XPE foaming plate melting conveying and extruding equipment

Abstract

The utility model provides a kind of XPE foamed board melting conveying extrusion equipment, including stirring melting container, conveying barrel, extrusion die and engagement structure;Engagement structure has first engagement half ring, second engagement half ring and opening-closing structure, first engagement half ring and second engagement half ring are hinged together, the first end and the last end of opening-closing structure are respectively hinged with first engagement half ring second engagement half ring respectively, first engagement half ring and second engagement half ring are used for engagement and place annular inlet portion and annular outlet portion. To realize the quick connection of conveying barrel and extrusion die, here sets up engagement structure, first engagement half ring, second engagement half ring respectively ring inlet portion and ring outlet portion are clamped and matched, so it can be quickly completed combination seal, and the telescopic effect of opening-closing structure can quickly complete this process, so that combination forms fastening connection after, improve the working efficiency of combination and disassembly.

Description

Technical Field

[0001] This utility model relates to an XPE foam board production equipment, specifically an XPE foam board melt conveying and extrusion equipment with convenient temperature control. Background Technology

[0002] The main process for producing foamed boards from cross-linked polyethylene (XLPE, or XPE) can be divided into the following key steps: Step 1: Raw Material Preparation: Polyethylene (PE) Resin: Select a suitable polyethylene resin for crosslinking and foaming (such as LDPE or HDPE). Additionally, crosslinking agents such as commonly used peroxides (e.g., DCP, dicumyl peroxide) or silane crosslinking agents are needed. Foaming agents can be chemical foaming agents (e.g., AC foaming agent, azodicarbonamide) or physical foaming agents. Furthermore, other additives can be selected as needed, such as stabilizers, lubricants, nucleating agents, etc.

[0003] Step 2: Initial mixing and melting to form a homogeneous material, followed by stirring, mixing, and melting; Step 3: Carry out the cross-linking foaming reaction at a suitable temperature; Step 4: Extrusion through a mold to form a thin foam board; after cooling and cutting, the final product is formed.

[0004] In the existing technology, in the cross-linking foaming process of step 3, the material needs to be conveyed. The downstream side of the conveyor will enter the mold for extrusion. However, the existing conveying structure and the matching relationship between the extrusion mold are not reasonably designed. It usually requires complex structural connections and multiple steps to complete the combination or disassembly of the two units. For example, the two sets of units are temporarily connected by a flange structure, which significantly reduces work efficiency and is also prone to leakage problems at the connection position. Utility Model Content

[0005] To address the problems existing in the above-mentioned technologies, this utility model provides an XPE foam board melt conveying extrusion device, including a stirring and melting container, a conveying cylinder, an extrusion die, and a locking structure; The stirring and melting vessel has an internal stirring structure and a heating element; The conveying cylinder is located downstream of one side of the stirred melting vessel. The conveying cylinder has a heat preservation unit and a cooling unit, which surround the outer wall of the conveying cylinder. The interior of the conveying cylinder has an axially extending auger. The downstream outlet of the conveying cylinder has an annular outlet. The extrusion die is located on the downstream side of the conveying cylinder, and the extrusion die has an annular inlet. The engaging structure has a first engaging half-ring, a second engaging half-ring, and an opening and closing structure. The bottoms of the first engaging half-ring and the second engaging half-ring are hinged together. The two ends of the opening and closing structure are respectively hinged to the first engaging half-ring and the second engaging half-ring. Both the first engaging half-ring and the second engaging half-ring are used to engage and place the annular inlet and the annular outlet.

[0006] A preferred embodiment is that the opening and closing structure is a cylinder structure, and the tail of the cylinder structure is hinged in the first U-shaped groove of the first extended outer plate of the first engaging half ring. The telescopic rod of the cylinder structure is hinged in the second U-shaped groove of the second extended outer plate of the second engaging half-ring.

[0007] In a preferred embodiment, both the first and second engaging half-rings have engaging grooves, in which the annular inlet and annular outlet are engaged.

[0008] In a preferred embodiment, the heat preservation unit and the cooling unit are arranged alternately; the heat preservation unit has a heating annular wall, the cooling unit has a cooling annular wall, and the cooling annular wall has a cooling circulation inlet and a cooling circulation outlet.

[0009] In a preferred embodiment, the upstream side of the conveying cylinder has a stirring and melting container, which has a discharge port, a stirring container and an outlet arranged sequentially from top to bottom, and the outlet is connected to the inlet of the conveying cylinder.

[0010] A preferred embodiment further includes a feeding assembly having an inclined frame, a feeding hopper, and a driving unit. The driving unit is disposed on the inclined frame and drives the feeding hopper from a low position to a high position, and at the high position, pours the material in the feeding hopper into the stirring and melting container.

[0011] In a preferred embodiment, the drive unit has a transmission chain, an initial transmission wheel, a steering wheel, and an end wheel. The two ends of the initial transmission wheel, the steering wheel, and the end wheel are rotatably mounted on the inclined frame. The transmission chain is sleeved on the initial transmission wheel, the steering wheel, and the end wheel. The steering wheel and the end wheel are located on a horizontal steering section on the inclined frame. It also includes a drive motor, which is connected to the initial transmission wheel in a drive configuration; It also includes a linkage block, which is connected to the conveyor chain and fixedly connected to the feeding hopper. The bottom sides of the feeding hopper are movably arranged in the guide groove of the inclined frame through sliding wheels.

[0012] The beneficial effects of this utility model are as follows: The materials required for XPE foam boards are added to a stirring and melting container, stirred by a stirring structure, and heated by a heating element. The heating element adopts existing technology, for example, it can be set in the jacket of the stirring and melting container for heating or a separate heating element can be set inside the container for heating. After heating and stirring to reach the required temperature, a cross-linking reaction and foaming occur to form the required material. The specific materials required for the reaction and the reaction process are existing technologies and will not be elaborated here. In order to achieve a quick connection between the conveying cylinder and the extrusion die, a locking structure is set here. The first locking half ring and the second locking half ring respectively lock the annular inlet and the annular outlet, which can quickly complete the combination and sealing. The expansion and contraction of the opening and closing structure can quickly complete this process, so that a tight connection is formed after assembly, improving the efficiency of assembly and disassembly. Attached Figure Description

[0013] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of an XPE foam board melt conveying extrusion equipment according to the present invention; Figure 2 This is a structural schematic diagram of an XPE foam board melt conveying extrusion device from another angle according to this utility model; Figure 3 This utility model relates to an XPE foam board melt conveying and extrusion equipment. Figure 1 Enlarged structural diagram of section A; Figure 4 This is a partially enlarged schematic diagram of the locking structure of an XPE foam board melt conveying extrusion device according to this utility model; Figure 5 This utility model relates to an XPE foam board melt conveying and extrusion equipment. Figure 2 Enlarged structural diagram of section B; Figure 6 This is a schematic diagram of the feeding component of an XPE foam board melt conveying extrusion equipment according to this utility model; Figure 7 This is a schematic diagram of the axial extension auger of an XPE foam board melt conveying extrusion equipment according to this utility model.

[0015] Explanation of reference numerals in the attached figures: 10-Stirring and melting container; 11-Stirring structure; 13-Discharge port; 14-Stirring container; 15-Outlet section; 20-Conveying cylinder; 21-Insulation unit; 211-Heating annular wall; 22-Cooling unit; 221-Cooling annular wall; 222-Cooling circulation inlet; 223-Cooling circulation outlet; 23-Outer wall; 24-Axially extending auger; 25-Annular outlet; 30 - Extrusion die; 31 - Annular inlet; 40-Interlocking structure; 41-First interlocking semi-ring; 411-First extended outer plate; 412-First U-shaped groove; 42-Second interlocking semi-ring; 421-Second extended outer plate; 422-Second U-shaped groove; 423-Interlocking groove; 43-Opening and closing structure; 431-Cylinder structure; 432-Telescopic rod; 50-Feeding assembly; 51-Inclined frame; 511-Guide groove; 52-Feeding hopper; 521-Linkage block; 522-Sliding wheel; 53-Drive unit; 531-Transmission chain; 532-Initial transmission wheel; 533-Steering wheel; 534-End wheel; 535-Drive motor. Detailed Implementation

[0016] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] First embodiment: like Figure 1 , Figure 2 As shown, this utility model provides an XPE foam board melt conveying extrusion equipment, including a stirring and melting container 10, a conveying cylinder 20, an extrusion die 30, and a locking structure 40; The stirring and melting container 10 has a stirring structure 11 and a heating element inside; The conveying cylinder 20 is located downstream of one side of the stirred melting vessel 10. The conveying cylinder 20 has a heat preservation unit 21 and a cooling unit 22, which surround the outer wall 23 of the conveying cylinder 20. The interior of the conveying cylinder 20 has an axially extending auger 24 (e.g., Figure 7 (As shown); the downstream outlet of the conveying cylinder 20 has an annular outlet 25; The extrusion die 30 is located on the downstream side of the conveying cylinder 20, and the extrusion die 30 has an annular inlet portion 31.

[0018] In practical applications, the materials required for XPE foam boards are added to a stirring and melting container 10, stirred by a stirring structure 11, and heated by a heating element. The heating element utilizes existing technology; for example, it can be installed within the jacket of the stirring and melting container 10 for heating, or a separate heating element can be installed inside the container 10 for heating. Through heating and stirring, once the required temperature is reached, a cross-linking reaction and foaming occur to form the desired material. The specific materials required for the reaction and the reaction process are existing technologies and will not be elaborated here.

[0019] After the stirring reaction, the material then enters the conveying cylinder 20, which performs axial transport and generates axial thrust. That is, the material after stirring and mixing is gradually pushed to the downstream side by the internally installed axially extending auger 24, and then gradually pushed to the extrusion die 30 on the downstream side, thereby extruding to form a sheet plate. The structure of the extrusion die 30 is existing technology and will not be described in detail here.

[0020] The engaging structure 40 has a first engaging half-ring 41, a second engaging half-ring 42, and an opening and closing structure 43. The bottoms of the first engaging half-ring 41 and the second engaging half-ring 42 are hinged together. The two ends of the opening and closing structure 43 are respectively hinged to the first engaging half-ring 41 and the second engaging half-ring 42. The first engaging half-ring 41 and the second engaging half-ring 42 are both used to engage and place the annular inlet 31 and the annular outlet 25.

[0021] To achieve a quick connection between the conveying cylinder 20 and the extrusion die 30, a locking structure 40 is provided. The first locking half-ring 41 and the second locking half-ring 42 respectively lock the annular inlet 31 and the annular outlet 25, which can quickly complete the combination and sealing. The expansion and contraction of the opening and closing structure 43 can also quickly complete this process, so that a tight connection is formed after combination, improving the efficiency of combination and disassembly.

[0022] Second embodiment: A preferred solution is, as Figure 3 , Figure 4 As shown, the opening and closing structure 43 is a cylinder structure 431, and the tail of the cylinder structure 431 is hinged in the first U-shaped groove 412 of the first extended outer plate 411 of the first engaging half ring 41. The telescopic rod 432 of the cylinder structure 431 is hinged in the second U-shaped groove 422 of the second extended outer plate 421 of the second engaging half ring 42.

[0023] The cylinder structure 431 controls the opening and closing of the first engaging half ring 41 and the second engaging half ring 42 through extension and retraction control, so as to achieve the locking or unlocking control of the annular inlet 31 and the annular outlet 25.

[0024] In a preferred embodiment, both the first engaging half-ring 41 and the second engaging half-ring 42 have engaging grooves 423, within which the annular inlet portion 31 and the annular outlet portion 25 are engaged. In other preferred embodiments, an elastic sealing gasket may be provided within the engaging grooves 423 to achieve a sealed engagement after the annular inlet portion 31 and the annular outlet portion 25 are clamped together.

[0025] A preferred solution is, as Figure 5 As shown, the heat preservation unit 21 and the cooling unit 22 are arranged at intervals. The heat preservation unit 21 has a heating annular wall 211, and the cooling unit 22 has a cooling annular wall 221. The cooling annular wall 221 has a cooling circulation inlet 222 and a cooling circulation outlet 223. The spaced-out heat preservation unit 21 and cooling unit 22 can be used in combination, that is, all or part of the heat preservation unit 21 or cooling unit 22 can be activated. When conveying materials axially, different sections can be temperature controlled, thereby selectively activating the heat preservation unit 21 and cooling unit 22 at different locations for heating and cooling. This allows for rapid temperature adjustment of the internally conveyed material, making the temperature insulation response more sensitive and allowing for fine temperature control within a smaller control range, which is beneficial for quality assurance.

[0026] In a preferred embodiment, the upstream side of the conveying cylinder 20 has a stirring and melting vessel 10, which has a feed inlet 13, a stirring vessel 14, and an outlet 15 arranged sequentially from top to bottom. The outlet 15 is connected to the inlet of the conveying cylinder 20. The added reactants are fed in through the feed inlet 13, then stirred and mixed in the stirring vessel 14, and then discharged into the downstream conveying cylinder 20 through the outlet 15.

[0027] Third embodiment: A preferred solution is, as Figure 1 , Figure 2 , Figure 6 As shown, it also includes a feeding assembly 50, which has an inclined frame 51, a feeding hopper 52, and a driving unit 53. The driving unit 53 is disposed on the inclined frame 51. The driving unit 53 drives the feeding hopper 52 from a low position to a high position, and at the high position, it pours the material in the feeding hopper 52 into the stirring and melting container 10.

[0028] In practical applications, the feeding hopper 52 can be in a relatively low position and a relatively high position. When it is in a relatively low position, the reactants are loaded, and when it is in a relatively high position, the materials are poured into the stirring and melting container 10. Specifically, the feeding hopper 52 is moved by the driving unit 52.

[0029] In a preferred embodiment, the drive unit 53 has a transmission chain 531, an initial transmission wheel 532, a steering wheel 533, and an end wheel 534. The two ends of the initial transmission wheel 532, the steering wheel 533, and the end wheel 534 are rotatably mounted on the inclined frame 51. The transmission chain 531 is sleeved on the initial transmission wheel 532, the steering wheel 533, and the end wheel 534. The steering wheel 533 and the end wheel 534 are located on a horizontal steering section on the inclined frame 51. It also includes a drive motor 535, which is drivenly connected to the initial conveyor wheel 532; The drive motor 535 provides power, causing the initial conveyor wheel 532 to rotate. Correspondingly, the conveyor chain 531 drives the steering wheel 533 and the end wheel 534 to move. The drive motor 535 can rotate forward or backward to move the conveyor chain 531 in both directions, thereby driving the feeding hopper 52 to rise or fall.

[0030] It also includes a linkage block 521, which is connected to the conveyor chain 531 and is fixedly connected to the feeding hopper 52. The bottom sides of the feeding hopper 52 are movably arranged in the guide groove 511 of the inclined frame 51 by means of sliding wheels 522.

[0031] When the conveyor chain 531 moves, it drives the feeding hopper 52 to move through the linkage block 521. When it moves to a high position, the feeding hopper 52 gradually tilts downwards due to the position setting of the steering wheel 533 and the end wheel 534, so that the material is poured into the container below.

[0032] It should be noted that the feeding component 50 can be replaced by other existing feeding structures or by the traditional manual pouring feeding method. That is, the feeding component 50 belongs to a preferred embodiment.

[0033] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. An XPE foam board melt conveying extrusion device, characterized in that, include: A stirring melting container (10) has a stirring structure (11) and a heating element inside; A conveying cylinder (20) is located downstream of one side of the stirred melting container (10). The conveying cylinder (20) has a heat preservation unit (21) and a cooling unit (22), which surround the outer wall (23) of the conveying cylinder (20). The interior of the conveying cylinder (20) has an axially extending auger (24). The downstream outlet of the conveying cylinder (20) has an annular outlet (25). An extrusion die (30) is located on the downstream side of the conveying cylinder (20), and the extrusion die (30) has an annular inlet (31). The engaging structure (40) has a first engaging half-ring (41), a second engaging half-ring (42), and an opening and closing structure (43). The bottoms of the first engaging half-ring (41) and the second engaging half-ring (42) are hinged together. The two ends of the opening and closing structure (43) are respectively hinged to the first engaging half-ring (41) and the second engaging half-ring (42). The first engaging half-ring (41) and the second engaging half-ring (42) are both used to engage and place the annular inlet (31) and the annular outlet (25).

2. The XPE foam board melt conveying extrusion equipment according to claim 1, characterized in that, The opening and closing structure (43) is a cylinder structure (431), and the tail of the cylinder structure (431) is hinged in the first U-shaped groove (412) of the first extended outer plate (411) of the first engaging half ring (41). The telescopic rod (432) of the cylinder structure (431) is hinged in the second U-shaped groove (422) of the second extension outer plate (421) of the second engaging half ring (42).

3. The XPE foam board melt conveying extrusion equipment according to claim 1, characterized in that, The first locking half ring (41) and the second locking half ring (42) both have locking grooves (423), and the annular inlet (31) and the annular outlet (25) are locked in the locking grooves (423).

4. The XPE foam board melt conveying extrusion equipment according to claim 1, characterized in that, The heat preservation unit (21) and the cooling unit (22) are arranged at intervals; the heat preservation unit (21) has a heating annular wall (211), the cooling unit (22) has a cooling annular wall (221), and the cooling annular wall (221) has a cooling circulation inlet (222) and a cooling circulation outlet (223).

5. The XPE foam board melt conveying extrusion equipment according to claim 1, characterized in that, The upstream side of the conveying cylinder (20) has a stirring and melting container (10), which has a discharge port (13), a stirring container (14) and an outlet (15) arranged sequentially from top to bottom. The outlet (15) is connected to the inlet of the conveying cylinder (20).

6. The XPE foam board melt conveying extrusion equipment according to claim 1, characterized in that, It also includes a feeding assembly (50), which has an inclined frame (51), a feeding hopper (52), and a driving unit (53). The driving unit (53) is disposed on the inclined frame (51). The driving unit (53) drives the feeding hopper (52) to move from a low position to a high position, and at the high position, it pours the material in the feeding hopper (52) into the stirring and melting container (10).

7. The XPE foam board melt conveying extrusion equipment according to claim 6, characterized in that, The drive unit (53) has a transmission chain (531), an initial transmission wheel (532), a steering wheel (533), and an end wheel (534). The two ends of the initial transmission wheel (532), the steering wheel (533), and the end wheel (534) are rotatably mounted on the inclined frame (51). The transmission chain (531) is sleeved on the initial transmission wheel (532), the steering wheel (533), and the end wheel (534). The steering wheel (533) and the end wheel (534) are located on the horizontal steering section of the inclined frame (51). It also includes a drive motor (535), which is drivenly connected to the initial conveyor wheel (532); It also includes a linkage block (521), which is connected to the conveyor chain (531). The linkage block (521) is connected and fixed to the feeding hopper (52). The bottom sides of the feeding hopper (52) are movably set in the guide groove (511) of the inclined frame (51) by sliding wheels (522).

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