CN219381333U

CN219381333U - Demolding device for tray

Info

Publication number: CN219381333U
Application number: CN202223251425.9U
Authority: CN
Inventors: 康梅; 李艳春
Original assignee: Kunshan Hewangxin Electronics Co ltd
Current assignee: Kunshan Hewangxin Electronics Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-07-21
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to the technical field of tray production and discloses a tray demolding device which comprises a bottom plate and a fixed frame, wherein the top of the bottom plate is fixedly provided with the fixed frame, the top of the fixed frame is fixedly provided with a telescopic rod, the bottom of the telescopic rod is fixedly provided with an upper die holder, the bottom of the upper die holder is provided with a lower die holder, the lower die holder is fixed on the fixed frame, a certain distance is reserved between the bottom of the lower die holder and the bottom plate, a push rod is slidably arranged in the lower die holder, the bottom of the push rod is fixedly provided with a fixed block, the outer side of the push rod is sleeved with a spring, and the push rod can be pressed by a pressing plate when the upper die holder is separated from the lower die holder, so that the push rod moves in the lower die holder, the tray molded in the lower die holder is ejected, the tray is automatically demolded, the tray is more convenient to operate, and the production efficiency of the tray can be effectively improved in the production process.

Description

Demolding device for tray

Technical Field

The utility model relates to the technical field of tray production, in particular to a demolding device for a tray.

Background

The tray is mainly used for packaging products and protecting the products from being influenced by external force to deform, wherein the tray is divided into a hardware tray and a tray according to the use requirement, the thickness of the hardware tray is generally thicker and is not easy to deform, the tray is generally produced in a plastic sucking or hydraulic mode, the thickness of the products is thinner, and the stress can deform.

The tray has certain adhesion between the plastic tray and the mould in the production process, so that the demolding efficiency can be influenced, and the plastic tray needs to be manually demolded, so that the production efficiency of the tray can be influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a demolding device for a tray, which has the advantages of automatically demolding the molded tray, improving the production efficiency of the tray and the like, and solves the problems that the tray is easy to adhere to a die holder and is not easy to take out in the molding process of the prior tray.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shedder of tray, includes bottom plate and fixed frame, the top of bottom plate is fixed with fixed frame, the top of fixed frame is fixed with the telescopic link, the bottom of telescopic link is fixed with the upper die base, the bottom of upper die base is provided with the die holder, the die holder is fixed on fixed frame, and leaves certain distance between the bottom of die holder and the bottom plate, the inside slidable mounting of die holder has the ejector pin, the bottom fixed mounting of ejector pin has the fixed block, the outside cover of ejector pin is equipped with the spring, the bottom of spring is fixed on the fixed block, the bottom at the die holder is fixed at the top of spring, one side fixed mounting of upper die base has the clamp plate, the bottom of clamp plate is located the below of fixed block.

Preferably, the inner side of the fixing frame is fixedly provided with a bump, and the lower die holder is fixed on the bump through a bolt.

Preferably, the telescopic rod is any one of a hydraulic push rod, an electric push rod or a pneumatic push rod.

Preferably, limit rods are slidably arranged on the left side and the right side of the upper die holder, limiting blocks are fixedly arranged on the top of the limit rods, and the bottoms of the limit rods are fixed on the lower die holder.

Preferably, the ejector rod is conical, and a sliding hole with the size of the ejector rod being matched with that of the ejector rod is formed in the lower die holder.

Preferably, the pressing plate is concave, and the top of the pressing plate is fixed at the front end and the rear end of the upper die holder.

In summary, the utility model has the following beneficial effects:

this shedder of tray, when upper die base and die holder separation, the push down plate can press the ejector pin for the ejector pin removes in the die holder, thereby carries out ejecting with the tray after the die holder internal shaping, realizes the automatic drawing of patterns to the tray and handles, and the operation is more convenient, can improve the production efficiency to the tray effectively in the in-process of production.

Drawings

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

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Wherein: 1. a bottom plate; 2. a fixed frame; 3. a telescopic rod; 4. an upper die holder; 5. a lower die holder; 6. a push rod; 7. a fixed block; 8. a spring; 9. pressing the plate; 10. a bump; 11. a limit rod; 12. and a limiting block.

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. 1-3, a demolding device for a tray includes a bottom plate 1 and a concave fixing frame 2, wherein the fixing frame 2 is fixed on the bottom plate 1, the bottom plate 1 is fixed with a mounting position, a telescopic rod 3 is fixed in a middle position of a top of the concave fixing frame 2, in this embodiment, the telescopic rod 3 can be used by any one of an electric push rod, a hydraulic push rod or a pneumatic push rod, an upper die holder 4 is fixed at a bottom of the telescopic rod 3, a lower die holder 5 is arranged at a bottom of the upper die holder 4, the lower die holder 5 is fixed at an inner side of the fixing frame 2, specifically, a bump 10 is mounted at an inner side of the fixing frame 2, and a bottom of the lower die holder 5 is fixed on the bump 10 through a bolt, wherein a certain distance is left between the lower die holder 5 and the bottom plate 1.

Meanwhile, a sliding hole is formed in the middle of the lower die holder 5, a push rod 6 is slidably arranged in the sliding hole, the top of the push rod 6 is conical, a fixed block 7 is fixed at the top of the push rod 6, a spring 8 is arranged at the top of the fixed block 7, the spring 8 is sleeved outside the push rod 6, the upper end and the lower end of the spring 8 are respectively fixed with the bottom of the lower die holder 5 and the top of the fixed block 7, the spring 8 is in a stretching state, the top of the push rod 6 can be completely attached to the sliding hole so as to ensure that no liquid leakage occurs, a pressing plate 9 is fixedly arranged on the upper die holder 4, the pressing plate 9 is also arranged in a concave structure, an opening faces upwards, the top of the pressing plate 9 is just fixed at the front end and the rear end of the upper die holder 4, and the top of the pressing plate 9 is positioned in the distance between the lower die holder 5 and the bottom plate 1 and is aligned with the fixed block 7.

Through the technical scheme, when pouring is carried out, the telescopic rod 3 drives the upper die holder 4 to be close to the lower die holder 5, the tray is extruded and formed, meanwhile, the pressing plate 9 is driven to move in the distance between the lower bottom plate 1 and the lower die holder 5, after cooling, the telescopic rod 3 drives the lower die holder 5 to reset, meanwhile, the pressing plate 9 at the bottom is driven to move upwards, the pressing plate 9 contacts with the fixed block 7 in the process of moving upwards, the fixed block 7 is pressed, the fixed block 7 moves upwards, meanwhile, the spring 8 is compressed, the cooled tray can be ejected in the process of moving upwards until the lower die holder 5 is released, automatic demolding treatment of the tray is realized, when pouring is continued, the pressing plate 9 is separated from the fixed block 7 again, and the elastic force of the spring 8 is released to continuously drive the ejector rod 6 to be attached to the lower die holder 5.

Further, the left side and the right side of the lower die holder 5 are both provided with limiting rods 11 in a sliding manner, the top of each limiting rod 11 is fixedly provided with a limiting block 12, the bottom of each limiting rod 11 is fixed on the lower die holder 5, the upper die holder 4 is driven to slide on each limiting rod 11 when the lower die holder 5 moves up and down, the limiting rods 11 can limit the movement track of the upper die holder 4, so that the upper die holder 4 can always move in the vertical direction, the positioning accuracy between the lower die holder 5 and the upper die holder 4 is ensured, and the limiting blocks 12 at the top prevent the upper die holder 4 from being super-limited.

When the automatic mold release device is used, the telescopic rod 3 can drive the upper mold base 4 to move up and down, the upper mold base 4 can be driven to contact with the lower mold base 5 in the molding process, raw materials are molded, the upper mold base 4 can be driven to be separated from the lower mold base 5 after cooling is finished, the ejector rod 6 can be pressed when the upper mold base is separated, the ejector rod 6 ejects a tray cooled in the lower mold base 5, automatic mold release processing is realized, the tray cannot be adhered in the lower mold base 5 due to adhesion, manual processing is not needed, and production time can be saved in production.

Standard parts used in the application files can be purchased from the market, and can be customized according to the description of the specification and the drawing, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, and the machines, the parts and the equipment are of conventional types in the prior art.

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 shedder of tray, includes bottom plate (1) and fixed frame (2), the top of bottom plate (1) is fixed with fixed frame (2), its characterized in that: the top of fixed frame (2) is fixed with telescopic link (3), the bottom of telescopic link (3) is fixed with upper die base (4), the bottom of upper die base (4) is provided with die holder (5), die holder (5) are fixed on fixed frame (2), and leave certain distance between the bottom of die holder (5) and bottom plate (1), the inside slidable mounting of die holder (5) has ejector pin (6), the bottom fixed mounting of ejector pin (6) has fixed block (7), the outside cover of ejector pin (6) is equipped with spring (8), the bottom of spring (8) is fixed on fixed block (7), the top of spring (8) is fixed in the bottom of die holder (5), one side fixed mounting of upper die base (4) presses clamp plate (9), the bottom of clamp plate (9) is located the below of fixed block (7).

2. A pallet stripping apparatus as claimed in claim 1, wherein: the inner side of the fixed frame (2) is fixedly provided with a bump (10), and the lower die holder (5) is fixed on the bump (10) through a bolt.

3. A pallet stripping apparatus as claimed in claim 1, wherein: the telescopic rod (3) is any one of a hydraulic push rod, an electric push rod or a pneumatic push rod.

4. A pallet stripping apparatus as claimed in claim 1, wherein: limiting rods (11) are slidably mounted on the left side and the right side of the upper die holder (4), limiting blocks (12) are fixedly mounted on the tops of the limiting rods (11), and the bottoms of the limiting rods (11) are fixed on the lower die holder (5).

5. A pallet stripping apparatus as claimed in claim 1, wherein: the ejector rod (6) is conical, and a sliding hole with the size of the ejector rod (6) being matched with that of the lower die holder (5) is formed in the lower die holder.

6. The apparatus for stripping a pallet according to claim 4, wherein: the pressing plate (9) is concave, and the top of the pressing plate (9) is fixed at the front end and the rear end of the upper die holder (4).