CN213198511U

CN213198511U - Cooling roller mechanism of EVA (ethylene vinyl acetate) adhesive film production line

Info

Publication number: CN213198511U
Application number: CN202021689092.6U
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: 2021-05-14
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a EVA glued membrane production line chill roll mechanism, including chill roll, support frame and motor, the chill roll includes barrel, end cover, and barrel axial both ends are sealed through the end cover respectively, and the axial direction of closing cap is connected with the connecting axle respectively, and the connecting axle axial is equipped with the water hole, and the axial outside one end intercommunication of connecting axle is connected with first rotatory water connector, its axial inboard one end that is located the barrel communicates respectively and is connected with the rotatory water connector of second, and the intercommunication is connected with the water service pipe between the rotatory water connector of both sides second in the barrel, and this water service pipe is close to barrel right side one end and is equipped with the water suction pipe, and the water service pipe right-hand member is close. Through the water inlet piece cooling water that arranges in proper order and pour into the barrel into to guarantee that whole barrel temperature is even, it is big to improve the barrel both ends difference in temperature of chill roll, avoids the chill roll to produce the defect when the cooling rubber membrane, stops the waste film and produces, has improved the shaping effect and the shrinkage factor of glued membrane, increases the product percent of pass.

Description

Cooling roller mechanism of EVA (ethylene vinyl acetate) adhesive film production line

Technical Field

The utility model belongs to the technical field of the EVA glued membrane processing equipment, in particular to EVA glued membrane production line chill roll mechanism.

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 the cooling roller in the prior art, the cooling mode is that the cooling roller flows in from one end of the cooling roller and flows out from the other end of the cooling roller, and the whole roller body has an obvious temperature gradient on the width layer, namely, the temperature of one end of the cooling roller is high, and the temperature of the other end of the cooling roller is low, so that the temperature difference between the two ends of the roller body is large, the shrinkage rate of an 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 production line chill roll mechanism is provided.

The utility model is realized in such a way, the cooling roller mechanism of the EVA film production line is provided, which comprises a cooling roller, a support frame and a motor, wherein the connecting shaft ends at the two ends of the cooling roller are arranged on the support frame through a bearing seat frame, the motor is connected with the connecting shaft end at one end of the cooling roller in a driving way, the cooling roller comprises a barrel body and an end cover, the axial two ends of the barrel body are respectively sealed and connected through the end cover, the axial center of the end cover is respectively connected with a connecting shaft, the connecting shaft is axially provided with a water hole communicated with the inner cavity of the barrel body, one end at the axial outer side of the connecting shaft is communicated and connected with a first rotating water joint, one end at the axial inner side in the barrel body is respectively communicated and connected with a second rotating water joint, a water service pipe is communicated and connected between the second rotating water joints at the two, the water service pipe right-hand member is close to the pipe that absorbs water one side and seals, and the motor sets up in the support frame below, and its one side is provided with coolant tank, air-cooled cold water machine, is provided with the suction pump in the coolant tank, and the play water end of suction pump is connected with the first rotatory water joint intercommunication in barrel left side through the water injection pipeline, and the first rotatory water joint in barrel right side is connected with the outlet pipe that the suction pump was connected with through the intercommunication and is flowed back to coolant tank through air-cooled cold water machine, the last axial of water service pipe is equipped.

Furthermore, each water outlet is respectively communicated and connected with a water spray nozzle.

Furthermore, each water outlet on the water pipe is arranged upwards.

Furthermore, a connecting shaft sleeve is arranged on one side end cover of the cylinder body and is fixedly connected with a chain wheel or a belt wheel, and the motor is in transmission connection with the chain wheel or the belt wheel through a chain or a belt.

Furthermore, the radial lower side of the left side of the water pipe is provided with a gravity block which is arranged corresponding to the water suction pipe.

Compared with the prior art, the cooling roller mechanism of the EVA glue film production line of the utility model drives the cooling roller to rotate through the chain wheel or the belt wheel by the motor, and the glue film is cooled and drawn by the embossing roller and then is cooled and formed by each cooling roller; a plurality of chill rolls arrange in proper order on the roller right side, through set up the water service pipe in the barrel to be equipped with a plurality of delivery ports on the water service pipe, through the water service mouth spare cooling water injection barrel of arranging in proper order in, thereby guarantee that whole barrel temperature is even, it is big to improve the barrel both ends difference in temperature of chill roll, avoids the chill roll to produce the defect when the cooling glued membrane, stops the waste film and produces, has improved the shaping effect and the shrinkage factor of glued membrane, increases the product percent of pass.

Through the bottom setting suction pipe in the barrel to take out the water that the bottom was gathered in the barrel, spray water all the time up for making the suction pipe all the time down and the delivery port, thereby through being equipped with the gravity piece that corresponds the setting with the suction pipe in the radial downside in the left side of water service pipe, when because of the chill roll actual rotation, the rotational speed is low, then gravity piece and suction pipe guarantee with its weight that the suction pipe is down, the delivery port is up.

Drawings

FIG. 1 is a schematic view of a front plan view of a cooling roller mechanism of an EVA film production line of the present invention;

FIG. 2 is a schematic view of the sectional structure of the cooling roller mechanism of the EVA film production line;

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.

Please refer to fig. 1 and fig. 2, the utility model relates to a EVA glue film production line chill roll mechanism, including chill roll 1, support frame 2 and motor 3, the connecting axle head at chill roll 1 both ends is put on support frame 2 through bearing frame 4, motor 3 drive is connected in the connecting axle head of chill roll 1 one end, chill roll 1 includes barrel 11, end cover 12, and barrel 11 axial both ends are sealed-in through end cover 12 respectively, and the axial center of end cover 12 is connected with connecting axle 14 respectively, and connecting axle 14 axial is equipped with the water hole with barrel 11 inner chamber intercommunication, and connecting axle 14's axial outside one end intercommunication is connected with first rotatory water connector 15, its axial inboard one end that is located barrel 11 is connected with second rotatory water connector 16 respectively, and the intercommunication is connected with water service pipe 13 between the second rotatory water connector 16 of both sides in barrel 11, and this water service pipe 13 is close to barrel right side one end and is equipped with the suction tube 17 that is connected with this side second rotatory water connector 16 intercommunication and sets up downwards The right end of the water service pipe 13 is close to one side of the water suction pipe 17 and sealed, the motor 3 is arranged below the support frame 2, one side of the water service pipe is provided with a cooling water tank 5 and an air-cooled water cooler 6, a water suction pump 7 is arranged in the cooling water tank 5, the water outlet end of the water suction pump 7 is communicated and connected with a first rotary water joint 15 on the left side of the barrel body 11 through a water injection pipeline 18, the first rotary water joint 15 on the right side of the barrel body 11 is communicated and connected with a water outlet pipe 19 of a water suction pump 20 through communication and flows back to the cooling water tank 5 through the air-cooled water cooler. The water outlets 130 are respectively connected with water nozzles. The water outlets 130 of the water pipe 13 are arranged upward. The end cover 12 on one side of the cylinder 11 is connected with a chain wheel or a belt wheel 21 in a sleeved and fixed mode, and the motor 3 is in transmission connection with the chain wheel or the belt wheel 21 through a chain or a belt 22. A gravity block 23 corresponding to the water suction pipe 17 is arranged at the radial lower side of the left side of the water pipe 13.

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. A cooling roller mechanism of an EVA (ethylene vinyl acetate) adhesive film production line comprises a cooling roller (1), a support frame (2) and a motor (3), wherein connecting shaft ends at two ends of the cooling roller (1) are erected on the support frame (2) through a bearing seat (4), the motor (3) is connected to the connecting shaft end at one end of the cooling roller (1) in a driving manner, the cooling roller (1) comprises a barrel body (11) and an end cover (12), the axial two ends of the barrel body (11) are respectively sealed through the end cover (12), the axial center of the end cover (12) is respectively connected with a connecting shaft (14), the connecting shaft (14) is axially provided with a water hole communicated with an inner cavity of the barrel body (11), one end of the axial outer side of the connecting shaft (14) is communicated with a first rotary water joint (15), one end of the axial inner side of the connecting shaft in the barrel body (11) is respectively communicated with a second rotary water joint (16), and a water service pipe (13) is, and one end of the water service pipe (13) close to the right side of the barrel is provided with a water suction pipe (17) which is communicated with the second rotary water joint (16) on the side and is arranged downwards, one side of the water service pipe (13) close to the water suction pipe (17) is sealed, the motor (3) is arranged below the support frame (2), one side of the motor is provided with a cooling water tank (5) and an air-cooled water cooler (6), a water suction pump (7) is arranged in the cooling water tank (5), the water outlet end of the water suction pump (7) is communicated and connected with the first rotary water joint (15) on the left side of the barrel (11) through a water injection pipeline (18), the first rotary water joint (15) on the right side of the barrel (11) is communicated and connected with a water outlet pipe (19) of the water suction pump (20) through a communication mode and flows back to the cooling water tank (5) through the air-.

2. The EVA film production line chill roll mechanism of claim 1, wherein each water outlet (130) is connected with a water spray nozzle.

3. The cooling roller mechanism of EVA film production line of claim 1, wherein each water outlet (130) of the water pipe (13) is disposed upward.

4. The EVA film production line chill roll mechanism of claim 1, wherein a sprocket or a pulley (21) is fixedly connected to the end cap (12) on one side of the cylinder (11), and the motor (3) is in transmission connection with the sprocket or the pulley (21) through a chain or a belt (22).

5. The cooling roller mechanism of EVA film production line of claim 1, wherein the left radial lower side of the water pipe (13) is provided with a gravity block (23) corresponding to the water suction pipe (17).