CN220049713U - Radiating pipe plug stamping die - Google Patents

Abstract

The utility model provides a radiating pipe plug stamping die, which comprises an upper die assembly and a lower die assembly which are oppositely arranged, wherein a curve lapping edge between a workpiece plate and the edge of a material belt and between adjacent workpiece plates is respectively stamped by using a trimming punch on the upper die assembly and a trimming punching insert on the lower die assembly, the ductility of the lapping edge is enhanced on the premise of not changing the width of the lapping edge, and the lapping edge is not easy to break, so that the smooth running of stretching is ensured, and the qualification rate of the plug is improved.

Description

Radiating pipe plug stamping die

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a cooling tube plug stamping die.

Background

One end of a radiating pipe on an automobile air conditioner pipeline is required to be plugged through a plug, the plug on the existing radiating pipe is manufactured through stamping forming, when the plug is stamped by the existing stamping die, a round workpiece plate is punched on a material belt, then the workpiece plate is subjected to subsequent processing such as stretching and shaping, and as the butt joint between the punched round workpiece plate and the edge of the material belt is a straight edge, the butt joint is pulled and broken after the round workpiece plate is stretched, the subsequent processing of the plug is affected, and the yield and the processing efficiency are reduced.

Disclosure of Invention

According to the technical problem, a cooling tube plug stamping die is provided. The stamping die for the radiating pipe plug provided by the utility model mainly utilizes the trimming punch to respectively punch out the curve lapping edges between the workpiece plate and the edge of the material strip and between the adjacent workpiece plates, so that the ductility of the lapping edges is enhanced, the lapping edges are not easy to break, the smooth running of the stretching is ensured, and the qualification rate of the plug is improved.

The utility model adopts the following technical means:

the utility model provides a cooling tube end cap stamping die, includes upper die subassembly and the lower die subassembly that sets up relatively, upper die subassembly from the top down has set gradually upper die base, upper padding plate, punch holder, end stop and take off the flitch, lower die subassembly from the top down has set gradually lower bolster, lower padding plate and die holder, locating hole drift, side cut drift subassembly, tensile drift subassembly, plastic drift and blanking drift have set gradually along the direction that the material area removed on the punch holder; the lower die plate is sequentially provided with a punching insert corresponding to the positioning hole punch, a trimming punching insert component corresponding to the trimming punch component, a stretching floating bottom component corresponding to the stretching punch component, a shaping floating bottom corresponding to the shaping punch and a blanking punching insert corresponding to the blanking punch along the moving direction of the material belt;

the trimming punch assembly comprises two groups of trimming punches which are sequentially arranged along the moving direction of the material belt, wherein one group of trimming punches comprises a first trimming punch and a second trimming punch which are oppositely arranged along the width direction of the material belt, and the other group of trimming punches comprises a third trimming punch and a fourth trimming punch which are oppositely arranged along the width direction of the material belt, and the first trimming punch and the fourth trimming punch are identical in structure and are respectively located on two sides of the width direction of the material belt in a staggered mode;

the trimming and punching sub-assembly comprises a first trimming and punching sub-assembly, a second trimming and punching sub-assembly, a third trimming and punching sub-assembly and a fourth trimming and punching sub-assembly which are arranged corresponding to a trimming punch of the trimming punch assembly; the first trimming punch and the first trimming punch insert form a first cutting edge, the second trimming punch and the second trimming punch insert form a second cutting edge, the third trimming punch and the third trimming punch insert form a third cutting edge, the fourth trimming punch and the fourth trimming punch insert form a fourth cutting edge, the first cutting edge is located on one side of the width of the material belt, the fourth cutting edge is located on the other side of the width of the material belt, after the material belt is processed through the first cutting edge and the third cutting edge, a first bending overlap edge between a workpiece plate and the edge of the material belt is formed in the direction of the width of the material belt, and after the material belt is processed through the second cutting edge and the fourth cutting edge, a second bending overlap edge is formed between two workpiece plates adjacent to each other in a staggered manner in the moving direction of the material belt.

Further, the first bending lapping edge is S-shaped, one end of the first bending lapping edge is correspondingly connected to one side of the workpiece plate close to the positioning hole, and the other end of the first bending lapping edge is correspondingly connected to the outer circumferential surface of the positioning hole in the width direction of the material belt; the second bending overlap is S-shaped and is correspondingly connected between two workpiece plates adjacent in a staggered manner.

Further, the stretching floating bottom assembly is mounted on the lower die plate through a stretching insert, and the shaping floating bottom is mounted on the lower die plate through a shaping insert.

Further, the stretching punch assembly comprises a first stretching punch and a second stretching punch which are sequentially arranged; the stretching floating bottom assembly comprises a first stretching floating bottom matched with the first stretching punch head and a second stretching floating bottom matched with the second stretching punch head.

Further, the lower backing plate is symmetrically provided with floating pins along the moving direction of the material belt, and the floating pins are arranged on the lower backing plate

The lower part of the material pin is movably inserted into the lower die plate, and the upper part of the floating material pin is provided with an annular guide groove, and the width of the annular guide groove is not less than the thickness of the plate material.

Further, a positioning needle is arranged on the stripper plate.

Further, two rows of workpiece plates on the material belt are staggered along the moving direction of the material belt.

Further, the upper die holder, the upper base plate and the upper clamping plate are fixedly connected through a first bolt, and the stop plate and the stripper plate are fixedly connected through a second bolt; the lower die plate, the lower base plate and the lower die holder are fixedly connected through a third bolt.

The utility model has the following advantages:

the utility model provides a radiating pipe plug stamping die, which comprises an upper die assembly and a lower die assembly which are oppositely arranged, wherein a curve lapping edge between a workpiece plate and the edge of a material belt and between adjacent workpiece plates is respectively stamped by using a trimming punch on the upper die assembly and a trimming punching insert on the lower die assembly, the ductility of the lapping edge is enhanced on the premise of not changing the width of the lapping edge, and the lapping edge is not easy to break, so that the smooth running of stretching is ensured, and the qualification rate of the blanking plug is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a front view structure of an embodiment of the present utility model;

FIG. 2 is a schematic top view of a lower die assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic bottom view of an upper membrane module according to an embodiment of the utility model;

fig. 4 is a layout diagram of a plug forming process according to an embodiment of the present utility model.

In the figure: 1. the die comprises an upper die holder, 2, an upper backing plate, 3, an upper clamping plate, 4, a stop plate, 5, a stripper plate, 6, a lower die plate, 7, a lower backing plate, 8, a lower die holder, 9, a shaping punch, 10, a blanking punch, 11, a first trimming punch, 12, a second trimming punch, 13, a third trimming punch, 14, a fourth trimming punch, 15, a first bending overlap edge, 16, a second bending overlap edge, 17, a first stretching punch, 18, a second stretching punch, 19, a first stretching floating bottom, 20, a second stretching floating bottom, 21, a floating pin, 22, a positioning pin, 23, a shaping floating bottom, 24, a material belt, 25, a workpiece plate, 26, a first bolt, 27, a second bolt, 28, a third bolt, 29, a positioning hole, 30, a blanking punch, 31, a first trimming punch, 32, a second trimming punch, 33, a third trimming punch, 34 and a fourth trimming punch.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-4, a cooling tube plug stamping die is used for punching a plug for a cooling tube, and comprises an upper die assembly and a lower die assembly which are oppositely arranged, wherein the upper die assembly is sequentially provided with an upper die holder 1, an upper base plate 2, an upper clamping plate 3, a stop plate 4 and a stripper plate 5 from top to bottom, the upper die holder 1, the upper base plate 2 and the upper clamping plate 3 are fixedly connected through a first bolt 26, and the stop plate 4 and the stripper plate 5 are fixedly connected through a second bolt 27. The lower die assembly is provided with a lower die plate 6, a lower base plate 7 and a lower die holder 8 from top to bottom in sequence, wherein the lower die plate 6, the lower base plate 7 and the lower die holder 8 are fixedly connected through a third bolt 28.

The upper clamping plate 3 is sequentially provided with a locating hole punch, a trimming punch assembly, a stretching punch assembly, a shaping punch 9 and a blanking punch 10 along the moving direction of the material belt 24. The lower die plate 6 is sequentially provided with a punching insert corresponding to the positioning hole punch, an edge cutting punching insert sub-assembly corresponding to the edge cutting punch assembly, a stretching floating bottom assembly corresponding to the stretching punch assembly, a shaping floating bottom 23 corresponding to the shaping punch 9 and a blanking punching insert 30 corresponding to the blanking punch along the moving direction of the material belt 24. Specifically, the trimming punch assembly includes two sets of trimming punches sequentially arranged along the moving direction of the material strip 24, one set of trimming punches includes a first trimming punch 11 and a second trimming punch 12 which are oppositely arranged along the width direction of the material strip 24, the other set of trimming punches includes a third trimming punch 13 and a fourth trimming punch 14 which are oppositely arranged along the width direction of the material strip 24, the first trimming punch 11 and the fourth trimming punch 14 are identical in structure and are respectively located on two sides of the width direction of the material strip 24 in a staggered manner, the second trimming punch 12 faces the first trimming punch 11, and the third trimming punch 13 faces the fourth trimming punch 14. The trimming and punching-in subassembly comprises a first trimming and punching-in subassembly 31, a second trimming and punching-in subassembly 32, a third trimming and punching-in subassembly 33 and a fourth trimming and punching-in subassembly 34 which are arranged corresponding to the trimming punch of the trimming punch assembly; the first trimming punch 11 and the first trimming punch insert 31 form a first edge opposite to each other, the second trimming punch 12 and the second trimming punch insert 32 form a second edge opposite to each other, the third trimming punch 13 and the third trimming punch insert 33 form a third edge opposite to each other, the fourth trimming punch 14 and the fourth trimming punch insert 34 form a fourth edge opposite to each other, the first edge is located at one side of the width of the material strip 24, the fourth edge is located at the other side of the width of the material strip 24, that is, the fourth edge is located at an oblique opposite surface to the first edge, the second edge is located opposite to the first edge, the third edge is located opposite to the fourth edge, after the material strip 24 is processed by the first edge and the third edge, a first bending lap edge 15 between the workpiece plate 25 and the edge of the material strip 24 is formed in the width direction of the material strip 24, and after the material strip 24 is processed by the second edge and the fourth edge, a second bending lap edge 16 is formed between two workpiece plates 25 adjacent to each other in a dislocation direction in which the material strip 24 moves. And after punching by the first cutting edge, the second cutting edge, the third cutting edge and the fourth cutting edge, two rows of workpiece plates 25 staggered along the moving direction of the material belt 24 are formed on the material belt 24, so that the punching speed is improved, and the raw materials are saved.

It should be noted that, in this embodiment, by two sets of edge trimming punches and the cutting edges formed by the edge trimming punching inserts corresponding to the two sets of edge trimming punches, after the material strip 24 is punched, a curved scrap between the workpiece plate 25 and the edge of the material strip 24 can be formed, and a curved scrap between two adjacent workpiece plates 25 can be formed, because the structure of the curved scrap is different from that of the existing straight scrap, the curved scrap has better ductility than that of the straight scrap, and therefore, when the curved scrap can prevent the next step of stretching, the scrap is broken.

In order to improve the ductility of the bending overlap, the first bending overlap 15 has two bending portions and is S-shaped, one end of which is correspondingly connected to one side of the workpiece plate 25 near the positioning hole 29, and the other end of which is correspondingly connected to the outer circumferential surface of the positioning hole 29 in the width direction of the material belt 24; the second bending strap 16 has two bending portions and is S-shaped and is correspondingly connected between two workpiece plates 25 which are offset adjacent to each other. It should be noted that, in other embodiments, the first curved edge 15 and the second curved edge 16 may have a plurality of curved portions, for example, a wavy line shape having a plurality of curved portions.

For the convenience of stretching, a stretching floating bottom component is arranged on the lower die plate 6 through a stretching insert, a shaping floating bottom 23 is arranged on the lower die plate 6 through a shaping insert, and a mounting hole matched with the shaping insert is formed in the lower die plate.

In order to improve the stretching precision, the stretching punch assembly comprises a first stretching punch 17 and a second stretching punch 18 which are sequentially arranged; the stretch float assembly comprises a first stretch float 19 adapted to the first stretch punch 17 and a second stretch float 20 adapted to the second stretch punch 18. During operation, stretching precision can be ensured through twice stretching.

In order to facilitate the movement of the material belt, the lower base plate 7 is symmetrically provided with floating pins 21 along the movement direction of the material belt 24, the lower parts of the floating pins 21 are movably inserted into the lower die plate 6, the upper parts of the floating pins 21 are provided with annular guide grooves, and the width of the annular guide grooves is not smaller than the thickness of the material belt 24.

In order to facilitate positioning during stamping and improve stamping precision, the stripper plate 5 is provided with positioning pins 22.

It should be noted that, the stamping die for the radiating pipe plug mainly uses the trimming punch to punch out the curved lapping edges between the workpiece plate 25 and the edge of the material belt 24 and between the adjacent workpiece plates 25, which enhances the ductility of the lapping edges and is not easy to break under the premise of not changing the width of the lapping edges, thereby ensuring the smooth running of the stretching and improving the qualification rate of the plug.

It should be noted that the detailed portions of the present utility model are not described in the prior art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

In the description of the present utility model, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (8)

1. The utility model provides a cooling tube end cap stamping die which characterized in that: the upper die assembly is sequentially provided with an upper die seat, an upper base plate, an upper clamping plate, a stop plate and a stripper plate from top to bottom, the lower die assembly is sequentially provided with a lower die plate, a lower base plate and a lower die seat from top to bottom, and the upper clamping plate is sequentially provided with a locating hole punch, a trimming punch assembly, a stretching punch assembly, a shaping punch and a blanking punch along the moving direction of a material belt; the lower die plate is sequentially provided with a punching insert corresponding to the positioning hole punch, a trimming punching insert component corresponding to the trimming punch component, a stretching floating bottom component corresponding to the stretching punch component, a shaping floating bottom corresponding to the shaping punch and a blanking punching insert corresponding to the blanking punch along the moving direction of the material belt;

the trimming punch assembly comprises two groups of trimming punches which are sequentially arranged along the moving direction of the material belt, wherein one group of trimming punches comprises a first trimming punch and a second trimming punch which are oppositely arranged along the width direction of the material belt, and the other group of trimming punches comprises a third trimming punch and a fourth trimming punch which are oppositely arranged along the width direction of the material belt, and the first trimming punch and the fourth trimming punch have the same structure and are respectively positioned at two sides of the width direction of the material belt in a staggered manner;

the trimming and punching sub-assembly comprises a first trimming and punching sub-assembly, a second trimming and punching sub-assembly, a third trimming and punching sub-assembly and a fourth trimming and punching sub-assembly which are arranged corresponding to a trimming punch of the trimming punch assembly; the first trimming punch and the first trimming punch insert form a first cutting edge, the second trimming punch and the second trimming punch insert form a second cutting edge, the third trimming punch and the third trimming punch insert form a third cutting edge, the fourth trimming punch and the fourth trimming punch insert form a fourth cutting edge, the first cutting edge is located on one side of the width of the material belt, the fourth cutting edge is located on the other side of the width of the material belt, after the material belt is processed through the first cutting edge and the third cutting edge, a first bending overlap edge between a workpiece plate and the edge of the material belt is formed in the direction of the width of the material belt, and after the material belt is processed through the second cutting edge and the fourth cutting edge, a second bending overlap edge is formed between two workpiece plates adjacent to each other in a staggered manner in the moving direction of the material belt.

2. The radiating pipe plug stamping die of claim 1, wherein: the first bending lapping edge is S-shaped, one end of the first bending lapping edge is correspondingly connected to one side of the workpiece plate close to the positioning hole, and the other end of the first bending lapping edge is correspondingly connected to the outer circumferential surface of the positioning hole in the width direction of the material belt; the second bending overlap is S-shaped and is correspondingly connected between two workpiece plates adjacent in a staggered manner.

3. The radiating pipe plug stamping die of claim 1, wherein: the stretching floating bottom assembly is arranged on the lower die plate through the stretching insert, and the shaping floating bottom is arranged on the lower die plate through the shaping insert.

4. A radiating pipe plug stamping die as defined in claim 3, wherein: the stretching punch assembly comprises a first stretching punch and a second stretching punch which are sequentially arranged; the stretching floating bottom assembly comprises a first stretching floating bottom matched with the first stretching punch head and a second stretching floating bottom matched with the second stretching punch head.

5. The radiating pipe plug stamping die of claim 1, wherein: the upper part of the floating material pin is provided with an annular guide groove, and the width of the annular guide groove is not smaller than the thickness of the plate.

6. The radiating pipe plug stamping die of claim 1, wherein: and the stripper plate is provided with a positioning needle.

7. The radiating pipe plug stamping die of claim 1, wherein: the workpiece plates on the material belt are staggered in two rows along the moving direction of the material belt.

8. A radiator plug stamping die according to any one of claims 1 to 7, characterized in that: the upper die holder, the upper base plate and the upper clamping plate are fixedly connected through a first bolt, and the stop plate and the stripper plate are fixedly connected through a second bolt; the lower die plate, the lower base plate and the lower die holder are fixedly connected through a third bolt.