CN218224505U - Shell forming die with thick bottom and thin edge - Google Patents

Abstract

The utility model discloses a shell forming die on thin limit of thick end, including upper die base, die holder and polyurethane rubber cushion, the equal fixedly connected with connecting block in both ends of upper die base, the bottom fixedly connected with locating lever of connecting block, the bottom connection of locating lever is provided with the connecting cylinder, the locating lever belongs to swing joint with the connecting cylinder, connecting cylinder bottom fixedly connected with die, the connecting cylinder is located the both ends four corners position of die. The utility model discloses an at accessories such as die, blank and terrace die, the film material of the whole available high strength carbide of mould as the mould is processed into multi-angle and circular arc molding to the die cavity, puts into the mould to the blank of preforming in, carries out progressively extrusion technology to it through terrace die and kicking piece, reaches the shaping product on thick end featheredge, solves the same thickness on conventional technology base, and the featheredge position does not need follow-up technology processing, improves the uniformity and the efficiency of product greatly.

Description

Shell forming die with thick bottom and thin edge

Technical Field

The utility model relates to the technical field of mold, specifically be a shell forming die of thick end featheredge.

Background

The mould is used for obtaining various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, with different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. Plain has the designation of "industrial mother". The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (punched) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

The existing shell forming die has the defects that the thickness difference existing at the bottom of the existing shell forming die is small and the existing shell forming die is positioned at the bottommost position, so that process errors are easy to occur during extrusion forming, subsequent processing is needed, and the production efficiency of products is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell forming die of thick end featheredge to solve the current shell forming die who provides among the above-mentioned background art, because the thickness difference that its bottom exists is less, and is located bottommost position department, so technological error easily appears when extrusion, consequently need carry out follow-up processing, thereby reduced the production efficiency's of product problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shell forming die of thin limit of thick end, includes upper die base, die holder and polyurethane rubber cushion, the equal fixedly connected with connecting block in both ends of upper die base, the bottom fixedly connected with locating lever of connecting block, the bottom of locating lever is connected and is provided with the connecting cylinder, the locating lever belongs to swing joint with the connecting cylinder, connecting cylinder bottom fixedly connected with die, the connecting cylinder is located the both ends four corners position of die, the intermediate position at die top is provided with the blank.

Preferably, the inside both sides of connecting cylinder all are connected and are provided with interior spout, the bottom fixedly connected with slider of locating lever, the slider belongs to sliding connection with interior spout.

Preferably, the bottom of slider is connected and is provided with compression spring, slider and locating lever realize through compression spring's effect carrying on the work of sliding from top to bottom of repeatability along interior spout and connecting cylinder inside.

Preferably, the female die and the inner part of the lower die holder are both connected with a top piece, and the top of the top piece is contacted with the bottom of the positioning block.

Preferably, a cavity is connected to the position, close to the upper part, inside the female die, and the cavity can be processed into a multi-angle and arc shape according to requirements.

Preferably, the bottom fixedly connected with die holder of die and connecting cylinder, the bottom of die holder is connected and is provided with the rubber backing plate, the rubber backing plate is provided with two, and connects between two rubber backing plates and be provided with the polyurethane rubber cushion.

Preferably, the both sides of blank all are provided with the locating piece, flexible driving piece is installed to one side of locating piece, flexible driving piece is fixed in die top both ends position.

Preferably, a male die is arranged at the top of the blank, a fixing plate is connected to the top of the male die, and the male die and the fixing plate are connected with the bottom of the upper die base.

Preferably, the both ends of rubber tie plate are all fixedly connected with fixed block, and connect between two fixed blocks and be provided with buffer spring, buffer spring and the cooperation of polyurethane rubber pad realize that whole mould has and places buffering stability ability.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) According to the shell forming die with the thick bottom and the thin edge, the high-strength hard alloy can be used as a film material of the die through accessories such as a female die, a blank and a male die, a cavity is processed into a multi-angle and arc shape, the preformed blank is placed into the die, and the male die and a top part are used for gradually extruding the preformed blank, so that a formed product with the thick bottom and the thin edge is achieved, the problem that the same thickness of the bottom edge in the conventional process is solved, the thin edge part does not need subsequent process processing is solved, and the consistency and the efficacy of the product are greatly improved;

(2) According to the shell forming die with the thick bottom and the thin edge, the positioning block is matched with the telescopic driving piece through the positioning block fitting to realize automatic adjustment according to the width of a blank to be positioned, the positioning block performs positioning action on the blank to avoid the problems of deviation or edge defects and the like when the blank is extruded, and the efficiency of the product formed by the blank is improved;

(3) This kind of shell forming die of thick end featheredge, through at the connecting block, the connecting cylinder, accessories such as rubber tie plate and polyurethane rubber cushion, the locating lever is realized along inside spout and the inside effect that slides from top to bottom of connecting cylinder of repetition with slider and compression spring cooperation, play certain resiliency when carrying out extrusion work to the blank for terrace die and liftout drive, effectively improve the life of terrace die and die cavity and upper die base and die, and the bottom of die holder plays the stability ability of antidetonation and blank processing through polyurethane rubber cushion and buffer spring's cooperation, improve the holistic working period stability of mould.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the positioning rod and the connecting cylinder of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the structure of the concave die in a top view;

fig. 5 is a schematic view of the overlooking structure of the positioning block and the female die of the present invention.

In the figure: 1. an upper die holder; 2. connecting blocks; 201. positioning a rod; 202. a slider; 3. a connecting cylinder; 301. An inner chute; 302. a compression spring; 4. a female die; 401. a top piece; 402. a cavity; 5. a blank; 6. Positioning blocks; 601. a telescopic driving member; 7. a male die; 8. a fixing plate; 9. a lower die holder; 10. a rubber pad; 1001. a fixed block; 1002. a buffer spring; 11. polyurethane rubber pad.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a shell forming die with a thick bottom and a thin edge comprises an upper die holder 1, a female die 4, a lower die holder 9 and a polyurethane rubber cushion 11, wherein two ends of the upper die holder 1 are fixedly connected with connecting blocks 2, the bottoms of the connecting blocks 2 are fixedly connected with positioning rods 201, the bottoms of the positioning rods 201 are connected with connecting cylinders 3, two sides inside the connecting cylinders 3 are respectively connected with an inner chute 301, the bottoms of the positioning rods 201 are fixedly connected with sliding blocks 202, and the sliding blocks 202 and the inner chutes 301 are in sliding connection;

the positioning rod 201 and the connecting cylinder 3 are movably connected, the bottom of the connecting cylinder 3 is fixedly connected with a female die 4, the connecting cylinder 3 is positioned at four corners of two ends of the female die 4, and a blank 5 is arranged in the middle of the top of the female die 4;

the bottom of the sliding block 202 is connected with a compression spring 302, and the sliding block 202 and the positioning rod 201 realize repeated up-and-down sliding work along the inner chute 301 and the inside of the connecting cylinder 3 under the action of the compression spring 302;

the female die 4 and the lower die holder 9 are internally provided with a top piece 401 in a connecting way, and the top of the top piece 401 is contacted with the bottom of the positioning block 6;

a cavity 402 is connected to the position close to the upper part in the female die 4, and the cavity 402 can be processed into a multi-angle and arc shape according to requirements;

the bottom parts of the female die 4 and the connecting cylinder 3 are fixedly connected with a lower die base 9, the bottom part of the lower die base 9 is connected with two rubber cushion plates 10, and a polyurethane rubber cushion 11 is connected between the two rubber cushion plates 10;

positioning blocks 6 are arranged on two sides of the blank 5, a telescopic driving piece 601 is arranged on one side of each positioning block 6, and the telescopic driving pieces 601 are fixed at two ends of the top of the female die 4;

the top of the blank 5 is provided with a male die 7, the top of the male die 7 is connected with a fixing plate 8, and the male die 7 and the fixing plate 8 are connected with the bottom of the upper die base 1;

both ends of rubber tie plate 10 are all fixedly connected with fixed block 1001, and connect between two fixed blocks 1001 and be provided with buffer spring 1002, and buffer spring 1002 realizes with the cooperation of polyurethane rubber pad 11 that whole mould has and places buffering stability can.

When the embodiment of the application is used: the whole die can use high-strength hard alloy as a film material of the die, the die cavity 402 is processed into a multi-angle and arc shape, the preformed blank 5 is placed into the die and is gradually extruded by the male die 7 and the top part 401, so that a formed product with thick bottom and thin edge is achieved, the problem that the conventional process has the same thickness at the bottom edge is solved, and the thin edge part does not need subsequent processing.

Claims (9)

1. The utility model provides a shell forming die of thin limit of thick end, its characterized in that, includes upper die base (1), die (4), die holder (9) and polyurethane rubber cushion (11), all fixedly connected with connecting block (2) in both ends of upper die base (1), bottom fixedly connected with locating lever (201) of connecting block (2), the bottom of locating lever (201) is connected and is provided with connecting cylinder (3), locating lever (201) belong to swing joint with connecting cylinder (3), connecting cylinder (3) bottom fixedly connected with die (4), connecting cylinder (3) are located the both ends four corners position of die (4), the intermediate position at die (4) top is provided with blank (5).

2. A mold for forming a thick-bottomed thin-walled outer shell according to claim 1, wherein: the inside both sides of connecting cylinder (3) all are connected and are provided with interior spout (301), the bottom fixedly connected with slider (202) of locating lever (201), slider (202) and interior spout (301) belong to sliding connection.

3. A mold for forming a thick-bottomed thin-edged outer shell according to claim 2, wherein: the bottom of slider (202) is connected and is provided with compression spring (302), slider (202) and locating lever (201) realize through compression spring (302) the effect and carry out the work of sliding from top to bottom of repeatability along interior spout (301) and connecting cylinder (3) inside.

4. A mold for forming a thick-bottomed thin-walled outer shell according to claim 1, wherein: the die (4) and the lower die holder (9) are internally provided with ejection pieces (401) in a connected mode, and the tops of the ejection pieces (401) are in contact with the bottoms of the positioning blocks (6).

5. The mold for forming a thick-bottomed thin-edged shell according to claim 4, wherein: the die is characterized in that a cavity (402) is connected to a position, close to the upper side, inside the female die (4), and the cavity (402) can be machined into a multi-angle and arc shape according to requirements.

6. The mold for forming a thick-bottomed thin-edged shell according to claim 5, wherein: the bottom fixedly connected with die holder (9) of die (4) and connecting cylinder (3), the bottom of die holder (9) is connected and is provided with rubber backing plate (10), rubber backing plate (10) are provided with two, and connect between two rubber backing plates (10) and be provided with polyurethane rubber pad (11).

7. A mold for forming a thick-bottomed thin-walled outer shell according to claim 1, wherein: the utility model discloses a die, including blank (5), telescopic driving piece (601), locating piece (6) are all provided with to the both sides of blank (5), telescopic driving piece (601) are installed to one side of locating piece (6), telescopic driving piece (601) are fixed in die (4) top both ends position.

8. The mold for forming a thick-bottomed thin-edged shell according to claim 7, wherein: the top of the blank (5) is provided with a male die (7), the top of the male die (7) is connected with a fixing plate (8), and the male die (7) and the fixing plate (8) are connected with the bottom of the upper die base (1).

9. The mold for forming a thick-bottomed thin-edged shell according to claim 6, wherein: the utility model discloses a rubber cushion, including rubber backing plate (10), both ends are all fixedly connected with fixed block (1001), and connect between two fixed blocks (1001) and be provided with buffer spring (1002), buffer spring (1002) and polyurethane rubber pad (11) cooperation realize that whole mould has buffering stability ability.

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