CN212634049U

CN212634049U - Thermal shield imperforate riveting die

Info

Publication number: CN212634049U
Application number: CN202021370729.5U
Authority: CN
Inventors: 魏金环; 梁新文
Original assignee: Shiyan Yinlun Auto Parts Co ltd
Current assignee: Shiyan Yinlun Auto Parts Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-02
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a heat shield aporate riveting die, which relates to the technical field of automobile part manufacturing and comprises an upper template and a lower template which are oppositely arranged, wherein the top surface of the lower template is provided with a lower die holder, and a female die is arranged on the lower die holder; the device also comprises a material pressing device and a spring; an upper die base is arranged on the bottom surface of the upper die plate, and a cavity with an opening at the bottom is arranged in the upper die base; a male die is fixedly arranged in the cavity, and a forming head at the lower end of the male die extends out of an opening of the cavity; the swager is arranged at the opening of the cavity and comprises a body matched with the opening of the cavity in shape, the upper end of the body is provided with a socket groove matched with the male die, and the lower end of the body is provided with a through hole communicated with the socket groove and used for enabling a forming head of the male die to penetrate out; the upper end edge of the body extends outwards to form a limiting retainer ring; the spring is sleeved on the male die, the upper end of the spring is connected with the cavity, and the lower end of the spring abuts against the limiting check ring.

Description

Thermal shield imperforate riveting die

Technical Field

The utility model relates to an automobile parts makes technical field, specifically a separate heat exchanger sclausura riveting die.

Background

At present, the heat shield imperforate riveting die has the defects that in the forming process of the die, a product does not have a pressing material, the material walking of a plate is not controlled, after the product is riveted, the position size has deviation, the riveting torsion cannot meet the drawing requirement, the appearance is not attractive, the production difficulty is high, the quality cannot be guaranteed, and the rejection rate accounts for 5%.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide a separate heat exchanger sclausura riveting die has improved the product percent of pass, has increased the company's benefit.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a nonporous riveting die for a heat shield comprises an upper template and a lower template which are oppositely arranged, wherein the top surface of the lower template is provided with a lower die holder, and a female die is arranged on the lower die holder; the device also comprises a material pressing device and a spring; an upper die holder is arranged on the bottom surface of the upper die plate, and a cavity with an opening at the bottom is arranged in the upper die holder; a male die is fixedly arranged in the cavity, and a forming head at the lower end of the male die extends out of an opening of the cavity; the swager is arranged at the opening of the cavity and comprises a body matched with the opening of the cavity in shape, the upper end of the body is provided with a socket groove matched with the male die, and the lower end of the body is provided with a through hole communicated with the socket groove and used for enabling a forming head of the male die to penetrate out; the upper end edge of the body extends outwards to form a limiting retainer ring; the spring is sleeved on the male die, the upper end of the spring is connected with the cavity, and the lower end of the spring abuts against the limiting check ring.

The further improvement lies in that: the lower end of the material pressing device body is provided with a limiting convex ring.

The further improvement lies in that: the top wall in the cavity of the upper die base is provided with a base plate, and the male die and the spring are connected with the base plate.

The further improvement lies in that: and a limiter is arranged between the upper template and the lower template.

The further improvement lies in that: the lower template is provided with a plurality of guide pillars, and the upper template is provided with guide sleeves matched with the guide pillars.

The further improvement lies in that: and the upper template is provided with a template handle.

The beneficial effects of the utility model reside in that:

in the utility model, when the die starts to work, the product is placed on the lower die, the upper die material pressing device contacts with the lower die first to press the material, and the male die of the upper die starts to work and moves to the bottom dead center of the machine tool to finish; through detection, the product percent of pass is greatly improved, and the rejection rate is only 0.5 percent.

Drawings

Fig. 1 is a schematic view of a heat shield imperforate riveting die in an embodiment of the present invention;

fig. 2 is a schematic view of a material pressing device in an embodiment of the present invention;

fig. 3 is a bottom view of the swager according to the embodiment of the present invention;

fig. 4 is a sectional view of the swage in the embodiment of the present invention.

Reference numerals:

1-a lower template; 11-a lower die holder; 12-a guide post; 2, mounting a template; 21-an upper die holder; 22-guide sleeves; 23-a die shank; 24-a backing plate; 3-a female die; 4-a male die; 5-a material pressing device; 51-a body; 52-socket groove; 53-a through hole; 54-a limit convex ring; 55-a limit retainer ring; 6-a spring; 7-a stopper.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Referring to fig. 1, an embodiment of the present invention provides a heat shield imperforate riveting die, which includes an upper die plate 2 and a lower die plate 1 that are arranged oppositely, a lower die base 11 is arranged on the top surface of the lower die plate 1, and a female die 3 is arranged on the lower die base 11; the device also comprises a material pressing device 5 and a spring 6;

an upper die holder 21 is arranged on the bottom surface of the upper die plate 2, and a cavity with an opening at the bottom is arranged in the upper die holder 21; a male die 4 is fixedly arranged in the cavity, and a forming head at the lower end of the male die 4 extends out of an opening of the cavity; specifically, a backing plate 24 is arranged on the top wall in the cavity of the upper die holder 21, and the male die 4 and the spring 6 are both connected with the backing plate 24. Specifically, the forming head of the male die 4 is provided with a rivet.

Referring to fig. 2, 3 and 4, the swager 5 is arranged at the opening of the cavity, and comprises a body 51 matched with the shape of the opening of the cavity, the upper end of the body 51 is provided with a socket groove 52 matched with the male die 4, and the lower end of the body 51 is provided with a through hole 53 communicated with the socket groove 52 for the forming head of the male die 4 to pass through; the upper end edge of the body 51 extends outwards to form a limit retainer ring 55; specifically, the lower end of the body 51 of the swage 5 is provided with a limit convex ring 54.

The spring 6 is sleeved on the male die 4, the upper end of the spring 6 is connected with the cavity, and the lower end of the spring 6 abuts against the limiting retainer ring 55. Sufficient material pressing force and material returning force are provided for the material pressing plate.

Specifically, be provided with stopper 7 between cope match-plate pattern 2 and the lower bolster 1, prevent that the compound die height from setting up the mistake and damaging the mould, play the guard action to mould and inside mold insert. The lower template 1 is provided with a plurality of guide pillars 12, and the upper template 2 is provided with guide sleeves 22 matched with the guide pillars 12 and used for guiding the clearance between the male die and the female die, so that the size clearance of the die is ensured, and the gnawing of the male die and the female die is avoided. The upper die plate 2 is provided with a die handle 23 for fixing the upper die plate, the die handle is arranged on a sliding block of the punch press, and the sliding block drives an upper die to perform forming work.

The utility model discloses a theory of operation does:

the upper die pressing device is fixed inside the mounting seat through an upper die spring and a base plate, and the upper die seat and the male die are connected with the upper die plate. And a stopper is arranged between the upper template and the lower template, and the guide sleeve is connected with the upper die base through a guide pillar by using a connecting bolt. When the riveting die works, an upper die moves downwards along with a punch, an upper die material pressing device is firstly contacted with the upper surface of a product, an upper die spring starts to be in a pressing state, an upper die male die and a rivet are pressed downwards until the upper surface of the product is contacted with a lower die female die until the product is formed in place, the upper die and the lower die are in a completely closed pressing state at the moment, then the upper die moves upwards and returns along with the stroke of the punch, the material returning action of the upper die. The utility model has accurate position and size; the riveting torsion can reach more than 14. NM; the appearance is full and beautiful; the product quality is improved, and no waste product is produced.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. A nonporous riveting die for a heat shield comprises an upper template (2) and a lower template (1) which are oppositely arranged, wherein the top surface of the lower template (1) is provided with a lower die holder (11), and the lower die holder (11) is provided with a female die (3); the method is characterized in that: the device also comprises a material pressing device (5) and a spring (6);

an upper die holder (21) is arranged on the bottom surface of the upper die plate (2), and a cavity with an opening at the bottom is arranged in the upper die holder (21); a male die (4) is fixedly arranged in the cavity, and a forming head at the lower end of the male die (4) extends out of an opening of the cavity;

the swaging device (5) is arranged at the opening of the cavity and comprises a body (51) matched with the opening of the cavity in shape, a socket groove (52) matched with the male die (4) is formed in the upper end of the body (51), and a through hole (53) communicated with the socket groove (52) is formed in the lower end of the body (51) and used for enabling a forming head of the male die (4) to penetrate out; the upper end edge of the body (51) extends outwards to form a limiting retainer ring (55);

the spring (6) is sleeved on the male die (4), the upper end of the spring (6) is connected with the cavity, and the lower end of the spring (6) abuts against the limiting check ring (55).

2. A heat shield imperforate riveted mold as recited in claim 1, wherein: the lower end of the material pressing device (5) body (51) is provided with a limiting convex ring (54).

3. A heat shield imperforate riveted mold as recited in claim 1, wherein: the top wall in the cavity of the upper die holder (21) is provided with a backing plate (24), and the male die (4) and the spring (6) are both connected with the backing plate (24).

4. A heat shield imperforate riveted mold as recited in claim 1, wherein: and a limiter (7) is arranged between the upper template (2) and the lower template (1).

5. A heat shield imperforate riveted mold as recited in claim 1, wherein: the lower template (1) is provided with a plurality of guide pillars (12), and the upper template (2) is provided with guide sleeves (22) matched with the guide pillars (12).

6. A heat shield imperforate riveted mold as recited in claim 1, wherein: and a die handle (23) is arranged on the upper die plate (2).