CN210475243U

CN210475243U - Stamping die with pre-compaction structure

Info

Publication number: CN210475243U
Application number: CN201920533562.0U
Authority: CN
Inventors: 周水琴
Original assignee: Hangzhou Vocational and Technical College
Current assignee: Hangzhou Vocational and Technical College
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-05-08
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a stamping die with a pre-compression structure, which comprises an upper die and a lower die, wherein a punch is fixed in the middle of the lower end surface of the upper die, and pre-compression mechanisms are arranged at four corners of the lower end surface of the upper die; each pre-pressing mechanism comprises a sleeve, a sliding rod and a spring, the upper end of the sleeve is connected with the lower end face of the upper die, the sliding rod is movably arranged at the bottom of the sleeve in a penetrating mode, an annular convex edge used for abutting against the inner bottom of the sleeve to prevent the sliding rod from being separated from the sleeve is arranged on the outer wall of the upper end of the sliding rod, and the spring is embedded in the sleeve between the sliding rod and the upper die; a pressure plate for pressing the plate is fixed at the lower end of the sliding rod; the utility model discloses a four edges of lower terminal surface all install pre-compaction mechanism at last mould, and pre-compaction mechanism can be in advance to compressing tightly of panel on the lower mould, so, when panel on the drift punching press lower mould, can avoid the phenomenon that the off normal appears in panel to can improve the yield of the product that the punching press came out.

Description

Stamping die with pre-compaction structure

Technical Field

The utility model relates to a stamping die technical field, concretely relates to stamping die with pre-compaction structure.

Background

In the plate punching process, a punching die is required to be used, the existing punching die generally comprises an upper die, a punch and a lower die positioned below the punch, the punch is fixed on the lower end face of the upper die, when the plate is required to be punched, the plate is placed on the lower die, and the punching of the plate is realized after the punch is driven to move downwards. However, when the existing stamping die is used for stamping a plate, pre-compression of the plate cannot be realized, so that when the plate on the lower die is stamped by the punch, the plate is easily deviated, and the yield of the stamped product is affected.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a stamping die with pre-compaction structure, it all installs pre-compaction mechanism through four edges of lower terminal surface at last mould, so, when driving the drift at last mould and move down, pre-compaction mechanism can be in advance to compressing tightly of panel on the lower mould, so, when panel on the drift punching press lower mould, can avoid the phenomenon of panel appearance off normal to can improve the yield of the product that the punching press came out.

The utility model discloses a stamping die with pre-compaction structure, including upper die and lower mould, the lower terminal surface middle part of upper die is fixed with the drift, and four corners of the lower terminal surface of upper die all install the pre-compaction mechanism that is used for pre-compacting the panel on the lower mould when the upper die moves down; each pre-pressing mechanism comprises a sleeve, a sliding rod and a spring, the upper end of the sleeve is connected with the lower end face of the upper die, the sliding rod is movably arranged at the bottom of the sleeve in a penetrating mode, an annular convex edge used for abutting against the inner bottom of the sleeve to prevent the sliding rod from being separated from the sleeve is arranged on the outer wall of the upper end of the sliding rod, and the spring is embedded in the sleeve between the sliding rod and the upper die; the lower end of the sliding rod is fixedly provided with a pressing plate for pressing the plate.

The utility model discloses a stamping die with pre-compaction structure, wherein, be provided with respectively on the lower terminal surface of last mould be used for with one of them sleeve threaded connection's boss, telescopic upper end suit in the outside of boss and with boss threaded connection.

The utility model discloses a stamping die with pre-compaction structure, wherein, the lower extreme of slide bar is provided with the location platform of square form, is provided with the constant head tank that can supply the location platform to insert and be used for the square form with location platform cooperation location on the up end of pressure disk, and slide bar and pressure disk are provided with the counter sink that can supply the head embedding of bolt through wearing to establish the bolt fastening in slide bar and pressure disk on the lower terminal surface of pressure disk.

The utility model discloses a stamping die with pre-compaction structure, wherein, the laminating has the slipmat on the lower surface of pressure disk, is provided with anti-skidding line on the lower surface of slipmat.

The utility model discloses a four edges of lower terminal surface of last mould all install pre-compaction mechanism, so, when the last mould drove the drift and move down, pre-compaction mechanism can be in advance to compressing tightly of panel on the lower mould, so, when panel on the drift punching press lower mould, can avoid the phenomenon that the off normal appears in panel to can improve the yield of the product that the punching press came out.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the pre-clamping mechanism after being connected to the upper mold;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a stamping die with pre-compaction structure, including upper die 1 and lower mould 2, the lower terminal surface middle part of upper die 1 is fixed with drift 3, and four corners of the lower terminal surface of upper die 1 all install the pre-compaction mechanism that is used for pre-compacting panel 4 on lower mould 2 when upper die 1 moves down; each pre-pressing mechanism comprises a sleeve 5, a sliding rod 6 and a spring 7, the upper end of the sleeve 5 is connected with the lower end face of the upper die 1, the sliding rod 6 is movably arranged at the bottom of the sleeve 5 in a penetrating mode, an annular convex edge 61 used for abutting against the inner bottom of the sleeve 5 to prevent the sliding rod 6 from being separated from the sleeve 5 is arranged on the outer wall of the upper end of the sliding rod 6, and the spring 7 is embedded in the sleeve 5 between the sliding rod 6 and the upper die 1; and a pressure plate 8 for pressing the plate 4 is fixed at the lower end of the sliding rod 6.

Bosses 11 which are respectively used for being in threaded connection with one of the sleeves 5 are arranged on the lower end face of the upper die 1, and the upper ends of the sleeves 5 are sleeved outside the bosses 11 and are in threaded connection with the bosses 11; by adopting such a structure, the sleeve can be reliably attached to the lower end surface of the upper die.

The lower end of the sliding rod 6 is provided with a square positioning table 62, the upper end surface of the pressure plate 8 is provided with a square positioning groove 81 which can be inserted by the positioning table 62 and is used for matching and positioning with the positioning table 62, the sliding rod 6 and the pressure plate 8 are fixed through bolts 82 penetrating through the sliding rod 6 and the pressure plate 8, and the lower end surface of the pressure plate 8 is provided with a counter bore 83 in which the head of the bolt 82 can be embedded; after adopting this kind of structure, the lower extreme at the slide bar can be fixed reliably to the pressure disk, and through the setting of location platform and constant head tank, can reach the spacing purpose of circumference reliably between pressure disk and the slide bar.

The lower surface of the pressure plate 8 is adhered with an anti-skid pad 9, and the lower surface of the anti-skid pad 9 is provided with anti-skid lines; through the setting of slipmat, when the pressure disk compressed tightly panel, can play skid-proof effect.

It should be noted that: the utility model provides a when pre-compaction mechanism did not compress tightly panel, the lower surface of slipmat was less than the lower terminal surface of drift, when the drift was punched press to panel, the slipmat can compress tightly on panel, and the spring in the pre-compaction mechanism can be compressed.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a stamping die with pre-compaction structure, includes mould (1) and lower mould (2), the lower terminal surface middle part of going up mould (1) is fixed with drift (3), its characterized in that: four corners of the lower end surface of the upper die (1) are respectively provided with a pre-pressing mechanism which is used for pre-pressing the plate (4) on the lower die (2) when the upper die (1) moves downwards; each pre-pressing mechanism comprises a sleeve (5), a sliding rod (6) and a spring (7), the upper end of the sleeve (5) is connected with the lower end face of the upper die (1), the sliding rod (6) is movably arranged at the bottom of the sleeve (5) in a penetrating mode, an annular convex edge (61) which is used for abutting against the inner bottom of the sleeve (5) to prevent the sliding rod (6) from separating from the sleeve (5) is arranged on the outer wall of the upper end of the sliding rod (6), and the spring (7) is embedded in the sleeve (5) between the sliding rod (6) and the upper die (1); and a pressure plate (8) used for pressing the plate (4) is fixed at the lower end of the sliding rod (6).

2. The stamping die with the pre-compaction structure as claimed in claim 1, wherein bosses (11) for being respectively in threaded connection with one of the sleeves (5) are provided on the lower end surface of the upper die (1), and the upper ends of the sleeves (5) are sleeved outside the bosses (11) and in threaded connection with the bosses (11).

3. The stamping die with the pre-compaction structure as claimed in claim 2, wherein the lower end of the sliding rod (6) is provided with a square positioning table (62), the upper end surface of the pressure plate (8) is provided with a square positioning groove (81) for the positioning table (62) to insert and for being matched and positioned with the positioning table (62), the sliding rod (6) and the pressure plate (8) are fixed by bolts (82) penetrating through the sliding rod (6) and the pressure plate (8), and the lower end surface of the pressure plate (8) is provided with a counter bore (83) for the head of the bolt (82) to be embedded into.

4. The stamping die with the pre-compaction structure as claimed in claim 3, wherein a non-slip mat (9) is attached to the lower surface of the pressing plate (8), and non-slip lines are arranged on the lower surface of the non-slip mat (9).