CN211542096U

CN211542096U - Extruding machine on extrusion calendering production line

Info

Publication number: CN211542096U
Application number: CN201922138431.5U
Authority: CN
Inventors: 李尚明; 康钦风
Original assignee: Hunan Minghong Sports Industry Co ltd
Current assignee: Hunan Minghong Sports Industry Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-09-22
Anticipated expiration: 2029-12-03

Abstract

The utility model provides an extruder on an extrusion calendering production line, wherein the lower end of a frame is provided with a fixed support with a fixed position, two ends of a central rotating shaft of a fixed calendering roller are supported by the fixed support and are transversely arranged, and a first motor for driving the fixed calendering roller to clockwise rotate is arranged outside the fixed support; the upper end of the frame is provided with a vertical guide groove, a movable support is arranged in the vertical guide groove in a sliding manner, two ends of a central rotating shaft of the movable calendering roller are supported by the movable support and are parallel to the central rotating shaft of the fixed calendering roller, a second motor for driving the movable calendering roller to rotate anticlockwise is arranged outside the movable support, and a movable cross beam is fixedly connected between the movable supports at two ends of the movable calendering roller; the fixed nut of the screw rod adjusting mechanism is arranged on the frame, the upper end of the screw rod is fixedly connected with the hand wheel, and the lower end of the screw rod is hinged with the middle of the movable cross beam. The plastic sheet is used for producing and processing plastic for the runway, and is convenient for rolling and producing plastic sheets with different thicknesses for the runway according to requirements.

Description

Extruding machine on extrusion calendering production line

Technical Field

The utility model relates to a plastic course is with production technical field of plastic piece, especially an extruder.

Background

The plastic track is widely applied to places such as stadiums, schools and the like, and has good elasticity, skid resistance and shock absorption compared with the traditional concrete track; the existing rubber track is mostly paved on site, the construction period is long, and the requirement on the site environment is high. Therefore, the preformed plastic track produced by adopting an extrusion and calendering production line in a workshop is gradually popularized, and the thickness of the plastic track required by various stadiums and schools is diversified in application. The existing extruding machine for the extrusion calendering production line mostly adopts a universal extruding machine for rubber products, the thickness of the extruded plastic sheet for the track is difficult to adjust, and the extruding machine is not suitable for the requirements of various thickness requirements of the plastic track on site.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an extrude extruder on the calendering production line to solve the track of extrusion production and adjust inconvenient not enough with plastic piece thickness.

In order to achieve the above purpose, the technical scheme of the utility model is that:

an extruder on an extrusion calendering production line comprises a frame, a fixed calendering roller, a movable calendering roller and a screw rod adjusting mechanism; the fixed calendering roll is characterized in that a protective cover is arranged outside the rack, the fixed calendering roll and the movable calendering roll are arranged in the protective cover, a feeding port is arranged in the middle of the protective cover, the protective cover is fixedly connected to the rack through a detachable bolt, a fixed support with a fixed position is arranged at the lower end of the rack, two ends of a central rotating shaft of the fixed calendering roll are supported through the fixed support and are transversely arranged, and a first motor for driving the fixed calendering roll to rotate clockwise is arranged outside the fixed support; the upper end of the rack is provided with a vertical guide groove, a movable support is arranged in the vertical guide groove in a sliding manner, the vertical guide groove is a dovetail groove, the movable support is in sliding fit with the dovetail groove, two ends of a central rotating shaft of the movable calendering roller are supported by the movable support and are parallel to the central rotating shaft of the fixed calendering roller, a second motor for driving the movable calendering roller to rotate anticlockwise is arranged outside the movable support, and a movable cross beam is fixedly connected between the movable supports at two ends of the movable calendering roller; the screw rod adjusting mechanism comprises a screw rod, a fixing nut and a hand wheel, the fixing nut is arranged on the rack, the screw rod is meshed with the fixing nut and is parallel to the vertical guide groove, the upper end of the screw rod is fixedly connected with the hand wheel, and the lower end of the screw rod is hinged with the middle of the movable cross beam.

Preferably, in order to improve the flexibility of the rotation of the screw rod, a bearing seat is arranged in the middle of the movable cross beam, and the lower end of the screw rod is hinged with the bearing seat;

preferably, the first motor and the second motor are step motors in order to ensure the consistency of the rotating speeds of the movable rolling roll and the fixed rolling roll, and planetary gear reducers are respectively arranged at the output ends of the first motor and the second motor in order to reduce the rotating speeds.

Preferably, a protective cover is arranged outside the machine frame, the fixed calendering rolls and the movable calendering rolls are arranged in the protective cover, and a feeding port is arranged in the middle of the protective cover.

Preferably, the shield is fastened to the frame by means of removable bolts.

The utility model has the advantages that: the fixed calender roll with fixed position is arranged in the frame, the movable calender roll with adjustable position is arranged, the movable support for supporting the movable calender roll is arranged in the vertical guide groove in a sliding way and is fixedly connected with the movable cross beam, the screw rod adjusting mechanism is arranged between the frame and the movable cross beam, the upper and lower position adjustment of the movable support can be realized by rotating the screw rod of the screw rod adjusting mechanism through the hand wheel, thereby adjusting the gap between the fixed calender roll and the movable calender roll, the thickness of the plastic sheet for the runway produced by the clearance calendering of the calender rolls is changed along with the change of the thickness of the plastic sheet, the adjustment is convenient and fast, moreover, the vertical guide groove is a dovetail groove, the movable support is in sliding fit with the dovetail groove, the movable calender roll can be ensured to be always parallel to the fixed calender roll in the position adjusting process, the problem that the gap between, the two motors are adopted to respectively drive the fixed calender roll and the movable calender roll, so that higher torque can be provided, and the device is suitable for adjusting the calender roll gap.

Drawings

Fig. 1 is a first view of the structure diagram of the present invention.

Fig. 2 is a second view of the structure diagram of the present invention.

Fig. 3 is a schematic view of the fig. 1 shield after installation.

In the figure, 1-a frame, 11-a vertical guide groove, 21-a fixed calender roll, 22-a fixed support, 23-a first motor, 31-a movable calender roll, 32-a movable support, 33-a second motor, 4-a movable cross beam, 41-a bearing seat, 51-a screw rod, 52-a fixed nut, 53-a hand wheel, 6-a shield, 61-a feeding port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1, fig. 2 and fig. 3, the extruder on the extrusion calendering production line provided by the present invention comprises a frame 1, a fixed calendering roller 21, a movable calendering roller 31 and a screw rod adjusting mechanism; the lower end of the frame 1 is provided with a fixed support 22 with a fixed position, two ends of a central rotating shaft of the fixed calendering roll 21 are supported by the fixed support 22 and are transversely arranged, and a first motor 23 for driving the fixed calendering roll 21 to rotate clockwise is arranged outside the fixed support 22; the upper end of the rack 1 is provided with a vertical guide groove 11, a movable support 32 is arranged in the vertical guide groove 11 in a sliding manner, the vertical guide groove 11 is a dovetail groove, and the movable support 32 is in sliding fit with the dovetail groove. Two ends of a central rotating shaft of the movable calendering roll 31 are supported by a movable support 32 and are parallel to the central rotating shaft of the fixed calendering roll 21, a second motor 33 for driving the movable calendering roll 31 to rotate anticlockwise is arranged outside the movable support 32, and a movable cross beam 4 is fixedly connected between the movable supports 32 at two ends of the movable calendering roll 31; the middle of the movable cross beam 4 is provided with a bearing seat 41, the lower end of the screw rod 51 is hinged with the bearing seat 41, the screw rod adjusting mechanism comprises a screw rod 51, a fixing nut 52 and a hand wheel 53, the fixing nut 52 is arranged on the frame 1, the screw rod 51 is meshed with the fixing nut 52 and is parallel to the vertical guide groove 11, the upper end of the screw rod 51 is fixedly connected with the hand wheel 53, the lower end of the screw rod 51 is hinged with the middle of the movable cross beam 4, a protective cover 6 is arranged outside the frame 1, the fixed calendering roller 21 and the movable calendering roller 31 are both arranged in the protective cover 6, and. In a specific embodiment, the first motor and the second motor are step motors, and planetary gear reducers are respectively arranged at output ends of the first motor 23 and the second motor 33 for reducing the rotation speed. The first motor 23 and the second motor 33 adopt ZXYT series rare earth permanent magnet synchronous motors produced by Jiangsu Zhongju motor company Limited, and the motor composition accords with the 1-level energy efficiency index of GB 30253-2013 'permanent magnet synchronous motor energy efficiency limit value and energy efficiency and the like', namely, the IE4 standard, and is used for driving the calender roll. The planetary gear reducer adopts a planetary gear reducer produced by Jiangsu Tylon reducer company Limited, and the technical data are as follows: input rotation speed: 1000-1500 r/min, output rotation speed: 17.74-21.91 r/min, transmission ratio: 49.55-83.6, the model specification can be selected according to the specific requirement, and other common motors and planetary gear reducers for industrial application or speed reduction motors can be adopted.

The utility model discloses a theory of operation: the fixed calender roll 21 is driven by the first motor 23 to rotate clockwise, the movable calender roll 31 is driven by the second motor 33 to rotate anticlockwise, and the plastic sheets for the runway are calendered through a gap between the fixed calender roll 21 and the movable calender roll 31.

When the required track plastic sheet is thinned, the screw rod 51 is rotated along the pointer through the hand wheel 53, so that the screw rod 51 drives the movable support 32 and the movable calendering roller 31 to move downwards, the gap between the movable calendering roller 31 and the fixed calendering roller 21 is reduced, and the purpose of thinning the track plastic sheet calendered through the gap between the fixed calendering roller 21 and the movable calendering roller 31 is achieved.

When the required track plastic sheet thickness becomes thicker, the hand wheel 53 rotates the screw rod 51 against the pointer, so that the screw rod 51 drives the movable support 32 and the movable calendering roller 31 to move upwards, the gap between the movable calendering roller 31 and the fixed calendering roller 21 becomes larger, and the purpose of thickening the track plastic sheet thickness by calendering through the gap between the fixed calendering roller 21 and the movable calendering roller 31 is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an extruder on extrusion calendering production line which characterized in that:

comprises a frame (1), a fixed calendering roller (21), a movable calendering roller (31) and a screw rod adjusting mechanism;

the lower end of the rack (1) is provided with a fixed support (22) with a fixed position, two ends of a central rotating shaft of the fixed calendering roll (21) are supported by the fixed support (22) and are transversely arranged, and a first motor (23) for driving the fixed calendering roll (21) to rotate clockwise is arranged outside the fixed support (22);

the upper end of the rack (1) is provided with a vertical guide groove (11), a movable support (32) is arranged in the vertical guide groove (11) in a sliding manner, the vertical guide groove (11) is a dovetail groove, the movable support (32) is in sliding fit with the dovetail groove, two ends of a central rotating shaft of the movable calendering roller (31) are supported by the movable support (32) and are parallel to the central rotating shaft of the fixed calendering roller (21), a second motor (33) for driving the movable calendering roller (31) to rotate anticlockwise is arranged outside the movable support (32), and a movable cross beam (4) is fixedly connected between the movable supports (32) at two ends of the movable calendering roller (31);

the screw rod adjusting mechanism comprises a screw rod (51), a fixing nut (52) and a hand wheel (53), the fixing nut (52) is arranged on the rack (1), the screw rod (51) is meshed with the fixing nut (52) and is parallel to the vertical guide groove (11), the upper end of the screw rod (51) is fixedly connected with the hand wheel (53), and the lower end of the screw rod is hinged to the middle of the movable cross beam (4).

2. The extruder of claim 1, wherein: the middle of the movable cross beam (4) is provided with a bearing seat (41), and the lower end of the screw rod (51) is hinged with the bearing seat (41).

3. The extruder of claim 1, wherein: the first motor (23) and the second motor (33) are stepping motors.

4. The extruder of claim 1, wherein: and the output ends of the first motor (23) and the second motor (33) are respectively provided with a planetary gear reducer.

5. The extruder of claim 1, wherein: a protective cover (6) is arranged outside the machine frame (1), the fixed calendering rolls (21) and the movable calendering rolls (31) are arranged in the protective cover (6), and a feeding port (61) is arranged in the middle of the protective cover (6).

6. The extruder on an extrusion calendering line according to claim 5, wherein: the protective cover (6) is fixedly connected to the frame (1) through a detachable bolt.