CN210362323U

CN210362323U - Die set

Info

Publication number: CN210362323U
Application number: CN201921181619.1U
Authority: CN
Inventors: 王纯东; 陈强; 陈旭峰; 郑琴
Original assignee: Qingling Motors Group Co Ltd; Chongqing Qingling Plastic Co Ltd
Current assignee: Qingling Motors Group Co Ltd; Chongqing Qingling Plastic Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-21
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a mould field especially relates to a mould with secondary is ejecting and reset function. The mould assembling device comprises a resetting mechanism, a mounting plate, a front mould and a rear mould positioned between the mounting plate and the front mould, wherein a primary ejection mechanism for ejecting a product in the rear mould once is mounted on the mounting plate, a secondary ejection mechanism for ejecting a product in the rear mould twice is arranged between the mounting plate and the rear mould, and the front mould drives the resetting mechanism to push the primary ejection mechanism and the secondary ejection mechanism to reset in the mould assembling process of the front mould and the rear mould. The utility model has the advantages that: through setting up once ejection mechanism and the secondary ejection mechanism that can independently operate for the product just ejecting from the back mould completely through twice ejection stroke, avoids single ejection mechanism to cause because of ejection stroke overlength that the piece card dies, the strain, has improved the stability and the life of mould operation.

Description

Die set

Technical Field

The utility model relates to a mould field especially relates to a mould with secondary is ejecting and reset function.

Background

In the mold design, in order to ensure that a complex product is ejected smoothly in the ejection process, the mold ejection structure is often designed according to the shape of the product. Particularly, in a mold for producing plastic parts, because the plastic part product is complex in shape, the product is often ejected by using ejection members such as a flat ejector pin and an ejector sleeve, but under the condition that the ejection distance of the ejection members such as the flat ejector pin and the ejector sleeve is longer, the ejection members such as the flat ejector pin and the ejector sleeve are easily damaged or even stuck in the movement process, and the production efficiency of the product and the service life of the mold are seriously affected.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a mould for solve among the prior art mould liftout piece easily card dead, strain scheduling problem.

For realizing above-mentioned purpose and other relevant purposes, the utility model provides a mould, including canceling release mechanical system, mounting panel, front mould and be located the back mould between mounting panel and the front mould, install on the mounting panel and be used for once ejecting ejection mechanism of product in the back mould, be equipped with between mounting panel and the back mould and be used for the ejecting secondary ejection mechanism of product secondary in the back mould, the front mould is in-process with the back mould compound die, the operation of front mould drives that canceling release mechanical system promotes ejection mechanism and secondary ejection mechanism and resets.

The utility model has the advantages that: through setting up once ejection mechanism and the secondary ejection mechanism that can independently operate for the product just ejecting from the back mould completely through twice ejection stroke, avoids single ejection mechanism to cause because of ejection stroke overlength that the piece card dies, the strain, has improved the stability and the life of mould operation.

Optionally, the reset mechanism includes a collision block and a rotation block rotatably mounted on the rear mold, the front mold is connected to the collision block and drives the collision block to move, so that the rotation block pushes the secondary ejection mechanism and the primary ejection mechanism to reset in the rotation process.

Optionally, the reset mechanism further includes a first fixed block, a second fixed block, and a guide support block, the first fixed block and the second fixed block are mounted on the secondary ejection mechanism and are respectively located at two sides of the collision block to form guide grooves, the first fixed block and the rotating block are located at the same side of the collision block, and the guide support block is mounted on the rear mold and is located at the same side of the collision block as the second fixed block.

Optionally, the rear mold is provided with a limit pin for limiting the swing range of the rotating block towards the front mold.

The beneficial effect of adopting the above optional scheme is: the resetting mechanism has the advantages of simple structure, flexible movement and difficult jamming or damage, and ensures the accurate resetting of the primary ejection mechanism and the secondary ejection mechanism.

Optionally, a mounting groove is formed in the mounting plate, the primary ejection mechanism is movably mounted in the mounting groove, the primary ejection mechanism moves along the mounting groove to eject a product, and the rotation and movement range of the primary ejection mechanism is limited by an anti-rotation limiting part on the mounting plate.

Optionally, the primary ejection mechanism comprises a mounting seat, a first ejection piece and a first elastic piece are mounted on the mounting seat, two ends of the first elastic piece respectively abut against the mounting seat and the mounting plate, and the first elastic piece provides elasticity for the first ejection piece to move to eject the product.

Optionally, the mounting seat is of a columnar structure, a cavity for mounting the first elastic piece is formed in the mounting seat, and a limiting portion for limiting the moving range of the mounting seat and a rotation stopping plane for limiting the rotation of the mounting seat are arranged on the mounting seat.

Optionally, still including the pushing mechanism who is used for promoting the operation of secondary ejection mechanism, secondary ejection mechanism includes thimble board, thimble board fixed plate and second liftout piece, the thimble board is withstood to the first end of second liftout piece, the second end of second liftout piece passes the thimble board fixed plate, the second liftout piece is fixed in thimble board and the cooperation of thimble board fixed plate, pushing mechanism promotes the thimble board and drives the second liftout piece and remove ejecting product.

Optionally, one side of the ejector plate facing the mounting plate is provided with an avoiding groove for avoiding the primary ejection mechanism.

Optionally, a second elastic piece for pushing the secondary ejection mechanism to return and reset is further installed on the secondary ejection mechanism, and two ends of the second elastic piece respectively push against the secondary ejection mechanism and the rear mold.

The beneficial effect of adopting the above optional scheme is: the primary ejection mechanism and the secondary ejection mechanism stably and flexibly operate, ejection of products is gradually achieved through the primary ejection mechanism and the secondary ejection mechanism, pulling and blocking of ejection pieces due to overlong stroke of a single ejection mechanism are avoided, the ejection pieces are conveniently installed on the suitable ejection mechanisms according to the characteristics of different ejection pieces, stability of operation of a die is guaranteed, the service life of the die is prolonged, and production efficiency is improved.

Drawings

Fig. 1 is a schematic view showing a state of the mold of the present invention at the start of one ejection;

fig. 2 is a schematic view showing the state of the mold of the present invention when the first ejection is completed and the second ejection is started;

fig. 3 is a schematic view showing a state at the end of the secondary ejection of the mold according to the present invention;

fig. 4 is a schematic view showing a state when the secondary ejection mechanism of the mold of the present invention returns;

fig. 5 is a schematic view showing a state when the reset mechanism of the mold of the present invention pushes the primary ejection mechanism and the secondary ejection mechanism to reset;

fig. 6 is a schematic view showing a state of the mold of the present invention when the mold is closed;

fig. 7 is a schematic view showing the installation of a primary ejector pin mechanism of the mold of the present invention;

fig. 8 is a side view of the mounting base of the mold of the present invention;

fig. 9 is a top view of the mounting base of the mold of the present invention;

fig. 10 is a schematic structural view of an anti-rotation limiting member of the mold of the present invention.

Description of reference numerals

1-front mould; 2-back mould; 21-a limit pin; 3, mounting a plate; 31-a mounting groove; 32-anti-rotation limit piece; 321-rotation stop part; 4-one-time ejection mechanism; 41-a mounting seat; 411-a limiting part; 412-a cavity; 413-rotation stop plane; 42-a first elastic member; 43-a first ejector; 51-an ejector plate; 511. 512-avoidance slot; 52-ejector plate fixing plate; 53-a second elastic member; 61-bump block; 62-a rotating block; 63-a first fixed block; 64-a second fixed block; 65-a guide support block; 66-a guide groove; 7-a pushing mechanism; 8-products.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered to be the scope of the present invention without substantial changes in the technical content.

Before the embodiments of the present invention are described in detail, the application environment of the present invention is described first. The utility model discloses a technique mainly is applied to the mould of the working of plastics that the production structure is complicated, especially is applied to in the ejecting, the longer plastic mold of stroke that resets of ejecting. The utility model discloses a solve the ejecting piece and appear pulling, card dead scheduling problem easily at long distance ejecting, the reset process, extension mould life.

As shown in fig. 1 to 6, the utility model discloses a mold, including canceling release mechanical system, mounting panel 3, the front mould 1 and be located mounting panel 3 and front mould 2 between 1, install on the mounting panel 3 and be used for 2 interior product 8 of back mould ejecting once ejection mechanism 4, be equipped with between mounting panel 3 and the back mould 2 and be used for 2 interior product 8 secondary ejecting secondary ejection mechanism of back mould, ejection mechanism 4 is earlier ejecting once to the product, then secondary ejection mechanism carries out the secondary ejecting again to product 8, make the product ejecting completely, the product drawing of patterns divides twice to go on, reduce ejection mechanism's ejecting once, the stroke distance resets, effectively avoid ejecting strain, the card is died. In the process of closing the front mold 1 and the rear mold 2, the front mold 1 operates to drive the reset mechanism to push the primary ejection mechanism and the secondary ejection mechanism to reset, so that preparation is made for the next product molding and manufacturing. Wherein, ejection mechanism 4 is 1 at least once, and the quantity of ejection mechanism 4 once and be located the concrete position on mounting panel 3 and can carry out the adaptability according to the type of waiting to push out the product and adjust.

As shown in fig. 1 to 6, the reset mechanism comprises a collision block 61 and a rotating block 62, the rotating block 62 can be rotatably connected with the rear mold 2 through a rotating shaft, the rotating block 62 is installed on an outer side wall of the rear mold 2, the installation is simple and convenient, the internal structure of the mold is not affected, and the universality is high. The rear die 2 is provided with a limit pin 21 for limiting the swing range of the rotating block 62, and the limit pin 21 is arranged to ensure that the collision block 61 can push the rotating block 62 to rotate accurately in the die assembly process. The front die 1 is connected with the collision block 61, the collision block 61 is driven to move when the front die 1 approaches the rear die 2, the collision block 61 is in contact with the rotating block 62 in the moving process, so that the rotating block 62 rotates around the rotating shaft, and the rotating block 62 pushes the secondary ejection mechanism and the primary ejection mechanism 4 to reset in the rotating process. The reset mechanism further comprises a first fixing block 63, a second fixing block 64 and a guide supporting block 65, the first fixing block 63 and the guide supporting block 65 are respectively located on two sides of the collision block 61, the first fixing block 63 is installed on the secondary ejection mechanism and located on the same side of the collision block 61 with the rotating block 62, thrust is applied to the first fixing block 63 in the rotating process of the rotating block 62, therefore, the secondary ejection mechanism is pushed to operate and reset, the swinging range of the rotating block 62 is limited through the cooperation of the first fixing block 63 and the limiting nail 21, the swinging range of the rotating block 62 back to the rear mold is limited by the first fixing block 63, the swinging range of the rotating block 62 towards the front mold is limited by the limiting nail 21, and the stability of the mold operation is guaranteed. The guide supporting block 65 is installed on the rear mold 2, and plays a role in guiding and supporting the collision block 61, thereby improving the stability of the collision block 61 in operation. The second fixed block 64 is installed on the secondary ejection mechanism, the second fixed block 64 and the guide supporting block 65 are located on the same side of the collision block 61, the first fixed block 63 and the second fixed block 64 are respectively located on two sides of the collision block 61, and a guide groove 66 is formed, so that the collision block 61 is more accurate and stable in the operation process, and the guide function is achieved for the movement of the secondary ejection mechanism and the front mold. Wherein, canceling release mechanical system's quantity is 1 at least, and concrete quantity can carry out the adaptability adjustment according to the mould size, and in this embodiment, canceling release mechanical system's quantity is two, and two canceling release mechanical system symmetric distribution are on the double-phase offside of mould for the front mould and back mould move more nimble stability at the compound die in-process, also can not produce the interference to mould inner structure, and application scope is wide.

As shown in fig. 1 to 10, a mounting groove 31 is formed in the mounting plate 3, the primary ejection mechanism 4 is movably mounted in the mounting groove 31, the primary ejection mechanism 4 moves along the mounting groove 31 to eject the product 8 once, the rotation and moving range of the primary ejection mechanism 4 is limited by the rotation-preventing limiting part 32 on the mounting plate 3, a groove for mounting the rotation-preventing limiting part 32 is concavely formed in one side of the mounting plate 3 facing the ejector plate 51, the groove is formed to reduce the occupied space, and the positioning and mounting are simple and convenient. The primary ejection mechanism 4 includes a mounting seat 41, and the mounting seat 41 may be a columnar structure, so that the primary ejection mechanism is more flexible in the moving process. Install first liftout 43 and first elastic component 42 on the mount pad 41, can set up the draw-in groove that is used for installing first liftout 43 on the mount pad 41 for the installation and the change of first liftout 43 are simple and convenient more. The mounting base 41 is provided with a cavity 412 for mounting the first elastic member 42, two ends of the first elastic member 42 respectively support against the mounting base 41 and the mounting plate 3, and the first elastic member 42 provides elastic force for the first ejecting member 43 to move and eject the product. The first elastic member 42 may be a spring, and when the front mold 1 and the rear mold 2 are completely closed, the first elastic member 42 is in a compressed state when being reset to an initial state; the first ejecting part 43 may be any one of the easily deformable ejecting parts which are not suitable for long-distance movement, such as a flat ejector pin and a ejector sleeve, or a combination of two or more ejecting parts, the moving distance of the one-time ejecting mechanism is generally 5 mm-8 mm longer than the length of the product in the ejecting direction of the product, and the pulling and the blocking of the first ejecting part are effectively avoided while the one-time ejection of the product is ensured. Limiting parts 411 for limiting the moving range of the installation base 41 and a rotation stopping plane 413 for limiting the rotation of the installation base 41 are arranged on the installation base 41, a through hole for the installation base 41 and the first ejection piece 43 to pass through is formed in the rotation preventing limiting part 32, the rotation stopping part 321 is arranged on the inner side of the through hole, the first ejection piece 43 is prevented from deflecting in the moving process, and the first ejection piece 43 can be accurately aligned to the specified position of a product.

As shown in fig. 1 to 6, the secondary ejection mechanism includes an ejector plate 51 and an ejector plate fixing plate 52, the ejector plate 51 and the ejector plate fixing plate 52 can be locked by screws, a second ejector (not shown) is installed on the ejector plate 51, a first end of the second ejector abuts against the ejector plate 51, a second end of the second ejector passes through the ejector plate fixing plate 52, the second ejector is pressed by the cooperation of the ejector plate 51 and the ejector plate fixing plate 52, so that the first end of the second ejector is fixedly installed between the ejector plate 51 and the ejector plate fixing plate 52, the pushing mechanism 7 pushes the ejector plate 51 and the ejector plate fixing plate 52 to move together, and the second ejector is driven to move to eject a product. The ejector plate 51 or the ejector plate fixing plate 52 of the secondary ejection mechanism is connected with a second elastic part 53, the second elastic part 53 can be used for pushing the secondary ejection mechanism to return and reset, the second elastic part 53 can be a spring, and two ends of the second elastic part 53 respectively push against the secondary ejection mechanism and the rear mold 2. When the second elastic element 53 is used to push the secondary ejector pin mechanism to reset, the second elastic element 53 is in a compressed state when the secondary ejector pin mechanism ejects the product to the maximum stroke. The second ejection piece can be any one of ejection pieces suitable for long-distance movement or difficult deformation, such as a round ejector pin, an inclined ejector block, a straight ejector block and the like, or a combination of two or more ejection pieces. One side of the ejector pin plate 51, which faces the mounting plate 3, is concavely provided with an avoiding groove 511 for avoiding the mounting seat 41 and an avoiding groove 512 for avoiding the anti-rotation limiting part 32, on one hand, the avoiding groove 511 and the avoiding groove 512 are arranged to provide sufficient space for the operation of the mounting seat 41, and the occupied space of the mounting seat between the ejector pin plate 51 and the mounting plate 3 is reduced, so that the deformation risk of the ejector pin plate 51 caused by the overlarge gap between the ejector pin plate 51 and the mounting plate 3 in the reset state is avoided, the gap between the ejector pin plate 51 and the mounting plate 3 can be in a proper range, and the stability of the mold structure is ensured; on the other hand, the installation seat 41 and the ejector plate 51 are stably assembled by the avoidance groove 511, so that the installation seat 41 can stably push the ejector plate 51 to move during the ejection movement, and the operation stability is improved.

As shown in fig. 3, the utility model discloses a mould is still including the pushing mechanism 7 that is used for promoting the operation of secondary ejection mechanism, and pushing mechanism 7 can be ejecting post or hydraulic cylinder, and pushing mechanism 7 passes mounting panel 3 and applys thrust to secondary ejection mechanism, simplifies mould inner structure. The running power of the secondary ejection mechanism can be provided by the pushing mechanism 7 penetrating through the mounting plate 3, the ejection distance and the ejection speed are convenient to adjust and control, the product is not easy to damage, and the manipulator is convenient to take the workpiece; or a spring in a compressed state is arranged between the secondary ejection mechanism and the mounting plate 3, and the spring independently provides thrust for the operation of the secondary ejection mechanism; or the second elastic piece 53 between the secondary ejection mechanism and the rear mold 2 is in a stretching state in a reset state, the second elastic piece 53 pulls the secondary ejection mechanism to operate to realize secondary ejection, and the resetting of the secondary ejection mechanism is directly realized through the reset mechanism.

The working process is as follows: after the product is formed, in the process of opening the mold, when the collision block 61 is separated from the rotating block 62, the reset mechanism loses the acting force on the ejector plate 51, at this time, the first ejector piece and the secondary ejector mechanism are ejected forwards together under the action of the first elastic piece 42, after the set distance is ejected, the mounting base 41 does not move under the limiting action of the anti-rotation limiting piece 32, and the primary ejection of the first ejector piece 43 and the secondary ejector mechanism is finished. After the mold is opened in place, the pushing mechanism 7 of the device starts ejecting, the ejector plate 51 starts secondary ejection under the action of the pushing mechanism 7, the second ejector piece is driven by the ejector plate to continue ejecting forwards, at this time, because the first ejector piece 43 is not installed on the ejector plate 51, the first ejector piece 43 does not perform secondary ejection along with the ejector plate 51 any more, after the ejector plate 51 reaches the set position of secondary ejection, the secondary ejection is finished, and the manipulator starts to take out the piece. After the robot finishes taking the parts, the apparatus pushing mechanism 7 returns, the ejector plate 51 returns by the second elastic member 53, and the ejector plate 51 temporarily cannot return completely to the position by the force of the second elastic member 53 due to the force of the first elastic member 42. When the pushing mechanism 7 returns to the proper position, the front mold 1 approaches the rear mold 2 to perform mold closing, in the mold closing process, after the collision block 61 contacts the rotating block 62, the ejector plate 51 forcibly returns to the proper position under the action of the resetting mechanism, and meanwhile, the primary ejection mechanism is forcibly returned to the proper position, so that the resetting of the primary ejection mechanism and the secondary ejection mechanism is completed, and the mold closing is completed.

The utility model discloses an ejection mechanism and secondary ejection mechanism realize ejecting of product, avoid some yielding liftout pieces to carry out long distance ejecting, reset and produce strain, the card is dead to make ejection mechanism and secondary ejection mechanism accurately reset through setting up canceling release mechanical system, also can normal operating even secondary ejection mechanism's second elastic component breaks down, improved the stability of mould operation, improved production efficiency, prolonged the life of mould simultaneously. The primary ejection mechanism, the secondary ejection mechanism and the reset mechanism are simple in structure, convenient to arrange and install, low in requirement on the internal structure of the die, high in universality and wide in application range.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A mold, characterized in that: the mould assembling device comprises a resetting mechanism, a mounting plate, a front mould and a rear mould positioned between the mounting plate and the front mould, wherein a primary ejection mechanism for ejecting a product in the rear mould once is mounted on the mounting plate, a secondary ejection mechanism for ejecting a product in the rear mould twice is arranged between the mounting plate and the rear mould, and the front mould drives the resetting mechanism to push the primary ejection mechanism and the secondary ejection mechanism to reset in the mould assembling process of the front mould and the rear mould.

2. A mold as defined in claim 1, wherein: the reset mechanism comprises a collision block and a rotating block which is rotatably arranged on the rear die, the front die is connected with the collision block and drives the collision block to move, so that the rotating block pushes the secondary ejection mechanism and the primary ejection mechanism to reset in the rotating process.

3. A mold as in claim 2, wherein: the reset mechanism further comprises a first fixing block, a second fixing block and a guide supporting block, the first fixing block and the second fixing block are mounted on the secondary ejection mechanism and are respectively located on two sides of the collision block to form guide grooves, the first fixing block and the rotating block are located on the same side of the collision block, and the guide supporting block is mounted on the rear die and located on the same side of the collision block as the second fixing block.

4. A mold as in claim 2, wherein: and the rear die is provided with a limit nail for limiting the swing range of the rotating block towards the front die.

5. A mold as defined in claim 1, wherein: the anti-rotation ejection mechanism is characterized in that a mounting groove is formed in the mounting plate, the ejection mechanism is movably mounted in the mounting groove, the ejection mechanism moves to eject a product along the mounting groove, and the rotation and moving range of the ejection mechanism is limited by the anti-rotation limiting part on the mounting plate.

6. A mold as defined in claim 1, wherein: the primary ejection mechanism comprises a mounting seat, a first ejection piece and a first elastic piece are mounted on the mounting seat, two ends of the first elastic piece respectively abut against the mounting seat and the mounting plate, and the first elastic piece provides elasticity for the first ejection piece to move to eject a product.

7. A mould according to claim 6, characterized in that: the mounting seat is of a columnar structure, a cavity for installing the first elastic piece is formed in the mounting seat, and a limiting portion for limiting the moving range of the mounting seat and a rotation stopping plane for limiting the rotation of the mounting seat are arranged on the mounting seat.

8. A mold as defined in claim 1, wherein: still including the pushing mechanism who is used for promoting the operation of secondary ejection mechanism, secondary ejection mechanism includes thimble board, thimble board fixed plate and second liftout, the thimble board is withstood to the first end of second liftout, the second end of second liftout passes the thimble board fixed plate, the second liftout is fixed in thimble board and the cooperation of thimble board fixed plate, pushing mechanism promotes the thimble board and drives the second liftout removal ejecting product.

9. A mold as in claim 8, wherein: one side of the ejector plate facing the mounting plate is provided with an avoiding groove for avoiding the primary ejection mechanism.

10. A mold as defined in claim 1, wherein: and a second elastic piece for pushing the secondary ejection mechanism to return and reset is further installed on the secondary ejection mechanism, and two ends of the second elastic piece respectively support the secondary ejection mechanism and the rear mold.