CN111873290A

CN111873290A - Rubber calender

Info

Publication number: CN111873290A
Application number: CN202010796059.1A
Authority: CN
Inventors: 鲍宪丽; 廉静
Original assignee: Guangzhou Lixin Intelligent Technology Co ltd
Current assignee: Guangzhou Lixin Intelligent Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-11-03

Abstract

The invention relates to a rubber calender, which comprises a frame body, a feeding device, a calendering device, a scraping device, a cooling device and a discharging device, wherein the feeding device is arranged on the left side of the frame body, the calendering device is arranged in the middle of the inside of the frame body, the scraping device is arranged on the upper end surface and the lower end surface of the inside of the frame body, the cooling device is arranged at the front end of the frame body, and the discharging device is arranged on the right side of the frame body. The invention can solve the following defects of the traditional rubber calender: a. calendering the rubber into a common rubber sheet, wherein the section of the rubber sheet has no specific shape; b. in the calendering process, the surface of the rubber sheet after calendering is not smooth enough due to the fact that rubber is adhered to the surface of the working roller, and therefore the calendering quality is affected; c. the rubber is cooled too fast after being calendered, so that the rubber sheet after calendering has large shrinkage, and the calendering effect is influenced.

Description

Rubber calender

Technical Field

The invention relates to the field of rubber processing, in particular to the technical field of rubber calenders.

Background

Rubber calendering refers to the process of making rubber products, in advance, mixing rubber materials into rubber sheets with certain thickness, width or shape. The principle is that when the rubber is added between two working rollers of a calender, the rubber is brought into a roller gap through the rotation of the rollers, and the rubber is rolled into a rubber sheet with certain thickness and width.

At present, the traditional rubber calender generally has the following disadvantages: a. calendering the rubber into a common rubber sheet, wherein the section of the rubber sheet has no specific shape; b. in the calendering process, the surface of the rubber sheet after calendering is not smooth enough due to the fact that rubber is adhered to the surface of the working roller, and therefore the calendering quality is affected; c. the rubber is cooled too fast after being calendered, so that the rubber sheet after calendering has larger shrinkage, thereby influencing the calendering effect.

Disclosure of Invention

Technical problem to be solved

The invention can solve the following defects of the traditional rubber calender: a. calendering the rubber into a common rubber sheet, wherein the section of the rubber sheet has no specific shape; b. in the calendering process, the surface of the rubber sheet after calendering is not smooth enough due to the fact that rubber is adhered to the surface of the working roller, and therefore the calendering quality is affected; c. the rubber is cooled too fast after being calendered, so that the rubber sheet after calendering has large shrinkage, and the calendering effect is influenced.

(II) technical scheme

In order to achieve the above object, the present invention adopts the following technical solutions, wherein the rubber calender comprises a frame, a feeding device, a calendering device, a scraping device, a cooling device and a discharging device, the feeding device is arranged on the left side of the frame, the calendering device is arranged in the middle of the inside of the frame, the scraping devices are arranged on the upper end surface and the lower end surface of the inside of the frame, the cooling device is arranged at the front end of the frame, and the discharging device is arranged on the right side of the frame, wherein:

the rolling device comprises a rolling roller, two roller shafts, a baffle, a support rod and an adjusting mechanism, wherein the two roller shafts are arranged in the front side wall and the rear side wall of the frame body through bearings;

the calendering rollers comprise an upper calendering roller and a lower calendering roller, wherein the upper calendering roller is arranged above the lower calendering roller;

the adjusting mechanism comprises a bidirectional cylinder, a fixed block, a gear set, an installation frame, an electric slider, a multi-stage rotating speed motor and a driving gear, wherein the bidirectional cylinders are symmetrically installed inside the front side wall and the rear side wall of the frame body through a cylinder base, the extending ends of the bidirectional cylinders are fixedly connected with the fixed block, the fixed block is fixedly connected onto two roller shafts, the gear set is connected onto the extending ends of the rear ends of the two roller shafts through keys, the installation frame is arranged at the rear part of the frame body, a chute is formed in the upper end face of the installation frame, the electric slider is installed in the chute, the multi-stage rotating speed motor is installed at the upper end of the electric slider through a motor base, the output end of;

the cooling device comprises a water tank, a first high-pressure water pump, a telescopic pipeline, a water cavity and a second high-pressure water pump, wherein the outside up end of framework be provided with the water tank, there is a high pressure water pump on the right side of water tank through water pump pedestal mounting, go up the calendering roller and the inside of calendering roller down has all seted up the water cavity, press down and have No. two high pressure water pumps through water pump pedestal mounting on the framework outer wall on roller right side, the right side wall lower extreme of water tank is connected through the water inlet of flexible pipeline and a high pressure water pump, the delivery port of a high pressure water pump is connected through the water inlet of the inside water cavity of flexible pipeline and last calendering roller, the delivery port of the inside water cavity of last calendering roller is connected through the water inlet of the inside water cavity of flexible pipeline and lower calendering roller, the delivery port of the inside water cavity of lower calendering roller is connected through the water inlet of flexible pipeline and No. two high pressure water pumps, the delivery port of No. two high pressure water pumps is connected through the right side wall upper end of.

As a preferred technical scheme of the invention, the feeding device comprises a feeding plate and a feeding cylinder, wherein the right end of the feeding plate is connected with the left side wall of the frame body through a pin shaft, the feeding cylinder is obliquely arranged below the feeding plate, the lower end of the feeding cylinder is installed on the left side wall of the frame body through a cylinder base, and the extending end of the feeding cylinder is fixedly connected with the left end of the feeding plate.

As a preferred technical scheme of the invention, the front end and the rear end of the feeding plate are respectively provided with a material blocking shoulder.

As a preferable technical scheme of the invention, the baffle is connected with the inner side wall of the calendering roller in a sliding way.

As a preferred technical scheme of the invention, the scraping device comprises an electric push rod, a push plate, a scraping plate, a belt conveying roller and a material receiving box, wherein the electric push rod is arranged on the upper end surface and the lower end surface of the interior of the frame body, the push plate is fixedly connected with the extending end of the electric push rod, the scraping plate is connected with the left end and the right end of the push plate through a telescopic sleeve, the belt conveying roller is arranged at the upper end of the scraping plate, and the material receiving box is arranged on the side wall of the scraping plate.

As a preferable technical scheme of the invention, the water tank comprises a hot water tank, a warm water tank and a cold water tank.

As a preferred technical scheme of the invention, the discharging device comprises an electric conveying roller and a support, wherein the support is arranged on the right side of the frame body, and the electric conveying roller is arranged at the upper end of the support.

(III) advantageous effects

1. According to the rubber calender provided by the invention, the calendering device can calender a rubber sheet with an H-shaped section by changing the shape of the working roller, the distance between the calendering rollers can be adjusted by the adjusting mechanism, so that the calendering thickness is changed, and the calendering rollers are provided with a plurality of groups, so that the rubber material can be fully calendered, and the rubber material in the calendered rubber sheet is compact without bubbles;

2. according to the rubber calender provided by the invention, the scraping device can scrape and collect rubber adhered to the surface of the calendering roller in the working process of the calendering roller, and the surface of the calendering roller can be ensured to be always smooth, so that the surface of a rolled film is smooth, and the calendering quality is improved;

3. according to the rubber calender provided by the invention, the cooling device adopts a step-by-step cooling water cooling mode, so that the rubber sheet in the calendering process cannot have larger shrinkage rate due to sudden temperature change, and the water for cooling can be recycled, so that the waste of resources is reduced, and the calendering cost is reduced.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of the construction of a calender roll and two roll shafts in the present invention;

FIG. 4 is an enlarged view of the portion of FIG. 2 taken along line A of the present invention;

FIG. 5 is a left side view of the baffle of the present invention;

FIG. 6 is a schematic view of the adjusting mechanism of the present invention;

FIG. 7 is a left side view of the scraping device of the present invention;

FIG. 8 is a front view of the scraping device of the present invention;

FIG. 9 is a schematic view of the structure of a calendered section of the rubber of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 9, a rubber calender comprises a frame 1, a feeding device 2, a calendering device 3, a scraping device 4, a cooling device 5 and a discharging device 6, wherein the feeding device 2 is arranged on the left side of the frame 1, the calendering device 3 is arranged in the middle of the inside of the frame 1, the scraping device 4 is arranged on the upper end surface and the lower end surface of the inside of the frame 1, the cooling device 5 is arranged at the front end of the frame 1, and the discharging device 6 is arranged on the right side of the frame 1, wherein:

feed arrangement 2 include feed plate 21 and feeding cylinder 22, wherein the right-hand member of feed plate 21 be connected through round pin axle and left side wall at framework 1, the below slope of feed plate 21 is provided with feeding cylinder 22, feeding cylinder 22's lower extreme passes through cylinder pedestal mounting on framework 1's left side wall, feeding cylinder 22 stretches out end fixed connection at the left end of feed plate 21, feed plate 21 around both ends all be provided with the fender material shoulder, the effect that keeps off the material shoulder is that the rubber that prevents to preheat spills over feed plate 21. During specific work, preheated rubber is placed on the feeding plate 21, the feeding plate 21 is driven to incline by the feeding air cylinder 22, and therefore the preheated rubber enters between the upper calendering roll 311 and the lower calendering roll 312.

Calendering device 3 include calendering roller 31, two roller 32, baffle 33, bracing piece 34 and adjustment mechanism 35, wherein the both sides wall in front and back of framework 1 in install two roller 32 through the bearing, be connected with calendering roller 31 respectively through the key on two roller 32, calendering roller 31 include calendering roller 311 and lower calendering roller 312, wherein last calendering roller 311 install calendering roller 312 top down, fixedly connected with bracing piece 34 on the preceding and following lateral wall of framework 1 between two roller 32, the right-hand member fixedly connected with baffle 33 of bracing piece 34, baffle 33 and calendering roller 31's inside wall be sliding connection, the baffle 33 can prevent that the rubber after preheating is extruded calendering roller 31 by the axial, the inside adjustment mechanism 35 that is provided with of the preceding and following lateral wall of framework 1 between two roller 32. During specific work, the two roll shafts 32 are driven to rotate reversely by the adjusting mechanism 35, so that the upper calendering roll 311 and the lower calendering roll 312 are driven to rotate reversely, and the preheated rubber is calendered.

Adjustment mechanism 35 include two-way cylinder 351, fixed block 352, gear train 353, mounting bracket 354, electronic slider 355, multistage rotational speed motor 356 and driving gear 357, wherein the inside two-way cylinder 351 of installing through cylinder base symmetry of both sides wall around framework 1, the end fixedly connected with fixed block 352 that stretches out of two-way cylinder 351, fixed block 352 fixed connection is on two roller 32, stretch out to serve through the key connection gear train 353 in the rear end of two roller 32, framework 1's rear is provided with mounting bracket 354, the spout has been seted up to the up end of mounting bracket 354, install electronic slider 355 in the spout, multistage rotational speed motor 356 is installed through the motor frame in electronic slider 355's upper end, multistage rotational speed motor 356's output has driving gear 357 through the key-type connection, the gear train 353 intermeshing of driving gear 357 and two roller 32 rear ends. During operation, the two-way motion through two-way cylinder 351 drives fixed block 352 to carry out two-way motion, thereby drive two roller 32 and install the gear train 353 reverse motion at two roller 32 rear ends, thereby adjust the distance between calendering roller 311 and the lower calendering roller 312, and simultaneously, drive multistage rotational speed motor 356 through electric slider 355 and move right, thereby drive driving gear 357 move right and gear train 353 intermeshing, start multistage rotational speed motor 356, drive driving gear 357 through multistage rotational speed motor 356 and rotate, thereby drive gear train 353 reverse rotation, thereby drive calendering roller 311 and lower calendering roller 312 reverse rotation, and then carry out the calendering to the rubber after preheating.

The scraping device 4 comprises an electric push rod 41, a push plate 42, a scraping plate 43, a belt conveying roller 44 and a material receiving box 45, wherein the electric push rod 41 is installed on the upper end face and the lower end face of the inside of the frame body 1, the extending end of the electric push rod 41 is fixedly connected with the push plate 42, the left end and the right end of the push plate 42 are connected with the scraping plate 43 through telescopic sleeves, the belt conveying roller 44 is installed at the upper end of the scraping plate 43, and the material receiving box 45 is arranged on the side wall of the scraping plate 43. During specific work, the electric push rod 41 drives the push plate 42 to move downwards, so that the scraper plate 43 is driven to move downwards to be attached to the surface of the calendering roller 31, rubber adhered to the surface of the calendering roller 31 is scraped, and the scraped rubber is conveyed to the material receiving box 45 through the belt conveying roller 44.

The cooling device 5 comprises a water tank 51, a first high-pressure water pump 52, a telescopic pipeline 53, a water cavity 54 and a second high-pressure water pump 55, wherein the water tank 51 is arranged on the upper end face of the outside of the frame 1, the water tank 51 comprises a hot water tank 511, a warm water tank 512 and a cold water tank 513, and the water tank 51 is used for cooling the rubber subjected to calendering step by water with different temperatures, preventing the rubber subjected to calendering from being damaged by internal structure due to temperature shock, thereby affecting the calendering quality of the rubber, the first high-pressure water pump 52 is installed on the right side of the water tank 51 through a water pump base, the water cavity 54 is respectively arranged inside the upper calendering roller 311 and the lower calendering roller 312, the second high-pressure water pump 55 is installed on the outer wall of the frame 1 on the right side of the lower calendering roller 312 through the water pump base, the lower end of the right side wall of the water tank 51 is connected with the water inlet of the first high-pressure water pump 52 through the telescopic pipeline 53, the water outlet of the The water outlet of the water cavity 54 in the upper calendering roll 311 is connected with the water inlet of the water cavity 54 in the lower calendering roll 312 through the telescopic pipeline 53, the water outlet of the water cavity 54 in the lower calendering roll 312 is connected with the water inlet of the second high-pressure water pump 55 through the telescopic pipeline 53, and the water outlet of the second high-pressure water pump 55 is connected with the upper end of the right side wall of the water tank 51 through the telescopic pipeline 53. During specific work, water in the water tank 51 is pressurized and conveyed to the water cavity 54 inside the calendering roller 31 through the first high-pressure water pump 52, and water in the water cavity 54 inside the lower calendering roller 312 is conveyed to the water tank 51 through the second high-pressure water pump 55, so that the purpose of water recycling is achieved.

The discharging device 6 comprises an electric conveying roller 61 and a bracket 62, wherein the bracket 62 is arranged on the right side of the frame body 1, and the electric conveying roller 61 is arranged at the upper end of the bracket 62. Specifically, the rolled rubber is conveyed by the electric conveying roller 61.

The invention comprises the following steps:

the first step is as follows: placing the preheated rubber on a feeding plate 21, driving the feeding plate 21 to incline rightwards through a feeding cylinder 22, so that the preheated rubber enters between an upper calendering roller 311 and a lower calendering roller 312, driving a driving gear 357 to rotate through a multi-stage rotating speed motor 356, driving a gear set 353 to rotate in the reverse direction, driving two roller shafts 32 to rotate in the reverse direction through the gear set 353, driving the upper calendering roller 311 and the lower calendering roller 312 to rotate in the reverse direction, and calendering the preheated rubber to produce a rubber sheet with an H-shaped section;

the second step is that: water with different temperatures in the water tank 51 is pressurized and conveyed to the water cavity 54 in the calendering roller 31 through the first high-pressure water pump 52, so that the upper calendering roller 311 and the lower calendering roller 312 can cool the rubber step by step in the calendering process, and the water in the water cavity 54 in the lower calendering roller 312 is conveyed to the water tank 51 through the second high-pressure water pump 55, so that the purpose of water recycling is achieved;

the third step: the electric push rod 41 drives the push plate 42 to move, so that the scraping plate 43 is driven to move to be attached to the surface of the calendering roller 31, rubber adhered to the surface of the calendering roller 31 is scraped in the rotation process of the calendering roller 31, the scraped rubber is conveyed to the material receiving box 45 through the belt conveying roller 44, and the calendered rubber sheet is conveyed rightwards through the electric conveying roller 61 for further cooling and processing;

the fourth step: the multistage rotating speed motor 356 is closed, the fixing block 352 is driven to move bidirectionally through the bidirectional movement of the bidirectional cylinder 351, so that the two roll shafts 32 and the gear sets 353 installed at the rear ends of the two roll shafts 32 are driven to move reversely, the distance between the upper calendering roller 311 and the lower calendering roller 312 is adjusted, meanwhile, the multistage rotating speed motor 356 is driven to move rightwards through the electric slider 355, so that the driving gear 357 is driven to move rightwards to be meshed with the gear sets 353, the multistage rotating speed motor 356 is started, the first step, the second step and the third step are repeated, so that rubber is calendered, and H-shaped films with different thicknesses are produced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rubber calender, includes framework (1), feed arrangement (2), calendering device (3), scraper (4), cooling device (5) and discharging device (6), its characterized in that: the left side of framework (1) be provided with feed arrangement (2), be provided with calendering device (3) in the middle of the inside of framework (1), scraper (4) are installed to both ends face about the inside of framework (1), the front end of framework (1) is provided with cooling device (5), discharging device (6) have been placed on the right side of framework (1), wherein:

the rolling device (3) comprises a rolling roller (31), two roller shafts (32), a baffle (33), a support rod (34) and an adjusting mechanism (35), wherein the two roller shafts (32) are installed in the front side wall and the rear side wall of the frame body (1) through bearings, the two roller shafts (32) are respectively connected with the rolling roller (31) through keys, the support rod (34) is fixedly connected to the front side wall and the rear side wall of the frame body (1) between the two roller shafts (32), the baffle (33) is fixedly connected to the right end of the support rod (34), and the adjusting mechanism (35) is arranged in the front side wall and the rear side wall of the frame body (1) between the two roller shafts;

the calendering roll (31) comprises an upper calendering roll (311) and a lower calendering roll (312), wherein the upper calendering roll (311) is arranged above the lower calendering roll (312);

the adjusting mechanism (35) comprises a bidirectional cylinder (351), a fixed block (352), a gear set (353), a mounting frame (354), an electric sliding block (355), a multi-stage rotating speed motor (356) and a driving gear (357), wherein the bidirectional cylinder (351) is symmetrically mounted inside the front side wall and the rear side wall of the frame body (1) through cylinder bases, the extending end of the bidirectional cylinder (351) is fixedly connected with the fixed block (352), the fixed block (352) is fixedly connected onto the two roll shafts (32), the gear set (353) is connected onto the extending end of the rear ends of the two roll shafts (32) through keys, the mounting frame (354) is arranged behind the frame body (1), a sliding groove is formed in the upper end face of the mounting frame (354), the electric sliding block (355) is mounted in the sliding groove, the multi-stage rotating speed motor (356) is mounted at the upper end of the electric sliding block (355), the driving gear (357) is meshed with the gear set (353) at the rear end of the two roll shafts (32);

the cooling device (5) comprises a water tank (51), a first high-pressure water pump (52), a telescopic pipeline (53), a water cavity (54) and a second high-pressure water pump (55), wherein the water tank (51) is arranged on the upper end face of the outside of the frame body (1), the first high-pressure water pump (52) is installed on the right side of the water tank (51) through a water pump base, the water cavities (54) are respectively formed in the upper calendering roll (311) and the lower calendering roll (312), the second high-pressure water pump (55) is installed on the outer wall of the frame body (1) on the right side of the lower calendering roll (312) through a water pump base, the lower end of the right side wall of the water tank (51) is connected with the water inlet of the first high-pressure water pump (52) through the telescopic pipeline (53), the water outlet of the first high-pressure water pump (52) is connected with the water inlet of the water cavity (54) in the upper calendering roll (311) through the telescopic pipeline (53), and the water outlet of the water cavity (54) in the upper calendering roll ( The water inlet of the water cavity (54) inside is connected, the water outlet of the water cavity (54) inside the lower extension roll (312) is connected with the water inlet of a second high-pressure water pump (55) through a telescopic pipeline (53), and the water outlet of the second high-pressure water pump (55) is connected with the upper end of the right side wall of the water tank (51) through the telescopic pipeline (53).

2. A rubber calender as defined in claim 1, wherein: feed arrangement (2) include feed plate (21) and feeding cylinder (22), wherein the right-hand member of feed plate (21) be connected through round pin axle and the left side wall in framework (1), the below slope of feed plate (21) is provided with feeding cylinder (22), the lower extreme of feeding cylinder (22) passes through the cylinder pedestal and installs on the left side wall of framework (1), the end fixed connection that stretches out of feeding cylinder (22) is at the left end of feed plate (21).

3. A rubber calender as defined in claim 2, wherein: the front end and the rear end of the feeding plate (21) are provided with material blocking shoulders.

4. A rubber calender as defined in claim 1, wherein: the baffle (33) is connected with the inner side wall of the calendering roller (31) in a sliding way.

5. A rubber calender as defined in claim 1, wherein: scraper (4) including electric putter (41), push pedal (42), scrape flitch (43), belt conveying roller (44) and receipts workbin (45), wherein the inside about both ends face-mounting of framework (1) have electric putter (41), the end fixedly connected with push pedal (42) that stretches out of electric putter (41), both ends are connected with through telescopic tube and scrape flitch (43) about push pedal (42), belt conveying roller (44) are installed to the upper end of scraping flitch (43), are provided with on the lateral wall of scraping flitch (43) and receive workbin (45).

6. A rubber calender as defined in claim 1, wherein: the water tank (51) comprises a hot water tank (511), a warm water tank (512) and a cold water tank (513).

7. A rubber calender as defined in claim 1, wherein: the discharging device (6) comprises an electric conveying roller (61) and a support (62), wherein the support (62) is arranged on the right side of the frame body (1), and the electric conveying roller (61) is installed at the upper end of the support (62).