CN213227196U

CN213227196U - EVA glued membrane shaping flower roller cooling structure

Info

Publication number: CN213227196U
Application number: CN202021689372.7U
Authority: CN
Inventors: 王志伟; 马磊; 王松兵
Original assignee: Hangzhou Yiyang Photovoltaic Technology Co ltd
Current assignee: Hangzhou Yiyang Photovoltaic Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-18
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a cooling structure of an EVA film forming roller, which comprises a roller, wherein the roller comprises a cylinder body, a water inlet pipe, a water return pipe and a water return bent pipe, two support frames are respectively provided with a water inlet main pipe and a water return main pipe, the axial two ends of the cylinder body are respectively connected with an end cover, the axial ends of the end covers are respectively provided with a connecting shaft end, the connecting shaft ends at the two sides of the cylinder body are arranged on the support frames through bearing seat frames, the inner cavity of the cylinder body is a water-cooling cavity, the connecting shaft ends are respectively provided with a water through, the other end of the water return pipe is communicated and connected with the main water inlet pipe, one end of the water return pipe is communicated and connected with the connecting shaft end of the end cover at the other side, the other end of the water return pipe is communicated and connected with a water return main pipe, the connecting shaft ends on the end covers on the two sides towards one side of the water cooling cavity are respectively communicated and connected with one end of a water through bent pipe in the cylinder body through second rotary joints, and the other end of the water through bent pipe is arranged downwards. The cooling structure ensures effective cooling of the embossing roller, avoids the defects generated when the adhesive film is adhered to the roller and peeled off, and increases the product percent of pass.

Description

EVA glued membrane shaping flower roller cooling structure

Technical Field

The utility model belongs to glued membrane former field, in particular to EVA glued membrane shaping roller cooling structure.

Background

The preparation of the adhesive film is that EVA particles are extruded by a screw extruder, extruded by a filter screen from a forming die head to form a film shape, vertically cast between a forming embossing roller and a forming rubber roller and rolled into the adhesive film with patterns and uniform thickness. Due to the harsh requirements of the photovoltaic industry, the requirements on production equipment of the EVA adhesive film are very high, and the production equipment comprises the technical difficulties of equipment stability, extrusion temperature control, cross-linking curing prevention, product shrinkage rate control and the like. In order to cool the formed EVA adhesive film, the cooling roller process after the embossing roller needs to continue cooling, the cooling uniformity of the embossing roller and the cooling roller directly influences the uniformity of the peeled EVA adhesive film, and the process requires that the temperature difference between the two ends of the cooling roller and the middle of the cooling roller cannot be larger than 1 ℃. The cooling roller in the prior art has the cooling mode that the cooling roller flows in from one end of the embossing roller and flows out from the other end of the embossing roller, the whole roller body has an obvious temperature gradient on the width layer, namely, the temperature of one end of the embossing roller is high, the temperature of the other end of the embossing roller is low, so that the temperature difference between the two ends of the roller body is large, the adhesive film is stressed unevenly when being stripped, the shrinkage rate of the adhesive film is large and uneven, and the product quality is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a EVA glued membrane shaping roller cooling structure is provided.

The utility model is realized in such a way, the utility model provides an EVA film forming roller cooling structure, including roller, motor, support frame, the roller includes barrel, first rotatory water connector, second rotatory water connector, bearing frame, inlet tube, wet return, the return, the main pipe of intaking, the main pipe of return is arranged in the support frame both sides, barrel axial both ends are connected with the end cover respectively, the end cover axial is equipped with the connecting axle head respectively, barrel both sides connecting axle head is arranged on the support frame through the bearing frame, barrel and both ends end cover enclose to constitute barrel inner chamber and be the water-cooling chamber, connecting axle head on both ends end cover is equipped with the limbers respectively axially, inlet tube one end is connected with the connecting axle head of one side end cover through first rotatory water connector and is communicated with the limbers, its other end is communicated with the main pipe of intaking, return one end is connected with the connecting axle head of the other side end cover through, the other end of the water return pipe is communicated and connected with a water return main pipe, the side, facing the water cooling cavity, of the water through holes in the end covers on the two sides is communicated and connected with one end of a water through bent pipe in the barrel through a second rotary water joint, and the other end of the water through bent pipe is bent and arranged downwards;

a belt wheel is fixedly sleeved at the end of a connecting shaft of an end cover at one side of the cylinder body in the radial direction, and the motor is connected to the belt wheel through a belt in a driving way;

the downward end of the water-through bent pipe is fixedly connected with a gravity block in the radial direction.

Furthermore, a connecting rod is connected between the water-through bent pipes at two sides in the cylinder body, and a plurality of brushes which are attached to the inner wall of the cylinder body are arranged at the lower side of the connecting rod.

Further, EVA glued membrane shaping roller cooling structure still includes cooling water tank and air-cooled cold water machine, the main pipe of intaking extracts cooling water tank internal cooling water source through first suction pump and supplies with in the water-cooling chamber, the return water is responsible for then to flow back to cooling water tank again after taking out water-cooling intracavity water source through the second suction pump to air-cooled cold water machine.

Compared with the prior art, the utility model discloses EVA glued membrane shaping roller cooling structure, the power take off end of motor rotates through belt or chain drive roller, there is cooling water tank to pour into the water-cooling intracavity in the barrel through the water injection pipeline at the rotation in-process, it sprays in the barrel to be water-service pipe spare cooling water, the water that gathers bottom in the barrel by the suction tube is through second rotatory water joint, the water hole of right side connecting axle, first rotatory water joint, the outlet pipe that the intercommunication is connected with the suction pump is taken out, the water that takes out flows back to cooling water tank after the air-cooled chiller cools down, thereby reach and cool off the roller, this cooling structure preparation is convenient, the cost of manufacture is low, guarantee that the roller is effectively cooled, the shaping effect and the shrinkage factor of glued membrane have been improved, increase the product percent of pass; the water outlet of the water service pipe is arranged upwards, and the water spray nozzle is arranged in the water outlet, so that the inside of the cylinder body is cooled quickly, heat is taken away by water mist, water accumulated at the bottom side of the cylinder body is pumped away, and the cooling effect of the cooling roller is achieved circularly.

Drawings

FIG. 1 is a schematic front view of an EVA film forming roller cooling structure of the present invention;

figure 2 is the utility model discloses EVA glued membrane shaping flower roller cooling structure's main cross-sectional view.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, the EVA film forming roller cooling structure of the present invention includes a roller 1, a motor 2, and a support frame 3, wherein the roller 1 includes a barrel 11, a first rotary water joint 12, a second rotary water joint 13, a bearing seat 14, a water inlet pipe 15, a water return pipe 16, a water return bend 17, a water inlet main pipe 4, and a water return main pipe 5, the water inlet main pipe 4 and the water return main pipe 5 are disposed at two sides of the support frame 3, two axial ends of the barrel 11 are respectively connected with an end cover 18, the end covers 18 are respectively axially provided with a connecting shaft end 19, the connecting shaft ends 19 at two sides of the barrel 11 are mounted on the support frame 3 through the bearing seat 14, the barrel 11 and the end covers 18 enclose to form a water cooling cavity 10, the connecting shaft ends 19 at two end covers 18 are respectively axially provided with a water through hole, one end of the water inlet pipe 15 is connected with the connecting shaft end 19 of the end cover, the other end of the water return pipe is communicated and connected with the water inlet main pipe 4, one end of the water return pipe 16 is connected with a connecting shaft end 19 of the end cover 18 at the other side through a first rotary water joint 12 and is communicated with a water through hole, the other end of the water return pipe is communicated and connected with the water return main pipe 5, the water through holes in the end covers 18 at two sides, which face one side of the water cooling cavity 10, are respectively communicated and connected with one end of a water through bent pipe 17 positioned in the cylinder 11 through a second rotary water joint 13, and the other end of the water through bent;

a belt wheel 20 is radially and fixedly sleeved at a connecting shaft end 19 of an end cover 18 at one side of the cylinder 11, and the motor 2 is driven to be connected with the belt wheel 20 through a belt 21; the downward end of the water-through bent pipe 17 is fixedly connected with a gravity block 22 in the radial direction.

A connecting rod 23 is connected between the water-passing bent pipes 17 at both sides in the cylinder 11, and a plurality of brushes 24 adhered to the inner wall of the cylinder 11 are arranged at the lower side of the connecting rod 23.

EVA glued membrane shaping roller cooling structure still includes cooling water tank 25 and air-cooled cold water machine 27, the person in charge of 4 that intakes extracts cooling water tank 25 internal cooling water source through first suction pump 26 and supplies with in water-cooling chamber 10, the return water is responsible for 5 and then is taken out the water source in water-cooling chamber 10 through second suction pump 28 and flows back to cooling water tank again behind the air-cooled cold water machine.

The water inlet main pipe 4 is used for extracting cooling water from the cooling water tank 25 through the water suction pump 26, the cooling water enters the water cooling cavity 10 of the pattern roller 1 through the water inlet pipe 15, and the cooling water flows back to the water cooling equipment through the water return main pipe 5 through the water return pipe 16 and is cooled and cooled, and then the cooling water enters the cooling water tank 25 for recycling.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An EVA (ethylene vinyl acetate) film forming roller cooling structure is characterized by comprising a roller (1), a motor (2) and a support frame (3), wherein the roller (1) comprises a cylinder body (11), a first rotary water joint (12), a second rotary water joint (13), a bearing seat (14), a water inlet pipe (15), a water return pipe (16), a water return bent pipe (17), a water inlet main pipe (4) and a water return main pipe (5), the water inlet main pipe (4) and the water return main pipe (5) are arranged on two sides of the support frame (3), two axial ends of the cylinder body (11) are respectively connected with an end cover (18), the end covers (18) are respectively and axially provided with connecting shaft ends (19), the connecting shaft ends (19) on two sides of the cylinder body (11) are erected on the support frame (3) through the bearing seat (14), the cylinder body (11) and the end covers (18) at two ends are enclosed to form a cylinder inner cavity which is a water cooling cavity (10), and, one end of a water inlet pipe (15) is connected with a connecting shaft end (19) of an end cover (18) at one side through a first rotary water joint (12) and is communicated with a water through hole, the other end of the water inlet pipe is communicated with a main water inlet pipe (4), one end of a water return pipe (16) is connected with the connecting shaft end (19) of the end cover (18) at the other side through the first rotary water joint (12) and is communicated with the water through hole, the other end of the water return pipe is communicated with a main water return pipe (5), the water through holes in the end covers (18) at two sides towards one side of a water cooling cavity (10) are respectively communicated and connected with one end of a water through bent pipe (17) positioned in a barrel body (11) through a second rotary water joint (13), and the other end of the water;

a belt wheel (20) is radially fixedly sleeved at a connecting shaft end (19) of an end cover (18) at one side of the cylinder body (11), and the motor (2) is driven to be connected with the belt wheel (20) through a belt (21);

and the downward end of the water-through bent pipe (17) is radially and fixedly connected with a gravity block (22).

2. The EVA film forming embossing roll cooling structure of claim 1, wherein a connecting rod (23) is connected between the water-passing bent pipes (17) at both sides in the cylinder (11), and a plurality of brushes (24) adhered to the inner wall of the cylinder (11) are arranged at the lower side of the connecting rod (23).

3. The EVA adhesive film forming embossing roll cooling structure of claim 1, further comprising a cooling water tank (25) and an air-cooled water cooler (27), wherein the water inlet main pipe (4) pumps a cooling water source in the cooling water tank (25) through a first water pump (26) to supply the cooling water source to the water-cooled cavity (10), and the water return main pipe (5) pumps the cooling water source in the water-cooled cavity (10) through a second water pump (28) to the air-cooled water cooler and then flows back to the cooling water tank.