CN217315431U - A continuous punching die for vehicle support cover - Google Patents

Abstract

The utility model discloses a continuous punching die for supporting a cover plate for a vehicle, which comprises an upper die and a lower die. The upper die is provided with an upper die seat, a plurality of upper backing plates, a plurality of upper clamping plates, a plurality of punches, a plurality of stop plates, A number of stripping plates, a number of limit pieces and a number of elastic pieces; a lower die base, a number of lower backing plates, a number of lower templates, a number of limit pieces and a number of elastic pieces are arranged on the lower die. By assembling a plurality of punches on an upper die in sequence, the utility model can combine a large number of small dies into a large die and assemble it on a large tonnage punch, so as to effectively utilize the large tonnage punch and reduce the number of small tonnage punches. Shorten the length of the processing line, improve the work efficiency, reduce the manufacturing cost of the mold, and reduce the production cost; by applying multiple limiters and elastic parts on the mold, each punch can be assisted to complete the normal stamping action, slowing down the impact on the mold. The mold clamping force on each part, and avoid the bouncing phenomenon when the mold is opened, and improve the stamping yield.

Description

A continuous punching die for vehicle support cover

technical field

The utility model relates to the technical field of continuous stamping dies, in particular to a continuous stamping die for supporting a cover plate for vehicles.

Background technique

In production, complex sheet metal parts are generally stamped by a continuous stamping process. The more complex the product, the more complex the mold, the higher the tonnage and precision requirements of the punching machine, and the higher the cost of production equipment. In order to reduce the input cost, multiple smaller tonnage punches and feeders are used for staged stamping production, which can reduce the equipment investment cost and improve the utilization rate of the punching machine. The molds on each punching machine are also relatively simple and durable, but this This production method needs to occupy multiple punches at the same time, requires more operators, and requires a larger production workshop, which has gradually been unable to meet the needs of current production enterprises.

Utility model content

In view of the above problems in the prior art, the utility model provides a continuous punching die for supporting a cover plate for vehicles, which can combine many small dies into a large die and assemble it on a large tonnage punch, so as to effectively utilize the large tonnage punch , Reduce the number of small tonnage punches, shorten the length of the processing line, improve work efficiency, reduce mold manufacturing costs, and reduce production costs.

In order to solve the above-mentioned technical problem, a kind of technical scheme that the utility model adopts is as follows:

A continuous punching die for supporting a cover plate for a vehicle, the punching die comprises an upper die and a lower die;

The upper mold includes an upper mold seat; the lower end of the upper mold seat is arranged with more than two upper backing plates along the traveling direction of the material belt, and the lower end of each of the upper backing plates is provided with an upper clamping plate, each The upper clamping plate is provided with more than one punch, the lower end of each upper clamping plate is provided with a stop plate, and the lower end of each stop plate is movably connected to a stripping plate;

The lower mold includes a lower mold base, and the upper end of the lower mold base is arranged with two or more lower pads along the traveling direction of the material belt, and the upper end of each of the lower pads is provided with a lower template, each The lower mold plates are all arranged just below the stripper plate and are movably connected with the lower mold base.

As a further elaboration on the above technical solutions:

In the above technical solution, the upper mold is provided with a first upper clamping plate and a second upper clamping plate along the traveling direction of the material belt; the lower mold is provided with a first lower template and a second lower template along the traveling direction of the material belt.

In the above technical solution, the first upper plywood is sequentially provided with a set of convex hull punches, a set of forming punches, a set of breaking differential punches and a set of primary bending punches along the traveling direction of the material belt; A group of secondary bending punches, a group of breaking difference punches, a group of edge trimming punches and a group of flattening punches are arranged on the second upper clamping plate in sequence along the traveling direction of the material belt.

In the above technical solution, each of the upper clamping plate, the stop plate and the stripping plate is provided with a plurality of punch holes and grooves adapted to each of the punches.

In the above technical solution, the lower end of the lower die seat is provided with a plurality of lower pads; the lower die seat, each of the lower backing plate and the lower template are provided with a plurality of lower pads adapted to each of the punches into the sub-hole slot.

In the above technical solution, each of the stop plates is provided with more than one first elastic member and more than one second elastic member, and each of the first elastic members extends downward to one of the stripping plates and drivingly connected with it, each of the second elastic pieces passes upward through one of the upper clamping plates and the upper backing plate, and extends to the upper die base, and each of the second elastic pieces is connected to the upper die base. Transmission connection of the upper die base: the lower die base is provided with more than one upwardly extending third elastic piece and a fourth elastic piece, and each of the third elastic pieces extends to a lower backing plate and drives with it connected, each of the fourth elastic members passes through a lower backing plate and extends to a lower template, and each of the lower template is connected with the lower mold base in a driving manner.

In the above technical solution, each of the stripping plates is provided with one or more first limit screws extending to the stop plate; the upper die base is provided with more than one second limit screw, Each of the second limit screws passes through one of the upper backing plates and extends to one of the upper clamping plates; each of the upper backing plates is provided with one or more third limit screws, each of which is The third limit screws all pass through one of the upper backing plate and the upper clamp plate and extend to one of the stop plates; each of the lower template is provided with a fourth limit screw, and each of the first All four limit screws pass through one of the lower backing plates and extend to the lower die base.

Compared with the prior art, the beneficial effect of the present utility model is: by assembling a plurality of punches on a plurality of upper clamping plates in sequence and uniformly assembling them on an upper die seat, many small dies can be combined into a large die and Assembled on a large-tonnage punch press, in order to effectively use the large-tonnage punch, reduce the number of small-tonnage punches, shorten the length of the processing line, improve work efficiency, reduce mold manufacturing costs, and reduce production costs; By applying multiple The stopper can assist each punch to complete the normal punching action; by setting multiple elastic parts, the clamping force exerted on each part during the clamping process can be slowed down, and the bouncing phenomenon of the workpiece during the mold opening process can be avoided. Avoid product bumps and improve stamping yield.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the top view structure schematic diagram of the upper die in the present utility model;

FIG. 3 is a schematic diagram of the structure of the punch in this embodiment.

In the figure: 100, upper die; 110, upper die seat; 120, upper backing plate; 130, upper splint; 131, first upper splint; 132, second upper splint; 140, stop plate; 150, stripper plate ;200, lower die; 210, lower die base; 220, lower backing plate; 230, lower template; 231, first lower template; 232, second lower template; 240, lower foot; 300, punch; 31, convex Packing punch; 32. Forming punch; 33. Primary bending punch; 34. Secondary bending punch; 35. Breaking difference punch; 36. Trimming punch; 37. Leveling punch; 3 , the first elastic member; 4, the second elastic member; 5, the third elastic member; 6, the fourth elastic member; 7, the first limit screw; 8, the second limit screw; 9, the third limit screw ; 10, the fourth limit screw; 400, the material belt; 500, the punch placement plate.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

The embodiments described with reference to the accompanying drawings are exemplary, and are intended to explain the present application and should not be construed as a limitation of the present application. In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "top", "bottom", "front", " Rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore It should not be construed as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first" and "second" may expressly or implicitly include one or more of that feature. In the description of this application, "several" and "plurality" mean two or more, unless otherwise expressly and specifically defined. In this application, unless otherwise expressly specified and limited, terms such as "installation", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations. In this application, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes that the first feature is directly above and diagonally above the second feature, or simply means that the first feature is level higher than the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature has a lower level than the second feature.

As shown in Figures 1-3, a continuous die for supporting a cover plate for a vehicle, the die includes an upper die 100 and a lower die 200;

The upper die 100 includes an upper die seat 110; the lower end of the upper die seat 110 is arranged with more than two upper backing plates 120 along the traveling direction of the material belt, and the lower end of each upper backing plate 120 is provided with an upper clamping plate 130, each The upper clamping plate 130 is provided with more than one punch 300, the lower end of each upper clamping plate 130 is provided with a stop plate 140, and the lower end of each stop plate 140 is movably connected to a stripper plate 150;

The lower die 200 includes a lower die base 210. The upper end of the lower die base 210 is arranged with two or more lower backing plates 220 along the traveling direction of the material belt. The upper end of each lower backing plate 220 is provided with a lower die plate 230. The templates 230 are all disposed directly below a stripper plate 150 and are movably connected with the lower mold base 210 .

Specifically, the upper mold 100 is provided with a first upper clamping plate 131 and a second upper clamping plate 132 along the traveling direction of the material belt; the lower mold 200 is provided with a first lower template 231 and a second lower template 232 along the traveling direction of the material belt.

Specifically, a set of convex hull punches 31, a set of forming punches 32, a set of breaking differential punches 35 and a set of primary bending punches 33 are sequentially arranged on the first upper clamping plate 131 along the traveling direction of the material strip; A set of secondary bending punches 34 , a set of breaking differential punches 35 , a set of edge trimming punches 36 and a flattening punch 37 are sequentially arranged on the second upper clamping plate 132 along the traveling direction of the material belt.

As shown in Figures 2 and 3, more punches 300 are applied on the die in the present invention, and these punches 300 are respectively assembled on two or more upper clamping plates 130 according to the stamping forming process and the structural characteristics of their punches, It realizes the combination of many small dies into a large die and assembles it on a large tonnage punch, which can effectively utilize the large tonnage punch, reduce the number of small tonnage punches used, shorten the length of the processing line, improve the stamping efficiency, and reduce the manufacturing cost of the die. reduce manufacturing cost.

Specifically, each of the upper clamping plate 130 , the stop plate 140 and the stripping plate 150 is provided with a plurality of punch holes and grooves adapted to each punch.

Specifically, the lower end of the lower die base 210 is provided with a plurality of lower pads 240 ; the lower die base 210 , each of the lower pads 220 , and the lower template 230 are provided with a plurality of sub-entry holes adapted to each punch 300 . .

Specifically, each stop plate 140 is provided with more than one first elastic member 3 and more than one second elastic member 4, and each first elastic member 3 extends downward to a stripping plate 150 and is driven therewith connection, each second elastic piece 4 passes upward through an upper clamping plate 130, an upper backing plate 120, and extends to the upper die base 110, and each second elastic piece 4 is connected to the upper die base 110 by driving: the lower die The seat 210 is provided with at least one third elastic member 5 and a fourth elastic member 6 extending upwards, each third elastic member 5 extends to the lower backing plate 220 and is connected with it in a driving manner, and each fourth elastic member 6 is Passing through the lower backing plate 220 and extending to the lower die plate 230 , each lower die plate 230 is connected with the lower die base 210 in a driving manner.

Specifically, each stripper plate 150 is provided with one or more first limit screws 7 extending to the stop plate 140 ; the upper die base 110 is provided with one or more second limit screws 8 , each second limit screw 8 is The limit screws 8 all pass through an upper backing plate 120 and extend to an upper splint 130; each upper backing plate 120 is provided with more than one third limit screw 9, and each third limit screw 9 passes through Passing through an upper backing plate 120, an upper clamping plate 130 and extending to a stop plate 140; each lower template 230 is provided with a fourth limit screw 10, and each fourth limit screw 10 passes through the lower backing plate 220 and extend to the lower die holder 210.

In order to realize the normal operation of the mold as a whole, a number of limit pins and elastic parts are arranged on the upper mold 100 and the lower mold 200 of the present invention. The limit pins can assist the mold to realize safe mold clamping and mold separation, and the elastic parts can assist in realizing the workpiece. The quick stripping stripping plate 150 and the lower template 230 are convenient for removing workpieces and waste material belts. In this embodiment, the first elastic member 3 , the second elastic member 4 , the third elastic member 5 and the fourth elastic member 6 are all springs.

When the mold is closed, the stripping plate 150 first contacts the material belt 400 on the lower template 230, and remains relatively stationary with it; the first elastic member 3 is compressed and deformed by force, slowing down the downward movement speed of the upper clamping plate 130 (punch 300), and the A limit screw 7 limits the distance between the stripper plate 150 and the stop plate 140; the second elastic member 4 is also deformed under pressure, and the second limit screw 8 and the third limit screw 9 limit the upper backing plate 120 and the upper clamping plate 130 (punch 300) moves down the distance to complete the punching action; at the same time, the lower template 230 is pressed down to compress the fourth elastic member 6 and the third elastic member 5, and the fourth limit screw 10 restricts the lower template 230 and the lower pad The downward movement distance of the plate 220 reduces the clamping pressure exerted on the lower die holder 210 .

When the mold is opened, the upper mold 100 moves up, and the upper clamping plate 130 moves up slowly under the action of the rebound force of the second elastic member 4, which drives the punch 300 to leave the material belt. Under the action, the material belt 400 is first pressed and separated from the stop plate 140 to prevent the material belt 400 (product) from jumping up. Under the pulling of the first limit screw 7, the stop plate 140 pulls the stripping plate 150 away from the material belt 400. , complete the mold opening action.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (7)

1. A continuous punching die for a vehicle support cover plate, the punching die comprises an upper die and a lower die; it is characterized in that: The upper mold includes an upper mold seat; the lower end of the upper mold seat is arranged with more than two upper backing plates along the traveling direction of the material belt, and the lower end of each of the upper backing plates is provided with an upper clamping plate, each The upper clamping plate is provided with more than one punch, the lower end of each upper clamping plate is provided with a stop plate, and the lower end of each stop plate is movably connected to a stripping plate; The lower mold includes a lower mold base, and the upper end of the lower mold base is arranged with two or more lower pads along the traveling direction of the material belt, and the upper end of each of the lower pads is provided with a lower template, each The lower mold plates are all arranged just below the stripper plate and are movably connected with the lower mold base. 2 . The continuous die for supporting a cover plate for a vehicle according to claim 1 , wherein the upper die is provided with a first upper clamping plate and a second upper clamping plate along the traveling direction of the material belt; the lower die The upper part is provided with a first lower template and a second lower template along the traveling direction of the material belt. 3 . The continuous punching die for a vehicle support cover plate according to claim 2 , wherein a group of convex hull punches and a group of forming punches are sequentially arranged on the first upper clamping plate along the traveling direction of the material belt. 4 . , a group of punches for breaking difference and a group of punches for primary bending; a group of punches for secondary bending, a group of punches for breaking difference, a group of punches for breaking difference, a group of punches for breaking difference, a group of punches for breaking difference, Trimming punches and Yihe leveling punches. 4 . The continuous die for supporting a cover plate for a vehicle according to claim 3 , wherein each of the upper clamping plate, the stop plate and the stripping plate is provided with a plurality of punches corresponding to each of the punches. 5 . Matching punch holes. 5 . The continuous die for supporting a cover plate for a vehicle according to claim 4 , wherein the lower end of the lower die seat is provided with a plurality of lower pads; the lower die seat and each of the lower pads are provided. 6 . The plate and the lower template are provided with a plurality of sub-entry holes and grooves adapted to each of the punches. 6 . The continuous die for a vehicle support cover plate according to claim 1 , wherein each of the stop plates is provided with one or more first elastic members and one or more first elastic members. 7 . Two elastic members, each of the first elastic members extends downward to a stripping plate and is connected to the stripper plate, and each second elastic member passes upward through an upper clamping plate and an upper backing plate , and extend to the upper die base, each of the second elastic pieces is drivingly connected with the upper die base: the lower die base is provided with more than one upwardly extending third elastic piece and a fourth elastic piece Each of the third elastic pieces extends to a lower backing plate and is connected to the lower backing plate, and each fourth elastic piece passes through a lower backing board and extends to a lower backing plate. On the formwork, each of the lower formwork is in driving connection with the lower die holder. 7 . The continuous die for a vehicle support cover plate according to claim 6 , wherein each of the stripping plates is provided with more than one first limit that extends to the stop plate. 8 . screws; more than one second limit screw is arranged on the upper die base, and each of the second limit screws passes through one of the upper backing plates and extends to one of the upper clamping plates; each of the second limit screws Each of the upper pads is provided with more than one third limit screw, and each of the third limit screws passes through one of the upper pads and the upper splint and extends to one of the stop plates; The lower template is provided with a fourth limit screw, and each of the fourth limit screws passes through a lower backing plate and extends to the lower mold base.

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