CN220880227U - Stamping die with guide structure - Google Patents

Abstract

The utility model belongs to the technical field of die processing, and particularly relates to a stamping die with a guide structure, which comprises a lower die assembly and an upper die assembly; the guide assembly comprises a guide sleeve which is arranged on one side of the lower die assembly or the upper die assembly, and the guide sleeve is in clearance fit with the lower die assembly or the upper die assembly; the guide post is configured on one side of the upper die assembly or the lower die assembly, the guide sleeve is in clearance fit with the lower die assembly or the upper die assembly, and the guide post is matched with the guide sleeve; the stamping die with the guide structure further comprises a first locking component and a second locking component which are respectively used for locking the guide sleeve and the guide pillar; the first locking assembly and the second locking assembly are respectively arranged on the lower die assembly and the upper die assembly, and are locked by fasteners; when the guide sleeve and the guide post are replaced, only the first locking component and the second locking component are required to be loosened, so that the complicated operation of disassembling and maintaining the traditional stamping die is omitted.

Description

Stamping die with guide structure

Technical Field

The utility model belongs to the technical field of die processing, and particularly relates to a stamping die with a guide structure.

Background

The stamping die is a special technological device for processing materials into parts in cold stamping processing, and is called a cold stamping die; the stamping is a processing method for applying pressure to a material by using a die arranged on a press machine and cutting or stretching the material, and in order to ensure that a movable die can be perfectly matched with a fixed die, a guide rod and a guide sleeve which are matched with each other are arranged between the movable die and the fixed die.

Since the guide rod and the guide sleeve are required to be frequently inserted and matched, lubricating oil is required to be added. However, after long-time use, the matched part of the guide rod and the guide sleeve is easy to collide and wear, so that the clamping stagnation phenomenon is generated at the matched part of the guide rod and the guide sleeve, and the guide precision of the stamping die is reduced.

In the prior art, the guide rod and the guide sleeve are usually locked on the movable die and the fixed die, and when the guide rod and the guide sleeve are required to be disassembled respectively, the disassembly process is troublesome due to the complex structure, other parts are easy to damage in the disassembly process, and the integral precision of the stamping die is affected.

Disclosure of utility model

The utility model aims to provide a stamping die with a guide structure, and aims to solve the technical problems that after a guide rod and a guide sleeve of the stamping die in the prior art are used for a long time, the guide rod and the guide sleeve are required to be disassembled for maintenance or replacement, but the disassembly process is inconvenient.

In order to achieve the above object, a stamping die with a guiding structure provided in an embodiment of the present utility model includes a lower die assembly and an upper die assembly that are closed to each other to achieve a stamping forming process; the device also comprises at least two guide assemblies for guiding the upper die assembly to be accurately inserted into the lower die assembly, wherein the guide assemblies comprise:

A guide sleeve arranged on one of the lower die assembly and the upper die assembly, and the guide sleeve is in clearance fit with the lower die assembly or the upper die assembly; and

The guide post is configured on one of the upper die assembly or the lower die assembly, the guide sleeve is in clearance fit with the lower die assembly or the upper die assembly, and the guide post is matched with the guide sleeve;

The stamping die with the guide structure further comprises a first locking component and a second locking component which are respectively used for locking the guide sleeve and the guide pillar;

The first locking assembly and the second locking assembly are respectively configured on the lower die assembly and the upper die assembly, and the first locking assembly and the second locking assembly are locked through fasteners.

Optionally, the first locking assembly includes at least two first clamping jaws, and the two first clamping jaws have the same structure and each include:

The first connecting parts are locked by fasteners; and

And the first clamping parts are matched with each other and used for clamping the guide sleeve.

Optionally, a radial inward annular groove is formed in the outer side of the guide sleeve, the two first clamping portions are provided with protruding arms protruding, and the two protruding arms are clamped into the groove.

Optionally, the two first clamping jaws are arranged on two sides of the guide sleeve in an axisymmetric manner.

Optionally, the second locking assembly includes at least two second clamping jaws, and the two second clamping jaws have the same structure and each include:

the second connecting parts are locked by fasteners; and

And the two second clamping parts are matched with each other and used for clamping the guide post.

Optionally, the outside of guide pillar is provided with radial outside arch, and two the second clamping part all has the draw-in groove, and two the draw-in groove mutually support with protruding chucking is in lower mould subassembly or go up the mould subassembly.

Optionally, the two second clamping jaws are arranged on two sides of the guide post in an axisymmetric manner.

Optionally, the end part of the guide sleeve is provided with a guide surface, and the end part of the guide pillar is provided with an elastic buffer surface; when the die is assembled, the guide sleeve and the guide post comprise a positive insertion state and a bias insertion state;

When the guide sleeve is in the positive insertion state, the guide surface is not in contact with the buffer surface, the guide sleeve is overlapped with the circle center of the guide post, and the guide sleeve is inserted into the guide post and forms clearance fit;

When the guide post is in the offset insertion state, the guide surface collides with the buffer surface, the guide surface guides the guide post to coincide with the circle center of the guide sleeve, and the guide sleeve is inserted into the guide post and forms clearance fit.

Optionally, the guide post further has a flexible anti-backlash surface located between the buffer surface and an end of the guide post;

When the guide post is in the offset insertion state, after the guide surface collides with the buffer surface, the clearance eliminating surface is tightly matched with the inner wall of the guide sleeve and is used for guiding the guide post to coincide with the center of the guide sleeve.

Optionally, the diameter of the anti-backlash surface is greater than the diameter of the buffer surface.

The above technical solutions in the stamping die with a guiding structure provided by the embodiments of the present utility model have at least one of the following technical effects:

The stamping die with the guide structure comprises a die body; at least two guide components are arranged, and the two guide components are mutually matched, so that the upper die component can be accurately inserted into the lower die component, and the die assembly precision between the upper die component and the lower die component is ensured;

The guide assembly comprises a guide sleeve and a guide pillar which are mutually inserted and arranged, the upper die assembly and the lower die assembly can be accurately inserted and benefited by the matching precision of the guide sleeve and the guide pillar, but the guide sleeve and the guide pillar are inevitably worn after long-time use, so that the guide sleeve and the guide pillar are required to be detached at regular time for maintenance or replacement;

The traditional guide sleeve and guide pillar are generally fixed on the upper die assembly and the lower die assembly through tight fit, so that when the guide sleeve and the guide pillar in the traditional stamping die are required to be disassembled, the whole stamping die is required to be taken out, and the guide sleeve and the guide pillar are respectively disassembled and reinstalled, so that the operation is troublesome and time-consuming, and the newly installed guide sleeve and guide pillar are easy to be scratched in the installation process;

Therefore, the stamping die provides a first locking component and a second locking component which are easy to disassemble, the first locking component and the second locking component are locked on the lower die component and the upper die component through fasteners, and the guide sleeve and the guide pillar are respectively locked on the lower die component or the upper die component through the first locking component and the second locking component;

When the guide sleeve and the guide pillar are required to be replaced, only the first locking component and the second locking component are required to be loosened, and the guide sleeve and the guide pillar are in clearance fit with the lower die component or the upper die component, so that the guide sleeve and the guide pillar can be easily detached for maintenance or replacement, after replacement, the guide sleeve and the guide pillar are easily inserted into the lower die component or the upper die component, and the first locking component and the second locking component are locked through the fastener, so that the complicated operation of disassembling and maintenance of the traditional stamping die is omitted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a stamping die with a guiding structure according to an embodiment of the present utility model.

Fig. 2 is a schematic partial structure of a in fig. 1.

Fig. 3 is a schematic structural diagram of a first locking assembly according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a second locking assembly according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

10. a lower die assembly; 20. an upper die assembly; 30. a guide assembly;

31. Guide sleeve; 32. a guide post; 40. a first locking assembly;

41. a first jaw; 50. a second locking assembly; 51. a second jaw;

311. an annular groove; 312. a guide surface; 321. a protrusion;

322. a buffer surface; 323. an anti-backlash surface; 411. a first connection portion;

412. A first clamping portion; 511. a second connecting portion; 512. and a second clamping portion.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1, there is provided a stamping die having a guide structure, including a lower die assembly 10 and an upper die assembly 20 which are closed to each other to achieve a stamping forming process; and at least two guide assemblies 30 for guiding the upper die assembly 20 to be precisely inserted into the lower die assembly 10, the guide assemblies 30 comprising:

A guide sleeve 31 disposed on one of the lower die assembly 10 and the upper die assembly 20, the guide sleeve 31 being in clearance fit with the lower die assembly 10 or the upper die assembly 20; and

A guide post 32 disposed on one of the upper die assembly 20 and the lower die assembly 10, wherein the guide sleeve 31 is in clearance fit with the lower die assembly 10 or the upper die assembly 20, and the guide post 32 is matched with the guide sleeve 31;

Wherein the stamping die with the guiding structure further comprises a first locking component 40 and a second locking component 50 for locking the guide sleeve 31 and the guide post 32 respectively;

Wherein the first locking assembly 40 and the second locking assembly 50 are respectively disposed at the lower die assembly 10 and the upper die assembly 20, and the first locking assembly 40 and the second locking assembly 50 are locked by fasteners.

Specifically, the stamping die with the guide structure is provided; at least two guide assemblies 30 are arranged, and the two guide assemblies 30 are mutually matched, so that the upper die assembly 20 can be accurately inserted into the lower die assembly 10, and the die assembly precision between the upper die assembly 20 and the lower die assembly 10 is ensured;

The guide assembly 30 comprises a guide sleeve 31 and a guide pillar 32 which are mutually inserted and arranged, the upper die assembly 20 and the lower die assembly 10 can be accurately inserted and connected to benefit from the matching precision of the guide sleeve 31 and the guide pillar 32, but the guide sleeve 31 and the guide pillar 32 are inevitably worn after long-time use, so that the guide sleeve 31 and the guide pillar 32 need to be detached at regular time for maintenance or replacement;

The conventional guide sleeve 31 and guide post 32 are generally fixed to the upper die assembly 20 and the lower die assembly 10 by tight fit, so that when the guide sleeve 31 and the guide post 32 in the conventional stamping die are required to be disassembled, the whole stamping die is required to be taken out, and the guide sleeve 31 and the guide post 32 are respectively disassembled and reinstalled, so that the operation is troublesome and time-consuming, and the newly installed guide sleeve 31 and guide post 32 are easily scratched in the installation process;

Therefore, the stamping die provides a first locking assembly 40 and a second locking assembly which are easy to disassemble, the first locking assembly 40 and the second locking assembly 50 are locked on the lower die assembly 10 and the upper die assembly 20 through fasteners, and the guide sleeve 31 and the guide post 32 are respectively locked on the lower die assembly 10 or the upper die assembly 20 through the first locking assembly 40 and the second locking assembly 50;

When the guide sleeve 31 and the guide post 32 need to be replaced, only the first locking component 40 and the second locking component 50 need to be loosened, and because the guide sleeve 31 and the guide post 32 are in clearance fit with the lower die assembly 10 or the upper die assembly 20, the guide sleeve 31 and the guide post 32 can be easily detached for maintenance or replacement, after replacement, the guide sleeve 31 and the guide post 32 are easily inserted into the lower die assembly 10 or the upper die assembly 20, and then the first locking component 40 and the second locking component 50 are locked through the fastener, so that the complex operation of the traditional stamping die for disassembly and maintenance is omitted.

In another embodiment of the present utility model, as shown in fig. 1 to 3, the first locking assembly 40 includes at least two first clamping jaws 41, and the two first clamping jaws 41 have the same structure and each include:

A first connecting part 411, wherein both the first connecting parts 411 are locked by fasteners; and

The first clamping portions 412, the two first clamping portions 412 are engaged with each other and are used for clamping the guide sleeve 31.

Specifically, the two first clamping portions 412 are matched with each other to clamp the guide sleeve 31, the two first clamping portions 412 are locked by fasteners, and when the guide sleeve 31 needs to be replaced, the guide sleeve 31 can be detached and replaced by detaching the two first clamping portions 412.

In another embodiment of the present utility model, as shown in fig. 1 to 3, an annular groove 311 is formed on the outer side of the guide sleeve 31 and radially inward, and two protruding arms are formed on the first clamping portions 412, and the two protruding arms are snapped into the groove.

Specifically, an annular groove 311 is formed on the outer side of the guide sleeve 31 and is radially inward, and the two protruding arms are clamped with the inner wall of the annular groove 311, so that the guide sleeve 31 is fixed.

In another embodiment of the present utility model, as shown in fig. 1 to 3, two first clamping jaws 41 are arranged on both sides of the guide sleeve 31 in an axisymmetric manner.

In particular, the two first clamping jaws 41 are arranged in an axisymmetric manner, which is advantageous for clamping the guide sleeve 31 more stably, preventing the guide sleeve 31 from being deviated.

In another embodiment of the present utility model, as shown in fig. 1, 2 and 4, the second locking assembly 50 includes at least two second clamping jaws 51, and the two second clamping jaws 51 have the same structure and each include:

A second connection part 511, wherein both the second connection parts 511 are locked by fasteners; and

The second clamping portions 512, the two second clamping portions 512 are engaged with each other and are used for clamping the guide posts 32.

Specifically, the two second clamping portions 512 are mutually matched to clamp the guide post 32, the two second clamping portions 512 are locked by the fastener, and when the guide post 32 needs to be replaced, the guide post 32 can be detached and replaced by detaching the two second clamping portions 512.

In another embodiment of the present utility model, as shown in fig. 1, 2 and 4, the outer side of the guide post 32 is provided with a radially outward protrusion 321, and the two second clamping portions 512 each have a clamping groove, and the two clamping grooves cooperate with each other to clamp the protrusion 321 to the lower die assembly 10 or the upper die assembly 20.

Specifically, the outer side of the guide post 32 is provided with a radially inward protrusion 321, and both clamping grooves are clamped with the end surface of the protrusion 321, so that the guide post 32 is fixed.

In another embodiment of the present utility model, as shown in fig. 1, 2 and 4, two second clamping jaws 51 are arranged on both sides of the guide post 32 in an axisymmetric manner.

In particular, the two second jaws 51 are arranged in an axisymmetric manner, which is advantageous for more stable clamping of the column, preventing the column from being offset.

In another embodiment of the present utility model, as shown in fig. 1-2, the end of the guide sleeve 31 has a guiding surface 312, and the end of the guide post 32 has an elastic buffering surface 322; when the mold is closed, the guide sleeve 31 and the guide post 32 comprise a positive insertion state and a biased insertion state;

Wherein, in the positive insertion state, the guide surface 312 is not in contact with the buffer surface 322, the center of the guide sleeve 31 and the guide post 32 coincides, and the guide sleeve 31 is inserted into the guide post 32 and forms clearance fit;

in the biased insertion state, the guide surface 312 collides with the buffer surface 322, the guide surface 312 guides the guide post 32 to coincide with the center of the guide sleeve 31, and the guide sleeve 31 is inserted into the guide post 32 and forms a clearance fit.

Specifically, when the guide sleeve 31 and the guide post 32 are in a positive insertion state, the guide sleeve 31 and the guide post 32 can be accurately inserted and matched during die assembly, and interference between the guide sleeve 31 and the guide post 32 does not occur;

When the guide sleeve 31 and the guide post 32 are in the biased insertion state, the buffer surface 322 can buffer the impact force formed by the guide sleeve 31 to the guide post 32 when the guide sleeve 31 is biased for insertion, so that rigid collision between the guide sleeve 31 and the guide post 32 is avoided, the service lives of the guide sleeve 31 and the guide post 32 are prolonged, and the quality of a stamped product is not reduced.

In another embodiment of the present utility model, as shown in fig. 1-2, the guide post 32 further has a flexible anti-backlash surface 323, the anti-backlash surface 323 being located between the buffer surface 322 and the end of the guide post 32;

In the biased insertion state, after the guide surface 312 collides with the buffer surface 322, the anti-backlash surface 323 is tightly matched with the inner wall of the guide sleeve 31, and is used for guiding the guide post 32 to coincide with the center of the guide sleeve 31.

Specifically, the anti-backlash surface 323 has flexibility, when the guide surface 312 collides with the buffer surface 322, the circle center of the guide post 32 and the circle center of the guide sleeve 31 are close to each other, and at this time, the guide sleeve 31 needs to be positioned by the anti-backlash surface 323, so that the circle centers of the guide post 32 and the guide sleeve 31 coincide.

In another embodiment of the present utility model, as shown in fig. 1-2, the diameter of the anti-backlash surface 323 is larger than the diameter of the buffer surface 322.

Specifically, the diameter of the anti-backlash surface 323 is larger than that of the buffer surface 322, and the diameter of the anti-backlash surface 323 is larger than that of the inner wall of the guide sleeve 31, so that the guide sleeve 31 is beneficial to ensuring that the centers of the two circles are coincident before being inserted into the guide post 32, and preventing the two circles from rigidly colliding.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A stamping die with a guide structure comprises a lower die assembly and an upper die assembly which are mutually closed to realize a stamping forming process; the device is characterized by further comprising at least two guide assemblies for guiding the upper die assembly to be accurately inserted into the lower die assembly, wherein the guide assemblies comprise:

A guide sleeve arranged on one of the lower die assembly and the upper die assembly, and the guide sleeve is in clearance fit with the lower die assembly or the upper die assembly; and

The guide post is configured on one of the upper die assembly or the lower die assembly, the guide sleeve is in clearance fit with the lower die assembly or the upper die assembly, and the guide post is matched with the guide sleeve;

The stamping die with the guide structure further comprises a first locking component and a second locking component which are respectively used for locking the guide sleeve and the guide pillar;

The first locking assembly and the second locking assembly are respectively configured on the lower die assembly and the upper die assembly, and the first locking assembly and the second locking assembly are locked through fasteners.

2. The stamping die with a guide structure according to claim 1, wherein: the first locking assembly comprises at least two first clamping jaws, and the two first clamping jaws are identical in structure and comprise:

The first connecting parts are locked by fasteners; and

And the first clamping parts are matched with each other and used for clamping the guide sleeve.

3. The stamping die with a guide structure according to claim 2, wherein: the outside of guide pin bushing has seted up radial inwards annular groove, two the first clamping part all has protruding arm that the protrusion set up, two protruding arm card is gone into in the recess.

4. A stamping die with guiding structure as defined in claim 3, wherein: the two first clamping jaws are arranged on two sides of the guide sleeve in an axisymmetric mode.

5. The stamping die with a guide structure according to claim 2, wherein: the second locking assembly comprises at least two second clamping jaws, and the two second clamping jaws are identical in structure and comprise:

the second connecting parts are locked by fasteners; and

And the two second clamping parts are matched with each other and used for clamping the guide post.

6. The stamping die with guide structure according to claim 5, wherein: the outer side of the guide post is provided with a radial outward bulge, the two second clamping parts are respectively provided with a clamping groove, and the two clamping grooves are mutually matched to clamp the bulge on the lower die assembly or the upper die assembly.

7. The stamping die with guide structure according to claim 6, wherein: the two second clamping jaws are arranged on two sides of the guide post in an axisymmetric mode.

8. The stamping die with a guide structure according to any one of claims 1 to 7, characterized in that: the end part of the guide sleeve is provided with a guide surface, and the end part of the guide pillar is provided with an elastic buffer surface; when the die is assembled, the guide sleeve and the guide post comprise a positive insertion state and a bias insertion state;

When the guide sleeve is in the positive insertion state, the guide surface is not in contact with the buffer surface, the guide sleeve is overlapped with the circle center of the guide post, and the guide sleeve is inserted into the guide post and forms clearance fit;

When the guide post is in the offset insertion state, the guide surface collides with the buffer surface, the guide surface guides the guide post to coincide with the circle center of the guide sleeve, and the guide sleeve is inserted into the guide post and forms clearance fit.

9. The stamping die with guide structure according to claim 8, wherein: the guide post is also provided with a flexible anti-backlash surface, and the anti-backlash surface is positioned between the buffer surface and the end part of the guide post;

When the guide post is in the offset insertion state, after the guide surface collides with the buffer surface, the clearance eliminating surface is tightly matched with the inner wall of the guide sleeve and is used for guiding the guide post to coincide with the center of the guide sleeve.

10. The stamping die with guide structure according to claim 9, wherein: the diameter of the anti-backlash surface is larger than that of the buffer surface.