CN2447165Y - Rolling conveyer for plastic extruder - Google Patents

Abstract

The utility model relates to a rolling conveyer for plastic extruders, which comprises a wheel table set for rolling and conveying plastic boards extruded by the plastic extruder, wherein, the wheel table set comprises a first and a second rolling and conveying wheels for rolling and conveying the plastic boards to convey discharged material, and the wheel table set also comprises a guide pulley which is positioned in an area outside the wheel arc tangent of a discharge port of the two rolling and conveying wheels; the wheel arc tangent is perpendicular to the material pressing tangent of the two rolling and conveying wheels. Thereby, the utility model has the advantage of smooth conveying without retardarce and can roll and convey thinner material.

Description

The force feed device of plastic cement extruder

The utility model relates to a kind of plastic cement extruder, particularly relates to the force feed device of plastic cement extruder.

As shown in Figure 1, 2, the force feed device that in the past had the plastic cement extruder of vertical type Luntai group, mainly be to extrude a plastic plate 2 by a plastic cement extruder 1, this plastic plate 2 roll extrusion band of first, second compressing wheel 3,4 of process vertical type Luntai group earlier send, again through second compressing wheel 4 roll around, and after the roll extrusion band of second, third compressing wheel 4,5 give, again along the 3rd compressing wheel 5 roll around, can transmit discharging.So, the force feed structure of vertical type plastic cement extruder in the past, can finish the purpose that roll extrusion transmits though pass through the compressing wheel of multiple tracks, but, this plastic plate 2 is to be in the condition of high temperature (about 220 ℃) during by 1 discharging of plastic cement extruder, and delivering to first, second compressing wheel 3, during 4, its temperature will rapid drawdown, so that arrive first, second compressing wheel 3, in the time of on 4, temperature is about 50 ℃ with rapid drawdown, therefore, when temperature decrease, promptly because of temperature decrease shrinkage moulding, and before plastic plate 2, the terminal material extrusion phenomenon that produces, making whole plastic plate 2 leading edges produce raised line 201 (is the en plaque of proper width during because of plastic plate 2 dischargings, so be the raised line 201 of suitable length, figure does not show), and producing raised line 201 backs (state that this all can produce in for general the making), this raised line 201 just can't be smooth second compressing wheel 4 wheel arc 401 and transmit smoothly.So, be subject to the retardance of raised line 201, plastic plate 2 and 4 of second compressing wheel are strutted be formed with a gap 7, and then have influence on the pressure F of first, second compressing wheel 3,4 crampings ↓, F ↑, thereby cause the force feed guide to be obstructed, and make plastic plate 2 can't be subjected to the stretching of normal pressure, and cause the thickness of plastic plate 2 can't be thinner (practice can only by stretching at 0.4～0.5mm) in the past by stretching.

Shown in Fig. 3,4, plastic cement extruder device in the past with horizontal Luntai group, it mainly is to extrude a plastic plate 2 ' by a plastic cement extruder 1 ', this plastic plate 2 ' send through first, second compressing wheel 3 ' of horizontal Luntai group, 4 ' roll extrusion band earlier, again through second compressing wheel 4 ' roll around, and after second, third compressing wheel 4 ', 5 ' roll extrusion band give, again along the transmission of the towing tangent line 6 ' of the 3rd compressing wheel 5 ' roll around, and can transmit discharging.So, the force feed device of horizontal in the past plastic cement extruder, though finish the purpose that roll extrusion transmits through the compressing wheel of multiple tracks, but, is to be in the condition of high temperature (about 220 ℃) because of this plastic plate 2 ' during by the 1 ' discharging of plastic cement extruder, and delivering to first, second compressing wheel 3 ', during 4 ', its temperature will rapid drawdown, so that arrive first, second compressing wheel 3 ', in the time of on 4 ', temperature will be reduced to 50 ℃ suddenly approximately, therefore, when temperature decrease, i.e. shrinkage moulding because of temperature decrease, and before plastic plate 2 ', the terminal extruding phenomenon that produces, making whole plastic plate 2 ' leading edge produce raised line 201 ' (is the en plaque of proper width during because of plastic plate 2 ' discharging, so be the raised line 201 ' of suitable length, figure does not show), and producing raised line 201 ' back (this state) for all producing in generally making, this raised line 201 ' then can't be smooth the wheel arc 401 ' of second compressing wheel 4 ' transmit smoothly, so, be subject to the retardance of raised line 201 ', make to strut between the plastic plate 2 and second compressing wheel 4 and be formed with a gap 7 ', and have influence on first, second compressing wheel 3 ', the pressure F of 4 ' cramping ↓, F ↑, cause the force feed guide to be obstructed, and plastic plate 2 ' is not subjected to the stretching of normal pressure, therefore can't the force feed stretching thin plastic plate 2 ' (this practice can only by stretching at 0.4～0.5mm) in the past.

But the purpose of this utility model is to provide a kind of and transmits smooth and easy the retardance and the force feed device of the plastic cement extruder of the thin material of force feed.

For achieving the above object, the utility model provides a kind of force feed device of plastic cement extruder, include the Luntai group that plastic plate roll extrusion that this plastic cement extruder is extruded transmits, this Luntai group comprises to be given this plastic plate roll extrusion band and transmits first, second compressing wheel of discharging, it is characterized in that:

This Luntai group also comprises a guide wheel, and this guide wheel is the wheel arc tangent line zone in addition that is positioned at this two compressing wheel discharging opening place, and the binder tangent line of this wheel arc tangent line and this two compressing wheel is perpendicular.

The force feed device of described plastic cement extruder is characterized in that: the wheel arc tangent line of this guide wheel guide and the binder tangent line of this two compressing wheel are positioned on the same extension line.

The force feed device of described plastic cement extruder is characterized in that: this guide wheel homonymy is provided with several and transmits guide wheel.

The force feed device of described plastic cement extruder is characterized in that: the wheel of this guide wheel directly is the wheel footpath less than compressing wheel.

After having adopted said structure, since the utility model be respectively in the outside of first compressing wheel and second compressing wheel (vertical type) or below (horizontal) be provided with guide wheel, so, after the plastic cement extruder extrudes plastic plate, this plastic plate is owing to be the wheel arc tangent line zone in addition that is sent to two compressing wheel from discharging opening, after discharging, plastic plate can directly not be looped around the force feed crop rotation and transmit, so, the raised line that material extrusion produces, then can not produce the gap along compressing wheel, the binder pressure of this two compressing wheel also can not be obstructed, so but force feed approaches the material of (being about 0.2mm) and do not make compressing wheel produce the retardance phenomenon.

Be elaborated below by Cui embodiment and accompanying drawing force feed device to plastic cement extruder of the present utility model.

Shown in Figure 1 is the transmission schematic diagram of vertical type plastic cement extruder in the past.

Shown in Figure 2 is the transmission schematic diagram of vertical type force feed device in the past.

Shown in Figure 3 is the transmission schematic diagram of horizontal in the past plastic cement extruder.

Shown in Figure 4 is the transmission schematic diagram of horizontal in the past force feed device.

The transmission schematic diagram that is the utility model first than Cui embodiment shown in Figure 5.

The transmission schematic diagram that is the utility model first than force feed device among the Cui embodiment shown in Figure 6.

The transmission schematic diagram that is the utility model second than Cui embodiment shown in Figure 7.

The transmission schematic diagram that is the utility model second than force feed device among the Cui embodiment shown in Figure 8.

The transmission schematic diagram that is the utility model the 3rd than force feed device among the Cui embodiment shown in Figure 9.

Shown in Fig. 5,6, the force feed device of the plastic cement extruder that the utility model is is to extrude a plastic plate 20 by a plastic cement extruder 10, and this plastic plate 20 forms through the roll extrusion transmission of a vertical type Luntai group 30 earlier, it is characterized in that:

This vertical type Luntai group 30 mainly is by first, second compressing wheel 31,32 splice mutually, one guide wheel 33 its to take turns the footpath be less than first, second compressing wheel 31,32 wheel footpath, and this guide wheel 33 is arranged on first, second compressing wheel 31, zone beyond the wheel arc tangent line 35 at 32 discharging openings, 34 places, and this wheel arc tangent line 35 is and first, second compressing wheel 31,32 binder tangent line 36 is perpendicular, the wheel arc tangent line 35 that makes guide wheel 33 with this first, second compressing wheel 31,32 binder tangent line 36 is perpendicular, and the wheel arc tangent line 331 of guide wheel 33 its guides is positioned on the same extension line with binder tangent line 36.

Above-mentioned is that the utility model first is constructed than Cui embodiment, the explanation of feature and position, as for using situation, continue to consult Fig. 5, shown in 6, when plastic cement extruder 10 extrudes plastic plate 20, as in the past, this plastic plate 20 also is in the condition of high temperature (about 220 ℃), send to first at it, second compressing wheel 31, in the time of on 32, temperature is about 50 ℃ with rapid drawdown, so, shrinkage moulding effect and first, second compressing wheel 31,32 pressure clamp is depressed, before also can making plastic plate 20, end is squeezed buildup and produces raised line 21, at this moment, because of the utility model is first, second compressing wheel 31, zone beyond the wheel arc tangent line 35 at 32 its discharging opening 34 places is provided with guide wheel 33, so, from first, second compressing wheel 31, after 32 binder tangent line 36 dischargings, this plastic plate 20 promptly has been subjected to first, second compressing wheel 31,32 normal pressure F ' ↓, F ' ↑ institute's cramping stretching, plastic plate 20 not only be need not through outside the crooked transmission curvature that turns around, this plastic plate 20 also can directly extend horizontally on the guide wheel 33 along extension line, so, 20 of this plastic plates need not along the diametric plane of second compressing wheel 32 do curved significantly around, be not subjected to the retardance of raised line 21, at last, band through guide wheel 33 send again, can deliver to the Luntai 40 of extending, be made for other processing actions.

The Luntai group 30 of the above-mentioned vertical type than Cui embodiment of the utility model, cooperation by guide wheel 33 positions transmits, can exempt the retardance of raised line 21, and have concurrently and improve the guide smooth degree, and can be with the function of plastic plate 20 stretching to thinner (but about stretching is to 0.2mm), so, then make guide effect Cui and do not block.

Consult shown in Fig. 7,8, the utility model second is than the force feed device of the plastic cement extruder of Cui embodiment, and it is to extrude a plastic plate 60 by a plastic cement extruder 50, and this plastic plate 60 forms through the roll extrusion transmission of a horizontal Luntai group 70 earlier, it is characterized in that:

This horizontal Luntai group 70 is by first, second compressing wheel 71, keep flat about 72,73 on one guide wheel is arranged on first, second compressing wheel 71, zone beyond the wheel arc tangent line 75 at 72 discharging openings, 74 places, and this wheel arc tangent line 75 is and first, second compressing wheel 71,72 binder tangent line 76 is perpendicular, the wheel arc tangent line 75 that makes guide wheel 73 with this first, second compressing wheel 71,72 binder tangent line 76 is perpendicular, and the wheel arc tangent line 731 of guide wheel 73 its guides is positioned on the same extension line with binder tangent line 76, in addition, then each is provided with two transmission guide wheels 77 more in regular turn at the suitable spacing of guide wheel 73 1 sides place, 78.

As for the use situation of the utility model second than Cui embodiment, consult Fig. 7, shown in 8, when plastic cement extruder 50 extrudes plastic plate 60, as in the past, this plastic plate 50 also is in the condition of high temperature (about 220 ℃), and send to first, second compressing wheel 71, in the time of on 72, its temperature is about 50 ℃ with rapid drawdown, so, shrinkage moulding effect and first, second compressing wheel 71,72 pressure clamp is depressed, before also can making plastic plate 60, end is squeezed buildup and produces raised line 61, at this moment, because of the utility model is first, second compressing wheel 71, zone beyond the wheel arc tangent line 75 at 72 discharging openings, 74 places is provided with guide wheel 73, so, from first, second compressing wheel 71, after 72 binder tangent line 76 dischargings, this plastic plate 60 promptly has been subjected to first, second compressing wheel 71,72 normal pressure F ' ↓, F ' ↑ institute's cramping stretching, plastic plate 60 not only be need not through outside the crooked transmission curvature that turns around, this plastic plate 60 also can directly extend perpendicularly on the guide wheel 73, so, then be not subjected to the puzzlement of raised line 21 retardances, and it is last, pass through guide wheel 73 again, transmission guide wheel 77,78 band send, can deliver to the Luntai 80 of extending, be made for other processing actions, as for the attainable effect of present embodiment is same as the previously described embodiments, in this then no longer stating more.

In the utility model the foregoing description, though this wheel arc tangent line 35,75 and binder tangent line the 36, the 76th are and intersect vertically, but, as long as this binder tangent line 36,76 and wheel arc tangent line 35,75 can occur simultaneously mutually, in the raised line 21 force feeds way of plastic plate 20,60, the puzzlement that can not blocked, and still can the thin material of force feed.

Consult Fig. 9, the utility model the 3rd is than the force feed device of the plastic cement extruder of Cui embodiment, its plastic cement extruder 10 extrudes a plastic plate 20, and this plastic plate 20 is through first of a horizontal Luntai group 30, second compressing wheel 31,32 force feed structure is all identical than Cui embodiment with first, its difference is: this guide wheel 33 ' is arranged on first, second compressing wheel 31, the wheel arc tangent line 35 ' zone in addition at 32 discharging openings, 34 places, and the position of this guide wheel 33 ' is the position a little less than second compressing wheel 32, make wheel arc tangent line 331 ' not with first, second compressing wheel 31,32 binder tangent line 36 ' is positioned on the same extension line, and this first, second compressing wheel 31,32 wheel arc tangent line 35 ' still can be perpendicular with binder tangent line 36 ', force feed action situation and attainable function as for present embodiment are all same as the previously described embodiments, so in this no longer stating more.

Claims (4)

1. the force feed device of a plastic cement extruder includes the Luntai group that plastic plate roll extrusion that this plastic cement extruder is extruded transmits, and this Luntai group comprises to be given this plastic plate roll extrusion band and transmit first, second compressing wheel of discharging, it is characterized in that:

This Luntai group also comprises a guide wheel, and this guide wheel is the wheel arc tangent line zone in addition that is positioned at this two compressing wheel discharging opening place, and the binder tangent line of this wheel arc tangent line and this two compressing wheel is perpendicular.

2. the force feed device of plastic cement extruder according to claim 1 is characterized in that: the wheel arc tangent line of this guide wheel guide and the binder tangent line of this two compressing wheel are positioned on the same extension line.

3. the force feed device of plastic cement extruder according to claim 1 is characterized in that: this guide wheel homonymy is provided with several and transmits guide wheel.

4. the force feed device of plastic cement extruder according to claim 1 is characterized in that: the wheel of this guide wheel directly is the wheel footpath less than compressing wheel.

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