CN219427388U - Sliding block tooth-removing demolding structure - Google Patents

Abstract

The utility model relates to a sliding block tooth-removing demolding structure, which consists of a straight-top screw tooth driving assembly and a sliding block driving assembly, wherein a screw tooth core in the straight-top screw tooth driving assembly is connected with a gear through a sliding block core, is connected with a small sliding block seat through a gear bearing and a bearing mounting block, is fixed by a small sliding block shovel base, is connected to the front end surface of the bearing mounting block through the screw tooth core and a sliding block core guide block, is arranged in a large sliding block, is provided with a motor below the large sliding block, is connected with a motor gear through a motor gear connecting rod, and is in meshed connection with the gear; an oil cylinder in the slide block driving assembly is fixedly connected to the rear end face of the small slide block pressing block through an oil cylinder mounting plate, the small slide block pressing block is matched and connected with the large slide block, and a piston rod of the oil cylinder is connected with the large slide block. The utility model can realize smooth demoulding of products with screw teeth and deep cavities by motor driving and oil cylinder driving, can complete automatic production, improves production efficiency, and saves manpower and material resources.

Description

Sliding block tooth-removing demolding structure

Technical Field

The utility model relates to a sliding block tooth-removing demolding structure, and belongs to the technical field of demolding structures.

Background

With the increasing development of the plastic industry, plastic products are continuously expanded and applied more and more widely in various industries, and the structure of the products is more and more complex. The precision matching degree of the die and the dimensional stability have higher requirement standards. In particular, the product has special functions, special requirements and unexpected shapes. The design requirements can be met only by a larger breakthrough in the structure.

Along with the application of plastic products in various fields, the diversification appears, the modeling of the products is more complicated, and typical parts with special structures are also provided, so that the rationality and stability of the structures, the simplicity of processing and the convenience of production are required to be considered. How to release the mold smoothly under a complex model.

The engine is provided with the product shown in fig. 1 to 3, so that the smooth demolding of the product cannot be realized at present according to the conventional demolding structure, and the product is damaged when the product is demolded, so that the inverted buckle needs to be subjected to demolding of a more complex structure, the cost is increased, the processing is difficult, and the structure is unstable.

Figures 1 to 3 show a product with 4 threads and 4 nozzle deep cavity stripping; the screw tooth area B is completed by separately designing the gear bearing, the motor and other matched moving parts.

Disclosure of Invention

The utility model aims to solve the technical problems that: the sliding block tooth-removing demolding structure is simple, safe, reliable and high in production efficiency, and solves the problem that the conventional sliding block tooth-removing and smooth demolding cannot be realized by the existing demolding structure.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the sliding block tooth removing and demolding structure consists of a straight-top screw tooth driving assembly and a sliding block driving assembly, wherein a screw tooth core in the straight-top screw tooth driving assembly is connected with a gear through a sliding block core, is connected with a small sliding block seat through a gear bearing and a bearing mounting block, is fixed by a small sliding block shovel base, is connected onto the front end surface of the bearing mounting block through the screw tooth core and a sliding block core guide block, is installed in a large sliding block, is provided with a motor below the large sliding block, is connected with a motor gear through a motor gear connecting rod, and is in meshed connection with the gear; the oil cylinder in the sliding block driving assembly is fixedly connected to the rear end face of the small sliding block pressing block through an oil cylinder mounting plate, the small sliding block pressing block is matched and connected with the large sliding block, and a piston rod of the oil cylinder is connected with the large sliding block.

Further, the big slide block is connected with an inductive switch touching block, and the oil cylinder installing plate is provided with an oil cylinder inductive switch.

Further, the rear end of the sliding block core is connected with a sliding block core water transferring block.

Further, the displacement travel of the small sliding block seat is 17mm.

Further, the sliding-out distance of the large sliding block is 125mm.

The beneficial effects of the utility model are as follows:

the utility model has simple, safe and reliable operation, can realize smooth demoulding of products with screw teeth and deep cavities by motor driving and oil cylinder driving, can complete automatic production, improves the production efficiency and saves manpower and material resources.

Drawings

FIG. 1 is a schematic perspective view of a back-off on a product;

FIG. 2 is a schematic plan view of a back-off on a product;

FIG. 3 is a cross-sectional view of A-A of FIG. 2;

FIG. 4 is a general schematic of a slider tooth stripping mating feature;

FIG. 5 is a cross-sectional view of the slider tooth stripping engagement feature;

FIG. 6 is a schematic view of a slider tooth-stripping assembly and mating parts;

FIG. 7 is a schematic view of a screw drive assembly;

FIG. 8 is a schematic diagram of a cylinder drive assembly;

FIG. 9 is a schematic diagram of a slide stripping crest ejection mold closing state;

FIG. 10 is a schematic view of a slider tip-off return open mold;

in the figure: 1-a thread core; 2-a slider core; 3-gear bearings; 4-gear; a 5-thread core and a slider core guide block; 6-bearing mounting blocks; 7-a small sliding block shovel base; 8-small slide block seat; 9-motor gear; 10-motor gear bearing; 11-motor gear connecting rod; 12-motor; 13-large slide block; 14-small slide block pressing strips; 15-an oil cylinder; 16-an oil cylinder inductive switch; 17-an inductive switch bump; 18-small slide block pressing blocks; 19-a large slide block wear-resisting block; 20-a slide block core water transferring block; 21-an oil cylinder mounting plate; 100-straight-top screw driving assembly; 200-slider drive assembly.

Detailed Description

In order to make the utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below. The problem that needs to solve at present is at the screw tooth design rationality, how to design different core pulling structures simultaneously in the slider direction, because product screw tooth and dark chamber back-off are on same axis, both need guarantee screw tooth rotation stability, also the order of taking the core of hydro-cylinder and motor into account. The structure ensures the stability of the oil cylinder and the motor and ensures the stability and mass production of products by ensuring the design of the deep cavity waterway of the sliding block core.

For this purpose, an embodiment of the present utility model provides a sliding block tooth-stripping and demolding structure, as shown in fig. 4,5 and 6, which is composed of a straight-top screw driving assembly 100 and a sliding block driving assembly 200. Wherein:

as shown in fig. 7, the straight-top screw driving assembly 100 includes a screw core 1, a slider core 2, a gear bearing 3, a gear 4, a screw core and slider core guide block 5, a bearing mounting block 6, a small slider spade base 7, a small slider seat 8, a motor gear 9, a motor gear bearing 10, a motor gear connecting rod 11, a motor 12, a large slider 13, and a small slider pressing bar 14. The screw core 1 is connected with the gear 4 through the slide core 2, and is connected with the small slide block seat 8 through the gear bearing 3 and the bearing installation block 6, and is fixed by the small slide block shovel base 7, the screw core 1 is connected on the front end face of the bearing installation block 6 through the screw core and the slide block core guide block 5, the small slide block seat 8 is connected with the large slide block 13 through the small slide block layering of both sides, the motor 12 is installed below the large slide block 13 through the motor gear bearing 10, the motor 12 is connected with the motor gear 9 through the motor gear connecting rod 11, and the motor gear 9 is connected with the gear 4 in a meshed manner.

As shown in fig. 8, the slider driving assembly 200 includes an oil cylinder 15, an oil cylinder inductive switch 16, an inductive switch bump 17, a small slider press block 18, a large slider wear-resistant block 19, a slider core water block 20, and an oil cylinder mounting plate 21. The oil cylinder 15 is arranged on the rear end face of the small slide block pressing block 18 through the oil cylinder mounting plate 21, the small slide block pressing block 18 is matched and connected with the large slide block 13, and a piston rod of the oil cylinder 15 is connected with the large slide block 13. The big slide block 13 is connected with a sensitive switch touching block 17, and the oil cylinder mounting plate 21 is provided with an oil cylinder sensitive switch 16. Two slide core water transfer blocks 20 are connected with the slide core 2.

Preferably, the product screw teeth need to be rotated to be ejected from the die, the screw teeth and the deep cavity slide block are ejected from the die in the same direction, a rotary motor is matched with the oil cylinder to drive and slide, and the slide block core 2 is connected by two water rotating blocks, so that a waterway is designed, and the cooling problem of the product is greatly optimized.

Preferably, the product screw teeth are in the direction of the sliding block, the screw teeth are driven by the electric motor to enable the screw teeth core to move backwards under the reaction force of the sliding block core under the condition that the product is not moved, the problem of backward travel of the gears is considered, and the sliding block core also slides during die assembly is considered. See fig. 7.

Preferably, the sliding block core is not movable when the motor drives the screw core, and the sliding block core needs to be driven by the oil cylinder 15 under the instruction of the inductive switch after the screw is separated from the product after the motor runs, so that the sliding block core is separated from the deep cavity area. See fig. 7.

Preferably, when the screw core is withdrawn from the stroke and returned, a small sliding block 8 is required to be designed, so that the sliding stroke of the screw core is ensured, the situation of glue leakage is also ensured when the screw core is not withdrawn after injection after the return, and the situation is shown in fig. 6.

Preferably, in the mold closing state diagram of the screw and the slide, the screw mold opening stroke (17 mm) and the slide mold opening stroke (125 mm) can be seen, as shown in fig. 9, the mold opening state is driven by the motor and the oil cylinder, as shown in fig. 10, the mold opening state is a continuous action that the ejector plate moves to drive the straight ejector to eject the straight ejector, and the oblique ejector is completed.

The implementation process of the utility model is as follows:

the first step: firstly, the problem of thread removal is solved firstly, a gear 4 is required to be installed on the rotation of a thread core 1, for rotation prevention, a plane with a designed 6 side is matched with the thread core 1 for driving the thread core 1, so that the bearing 3 is designed for ensuring the rotation stability and smoothness of the thread core 1, a motor driving end is required to be designed for connecting a motor connecting rod 11 with a motor gear bearing 10 due to space limitation, a motor 12 drives a motor gear 9 when moving, the motor gear 9 drives the gear 4, the thread core 1 moves backwards under the reaction force of a product, and the thread is separated from the product

At this time, the screw core 1 is required to ensure the withdrawal stroke, the screw core 1 can be normally returned when being clamped, and the risk that the screw core 1 does not return when the mold is injection molded is confirmed, so that the small slider shovel base 7, the small slider seat 8, the small slider pressing bar 14 and other components are required to be designed, the displacement stroke 17MM of the small slider seat 8 for the AB plate die opening is shown in fig. 6, namely the screw core 1 stroke, the motor 12 can only move unidirectionally, the screw core 1 can only drive the small slider seat 8 to push the screw core 1 to return when being opened and closed by the AB plate die opening, and a series of screw motion matching relations are provided

And a second step of: at this time, after the screw driving assembly is far moved, the large slide block 13 starts to move under the instruction of the oil cylinder inductive switch 16 until the inductive switch touching block 17 touches the oil cylinder inductive switch 16 to finish, the large slide block 13 slides back 125MM, and the product deep cavity back-off is separated. The water way is utilized to transfer water into and out of the water fast 20 by taking the mass production sliding block core into consideration. Thereby improving the mass productivity of the product.

Avoiding complex structures. The structure is ingenious in overall application, related accessories such as gears and motors are designed on the conventional sliding blocks, smooth demolding of products with screw teeth and deep cavity sliding blocks is achieved through two-step movement, automatic production can be completed, production efficiency is improved, and manpower and material resources are saved.

Claims (5)

1. The utility model provides a slider tooth stripping demolding structure which characterized in that: the device comprises a straight-top screw tooth driving assembly and a slide block driving assembly, wherein a screw tooth core in the straight-top screw tooth driving assembly is connected with a gear through a slide block core, is connected with a small slide block seat through a gear bearing and a bearing mounting block, is fixed by a small slide block shovel base, is connected to the front end surface of the bearing mounting block through the screw tooth core and a slide block core guide block, is arranged in a large slide block, is provided with a motor below the large slide block, is connected with a motor gear through a motor gear connecting rod, and is in meshed connection with the gear; the oil cylinder in the sliding block driving assembly is fixedly connected to the rear end face of the small sliding block pressing block through an oil cylinder mounting plate, the small sliding block pressing block is matched and connected with the large sliding block, and a piston rod of the oil cylinder is connected with the large sliding block.

2. The slider tooth stripping die structure as claimed in claim 1, wherein: the large slide block is connected with an inductive switch touching block, and the oil cylinder installing plate is provided with an oil cylinder inductive switch.

3. The slider tooth stripping die structure as claimed in claim 1, wherein: the rear end of the sliding block core is connected with a sliding block core water-transferring block.

4. The slider tooth stripping die structure as claimed in claim 1, wherein: the displacement travel of the small sliding block seat is 17mm.

5. The slider tooth stripping die structure as claimed in claim 1, wherein: the sliding and withdrawing distance of the large sliding block is 125mm.