CN212826649U - Auxiliary forming device for plastic products - Google Patents

Abstract

The utility model relates to a plastics shaping technical field specifically discloses a shaping device is assisted to plastic products, including table surface and fixed rack, the top fixed mounting of fixed rack has the pneumatic cylinder, mould on the bottom fixedly connected with of pneumatic cylinder, fixed mounting has bed die and controller on the table surface, the bed die passes through a plurality of ball and table surface fixed connection, the shaping chamber has been seted up to the inside of bed die, a plurality of mounting grooves have been seted up uniformly to the bottom interval in shaping chamber, the equal fixed mounting in mounting groove has nitrogen spring, the equal fixedly connected with seal head in nitrogen spring's the top, nitrogen spring and nitrogen gas pipeline fixed connection, just be provided with automatically controlled valve on the nitrogen gas pipeline, ball, automatically controlled valve, pneumatic cylinder all with the controller electricity links. The plastic product forming device is simple in structure and convenient to demould, and can effectively reduce the phenomenon of material blocking.

Description

Auxiliary forming device for plastic products

Technical Field

The utility model relates to a plastic molding technical field especially relates to a plastic products auxiliary forming device.

Background

Plastics are emerging materials developed in the 20 th century, and due to wide application, the plastics can replace partial natural materials such as metal, wood, leather, silicate and the like, become an indispensable artificial chemical synthetic material in modern industry and life, and become one of four important raw materials in modern industrial production together with three traditional materials such as metal, wood and silicate. The rise of plastics certainly promotes the wide application of plastic molded products, and particularly, the plastic molded products are widely applied to the aspects of electronic toys, electronic instruments, electrical equipment, communication tools, articles for daily use and the like.

The plastic molded product is a product obtained by molding and processing plastic as a main structural material, and is also called a plastic product, which is called a plastic product for short. The plastic molding is a production process of melting and plasticizing or heating plastic raw materials (powder, granule, melt or dispersoid) in various forms to reach a required plastic state, passing through a mould in a required shape under a pressure or filling the mould cavity of the mould in the required shape, and obtaining a plastic part in the required shape, size and performance after cooling and shaping. The injection mold is technological equipment in plastic molding processing. It is a tool for copying and forming or copying and processing a workpiece with a certain shape and size by utilizing a specific shape. The plastic mould can be used for many times, is suitable for mass production, and is important technical equipment in modern industrial production.

In the plastic mold in the prior art, an ejection device is generally arranged on a movable mold, and an ejection structure is not arranged in a fixed mold, so that the ejection of the plastic product is not facilitated, the molded plastic mold can not be smoothly ejected from the fixed mold, and the equipment works again, so that the material clamping is easily caused, and the long-term use of the mold is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a plastic products assists forming device, simple structure and the drawing of patterns of being convenient for can effectively reduce card material phenomenon and take place.

In order to achieve the technical effects, the utility model adopts the following technical scheme:

an auxiliary molding device for plastic products comprises a working table, a fixed rack is fixedly arranged on the working table, the top of the fixed rack is fixedly provided with a hydraulic cylinder, the bottom of the hydraulic cylinder is fixedly connected with an upper die, a lower die and a controller are fixedly arranged on the working table surface, the lower die is fixedly connected with the working table surface through a plurality of ball screws, a molding cavity is arranged in the lower die, a plurality of mounting grooves are uniformly arranged at the bottom of the molding cavity at intervals, the mounting grooves are all fixedly provided with nitrogen springs, the tops of the nitrogen springs are all fixedly connected with sealing heads, the sealing head is in clearance fit with the mounting groove, the nitrogen spring is fixedly connected with the nitrogen pipeline, and an electric control valve is arranged on the nitrogen pipeline, and the ball screw, the electric control valve and the hydraulic cylinder are electrically linked with the controller.

Further, the nitrogen springs include at least three.

Further, the ball screw is arranged at a corner of the lower die, a screw nut is sleeved on the ball screw, and the lower die is fixedly connected with the screw nut.

Further, the upper portion of pneumatic cylinder is the stiff end, and the lower part is the expansion end, the stiff end with fixed rack fixed connection, expansion end and last mould fixed connection.

Further, a fixing plate horizontally arranged is arranged between the upper die and the hydraulic cylinder, sliding grooves are formed in two sides of the fixing rack, sliding blocks are arranged in the sliding grooves in a sliding mode, and two ends of the fixing plate are fixedly connected with the sliding blocks respectively.

Furthermore, a cooling liquid channel is formed in the lower die and is communicated with the cooling liquid pool through a condensation pipeline, a circulating pump is arranged on the condensation pipeline, and the circulating pump is electrically connected with the controller.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of supplementary forming device of plastic products is through setting up ejection mechanism in the bed die, be convenient for with plastic products after bed die and shaping separate, drive the bed die downstream through setting up ball simultaneously, can keep plastics after the shaping and last mould jacking all the time at the in-process of bed die downstream, and the plastic products after driving the mould through the pneumatic cylinder and taking out from the bed die after with the shaping, for prior art, the utility model provides a pair of supplementary forming device of plastic products can avoid the emergence of the card material condition effectively, the ejection of compact of plastic products after the shaping of being convenient for.

Drawings

Fig. 1 is a schematic overall structure diagram of an auxiliary forming device for plastic products according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a plastic product auxiliary forming device a-a' according to an embodiment of the present invention;

fig. 3 is a partial enlarged view of a plastic product auxiliary forming device B according to an embodiment of the present invention;

the reference signs are: 10-workbench surface, 11-controller, 12-circulating pump, 121-condensing pipeline, 13-ball screw, 13 a-screw nut, 14-mounting plate, 20-fixed rack, 21-hydraulic cylinder, 21 a-fixed end, 21 b-movable end, 22-fixed plate, 23-sliding block, 24-sliding chute, 30-upper die, 40-lower die, 41-forming cavity, 42-mounting groove, 43-nitrogen spring, 44-sealing head, 45-cooling liquid channel and 451-nitrogen pipeline.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 3, the auxiliary molding device for plastic products provided by this embodiment includes a work table 10 and a fixed stand 20, where the fixed stand 20 is fixedly connected to the work table 10.

In this embodiment, a hydraulic cylinder 21 is fixedly mounted on the top of the fixed rack 20, the hydraulic cylinder 21 is electrically connected to the controller 11, the upper portion of the hydraulic cylinder 21 is a fixed end 21a, the lower portion of the hydraulic cylinder 21 is a movable end 21b, the fixed end 21a is fixedly connected to the fixed rack 20, and the movable end 21b is fixedly connected to the upper die 30. Be provided with the fixed plate 22 that the level set up between expansion end 21b and the pneumatic cylinder 21, spout 24 has all been seted up to the both sides of fixed rack 20, equal slidable mounting has slider 23 in the spout 24, the both ends of fixed plate 22 respectively with slider 23 fixed connection, the below fixedly connected with of fixed plate 22 goes up mould 30.

In this embodiment, fixed mounting has bed die 40 and controller 11 on table surface 10, bed die 40 is through a plurality of ball 13 and table surface 10 fixed connection, ball 13 includes four groups, and sets up respectively the corner of bed die 40, all the cover is equipped with screw nut 13a on the ball 13, the bottom fixedly connected with mounting panel 14 of bed die 40, mounting panel 14 and screw nut 13a fixed connection. The ball screw 13 is electrically connected to the controller 11, and the controller 11 controls the movement of the ball screw 13 to drive the mounting plate 14 and the lower die 40 to move up or down.

In this embodiment, a molding cavity 41 is formed inside the lower mold 40, and when a plastic product is molded, the hydraulic cylinder 21 drives the upper mold 30 to abut against the lower mold 40, so that the raw material in the molding cavity 41 can be processed and molded through the molding cavity 41. A plurality of mounting grooves 42 have been seted up uniformly to the bottom interval of die cavity 41, the equal fixed mounting of mounting groove 42 has nitrogen spring 43, the equal fixedly connected with in top of nitrogen spring 43 seals head 44, sealed head 44 and mounting groove 42 clearance fit. The nitrogen spring 43 is fixedly connected with the nitrogen pipeline 451, an electric control valve is arranged on the nitrogen pipeline 451, and the electric control valve is electrically connected with the controller 11. The controller 11 controls the lifting of the nitrogen spring 43 by controlling the electric control valve, specifically, when the plastic product is molded by pressing, the nitrogen spring 43 is compressed, so that the top of the sealing head 44 is flush with the molding cavity 41, and the molding effect of the plastic product is ensured; after the plastic product is molded, the nitrogen spring 43 is extended to separate the plastic product from the lower mold 40.

In this embodiment, in order to ensure that the stress on the molded plastic product is uniform, the nitrogen springs 43 at least include three and are uniformly distributed at the bottom of the molding cavity 41.

In this embodiment, a cooling liquid channel 45 is formed in the lower mold 40, the cooling channel is disposed below the forming cavity 41, the cooling liquid channel 45 is communicated with a cooling liquid pool through a condensation pipeline 121, a circulation pump 12 is disposed on the condensation pipeline 121, and the circulation pump 12 is electrically connected with the controller 11. The controller 11 controls the circulating pump 12 to feed cooling liquid into the cooling liquid channel 45, so as to accelerate cooling of the plastic product and improve production efficiency.

In the present embodiment, the controller 11 is an STM32F103C8T6 microcontroller.

The principle of the utility model is that: the nitrogen spring 43 is arranged in the lower die 40 to be used as an ejection mechanism to separate the molded plastic product from the lower die 40, meanwhile, the mounting plate 14 is arranged at the bottom of the lower die 40, the lower die 40 is driven to move downwards through the plurality of ball screws 13, during actual work, the plastic die can be always tightly ejected with the upper die 30 when the lower die 40 is separated from the plastic product by adjusting the electric control valve and the movement speed of the ball screws 13, when the plastic product is completely separated from the lower die 40, the movement of the screw nut 13a can be controlled through the controller 11 to stop the movement of the lower die 40, at the moment, the hydraulic cylinder 21 is started to drive the upper die 30 to move, and the plastic product is taken out from the lower die 40.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims (6)

1. The utility model provides a plastic products assists forming device which characterized in that: including table surface (10), fixed mounting has fixed rack (20) on table surface (10), the top fixed mounting of fixed rack (20) has pneumatic cylinder (21), mould (30) on the bottom fixedly connected with of pneumatic cylinder (21), fixed mounting has bed die (40) and controller (11) on table surface (10), bed die (40) is through a plurality of ball (13) and table surface (10) fixed connection, become die cavity (41) have been seted up to the inside of bed die (40), become the bottom interval of die cavity (41) and seted up a plurality of mounting grooves (42) uniformly, equal fixed mounting in mounting groove (42) has nitrogen spring (43), the equal fixedly connected with sealing head (44) in top of nitrogen spring (43), sealing head (44) and mounting groove (42) clearance fit, the nitrogen spring (43) is fixedly connected with the nitrogen pipeline (451), an electric control valve is arranged on the nitrogen pipeline (451), and the ball screw (13), the electric control valve and the hydraulic cylinder (21) are electrically connected with the controller (11).

2. An auxiliary molding apparatus for plastic products as defined in claim 1, wherein: the nitrogen springs (43) comprise at least three.

3. An auxiliary molding apparatus for plastic products as defined in claim 1, wherein: ball (13) set up the corner of bed die (40), the cover is equipped with screw nut (13a) on ball (13), bed die (40) with screw nut (13a) fixed connection.

4. An auxiliary molding apparatus for plastic products as defined in claim 1, wherein: the upper portion of pneumatic cylinder (21) is stiff end (21a), and the lower part is expansion end (21b), stiff end (21a) with fixed rack (20) fixed connection, expansion end (21b) and last mould (30) fixed connection.

5. An auxiliary molding apparatus for plastic products as defined in claim 1, wherein: go up fixed plate (22) that the level that is provided with between mould (30) and pneumatic cylinder (21), spout (24) have all been seted up to the both sides of fixed bolster (20), equal slidable mounting has slider (23) in spout (24), the both ends of fixed plate (22) respectively with slider (23) fixed connection.

6. An auxiliary molding apparatus for plastic products as defined in claim 1, wherein: a cooling liquid channel (45) is formed in the lower die (40), the cooling liquid channel (45) is communicated with a cooling liquid pool through a condensation pipeline (121), a circulating pump (12) is arranged on the condensation pipeline (121), and the circulating pump (12) is electrically connected with the controller (11).

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