Transmitting end of ethylene vinyl acetate (EVA) ejection foaming forming machine

By setting a sliding sleeve and two sets of ejection components on the EVA injection foaming machine, simultaneous powder coating processing of two small workpieces can be achieved, solving the problem of wasted equipment space and improving processing efficiency and applicability.

CN223442686UActive Publication Date: 2025-10-17FUJIAN DONGPU TECH IND CO LTD
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Patent Information

Application Number
CN202422693549.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-10-17
Estimated Expiration
2034-11-06

AI Technical Summary

Technical Problem

Existing EVA injection foaming machines only have one powder coating launcher, which leaves empty space on the equipment placement plate when processing workpieces that occupy a small space, affecting the efficiency of mass production.

Method used

An EVA injection foaming machine is equipped with a sliding sleeve and two sets of ejection components, including a fixed cylinder and a liquid delivery cylinder. The sliding sleeve is equipped with adjustable ejection components, which can simultaneously perform powder coating on two workpieces. The powder coating flow rate and component distance are controlled by adjusting the screw and adjusting plate.

Benefits of technology

This improves the working efficiency and applicability of EVA injection foaming machines, enabling them to process two small workpieces simultaneously, meet different spacing requirements, and enhance the flexibility and efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a transmitting end of an EVA (Ethylene Vinyl Acetate) injection foaming forming machine, which relates to the technical field of EVA injection foaming forming machines and comprises a working table, a sliding sleeve is arranged above the working table, two groups of transmitting components are arranged in the sliding sleeve, each transmitting component comprises a fixed cylinder and a liquid conveying cylinder, the infusion cylinder is rotationally connected to the bottom end of the fixed cylinder, and one fixed cylinder is rotationally connected with the sliding sleeve. According to the transmitting end of the EVA injection foaming forming machine, by arranging the sliding sleeve and the two sets of transmitting assemblies, two plastic spraying transmitting ends can be arranged at the same time to conduct plastic spraying machining on workpieces, the equipment can machine the two workpieces with the small size together, and the working efficiency of the EVA injection foaming forming machine is effectively improved; and the distance between the two sets of emission assemblies is adjustable, the injection requirements of different intervals are met, the inclination angle of the sliding sleeve is adjustable, and the applicability of the EVA injection foaming forming machine is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to EVA injection foaming forming machine technical field, especially EVA injection foaming forming machine's launch end. BACKGROUND

[0002] The production process of EVA injection foaming forming generally includes the steps of injecting material into a mold, forming, demolding and grabbing the formed workpiece by a grabbing mechanism. With the diversification of product design by designers, EVA foaming forming products have gradually transitioned from traditional single color to double color and triple color. Therefore, the requirements for EVA injection foaming forming machines are becoming higher and higher.

[0003] The existing molding machine on the plastic spraying launch end often only has one, which can only process a single workpiece, resulting in that when processing some workpieces occupying less space, there are still many empty spaces on the equipment placing plate, which is not conducive to mass processing of the equipment.

[0004] Therefore, it is necessary to provide an EVA injection foaming forming machine launch end to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses an EVA injection foaming forming machine launch end to solve the problem that the existing molding machine on the plastic spraying launch end often only has one, which can only process a single workpiece, resulting in that when processing some workpieces occupying less space, there are still many empty spaces on the equipment placing plate, which is not conducive to mass processing of the equipment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an EVA injection foaming forming machine launch end, comprising a workbench, a sliding sleeve is arranged above the workbench, a launch assembly is arranged inside the sliding sleeve, the launch assembly is arranged in two groups, the launch assembly comprises a fixed cylinder and a liquid delivery cylinder, one of the fixed cylinders is rotatably connected to the bottom end of the fixed cylinder, the other fixed cylinder is slidably arranged inside the sliding sleeve, a sliding connection block is arranged above the workbench, a positioning ring is fixedly connected to the top end of the fixed cylinder rotatably connected to the sliding sleeve, and the positioning ring is fixedly connected to the sliding connection block.

[0007] Preferably, a first adjusting plate is fixedly connected to the inner wall of the fixed cylinder, a second adjusting plate is fixedly connected to the inner wall of the liquid delivery cylinder, and the second adjusting plate is attached to the first adjusting plate.

[0008] Preferably, the bottom end of the liquid delivery cylinder is communicated with a spray pipe.

[0009] Preferably, an adjusting screw is threadedly connected to the sliding sleeve, and the fixed cylinder slidably connected to the sliding sleeve is rotatably connected to the adjusting screw.

[0010] Preferably, one end of the adjusting screw located outside the sliding sleeve is fixedly connected to a rotating block.

[0011] Preferably, the top end of the fixed cylinder is connected to a first delivery pipe, the two first delivery pipes are connected via a three-way joint, and the other joint of the three-way joint is connected to a second delivery pipe.

[0012] Preferably, an electric sliding rail is provided on the workbench, and the sliding connection block cooperates with the electric sliding rail.

[0013] Technical effects and advantages of this utility model:

[0014] 1. The utility model is provided with a sliding sleeve and two sets of emission components, which can simultaneously have two spray-molding emission ends to spray the workpiece, so that the equipment can process some smaller workpieces at the same time, effectively improving the working efficiency of the EVA injection foaming molding machine; and the distance between the two sets of emission components is adjustable to meet the injection requirements of different spacings, and the inclination angle of the sliding sleeve is adjustable, thereby improving the applicability of the EVA injection foaming molding machine;

[0015] 2. The infusion cylinder can be rotated to drive the second adjustment plate to rotate, and the overlapping area of ​​the second adjustment plate and the first adjustment plate can be adjusted to control the spray flow rate. The two sets of emission components can be adjusted separately. At the same time, when the first adjustment plate and the second adjustment plate are staggered, the emission components can be closed, which is convenient for selecting one set of emission components for use, thereby improving the flexibility of the EVA injection molding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the launch end of the EVA injection foaming molding machine of the present invention.

[0017] Figure 2 For this utility model Figure 1 A magnified schematic diagram of the structure in the middle.

[0018] Figure 3 This is a schematic diagram of the structure of the sliding sleeve and the fixed cylinder of the utility model.

[0019] Figure 4 This is a schematic diagram of the structure of the sliding sleeve and the adjusting screw of the utility model.

[0020] Figure 5 This is a schematic structural diagram of the first adjustment plate and the second adjustment plate of the utility model.

[0021] In the figure: 1, workbench; 2, electric sliding rail frame; 3, sliding connecting block; 4, fixed cylinder; 5, infusion cylinder; 6, first adjusting plate; 7, second adjusting plate; 8, injection pipe; 9, first conveying pipe; 10, adjusting screw; 11, rotating block; 12, sliding sleeve; 13, tee joint; 14, second conveying pipe; 15, positioning ring. DETAILED DESCRIPTION

[0022] The utility model provides Figures 1-5 As shown in EVA injection foaming forming machine's launch end, including workbench 1, be provided with electric sliding rail frame 2 on workbench 1, the top of workbench 1 is provided with sliding connecting block 3, and sliding connecting block 3 is matched with electric sliding rail frame 2, and sliding connecting block 3 slides on electric sliding rail frame 2.Specific use, workbench 1 still is provided with controller, display screen, placing plate and other structures, and the workpiece is placed on the placing plate.

[0023] Considering that the plastic injection launch end on the existing forming machine is often only provided with one, only a single workpiece can be processed, and the use efficiency needs to be improved, the top of the workbench 1 is provided with a sliding sleeve 12, the inside of the sliding sleeve 12 is provided with a launch assembly, the launch assembly is provided in two groups, the launch assembly includes a fixed cylinder 4 and an infusion cylinder 5, the infusion cylinder 5 is rotatably connected to the bottom end of the fixed cylinder 4, one of the fixed cylinders 4 is rotatably connected to the sliding sleeve 12, the top end of the fixed cylinder 4 rotatably connected to the sliding sleeve 12 is fixedly connected to a positioning ring 15, and the positioning ring 15 is fixedly connected to the sliding connecting block 3, so that the sliding sleeve 12 can rotate on the fixed cylinder 4, and the inclination angle of the sliding sleeve 12 is adjustable; the other fixed cylinder 4 is slidably arranged in the inside of the sliding sleeve 12, so that the distance between the two fixed cylinders 4 is adjustable, meeting the spraying requirements of different distances, and cooperating with the adjustable inclination angle of the sliding sleeve 12, improving the applicability of the EVA injection foaming forming machine.

[0024] By setting the sliding sleeve 12 and the two groups of launch assemblies, two plastic injection launch ends can be provided for simultaneously spraying and processing workpieces, so that the equipment can process two small-sized workpieces at the same time, effectively improving the working efficiency of the EVA injection foaming forming machine; the distance between the two groups of launch assemblies is adjustable, meeting the spraying requirements of different distances, and cooperating with the adjustable inclination angle of the sliding sleeve 12, improving the applicability of the EVA injection foaming forming machine.

[0025] The bottom end of the infusion cylinder 5 is communicated with the injection pipe 8 for spraying EVA material to process the workpiece.

[0026] To control the plastic injection flow, the inner wall of the fixed cylinder 4 is fixedly connected with a first adjusting plate 6, the inner wall of the infusion cylinder 5 is fixedly connected with a second adjusting plate 7, the second adjusting plate 7 is attached to the first adjusting plate 6, and the first adjusting plate 6 and the second adjusting plate 7 are semicircular (refer to Figure 5). Specifically, the rotating infusion cylinder 5 drives the second adjusting plate 7 to rotate, adjusts the overlapping area of the second adjusting plate 7 and the first adjusting plate 6, thereby controlling the plastic injection flow, and the two groups of launching assemblies can be adjusted independently. When the first adjusting plate 6 and the second adjusting plate 7 are distributed in a staggered manner, the launching assembly can be closed, which facilitates the selection of one group of launching assemblies for use and improves the flexibility of the EVA injection foaming forming machine.

[0027] Specifically, the larger the overlapping area of the second adjusting plate 7 and the first adjusting plate 6, the larger the opening, and the larger the flow.

[0028] And the infusion cylinder 5 and the fixed cylinder 4 have a certain damping feeling. When subjected to external force, the infusion cylinder 5 can rotate at the bottom of the fixed cylinder 4, and after the external force stops, the infusion cylinder 5 remains in position. In the specific use process, it can be manually adjusted by the operator.

[0029] The adjusting screw 10 is threadedly connected to the sliding sleeve 12, and the fixed cylinder 4 slidingly connected to the sliding sleeve 12 is rotationally connected to the adjusting screw 10. One end of the adjusting screw 10 fixedly connected to the sliding sleeve 12 is fixedly connected to the rotating block 11. In specific use, the adjusting screw 10 is rotated through the rotating block 11, so that the position of the corresponding group of launching assemblies is adjusted; at the same time, a sliding block can be provided outside the fixed cylinder 4 corresponding to the adjusting screw 10, and a sliding groove is provided on the inner wall of the sliding sleeve 12. The sliding block and the sliding groove cooperate to improve the stability of the sliding of the launching assembly. The cooperation of the sliding block and the sliding groove is a common technology in the prior art, and will not be described here.

[0030] The top end of the fixed cylinder 4 is communicated with the first conveying pipe 9, and the two first conveying pipes 9 are communicated through the three-way joint 13. The other joint of the three-way joint 13 is communicated with the second conveying pipe 14, and the second conveying pipe 14 is connected with the conveying device (not shown in the figure). The conveying device includes a material pump and other structures for conveying EVA materials.

Claims

1. The launch end of the EVA injection foaming molding machine includes a workbench (1), characterized in that: A sliding sleeve (12) is provided above the workbench (1), and a launching assembly is provided inside the sliding sleeve (12). The launching assembly is provided in two groups, and the launching assembly includes a fixed cylinder (4) and an infusion cylinder (5). The infusion cylinder (5) is rotatably connected to the bottom end of the fixed cylinder (4), one of the fixed cylinders (4) is rotatably connected to the sliding sleeve (12), and the other fixed cylinder (4) is slidably provided inside the sliding sleeve (12). A sliding connection block (3) is provided above the workbench (1), and a positioning ring (15) is fixedly connected to the top end of the fixed cylinder (4) rotatably connected to the sliding sleeve (12), and the positioning ring (15) is fixedly connected to the sliding connection block (3).

2. The emitting end of the EVA injection foaming molding machine according to claim 1, characterized in that: A first adjustment plate (6) is fixedly connected to the inner wall of the fixed cylinder (4), and a second adjustment plate (7) is fixedly connected to the inner wall of the infusion cylinder (5), and the second adjustment plate (7) is attached to the first adjustment plate (6).

3. The emitting end of the EVA injection foaming molding machine according to claim 1, characterized in that: The bottom end of the infusion cylinder (5) is connected to a spray tube (8).

4. The emitting end of the EVA injection foaming molding machine according to claim 1, characterized in that: The sliding sleeve (12) is threadedly connected to an adjusting screw (10), and a fixed cylinder (4) corresponding to the sliding sleeve (12) is rotatably connected to the adjusting screw (10).

5. The emitting end of the EVA injection foaming molding machine according to claim 4, characterized in that: One end of the adjusting screw (10) located outside the sliding sleeve (12) is fixedly connected to a rotating block (11).

6. The emitting end of the EVA injection foaming molding machine according to claim 1, characterized in that: The top end of the fixed cylinder (4) is connected to a first delivery pipe (9), the two first delivery pipes (9) are connected via a three-way joint (13), and the other joint of the three-way joint (13) is connected to a second delivery pipe (14).

7. The emitting end of the EVA injection foaming molding machine according to claim 1, characterized in that: An electric sliding rail frame (2) is provided on the workbench (1), and the sliding connection block (3) cooperates with the electric sliding rail frame (2).