CN216297625U - Progressive die for stamping oil cup - Google Patents

Abstract

The utility model discloses an oil cup stamping progressive die which is used for stamping and manufacturing oil cup products from a material belt. The progressive die for stamping the oil cup comprises an upper die and a lower die, wherein a shaping female die and a shaping female die are sequentially arranged at the bottom of the upper die along the conveying direction of a material strip, and a shaping male die matched with the shaping female die are sequentially arranged at the top of the lower die along the conveying direction of the material strip; when the oil cup stamping progressive die operates, the upper die moves downwards to drive the shaping female die to be sleeved outside the shaping male die so as to primarily stretch the shape of the oil cup on the material belt, and simultaneously, the shaping female die is driven to be sleeved outside the shaping male die so as to shape the existing oil cup semi-finished product on the material belt. According to the utility model, by adopting the die structure that the shaping female die and the shaping female die are arranged above the shaping male die and the shaping male die is arranged below the shaping female die, the problems of extrusion deviation, strain and the like of the oil cup in the shaping process are avoided, the reject ratio of products is reduced, the processing precision and the production efficiency are improved, and the manufacturing cost is reduced.

Description

Progressive die for stamping oil cup

Technical Field

The utility model belongs to the technical field of stamping dies, and particularly relates to an oil cup stamping progressive die.

Background

The oil cup is a stainless steel metal product used for a gasoline filter, and is usually manufactured by placing a stainless steel strip into a stamping progressive die and stretching the strip by using a female die and a male die. The manufacturing process mainly comprises the steps of shaping, reshaping, blanking and the like; the shaping step is that the material belt is firstly stretched to the shape of the oil cup; the shaping step is to shape the stretched oil cup on the material belt, including the size and the smoothness of the oil cup; the blanking step is to separate the oil cup products from the material belt.

At present, the main die structure of the existing oil cup stamping progressive die is shown in fig. 1: the female die (comprising a shaping female die 41a and a shaping female die 42a) is arranged on the lower die 4a, the male die (comprising a shaping male die 31a and a shaping male die 32a) is arranged on the upper die 3a, the material belt 1a and the female die are not moved below during stretching, and the male die moves downwards to stretch the material belt 1 a. To explain further, as is well known to those skilled in the art, at the beginning of the shaping step, the strip of material 1a is suspended above the shaping die 42a by the action of the float pins; when the upper die 3a moves downwards, the stripper plate is firstly attached to the material belt 1a under the action of the discharging spring of the upper die 3a to pre-press the material belt; and then the upper die 3a continues to descend until the material belt 1a is attached to the shaping concave die 42a, during the period, the outer wall of the semi-finished product of the oil cup 2a on the material belt 1a enters the shaping concave die 42a, the shaping convex die 32a is inserted into the inner wall of the semi-finished product of the oil cup 2a, and the shaping convex die 32a and the shaping concave die 42a together shape the semi-finished product of the oil cup 2 a.

However, the existing die technology has the following defects: the material belt 1a is prevented from slipping only under the action of the material stripping plate and the material floating pin, but the material belt 1a cannot be effectively positioned, so that the conveying state of the material belt 1a is unstable, the accurate alignment of the shaping female die 42a and the shaping male die 32a with the existing semi-finished product of the oil cup 2a on the material belt 1a cannot be ensured, the phenomena of extrusion deflection, pulling damage and even material dropping of the oil cup 2a can be caused, the product reject ratio is high, and the production efficiency is low; and the size of the oil cup 2a is not easy to control, and the punched oil cup 2a product may need to be subjected to secondary finish machining by a lathe to meet the machining precision requirement of the product, so that the manufacturing cost of the product is high.

Therefore, how to reduce the product reject ratio of the oil cup, improve the processing precision and the production efficiency and reduce the manufacturing cost becomes a technical problem to be solved by the existing oil cup stamping progressive die.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an oil cup stamping progressive die which is used for stamping and manufacturing oil cup products from a material belt, the oil cup stamping progressive die comprises an upper die and a lower die, wherein,

the bottom of the upper die is sequentially provided with a shaping female die and a shaping female die along the conveying direction of the material strip, and the top of the lower die is sequentially provided with a shaping male die matched with the shaping female die and a shaping male die matched with the shaping female die along the conveying direction of the material strip;

when the oil cup stamping progressive die operates, the upper die moves downwards to drive the shaping female die to be sleeved outside the shaping male die so as to primarily stretch the shape of the oil cup on the material belt, and simultaneously, the shaping female die is driven to be sleeved outside the shaping male die so as to shape the existing oil cup semi-finished product on the material belt.

According to the technical scheme, the die structure that the shaping female die and the shaping female die are arranged at the upper part and the shaping male die are arranged at the lower part is adopted, the shaping female die and the shaping male die can be accurately aligned with the existing oil cup semi-finished product on the material belt in the shaping process, the problems that the oil cup is extruded and deviated, is damaged by pulling or even falls off the material and the like in the shaping process are avoided, the product reject ratio is reduced, the processing precision is improved, the processing of the oil cup on one set of progressive die can be completed at one time, the production efficiency is improved, and the manufacturing cost is reduced.

In some embodiments, the lower opening part of the molding surface of the shaping concave die is provided with a flaring first introducing port; the upper end of the molding surface of the shaping convex die is provided with a first fillet surface. According to the technical scheme, the setting female die and the setting male die are smoothly aligned through the first introducing port and the first fillet surface, stable and uniform stretching of the material belt in the setting process is ensured, and the possibility of pulling, cracking and other adverse conditions is avoided.

In some embodiments, the lower opening part of the shaping surface of the shaping concave die is provided with a second introducing port in a flaring shape; and the upper end of the molding surface of the shaping convex die is provided with a second fillet surface. According to the technical scheme, the shaping female die and the shaping male die are smoothly aligned through the second introduction port and the second fillet surface, stable and uniform stretching of the semi-finished oil cup product in the shaping process is ensured, and the possibility of pulling, cracking and other adverse conditions is avoided.

In some of these embodiments, the size of the first introduction port is larger than the size of the second introduction port; the first radiused surface has a dimension greater than a dimension of the second radiused surface. According to the technical scheme, the stable transition from the shaping step to the shaping step of the semi-finished oil cup is realized, the possibility of pulling, cracking and other adverse conditions is avoided, and the processing quality of the oil cup is improved.

In some embodiments, the number of the shaping female dies is multiple, and the sizes of the second inlets are sequentially reduced along the conveying direction of the material belt; the shaping convex dies correspond to the shaping concave dies one by one, and the sizes of the second fillet surfaces are sequentially reduced along the conveying direction of the material belt. This technical scheme has realized improving the plastic effect to the oil cup semi-manufactured goods steady plastic of progressive, and then improves the machining precision of product.

In some embodiments, the height of the molding surface of the shaping male die is less than that of the shaping male die; the heights of the molding surfaces of the shaping convex dies are sequentially increased along the conveying direction of the material belt. This technical scheme further ensures the steady plastic of progressive formula of oil cup semi-manufactured goods, improves the plastic effect, and then improves the machining precision of product.

Based on the technical scheme, the progressive die for stamping the oil cup has the advantages that the die structure that the shaping female die and the shaping female die are arranged on the upper portion and the shaping male die are arranged on the lower portion is adopted, the problems that the oil cup is extruded to be deviated, pulled and the like in the shaping process are solved, the reject ratio of products is reduced, the machining precision is improved, the oil cup can be machined on one set of progressive die at one time, the production efficiency is improved, and the manufacturing cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic structural view of a conventional progressive die for oil cup stamping;

FIG. 2 is a schematic structural view of an oil cup progressive die of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a diagram showing the matching state of the shaping female die and the shaping male die of the present invention;

fig. 6 is a matching state diagram of the shaping female die and the shaping male die of the utility model.

In fig. 1: 1a, a material belt; 2a, an oil cup; 3a, an upper die; 31a, shaping a female die; 32a, shaping a female die; 4a, a lower die; 41a, a shaping male die; 42a, a shaping convex die;

in fig. 2-6: 1. a material belt; 2. an oil cup; 3. an upper die; 31. shaping the female die; 311. a first introduction port; 32. shaping a female die; 321. a second introduction port; 4. a lower die; 41. shaping a male die; 411. a first fillet surface; 42. shaping a male die; 421. a second rounded surface; h1, setting the height of the molding surface of the male die; h2, shaping convex die molding surface height.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in fig. 2, and are only used for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 2-6, the progressive die for punching oil cups of the present invention is used for punching and manufacturing oil cup 2 products from a material strip 1. The progressive die for the oil cup stamping comprises an upper die 3 and a lower die 4, wherein a shaping female die 31 and a shaping female die 32 are sequentially arranged at the bottom of the upper die 3 along the conveying direction of a material belt 1, and a shaping male die 41 matched with the shaping female die 31 and a shaping male die 42 matched with the shaping female die 32 are sequentially arranged at the top of the lower die 4 along the conveying direction of the material belt 1. It should be noted that the upper die 3 and the lower die 4 should be broadly understood herein, and include but not limited to conventional arrangements of a die plate, a positioning mechanism, a guiding mechanism, a feeding mechanism, and a power mechanism, which can be easily implemented by those skilled in the art, and belong to the prior art, and are not described herein.

When the oil cup stamping progressive die operates, the upper die 3 moves downwards to drive the shaping female die 31 to be sleeved outside the shaping male die 41 so as to primarily stretch the shape of the oil cup 2 on the material belt 1, and simultaneously drive the shaping female die 32 to be sleeved outside the shaping male die 42 so as to shape the existing semi-finished product of the oil cup 2 on the material belt 1.

The illustrative embodiment abandons the conventional die structure with a female die at the lower part and a male die at the upper part, which is commonly used in the industry, and innovatively adopts the die structure with the male die at the lower part and the female die at the upper part, so that when the oil cup 2 semi-finished product which is primarily stretched and formed is conveyed to the shaping process, the oil cup 2 semi-finished product can be sleeved at the top end of the shaping male die 42 to form effective positioning, the situations of deviation, dislocation or material dropping and the like of the material strap 1 which moves downwards and is sleeved outside the shaping male die 42 are avoided, the accurate alignment of the shaping female die 32 and the shaping male die 42 and the existing oil cup 2 semi-finished product on the material strap 1 in the shaping process is realized, the problems of extrusion deviation, pulling damage, even material dropping and the like of the oil cup 2 in the shaping process are avoided, the product reject ratio is reduced, the processing precision is improved, and the processing of the oil cup 2 on a set of progressive die is realized at one time, and a lathe is not needed for secondary processing, so that the manpower and material resource investment is reduced, the production efficiency is improved, and the manufacturing cost is reduced.

In addition, in the shaping process, the conventional method in the industry is to pre-press the strip material under the action of the discharging spring to avoid slipping, but the strip material cannot be effectively positioned; in the embodiment, the semi-finished product of the oil cup 2 on the material belt 1 and the shaping male die 42 are effectively positioned, the shaping female die 32 directly moves downwards under the driving of the power mechanism, contacts the material belt 1 in advance and fixes the material belt 1, so that the shaping female die 32, the shaping male die 42 and the semi-finished product of the oil cup 2 are accurately aligned, and the shaping effect is ensured; therefore, the oil cup stamping progressive die does not need power parts such as a discharging spring, and the power output and the part cost are saved.

In some embodiments, the lower mouth portion of the molding surface of the sizing die 31 is provided with a first introduction port 311 in a flared shape; the upper end of the molding surface of the shaping punch 41 is provided with a first fillet surface 411. In the exemplary embodiment, the first introducing port 311 and the first fillet surface 411 are arranged, so that the shaping female die 31 and the shaping male die 41 are aligned smoothly, the stable and uniform stretching of the material strap 1 in the shaping process is ensured, and the possibility of poor conditions such as strain, pull crack and the like is avoided.

In some embodiments, the lower mouth portion of the molding surface of the shaping die 32 is provided with a second introduction port 321 in a flared shape; the upper end of the molding surface of the shaping punch 42 is provided with a second fillet surface 421. In the exemplary embodiment, the second introducing port 321 and the second fillet surface 421 are arranged, so that the shaping female die 32 and the shaping male die 42 are aligned smoothly, the semi-finished product of the oil cup 2 is stretched smoothly and uniformly in the shaping process, and the possibility of defects such as strain, pull crack and the like is avoided. In addition, when the shaping die 32 moves downward to contact the material tape 1, the second introduction port 321 first contacts the semi-finished product of the oil cup 2, and the function of fixing the material tape 1 to prevent the movement of the material tape 1 is achieved.

In some embodiments, the size of the first introduction port 311 is greater than the size of the second introduction port 321; the size of the first fillet surface 411 is larger than that of the second fillet surface 421. This exemplary embodiment has realized the smooth transition of oil cup 2 semi-manufactured goods from the design step to the plastic step, avoids probably taking place to pull bad condition such as fracture, improves the processingquality of product.

In some embodiments, the number of the shaping dies 32 is multiple, and the sizes of the second inlets 321 decrease sequentially along the conveying direction of the material tape 1; the shaping convex dies 42 correspond to the shaping concave dies 32 one by one, and the sizes of the second round corner surfaces 421 are sequentially reduced along the conveying direction of the material belt 1. As shown in fig. 2, in the present embodiment, the shaping process is 4, that is, 4 times of shaping operations are performed on the semi-finished product of the oil cup 2; however, it should be understood that the present invention is not limited thereto, and those skilled in the art can flexibly adjust and set the shaping times according to the actual processing requirements. This schematic embodiment has realized the steady plastic of progressive formula that has advanced to the semi-manufactured goods of oil cup 2, improves the plastic effect, and then improves the machining precision of product.

In some embodiments, the land height H1 of the shaping punch 41 is less than the land height H2 of the shaping punch 42; the height H2 of the molding surfaces of the shaping punches 42 increases in sequence in the conveying direction of the tape 1. It can be understood that the side wall size of the molding surface of the shaping punch 41 is larger than that of the shaping punch 42, and the side wall sizes of the molding surfaces of the shaping punches 42 are reduced in sequence along the conveying direction of the material strip 1; similarly, the inner wall size of the molding surface of the shaping die 31 is larger than the inner wall size of the molding surface of the shaping die 32, and the inner wall sizes of the molding surfaces of the shaping dies 32 are sequentially reduced along the conveying direction of the tape 1. This schematic embodiment further ensures the steady plastic of progressive formula of stepping to the semi-manufactured goods of oil cup 2, improves the plastic effect, and then improves the machining precision of product.

The main operation steps of punching and manufacturing the oil cup 2 product from the material belt 1 by using the oil cup punching progressive die of the utility model are briefly described by combining the figures 2-6:

1) putting one end of the material belt 1 into an oil cup stamping progressive die, and starting the oil cup stamping progressive die;

2) shaping: the upper die 3 moves downwards under the action of the power mechanism to drive the shaping female die 31 to move downwards until the shaping female die is sleeved outside the shaping male die 41, and the shape of the oil cup 2 is preliminarily stretched on the material belt 1; then, the upper die 3 is reset, and the floating pin floats the material belt 1;

3) shaping: the material belt 1 is conveyed forward step by step under the action of a feeding mechanism, a semi-finished product of the oil cup 2 which is primarily stretched and formed is conveyed to a shaping procedure, and the semi-finished product of the oil cup 2 is sleeved at the top end of a shaping male die 32 to form positioning; then, the upper die 3 moves downwards under the action of the power mechanism to drive the shaping female die 32 to move downwards until the shaping female die 42 is sleeved with the shaping female die, and the semi-finished product of the oil cup 2 on the material belt 1 is shaped in the period; then, the upper die 3 is reset, and the floating pin floats the material belt 1; the material belt 1 is continuously conveyed forwards in a stepping mode, and multiple shaping is carried out; it can be understood that, in the shaping step, the oil cup stamping progressive die also synchronously performs the shaping step of the next oil cup 2 on the material belt 1;

4) a blanking step: after the shaping step is finished, the material belt 1 is continuously conveyed forwards in a stepping mode under the action of the feeding mechanism and is conveyed to a blanking process; then, the upper die 3 moves downwards under the action of the power mechanism, so that the oil cup 2 product is cut off and separated from the material belt 1, and automatically falls off.

It can be understood that the oil cup 2 is punched and manufactured from the material belt 1 by using the progressive die for punching the oil cup, the machining of the oil cup 2 can be completed at one time, and the oil cup 2 has high dimensional precision and good wall surface smoothness, so that a lathe is not required for secondary machining.

In conclusion, the progressive die for oil cup stamping disclosed by the utility model has the advantages that by adopting the die structure that the shaping female die 31 and the shaping female die 32 are arranged on the upper portion and the shaping male die 41 and the shaping male die 42 are arranged on the lower portion, the problems of extrusion deflection, pulling damage and the like in the shaping process of the oil cup 2 are avoided, the reject ratio of products is reduced, the processing precision is improved, the investment of manpower and material resources is reduced, the production efficiency is improved, and the manufacturing cost is reduced.

Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims (6)

1. The utility model provides an oil cup punching press upgrades mould for from the upper punch-press of material area makes the oil cup product, the oil cup punching press upgrades the mould and includes mould and lower mould, its characterized in that:

the bottom of the upper die is sequentially provided with a shaping female die and a shaping female die along the conveying direction of the material strip, and the top of the lower die is sequentially provided with a shaping male die matched with the shaping female die and a shaping male die matched with the shaping female die along the conveying direction of the material strip;

when the oil cup stamping progressive die operates, the upper die moves downwards to drive the shaping female die to be sleeved outside the shaping male die so as to primarily stretch the shape of an oil cup on the material belt, and simultaneously, the shaping female die is driven to be sleeved outside the shaping male die so as to shape the existing semi-finished oil cup on the material belt.

2. The progressive die for oil cup stamping according to claim 1, wherein a first introducing port in a flared shape is provided at a lower mouth portion of the molding surface of the shaping female die; and the upper end of the molding surface of the shaping male die is provided with a first fillet surface.

3. The progressive die for oil cup punching according to claim 2, wherein a second introduction port having a flared shape is provided at a lower mouth portion of the molding surface of the shaping die; and the upper end of the forming surface of the shaping convex die is provided with a second fillet surface.

4. The progressive die for oil cup stamping of claim 3 wherein the first lead-in opening is larger in size than the second lead-in opening; the first radiused surface has a dimension greater than a dimension of the second radiused surface.

5. The progressive die for oil cup punching according to claim 4, wherein the number of the shaping female dies is plural, and the sizes of the plurality of second introduction ports are sequentially reduced along the conveying direction of the material belt; the shaping convex dies correspond to the shaping concave dies one by one, and the sizes of the second fillet faces are sequentially reduced along the conveying direction of the material belt.

6. The progressive die for oil cup punching of claim 5 wherein the shaping punch has a forming surface height less than the shaping punch; the heights of the molding surfaces of the shaping convex dies are sequentially increased along the conveying direction of the material belt.

Images