EPS foaming pretreatment device
By designing the stirring and puncturing mechanism of the EPS foaming pretreatment device and combining it with the use of a vacuum pump, the problem of bubbles generated by stirring affecting the foaming effect was solved, and higher quality foaming treatment was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-04-10
AI Technical Summary
In the existing EPS foaming pretreatment process, the bubbles generated by stirring affect the foaming effect, resulting in poor product quality.
An EPS foaming pretreatment device was designed, which includes a stirring mechanism, a puncturing mechanism and a vacuum pump. The stirring blades stir the material and the puncturing needles puncture the air bubbles. At the same time, the vacuum pump extracts the gas to avoid air bubble residue.
It effectively reduces the generation of bubbles during the stirring process, improving foaming quality and the stability of subsequent processing.
Smart Images

Figure CN224103363U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to foaming technical field especially relates to a kind of EPS foaming pretreatment device. BACKGROUND
[0002] EPS (Expandable Polystyrene) is a kind of lightweight material widely used in packaging, building and thermal insulation field. In the production process of EPS products, foaming pretreatment is a key step, which directly affects the quality and performance of the final product.
[0003] In the prior art, the traditional EPS foaming pretreatment usually needs to preheat the foaming agent to quickly complete foaming. In the preheating process, in order to heat the foaming agent more evenly, it is usually necessary to stir it. However, during the stirring process, many bubbles will be generated, which will affect the subsequent foaming effect. Therefore, the utility model provides an EPS foaming pretreatment device to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides an EPS foaming pretreatment device.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] An EPS foaming pretreatment device includes a body, a partition is fixedly connected to the inner wall of the body, a stirring mechanism for stirring the material is arranged in the body, a piercing mechanism for piercing the bubbles generated during stirring is arranged in the body, the piercing mechanism includes a moving plate slidingly connected in the body, a plurality of equally spaced piercing needles are fixedly connected to the lower end of the moving plate, a moving mechanism for moving the piercing mechanism is arranged in the body, and a limiting mechanism for limiting the piercing mechanism is arranged in the body.
[0007] Preferably, the stirring mechanism includes a rotating rod rotatably connected to the top of the body, the rotating rod penetrates through the partition and is rotatably connected thereto, a plurality of equally spaced stirring blades are fixedly sleeved on the rotating rod below the partition, a through hole is formed in the center of the moving plate, and the rotating rod penetrates through the through hole.
[0008] Preferably, the moving mechanism includes a reciprocating screw rod rotatably connected to the top of the body, the upper end of the moving plate is fixedly connected to two symmetrically arranged U-shaped plates, and the reciprocating screw rod penetrates through one of the U-shaped plates and cooperates therewith.
[0009] Preferably, the limiting mechanism comprises a limiting rod fixedly connected to the top of the body, the limiting rod penetrating through the other U-shaped plate and being in sliding connection with the other U-shaped plate.
[0010] Preferably, the upper end of the body is fixedly connected with a motor, and the output shaft of the motor is fixedly connected to the upper end of the rotating rod.
[0011] Preferably, a vacuum pump is fixedly connected to the side wall of the body, the vacuum pump being in communication with the body through a suction pipe, and the body is respectively provided with an inlet valve and an outlet valve on the side walls at two ends thereof, and an electric heating plate is mounted to the inner bottom of the body.
[0012] Preferably, gears are fixedly sleeved on the rotating rod and the reciprocating lead screw, and the two gears are in engagement.
[0013] Compared with the prior art, the present application has the following beneficial effects:
[0014] 1. The driving motor is arranged to rotate the output shaft, drive the rotating rod and the stirring blade to rotate, and realize stirring of the material, in the process of rotation of the rotating rod, the reciprocating lead screw rotates under the transmission of the gear, drives the U-shaped plate cooperating therewith to reciprocate, drives the moving plate to reciprocate, and drives the piercing needle to reciprocate, so as to realize piercing of the bubbles generated in the stirring process, avoid too many bubbles, and affect the foaming quality.
[0015] 2. The vacuum pump is arranged to be started in the stirring process, the vacuum pump can extract the gas in the body, can effectively avoid the gas remaining to generate bubbles again, and improve the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A cross-sectional perspective view of the EPS foaming pretreatment device is provided for the present application;
[0017] Figure 2 A front view of the EPS foaming pretreatment device is provided for the present application;
[0018] Figure 3 A cross-sectional perspective view of the EPS foaming pretreatment device is provided for the present application;
[0019] Figure 4 A cross-sectional perspective view of the EPS foaming pretreatment device is provided for the present application;
[0020] Figure 5 A Figure 4 structure enlarged view of A in the present application.
[0021] In the figure: 1 body, 2 motor, 3 vacuum pump, 4 feed valve, 5 electric heating plate, 6 stirring blade, 7 partition, 8 suction pipe, 9 moving plate, 10 piercing needle, 11 rotating rod, 12 reciprocating screw, 13 limit rod, 14 U-shaped plate, 15 discharge valve, 16 gear. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model are described in detail below. In the following description, a large number of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.
[0023] REFERENCE Figures 1-5 An EPS foaming pretreatment device, including body 1, the inner wall of body 1 is fixedly connected with partition 7, the inside of body 1 is provided with the stirring mechanism for stirring material, the stirring mechanism includes rotating rod 11 that is rotationally connected in the top of body 1, rotating rod 11 passes through partition 7 and is rotationally connected with it, a plurality of groups of equidistantly arranged stirring blades 6 are fixedly sleeved on rotating rod 11 below partition 7, the center of moving plate 9 is provided with through hole, rotating rod 11 passes through through hole, and the setting of through hole can avoid the interference generated by the movement of moving plate 9.
[0024] In the utility model, the inside of body 1 is provided with a piercing mechanism for piercing the bubbles generated in the stirring process, the piercing mechanism includes a moving plate 9 slidingly connected in the body 1, and a plurality of equidistantly arranged piercing needles 10 are fixedly connected to the lower end of the moving plate 9.
[0025] In the utility model, the inside of body 1 is provided with a moving mechanism for moving the piercing mechanism, the moving mechanism includes a reciprocating screw 12 rotationally connected to the top of body 1, the upper end of the moving plate 9 is fixedly connected to two symmetrically arranged U-shaped plates 14, the reciprocating screw 12 passes through one of the U-shaped plates 14 and cooperates with it, the upper end of the rotating rod 11 is fixedly connected to the output shaft of the motor 2, and the output shaft of the motor 2 is fixedly connected to the upper end of the rotating rod 11, the rotating rod 11 and the reciprocating screw 12 are both fixedly sleeved with gears 16, and the two gears 16 are engaged.
[0026] In the utility model, the side wall of the body 1 is fixedly connected with a vacuum pump 3, the vacuum pump 3 is communicated with the body 1 through the suction pipe 8, the side walls of the two ends of the body 1 are respectively provided with a feed valve 4 and a discharge valve 15, and the inner bottom of the body 1 is provided with an electric heating plate 5.
[0027] The utility model discloses a limiting mechanism is provided in the inside of the body 1 for the limiting of the poking mechanism, and the limiting mechanism includes the limiting rod 13 of fixed connection in the top of the body 1, limiting rod 13 passes through another U -shaped plate 14 and with its sliding connection, limiting rod 13 is vertically arranged, realizes the limiting of moving plate 9, improves its moving stability.
[0028] The utility model uses, material is inputted by feeding valve 4 in the body 1, subsequently the output shaft rotation of drive motor 2 is driven, drives rotary rod 11 to rotate, the rotation of rotary rod 11 can drive stirring vane 6 to rotate, realizes the stirring of material, at this time, start electric heating plate 5, realizes the even preheating of material, under the transmission of gear 16 in the process of stirring, drives reciprocating screw rod 12 to rotate, drives the reciprocating movement of the U -shaped plate 14 with its cooperation, the reciprocating movement of U -shaped plate 14 can drive multiple puncture needle 10 reciprocating movement, puncture needle 10 can produce the bubble of the process of stirring and be poked, avoid bubble influence subsequent processing quality, in the process of pretreatment, start vacuum pump 3, and vacuum pump 3 can extract the gas in the body 1, can effectively avoid gas residue and produce bubble again, after processing, material can be taken out through discharge valve 15.
[0029] The above, only for the preferred specific implementation mode of the utility model, but the protection scope of the utility model does not limit to this, any skilled in the technical field of technology in the utility model discloses the technical range of the utility model, according to the utility model technical scheme and the utility model concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.
Claims
1. An EPS foaming pretreatment device comprising a machine body (1), characterized in that, The inner wall of the machine body (1) is fixedly connected with a partition plate (7), the inside of the machine body (1) is provided with a stirring mechanism for stirring the material, the inside of the machine body (1) is provided with a puncturing mechanism for puncturing the bubbles generated in the stirring process, the puncturing mechanism comprises a moving plate (9) slidably connected in the machine body (1), the lower end of the moving plate (9) is fixedly connected with a plurality of equally spaced puncture needles (10), the inside of the machine body (1) is provided with a moving mechanism for moving the puncturing mechanism, and the inside of the machine body (1) is provided with a limiting mechanism for limiting the puncturing mechanism.
2. The EPS foaming pretreatment device according to claim 1, characterized in that, The stirring mechanism comprises a rotating rod (11) rotatably connected to the top of the machine body (1), the rotating rod (11) penetrates through the partition plate (7) and is rotatably connected thereto, a plurality of groups of equally spaced stirring blades (6) are fixedly sleeved on the rotating rod (11) below the partition plate (7), a through hole is formed in the center of the moving plate (9), and the rotating rod (11) penetrates through the through hole.
3. The EPS foaming pretreatment device according to claim 2, characterized in that, The moving mechanism comprises a reciprocating screw rod (12) rotatably connected to the top of the machine body (1), the upper end of the moving plate (9) is fixedly connected with two symmetrically arranged U-shaped plates (14), and the reciprocating screw rod (12) penetrates through one of the U-shaped plates (14) and cooperates with the same.
4. The EPS foaming pretreatment device according to claim 3, characterized in that, The limiting mechanism comprises a limiting rod (13) fixedly connected to the top of the machine body (1), and the limiting rod (13) penetrates through the other U-shaped plate (14) and is slidably connected with the same.
5. The EPS foaming pretreatment device according to claim 4, wherein The upper end of the machine body (1) is fixedly connected with a motor (2), and the output shaft of the motor (2) is fixedly connected to the upper end of the rotating rod (11).
6. The EPS foaming pretreatment device according to claim 5, characterized in that, The side wall of the machine body (1) is fixedly connected with a vacuum pump (3), the vacuum pump (3) is in communication with the machine body (1) through a suction pipe (8), the both ends of the side wall of the machine body (1) are respectively provided with an inlet valve (4) and an outlet valve (15), and the inner bottom of the machine body (1) is provided with an electric heating plate (5).
7. The EPS foaming pretreatment device according to claim 6, characterized in that, The rotating rod (11) and the reciprocating screw rod (12) are both fixedly sleeved with a gear (16), and the two gears (16) are engaged.