CN216329838U

CN216329838U - Forming die for plastic tray production

Info

Publication number: CN216329838U
Application number: CN202122548740.7U
Authority: CN
Inventors: 郑拓; 郑道林
Original assignee: Shandong Zhengshi Mould Co ltd
Current assignee: Shandong Zhengshi Mould Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-19
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of forming dies, in particular to a forming die for plastic tray production, which comprises a die base and a die cover plate, wherein a forming cavity is concavely arranged on the surface of the die base, a sliding groove is formed in the inner wall surface of the forming cavity, and a placing groove extends downwards from the inner wall surface of the sliding groove. When the die cover plate is used, the die cover plate is covered on the die base, the screw rod is twisted, the die base and the die cover plate are fixed, the die cover plate can apply pressure to the two pressure rods, the rectangular frame can slide downwards in the mounting groove, the two round rods can be driven to slide downwards in the round holes through the downward sliding of the rectangular frame, the springs can be extruded through the downward sliding of the two round rods, the springs are compressed under stress, the rectangular frame can move upwards in the mounting groove due to the elastic action of the springs, and the top plate is driven to move upwards through the upward movement of the rectangular frame, so that molding plastics in the molding cavity are ejected out of the molding cavity.

Description

Forming die for plastic tray production

Technical Field

The application relates to the technical field of forming dies, in particular to a forming die for producing plastic trays.

Background

Injection molding mold: the plastic is heated and melted in a heating charging barrel of an injection molding machine, then enters a mold cavity through a nozzle and a pouring system of the mold under the pushing of a screw rod or a piston of the injection molding machine, and finally is hardened and shaped in the mold cavity, which is a simple process of injection molding, and the mold used for injection molding is called an injection molding mold. Injection molds are used primarily for the molding of thermoplastic articles, but have also become increasingly used in recent years for the molding of thermosets. Injection molding accounts for a very large proportion of the molding of plastic products, and thus the production of plastic molding dies is about a majority of injection molds.

As disclosed in the chinese patent: forming die, publication No.: CN202263836U, "adopt the cylindrical rubber body of ethylene material as the protector, can increase the life-span of thimble after thimble repetitious usage effectively, this mould can avoid thimble bending or fracture effectively", but in the in-service use process, the shaping plastics tray in the shaping intracavity is difficult for taking out, influences forming die's use, has reduced forming die's material efficiency of getting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a forming die for plastic tray production, which solves the problems in the background technology.

The embodiment of the application adopts the following technical scheme:

the utility model provides a forming die for production of plastics tray, includes mould base and mould apron, there is the shaping chamber mould base's surperficial indent, the spout has been seted up to the internal face in shaping chamber, the internal face downwardly extending of spout has the standing groove, the knob goes into on the mould apron has the screw rod, mould base passes through screw rod and mould apron thread tightening, be provided with the sprue gate on the mould apron, the mounting groove has been seted up to mould base's upper surface, the circular port has all been seted up to the both sides internal face of mounting groove, install the rectangle frame in the mounting groove, be provided with pushing structure in the mould base.

Preferably, the two circular holes are symmetrically distributed by taking the middle point of the mold base as the center, and the two circular holes are communicated with the placing groove.

Preferably, both sides of the upper end of the rectangular frame are fixedly connected with pressure levers, and the two pressure levers are movably inserted into the die cover plate respectively.

Preferably, the size of the rectangular frame is matched with the size of the mounting groove, and the rectangular frame is connected in the mounting groove in a sliding mode.

Preferably, the pushing structure comprises a top plate and a round rod, the top plate is attached to the bottom surface of the inner wall of the forming cavity, the bottom end of the top plate is fixedly connected with a connecting block, and the bottom end of the connecting block is fixedly connected with a connecting rod.

Preferably, the connecting block is movably inserted in the sliding groove, the connecting rod is T-shaped, the connecting rod is slidably connected in the placing groove, the number of the round rods is two, and the two round rods are movably inserted in the round holes respectively.

Preferably, the two round rods are respectively and fixedly connected with two ends of the connecting rod, springs are movably sleeved on the surfaces of the two round rods, and the two springs are respectively positioned above the two round holes.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one is that when in use, the mould cover plate is covered on the mould base, the screw rod is twisted to fix the mould base and the mould cover plate, the mould cover plate can apply pressure to the two pressure rods to enable the rectangular frame to slide downwards in the mounting groove, the rectangular frame can drive the two round rods to slide downwards in the round holes through sliding downwards, the spring can be extruded through sliding downwards of the two round rods, the spring is compressed under stress, the round rods can drive the connecting rods to move downwards through sliding downwards, the connecting rods can drive the connecting blocks to move downwards through moving downwards, the top plate can be driven to move downwards through moving downwards, the top plate is enabled to be tightly attached to the bottom surface of the inner wall of the forming cavity, the raw material falls into the forming cavity through injecting the raw material into the pouring port, after the whole mould is cooled, the screw rod is detached, the mould cover plate is separated from the mould base, and at the moment, the mould cover plate can not apply pressure to the rectangular frame any more, because the elastic action of spring for rectangle frame rebound in the mounting groove, drive roof rebound through rectangle frame rebound, make the molding plastics in the molding chamber pop out outside the molding chamber, the person of facilitating the use gets the material, the operation is comparatively simple, convenient.

Two of it, through connecting rod sliding connection in the standing groove, the stability that rectangle frame and mould base are connected has been guaranteed, avoid causing and drop, relative ratio and current forming die, this forming die dismantles the mould apron through the user, separate mould base and mould apron, can pop out the shaping plastics of shaping intracavity, convenient to use person takes shaping plastics, need not the user and collides with forming die, utilize other forms such as vibrations to take out it, this forming die need not loaded down with trivial details operation, it is comparatively convenient to use, this forming die's practicality has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall structure of the forming die of the present invention;

FIG. 2 is a schematic exploded view of the forming mold of the present invention;

FIG. 3 is a schematic structural view of a mold base according to the present invention;

FIG. 4 is a schematic structural diagram of a rectangular frame according to the present invention;

FIG. 5 is a schematic view of the structure of the mounting groove of the present invention.

In the figure: 1. a mold base; 11. a molding cavity; 12. a chute; 13. a placement groove; 2. a mold cover plate; 21. a screw; 22. a pouring gate; 3. mounting grooves; 31. a circular hole; 4. a rectangular frame; 41. a pressure lever; 5. a top plate; 6. connecting blocks; 61. a connecting rod; 7. a round bar; 8. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Example 1: referring to fig. 1, 2, 3, 4 and 5, a forming mold for plastic tray production comprises a mold base 1 and a mold cover plate 2, a forming cavity 11 is recessed in the surface of the mold base 1, a chute 12 is formed on the inner wall surface of the forming cavity 11, a placing groove 13 is extended downward from the inner wall surface of the chute 12, a screw 21 is screwed on the mold cover plate 2, the mold base 1 is screwed with the mold cover plate 2 through the screw 21, a pouring gate 22 is arranged on the mold cover plate 2, a mounting groove 3 is formed on the upper surface of the mold base 1, circular holes 31 are formed on the inner wall surfaces on both sides of the mounting groove 3, a rectangular frame 4 is mounted in the mounting groove 3, a pushing structure is arranged in the mold base 1, the two circular holes 31 are symmetrically distributed by taking the midpoint of the mold base 1 as the center, the two circular holes 31 are communicated with the placing groove 13, two sides of the upper end of the rectangular frame 4 are fixedly connected with a pressure lever 41, two depression bars 41 are the activity respectively and are pegged graft in mould apron 2, the size of rectangle frame 4 and the big or small looks adaptation of

mounting groove

3, 4 sliding connection of rectangle frame are in mounting groove 3, the thrust structure includes roof 5 and round bar 7, the inner wall bottom surface at shaping chamber 11 is laminated to roof 5, the bottom fixedly connected with connecting block 6 of roof 5, the bottom fixedly connected with connecting rod 61 of connecting

block

6, 6 activities of connecting block are pegged graft in spout 12, connecting rod 61 is the T shape, connecting rod 61 sliding connection is in standing groove 13, the quantity of round bar 7 is two, two round bar 7 are the activity respectively and are pegged graft in circular port 31, two round bar 7 respectively with the both ends fixed connection of connecting rod 61, spring 8 has been cup jointed in the equal activity in surface of two round bar 7, two spring 8 are in the top of two circular ports 31 respectively.

When in use, the mold cover plate 2 is covered on the mold base 1, the screw 21 is twisted to fix the mold base 1 and the mold cover plate 2, the mold cover plate 2 applies pressure to the two pressure rods 41 to enable the rectangular frame 4 to slide downwards in the mounting groove 3, the rectangular frame 4 slides downwards to drive the two round rods 7 to slide downwards in the circular holes 31, the two round rods 7 slide downwards to extrude the springs 8, the springs 8 are compressed under stress, the round rods 7 slide downwards to drive the connecting rods 61 to move downwards, the connecting rods 61 move downwards to drive the connecting blocks 6 to move downwards, the connecting blocks 6 move downwards to drive the top plate 5 to move downwards, the top plate 5 is tightly attached to the bottom surface of the inner wall of the molding cavity 11, the raw materials fall into the molding cavity 11 by injecting the raw materials into the pouring gate 22, after the whole mold is cooled, the screw 21 is disassembled, the mold cover plate 2 is separated from the mold base 1, at the moment, the mold cover plate 2 does not apply pressure to the rectangular frame 4 any more, due to the elastic action of the spring 8, the rectangular frame 4 moves upwards in the mounting groove 3, the rectangular frame 4 moves upwards to drive the top plate 5 to move upwards, so that the molding plastic in the molding cavity 11 is ejected out of the molding cavity 11, the material taking is convenient for a user, the operation is simple and convenient, the rectangular frame 4 is connected with the mold base 1 in the placing groove 13 in a sliding manner through the connecting rod 61, the stability of the connection between the rectangular frame 4 and the mold base 1 is ensured, the falling is avoided, compared with the existing mold, the mold can be taken out by detaching the mold cover plate 2 by the user, the mold base 1 is separated from the mold cover plate 2, the molding plastic in the molding cavity 11 can be ejected, the user can take the molding plastic conveniently, the user does not need to collide with the molding mold, the molding mold is taken out by utilizing other forms such as vibration and the like, the forming die does not need complex operation, is convenient to use, and improves the practicability of the forming die.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

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

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a forming die for production of plastics tray, includes mould base (1) and mould apron (2), its characterized in that: a molding cavity (11) is concavely arranged on the surface of the mold base (1), a sliding chute (12) is formed in the inner wall surface of the molding cavity (11), a placing groove (13) extends downwards from the inner wall surface of the sliding chute (12), a screw rod (21) is screwed into the mold cover plate (2) in a rotating manner, the mold base (1) is fixed with the mold cover plate (2) in a threaded manner through the screw rod (21), a pouring gate (22) is arranged on the mold cover plate (2), an installation groove (3) is formed in the upper surface of the mold base (1), circular holes (31) are formed in the inner wall surfaces of two sides of the installation groove (3), and a rectangular frame (4) is installed in the installation groove (3);

a pushing structure is arranged in the die base (1).

2. A forming die for plastic pallet production according to claim 1, characterized in that: two the midpoint of circular port (31) use mould base (1) is central symmetry distribution, two circular port (31) all communicate with each other with standing groove (13).

3. A forming die for plastic pallet production according to claim 1, characterized in that: both sides of the upper end part of the rectangular frame (4) are fixedly connected with pressure rods (41), and the two pressure rods (41) are movably inserted in the die cover plate (2) respectively.

4. A forming die for plastic pallet production according to claim 3, characterized in that: the size of rectangle frame (4) and the size looks adaptation of mounting groove (3), rectangle frame (4) sliding connection is in mounting groove (3).

5. A forming die for plastic pallet production according to claim 1, characterized in that: promote the structure and include roof (5) and round bar (7), roof (5) laminating is in the inner wall bottom surface of shaping chamber (11), the bottom fixedly connected with connecting block (6) of roof (5), the bottom fixedly connected with connecting rod (61) of connecting block (6).

6. A forming die for plastic tray production according to claim 5, characterized in that: the connecting block (6) is movably inserted in the sliding groove (12), the connecting rod (61) is T-shaped, the connecting rod (61) is slidably connected in the placing groove (13), the number of the round rods (7) is two, and the round rods (7) are movably inserted in the round holes (31) respectively.

7. A forming die for plastic tray production according to claim 6, characterized in that: two round bar (7) respectively with the both ends fixed connection of connecting rod (61), two spring (8) have all been cup jointed in the activity in the surface of round bar (7), two spring (8) are in two respectively the top of circular port (31).