Preparation equipment of polyolefin foaming material

Abstract

The utility model relates to the technical field of preparation of foaming materials, in particular to preparation equipment of a polyolefin foaming material. According to the technical scheme, the device comprises a mixing box, the interior of the mixing box is divided into a mixing cavity and a discharging cavity through a pair of telescopic partition plates, a feeding pipe is fixed to the upper end of the mixing box, a discharging pipe is fixed to the side wall of the bottom of the mixing box, and a driving rotating shaft is rotationally connected into the mixing box; a stirring motor for driving the driving rotating shaft to rotate is fixed to the upper end of the mixing box, a stirring rod is fixed to the driving rotating shaft and located in the mixing cavity, a waist plate is fixed to the position, corresponding to the telescopic partition plate, of the outer side of the mixing box, and a driving assembly for driving the telescopic partition plate to slide is arranged in the waist plate. The inside of the mixing box can be divided into the mixing cavity and the discharging cavity by closing the telescopic partition plate, mixing and discharging of different batches are guaranteed not to interfere with each other, discharging can be performed at the maximum speed by opening the telescopic partition plate, and working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the preparation technical field of foamed material, concretely to a preparation equipment of polyolefin foamed material. BACKGROUND

[0002] Polyolefin foamed material mainly includes polyethylene (PE) foamed material and polypropylene (PP) foamed material, and is widely used in multiple fields due to its excellent heat insulation performance, light weight, sound absorption, corrosion resistance and shock resistance. The main application fields of these materials include automobile manufacturing, construction engineering, electronics and electrical appliances, medical treatment and household appliances.

[0003] In the production and preparation process of polyolefin foamed material, mainly including two steps of mixing and granulation, polyolefin resin and foaming agent, crosslinking agent, antioxidant, nucleating agent and other additives are mixed uniformly according to a certain proportion, and then injected into a granulator for granulation process. In order to continuous operation, the discharge pipe of the common mixing equipment is connected with the feeding of the granulator. In this case, the last batch of mixed raw materials cannot be mixed in the next batch when discharging, and it is difficult to achieve good continuous operation. And the common pipeline discharging speed is slow, which also increases the waiting time, further reduces the work efficiency. UTILITARIAN CONTENT

[0004] The utility model aims at providing a preparation equipment of polyolefin foamed material to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: including mixing box, the mixing box is separated into mixing cavity and discharge cavity through a pair of telescopic partition plates, the mixing box upper end is fixed with feeding pipe, the mixing box bottom side wall is fixed with discharge pipe, the mixing box is rotatably connected with drive shaft, the mixing box upper end is fixed with stirring motor that drives rotation of drive shaft, the drive shaft is fixed with stirring rod in mixing cavity, the mixing box outside and corresponding position of telescopic partition plate are fixed with waist plate, the waist plate is provided with drive assembly that drives telescopic partition plate sliding.

[0006] Preferably, the drive assembly includes a receiving groove and a synchronous motor, the receiving groove is opened in the waist plate, the telescopic partition plate is slidably connected at the opposite end in the receiving groove, a threaded rod is rotatably connected in the receiving groove, the threaded rod is threadedly connected at one end inside the telescopic partition plate, the synchronous motor is fixed at both ends of the waist plate, and the output end of the synchronous motor is fixed on the corresponding threaded rod.

[0007] Preferably, a limiting rod is fixed in the receiving groove, the end of the limiting rod is slidably connected in the telescopic partition plate, and a sealing gasket is fixed at the opening position of the receiving groove.

[0008] Preferably, the driving shaft is provided with a sealing bearing at a position corresponding to the telescopic partition, the telescopic partition is provided with a central hole at a position close to the middle of one side, and the central hole is adapted to the outer ring of the sealing bearing.

[0009] Preferably, the telescopic partition is provided with an inclined groove at a position close to the outer periphery of the central hole.

[0010] Preferably, the mixing box is fixed with a support frame, the support frame is fixed at the bottom of the waist plate, the mixing box is fixed with a booster pump, and the side wall of the discharging cavity is provided with an air hole at a position corresponding to the booster pump.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the closure of the telescopic partition can divide the mixing box into a mixing cavity and a discharging cavity, ensures that different batches of mixing and discharging do not interfere with each other, and opening the telescopic partition can discharge at the maximum speed, improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a front sectional structure schematic view of the polyolefin foaming material preparation equipment.

[0013] Fig. 2 It is a front sectional structure schematic view of the polyolefin foaming material preparation equipment.

[0014] Fig. 3 It is a telescopic partition appearance structure schematic view of the polyolefin foaming material preparation equipment.

[0015] In the figure: 1, mixing box; 11, mixing cavity; 12, discharging cavity; 13, discharging pipe; 14, feeding pipe; 2, telescopic partition; 21, central hole; 22, inclined groove; 3, driving shaft; 31, stirring rod; 32, stirring motor; 33, sealing bearing; 4, waist plate; 41, storage groove; 42, sealing pad; 43, threaded rod; 44, synchronous motor; 45, limiting rod; 5, support frame; 6, booster pump; 61, air hole. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figs. 1-3The utility model provides a technical scheme: including mixing box 1, is separated into mixing chamber 11 and discharge chamber 12 through a pair of telescopic partition 2 in mixing box 1, the upper end fixed of mixing box 1 has feed pipe 14, the bottom side wall fixed of mixing box 1 has discharge pipe 13, rotationally connected with drive shaft 3 in mixing box 1, the upper end fixed of mixing box 1 has the stirring motor 32 of drive drive shaft 3 rotation, the fixed stirring rod 31 of drive shaft 3 and located in mixing chamber 11, the outside of mixing box 1 and with the fixed waist board 4 of corresponding position of telescopic partition 2, be provided with the drive assembly of drive telescopic partition 2 sliding in waist board 4, drive shaft 3 and with the sealed bearing 33 of corresponding position installation of telescopic partition 2, the middle position of one side of approaching telescopic partition 2 is equipped with central hole 21, the size of central hole 21 is adapted to the outer ring of sealed bearing 33, the upper end of telescopic partition 2 and located the inclined slot 22 of peripheral of central hole 21 is equipped, and the inclined slot 22 box is inclined to the side of approaching central hole 21.

[0018] Drive assembly includes receiving groove 41 and synchronous motor 44, and receiving groove 41 is equipped in waist board 4, and the end of moving away from telescopic partition 2 is slidably connected in receiving groove 41, and rotationally connected with threaded rod 43 in receiving groove 41, and the one end of inner side of threaded rod 43 is threadedly connected in telescopic partition 2, and synchronous motor 44 is fixed in the both ends of waist board 4, and the output end of synchronous motor 44 is fixed on the corresponding threaded rod 43, and fixed in receiving groove 41 is limit rod 45, and the end of limit rod 45 is slidably connected in telescopic partition 2, and fixed with sealing pad 42 in the opening position of receiving groove 41.

[0019] The outside of mixing box 1 is fixed with support frame 5, and the bottom of waist board 4 is fixed on the upper end of support frame 5, and mixing box 1 is fixed with booster pump 6, and the side wall of discharge chamber 12 and with the air hole 61 of corresponding position of booster pump 6 are equipped.

[0020] Working principle: first, the whole device is connected to external power supply, then the raw material is put into mixing box 1 through feed pipe 14 according to certain proportion, at this time, the telescopic partition 2 can be closed, the drive of stirring motor 32 can drive drive shaft 3 to rotate, in turn drive stirring rod 31 to rotate, realize the purpose of stirring, after stirring, the raw material in mixing chamber 11 can be quickly discharged into discharge chamber 12 by opening telescopic partition 2, then the telescopic partition 2 is closed again, at this time, the raw material in discharge chamber 12 can be discharged, and the next batch of raw material mixing operation in mixing chamber 11 can be carried out, realize the purpose of continuous operation, improve the work efficiency, and after closing telescopic partition 2, the air pressure in discharge chamber 12 can be increased by booster pump 6, so that the discharge can be carried out more quickly, when driving telescopic partition 2, the output end of synchronous motor 44 can be used to drive threaded rod 43 to rotate, in turn drive telescopic partition 2 to stretch and retract, when telescopic partition 2 moves to the side of approaching synchronously, the closing of telescopic partition 2 is realized, on the contrary, the opening of telescopic partition 2 is realized.

[0021] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0022] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An apparatus for producing a polyolefin foam, comprising a mixing tank (1), characterized in that: The mixing box (1) is divided into mixing chamber (11) and discharge chamber (12) by a pair of telescopic partition (2), the mixing box (1) upper end is fixed with feed pipe (14), the mixing box (1) bottom side wall is fixed with discharge pipe (13), the mixing box (1) is rotatably connected with drive shaft (3), the mixing box (1) upper end is fixed with stirring motor (32) that drives drive shaft (3) rotation, drive shaft (3) on and located in mixing chamber (11) is fixed with stirring rod (31), the mixing box (1) outside and with the corresponding position of telescopic partition (2) fixed with waist plate (4), the waist plate (4) is provided with drive assembly that drives telescopic partition (2) sliding.

2. The apparatus for producing a polyolefin foam according to claim 1, wherein: The drive assembly includes receiving groove (41) and synchronous motor (44), the receiving groove (41) is opened in the waist plate (4), the telescopic partition (2) is slidably connected in the receiving groove (41) at a far end, the receiving groove (41) is rotatably connected with screw rod (43) inside, the screw rod (43) is threadedly connected in the telescopic partition (2) at an end inside, the synchronous motor (44) is fixed at both ends of the waist plate (4), and the output end of the synchronous motor (44) is fixed on the corresponding screw rod (43).

3. The apparatus for producing a polyolefin foam according to claim 2, wherein: The receiving groove (41) is fixed with a limit rod (45), the limit rod (45) is slidably connected in the telescopic partition (2), and the receiving groove (41) is fixed with a sealing gasket (42) at the opening position.

4. The apparatus for producing a polyolefin foam according to claim 1, wherein: The drive shaft (3) is provided with a sealing bearing (33) at a position corresponding to the telescopic partition (2), and the telescopic partition (2) is provided with a central hole (21) at a middle position on the side close to the sealing bearing (33).

5. The apparatus for producing a polyolefin foam according to claim 4, wherein: The telescopic partition (2) is provided with an inclined chute (22) at a position corresponding to the sealing bearing (33) on the side close to the central hole (21).

6. The polyolefin foaming material preparation device according to claim 1, wherein: The mixing box (1) is provided with a support frame (5) on the outside, the support frame (5) is fixed at the bottom of the waist plate (4), the mixing box (1) is provided with a booster pump (6), and the discharge chamber (12) is provided with an air hole (61) on the side wall and at a position corresponding to the booster pump (6).

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