CN219151355U

CN219151355U - Guide post and guide sleeve structure of stamping die

Info

Publication number: CN219151355U
Application number: CN202320315080.4U
Authority: CN
Inventors: 潘旭华
Original assignee: Zhejiang Yawei Precision Machine Tool Co Ltd
Current assignee: Zhejiang Yawei Precision Machine Tool Co Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-09
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a guide post and guide sleeve structure of a stamping die, which belongs to the technical field of dies and is arranged on a stamping die assembly, wherein the stamping die assembly comprises an upper die, a lower die, an upper positioning plate, a lower positioning plate and a stripper plate; the guide post and guide sleeve structure comprises a guide sleeve, a guide post and a discharging guide sleeve, wherein the guide sleeve and the guide post are respectively provided with an outer circle positioning section, the guide post also comprises a sliding positioning section, the guide sleeve also comprises a guide section, and a guide hole matched with the sliding positioning section in a guiding way is formed in the guide sleeve; an upper positioning hole is formed in the upper positioning plate, and a lower positioning hole is formed in the lower positioning plate; the discharging guide sleeve comprises a discharging outer circle section, the discharging outer circle section is matched with a discharging positioning hole formed in a discharging plate, and a guide through hole matched with the guide section of the guide sleeve in a guiding mode is formed in the discharging outer circle section. The utility model not only improves the stability of the guide post, but also improves the connection strength of the guide sleeve and the discharging guide sleeve, thereby avoiding the collision between the punch hole and the punch.

Description

Guide post and guide sleeve structure of stamping die

Technical Field

The utility model belongs to the technical field of dies, and particularly relates to a guide post and guide sleeve structure of a stamping die.

Background

The guide post and guide sleeve for the stamping die and the stamping compound die, particularly the progressive die, generally has two functions of guiding an upper die and a lower die and guiding a spring stripper plate, wherein the stripper plate is guided by an inner guide post and an inner guide sleeve, so that the stamping die needs an inner guide mechanism and an outer guide mechanism. And because of space reasons, the connection of the guide post and the die holder simultaneously completes the functions of positioning and compressing by the interference fit of the guide section, so that the stability of the guide post is poor. And the guide sleeve arranged on the upper die and the guide sleeve of the stripper plate are respectively matched and guided with the guide post arranged on the lower die, when the die is disassembled, the punch hole on the stripper plate is easy to collide with the punch, so that the punch is damaged or even broken. For this purpose, we provide a guide post and guide sleeve structure of the die.

Disclosure of Invention

The utility model aims to provide a guide post and guide sleeve structure of a stamping die, which not only improves the stability of a guide post, but also improves the connection strength of the guide sleeve and the discharge guide sleeve by guiding and adapting the discharge guide sleeve and the guide sleeve, and can prevent a punch hole from colliding with a punch when the stamping die is disassembled so as to protect the punch.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the guide post and guide sleeve structure of the stamping die is arranged on a stamping die assembly, the stamping die assembly comprises an upper die with an upper die holder, a lower die with a lower die holder, an upper positioning plate assembled on the upper die holder and a lower positioning plate assembled on the lower die holder, and a discharging plate for discharging is arranged between the upper positioning plate and the lower positioning plate; the guide post and guide sleeve structure comprises a guide sleeve arranged on the upper die holder, a guide post arranged on the lower die holder and a discharge guide sleeve arranged on the discharge plate, wherein the guide sleeve and the guide post are both provided with an outer circle positioning section, the guide post also comprises a sliding positioning section, the guide sleeve also comprises a guide section, and a guide hole matched with the sliding positioning section in a guiding way is formed in the guide sleeve; an upper positioning hole in transition fit with the outer circular positioning section of the guide sleeve is formed in the upper positioning plate, and a lower positioning hole in transition fit with the outer circular positioning section of the guide post is formed in the lower positioning plate; the discharging guide sleeve comprises a discharging outer circle section, the discharging outer circle section is matched with a discharging positioning hole formed in the discharging plate, and a guide through hole matched with the guide section of the guide sleeve in a guiding mode is formed in the discharging outer circle section.

Preferably, the upper die comprises a punch head arranged below the upper die base, the lower die comprises a female die arranged on the upper surface of the lower die base, a plurality of holes matched with the punch head are formed in the female die, the punch heads are arranged in one-to-one correspondence with the holes, and the upper die base and the lower die base are arranged in a guiding and sliding manner through the guide sleeve and the guide pillar respectively.

Preferably, a sub-positioning plate with the shape consistent with that of the female die is correspondingly arranged on the lower surface of the upper die holder, a plurality of mounting holes are formed in the sub-positioning plate, and a plurality of punches are respectively mounted in the mounting holes.

Preferably, an upper positioning notch is formed in the upper positioning plate, and the sub-positioning plates are arranged in the upper positioning notch in a transition fit manner; the lower locating plate is provided with a lower locating notch, and the female die is arranged in the notch of the lower locating plate in a transition fit manner.

Preferably, the outer circle positioning section of the guide sleeve is in threaded connection with the upper die holder, and the outer circle positioning section of the guide pillar is in threaded connection with the lower die holder.

Preferably, the unloading guide sleeve further comprises an unloading positioning section arranged at the bottom of the unloading outer circle section, and the unloading positioning section is attached to the lower surface of the unloading plate and is in threaded connection with the unloading plate; the guide through hole penetrates through the unloading positioning section.

Preferably, the stripper plate is movably connected with the upper die holder through an adjusting piece, and a compression spring is fixedly arranged on the stripper plate, and is sleeved outside the adjusting piece and the top end of the compression spring is connected with the upper positioning plate.

Preferably, the outer part of the sliding positioning section of the guide post is sleeved with a first retaining sleeve, a plurality of first balls are embedded on the first retaining sleeve, and the sliding positioning section and the guide hole are in rolling sliding arrangement through the plurality of first balls.

Preferably, a second retaining sleeve is sleeved outside the guide section of the guide sleeve, a plurality of second balls are embedded on the second retaining sleeve, and the guide section and a guide through hole of the discharging guide sleeve are in rolling sliding arrangement through the plurality of second balls.

Compared with the prior art, the utility model has the beneficial effects that: the stability of the guide post is improved by arranging the outer circle positioning section of the guide post, and by enabling the outer circle positioning section of the guide post to be in threaded connection with the lower die holder and in transitional fit with the lower positioning hole of the lower positioning plate; through carrying out the direction adaptation with guide bushing of unloading uide bushing and guide bushing, improved guide bushing and the joint strength of unloading uide bushing, when dismantling the die mould, can avoid punch hole and punch to bump to play the effect of protection drift.

Drawings

Fig. 1 is an exploded view of example 1 of the present utility model.

Fig. 2 is a structural matching diagram of guide posts and guide sleeves in embodiment 1 of the present utility model.

Fig. 3 is an exploded view of embodiment 2 of the present utility model.

In the figure: 1. an upper die holder; 2. a lower die holder; 3. dividing and positioning plates; 4. a female die; 5. a punch; 6. a shaped hole; 71. an outer circle positioning section; 72. sliding the positioning section; 81. a guide section; 82. a guide hole; 9. an upper positioning plate; 10. a lower positioning plate; 11. an upper positioning hole; 12. a lower positioning hole; 13. an upper positioning notch; 14. a lower positioning notch; 15. a stripper plate, 161, and a stopper; 162. a smooth section; 163. a threaded section; 171. discharging the outer circle section; 172. a discharging positioning section; 18. a guide through hole; 19. a punch hole; 20. a compression spring; 21. a first retaining sleeve; 22. a second retaining sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 and 2, the present utility model provides a guide post and guide sleeve structure of a die, which is arranged on a die assembly, wherein the die assembly comprises an upper die and a lower die, the upper die comprises an upper die holder 1 and a punch 5 arranged below the upper die holder 1, specifically, the lower surface of the upper die holder 1 is provided with a sub-positioning plate 3, the sub-positioning plate 3 is provided with a mounting hole (not shown in the figure), and a plurality of punches 5 are mounted in the mounting hole; the lower die comprises a lower die holder 2 and a female die 4 arranged above the lower die holder 2, and particularly, the female die 4 is arranged on the upper surface of the lower die holder 2; the female die 4 is consistent with the shape of the sub-positioning plate 3, a plurality of holes 6 matched with the punches 5 are formed in the female die 4, and the punches 5 and the holes 6 are arranged in one-to-one correspondence. In this embodiment, the number of the positioning plates 3 is 3, and the 3 positioning plates 3 are arranged on the upper die holder 1, and correspondingly, the number of the dies 4 is 3.

The die assembly further comprises an upper positioning plate 9 assembled on the upper die holder 1 and a lower positioning plate 10 assembled on the lower die holder 2, an upper positioning notch 13 is formed in the upper positioning plate 9, and the split positioning plates 3 are arranged in the upper positioning notch 13 in a transition fit manner; the lower locating plate 10 is provided with a lower locating notch 14, and the female die 4 is arranged in the lower locating notch 14 in a transition fit manner. In the present embodiment, the number of the upper positioning notches 13 is 3, and the number of the lower positioning notches 14 is 3. The upper locating plate 9 and the lower locating plate 10 respectively locate the punch 5 and the die 4 in a plane perpendicular to the moving direction of the upper die, and the arrangement avoids the problems of complex flow, complex process and low efficiency caused by adjusting the gap between the die 4 and the punch 5 and the guide sleeve glue pouring operation, thereby simplifying the working procedure and improving the efficiency.

The upper positioning plate 9 and the lower positioning plate 10 are provided with a stripper plate 15 for unloading, the stripper plate 15 is movably connected with the upper die holder 1 through an adjusting piece, the adjusting piece comprises a vertical rod inserted in the upper die holder 1 and a limiting part 161 arranged at the top of the vertical rod and positioned on the upper surface of the upper die holder 1 and used for limiting, the vertical rod comprises a smooth section 162 and a threaded section 163 connected with the smooth section 162, the smooth section 162 is in clearance insertion with the upper die holder 1 and the upper positioning plate 9, the threaded section 163 is in threaded connection with the stripper plate 15, and the relative distance between the stripper plate 15 and the upper positioning plate 9 can be adjusted through the threaded section 163. And compression springs 20 are fixedly arranged on the stripper plate 15, the compression springs 20 are sleeved outside the vertical rods of the adjusting piece, and the top ends of the compression springs are connected with the lower surface of the upper positioning plate 9. In order to be convenient for unload, offer a plurality of punch holes 19 that can supply punch 5 to wear to establish on the stripper 15, a plurality of punch holes 19 set up with a plurality of punch 5 one-to-one and the internal diameter of every punch hole 19 all is greater than the external diameter of punch 5, this kind of setting can prevent that punch 5 from wearing to establish the in-process of punch hole 19 and having frictional force with punch hole 19 in order to avoid influencing the work of punch 5.

The guide post and guide sleeve structure comprises a guide sleeve arranged on the upper die holder 1, a guide post arranged on the lower die holder 2 and a discharge guide sleeve arranged on the discharge plate 15, wherein the guide post and the guide sleeve are respectively provided with an outer circle positioning section 71, the outer circle positioning section 71 of the guide sleeve is in threaded connection with the upper die holder 1, namely, the outer circle positioning section 71 of the guide sleeve is connected with the upper die holder 1 through a bolt; the outer circle positioning section 71 of the guide pillar is in threaded connection with the lower die holder 2, namely, the outer circle positioning section 71 of the guide pillar is connected with the lower die holder 2 through bolts, and the arrangement improves the stability of the guide pillar. The guide post further comprises a sliding positioning section 72, and specifically, the sliding positioning section 72 extends upwards from the middle of the outer circle positioning section 71 of the guide post; the guide sleeve further comprises a guide section 81, specifically, the guide section 81 extends downwards from the middle of the outer circle positioning section 71 of the guide sleeve, a guide hole 82 in sliding guide fit with the sliding positioning section 72 is formed in the guide sleeve, and the guide hole 82 penetrates through the upper die holder 1 for facilitating sliding guide fit. In addition, an upper positioning hole 11 in transition fit with the outer circular positioning section 71 of the guide sleeve is formed in the upper positioning plate 9, and a lower positioning hole 12 in transition fit with the outer circular positioning section 71 of the guide post is formed in the lower positioning plate 10. Because the outer diameters of the outer circle positioning section 71 of the guide pillar and the outer circle positioning section 71 of the guide sleeve are consistent, namely the inner diameters of the upper positioning hole 11 and the lower positioning hole 12 are correspondingly consistent, the upper positioning plate 9 and the lower positioning plate 10 can be overlapped and processed simultaneously.

The discharging guide sleeve arranged on the discharging plate 15 comprises a discharging outer circle section 171 and a discharging positioning section 172 arranged at the bottom of the discharging outer circle section 171, a discharging positioning hole (not shown in the figure) is formed in the discharging plate 15, the discharging outer circle section 171 is matched with the discharging positioning hole, a guide through hole 18 which is in sliding guide fit with the guide section 81 of the guide sleeve is formed in the discharging outer circle section 171, and the guide through hole 18 penetrates through the discharging positioning section 172. Through carrying out the direction adaptation with the guide bushing of unloading, improved guide bushing and the joint strength of guide bushing of unloading, when dismantling the die mould, can avoid punch hole 19 to collide with drift 5 to play the effect of protection drift 5. And in order to strengthen the connection structure of the unloading guide sleeve, the unloading positioning section 172 is attached to the lower surface of the unloading plate 15 and is in threaded connection with the unloading plate 15, that is, the unloading positioning section 172 is connected with the unloading plate 15 through bolts.

The working principle of the embodiment is as follows: the method comprises the steps that a sub-positioning plate 3 is arranged on the lower surface of an upper die holder 1, a female die 4 is arranged on the upper surface of a lower die holder 2, a guide sleeve is arranged on the periphery of the upper die holder 1, and a guide pillar is arranged on the periphery of the lower die holder 2; the upper positioning notch 13 of the upper positioning plate 9 is in transition fit with the sub positioning plate 3, the upper positioning hole 11 of the upper positioning plate 9 is in transition fit with the outer circular positioning section 71 of the guide sleeve, and at the moment, the unloading plate 15 connected with the upper positioning plate 9 through the compression spring 20 is connected with the upper die holder 1 through an adjusting piece; the lower positioning notch 14 of the lower positioning plate 10 is arranged in transition fit with the female die 4, and the lower positioning hole 12 of the lower positioning plate 10 is arranged in transition fit with the outer circle positioning section 71 of the guide post; finally, the guide post is matched with the guide sleeve in a sliding guide way, and the guide sleeve is matched with the discharging guide sleeve in a sliding guide way.

Example 2

This embodiment differs from embodiment 1 in that: in this embodiment, the guide post is provided with a first retaining sleeve 21, specifically, the first retaining sleeve 21 is sleeved outside the sliding positioning section 72 of the guide post, and a plurality of first balls (not shown in the figure) are embedded on the first retaining sleeve 21, and the sliding positioning section 72 is in rolling sliding arrangement with the guiding hole 82 of the guide sleeve through the plurality of first balls. In addition, the guide sleeve is provided with a second retaining sleeve 22, specifically, the second retaining sleeve 22 is sleeved outside the guide section 81 of the guide sleeve, a plurality of second balls (not shown in the figure) are embedded on the second retaining sleeve 22, and the guide section 81 of the guide sleeve and the guide through hole 18 of the discharge guide sleeve are in rolling sliding arrangement through the plurality of second balls.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a guide pillar guide pin bushing structure of die, its setting is on the die assembly, the die assembly includes the upper die that has upper die base (1) and has the lower mould of die holder (2), its characterized in that: the die assembly further comprises an upper locating plate (9) assembled on the upper die holder (1) and a lower locating plate (10) assembled on the lower die holder (2), and a stripper plate (15) for unloading is arranged between the upper locating plate (9) and the lower locating plate (10); the guide post and guide sleeve structure comprises a guide sleeve arranged on an upper die holder (1), a guide post arranged on a lower die holder (2) and a discharging guide sleeve arranged on a discharging plate (15), wherein the guide sleeve and the guide post are both provided with an outer circle positioning section (71), the guide post also comprises a sliding positioning section (72), the guide sleeve also comprises a guide section (81), and a guide hole (82) in guide fit with the sliding positioning section (72) is formed in the guide sleeve; an upper positioning hole (11) in transition fit with the outer circular positioning section (71) of the guide sleeve is formed in the upper positioning plate (9), and a lower positioning hole (12) in transition fit with the outer circular positioning section (71) of the guide pillar is formed in the lower positioning plate (10); the discharging guide sleeve comprises a discharging outer circle section (171), the discharging outer circle section (171) is matched with a discharging positioning hole formed in the discharging plate (15), and a guide through hole (18) matched with the guide section (81) of the guide sleeve in a guiding manner is formed in the discharging outer circle section (171).

2. The guide post and guide sleeve structure of a die as set forth in claim 1, wherein: the upper die comprises a punch (5) arranged below an upper die base (1), the lower die comprises a female die (4) arranged on the upper surface of a lower die base (2), a plurality of forming holes (6) matched with the punch (5) are formed in the female die (4), the punch (5) and the forming holes (6) are arranged in one-to-one correspondence, and the upper die base (1) and the lower die base (2) are arranged in a guiding sliding mode through guide sleeves and guide columns respectively.

3. The guide post and guide sleeve structure of a die as claimed in claim 2, wherein: the die comprises an upper die holder (1), and is characterized in that a sub-positioning plate (3) with the same shape as the female die (4) is correspondingly arranged on the lower surface of the upper die holder (1), a plurality of mounting holes are formed in the sub-positioning plate (3), and a plurality of punches (5) are respectively mounted in the mounting holes.

4. A guide post and guide sleeve structure for a die as claimed in claim 3, wherein: an upper positioning notch (13) is formed in the upper positioning plate (9), and the sub-positioning plates (3) are arranged in the upper positioning notch (13) in a transition fit manner; the lower locating plate (10) is provided with a lower locating notch (14), and the female die (4) is arranged in the notch of the lower locating plate (10) in a transition fit manner.

5. The guide post and guide sleeve structure of a die as claimed in claim 2, wherein: the outer circle positioning section (71) of the guide sleeve is in threaded connection with the upper die holder (1), and the outer circle positioning section (71) of the guide pillar is in threaded connection with the lower die holder (2).

6. The guide post and guide sleeve structure of a die as set forth in claim 1, wherein: the discharging guide sleeve further comprises a discharging positioning section (172) arranged at the bottom of the discharging outer circle section (171), and the discharging positioning section (172) is attached to the lower surface of the discharging plate (15) and is in threaded connection with the discharging plate (15); the guide through hole (18) penetrates through the unloading positioning section (172).

7. The guide post and guide sleeve structure of a die as set forth in claim 1, wherein: the stripper plate (15) is movably connected with the upper die holder (1) through an adjusting piece, a compression spring (20) is fixedly arranged on the stripper plate (15), and the compression spring (20) is sleeved outside the adjusting piece and is connected with the upper locating plate (9) at the top end.

8. The guide post and guide sleeve structure of a die as set forth in claim 1, wherein: the outside cover of the slip location section (72) of guide pillar is equipped with first retaining sleeve (21), it is equipped with a plurality of first balls to inlay on the first retaining sleeve (21), slip location section (72) through these a plurality of first balls with guiding hole (82) are the slip setting of rolling.

9. The guide post and guide sleeve structure of a die as set forth in claim 1, wherein: the guide section (81) of the guide sleeve is externally sleeved with a second retaining sleeve (22), a plurality of second balls are embedded in the second retaining sleeve (22), and the guide section (81) is in rolling sliding arrangement with a guide through hole (18) of the discharging guide sleeve through the plurality of second balls.