Multi-runner dipping mold for thermoplastic resin

Abstract

The utility model discloses a multi-runner dipping mold for thermoplastic resin, and relates to the technical field of thermoplastic resin. The multi-runner dipping mold for the thermoplastic resin comprises a bottom plate, a shunting assembly and a scraping mechanism, a lower mold is arranged over the bottom plate, four sets of hydraulic rods are fixedly installed at the top of the bottom plate and distributed in a rectangular shape, the free ends of the four sets of hydraulic rods are all fixedly connected with the bottom of the lower mold, and an upper mold is arranged over the lower mold; the outer surfaces of the two sides of the upper mold are each fixedly provided with two supporting rods, one ends of the four supporting rods are fixedly connected with the top of the bottom plate, the faces, close to each other, of the lower mold and the upper mold are each provided with a dipping face, and a dipping channel is formed between the two dipping faces. According to the multi-runner dipping mold for the thermoplastic resin, through the scraping mechanism, after dipping is completed, resin attached to the dipping faces of the lower mold and the upper mold can be scraped away, it is guaranteed that dipping channels are smooth, and the practicability of the mold is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to thermoplastic resin technical field especially relates to a thermoplastic resin is with multichannel impregnation mould. BACKGROUND

[0002] Chinese patent document CN215282856U discloses a kind of multichannel impregnation mould for continuous fiber reinforced thermoplastic resin, including upper die and lower die, the lower surface of the upper die and the upper surface of lower die are set to wave-shaped impregnation surface, the upper die and lower die are mutually buckled and form impregnation passage;Resin flow channel is set on the upper die and lower die, and the resin flow channel includes main flow channel vertically arranged on the side away from impregnation surface and multistage branch flow channel branched to impregnation surface, the feed inlet of the main flow channel is located at the center position of the side of the upper die or lower die away from impregnation surface, a rectangular groove is set in each group of waves on the impregnation surface, and the rectangular groove is connected with the discharge port of last stage branch flow channel;Resin flow channel is set to multistage branch structure in the impregnation mould, can ensure that resin melt enters impregnation flow channel uniformly and stably, realizes the uniform coating impregnation of resin on the surface of fiber, avoids the accumulation, carbon deposition and yellowing phenomenon caused by uneven feeding.

[0003] But the resin adhered on the wave line impregnation surface of the above-mentioned mould will solidify after use, and the impregnation passage space is narrow and not easy to clean, which can easily cause fiber bundle traction obstruction and insufficient impregnation, affect the later use, for this purpose, we propose a kind of multichannel impregnation mould for thermoplastic resin. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of multichannel impregnation mould for thermoplastic resin, which can solve the problem of not easy to maintain after use of part of existing mould.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of multichannel impregnation mould for thermoplastic resin, comprising:

[0006] The bottom plate is provided with a lower die directly above, and four groups of hydraulic rods are fixedly installed on the top of the bottom plate and distributed in a rectangular shape, the free ends of the four groups of hydraulic rods are fixedly connected with the bottom of the lower die, a upper die is provided directly above the lower die, two groups of support rods are fixedly installed on the outer surfaces of the two sides of the upper die, one end of the four groups of support rods is fixedly connected with the top of the bottom plate, a group of impregnation surfaces is arranged on the side of the lower die and the upper die close to each other, and an impregnation passage is formed between the two groups of impregnation surfaces;

[0007] The shunt assembly is arranged on the upper die, and the shunt assembly is used to shunt thermoplastic resin;

[0008] The top of the bottom plate is provided with the movable block, the front outer surface of the movable block is fixedly provided with the connecting rod, and one end of the connecting rod is fixedly provided with the scraping plate matched with the impregnation surface.

[0009] Preferably, the scraping mechanism further comprises a vertical plate, a servo motor and a lead screw, two groups of vertical plates are fixedly installed on the top of the bottom plate, the front outer surface of the vertical plate close to the scraping plate is fixedly installed with the servo motor, the lead screw is rotatably installed between the two groups of vertical plates, the rotating shaft of the servo motor is in transmission connection with the lead screw, the movable block is threadedly installed on the lead screw, and the bottom of the movable block is attached to the top of the bottom plate.

[0010] Preferably, the shunt assembly comprises a feeding pipe, a shunt channel and a second electromagnetic valve, the top of the upper mold is fixedly installed on the feeding pipe, the inside of the upper mold is provided with the shunt channel, one end of the feeding pipe is communicated with the inside of the shunt channel, and the feeding pipe is provided with the second electromagnetic valve.

[0011] Preferably, the feeding pipe is fixedly connected with a water conveying pipe communicated with the inside of the feeding pipe, and the water conveying pipe is provided with the first electromagnetic valve.

[0012] Preferably, a group of guide grooves are formed in the two sides of the upper mold and the lower mold.

[0013] Preferably, at least two groups of mounting holes are formed through the bottom plate.

[0014] Preferably, the front outer surface of the upper mold is fixedly installed with a control panel.

[0015] Compared with the prior art, the hot melt adhesive tape has the advantages that:

[0016] (1) The multi-flow channel impregnation mold for hot melt adhesive tape comprises a scraping mechanism, a shunt assembly, a water conveying pipe and a first electromagnetic valve, and the scraping mechanism is arranged on the top of the bottom plate and comprises a movable block, a connecting rod and a scraping plate.

[0017] (2) The multi-flow channel impregnation mold for hot melt adhesive tape comprises a scraping mechanism, a shunt assembly, a water conveying pipe and a first electromagnetic valve, and the scraping mechanism is arranged on the top of the bottom plate and comprises a movable block, a connecting rod and a scraping plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further illustrated below in combination with the drawings and embodiments:

[0019] Figure 1 It is a front view of the utility model;

[0020] Figure 2 It is Figure 1 It is a structure enlarged view at A in the middle;

[0021] Figure 3 It is a schematic view of the internal structure of the upper die of the utility model.

[0022] Reference signs: 1, bottom plate; 2, lower die; 3, hydraulic rod; 4, upper die; 5, support rod; 6, impregnation surface; 7, material scraping mechanism; 71, vertical plate; 72, servo motor; 73, lead screw; 74, movable block; 75, connecting rod; 76, material scraping plate; 8, shunt assembly; 81, feed pipe; 82, shunt channel; 83, second electromagnetic valve; 9, water delivery pipe; 10, first electromagnetic valve; 11, guide groove; 12, mounting hole; 13, control panel. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a multi-channel impregnation die for thermoplastic resin, including bottom plate 1, shunt assembly 8 and material scraping mechanism 7, the upper side of bottom plate 1 is provided with lower die 2, the top of bottom plate 1 is fixedly installed with four groups of hydraulic rods 3 and is rectangular distribution, the free end of four groups of hydraulic rods 3 is all fixedly connected with the bottom of lower die 2, the upper side of lower die 2 is provided with upper die 4, the outer surface of the two sides of upper die 4 is all fixedly installed with two groups of support rods 5, the end of four groups of support rods 5 is all fixedly connected with the top of bottom plate 1, one side of lower die 2 and upper die 4 mutually close is all provided with a group of impregnation surface 6, impregnation channel is formed between two groups of impregnation surface 6, shunt assembly 8 is set on upper die 4, shunt assembly 8 is used to shunt thermoplastic resin, the two sides of lower die 2 and upper die 4 are all provided with a group of guide grooves 11, at least two groups of mounting holes 12 are provided with through on bottom plate 1, the front side outer surface of upper die 4 is fixedly installed with control panel 13;

[0025] The scraping mechanism 7 is arranged on the top of the bottom plate 1, and the scraping mechanism 7 comprises a movable block 74, a connecting rod 75 and a scraping plate 76. The movable block 74 is arranged on the top of the bottom plate 1, and the connecting rod 75 is fixedly installed on the front outer surface of the movable block 74. The scraping plate 76 is fixedly installed on one end of the connecting rod 75 and is matched with the dipping surface 6.

[0026] The scraping mechanism 7 further comprises a vertical plate 71, a servo motor 72 and a lead screw 73. Two groups of vertical plates 71 are fixedly installed on the top of the bottom plate 1. The servo motor 72 is fixedly installed on the front outer surface of the vertical plate 71 close to the scraping plate 76. The lead screw 73 is rotatably installed between the two groups of vertical plates 71. The rotating shaft of the servo motor 72 is in transmission connection with the lead screw 73. The movable block 74 is screw-installed on the lead screw 73. The bottom of the movable block 74 is in close contact with the top of the bottom plate 1. Through the scraping mechanism 7, the resin adhered to the dipping surface 6 on the lower mold 2 and the upper mold 4 can be scraped after the dipping is completed, so as to ensure the smoothness of the dipping channel and solve the problem that the resin adhered to the wavy dipping surface of the existing part of the mold will solidify after use, and the narrow space of the dipping channel is not easy to clean, which easily causes the fiber bundle to be pulled and blocked and the dipping to be insufficient, thereby affecting the later use and improving the practicability of the mold.

[0027] The shunt assembly 8 comprises a feeding pipe 81, a shunt channel 82 and a second electromagnetic valve 83. The top of the upper mold 4 is fixedly installed on the feeding pipe 81. The shunt channel 82 is arranged in the inside of the upper mold 4. One end of the feeding pipe 81 is communicated with the inside of the shunt channel 82. The second electromagnetic valve 83 is arranged on the feeding pipe 81. The water conveying pipe 9 in communication with the inside of the feeding pipe 81 is fixedly connected to the feeding pipe 81. The first electromagnetic valve 10 is arranged on the water conveying pipe 9. Through the cooperation of the shunt assembly 8, the water conveying pipe 9 and the first electromagnetic valve 10, water can be introduced into the shunt channel 82 to flush the shunt channel 82 after the dipping is completed, so as to prevent the shunt channel 82 from being blocked due to the solidification of the resin. Meanwhile, under the action of the guide groove 11, the fiber bundle can be prevented from being blocked when being pulled, so as to ensure the use effect of the mold and be conducive to the promotion and use of the mold.

[0028] Working principle: when impregnating, the fiber bundle passes through the impregnation channel from the left side to the right side along the impregnation surface 6 and is continuously pulled, then the free end of each hydraulic rod 3 is controlled to elongate so that the lower mold 2 and the upper mold 4 are attached, in the process, the second electromagnetic valve 83 is opened, the first electromagnetic valve 10 is closed, the thermoplastic resin is impregnated into the fiber bundle through the feeding pipe 81 to the impregnation channel through the shunt channel 82, after the impregnation is completed, the lower mold 2 is controlled to descend and separate from the upper mold 4 by a certain distance, and the servo motor 72 is controlled to start, drives the screw rod 73 to rotate, drives the movable block 74 to move, the movable block 74 drives the scraping plate 76 to move between the lower mold 2 and the upper mold 4 through the connecting rod 75, and the scraping plate 76 is attached to the impregnation surface 6 on the lower mold 2 and the upper mold 4, until the resin adhered on the two groups of impregnation surfaces 6 is scraped off, then cleaned, then the second electromagnetic valve 83 is controlled to be closed, the first electromagnetic valve 10 is opened, and hot water is introduced into the shunt channel 82 through the water inlet pipe 9 to flush, so that the cleaning is realized.

[0029] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A multi-channel impregnation mold for thermoplastic resin, characterized by, The utility model relates to a thermoplastic resin impregnation device, including: The bottom plate (1) is provided with the lower mould (2) just above, the top of bottom plate (1) is fixedly installed four groups of hydraulic rod (3) and is rectangular distribution, the free end of four groups of hydraulic rod (3) all are fixedly connected with the bottom of lower mould (2), the upper mould (4) is provided with just above lower mould (2), the both sides outer surface of upper mould (4) all are fixedly installed two groups of support rod (5), one end of four groups of support rod (5) all are fixedly connected with the top of bottom plate (1), one side of lower mould (2) and upper mould (4) is close to each other all is provided with a group of impregnation surface (6), and forms impregnation passageway between two groups of impregnation surface (6); The shunt assembly (8) is provided on the upper die (4), and the shunt assembly (8) is used for shunting thermoplastic resin; The scraping mechanism (7) is provided on the top of the bottom plate (1), and the scraping mechanism (7) comprises a movable block (74), a connecting rod (75) and a scraping plate (76), the top of the bottom plate (1) is provided with the movable block (74), the front side outer surface of the movable block (74) is fixedly installed with the connecting rod (75), one end of the connecting rod (75) is fixedly installed with the scraping plate (76) which is matched with the impregnation surface (6) in shape.

2. A multi-manifold impregnation die for thermoplastic resins according to claim 1, characterized in that: The scraping mechanism (7) further comprises a vertical plate (71), a servo motor (72) and a lead screw (73), two groups of vertical plates (71) are fixedly installed on the top of the bottom plate (1), the front side outer surface of the vertical plate (71) close to the scraping plate (76) is fixedly installed with the servo motor (72), the lead screw (73) is rotatably installed between the two groups of vertical plates (71), the rotating shaft of the servo motor (72) is in transmission connection with the lead screw (73), and the movable block (74) is screw-installed on the lead screw (73), and the bottom of the movable block (74) is attached to the top of the bottom plate (1).

3. A multiple flow channel impregnation die for thermoplastic resin according to claim 2, characterized in that: The shunt assembly (8) comprises a feeding pipe (81), a shunt channel (82) and a second electromagnetic valve (83), the top of the upper die (4) is fixedly installed on the feeding pipe (81), the inside of the upper die (4) is provided with the shunt channel (82), one end of the feeding pipe (81) is communicated with the inside of the shunt channel (82), and the second electromagnetic valve (83) is arranged on the feeding pipe (81).

4. A multi-manifold impregnation die for thermoplastic resins according to claim 3, characterized in that: The feeding pipe (81) is fixedly connected with the water delivery pipe (9) communicated with the inside thereof, and the first electromagnetic valve (10) is arranged on the water delivery pipe (9).

5. A multiple flow channel impregnation die for thermoplastic resin according to claim 4, characterized in that: A group of guide grooves (11) are formed on the two sides of the lower die (2) and the upper die (4).

6. A multi-manifold impregnation die for thermoplastic resins according to claim 5, characterized in that: At least two groups of mounting holes (12) are formed on the bottom plate (1).

7. A multiple flow channel impregnation die for thermoplastic resin according to claim 6, characterized in that: A control panel (13) is fixedly installed on the front side outer surface of the upper die (4).

Images