Polyethylene waterproof roll calendaring forming defoaming equipment

The integration of a vacuum degassing system and automatic feeding mechanism in polyethylene sheet production equipment addresses bubble-related defects, enhancing product quality and machine usability.

CN223099770UActive Publication Date: 2025-07-15WEIFANG FUQUN NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202422079554.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-07-15
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

Existing polyethylene calendering and forming equipment is prone to defects without defoaming, poor product quality, and polyethylene raw materials are not easily rolled between press rollers, making the machine less easy to use.

Method used

A debuzzing device is set up for vacuum debuzzing, and the polyethylene raw material is rolled into the pressing roller through a rotating device, combining the distance adjustment and cutting device to improve the calendering effect.

Benefits of technology

Reduce calendering defects, improve product quality, and improve machine ease of use, automatically remove finished product burrs, and improve overall production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sheet polyethylene product production, in particular to a polyethylene waterproof roll calendaring forming defoaming device which is used for carrying out vacuum defoaming on polyethylene raw materials by arranging a defoaming device, so that calendaring defects are reduced, and the product quality is improved. By arranging the rotating device, polyethylene raw materials can be conveniently wound between the pressing rollers, and the usability of the machine is improved; comprising a body; the device comprises a machine body and further comprises a defoaming device, a distance adjusting device, a rotating device, two distance adjusting calendering devices and a cutting device, the defoaming device, the distance adjusting device and the cutting device are all installed on the machine body, the rotating device is installed on the distance adjusting device, and the two distance adjusting calendering devices are both installed on the rotating device; the machine body provides support, the defoaming device conducts defoaming extrusion on polyethylene raw materials, the distance adjusting device adjusts the distance between the two distance adjusting calendaring devices, the rotating device rotates the distance adjusting calendaring devices, the distance adjusting calendaring devices conduct calendaring forming on polyethylene, and the cutting device cuts finished products to remove burrs.
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Description

Technical Field

[0001] The utility model relates to the technical field of the production of thin polyethylene products, in particular to a defoaming device for calendering and forming polyethylene waterproof coiled materials. Background Art

[0002] Polyethylene is a thermoplastic resin obtained by polymerizing ethylene. When processing polyethylene, calendering equipment is usually used.

[0003] For example, in a class of prior art represented by the utility model patent of a polyethylene three-roll calendering forming device with the publication number CN220946320U, its main structure includes a first calender roll, a second calender roll and an adjustment hole. The first calender roll and the second calender roll cooperate to calender polyethylene raw materials, and the adjustment hole facilitates adjusting the distance between the first calender roll and the second calender roll.

[0004] However, the existing technical equipment still has the following problems when in use: the polyethylene raw materials are not defoamed, which is likely to cause defects during the calendering process, resulting in poor product quality, and it is not easy to roll the polyethylene raw materials between the calender rolls, making the machine less user-friendly. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a defoaming device for calendering and forming polyethylene waterproof coiled materials, which performs vacuum defoaming on polyethylene raw materials through the setting of a defoaming device, reduces calendering defects, improves product quality, and facilitates rolling the polyethylene raw materials between the calender rolls through the setting of a rotating device, thus improving the user-friendliness of the machine.

[0006] A defoaming device for calendering and forming polyethylene waterproof coiled materials of the utility model includes a fuselage; it also includes a defoaming device, a distance adjustment device, a rotating device, two distance-adjustable calendering devices and a cutting device. The defoaming device, the distance adjustment device and the cutting device are all installed on the fuselage, the rotating device is installed on the distance adjustment device, and the two distance-adjustable calendering devices are both installed on the rotating device; the fuselage provides support, the defoaming device performs defoaming and extrusion on polyethylene raw materials, the distance adjustment device adjusts the distance between the two distance-adjustable calendering devices, the rotating device rotates the distance-adjustable calendering devices, the distance-adjustable calendering devices perform calendering and forming on polyethylene, and the cutting device cuts the finished product to remove burrs.

[0007] Preferably, the fuselage includes a plurality of columns, a bottom plate, four first brackets, two second brackets and a third bracket. The bottom plate is installed at the top of the plurality of columns, the four first brackets, the two second brackets and the third bracket are all installed at the top of the bottom plate, and the four first brackets are respectively located on the left and right sides of the third bracket, the two second brackets are both located on one side of the third bracket, and the third bracket is located in the middle of the top of the bottom plate; providing support.

[0008] Preferably, the defoaming device includes an extruder and a vacuum pump. The extruder is installed at the top of the third bracket, and the vacuum pump is installed at the top of the extruder. The extruder stores the polyethylene raw material and extrudes the polyethylene raw material, and the vacuum pump provides a vacuum environment for vacuum defoaming treatment of the polyethylene raw material.

[0009] Preferably, the distance adjustment device includes a first optical bar, two lead screws, two fourth brackets, two handwheels, two second optical bars and two fifth brackets. The first optical bar is rotatably installed on the two first brackets on the right side. The two lead screws are respectively rotatably installed on the two handwheels and the two second brackets on the right side. The two fourth brackets are respectively slidably installed on the first optical bar and the two lead screws, and the two fourth brackets are respectively in threaded cooperation with the two lead screws. The two handwheels are respectively installed at the front and rear ends of the two first brackets on the right side, and the two handwheels are respectively connected to the two lead screws. The two second optical bars are both rotatably installed on the two first brackets on the left side. The two fifth brackets are both slidably installed on the two second optical bars, and the two fourth brackets and the two fifth brackets are respectively connected to the distance adjustment calendering device through two rotating devices. The cooperation of the first optical bar, the lead screw and the fourth bracket converts the rotation of the lead screw into the forward and backward movement of the fourth bracket. The handwheel facilitates the rotation of the lead screw. Before extrusion, first rotate the rear handwheel to adjust the distance between the rear distance adjustment calendering device and the extruder, which is convenient for the polyethylene raw material to be wound on the distance adjustment calendering device. Then rotate the front handwheel to adjust the distance between the two distance adjustment calendering devices and adjust the calendering thickness.

[0010] Preferably, the rotating device includes four sixth brackets, two groups of seventh brackets, four eighth brackets, two groups of ninth brackets, two internal gears, two gears, two first reducers, two first motors and two tenth brackets. The two sixth brackets are respectively rotatably installed at the right ends of the two fifth brackets, and the other two sixth brackets are respectively rotatably installed at the left ends of the two fourth brackets through the two tenth brackets. The two groups of eighth brackets are respectively installed at the right ends of the two sixth brackets on the left side, and the two groups of ninth brackets are respectively installed at the left ends of the two sixth brackets on the right side. The four eighth brackets are respectively installed on the two groups of eighth brackets and the two groups of ninth brackets, and the four eighth brackets are all located between the two groups of eighth brackets and the two groups of ninth brackets. Sliding grooves are provided on the four eighth brackets. The two internal gears are respectively installed at the right ends of the two sixth brackets on the right side. The two gears are respectively installed at the left ends of the two first reducers, and the two internal gears are respectively in threaded cooperation with the two gears. The two first reducers are respectively installed on the tops of the two fourth brackets. The first motor provides power, and the power is transmitted through the first reducer, the gear and the internal gear to make the eighth bracket rotate. The rotation of the eighth bracket drives the distance adjustment calendering device to rotate, and the rotation of the distance adjustment calendering device facilitates the calendering of the polyethylene raw material.

[0011] Preferably, the distance-adjusting calendering device includes a first bushing, a second bushing, two calendering rollers, an eleventh bracket, a second motor, a coil spring, a twelfth bracket, three sprockets, a chain, a linear motor, a thirteenth bracket, and a first rotating shaft. The first bushing is slidably installed in the sliding groove of an eighth bracket on the left side. The second bushing is fixedly installed at the right end of the same eighth bracket. The two calendering rollers are respectively rotatably installed on the first bushing and the second bushing. The eleventh bracket is installed at the right end of an eighth bracket on the right side. The second motor is installed on the eleventh bracket, and the second motor provides power to one of the calendering rollers. The coil spring is installed at the right end of the same calendering roller. The twelfth bracket is installed on the coil spring. The three sprockets are respectively rotatably installed at the right ends of the two calendering rollers and the front end of the twelfth bracket. The chain is installed on the three sprockets. The linear motor is installed at the right end of an eighth bracket on the right side. The thirteenth bracket is installed on the linear motor. The first rotating shaft is rotatably installed on the thirteenth bracket, and the first rotating shaft is connected to one of the sprockets. And the calendering roller installed at the second bushing is on the right side and is provided with power by the second motor. The power is transmitted through the sprockets and the chain to drive the two calendering rollers to rotate. The calendering rollers rotate to calender the polyethylene raw material. The linear motor provides power to drive the calendering rollers to move along the sliding groove. When the calendering rollers move, the twelfth bracket tensions the chain, and the coil spring provides a tensioning force to the twelfth bracket. Before calendering, the distance between the calendering rollers is adjusted by the linear motor to adjust the calendering thickness.

[0012] Preferably, the cutting device includes two fourteenth brackets, a conveyor belt, two fifteenth brackets, a second rotating shaft, two cutting knives, a second reducer, and a third motor. The two fourteenth brackets are both installed at the top end of the bottom plate. The conveyor belt is installed on the two fourteenth brackets. The two fifteenth brackets are respectively installed on the two fourteenth brackets. The second rotating shaft is rotatably installed on the two fifteenth brackets. The two cutting knives are installed on the second rotating shaft. The second reducer is installed on one of the fifteenth brackets. The third motor is fixedly installed on the second reducer, and both the second reducer and the third motor are located outside the two fourteenth brackets. The third motor provides power to the second rotating shaft through the second reducer; the third motor provides power, and the power is transmitted through the second reducer and the second rotating shaft to drive the second rotating shaft to rotate. The second rotating shaft rotates to cut the finished product to remove burrs.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: It can perform vacuum defoaming on the polyethylene raw material before calendering, reduce calendering defects, and the product quality is relatively high; and it can automatically roll the polyethylene raw material between the calendering rollers, and the machine is relatively easy to use; and it can automatically remove the burrs of the finished product to improve the product quality. Description of the Drawings

[0014] Figure 1 is the axonometric structure schematic diagram of the present utility model;

[0015] Figure 2 is the axonometric structure schematic diagram of the fuselage;

[0016] Figure 3 is the axonometric structure schematic diagram of the defoaming device;

[0017] Figure 4 It is an axonometric structural schematic diagram of a distance adjustment device and a rotating device;

[0018] Figure 5 It is an axonometric structural schematic diagram of a distance adjustment and calendering device;

[0019] Figure 6 It is an axonometric structural schematic diagram of a cutting device.

[0020] Reference numerals in the drawings: 01, fuselage; 11, column; 12, bottom plate; 13, first bracket; 14, second bracket; 15, third bracket; 02, defoaming device; 21, extruder; 22, vacuum pump; 03, distance adjustment device; 31, first optical bar; 32, lead screw; 33, fourth bracket; 34, handwheel; 35, second optical bar; 36, fifth bracket; 04, rotating device; 41, sixth bracket; 42, seventh bracket; 43, eighth bracket; 44, ninth bracket; 45, internal gear; 46, gear; 47, first reducer; 48, first motor; 49, tenth bracket; 05, distance adjustment and calendering device; 51, first bushing; 52, second bushing; 53, calendering roll; 54, eleventh bracket; 55, second motor; 56, coil spring; 57, twelfth bracket; 58, sprocket; 59, chain; 71, linear motor; 72, thirteenth bracket; 73, first rotating shaft; 06, cutting device; 61, fourteenth bracket; 62, conveyor belt; 63, fifteenth bracket; 64, second rotating shaft; 65, cutter; 66, second reducer; 67, third motor. Detailed implementation manners

[0021] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive. Embodiment 1

[0022] As Figure 1 shown, it includes a fuselage 01; it further includes a defoaming device 02, a distance adjustment device 03, a rotating device 04, two distance adjustment and calendering devices 05 and a cutting device 06. The defoaming device 02, the distance adjustment device 03 and the cutting device 06 are all installed on the fuselage 01, the rotating device 04 is installed on the distance adjustment device 03, and the two distance adjustment and calendering devices 05 are both installed on the rotating device 04; the fuselage 01 provides support, the defoaming device 02 defoams and extrudes the polyethylene raw material, the distance adjustment device 03 adjusts the distance between the two distance adjustment and calendering devices 05, the rotating device 04 rotates the distance adjustment and calendering devices 05, the distance adjustment and calendering devices 05 calender the polyethylene into a shape, and the cutting device 06 cuts the finished product to remove burrs;

[0023] As Figure 2As shown, the fuselage 01 includes a plurality of columns 11, a bottom plate 12, four first brackets 13, two second brackets 14, and a third bracket 15. The bottom plate 12 is installed at the top ends of the plurality of columns 11. The four first brackets 13, the two second brackets 14, and the third bracket 15 are all installed at the top end of the bottom plate 12. The four first brackets 13 are respectively located on the left and right sides of the third bracket 15. The two second brackets 14 are both located on one side of the third bracket 15. The third bracket 15 is located in the middle of the top end of the bottom plate 12;

[0024] As Figure 3 shown, the defoaming device 02 includes an extruder 21 and a vacuum pump 22. The extruder 21 is installed at the top end of the third bracket 15. The vacuum pump 22 is installed at the top end of the extruder 21;

[0025] As Figure 4 shown, the distance adjusting device 03 includes a first optical bar 31, two lead screws 32, two fourth brackets 33, two handwheels 34, two second optical bars 35, and two fifth brackets 36. The first optical bar 31 is rotatably installed on the two first brackets 13 on the right side. The two lead screws 32 are respectively rotatably installed on the two handwheels 34 and the two second brackets 14 on the right side. The two fourth brackets 33 are respectively slidably installed on the first optical bar 31 and the two lead screws 32, and the two fourth brackets 33 are respectively in threaded cooperation with the two lead screws 32. The two handwheels 34 are respectively installed at the front and rear ends of the two first brackets 13 on the right side, and the two handwheels 34 are respectively connected to the two lead screws 32. The two second optical bars 35 are both rotatably installed on the two first brackets 13 on the left side. The two fifth brackets 36 are both slidably installed on the two second optical bars 35, and the two fourth brackets 33 and the two fifth brackets 36 are respectively connected by two rotating devices 04 and a distance adjusting calendering device 05;

[0026] As Figure 4As shown, the rotating device 04 includes four brackets six 41, two groups of brackets seven 42, four brackets eight 43, two groups of brackets nine 44, two internal gears 45, two gears 46, two speed reducers one 47, two motors one 48 and two brackets ten 49. The two brackets six 41 are respectively rotatably installed at the right ends of the two brackets five 36, and the other two brackets six 41 are respectively rotatably installed at the left ends of the two brackets four 33 through the two brackets ten 49. The two groups of brackets eight 43 are respectively installed at the right ends of the two left-side brackets six 41, and the two groups of brackets nine 44 are respectively installed at the left ends of the two right-side brackets six 41. The four brackets eight 43 are respectively installed on the two groups of brackets eight 43 and the two groups of brackets nine 44, and all four brackets eight 43 are located between the two groups of brackets eight 43 and the two groups of brackets nine 44. Sliding grooves are provided on all four brackets eight 43. The two internal gears 45 are respectively installed at the right ends of the two right-side brackets six 41. The two gears 46 are respectively installed at the left ends of the two speed reducers one 47, and the two internal gears 45 are respectively in threaded cooperation with the two gears 46. The two speed reducers one 47 are respectively installed at the tops of the two brackets four 33. The two motors one 48 are respectively fixedly installed at the right ends of the two speed reducers one 47, and the two motors one 48 respectively transmit power to the two gears 46 through the two speed reducers one 47;

[0027] As Figure 5 shown, the distance-adjusting calendering device 05 includes a bushing one 51, a bushing two 52, two calendering rolls 53, a bracket eleven 54, a motor two 55, a coil spring 56, a bracket twelve 57, three sprockets 58, a chain 59, a linear motor 71, a bracket thirteen 72 and a rotating shaft one 73. The bushing one 51 is slidably installed in the sliding groove of a left-side bracket eight 43. The bushing two 52 is fixedly installed at the right end of the same bracket eight 43. The two calendering rolls 53 are respectively rotatably installed on the bushing one 51 and the bushing two 52. The bracket eleven 54 is installed at the right end of a right-side bracket eight 43. The motor two 55 is installed on the bracket eleven 54, and the motor two 55 provides power to one calendering roll 53. The coil spring 56 is installed at the right end of the same calendering roll 53. The bracket twelve 57 is installed on the coil spring 56. The three sprockets 58 are respectively rotatably installed at the right ends of the two calendering rolls 53 and the front end of the bracket twelve 57. The chain 59 is installed on the three sprockets 58. The linear motor 71 is installed at the right end of a right-side bracket eight 43. The bracket thirteen 72 is installed on the linear motor 71. The rotating shaft one 73 is rotatably installed on the bracket thirteen 72, and the rotating shaft one 73 is connected to one sprocket 58, and the calendering roll 53 installed at the bushing two 52 is in sliding cooperation with the sliding groove of a right-side bracket eight 43; The two distance-adjusting calendering devices 05 are respectively installed on the four brackets eight 43;

[0028] First, put the polyethylene raw material into the extruder 21. Then, turn on the vacuum pump 22. The vacuum pump 22 provides a vacuum environment to conduct vacuum defoaming treatment on the polyethylene raw material. Next, turn on the first motor 48. The first motor 48 provides power, and the power is transmitted through the first reducer 47, the gear 46, and the internal gear 45 to rotate the eighth bracket 43, making the adjustable-distance calendering device 05 rotate so that the connection line of the two calendering rolls 53 is perpendicular to the horizontal plane. After that, first rotate the rear handwheel 34 to adjust the distance between the rear adjustable-distance calendering device 05 and the extruder 21, facilitating the winding of the polyethylene raw material on the adjustable-distance calendering device 05. Then, rotate the front handwheel 34 to adjust the distance between the two adjustable-distance calendering devices 05 and adjust the calendering thickness. At the same time, turn on the linear motor 71. The linear motor 71 provides power to drive the calendering roll 53 to move along the sliding groove, adjusting the distance between the two calendering rolls 53 and adjusting the calendering thickness. When the polyethylene raw material covers the two lower calendering rolls 53, turn on the first motor 48. The first motor 48 provides power, and the power is transmitted through the first reducer 47, the gear 46, and the internal gear 45 to rotate the eighth bracket 43, making the adjustable-distance calendering device 05 rotate so that the connection line of the two calendering rolls 53 is parallel to the horizontal plane, and winding the polyethylene raw material on the four calendering rolls 53. After that, turn on the second motor 55. The second motor 55 provides power, and the power is transmitted through the sprocket 58 and the chain 59 to drive the two calendering rolls 53 to rotate, and the calendering rolls 53 rotate to conduct calendering on the polyethylene raw material. Example 2

[0029] On the basis of Example 1, it further includes:

[0030] As Figure 6 shown, the cutting device 06 includes two fourteenth brackets 61, a conveyor belt 62, two fifteenth brackets 63, a second rotating shaft 64, two cutters 65, a second reducer 66, and a third motor 67. The two fourteenth brackets 61 are both installed at the top end of the bottom plate 12. The conveyor belt 62 is installed on the two fourteenth brackets 61. The two fifteenth brackets 63 are respectively installed on the two fourteenth brackets 61. The second rotating shaft 64 is rotatably installed on the two fifteenth brackets 63. The two cutters 65 are installed on the second rotating shaft 64. The second reducer 66 is installed on one of the fifteenth brackets 63. The third motor 67 is fixedly installed on the second reducer 66, and both the second reducer 66 and the third motor 67 are located outside the two fourteenth brackets 61. The third motor 67 provides power to the second rotating shaft 64 through the second reducer 66;

[0031] First, put the polyethylene raw material into the extruder 21. Then, turn on the vacuum pump 22. The vacuum pump 22 provides a vacuum environment to conduct vacuum defoaming treatment on the polyethylene raw material. Next, turn on the first motor 48. The first motor 48 provides power, and the power is transmitted through the first reducer 47, the gear 46, and the internal gear 45 to make the eighth bracket 43 rotate, causing the distance-adjustable calendering device 05 to rotate and keeping the connection line of the two calendering rolls 53 perpendicular to the horizontal plane. After that, first rotate the rear handwheel 34 to adjust the distance between the rear distance-adjustable calendering device 05 and the extruder 21, facilitating the winding of the polyethylene raw material on the distance-adjustable calendering device 05. Then, rotate the front handwheel 34 to adjust the distance between the two distance-adjustable calendering devices 05 and adjust the calendering thickness. At the same time, turn on the linear motor 71. The linear motor 71 provides power to drive the calendering roll 53 to move along the sliding groove and adjust the distance between the two calendering rolls 53 to adjust the calendering thickness. When the polyethylene raw material covers the two lower calendering rolls 53, turn on the first motor 48. The first motor 48 provides power, and the power is transmitted through the first reducer 47, the gear 46, and the internal gear 45 to make the eighth bracket 43 rotate, causing the distance-adjustable calendering device 05 to rotate and keeping the connection line of the two calendering rolls 53 parallel to the horizontal plane, winding the polyethylene raw material on the four calendering rolls 53. After that, turn on the second motor 55. The second motor 55 provides power, and the power is transmitted through the sprocket 58 and the chain 59 to drive the two calendering rolls 53 to rotate. The rotation of the calendering rolls 53 calenders the polyethylene raw material. Then, turn on the third motor 67. The third motor 67 provides power, and the power is transmitted through the second reducer 66 and the second rotating shaft 64 to drive the second rotating shaft 64 to rotate. The rotation of the second rotating shaft 64 cuts the finished product to remove the burrs.

[0032] Such as Figures 1 to 6As shown in the figure, for a defoaming device for calendering and forming polyethylene waterproof coiled materials of the present utility model, during operation, first, polyethylene raw materials are placed in the extruder 21. Then, the vacuum pump 22 is turned on. The vacuum pump 22 provides a vacuum environment to perform vacuum defoaming treatment on the polyethylene raw materials. Next, the first motor 48 is turned on. The first motor 48 provides power, and the power is transmitted through the first reducer 47, the gear 46, and the internal gear 45 to make the eighth bracket 43 rotate, causing the distance-adjusting calendering device 05 to rotate and keep the connection line of the two calendering rollers 53 perpendicular to the horizontal plane. Then, first rotate the rear handwheel 34 to adjust the distance between the rear distance-adjusting calendering device 05 and the extruder 21, facilitating the winding of the polyethylene raw materials on the distance-adjusting calendering device 05. Then, rotate the front handwheel 34 to adjust the distance between the two distance-adjusting calendering devices 05 and adjust the calendering thickness. At the same time, turn on the linear motor 71. The linear motor 71 provides power to drive the calendering roller 53 to move along the sliding groove and adjust the distance between the two calendering rollers 53 to adjust the calendering thickness. When the polyethylene raw materials cover the two calendering rollers 53 below, turn on the first motor 48. The first motor 48 provides power, and the power is transmitted through the first reducer 47, the gear 46, and the internal gear 45 to make the eighth bracket 43 rotate, causing the distance-adjusting calendering device 05 to rotate and keep the connection line of the two calendering rollers 53 parallel to the horizontal plane, winding the polyethylene raw materials on the four calendering rollers 53. Then, turn on the second motor 55. The second motor 55 provides power, and the power is transmitted through the sprocket 58 and the chain 59 to drive the two calendering rollers 53 to rotate. The rotation of the calendering rollers 53 calenders the polyethylene raw materials. Then, turn on the third motor 67. The third motor 67 provides power, and the power is transmitted through the second reducer 66 and the second rotating shaft 64 to drive the second rotating shaft 64 to rotate. The rotation of the second rotating shaft 64 cuts the finished product to remove the burrs.

[0033] The extruder 21, the vacuum pump 22, the two lead screws 32, the two internal gears 45, the two gears 46, the two first motors 48, the two second motors 55, the coil spring 56, the three sprockets 58, the chain 59, the linear motor 71, the two cutters 65, and the third motor 67 of the present utility model are purchased on the market. Those skilled in the art only need to install and operate according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0034] The main functions achieved by the present utility model are as follows: By setting up the defoaming device 02 to perform vacuum defoaming on the polyethylene raw materials, reducing calendering defects and improving product quality. And by setting up the rotating device 04, it is convenient to roll the polyethylene raw materials into the gap between the calendering rollers, improving the usability of the machine; solving the existing technical problems that the polyethylene raw materials are not defoamed, are prone to defects during calendering, have poor product quality, and are not easy to roll the polyethylene raw materials into the gap between the calendering rollers, resulting in poor usability of the machine.

[0035] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A calendering and defoaming device for polyethylene waterproof coiled materials, comprising a fuselage (01); characterized in that, It also includes a defoaming device (02), a distance adjustment device (03), a rotating device (04), two distance adjustment calendering devices (05) and a cutting device (06). The defoaming device (02), the distance adjustment device (03) and the cutting device (06) are all installed on the fuselage (01). The rotating device (04) is installed on the distance adjustment device (03), and the two distance adjustment calendering devices (05) are both installed on the rotating device (04). The fuselage (01) provides support. The defoaming device (02) defoams and extrudes the polyethylene raw material. The distance adjustment device (03) adjusts the distance between the two distance adjustment calendering devices (05). The rotating device (04) rotates the distance adjustment calendering devices (05). The distance adjustment calendering devices (05) calender and form the polyethylene. The cutting device (06) cuts the finished product to remove the burrs.

2. The calendering and defoaming device for polyethylene waterproof coiled material according to claim 1, characterized in that, The fuselage (01) includes a plurality of columns (11), a bottom plate (12), four first brackets (13), two second brackets (14) and a third bracket (15). The bottom plate (12) is installed at the top of the plurality of columns (11). The four first brackets (13), the two second brackets (14) and the third bracket (15) are all installed at the top of the bottom plate (12). And the four first brackets (13) are respectively located on the left and right sides of the third bracket (15). The two second brackets (14) are both located on one side of the third bracket (15). The third bracket (15) is located in the middle of the top of the bottom plate (12).

3. The calendering and defoaming equipment for polyethylene waterproof coiled material according to claim 2, characterized in that, The defoaming device (02) includes an extruder (21) and a vacuum pump (22). The extruder (21) is installed at the top of the third bracket (15). The vacuum pump (22) is installed at the top of the extruder (21).

4. The calendering and defoaming device for polyethylene waterproof coiled material according to claim 2, wherein The distance adjustment device (03) includes a first optical bar (31), two lead screws (32), two fourth brackets (33), two handwheels (34), two second optical bars (35) and two fifth brackets (36). The first optical bar (31) is rotatably installed on the two first brackets (13) on the right side. The two lead screws (32) are respectively rotatably installed on the two handwheels (34) on the right side and the two second brackets (14). The two fourth brackets (33) are respectively slidably installed on the first optical bar (31) and the two lead screws (32). And the two fourth brackets (33) are respectively in threaded cooperation with the two lead screws (32). The two handwheels (34) are respectively installed at the front and rear ends of the two first brackets (13) on the right side. And the two handwheels (34) are respectively connected to the two lead screws (32). The two second optical bars (35) are both rotatably installed on the two first brackets (13) on the left side. The two fifth brackets (36) are both slidably installed on the two second optical bars (35). And the two fourth brackets (33) and the two fifth brackets (36) are respectively connected to the distance adjustment calendering devices (05) through the two rotating devices (04).

5. The calendering and defoaming equipment for polyethylene waterproof coiled material according to claim 4, characterized in that, The rotating device (04) includes four brackets six (41), two groups of brackets seven (42), four brackets eight (43), two groups of brackets nine (44), two internal gears (45), two gears (46), two speed reducers one (47), two motors one (48) and two brackets ten (49). The two brackets six (41) are respectively rotatably installed at the right ends of the two brackets five (36), and the other two brackets six (41) are respectively rotatably installed at the left ends of the two brackets four (33) through the two brackets ten (49). The two groups of brackets eight (43) are respectively installed at the right ends of the two left-side brackets six (41), and the two groups of brackets nine (44) are respectively installed at the left ends of the two right-side brackets six (41). The four brackets eight (43) are respectively installed on the two groups of brackets eight (43) and the two groups of brackets nine (44), and the four brackets eight (43) are all located between the two groups of brackets eight (43) and the two groups of brackets nine (44). Sliding grooves are provided on all the four brackets eight (43). The two internal gears (45) are respectively installed at the right ends of the two right-side brackets six (41). The two gears (46) are respectively installed at the left ends of the two speed reducers one (47), and the two internal gears (45) are respectively in threaded cooperation with the two gears (46). The two speed reducers one (47) are respectively installed on the tops of the two brackets four (33).

6. The calendering and defoaming equipment for polyethylene waterproof coiled material as described in claim 5, characterized in that, The distance-adjusting calendering device (05) includes a bushing one (51), a bushing two (52), two calendering rollers (53), a bracket eleven (54), a motor two (55), a coil spring (56), a bracket twelve (57), three sprockets (58), a chain (59), a linear motor (71), a bracket thirteen (72) and a rotating shaft one (73). The bushing one (51) is slidably installed in the sliding groove of a left-side bracket eight (43), and the bushing two (52) is fixedly installed at the right end of the same bracket eight (43). The two calendering rollers (53) are respectively rotatably installed on the bushing one (51) and the bushing two (52). The bracket eleven (54) is installed at the right end of a right-side bracket eight (43). The motor two (55) is installed on the bracket eleven (54), and the motor two (55) provides power to one calendering roller (53). The coil spring (56) is installed at the right end of the same calendering roller (53). The bracket twelve (57) is installed on the coil spring (56). The three sprockets (58) are respectively rotatably installed at the right ends of the two calendering rollers (53) and the front end of the bracket twelve (57). The chain (59) is installed on the three sprockets (58). The linear motor (71) is installed at the right end of a right-side bracket eight (43). The bracket thirteen (72) is installed on the linear motor (71). The rotating shaft one (73) is rotatably installed on the bracket thirteen (72), and the rotating shaft one (73) is connected to one sprocket (58), and the calendering roller (53) installed at the bushing two (52) is in sliding cooperation with the sliding groove of a right-side bracket eight (43).

7. The calendering and defoaming device for polyethylene waterproof coiled material according to claim 2, wherein, The cutting device (06) includes two supports fourteen (61), a conveyor belt (62), two supports fifteen (63), a rotating shaft two (64), two cutting knives (65), a reducer two (66) and a motor three (67). Both of the two supports fourteen (61) are installed at the top of the bottom plate (12). The conveyor belt (62) is installed on the two supports fourteen (61). The two supports fifteen (63) are respectively installed on the two supports fourteen (61). The rotating shaft two (64) is rotatably installed on the two supports fifteen (63). The two cutting knives (65) are installed on the rotating shaft two (64). The reducer two (66) is installed on one of the supports fifteen (63). The motor three (67) is fixedly installed on the reducer two (66). And both the reducer two (66) and the motor three (67) are located outside the two supports fourteen (61). The motor three (67) provides power to the rotating shaft two (64) through the reducer two (66).

Citation Information

Patent Citations

  • A polyethylene three-roll calendering equipment

    CN220946320U