of the guide pillar (3) is movably sleeved with a rolling sleeve (11), the bottom of the upper die holder (2) is fixedly connected with a guide sleeve (12), the side surface of the rolling sleeve (11) is movably connected with the inner part of the guide sleeve (12), and the top end of the guide pillar (3) is fixedly connected with a baffle (17).

2. The guide post for the stamping die of the automobile structural part as claimed in claim 1, wherein: connecting holes are formed in the inner part of the lower die holder (1) and the bottom end of the guide post (3), and the side surface of the fixing screw (16) is in threaded connection with the inner part of the connecting hole.

3. The guide post for the stamping die of the automobile structural part as claimed in claim 1, wherein: the die comprises an upper die holder (2) and a guide post (3), wherein the upper die holder is provided with a positioning hole (4), and the side surface of the guide post (3) is movably connected with the inside of the positioning hole (4).

4. The guide post for the stamping die of the automobile structural part as claimed in claim 1, wherein: the top end of the sleeve (5) is fixedly connected with the bottom of the annular limiting plate (8), an annular limiting groove (7) is formed in the sleeve (5), and the annular limiting plate (8) is located in the annular limiting groove (7).

5. The guide post for the stamping die of the automobile structural part as claimed in claim 1, wherein: the inner part of the lower die holder (1) is connected with a sealing tube (13), the top end of the sealing tube (13) is in threaded connection with a pressure tube (14), and the inner wall of the pressure tube (14) is fixedly connected with a sealing rubber ring (15).

6. The guide post for the stamping die of the automobile structural part as claimed in claim 5, wherein: an annular thread groove (18) is formed in the top of the lower die base (1), and the side surface of the sealing tube (13) is in threaded connection with the inside of the annular thread groove (18).