CN217647308U

CN217647308U - Die punch

Info

Publication number: CN217647308U
Application number: CN202222052019.3U
Authority: CN
Inventors: 张重彦; 杜劲; 孔祥民
Original assignee: Shandong Sanzuan Hard Alloy Co ltd
Current assignee: Shandong Sanzuan Hard Alloy Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-10-25
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a die punch, including fixing base and a plurality of jumper bar, the fixing base includes cylinder sill, upper sleeve and two semicircle clamping sleeves, be equipped with the external screw thread on the cylinder sill, the upper sleeve includes the non-screw section of lower extreme and cylinder sill complex screw section and upper end, the internal diameter of non-screw section is the same with the diameter of semicircle clamping sleeve, two semicircle clamping sleeve symmetry settings place in cylinder sill upper end to inlay and locate the inside of the non-screw section of upper sleeve, two semicircle clamping sleeve all are equipped with the semicircle orifice the same with the jumper bar quantity corresponding to one side relative, the diameter of semicircle orifice equals the diameter of jumper bar; through establishing the mould drift into the structure of jumper bar, cylinder sill, upper sleeve and two semicircle clamping sleeves, twist soon the upper sleeve, can realize the installation and the dismantlement of jumper bar, unusual laborsaving convenience, and at the in-process of installation with the dismantlement, the jumper bar can not produce wearing and tearing with the fixing base, consequently installs many times or dismantles the back, and the jumper bar is still tight very firmly.

Description

Die punch

Technical Field

The utility model belongs to the technical field of the drift, especially, relate to a mould drift.

Background

The die punch is also called a male die, an upper die, a male die, a punch needle and the like, and the punch is divided into an A-shaped punch, a T-shaped punch and a special-shaped punch. The punch is a metal part installed on a stamping die and is applied to direct contact with a material to deform and cut the material.

The existing assembly method of the punch, the punch rod and the fixed seat of the die is shown as an assembly type punch and a die with the punch disclosed by the publication number 'CN 211564192U', the punch and the fixed seat are generally provided with a through hole and a pin hole which are connected, a pin shaft inserted in the pin hole is abutted and matched with the punch rod inserted in the through hole, and then the punch rod is fixed on the fixed seat. This kind of mounting means, for the installation steadiness of jumper bar, avoid the jumper bar activity, the round pin axle, jumper bar and pinhole, need form closely cooperating between the through-hole, between the contact surface of round pin axle and jumper bar, should closely contact seamless, therefore, when installation or dismantlement jumper bar, be about to when the round pin axle injects the pinhole or when extracting the round pin axle, need pound the round pin axle very hard with the help of appurtenance and establish into or extract, very hard inconvenience, in addition, the round pin axle is after cartridge and extract many times, it all can produce certain wearing and tearing with the jumper bar, thereby cooperation degree of compaction variation, the phenomenon that the jumper bar can appear not tightly fixed, thereby when the punching press, lead to the jumper bar to appear sliding, influence the normal work of punching press.

SUMMERY OF THE UTILITY MODEL

In view of the deficiency and the defect that exist among the prior art, the utility model aims to provide a mould drift has solved present mould drift, when the installation or dismantle the jumper bar, very hard inconvenient problem to and install and dismantle the back many times, round pin axle and jumper bar can produce wearing and tearing, thereby cooperation compactness variation, the jumper bar appears fixed not tightly, finally leads to the jumper bar to appear sliding, influences the problem of the normal work of punching press.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a die punch, includes fixing base and a plurality of jumper bar, the fixing base include the cylinder sill, go up the semicircle clamping sleeve that sleeve and two symmetries set up, be equipped with the external screw thread on the cylinder sill, go up the non-screw section that the sleeve includes the lower extreme and cylinder sill complex screw thread section and upper end, the internal diameter of non-screw section is the same with the diameter of semicircle clamping sleeve, placing in cylinder sill upper end that two semicircle clamping sleeve symmetries set up, and inlay and locate telescopic non-screw section inside, two semicircle clamping sleeve all are equipped with the semicircle orifice the same with jumper bar quantity in one side relative, the diameter of semicircle orifice equals the diameter of jumper bar, jumper bar bottom cartridge is in the downthehole of the circle of two semicircle orifices.

As a further improvement, the length of the non-threaded section is the same as that of the semicircular clamping sleeve, the upper end of the non-threaded section is provided with a circular ring baffle, and the inner diameter of the circular ring baffle is smaller than that of the semicircular clamping sleeve.

As a further improvement of the utility model, both sides of the bottom end of the punch rod are provided with a protruding block along the axial direction, and two semicircular clamping sleeves are provided with grooves matched with the protruding blocks.

As a further improvement, the bottom end of the cylindrical table is provided with a limiting plate for blocking the upper sleeve from continuing to screw downwards.

As a further improvement, the lower end of the cylindrical base is provided with a transition table with a diameter smaller than the diameter of the cylindrical base, the lower end of the transition table is provided with an installation table, and the diameter of the installation table is larger than that of the transition table.

As a further improvement of the utility model, the number of the punching rods is three.

As a further improvement of the utility model, the outer circumference of the upper sleeve on which two protruding rods are arranged, the axes of the two protruding rods are superposed and are vertically arranged with the axis of the upper sleeve.

The utility model discloses beneficial effect who has:

1. the die punch is designed into a structure of a punch rod and a fixed seat, the fixed seat is designed into a structure of a cylindrical base platform, an upper sleeve and two semicircular clamping sleeves, the two semicircular clamping sleeves are symmetrically placed on the cylindrical base platform during installation, the punch rod is placed into round holes formed by the two semicircular holes one by one, then the non-threaded section of the upper sleeve faces downwards and is screwed on the cylindrical base platform, and after the upper sleeve is screwed, the non-threaded section of the upper sleeve clamps and fixes the two semicircular clamping sleeves, so that the punch rod is clamped; when the upper sleeve is disassembled, the upper sleeve is directly screwed off the thread section, the assembly and the disassembly are very labor-saving and convenient, and the plunger rod and the fixed seat cannot be abraded in the assembly and disassembly processes, so that the plunger rod is still very firm in clamping after being assembled or disassembled for many times, and the influence on the subsequent stamping work is avoided.

2. The length of the non-threaded section is equal to that of the semicircular clamping sleeve, and the upper end of the non-threaded section is provided with the annular baffle, so that when the semicircular clamping sleeve is screwed, the annular baffle provides certain positioning limitation for the semicircular clamping sleeve, the semicircular clamping sleeve is convenient to screw and install, and the semicircular clamping sleeve is prevented from sliding outwards.

3. The protruding block is arranged on the punch rod, and the groove matched with the protruding block is formed in the semicircular clamping sleeve, so that the punch rod can be prevented from rotating, and the punch rod can be clamped and fixed more firmly.

4. Through being equipped with the limiting plate that blocks the upper sleeve and continue precession downwards in cylindric lock bottom to when the sleeve was gone up in the installation, provide certain spacing for upper sleeve's installation.

5. By arranging the two protruding rods on the upper sleeve, the sleeve can be screwed conveniently, and a worker can hold the sleeve by hands or apply force.

Drawings

The invention will be further described with reference to the accompanying drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of a partial structure of a base (a cylindrical bottom table, a limiting plate, a transition table and a mounting table);

FIG. 4 is a schematic view of a semi-circular clamping sleeve;

in the figure: 1. a fixed seat; 11. a cylindrical base table; 12. an upper sleeve; 121. a threaded segment; 122. a non-threaded section; 13. a semicircular clamping sleeve; 14. a limiting plate; 15. a transition table; 16. an installation table; 17. a circular ring baffle; 2. punching; 3. a protruding block; 4. a groove; 5. a protruding rod; 6. a semicircular hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-4.

For convenience of description, a coordinate system is defined as shown in fig. 1, and vertical in the up-down direction.

The embodiment of the utility model discloses mould drift. Referring to fig. 1 and 2, a die punch, including fixing base 1 and three jumper bar 2, fixing base 1 include cylinder sill 11, go up semicircle clamping sleeve 13 that sleeve 12 and two symmetries set up, as shown in fig. 3, be equipped with the external screw thread on the cylinder sill 11, cylinder sill bottom is equipped with blocks the limiting plate 14 that upper sleeve 12 continues to screw in downwards, thereby when installing upper sleeve 12, for upper sleeve 12's installation provides certain spacingly, 11 lower extremes of cylinder sill are equipped with a diameter and are less than the transition platform 15 of 11 diameters of cylinder sill, the lower extreme of transition platform 15 is equipped with a mount table 16, mount table 16 is fixed with the die fit installation, and its diameter is greater than the diameter of transition platform 15.

As shown in fig. 2, the upper sleeve 12 includes a threaded section 121 at a lower end thereof, which is matched with the cylindrical bottom table 11, and an unthreaded section 122 at an upper end thereof, the unthreaded section 122 has a length same as that of the semicircular clamping sleeve 13, an inner diameter of the unthreaded section 122 is same as that of the semicircular clamping sleeve 13, the two semicircular clamping sleeves 13 are symmetrically disposed at the upper end of the cylindrical bottom table 11, and are embedded inside the unthreaded section 122 of the upper sleeve 12, the two semicircular clamping sleeves 13 can form a circle, as shown in fig. 4, the two semicircular clamping sleeves 13 are correspondingly provided with three semicircular holes 6 at opposite sides, the diameter of each semicircular hole 6 is equal to that of the punch 2, the bottom end of the punch 2 is inserted into a circular hole formed by the two semicircular holes 6, the circular hole formed by the two semicircular holes 6 is in interference fit with the punch 2, in addition, in order to screw the upper sleeve 12, the circular ring baffle 17 provides a certain positioning limit for the semicircular clamping sleeve 13, which facilitates screwing installation of the upper sleeve 12, and prevents the semicircular clamping sleeve 13 from sliding outwards, the upper end of the unthreaded section 122 is provided with a circular ring baffle 17, and the inner diameter of the semicircular clamping sleeve is smaller than that of the semicircular clamping sleeve 13. During manufacturing, the upper sleeve 12 and the annular baffle 17 can be integrally formed and manufactured, and can also be welded in a splicing mode; in addition, in order to increase the clamping firmness of the plunger 2, a section of the upper end of the inner wall of the non-threaded section 122 can be a conical surface with the diameter gradually reduced from bottom to top, the length of the conical surface accounts for one fifth of the length of the whole non-threaded section 122, and the conical degree of the conical surface is 0.1 degree, so that the upper sleeve 12 tightly clamps the semi-circular clamping sleeve 13, the plunger 2 is tightly clamped, and the screwing is not laborious.

As shown in fig. 2, in order to arrange a protruding block 3 on both sides of the bottom end of the punch 2 along the axial direction thereof, grooves 4 matched with the protruding blocks 3 are arranged on the two semicircular clamping sleeves 13, so that the punch 2 can be prevented from rotating, and the punch 2 can be clamped and fixed more firmly.

In addition, in order to facilitate the hand holding or force application of a worker when screwing the upper sleeve 12, two protruding rods 5 are arranged on the outer circumference of the upper sleeve 12, and the axes of the two protruding rods 5 are overlapped and are perpendicular to the axis of the upper sleeve 12.

The installation and the dismantlement process of this embodiment do: during installation, the two semicircular clamping sleeves 13 are symmetrically placed on the cylindrical bottom platform 11, the plungers 2 are placed into circular holes formed by the two semicircular holes 6 one by one, then the non-threaded sections 122 of the upper sleeve 12 face downwards and are screwed on the cylindrical bottom platform 11, and after the upper sleeve 12 is screwed, the non-threaded sections 122 of the upper sleeve 12 clamp and fix the two semicircular clamping sleeves 13, so that the plungers 2 are clamped; when disassembling, the upper sleeve 12 is directly screwed to the lower thread segments 121.

The utility model discloses an establish the mould drift into jumper bar 2, fixing base 1's structure, and set up fixing base 1 into cylinder sill 11, go up sleeve 12 and two semicircle clamping sleeve 13's structure, through twisting sleeve 12 soon, can realize the installation and the dismantlement of jumper bar 2, labour saving and convenience very, and at the in-process of installation and dismantlement, jumper bar 2 and fixing base 1 can not produce wearing and tearing, consequently install many times or dismantle the back, the jumper bar 2 is still tight very firm, avoid influencing follow-up punching press work.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only, not by way of limitation, since other embodiments will become apparent to those skilled in the art upon consideration of the following detailed description of the invention without any creative effort.

Claims

1. The utility model provides a mould drift, includes fixing base and a plurality of jumper bar, its characterized in that: the fixing base include the cylinder base frame, go up the semicircle clamping sleeve that sleeve and two symmetries set up, be equipped with the external screw thread on the cylinder base frame, go up the sleeve include the lower extreme with cylinder base frame complex screw thread section and the non-screw thread section of upper end, the internal diameter of non-screw thread section is the same with the diameter of semicircle clamping sleeve, placing in cylinder base frame upper end that two semicircle clamping sleeve symmetries set up, and inlay and locate telescopic non-screw thread section inside, two semicircle clamping sleeve all are equipped with the semicircle orifice the same with jumper bar quantity in one side relative corresponding, the diameter of semicircle orifice equals the diameter of jumper bar, jumper bar bottom cartridge is in the round hole that two semicircle orifices formed.

2. The die punch as claimed in claim 1, wherein: the length of the non-threaded section is the same as that of the semicircular clamping sleeve, a circular ring baffle is arranged at the upper end of the non-threaded section, and the inner diameter of the circular ring baffle is smaller than the diameter of the semicircular clamping sleeve.

3. The die punch as claimed in claim 2, wherein: two sides of the bottom end of the punch rod are respectively provided with a protruding block along the axial direction, and the two semicircular clamping sleeves are provided with grooves matched with the protruding blocks.

4. The die punch as claimed in claim 1, wherein: and a limiting plate for blocking the upper sleeve from continuously screwing downwards is arranged at the bottom end of the cylindrical bottom table.

5. The die punch as claimed in claim 4, wherein: the lower end of the cylindrical base table is provided with a transition table with the diameter smaller than that of the cylindrical base table, the lower end of the transition table is provided with an installation table, and the diameter of the installation table is larger than that of the transition table.

6. The die punch as claimed in any one of claims 1 to 5, wherein: the number of the punching rods is three.

7. The die punch as claimed in any one of claims 1 to 5, wherein: the outer circumference of the upper sleeve is provided with two protruding rods, and the axes of the two protruding rods are overlapped and are perpendicular to the axis of the upper sleeve.