CN214023061U - Combined punch assembly for machining roller - Google Patents

Abstract

The utility model provides a combination formula drift subassembly for processing roller, includes the drift pedestal, drift pedestal upper end has the shaping chamber be equipped with in the shaping chamber and be used for the shaping forming assembly of roller terminal surface, the lower extreme of drift pedestal is equipped with the hole of pushing away that is linked together with the shaping chamber, the shaping subassembly by set up at the shaping endotheca of central point position, first protective sheath, establish supporting pad and second protective sheath and constitute, the external diameter of supporting pad the same with the external diameter of first protective sheath, the second protective sheath hugs closely the outside that sets up at supporting pad and first protective sheath be equipped with first shock attenuation groove on the internal surface of second protective sheath and supporting pad contact be equipped with the second shock attenuation groove on the surface of second protective sheath and drift pedestal contact be equipped with annular gasket in the second shock attenuation groove. This scheme is through optimal design, realizes a modular drift subassembly, and this subassembly has better shock attenuation effect, still has long service life's advantage simultaneously.

Description

Combined punch assembly for machining roller

Technical Field

The utility model relates to a roller forming die technical field specifically is a combination formula drift subassembly for processing roller.

Background

At present, the die for processing the roller mostly adopts the following structure: the forming device comprises a punch seat body, wherein a forming piece for forming the end face of a roller is arranged at the upper end of the punch seat body, a push hole communicated with a forming cavity is formed in the lower end of the punch seat body, and the existing forming piece generally consists of a forming inner core and an outer protective sleeve and is integrally embedded in the forming cavity of the punch seat body; because the existing design is not perfect, the following disadvantages are also provided: firstly, the existing punch die forming inner core is easy to damage, and generally needs to be replaced in time after being used for half a month, so that the processing cost is high; secondly, in the punching process, the formed inner core transmits the impact force vibration to the punch base body, so that the outer shell of the punch is often easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a modular drift subassembly for processing roller through the optimal design, realizes a modular drift subassembly, and this subassembly has better shock attenuation effect, still has long service life's advantage simultaneously.

The utility model adopts the technical proposal that: a combined punch head component for processing a roller comprises a punch head seat body, wherein the upper end of the punch head seat body is provided with a forming cavity, a forming component for forming the end face of the roller is arranged in the forming cavity, the lower end of the punch seat body is provided with a push-out hole communicated with the forming cavity, the forming assembly consists of a forming inner sleeve arranged at the central position, a first protective sleeve arranged outside the forming inner sleeve, a supporting pad arranged below the forming inner sleeve and the first protective sleeve and a second protective sleeve, the outer diameter of the supporting pad is the same as that of the first protective sleeve, the second protective sleeve is tightly attached to the outer parts of the supporting pad and the first protective sleeve, the inner surface of the second protective sleeve contacting with the supporting pad is provided with a first damping groove, the outer surface of the second protective sleeve contacting with the punch seat body is provided with a second damping groove, and an annular gasket is arranged in the second damping groove.

Further preferably, the forming inner sleeve is made of hard alloy materials.

Further optimize, the second damping slot is equipped with a plurality ofly, and a plurality of second damping slots are interval setting from top to bottom.

Further optimize, the interval of arbitrary two second shock attenuation grooves is equal.

Further preferably, the outer peripheral surface of the punch seat body is provided with a plurality of first air guide grooves distributed along the axial direction, and a plurality of second air guide grooves connected with the first air guide grooves are arranged on the end surface of one side of the punch seat body far away from the forming cavity.

Further preferably, the peripheral surface of the punch seat body is provided with a positioning groove.

The utility model has the advantages that:

one of them, this scheme realize a modular drift subassembly through optimal design, specifically do: the shaping subassembly comprises shaping endotheca, the first protective sheath that sets up in the shaping endotheca outside, the supporting pad and the second protective sheath that set up in shaping endotheca and first protective sheath below that set up at central point and put, the external diameter of supporting pad the same with the external diameter of first protective sheath, the setting is hugged closely in the outside of supporting pad and first protective sheath to the second protective sheath, through set up two sets of protective sheaths and bottom supporting pad in shaping inner core outside, improves the device's life.

In its two, this scheme, set up the damping groove structure respectively through the both sides surface at the second protective sheath, make this subassembly have better shock attenuation effect, specifically do: and a first damping groove is formed in the inner surface, which is in contact with the supporting pad, of the second protective sleeve, a second damping groove is formed in the outer surface, which is in contact with the punch seat body, of the second protective sleeve, and an annular gasket is arranged in the second damping groove.

Its third, in this scheme, carry out optimal design to the surface of drift pedestal, improve the device stamping process's smoothness nature, specifically do: the outer peripheral surface of the punch seat body is provided with a plurality of first flow guide air grooves distributed along the axial direction, the end surface of one side of the punch seat body far away from the forming cavity is provided with a plurality of second flow guide air grooves connected with the first flow guide air grooves, and the second flow guide air grooves are crossed at the center of the push hole.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 taken along direction A;

fig. 3 is a partially enlarged schematic view at B in fig. 1.

Reference numerals: 1. punch base, 11, shaping chamber, 12, push-out hole, 13, first water conservancy diversion gas tank, 14, second water conservancy diversion gas tank, 15, positioning groove, 2, shaping subassembly, 21, shaping endotheca, 22, first protective sheath, 23, supporting pad, 24, second protective sheath, 241, first shock attenuation groove, 242, second shock attenuation groove, 243, annular liner.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

It should be noted that: unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items.

The detailed structure of the scheme is described in detail in the following with the attached drawings: as shown in fig. 1, a combined punch assembly for processing a roller includes a punch base 1, the upper end of the punch base 1 has a forming cavity 11, a forming assembly 2 for forming an end face of the roller is disposed in the forming cavity 11, the lower end of the punch base 1 has a push-out hole 12 communicated with the forming cavity 11, the forming assembly 2 is composed of a forming inner sleeve 21 disposed at a central position, a first protective sleeve 22 disposed outside the forming inner sleeve, a supporting pad 23 disposed below the forming inner sleeve and the first protective sleeve, and a second protective sleeve 24, an outer diameter of the supporting pad 23 is the same as an outer diameter of the first protective sleeve 22, the second protective sleeve 24 is disposed closely to the outside of the supporting pad 23 and the first protective sleeve 22, a first damping groove 241 is disposed on an inner surface of the second protective sleeve 24 contacting the supporting pad 23, and a second damping groove 242 is disposed on an outer surface of the second protective sleeve 24 contacting an inner wall of the forming cavity of the punch base 1, in the second damping groove 242, an annular gasket 243 is arranged, and in the present scheme, damping groove structures are respectively arranged on the two side surfaces of the second protective sleeve, so that the assembly has a good damping effect.

In the scheme, in order to prolong the service life of the forming inner core, the forming inner sleeve 21 can be made of hard alloy materials.

In this solution, as shown in fig. 3, a plurality of second damping grooves 242 are provided, and the plurality of second damping grooves are arranged at intervals up and down; the optimal mode is as follows: the distance between any two second damping grooves is equal.

In this scheme, carry out optimal design to the surface of drift pedestal, improve the device stamping process's smoothness nature, specifically do: as shown in fig. 2, a plurality of first air guide grooves 13 are axially distributed on the outer circumferential surface of the punch holder body 1, a plurality of second air guide grooves 14 connected with the first air guide grooves 13 are arranged on the end surface of the punch holder body 1 on the side away from the forming cavity 11, and the plurality of second air guide grooves 14 intersect with the center of the push-out hole 12.

In this scheme, in order to facilitate the installation of the combined punch assembly on the machine tool, a positioning groove 15 may be further provided on the outer circumferential surface of the punch housing 1.

In this scheme, it should be noted that: in order to improve and realize a better shock absorption effect, the volume of the arranged annular gasket 243 is slightly smaller than the space of the second shock absorption groove 242 as much as possible, so that after the annular gasket is assembled, a plurality of spaced cavities are formed between the second protective sleeve and the inner wall of the forming cavity of the punch holder body at intervals.

In addition, in this scheme, do not prescribe a limit to the material of drift pedestal 1, first protective sheath 22, supporting pad 23 and second protective sheath 24, under the circumstances that the assurance drift subassembly bulk strength satisfies, the material of above-mentioned part can be rationally selected according to prior art's understanding to the technical staff in this field.

For a clearer description of other embodiments of the damping grooves in the device, the following are given by way of example:

examples 1,

It should be noted that: the embodiment only illustrates a specific arrangement manner of the first damping groove and the second damping groove, and other structural components and positional relationships are not described too much here, specifically: first shock attenuation groove is preferred to be set up in the below of second protective sheath 24, namely sets up in the corner position of second protective sheath 24 in the contact of supporting pad 23, and the second shock attenuation groove is equipped with a plurality ofly, and is located the below and corresponds with first shock attenuation trench position, and the size equals, from downside to upside position, and the interval sets up in proper order, and is located the height of the top and the last top surface that is less than or the parallel and level supporting pad.

Examples 2,

Example 2 differs from example 1 in that: first shock attenuation groove is preferred to be set up in the below of second protective sheath 24, namely sets up in the corner position of second protective sheath 24 in the contact of supporting pad 23, and the second shock attenuation groove is equipped with a plurality ofly, and is located the below and corresponds with first shock attenuation trench position, and the size equals, from downside to upside position, equidistant setting in proper order, and the top surface that highly is a little higher than the supporting pad that is located the top.

It should be noted that, although the present invention has been described with reference to the above embodiments, the present invention may have other embodiments. Various modifications and changes may be made by those skilled in the art without departing from the spirit and scope of the invention, and it is intended that all such modifications and changes fall within the scope of the appended claims and their equivalents.

Claims (6)

1. The utility model provides a combination formula drift subassembly for processing roller, includes the drift pedestal, drift pedestal upper end has the shaping chamber be equipped with in the shaping chamber and be used for the fashioned shaping subassembly of roller terminal surface, the lower extreme of drift pedestal is equipped with the push-out hole that is linked together with the shaping chamber, its characterized in that: the shaping subassembly comprises shaping endotheca, the first protective sheath that sets up in the shaping endotheca outside, the supporting pad and the second protective sheath that set up in shaping endotheca and first protective sheath below that set up at central point and put, the external diameter of supporting pad the same with the external diameter of first protective sheath, the outside that sets up at supporting pad and first protective sheath is hugged closely to the second protective sheath be equipped with first damping slot on the internal surface of second protective sheath and supporting pad contact be equipped with the second damping slot on the surface of second protective sheath and drift pedestal contact be equipped with annular liner in the second damping slot.

2. A multipart punch assembly for machining rollers as claimed in claim 1, wherein: the forming inner sleeve is made of hard alloy materials.

3. A multipart punch assembly for machining rollers as claimed in claim 1, wherein: the second damping groove is provided with a plurality of, and a plurality of second damping grooves are interval setting from top to bottom.

4. A multipart punch assembly for machining rollers as claimed in claim 3, in which: the distance between any two second damping grooves is equal.

5. A multipart punch assembly for machining rollers as claimed in claim 1, wherein: the outer peripheral surface of the punch seat body is provided with a plurality of first flow guide air grooves distributed along the axial direction, and a plurality of second flow guide air grooves connected with the first flow guide air grooves are arranged on the end surface of one side of the punch seat body far away from the forming cavity.

6. A multipart punch assembly for machining rollers as claimed in claim 1, wherein: and a positioning groove is also arranged on the peripheral surface of the punch seat body.

Images