CN216032015U

CN216032015U - Energy-saving equipment for calender and plastic calendering system

Info

Publication number: CN216032015U
Application number: CN202121945474.5U
Authority: CN
Inventors: 黄春林
Original assignee: Xi'an Shuangjian Packaging Co ltd
Current assignee: Xi'an Shuangjian Packaging Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-15
Anticipated expiration: 2031-08-18

Abstract

The application relates to an economizer and plastics calendering molding system for calender belongs to the plastics processing equipment field, and an economizer for calender is including installing the chill roll in calender body discharge gate department, and the chill roll includes roller and lower roll, and the axis direction of roller and lower roll all is parallel with the length direction of discharge gate, and roller and lower roll all rotate with calender body and are connected. The application has the effect of making the plastic sheet processing process simple and efficient and saving energy.

Description

Energy-saving equipment for calender and plastic calendering system

Technical Field

The application relates to the field of plastic processing equipment, in particular to energy-saving equipment for a calender and a plastic calendering and molding system.

Background

In the preparation process of plastic cups such as yoghurt cups and the like, plastic raw materials are mixed according to a ratio and then fed into an extruder according to a set program, the mixture is mixed and plasticized in the extruder and then enters a calender, the calender presses the plastic extruded by the extruder into sheets, the temperature of the sheets reaches 200-300 ℃, then the sheets can be cooled to about 120 ℃ through a cooling system carried by the calender, the sheets enter a forming machine for blow molding to form qualified plastic cups, and the temperature of the sheets entering the forming machine needs to reach about 110 ℃, so that the sheets at the discharge outlet of the calender need to be cooled.

At present, the cooling mode of the sheet at the discharge outlet of the calender is as shown in fig. 1, the calender comprises a calender body 1, the feed inlet is opened on one side of the calender body 1, the discharge outlet 11 is opened on the other side, the discharge outlet 11 is provided with a winding mechanism 2, the winding mechanism 2 comprises a support 21, a winding roller 22 and a motor, the support 21 is located on one side of the discharge outlet 11 of the calender body 1, the winding roller 22 is rotatably connected with the support 21 through a bearing, the housing and the frame of the motor are connected through bolts, and the driving shaft of the motor is connected with the winding roller 22 through a coupling joint. When the plastic sheet forming machine is used, the plastic sheet 6 with the temperature of about 120 ℃ after the calender is processed is wound on the winding roller 22 for cooling, after the whole plastic sheet 6 coil on the winding roller 22 is cooled to the room temperature, the plastic sheet 6 is sent into the forming machine for forming, and in the process of sending the plastic sheet 6 into the forming machine, the plastic sheet 6 needs to be heated, so that the temperature of the plastic sheet 6 entering the forming machine is about 110 ℃.

In view of the above-mentioned related art, the inventor considers that the process of reheating the plastic sheet after cooling to room temperature is relatively energy-consuming and the process is relatively complicated.

SUMMERY OF THE UTILITY MODEL

In order to save energy and simultaneously simplify the operation, the application provides an energy-saving equipment and plastics calendering molding system for calender.

In a first aspect, the application provides an energy-saving device for a calender, which adopts the following technical scheme:

the utility model provides an energy-saving equipment for calender, is including installing the chill roll on the calender body, and the discharge gate has been seted up to the calender body, and the chill roll is located discharge gate department, and the chill roll includes last roller and lower roll, and the axis direction of going up roller and lower roll all is parallel with the length direction of discharge gate, goes up roller and lower roll all with calender body rotation connection.

Through adopting above-mentioned technical scheme, high temperature plastic sheet of calender body discharge gate department is around going up when roller and lower roll through, it can conduct the heat of plastic sheet to go up roller and lower roll, make and go up roller and lower roll cooling, plastic sheet after the cooling can directly be used for the blow molding process of make-up machine, because the setting of chill roll, plastic sheet is no longer through the process of reheating to the required temperature of make-up machine after cooling to the room temperature, help the energy saving, also because sheet rolling process has been saved and the process to the sheet heating once more, help making the convenient operation of operating personnel.

Optionally, the lower roller is located above the plastic sheet, and the upper roller is located below the plastic sheet.

Through adopting above-mentioned technical scheme, plastic sheet passes through roller and lower roll in proper order, at first multiplicable plastic sheet's transport route, and secondly, roller and lower roll cool off plastic sheet in proper order, compare in roller and lower roll and carry out the refrigerated mode to plastic sheet's the same regional different lateral walls simultaneously, have the effect that can improve cooling efficiency.

Optionally, the upper roller and the lower roller are both hollow rollers.

By adopting the technical scheme, the upper roller and the lower roller have good heat dissipation effects, and the upper roller and the lower roller are favorable for rapidly cooling the plastic sheets.

Optionally, the diameters of the upper roller and the lower roller are both 10-20 cm.

By adopting the technical scheme, when the diameters of the upper roller and the lower roller are both proper, the contact areas of the upper roller and the lower roller and the plastic sheet are proper, which is beneficial to cooling the plastic sheet to about 110 ℃.

Optionally, the diameters of the upper roller and the lower roller are both 14-16 cm.

By adopting the technical scheme, the diameter of the cooling roller is relatively small on the premise that the plastic sheet is cooled to about 110 ℃, and the space is saved.

Optionally, be equipped with the connecting piece between last roller and the calender body, the connecting piece includes coupling hook and connecting plate, and the coupling hook includes horizontal pole and vertical pole, the one end and the calender body outer wall fixed connection of horizontal pole, the other end and vertical pole fixed connection, the one end that the horizontal pole was kept away from to the vertical pole extends to the direction of keeping away from the lower roll, the connecting plate rotates with last roller to be connected, the connecting hole has been seted up to the diapire of connecting plate, the vertical pole is located the connecting hole.

Through adopting above-mentioned technical scheme, different shaping products need different plastic sheet, and when plastic sheet's thickness is different, the position of roller is gone up in the accessible adjustment, makes the distance between roller and the lower roll different, and then makes the route that plastic sheet passed through different, helps making the sheet homoenergetic of different thickness to be reduced suitable temperature, and then has improved the suitability of chill roll.

On the other hand, this application still provides a plastics calendering molding system, includes following technical scheme:

the utility model provides a plastics calendering molding system includes calender body, make-up machine body and above-mentioned energy-saving equipment for the calender, and energy-saving equipment for the calender is connected with calender body, and is located between the discharge gate of calender body and make-up machine body feed inlet.

By adopting the technical scheme, the cooled plastic sheet is directly subjected to subsequent operation in the feeding hole of the forming machine body, the plastic sheet does not need to be heated, the energy is saved, and the operation process of operators is simplified.

Optionally, the feeding port of the forming machine body is rotatably connected with a detection roller, and one end of the detection roller is electrically connected with a temperature sensor.

By adopting the technical scheme, the detection roller can firstly play a role in guiding the plastic sheets entering the feeding port of the forming machine body, and then the temperature sensor on the plastic sheets can play a role in monitoring the temperature of the plastic sheets entering the forming machine body, so that the plastic sheets entering the forming machine body are always at a proper temperature.

To sum up, the application comprises the following beneficial technical effects:

1. the cooling roller is arranged at the discharge port of the calender body and conducts heat of the plastic sheet, so that the process that the plastic sheet is cooled to room temperature and then heated can be omitted, the whole cooling process is simple and convenient, and energy is effectively saved;

2. the lower roller is positioned above the plastic sheet, and the upper roller is positioned below the plastic sheet, so that the moving path of the plastic sheet can be prolonged, and the plastic sheet can be fully cooled by the cooling roller;

3. by setting the diameters of both the upper and lower rollers to 14-16cm, it is helpful to make the upper and lower rollers as space-saving as possible while having a suitable contact area with the plastic sheet.

Drawings

Fig. 1 is a schematic perspective view of a calender in the background art of the present application;

FIG. 2 is a diagram showing an operating state of an energy saving apparatus for a calender in embodiment 1 of the present application;

FIG. 3 is a schematic perspective view of an energy saving apparatus for a calender in example 1 of the present application;

FIG. 4 is a diagram showing an operating state of an energy saving apparatus for a calender in embodiment 2 of the present application;

FIG. 5 is an enlarged view of FIG. 4 taken at detail A;

fig. 6 is a schematic perspective view of a plastic calendering system according to an embodiment of the present application.

Description of reference numerals: 1. a calender body; 11. a discharge port; 2. a winding mechanism; 21. a support; 22. a wind-up roll; 3. a cooling roll; 31. upper roll; 32. a lower roll; 4. a connecting member; 41. a connecting hook; 411. a horizontal bar; 412. a vertical rod; 42. a connecting plate; 421. connecting holes; 5. a fixing plate; 6. a sheet material; 7. a forming machine body; 8. a detection roller; 81. a temperature sensor.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses energy-saving equipment for a calender and a plastic calendering and molding system.

Example 1

Referring to fig. 2 and 3, the energy-saving device for the calender comprises a cooling roller 3 installed on the outer wall of a calender body 1, a discharge port 11 is formed in the calender body 1, and the cooling roller 3 is located at the discharge port 11. The cooling roll 3 comprises an upper roll 31 and a lower roll 32, the upper roll 31 and the lower roll 32 are both hollow rolls, and the upper roll 31 and the lower roll 32 are both made of aluminum metal. The axial directions of the upper roller 31 and the lower roller 32 are both parallel to the longitudinal direction of the discharge port 11. The upper roller 31 and the lower roller 32 are rotatably connected with the calender body 1. The lower roller 32 is located above the plastic sheet 6 and the upper roller 31 is located below the plastic sheet 6.

The aluminum material has good thermal conductivity and is relatively cheap, the purpose of conducting heat can be achieved, and the hollow upper roller 31 and the hollow lower roller 32 have good heat dissipation effect, so that the plastic sheet is favorably cooled from about 120 ℃ to about 110 ℃. When the high-temperature plastic sheet 6 at the discharge port 11 passes through the lower roller 32 and the upper roller 31, the plastic sheet 6 has a sufficiently long conveying path, and the upper roller 31 and the lower roller 32 sequentially cool the plastic sheet 6, so that the plastic sheet 6 can be effectively cooled to about 110 ℃. The cooled plastic sheet 6 can be directly used in the blow molding process of a molding machine, and does not need to be cooled to room temperature and then reheated, so that energy is saved, and the operation of operators is facilitated due to the fact that the rolling process of the sheet 6 and the process of reheating the sheet 6 are omitted.

As shown in fig. 3, a fixing plate 5 is welded on the outer wall of the discharge port 11 of the calender body 1, the length direction of the fixing plate 5 is parallel to the height direction of the calender body 1, the lower roller 32 is located above the plastic sheet 6 and is connected with the fixing plate 5 through a bearing, and the upper roller 31 is located below the plastic sheet 6 and is rotatably connected with the fixing plate 5 through a bearing.

As shown in FIG. 3, the diameters of the upper roller 31 and the lower roller 32 are both 10-20cm, and may be 14cm, 15cm or 16cm, or 10cm or 20cm in other embodiments, and the diameters of the upper roller 31 and the lower roller 32 are both 15cm in this embodiment. When the diameters of the upper roller 31 and the lower roller 32 are both appropriate, the contact areas of the upper roller 31 and the lower roller 32 with the plastic sheet 6 are appropriate, which helps to cool the plastic sheet 6 to about 110 ℃.

The application embodiment 1 is an implementation principle of energy-saving equipment for a calender: the plastic sheet 6 passes through the lower roller 32, then passes through the upper roller 31, and the upper roller 31 and the lower roller 32 with proper diameters can effectively cool the plastic sheet 6 to about 110 ℃. The cooled plastic sheet 6 can be directly used in the blow molding process of a molding machine, which is helpful for saving energy and facilitating the operation of operators.

Example 2

The difference with embodiment 1 is that, as shown in fig. 4 and 5, a connecting piece 4 is provided between the upper roll 31 and the calender body 1, the connecting piece 4 includes a connecting hook 41 and a connecting plate 42, the connecting hook 41 includes a horizontal rod 411 and a vertical rod 412, one end of the horizontal rod 411 is integrally connected with the outer wall of the calender body 1, the other end of the horizontal rod 411 is integrally connected with the vertical rod 412, the vertical rod 412 and the horizontal rod 411 are vertically arranged, and one end of the vertical rod 412, which is far away from the horizontal rod 411, extends in a direction far away from the lower roll 32. The bottom wall of the connecting plate 42 is opened with a connecting hole 421, and the vertical rod 412 is inserted in the connecting hole 421 and vertically and slidably connected with the connecting plate 42. The connecting plate 42 is rotatably connected with the upper roller 31 through a bearing.

When the thicknesses of the plastic sheets 6 are different, the vertical rods 412 with the proper heights are inserted into the connecting holes 421 to adjust the positions of the upper rollers 31, so that the distance between the upper rollers 31 and the lower rollers 32 is proper, and the plastic sheets 6 with different thicknesses can be cooled to the proper temperature by adjusting the paths through which the plastic sheets 6 pass, so that the applicability of the cooling roller 3 is improved.

Embodiment 2 of this application energy-saving equipment's for calender implementation principle: the position of the upper roller 31 is adjusted to adjust the distance between the upper roller 31 and the lower roller 32 according to the thickness of the plastic sheet 6, and the plastic sheet 6 with different thickness can be cooled to about 110 ℃ after passing through the lower roller 32 and the upper roller 31 in sequence in the same operation as in example 1.

On the other hand, the embodiment also discloses a plastic calendering and molding system. As shown in fig. 6, a plastic calendering molding system includes a calender body 1, a molding machine body 7 and the energy-saving device for the calender, the energy-saving device for the calender is connected to the calender body 1 and is located between a discharge port 11 and a feed port of the molding machine body 7, the feed port of the molding machine body 7 is rotatably connected to a detection roller 8, and one end of the detection roller 8 is electrically connected to a temperature sensor 81.

The temperature sensor 81 is annular and coaxial with the detection roller 8, the outer peripheral wall of the temperature sensor 81 is flush with the outer peripheral wall of the detection roller 8, and the side wall of the detection roller 8 is bonded and fixed to the side wall of the temperature sensor 81.

The plastic sheet 6 processed by the calender body 1 is directly cooled to about 110 ℃ by energy-saving equipment for a calender and then enters the forming machine body 7 for subsequent operation, and at the moment, the plastic sheet 6 does not need to be heated any more, which is beneficial to saving energy; the temperature sensor 81 may function to monitor the temperature of the plastic sheet 6 entering the molding machine body 7 during the plastic sheet 6 entering the molding machine body 7, helping to ensure that the plastic sheet 6 entering the molding machine body 7 is always at the proper temperature.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an energy-conserving equipment for calender which characterized in that: including installing chill roll (3) on calender body (1), discharge gate (11) have been seted up in calender body (1), chill roll (3) are located discharge gate (11) department, chill roll (3) are including last roller (31) and lower roll (32), and the axis direction of going up roller (31) and lower roll (32) all is parallel with the length direction of discharge gate (11), goes up roller (31) and lower roll (32) and all rotates with calender body (1) to be connected.

2. The energy saving apparatus for the calender according to claim 1, wherein: the lower roller (32) is positioned above the plastic sheet (6), and the upper roller (31) is positioned below the plastic sheet (6).

3. The energy saving apparatus for the calender according to claim 2, wherein: the upper roller (31) and the lower roller (32) are both hollow rollers.

4. The energy saving apparatus for the calender according to claim 3, wherein: the diameters of the upper roller (31) and the lower roller (32) are both 10-20 cm.

5. The energy saving apparatus for the calender according to claim 4, wherein: the diameters of the upper roller (31) and the lower roller (32) are both 14-16 cm.

6. The energy saving apparatus for the calender according to claim 5, wherein: go up and be equipped with connecting piece (4) between roller (31) and calender body (1), connecting piece (4) are including coupling hook (41) and connecting plate (42), coupling hook (41) are including horizon bar (411) and vertical pole (412), the one end and the calender body (1) outer wall welding of horizon bar (411), the other end and vertical pole (412) body coupling, the one end that horizon bar (411) were kept away from in vertical pole (412) extends to the direction of keeping away from lower roll (32), connecting plate (42) are rotated with last roller (31) and are connected, connecting hole (421) have been seted up to the diapire of connecting plate (42), vertical pole (412) are arranged in connecting hole (421).

7. A plastic calendering molding system is characterized in that: the forming machine comprises a calender body (1), a forming machine body (7) and the energy-saving equipment for the calender of any one of claims 1 to 6, wherein the energy-saving equipment for the calender is connected with the calender body (1) and is positioned between a discharge hole (11) of the calender body (1) and a feed inlet of the forming machine body (7).

8. A plastic calendering system as in claim 7, wherein: the feeding port of the forming machine body (7) is rotatably connected with a detection roller (8), and one end of the detection roller (8) is electrically connected with a temperature sensor (81).