CN111589957A

CN111589957A - Front wall plate forming die

Info

Publication number: CN111589957A
Application number: CN202010493134.7A
Authority: CN
Inventors: 袁福珍; 段康伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-08-28

Abstract

The invention discloses a front wall plate forming die and relates to the technical field of front wall plate forming dies. The invention comprises a first main body and a second main body, wherein the bottom of the front side wall of the first main body is provided with a rectangular groove, two sides of the top and the bottom of the first main body are rotatably connected with stripping modules, the front side wall of the first main body is provided with a die cavity, the bottom of the front side wall of the second main body is fixedly connected with a fixing plate through screws, the side wall of the fixing plate far away from the second main body is fixedly connected with a rack, and one end of the rack far away from the second main body extends into the rectangular groove.

Description

Front wall plate forming die

Technical Field

The invention relates to the technical field of front wall plate forming dies, in particular to a front wall plate forming die.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. 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 (blanked) 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 automobile front wall plate is an important component in a cab and is formed by stamping through a die, the existing die is usually used for directly ejecting the well-stamped front wall plate through an ejector rod during demolding, the front wall plate is integrally fragile, and the mode is changed to easily cause deformation or bending of the front wall plate, so that the increase of the contact area of the ejection part and the reduction of the hardness of the ejection part are the directions needed to be developed in the field.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a front wall plate forming die, which solves the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: a front wall plate forming die comprises a first main body and a second main body, wherein a rectangular groove is formed in the bottom of the front side wall of the first main body, demoulding blocks are rotatably connected to the top and the bottom of the first main body respectively, a die cavity is formed in the front side wall of the first main body, a fixing plate is fixedly connected to the bottom of the front side wall of the second main body through screws, a rack is fixedly connected to the side wall of the fixing plate far away from the second main body, one end of the rack far away from the second main body extends into the rectangular groove, and one end of the rack, located inside the rectangular groove, is provided with teeth facing upwards;

the first main part is internally provided with a transmission device, the bottom of the transmission device is in transmission connection with the rack through teeth, and the transmission device is in transmission connection with the four demolding blocks respectively.

Further, transmission includes two transfer lines, two transfer line both ends respectively with drawing of patterns piece axle center department fixed connection, two transfer line week side is rotated respectively and is connected with two connecting pieces, two the connecting piece is fixed in inside the first main part.

Further, all sides fixedly connected with drive gear of transfer line, two drive gear is located between two connecting pieces, two first dead lever of fixedly connected with and second dead lever between the connecting piece respectively, all sides of first dead lever are rotated and are connected with first gear, all sides of second dead lever are rotated and are connected with the second gear, first gear, second gear and two transmission gear week sides are connected through two liang of transmissions of tooth.

Further, first gear week side transmission is connected with the chain, two the equal fixedly connected with first support of lateral wall behind the connecting piece, first support week side rotates and is connected with reduction gear, reduction gear axle center department fixedly connected with third gear, third gear week side is connected with first gear transmission through the chain.

Further, the bottom surface of the first support is fixedly connected with a second support, the circumferential side surface of the second support is rotatably connected with a driving gear, and the circumferential side surface of the driving gear is in transmission connection with a reduction gear through teeth.

Further, drawing of patterns piece appearance is "D" font structure, the coincidence of side wall place plane before vertical one side of the face of drawing of patterns piece and the first main part, the drawing of patterns piece includes the block, block axle center department and transfer line fixed connection, side wall fixedly connected with metal sheet before the block, block week side bread covers there is the buffer layer, the inside packing of buffer layer has thirty six rubber balls.

A method for using a front wall plate forming die comprises the following steps:

s1 stamping, namely, placing a metal plate to be processed on the surface of a first main body, connecting the rear side wall of a second main body with the existing driving device, pushing the second main body to approach the stamping towards the first main body by the driving device, extending one end of a rack into a rectangular groove at the bottom of the first main body, and stamping the metal plate by the second main body to be attached to the inner wall of a die cavity for forming;

s2, the rack drives the driving gear to rotate, the driving gear drives the reduction gear to rotate, the reduction gear drives the coaxial third gear to rotate, the third gear drives the first gear to rotate through the chain, the first gear drives the adjacent transmission gear and the second gear to rotate, the second gear drives the transmission gear at the bottom to rotate, the two transmission gears rotate to drive the transmission rod and the demolding block to rotate, and when the four demolding blocks are attached to the side walls of the first main body and the second main body, the vertical side faces of the four demolding blocks are overlapped with the front side wall of the first main body;

s3 demoulding, after punching forming, the driving device drives the second main body to move towards the direction far away from the first main body, the rack is drawn out from the rectangular groove, the teeth at the top of the rack drive the driving gear to rotate reversely, the driving gear drives the reduction gear to rotate reversely, the reduction gear drives the coaxial third gear to rotate reversely, the third gear drives the first gear to rotate reversely through the chain, the first gear drives the adjacent transmission gear and the second gear to rotate reversely, the second gear drives the transmission gear at the bottom to rotate reversely, the two transmission gears rotate reversely to drive the transmission rod and the demoulding block to rotate, the metal plate rotates into the first main body, the block drives the buffer layer to rotate and extend out from the first main body, the buffer layer is contacted with the metal plate, the demoulding block with a D-shaped structure rotates to generate a gap between the metal plate and the side wall of the first main body, and the rubber, can realize the lossless automatic demoulding of the metal plate.

The invention has the following beneficial effects:

1. this antetheca forming die through setting up four rotatable demoulding piece inside first main part, utilizes transmission to push out the antetheca of stamping forming automatically, and wallboard and mould autosegregation before realizing compare with current ejector pin, and revolution mechanic's the ejecting area of drawing of patterns piece is bigger, and the wallboard atress is even before being convenient for, can cushion the mechanical stress between block and the antetheca through rubber ball deformation, and the wallboard does not receive the damage before can effectively protecting.

2. This preceding wallboard forming die, through setting up transmission in first main part is inside, enlargies the moment of torsion with the power of tooth motion through reduction gear, and four drawing of patterns pieces of drive are rotatory for four drawing of patterns pieces are when the compound die, and vertical lateral wall and the coincidence of first main part preceding lateral wall do not influence the stamping process, and the wallboard is ejecting before automatic when the mould separation, compares with prior art, has improved the automation level of production.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of a first main body according to the present invention;

FIG. 2 is a schematic view of a transmission demoulding unit and a rack combination structure;

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

FIG. 4 is a schematic view of the opposite side of FIG. 2;

FIG. 5 is a left side view of the second body;

FIG. 6 is a left side view of the first body;

FIG. 7 is a left side view of the structure of FIG. 2;

fig. 8 is a schematic view of the internal structure of the stripping module.

In the drawings, the components represented by the respective reference numerals are listed below:

in the figure: 1-a first body, 2-a second body, 3-a demoulding block, 4-a rectangular groove, 5-a mould cavity, 6-a fixing plate, 7-a rack, 8-a transmission rod, 9-a transmission gear, 10-a connecting piece, 11-a first fixing rod, 12-a first gear, 13-a second fixing rod, 14-a second gear, 15-a chain, 16-a third gear, 17-a reduction gear, 18-a first bracket, 19-a second bracket, 20-a driving gear, 31-a block, 32-a metal plate, and 33-a buffer layer.

Detailed Description

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

Referring to fig. 1-8, the present invention provides a technical solution: a front wall plate forming die comprises a first main body 1 and a second main body 2, wherein a rectangular groove 4 is formed in the bottom of the front side wall of the first main body 1, demoulding pieces 3 are rotatably connected to the top and the bottom of the first main body 1, a die cavity 5 is formed in the front side wall of the first main body 1, a fixing plate 6 is fixedly connected to the bottom of the front side wall of the second main body 2 through screws, a rack 7 is fixedly connected to the side wall of the fixing plate 6 far away from the second main body 2, one end, far away from the second main body 2, of the rack 7 extends into the rectangular groove 4, and one end, located inside the rectangular groove 4, of; the first main body 1 is a fixed die, and the second main body 2 is a movable die; a transmission device is arranged inside the first main body 1, the bottom of the transmission device is in transmission connection with the rack 7 through teeth, and the transmission device is in transmission connection with the four demoulding modules 3 respectively.

As shown in fig. 2-4, the transmission device comprises two transmission rods 8, two ends of each transmission rod 8 are respectively and fixedly connected with the axis of the demoulding block 3, the peripheral sides of the two transmission rods 8 are respectively and rotatably connected with two connecting pieces 10, the two connecting pieces 10 are fixed in the first main body 1, the peripheral sides of the transmission rods 8 are fixedly connected with transmission gears 9, the two transmission gears 9 are positioned between the two connecting pieces 10, a first fixing rod 11 and a second fixing rod 13 are respectively and fixedly connected between the two connecting pieces 10, the peripheral side of the first fixing rod 11 is rotatably connected with a first gear 12, the peripheral side of the second fixing rod 13 is rotatably connected with a second gear 14, the peripheral sides of the first gear 12, the second gear 14 and the two transmission gears 9 are in transmission connection with each other through teeth, the peripheral side of the first gear 12 is in transmission connection with a chain 15, the rear, the peripheral side surface of the first bracket 18 is rotationally connected with a reduction gear 17, the axle center of the reduction gear 17 is fixedly connected with a third gear 16, the peripheral side surface of the third gear 16 is in transmission connection with the first gear 12 through a chain 15, the bottom surface of the first bracket 18 is fixedly connected with a second bracket 19, the peripheral side surface of the second bracket 19 is rotationally connected with a driving gear 20, and the peripheral side surface of the driving gear 20 is in transmission connection with the reduction gear 17 through teeth; the peripheral side face of the driving gear 20 is in transmission connection with the teeth at the top of the rack 7, and the rack 7 is in transmission connection with the driving gear 20 when entering the rectangular groove 4; when transmission can realize the compound die, take off the coincidence of 3 vertical faces of module and 1 preceding lateral wall of first main part, can not influence the antetheca punching press, during the mould separation, accessible rack 7 is automatic to be pushed out stamping forming's antetheca, has improved the automation level of production.

As shown in fig. 6-8, the shape of the demolding block 3 is a D-shaped structure, one side of the vertical surface of the demolding block 3 coincides with the plane of the front side wall of the first main body 1, the demolding block 3 comprises a block body 31, the axis of the block body 31 is fixedly connected with the transmission rod 8, the front side wall of the block body 31 is fixedly connected with a metal plate 32, the periphery of the block body 31 is covered with a buffer layer 33, and thirty-six rubber balls are filled in the buffer layer 33; hold in palm preceding wallboard that module 3 can be with the punching press when rotatory and 1 separation of first main part, four take off module 3 and compare with current ejector pin and have bigger ejecting area for the preceding wallboard atress is more even, and simultaneously, the mechanical stress between block 31 and the preceding wallboard can be cushioned to the rubber ball, avoids drawing of patterns piece 3 wallboard before rotatory in-process damage.

s1 stamping, namely, placing a metal plate to be processed on the surface of the first main body 1, connecting the rear side wall of the second main body 2 with the existing driving device, pushing the second main body 2 to approach to stamping towards the first main body 1 by the driving device, extending one end of the rack 7 into the rectangular groove 4 at the bottom of the first main body 1, and stamping the metal plate by the second main body 2 to be attached to the inner wall of the die cavity 5 for forming;

s2, the rack 7 drives the driving gear 20 to rotate, the driving gear 20 drives the reduction gear 17 to rotate, the reduction gear 17 drives the coaxial third gear 16 to rotate, the third gear 16 drives the first gear 12 to rotate through the chain 15, the first gear 12 drives the adjacent transmission gear 9 and the second gear 14 to rotate, the second gear 14 drives the transmission gear 9 at the bottom to rotate, the two transmission gears 9 rotate to drive the transmission rod 8 and the demolding block 3 to rotate, so that when the four demolding blocks 3 are attached to the side walls of the first main body 1 and the second main body 2, the vertical side surfaces of the four demolding blocks 3 are overlapped with the front side wall of the first main body 1;

s3 demoulding, after punching forming, the driving device drives the second main body 2 to move towards the direction far away from the first main body 1, the rack 7 is drawn out from the rectangular groove 4, the teeth at the top of the rack 7 drive the driving gear 20 to rotate reversely, the driving gear 20 drives the reduction gear 17 to rotate reversely, the reduction gear 17 drives the coaxial third gear 16 to rotate reversely, the third gear 16 drives the first gear 12 to rotate reversely through the chain 15, the first gear 12 drives the adjacent transmission gear 9 and the second gear 14 to rotate reversely, the second gear 14 drives the transmission gear 9 at the bottom to rotate reversely, the two transmission gears 9 rotate reversely to drive the transmission rod 8 and the demoulding block 3 to rotate, the metal plate 32 rotates into the first main body 1, the block 31 drives the buffer layer 33 to extend out from the first main body 1, the buffer layer 33 is contacted with the metal plate, the demoulding block 3 with a D-shaped structure rotates to generate a gap between the metal plate and, the rubber ball in the buffer layer 33 deforms through extrusion to buffer the metal plate, so that lossless automatic demolding of the metal plate can be realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A front wall panel forming die comprising a first body (1) and a second body (2), characterized in that: the bottom of the front side wall of the first main body (1) is provided with a rectangular groove (4), the top and the bottom of the first main body (1) are both rotatably connected with a demoulding block (3), the front side wall of the first main body (1) is provided with a die cavity (5), the bottom of the front side wall of the second main body (2) is fixedly connected with a fixing plate (6) through a screw, the side wall of the fixing plate (6) far away from the second main body (2) is fixedly connected with a rack (7), one end of the rack (7) far away from the second main body (2) extends into the rectangular groove (4), and one end of the rack (7) positioned in the rectangular groove (4) is provided with teeth upwards;

the transmission device is arranged inside the first main body (1), the bottom of the transmission device is in transmission connection with the rack (7) through teeth, and the transmission device is in transmission connection with the four demoulding blocks (3) respectively.

2. The front wall panel forming die according to claim 1, wherein the transmission device comprises two transmission rods (8), two ends of each of the two transmission rods (8) are fixedly connected with the axis of the demolding block (3), two connecting pieces (10) are rotatably connected to peripheral sides of the two transmission rods (8), and the two connecting pieces (10) are fixed inside the first main body (1).

3. Front wall panel forming die according to claim 2, characterized in that a transmission gear (9) is fixedly connected to the circumferential side of the transmission rod (8), two transmission gears (9) are located between two connecting pieces (10), a first fixing rod (11) and a second fixing rod (13) are respectively fixedly connected between the two connecting pieces (10), the circumferential side of the first fixing rod (11) is rotatably connected with a first gear (12), the circumferential side of the second fixing rod (13) is rotatably connected with a second gear (14), and the circumferential sides of the first gear (12), the second gear (14) and the two transmission gears (9) are connected in a tooth-tooth transmission manner.

4. A front wall panel forming die according to claim 3, wherein a chain (15) is drivingly connected to the circumferential side of the first gear (12), a first bracket (18) is fixedly connected to each of the rear side walls of the two connecting pieces (10), a reduction gear (17) is rotationally connected to the circumferential side of the first bracket (18), a third gear (16) is fixedly connected to the axial center of the reduction gear (17), and the circumferential side of the third gear (16) is drivingly connected to the first gear (12) through the chain (15).

5. Front wall panel forming die according to claim 4, characterized in that a second bracket (19) is fixedly connected to the bottom surface of the first bracket (18), a driving gear (20) is rotatably connected to the peripheral side surface of the second bracket (19), and the peripheral side surface of the driving gear (20) is in transmission connection with the reduction gear (17) through teeth.

6. The front wall plate forming die of claim 1, wherein the demoulding block (3) is of a D-shaped structure, one side of the vertical surface of the demoulding block (3) coincides with the plane of the front side wall of the first main body (1), the demoulding block (3) comprises a block body (31), the axis of the block body (31) is fixedly connected with the transmission rod (8), the front side wall of the block body (31) is fixedly connected with a metal plate (32), a buffer layer (33) covers the periphery of the block body (31), and thirty-six rubber balls are filled in the buffer layer (33).

7. The use method of the front wall plate forming die is characterized by comprising the following steps:

s1 stamping, namely placing a metal plate to be processed on the surface of a first main body (1), connecting the rear side wall of a second main body (2) with an existing driving device, pushing the second main body (2) to approach to stamping towards the first main body (1), extending one end of a rack (7) into a rectangular groove (4) at the bottom of the first main body (1), and stamping the metal plate by the second main body (2) to enable the metal plate to be attached to the inner wall of a die cavity (5) for forming;

s2, a rack (7) drives a driving gear (20) to rotate, the driving gear (20) drives a reduction gear (17) to rotate, the reduction gear (17) drives a coaxial third gear (16) to rotate, the third gear (16) drives a first gear (12) to rotate through a chain (15), the first gear (12) drives adjacent transmission gears (9) and a second gear (14) to rotate, the second gear (14) drives a transmission gear (9) at the bottom to rotate, the two transmission gears (9) rotate to drive a transmission rod (8) and a demoulding block (3) to rotate, so that when the four demoulding blocks (3) are attached to the side walls of a first main body (1) and a second main body (2), the vertical side surfaces of the four demoulding blocks (3) are overlapped with the front side wall of the first main body (1);

s3 demolding, after punch forming, the driving device drives the second main body (2) to move towards the direction far away from the first main body (1), the rack (7) is drawn out from the rectangular groove (4), the rack teeth at the top of the rack (7) drive the driving gear (20) to rotate reversely, the driving gear (20) drives the reduction gear (17) to rotate reversely, the reduction gear (17) drives the coaxial third gear (16) to rotate reversely, the third gear (16) drives the first gear (12) to rotate reversely through the chain (15), the first gear (12) drives the adjacent transmission gear (9) and the second gear (14) to rotate reversely, the second gear (14) drives the transmission gear (9) at the bottom to rotate reversely, the two transmission gears (9) drive the transmission rod (8) and the demoulding block (3) to rotate, the metal plate (32) rotates into the first main body (1), the block (31) drives the buffer layer (33) to rotate and extend out from the interior of the first main body (1), buffer layer (33) and sheet metal contact, "D" font structure take off module (3) rotatory can make sheet metal and first main part (1) lateral wall between produce the clearance, and rubber ball extrusion deformation in buffer layer (33) cushions sheet metal, can realize the harmless automatic drawing of patterns of sheet metal.