CN202507426U

CN202507426U - Crushing cutter set for crushing and plastifying machine

Info

Publication number: CN202507426U
Application number: CN2012201855130U
Authority: CN
Inventors: 陈颂华
Original assignee: Changzhou Chengli Machinery & Electronic Co Ltd
Current assignee: Changzhou Chengli Machinery & Electronic Co Ltd
Priority date: 2012-04-26
Filing date: 2012-04-26
Publication date: 2012-10-31
Anticipated expiration: 2022-04-26

Abstract

The utility model relates to a crushing cutter set for a crushing and plastifying machine, comprising a plurality of sheets of movable cutters which are fixedly distributed on a main rotating shaft, wherein the movable cutters are sequentially distributed in the same direction in a manner of being staggered for 1-10 degrees, so that the whole cutters are not on the same straight line and the condition of cutting foaming plastic by all the cutters at the same tine is avoided; even in a working process, only one part of the cutters can be used for cutting the foaming plastic so that the load of a crushing motor for driving a main rotary shaft is relieved and the load of the crushing motor is equalized; and therefore, the condition that the instant load of the crushing motor is too great is avoided and the use safety of the crushing motor is guaranteed. In order to conveniently produce, install and detach, a plurality of sheets of the movable cutters are fixedly arranged on a sleeve and the sleeve is in key matched connection with the main rotary shaft; and two ends of the sleeve are provided with fixing sleeves which are in the key matched connection with the main rotary shaft. With the adoption of the movable cutters which are distributed in a non-straight-line manner, the problems of the prior art that the instant load of the crushing motor is too great, materials are difficult to crush and the like when some foaming plastic which has greater thickness and size is cut are solved.

Description

Pulverize the plasticizing machine with pulverizing the cutter group

Technical field

The utility model relates to a kind of pulverizing plasticizing machine with pulverizing the cutter group, is used to pulverize foamed plastic.

Background technology

Expandable polystyrene (EPS), expandable polypropylene (EPP), expandability polyethylene from high pressure process foamed plastics such as (EPE) have good heat insulation, sound insulation, performance such as shockproof, and its application is increasingly extensive.The recycling of discarded foamed plastic not only can be protected environment, energy savings, and have good economic benefits.One of discarded at present foamed plastic processing method is through broken, hot melt regeneration and granulation, becomes another kind of material particle, adds different auxiliary agents again, makes another kind of material through processed.Because foamed plastic bulky, it is higher in the recycling process waste foamed plastics to be transported to the cost of transportation of processing stand.Though can waste foamed plastics be transported after crushed, because be the foaming thing, so volume is bigger.

Pulverize the plasticizing machine, be used for the discarded foamed plastic of melt processed, significantly to dwindle its volume and convenient transportation, to recycle.Existing fusing machine comprises: frame, engine housing and motor, and the top of engine housing is provided with charging aperture, is provided with reducing mechanism, reducing mechanism below in the engine housing and is provided with aggregate bin, and the aggregate bin below is provided with melting appartus; Said melting appartus comprises barrel, and the import of barrel is arranged on the end face rear portion of barrel, the import of the relative barrel of outlet of aggregate bin, and hoop is provided with heating collar on the extension outer wall of barrel, and the extension end face of barrel is provided with the discharging mouth, is provided with screw rod in the barrel.

Blade in the existing reducing mechanism is arranged in a linear, and when running into the bigger foamed plastic of indivedual thickness and volume, the moment load of pulverizing motor that drives main shaft is excessive, has the particle situation of difficult.How to address the above problem, be the technical barrier of this area.

The utility model content

The technical problem that the utility model at first will solve is suitable for making the load of motor to keep less pulverizing plasticizing machine with pulverizing the cutter group when providing a kind of simple in structure, particle.

For solving above-mentioned primary technical problem, the pulverizing plasticizing machine that the utility model provides comprises with pulverizing the cutter group: the multi-disc moving knife of stationary distribution on main shaft; Each moving knife 1-10 ° of distribution of staggering successively on same direction, thus make a blade not on same straight line, the situation of having avoided each blade to cut foamed plastic simultaneously; Promptly when work; Only some blade drives the load of the pulverizing motor of main shaft at the cutting foamed plastic thereby alleviated, and makes the load homogenising of pulverizing motor; Avoided pulverizing the excessive situation of moment load of motor, ensured and pulverized the safe in utilization of motor.

As further preferred scheme, be convenient production, installation and removal, the multi-disc moving knife is fixed on the sleeve, and this sleeve key is engaged on the said main shaft, and the two ends of this sleeve are provided with key and are engaged in the fixed cover on the said main shaft.

The technique effect that the utlity model has: the pulverizing plasticizing machine of the utility model is with pulverizing the moving knife of cutter group through adopting non-rectilinear to distribute; Solved that prior art exists when running into the bigger foamed plastic of indivedual thickness and volume, the moment of pulverizing motor the problems such as excessive, particle difficulty of loading.

Description of drawings

For the content that makes the utility model is more clearly understood, below basis specific embodiment and combine accompanying drawing, the utility model is done further detailed explanation, wherein

Fig. 1 is the structural representation that the pulverizing of the pulverizing cutter group of application the utility model plastifies machine;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is the left view of Fig. 1;

Fig. 4 is the structural representation of the reducing mechanism in the pulverizing plasticizing machine of the utility model;

Fig. 5 is the right view of Fig. 4;

Fig. 6 is that the internal diameter in the pulverizing plasticizing machine of the utility model becomes big gradually and has the structural representation of the varying pitch screw of hollow part;

Fig. 7 is the structural representation of the constant varying pitch screw of the internal diameter in the pulverizing plasticizing machine of the utility model;

Fig. 8 is the structural representation of the continuous heat pipe of the utility model;

Fig. 9 is the end face structure sketch map of said continuous heat pipe;

Figure 10 is the structural representation that the internal diameter in the pulverizing plasticizing machine of the utility model becomes big constant lead screw gradually.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is elaborated:

Embodiment 1

Like Fig. 4 to 5, this pulverizing plasticizing machine of present embodiment comprises with reducing mechanism: the multi-disc moving knife 5 of stationary distribution on main shaft 4, be located at the quiet cutter 13 that is interspersed one by one with each moving knife 5 in the engine housing 7; Like Fig. 5, each moving knife 5 1-10 ° of distribution of staggering successively on same direction, thus make a blade not on same straight line; The situation of having avoided each blade to cut foamed plastic simultaneously, promptly when work, only some blade is at the cutting foamed plastic; Thereby alleviated the load that drives the pulverizing motor 6 of main shaft 4; And make the load homogenising of pulverizing motor 6, and avoided pulverizing the excessive situation of moment load of motor 6, ensured the safe in utilization and service life of pulverizing motor 6.

Be convenient production, installation and removal, as further preferred scheme, described multi-disc moving knife 5 is fixed on the sleeve, and this sleeve key is engaged on the said main shaft 4, and the two ends of this sleeve are provided with key and are engaged in the fixed cover 41 on the said main shaft 4.

As the embodiment of optimizing,, an axis of centres bearing can be set in the central authorities of main shaft 4 if said main shaft 4 length are longer.

Embodiment 2

Like Fig. 1 to 3; Pulverizing plasticizing machine in the foregoing description 1 comprises: frame 10, engine housing 7, be located at the reducing mechanism in the engine housing 7, the melting appartus of being located at the reducing mechanism below, the top of engine housing 7 and be provided with charging aperture; Melting appartus comprises barrel; Barrel charging aperture 11 be located at reducing mechanism under, on the extension outer wall of barrel discharging opening 12 hoop be provided with heating collar, be provided with screw rod 2 in the barrel 1; The screw drive motor is in transmission connection with screw rod 2 through a gearbox 9, pulverizes motor 6 and is in transmission connection through the main shaft 4 in a belt pulley 8 and the said reducing mechanism.

Like Fig. 7, screw rod 2 is a varying pitch screw, and the pitch of screw rod 2 is little by reaching greatly on contiguous barrel charging aperture 11 to the direction of barrel discharging opening 12.As preferred scheme, the pitch of the contiguous barrel charging aperture 11 of screw rod 2 can be confirmed with reference to the maximum length value that is suitable for through the foaming plastic block of said reducing mechanism.

As further preferred scheme, like Fig. 6, on the direction of barrel charging aperture 11 to barrel discharging opening 12, the internal diameter of said screw rod 2 becomes greatly gradually, and external diameter is constant.During use; Because the internal diameter of barrel 1 is constant; And the internal diameter of screw rod 2 becomes greatly gradually, makes that the material on the screw rod 2 at contiguous barrel charging aperture 11 places in the barrel 1 is less, and the heater that is wrapped in barrel 1 outer wall at this moment melts foamed plastic easily fast; And melt more thorough, thereby further dwindle the volume of foamed plastic.

The contiguous barrel discharging opening place of said screw rod 2 is hollow, alleviating the weight of screw rod 2, and then alleviates the load of screw drive motor; On the other hand, can when bringing into use, the temperature of the hollow part 21 of screw rod 2 be raise fast.

Be provided with heater in the hollow part 21 of said screw rod 2, be used for further heating, make further quick, the thoroughly fusing of foamed plastic, thereby further dwindle the volume of foamed plastic.The preferred electric heater unit of heater, during screw rod 2 rotations, this electric heater unit selects for use the brush mode to link to each other with power supply.Also can adopt the heated oils pipeline of active joint formula, carry out the spacer heating.

The outboard end of said barrel discharging opening is connected with continuous heat pipe 3; Like Fig. 8; Should wrap up in the hollow pipe that is provided with heater for outer wall by continuous heat pipe 3; Be somebody's turn to do on the axis in the continuous heat pipe 3 and be fixed with solid tube core 31, tube core 31 is fixed in the continuous heat pipe 3 through a plurality of contiguous blocks 32, and the external diameter of this tube core 31 is less than the internal diameter of continuous heat pipe 3.During discharging, the outer wall from the liquation of barrel discharging opening 12 output along tube core 31 flows and accepts the heater Fast Heating, finally sees off, thereby further eliminates the solid particle of the foamed plastic that wherein exists, and further dwindle the volume of foamed plastic.Employing has the continuous heat pipe 3 of tube core 31, with respect to pure hollow pipe, and the central part deficiency of being heated in the continuous heat pipe 3 of the utility model is suitable for avoiding managing.

As the embodiment of optimizing, the pulverizing plasticizing machine of present embodiment has been cancelled aggregate bin of the prior art, that is: with barrel charging aperture 11 directly be located at reducing mechanism under adjacent, and the little matched in clearance of external diameter of the outer end of each moving knife 5 and screw rod 2.This is not only less machine volume has been avoided the buildup that aggregate bin possibly bring, the defective of putty simultaneously, has improved operating efficiency.

As another kind of scheme, as shown in Figure 7 as the modification of the said screw rod 2 among Fig. 6, screw rod 2 can adopt uniform pitch.

The utility model has solved the blanking difficulty that prior art exists through the screw rod that adopts varying pitch, and then can only shut down problem such as the pedestrian worker's cleaning of going forward side by side.The utility model becomes big screw rod gradually through adopting internal diameter, has solved problems such as foamed plastic that prior art exists melt in barrel slowly or can not thoroughly melt.The utility model has the screw rod and/or the continuous heat pipe of hollow part through employing, has further solved problem such as can not thoroughly melt.

Obviously, the foregoing description only be for explain clearly that the utility model does for example, and be not to be qualification to the embodiment of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation that these spirit that belong to the utility model are extended out or change still are among the protection domain of the utility model.

Claims

1. pulverize the plasticizing machine with pulverizing the cutter group for one kind, it is characterized in that comprising: the multi-disc moving knife (5) of stationary distribution on the main shaft (4) of pulverizing the plasticizing machine; Each moving knife (5) 1-10 ° of distribution of staggering successively on same direction.

2. pulverizing plasticizing machine according to claim 1 is with pulverizing the cutter group; It is characterized in that: multi-disc moving knife (5) is fixed on the sleeve; This sleeve key is engaged on the said main shaft (4), and the two ends of this sleeve are provided with key and are engaged in the fixed cover (41) on the said main shaft (4).