CN219256168U

CN219256168U - Plastic packaging product forming die

Info

Publication number: CN219256168U
Application number: CN202320011975.9U
Authority: CN
Inventors: 刘生喜; 勇吉发; 韩新德; 吕玉利
Original assignee: Dalian Fuping Packaging Products Co ltd
Current assignee: Dalian Fuping Packaging Products Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-06-27
Anticipated expiration: 2033-01-04

Abstract

The utility model relates to a plastic packaging product forming die which comprises a workbench, wherein two upright posts are vertically fixed on the upper surface of the workbench, a mounting plate is fixed between one opposite sides of the two upright posts, a lower die holder is fixed on the upper surface of the workbench, an ejection mechanism is arranged on the lower surface of the workbench, an air cylinder assembly is vertically fixed on the lower surface of the mounting plate, and a vacuumizing mechanism is arranged on the right side surface of the upright post on the right side. According to the plastic packaging product forming die, the ejection mechanism is arranged in the forming die, after the plastic packaging product is processed, the forming part can be ejected out without taking out the forming part manually, so that the workload of workers is greatly reduced, a large amount of labor is saved, a method of taking out the forming part manually is replaced, the processing efficiency of the forming die is improved as a whole, and the practicability of the forming die is improved.

Description

Plastic packaging product forming die

Technical Field

The utility model relates to the technical field of mold processing, in particular to a plastic packaging product forming mold.

Background

The plastic is a synthetic polymer material with plasticity, and forms three kinds of synthetic materials which are indispensable in daily life with synthetic rubber and synthetic fibers, the plastic product is a general name of articles such as life or industry which are processed by adopting plastic as a main raw material, a packing box and the like which are made of plastic are quite common in daily life, the application is wide, the plastic packaging product is produced by adopting injection molding processing and forming mostly, and a forming die is needed in the processing process.

In chinese patent CN 216544521U, an improved plastic packaging product forming die is disclosed, including the shaping die holder, removable middle mould frame and shaping upper die holder, the middle part at shaping die holder top has been seted up the shaping die cavity, the peripheral block of shaping die cavity is connected with removable middle mould frame, the lateral wall at shaping die holder top is fixed and is provided with down the butt joint ear, an improved plastic packaging product forming die of this utility model, this forming die structural design is compact, splice combination and dismantlement are convenient quick, can carry out the drawing of patterns work after the product is formed, be equipped with the cavity and bleed the seat, can suck the shaping die cavity after the mould combination, fully discharge the air in the die cavity, make the die cavity be in the state of relative vacuum, namely make things convenient for the injection molding mouth of pipe's raw materials fully quick get into the die cavity in the injection molding process, prevent the phenomenon of jam, can avoid raw materials and air mixing, cause the problem of product quality decline, safe and reliable, but this patent has the problem of inconvenient drawing of patterns in the use, after this mould is accomplished with plastic packaging product processing, need the shaping piece to take out after this mould, and need the time-consuming the mould to wait for cooling, such a method has greatly reduced the practicality.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a plastic packaging product forming die which has the advantage of convenient demoulding and solves the problem of time and labor consumption when a formed part is taken out manually.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the plastic packaging product forming die comprises a workbench, wherein two upright posts are vertically fixed on the upper surface of the workbench, a mounting plate is fixed between two opposite sides of the upright posts, a lower die holder is fixed on the upper surface of the workbench, an ejection mechanism is arranged on the lower surface of the workbench, a cylinder assembly is vertically fixed on the lower surface of the mounting plate, and a vacuumizing mechanism is arranged on the right side surface of the upright post on the right side;

the ejection mechanism comprises a driving assembly and a demolding assembly, the driving assembly comprises a control box fixed on the lower surface of the workbench, a motor is fixed on the right side face of the control box, a rotating rod driven by the motor to do circular motion is fixed on the outer side of an output shaft of the motor, two gears are fixed on the outer side of the rotating rod, racks are meshed on the outer sides of the gears, and a supporting rod is fixed on the upper surface of the racks.

Further, an upper die holder driven by the upper die holder to perform up-down linear motion is fixed on the outer side of the output shaft of the air cylinder assembly, two sliding rods are fixed on the bottom wall of the inner cavity of the control box, and the racks are connected to the outer side of the sliding rods in a sliding mode.

Further, a movable hole for inserting the support rod is formed in the lower surface of the workbench, and the movable hole is in clearance fit with the support rod.

Further, the drawing of patterns subassembly is including fixing the fly leaf at the bracing piece upper surface, the upper surface of fly leaf is fixed with the supporting seat, the upper surface of supporting seat is fixed with the cope match-plate pattern, the upper surface of cope match-plate pattern is fixed with the thimble, the diapire of die holder inner chamber is fixed with two telescopic links.

Further, one end of the telescopic rod, which is far away from the bottom wall of the inner cavity of the lower die holder, is fixed on the lower surface of the top die plate, and springs, the two sides of which are respectively fixed with the lower surface of the top die plate and the bottom wall of the inner cavity of the lower die holder, are movably sleeved on the telescopic rod.

Further, a template is fixed between the left side wall and the right side wall of the inner cavity of the lower die holder, a through hole for the rotation of an output shaft of the motor is formed in the right side face of the control box, and the through hole is in clearance fit with the output shaft of the motor.

Further, the vacuumizing mechanism comprises a vacuum pump fixed on the right side of the right side upright post, an air inlet pipe is communicated with the output end of the vacuum pump, an isolation net is fixed in the air inlet pipe, and a pneumatic valve is fixed on the outer side of the air inlet pipe.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. according to the plastic packaging product forming die, the ejection mechanism is arranged in the forming die, after the plastic packaging product is processed, the forming part can be ejected out without taking out the forming part manually, so that the workload of workers is greatly reduced, a large amount of labor is saved, a method of taking out the forming part manually is replaced, the processing efficiency of the forming die is improved as a whole, and the practicability of the forming die is improved.

2. This plastic packaging goods forming die has set up evacuating mechanism in this forming die, through the mutual cooperation between each structure in the evacuating mechanism, can guarantee that the pressure of shaping environment is the negative pressure in this forming die to plastic packaging goods's shaping in-process, makes the shaping process can not receive the influence of air, has improved shaping effect on the whole, has guaranteed plastic packaging goods's product quality.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of an ejector mechanism according to the present utility model;

FIG. 3 is a schematic view of the vacuum pumping mechanism of the present utility model.

In the figure: 1 workbench, 2 upright posts, 3 mounting plates, 4 lower die holders, 5 ejection mechanisms, 501 control boxes, 502 motors, 503 rotating rods, 504 gears, 505 racks, 506 supporting rods, 507 movable plates, 508 supporting seats, 509 ejector templates, 510 ejector pins, 511 telescopic rods, 6 air cylinder assemblies, 7 vacuum mechanisms, 701 vacuum pumps, 702 air inlet pipes, 703 isolation nets and 704 pneumatic valves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a plastic packaging product forming mold in this embodiment includes a workbench 1, two columns 2 are vertically fixed on an upper surface of the workbench 1, a mounting plate 3 is fixed between opposite sides of the two columns 2, a lower die holder 4 is fixed on an upper surface of the workbench 1, an ejection mechanism 5 is arranged on a lower surface of the workbench 1, a cylinder assembly 6 is vertically fixed on a lower surface of the mounting plate 3, the cylinder assembly 6 is a common part in the market, and the details are not repeated herein, and a vacuumizing mechanism 7 is arranged on a right side surface of the right side column 2.

The outer side of the output shaft of the air cylinder assembly 6 is fixed with an upper die holder driven by the upper die holder to perform up-down linear motion, a template is fixed between the left side wall and the right side wall of the inner cavity of the lower die holder 4, and supporting feet are fixed on the left side and the right side of the lower surface of the workbench 1 and play a supporting role on the whole forming die.

It should be noted that, the spout has all been seted up to two opposite sides of stand 2, the left and right sides of upper die base all is fixed with the connecting plate, and two connecting plates are all fixed with the wheelset in one side that is opposite to each other, wheelset sliding connection in the inside of spout.

It can be understood that when the cylinder assembly 6 works, the upper die holder is driven to move linearly up and down, and meanwhile, the connecting plate and the wheel set are driven to move linearly up and down.

Referring to fig. 2, in order to facilitate the taking of the forming part by the worker and improve the processing efficiency of the forming mold, the ejection mechanism 5 in this embodiment includes a driving assembly and a demolding assembly, the driving assembly includes a control box 501 fixed on the lower surface of the workbench 1, a motor 502 is fixed on the right side surface of the control box 501, a rotating rod 503 driven to do circular motion by the motor 502 is fixed on the outer side of the output shaft of the motor 502, two gears 504 are fixed on the outer side of the rotating rod 503, a rack 505 is meshed on the outer side of the gears 504, and a supporting rod 506 is fixed on the upper surface of the rack 505.

Wherein, the diapire of control box 501 inner chamber is fixed with two slide bars, and rack 505 sliding connection is in the outside of slide bar, and the movable hole that supplies bracing piece 506 to insert has been seted up to the lower surface of workstation 1, and movable hole and bracing piece 506 clearance fit, the through-hole that supplies motor 502 output shaft pivoted has been seted up to the right flank of control box 501, through-hole and motor 502's output shaft clearance fit.

It will be appreciated that when the gear 504 rotates, the rack 505 engaged on the outer side thereof is driven to move up and down, and the slide bar plays a limiting role on the rack 505.

The demoulding assembly comprises a movable plate 507 fixed on the upper surface of a supporting rod 506, a supporting seat 508 is fixed on the upper surface of the movable plate 507, a top template 509 is fixed on the upper surface of the supporting seat 508, a thimble 510 is fixed on the upper surface of the top template 509, two telescopic rods 511 are fixed on the bottom wall of the inner cavity of the lower die holder 4, and the top template 509 and the thimble 510 are used for ejecting a formed part so as to facilitate demoulding.

One end of the telescopic rod 511 far away from the bottom wall of the inner cavity of the lower die holder 4 is fixed on the lower surface of the top die plate 509, and springs with two sides fixed with the lower surface of the top die plate 509 and the bottom wall of the inner cavity of the lower die holder 4 are movably sleeved on the telescopic rod 511.

It should be noted that, the telescopic rod 511 is composed of a sleeve bin and a moving rod, one end of the moving rod penetrates through and extends to the inside of the sleeve bin, the outside of the moving rod is fixedly connected with a limiting block located in the sleeve bin, a penetrating hole matched with the moving rod is formed in one side of the sleeve bin, and the limiting block is arranged to prevent the moving rod from separating from the sleeve bin in the moving process, so that the state of the spring is changed when the length of the telescopic rod 511 is changed.

Referring to fig. 3, in order to improve the processing effect of the forming mold, the vacuumizing mechanism 7 in this embodiment includes a vacuum pump 701 fixed on the right side of the right side upright post 2, an air inlet pipe 702 is connected to an output end of the vacuum pump 701, an isolation net 703 is fixed inside the air inlet pipe 702, a pneumatic valve 704 is fixed outside the air inlet pipe 702, and the pneumatic valve 704 is used for controlling opening and closing of the air inlet pipe 702.

It should be noted that, the vacuum pump 701 is a common part on the market, and will not be described in detail here, and it has the function of vacuumizing, and it can pump out the air above the mold plate, so as to improve the processing effect of the forming mold.

The working principle of the embodiment is as follows:

(1) When the forming die is used for processing plastic packaging products, firstly, a worker puts softened plastic raw materials on a template between the left side wall and the right side wall of the inner cavity of the lower die holder 4, then starts the air cylinder assembly 6, enables an output shaft of the air cylinder assembly 6 to extend, drives the upper die holder to move towards the lower die holder 4, enables connecting plates on the left side and the right side of the upper die holder to move downwards, enables a wheel set to slide downwards in a chute at the moment, starts a vacuum pump 701, opens a pneumatic valve 704, is acted by the vacuum pump 701, air in a space above the template is pumped out, then closes the pneumatic valve 704, when the upper die holder is contacted with the plastic raw materials on the template, at the moment, the plastic raw materials are formed, after the forming process is completed, the worker drives the air cylinder assembly 6, enables the upper die holder to return to an initial position, at the moment, the upper die holder is separated from the lower die holder 4, the worker starts a motor 502 on the right side of the control box 501, and the output shaft of the motor 502 starts rotating, and drives a rotating rod 503 to start rotating.

(2) The rotation of the rotating rod 503 drives the two gears 504 fixed on the outer sides of the rotating rod 503 to start rotating, when the molded part on the template needs to be ejected, the rotation direction of the output shaft of the motor 502 is controlled to control the rotation direction of the gears 504, so that the racks 505 meshed on the outer sides of the gears 504 move upwards, when the racks 505 move upwards, the supporting rods 506 are driven to move upwards, the supporting rods 506 drive the movable plate 507, the supporting seat 508 and the ejector template 509 to move upwards, the ejector pins 510 on the upper surface of the ejector template 509 eject the molded part, the lengths of the two telescopic rods 511 on the lower surface of the ejector template 509 are extended, the springs sleeved on the outer sides of the telescopic rods 511 are stretched, after the molded part on the template is ejected, workers reset the ejector template 509 through the driving motor 502, and the telescopic rods 511 and the springs return to the initial state, so that a method for manually taking the molded part is replaced, and the processing efficiency of the molded part is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plastic packaging goods forming die, includes workstation (1), its characterized in that: two upright posts (2) are vertically fixed on the upper surface of the workbench (1), a mounting plate (3) is fixed between one opposite sides of the two upright posts (2), a lower die holder (4) is fixed on the upper surface of the workbench (1), an ejection mechanism (5) is arranged on the lower surface of the workbench (1), an air cylinder assembly (6) is vertically fixed on the lower surface of the mounting plate (3), and a vacuumizing mechanism (7) is arranged on the right side surface of the upright post (2);

the ejection mechanism (5) comprises a driving assembly and a demolding assembly, the driving assembly comprises a control box (501) fixed on the lower surface of the workbench (1), a motor (502) is fixed on the right side face of the control box (501), a rotating rod (503) driven to do circular motion by the motor (502) is fixed on the outer side of an output shaft of the motor (502), two gears (504) are fixed on the outer side of the rotating rod (503), racks (505) are meshed on the outer side of the gears (504), and supporting rods (506) are fixed on the upper surface of the racks (505).

2. The plastic packaging article forming die as recited in claim 1, wherein: the outer side of the output shaft of the air cylinder assembly (6) is fixedly provided with an upper die holder which is driven by the upper die holder to move up and down linearly, the bottom wall of the inner cavity of the control box (501) is fixedly provided with two sliding bars, and the rack (505) is connected to the outer side of the sliding bars in a sliding manner.

3. The plastic packaging article forming die as recited in claim 1, wherein: the lower surface of the workbench (1) is provided with a movable hole for inserting the supporting rod (506), and the movable hole is in clearance fit with the supporting rod (506).

4. The plastic packaging article forming die as recited in claim 1, wherein: the demolding assembly comprises a movable plate (507) fixed on the upper surface of a supporting rod (506), a supporting seat (508) is fixed on the upper surface of the movable plate (507), a top template (509) is fixed on the upper surface of the supporting seat (508), a thimble (510) is fixed on the upper surface of the top template (509), and two telescopic rods (511) are fixed on the bottom wall of an inner cavity of the lower die holder (4).

5. The plastic packaging article shaping mold as set forth in claim 4, wherein: one end of the telescopic rod (511) far away from the bottom wall of the inner cavity of the lower die holder (4) is fixed on the lower surface of the top die plate (509), and springs with two sides fixed with the lower surface of the top die plate (509) and the bottom wall of the inner cavity of the lower die holder (4) are movably sleeved on the telescopic rod (511).

6. The plastic packaging article forming die as recited in claim 1, wherein: a template is fixed between the left side wall and the right side wall of the inner cavity of the lower die holder (4), a through hole for the rotation of an output shaft of the motor (502) is formed in the right side surface of the control box (501), and the through hole is in clearance fit with the output shaft of the motor (502).

7. The plastic packaging article forming die as recited in claim 1, wherein: the vacuum pumping mechanism (7) comprises a vacuum pump (701) fixed on the right side of the right side upright post (2), an air inlet pipe (702) is communicated with the output end of the vacuum pump (701), an isolation net (703) is fixed inside the air inlet pipe (702), and a pneumatic valve (704) is fixed on the outer side of the air inlet pipe (702).