Low-surface-density thermoplastic plate dipping device

Abstract

The utility model discloses a low-surface-density thermoplastic plate dipping device, and belongs to the field of plate dipping. The low-surface-density thermoplastic plate dipping device comprises a device base, a liquid storage frame is arranged in the middle of the upper end of the device base, a first rubbing block is arranged on one side of a first traction roller, and a second rubbing block is arranged on one side of a second traction roller. The plate dipping device solves the problems that when thermoplastic materials are scraped by an existing plate dipping device, redundant liquid media which are scraped and removed can directly drop, the use environment of equipment is affected by dropping, and liquid resources are wasted due to direct dropping. According to the utility model, the scraped liquid medium can be actively collected through the extraction of the resin solution conveying constant-flux pump and the filtration of the filter screen, and the liquid medium can be repeatedly used after being filtered, so that the use environment of the device is improved, and the use cost of the device is reduced.

Description

Technical Field

[0001] The utility model relates to the field of plate impregnation, in particular to a low surface density thermoplastic plate impregnation device. Background Art

[0002] The low surface density thermoplastic sheet impregnation device is a device used to immerse the low surface density thermoplastic sheet in a specific liquid to change its surface properties or internal structure. This device is usually composed of an impregnation tank, a heating system and a control system, etc., which can achieve uniform impregnation of the sheet and efficient production;

[0003] A Chinese patent with publication number CN103963187A discloses a thermoplastic sheet impregnation device, including a lower scraper. An upper knife is provided on the side wall of a main pulling mechanism located above the lower knife seat. During the impregnation process, glass fiber and thermoplastic material are pre-pressed to improve the degree of fusion between the thermoplastic material and the glass fiber. In addition, a scraper mechanism is provided to scrape off excess thermoplastic material on the surface of the sheet to ensure that the thickness of the thermoplastic material on both sides of the glass fiber after impregnation is consistent, and at the same time, the thermoplastic material is made uniform again.

[0004] When the plate impregnation device of the above patent scrapes the thermoplastic material, the excess liquid medium removed by scraping will directly drip, which affects the use environment of the equipment and causes a waste of liquid resources. Utility Model Content

[0005] The purpose of the utility model is to provide a low surface density thermoplastic sheet impregnation device, which can actively collect the scraped liquid medium through the extraction of the resin solution conveying horizontal flow pump and the filtration of the filter net, and the liquid medium can be reused after filtering, thereby improving the use environment and cost of the device and solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low surface density thermoplastic plate impregnation device, comprising a device base, a liquid storage frame is arranged in the middle of the upper end of the device base, a second pulling roller is arranged on one side of the upper end of the liquid storage frame, a first pulling roller is arranged on the upper end of the second pulling roller, a first scratch block is arranged on one side of the first pulling roller, a second scratch block is arranged on one side of the second pulling roller, the first scratch block and the second scratch block are both provided with hollow cavities inside, and adsorption through holes are evenly arranged laterally on one end of the hollow cavity facing the first pulling roller and the second pulling roller.

[0007] Preferably, the adsorption through hole passes through the first scratch block and the second scratch block respectively and extends to the outside, one end of the first scratch block and the second scratch block are sealed connected by a first transmission pipe, and a resin solution conveying horizontal flow pump is provided on one side of the lower end of the first transmission pipe, and the extraction end of the resin solution conveying horizontal flow pump is sealed connected to the first transmission pipe through a second transmission pipe.

[0008] Preferably, the distance between the first scratch block and the second scratch block is smaller than the distance between the first pulling roller and the second pulling roller.

[0009] Preferably, an extension frame is provided on one side of the front end of the liquid storage frame, a filter screen is provided at the upper end inside the extension frame, a second transmission pipeline is provided between the upper end of the filter screen and the discharge end of the resin solution conveying horizontal flow pump, and an inclined section is provided at the lower end inside the extension frame.

[0010] Preferably, a connecting piece is provided between one end of the first pulling roller and one end of the first scratch block, the connecting piece is rotatably connected to the first pulling roller, and the connecting piece is fixed to the first scratch block by welding.

[0011] Preferably, a sliding rail is provided at one end of the connecting piece, and the sliding rail passes through and extends to the front and rear ends of the device base. The outside of the connecting piece is connected to the internal sliding slot of the sliding rail. A second hydraulic telescopic rod is provided at the lower end of one side of the outside of the sliding rail, and the telescopic end of the second hydraulic telescopic rod is welded and fixed to the connecting piece.

[0012] Preferably, second guide rods are sequentially arranged transversely at the upper end of the exterior of the liquid storage frame, a transmission plate is arranged at one end of the second guide rod, and two first hydraulic telescopic rods are arranged between the transmission plate and the device base.

[0013] Preferably, a first guide rod is provided on one side of the transmission plate, and a material receiving rod is provided at a lower end of one side of the first guide rod.

[0014] Preferably, heating strips are arranged in sequence in a transverse direction inside the liquid storage frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model transmits the material through the first pulling roller and the second pulling roller and allows the material to pass through the first scratch block and the second scratch block. The distance between the first pulling roller and the second pulling roller is greater than the distance between the first scratch block and the second scratch block. After the material is transmitted through the first pulling roller and the second pulling roller, the first scratch block and the second scratch block scrape off the excess liquid medium on the surface of the transmitted material. At the same time, the scraped liquid medium is actively extracted by the resin solution conveying horizontal flow pump. First, the resin solution conveying horizontal flow pump adsorbs a large amount of scraped liquid medium and reduces the amount and frequency of dripping liquid medium. Secondly, the range of the liquid storage frame is expanded to cover the lower ends of the first scratch block and the second scratch block. A small part of the liquid medium can also drip directly into the liquid storage frame to reduce liquid splashing. The liquid medium can also be reused continuously to avoid waste of the liquid medium and avoid dripping of the liquid medium to the device placement position to cause damage to the device environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall external structure of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the position relationship of the sliding rails of the utility model;

[0019] Figure 3 This is a cross-sectional view of the internal structure of the sliding rail of the utility model;

[0020] Figure 4 For the utility model Figure 3 A partial enlarged view of the middle A area;

[0021] Figure 5 This is a schematic diagram of the transmission structure of the connecting piece of the utility model;

[0022] Figure 6 It is a cross-sectional view of the internal structure of the first scratch block and the second scratch block of the utility model.

[0023] In the figure: 1. device base; 2. material storage rod; 3. liquid storage frame; 4. heating strip; 5. first guide rod; 6. second guide rod; 7. transmission plate; 8. first pulling roller; 9. second pulling roller; 10. first scratch block; 11. second scratch block; 12. first transmission pipeline; 13. second transmission pipeline; 14. resin solution conveying horizontal flow pump; 15. extension frame; 16. filter screen; 17. sliding rail; 18. first hydraulic telescopic rod; 19. second hydraulic telescopic rod; 20. inclined section; 21. connecting piece; 22. hollow cavity; 23. adsorption through hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In order to solve the problem that when the plate impregnation device in the prior art scrapes the thermoplastic material, the excess liquid medium removed by scraping will directly drip, the dripping affects the use environment of the equipment, and the direct dripping will cause a waste of liquid resources, this embodiment provides the following technical solutions:

[0026] A low surface density thermoplastic sheet impregnation device comprises a device base 1, a liquid storage frame 3 is arranged in the middle of the upper end of the device base 1, a thermoplastic resin solution is pre-soaked and stored in the liquid storage frame 3, and heating strips 4 are arranged in sequence in the liquid storage frame 3 in a transverse direction. The active heating of the heating strips 4 can improve the impregnation efficiency. Figure 1 As shown, a second pulling roller 9 is disposed on one side of the upper end of the liquid storage frame 3, and a first pulling roller 8 is disposed on the upper end of the second pulling roller 9. The rotation of the first pulling roller 8 and the second pulling roller 9 can actively pull the thermoplastic sheet, so that the thermoplastic sheet enters the liquid storage frame 3 and contacts the high-temperature thermoplastic resin solution pre-placed inside.

[0027] In this embodiment, a first scraping block 10 is provided on one side of the first pulling roller 8. Figure 1 As shown, a second scraping block 11 is provided on one side of the second pulling roller 9, and the second scraping block 11 and the first scraping block 10 contact the transported plate, contacting the plate to scrape off the excess medium on the surface;

[0028] In this embodiment, the distance between the first scratch block 10 and the second scratch block 11 is smaller than the distance between the first pulling roller 8 and the second pulling roller 9. Figure 1 As shown, by adjusting the spacing, the excess material scraping position is located between the first scratch block 10 and the second scratch block 11;

[0029] In this embodiment, the first scratch block 10 and the second scratch block 11 are both provided with a hollow cavity 22, and the end of the hollow cavity 22 facing the first pulling roller 8 and the second pulling roller 9 is evenly provided with adsorption through holes 23. Figure 6 As shown, the adsorption through hole 23 respectively penetrates the first scraping block 10 and the second scraping block 11 and extends to the outside, and the scraped and discharged liquid is extracted from the adsorption through hole 23 and collected into the hollow cavity 22;

[0030] In this embodiment, if Figure 6As shown, one end of the first scratch block 10 and the second scratch block 11 are both sealed and connected through the first transmission pipe 12, and a resin solution delivery advection pump 14 is provided on one side of the lower end of the first transmission pipe 12, and the extraction end of the resin solution delivery advection pump 14 is sealed and connected to the first transmission pipe 12 through the second transmission pipe 13, and the second transmission pipe 13 passes through the second transmission pipe 13 and the transmission extraction hollow cavity 22 of the first transmission pipe 12;

[0031] In this embodiment, an extension frame 15 is provided at one side of the front end of the liquid storage frame 3, and a filter screen 16 is provided at the upper end of the extension frame 15. Figure 1 and Figure 3 As shown, a second transmission pipeline 13 is arranged between the upper end of the filter screen 16 and the discharge end of the resin solution delivery horizontal flow pump 14. The liquid extracted by the resin solution delivery horizontal flow pump 14 will be transported to the upper end of the extension frame 15 after transmission, and then transported and filtered by the filter screen 16. The filtration facilitates the repeated use of the liquid medium and reduces the waste of resources. The lower end of the extension frame 15 is provided with an inclined section 20. The inclination of the inclined section 20 can force the extracted liquid to flow toward the inside of the liquid storage frame 3.

[0032] In this embodiment, if Figure 5 As shown, a connecting piece 21 is provided between one end of the first pulling roller 8 and one end of the first scratch block 10, the connecting piece 21 is rotatably connected to the first pulling roller 8, and the connecting piece 21 is welded and fixed to the first scratch block 10. The transmission of the connecting piece 21 can simultaneously drive the first pulling roller 8 and the first scratch block 10 to move, so as to adapt to plates of different thicknesses;

[0033] In this embodiment, a sliding rail 17 is provided at one end of the connecting piece 21, and the sliding rail 17 penetrates and extends to the front and rear ends of the device base 1. Figure 1 , Figure 2 and Figure 3 As shown, the outside of the connecting piece 21 is connected to the internal sliding groove of the sliding rail 17, and a second hydraulic telescopic rod 19 is provided at the lower end of one side of the outside of the sliding rail 17, and the telescopic end of the second hydraulic telescopic rod 19 is welded and fixed to the connecting piece 21, and the longitudinal positions of the first pulling roller 8 and the first scratching block 10 can be actively adjusted by the telescopic movement of the second hydraulic telescopic rod 19;

[0034] In this embodiment, if Figure 1 and Figure 2As shown, the upper end of the outside of the liquid storage frame 3 is laterally provided with a second guide rod 6 in sequence, one end of the second guide rod 6 is provided with a transmission plate 7, and two first hydraulic telescopic rods 18 are provided between the transmission plate 7 and the device base 1. The extension and retraction of the two first hydraulic telescopic rods 18 can drive the second guide rod 6 to move longitudinally through the transmission plate 7, and the longitudinal movement of the second guide rod 6 can press the plate so that the plate is embedded in the liquid storage frame 3. The extension and retraction of the first hydraulic telescopic rod 18 can facilitate the placement of the plate, which is convenient for the placement of the plate when the device is used for the first time;

[0035] In this embodiment, a first guide rod 5 is provided on one side of the transmission plate 7, and a material receiving rod 2 is provided on the lower end of one side of the first guide rod 5. Figure 1 and Figure 2 As shown, the impregnated sheet is wound around the outside of the material storage rod 2 to achieve continuous use, and the guidance and restriction of the first guide rod 5 can reduce the contact of the sheet with the liquid storage frame 3, reduce friction and avoid damage to the sheet.

[0036] Working principle: When the device is used and the plate is transported and impregnated, the plate is firstly wound around the outside of the material storage rod 2, a part of the plate is pre-fitted to the first guide rod 5, the plate is moved and positioned at the lower end of the second guide rod 6, and the positions of the first pulling roller 8 and the first scratch block 10 can be adjusted simultaneously by the extension and retraction of the second hydraulic telescopic rod 19 and the transmission of the connecting piece 21 to adapt to plates of different thicknesses, and then one end of the plate is placed between the first pulling roller 8 and the second pulling roller 9. During impregnation, the contraction of the first hydraulic telescopic rod 18 can drive the second guide rod 6 to move down and press the plate through the transmission plate 7, so that the plate contacts the thermoplastic resin solution pre-placed in the liquid storage frame 3, and the output motors corresponding to the first pulling roller 8 and the second pulling roller 9 are started, and the output of the motor can drive the first pulling roller 8 to rotate counterclockwise, and the output of the motor can drive the second pulling roller 9 to rotate clockwise, and the rotation of the first pulling roller 8 and the second pulling roller 9 can pull the liquid The plate soaked in liquid inside the storage frame 3 will move to between the first scratch block 10 and the second scratch block 11 after being pulled. During the movement, excess liquid medium on the surface of the plate will be scraped and removed by the first scratch block 10 and the second scratch block 11. At the same time, the resin solution delivery horizontal flow pump 14 is started. The resin solution delivery horizontal flow pump 14 extracts the liquid medium scraped from the front end of the first scratch block 10 and the second scratch block 11 through the second transmission pipeline 13 and the first transmission pipeline 12. The scraped liquid medium will be temporarily located at the front end of the first scratch block 10 and the second scratch block 11. After being extracted by the resin solution delivery horizontal flow pump 14, the liquid medium will flow into the hollow cavity 22 through the adsorption through hole 23. After flowing into the hollow cavity 22, it will be extracted to the upper end of the extension frame 15. The extracted liquid medium will be filtered by the filter net 16 and the inclination of the inclined section 20 can make the extracted liquid medium flow into the liquid storage frame 3 again.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low surface density thermoplastic sheet impregnation device, comprising a device base (1), a liquid storage frame (3) is arranged in the middle of the upper end of the device base (1), a second pulling roller (9) is arranged on one side of the upper end of the liquid storage frame (3), and a first pulling roller (8) is arranged on the upper end of the second pulling roller (9), characterized in that: A first scratch block (10) is arranged on one side of the first pulling roller (8), and a second scratch block (11) is arranged on one side of the second pulling roller (9). A hollow cavity (22) is arranged inside the first scratch block (10) and the second scratch block (11). Adsorption through holes (23) are uniformly arranged laterally in the hollow cavity (22) at one end facing the first pulling roller (8) and the second pulling roller (9).

2. The low surface density thermoplastic sheet impregnation device according to claim 1, characterized in that: The adsorption through hole (23) respectively penetrates the first scratch block (10) and the second scratch block (11) and extends to the outside; one end of the first scratch block (10) and the second scratch block (11) are sealed connected via a first transmission pipe (12); a resin solution conveying horizontal flow pump (14) is provided on one side of the lower end of the first transmission pipe (12); the extraction end of the resin solution conveying horizontal flow pump (14) is sealed connected to the first transmission pipe (12) via a second transmission pipe (13).

3. The low surface density thermoplastic sheet impregnation device according to claim 2, characterized in that: The distance between the first scratch block (10) and the second scratch block (11) is smaller than the distance between the first pulling roller (8) and the second pulling roller (9).

4. The low surface density thermoplastic sheet impregnation device according to claim 2, characterized in that: An extension frame (15) is provided at one side of the front end of the liquid storage frame (3); a filter screen (16) is provided at the upper end of the extension frame (15); a second transmission pipeline (13) is provided between the upper end of the filter screen (16) and the discharge end of the resin solution delivery horizontal flow pump (14); and an inclined section (20) is provided at the lower end of the extension frame (15).

5. The low surface density thermoplastic sheet impregnation device according to claim 3, characterized in that: A connecting piece (21) is provided between one end of the first pulling roller (8) and one end of the first scratch block (10); the connecting piece (21) is rotatably connected to the first pulling roller (8); and the connecting piece (21) is fixed to the first scratch block (10) by welding.

6. The low surface density thermoplastic sheet impregnation device according to claim 5, characterized in that: A sliding rail (17) is provided at one end of the connecting piece (21), and the sliding rail (17) penetrates and extends to the front and rear ends of the device base (1), the outside of the connecting piece (21) is connected to the internal sliding groove of the sliding rail (17), and a second hydraulic telescopic rod (19) is provided at the lower end of one side of the outside of the sliding rail (17), and the telescopic end of the second hydraulic telescopic rod (19) is welded and fixed to the connecting piece (21).

7. The low surface density thermoplastic sheet impregnation device according to claim 4, characterized in that: A second flow guide rod (6) is arranged in sequence at the upper end of the exterior of the liquid storage frame (3) in a transverse manner, a transmission plate (7) is arranged at one end of the second flow guide rod (6), and two first hydraulic telescopic rods (18) are arranged between the transmission plate (7) and the device base (1).

8. The low surface density thermoplastic sheet impregnation device according to claim 7, characterized in that: A first flow guide rod (5) is provided on one side of the transmission plate (7), and a material storage rod (2) is provided at the lower end of one side of the first flow guide rod (5).

9. The low surface density thermoplastic sheet impregnation device according to claim 8, characterized in that: Heating strips (4) are arranged in sequence in a transverse manner inside the liquid storage frame (3).

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