A plastic film calendering apparatus

Abstract

This utility model relates to the field of imaging equipment technology and discloses a plastic film calendering device, including an installation assembly. The installation assembly includes an installation frame, an infeed plate fixedly connected to the inner wall of the installation frame, and an outlet plate fixedly connected to the front end of the inner wall of the installation frame. This utility model uses a cylinder to drive a push rod to retract, pulling a fixed rod to slide along a limiting frame. A first connecting rod and a second connecting rod push the first and second infeed rollers away from each other. During the roller spacing adjustment process, the drive gear always maintains meshing with the first and second force-bearing gears. Simultaneously, the first and second connecting frames synchronously drive the first and second pressing rollers to translate. The coordinated operation of the cylinder and connecting rods achieves rapid and stable spacing adjustment. The constant meshing design of the gear set ensures uninterrupted material conveying during the spacing adjustment process. The synchronous translation of the pressing rollers adapts to the processing requirements of materials of different thicknesses, thereby improving the production continuity of the equipment.

Description

Technical Field

[0001] This utility model relates to the field of imaging equipment technology, and in particular to a plastic film calendering device. Background Technology

[0002] With the widespread application of plastic film in waterproof materials, packaging, agricultural covering and other fields, the plastic film needs to be uniformly calendered and its thickness adjusted during the plastic raw material molding and processing process, which requires the use of calendering equipment.

[0003] In practical use, calendering equipment with similar structures still has many defects, such as: the existing calendering equipment requires interruption of raw material feeding when adjusting the gap, which leads to production stagnation or uneven thickness. At the same time, the existing calendering equipment requires manual adjustment of the position of the rolling roller, which is prone to mismatch with the gap of the feed roller, affecting the uniformity of the film. Therefore, it is necessary to design a plastic film calendering equipment. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a plastic film calendering device.

[0005] This utility model is achieved using the following technical solution: a plastic film calendering device, comprising an installation assembly, the installation assembly including an installation frame, an infeed plate fixedly connected to the inner wall of the installation frame, an outlet plate fixedly connected to the front end of the inner wall of the installation frame, and a limit frame fixedly connected to the top of the inner wall of the installation frame, further comprising:

[0006] An adjustment assembly includes a cylinder fixedly connected to the top of the feed plate, a servo motor fixedly connected to the output end of the cylinder, a first feed roller slidably mounted inside the limit frame via a first connecting rod at the bottom of the servo motor, and a first pressing roller slidably mounted inside the limit frame on one side of the first feed roller via a first force-bearing gear.

[0007] The calendering assembly includes a second feed roller disposed on top of a first feed roller via a second connecting rod, and a second pressing roller slidably mounted inside a limiting frame on one side of the second feed roller via a second connecting frame.

[0008] As a further improvement to the above solution, a push rod is fixedly connected to the output end of the cylinder, a servo motor is fixedly connected to the outer surface of the push rod, a fixing rod is fixedly connected to the side of the outer surface of the push rod away from the servo motor, and a drive gear is fixedly connected to the output end of the servo motor through the fixing rod.

[0009] Through the above technical solution, the rigid connection between the push rod and the fixed rod ensures that the cylinder thrust is directly transmitted to the transmission core, avoiding the motor from deviating due to uneven force; the sliding guide function of the fixed rod improves the stability of the pitch adjustment process.

[0010] As a further improvement to the above solution, a first connecting rod is rotatably mounted on the outer surface of the fixed rod, and the side of the first connecting rod away from the fixed rod is rotatably mounted on the outer surface of the first limiting block, and the first limiting block is slidably mounted inside the limiting frame.

[0011] Through the above technical solution, the rotation design of the connecting rod converts the linear motion of the fixed rod into the translation of the first feed roller. The limiting block constrains the motion trajectory of the connecting rod, prevents the roller from deviating, and ensures the adjustment accuracy.

[0012] As a further improvement to the above solution, a first feed roller is fixedly connected to the outer surface of the first limiting block, and a first force-bearing gear is fixedly connected to the outer surface of the first feed roller, and the first force-bearing gear meshes with the drive gear.

[0013] Through the above technical solution, the gear meshing transmits the torque of the servo motor to the feed roller, and the reverse rotation design enhances the stability of raw material conveying; the constant meshing characteristic ensures continuous power transmission during the pitch adjustment process.

[0014] As a further improvement to the above solution, a first connecting frame is fixedly connected to the side of the outer surface of the first feed roller away from the first force-bearing gear, and a first rolling roller is rotatably installed inside the first connecting frame, and the first rolling roller is slidably installed inside the limiting frame.

[0015] Through the above technical solution, the connecting frame enables the pressing roller and the feed roller to move synchronously, simplifying the transmission chain; the sliding limit design of the pressing roller adapts to the extrusion requirements of raw materials of different thicknesses.

[0016] As a further improvement to the above solution, a second connecting rod is rotatably mounted on the side of the outer surface of the fixed rod away from the first connecting rod, and the side of the second connecting rod away from the fixed rod is rotatably mounted on the outer surface of the second limiting block. The second limiting block is slidably mounted inside the limiting frame, and a second feed roller is fixedly connected to the outer surface of the second limiting block.

[0017] The above technical solutions achieve symmetrical design to balance the force on the equipment and avoid tilting caused by unilateral adjustment; the modular structure facilitates maintenance and expansion.

[0018] As a further improvement to the above solution, a second force-bearing gear is fixedly connected to the outer surface of the second feed roller, and the second force-bearing gear meshes with the drive gear. A second connecting frame is fixedly connected to the side of the outer surface of the second feed roller away from the second force-bearing gear. A second rolling roller is rotatably installed inside the second connecting frame, and the second rolling roller is slidably installed inside the limiting frame.

[0019] Through the above technical solution, the reverse meshing of the two gears enables the two feed rollers to rotate synchronously in opposite directions, forming a stable frictional force to clamp the raw material; the integrated design of the gear set reduces independent drive components and lowers the failure rate.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] This invention uses a servo motor to drive a drive gear to rotate, thereby causing the first and second feed rollers to rotate synchronously in opposite directions. This creates friction to clamp the plastic raw material. At the same time, the first and second pressing rollers work together to apply extrusion pressure. The counter-rotating feed rollers enhance the stability of the raw material conveying and prevent slippage or jamming. The linkage design of the pressing rollers simplifies the transmission structure and ensures that the extrusion pressure and conveying speed are matched, thereby improving the uniformity of film thickness and the quality of plasticizing.

[0022] This invention uses a cylinder to drive a push rod to retract, pulling a fixed rod to slide along a limiting frame. A first connecting rod and a second connecting rod push the first and second feed rollers away from each other. During roller spacing adjustment, the drive gear always meshes with the first and second force-bearing gears. Simultaneously, the first and second connecting frames synchronously drive the first and second pressing rollers to move horizontally. The coordinated operation of the cylinder and connecting rods achieves rapid and stable spacing adjustment. The constant meshing design of the gear set ensures uninterrupted material conveying during spacing adjustment. The synchronous horizontal movement of the pressing rollers adapts to the processing requirements of materials of different thicknesses, thereby improving the equipment's production continuity and process adaptability. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the limiting frame structure of this utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the roller of this utility model;

[0026] Figure 4 This is a schematic diagram of the calendering assembly structure of this utility model;

[0027] Figure 5 This is a schematic diagram of the adjustment component structure of this utility model.

[0028] Explanation of key symbols:

[0029] 1. Mounting components; 101. Mounting frame; 102. Feed plate; 103. Discharge plate; 104. Limiting frame; 2. Adjustment components; 201. Cylinder; 202. Push rod; 203. Servo motor; 204. Drive gear; 205. First connecting rod; 206. First limiting block; 207. First feed roller; 208. First force-bearing gear; 209. First connecting frame; 210. First rolling roller; 3. Calendering components; 301. Second connecting rod; 302. Second limiting block; 303. Second feed roller; 304. Second force-bearing gear; 305. Second connecting frame; 306. Second rolling roller; 4. Fixing rod. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0031] Example:

[0032] Please combine Figure 1-5 This embodiment of a plastic film calendering device includes a mounting assembly 1, which includes a mounting frame 101. An infeed plate 102 is fixedly connected to the inner wall of the mounting frame 101, an outlet plate 103 is fixedly connected to the front end of the inner wall of the mounting frame 101, and a limit frame 104 is fixedly connected to the top of the inner wall of the mounting frame 101. The device also includes:

[0033] Adjustment component 2 includes a cylinder 201 fixedly connected to the top of the feed plate 102. A servo motor 203 is fixedly connected to the output end of the cylinder 201. A first feed roller 207 is provided at the bottom of the servo motor 203 and is slidably installed inside the limit frame 104 via a first connecting rod 205. A first crushing roller 210 is slidably installed inside the limit frame 104 on one side of the first feed roller 207 via a first force-bearing gear 208.

[0034] The calendering assembly 3 includes a second feed roller 303 disposed on the top of the first feed roller 207 via a second connecting rod 301, and a second rolling roller 306 slidably mounted inside the limiting frame 104 via a second connecting frame 305 on one side of the second feed roller 303.

[0035] A push rod 202 is fixedly connected to the output end of the cylinder 201. A servo motor 203 is fixedly connected to the outer surface of the push rod 202. A fixing rod 4 is fixedly connected to the side of the outer surface of the push rod 202 away from the servo motor 203. A drive gear 204 is fixedly connected to the output end of the servo motor 203 through the fixing rod 4.

[0036] A first connecting rod 205 is rotatably mounted on the outer surface of the fixed rod 4. The side of the first connecting rod 205 away from the fixed rod 4 is rotatably mounted on the outer surface of the first limiting block 206. The first limiting block 206 is slidably mounted inside the limiting frame 104.

[0037] The outer surface of the first limiting block 206 is fixedly connected to the first feed roller 207, and the outer surface of the first feed roller 207 is fixedly connected to the first force-receiving gear 208, which meshes with the drive gear 204.

[0038] A first connecting frame 209 is fixedly connected to the side of the outer surface of the first feed roller 207 away from the first force-bearing gear 208. A first rolling roller 210 is rotatably installed inside the first connecting frame 209. The first rolling roller 210 is slidably installed inside the limiting frame 104.

[0039] Driven by the servo motor 203, the drive gear 204 rotates inside the fixed rod 4. At this time, since the first force-bearing gear 208 and the second force-bearing gear 304 mesh with the drive gear 204, the first force-bearing gear 208 and the second force-bearing gear 304 can rotate in opposite directions. This can drive the first feed roller 207 and the second feed roller 303 to apply a forward conveying force to the plastic raw material, so that the plastic raw material can be continuously conveyed into the first crushing roller 210 and the second crushing roller 306. The two rollers are driven to rotate in opposite directions by the servo motor 203, forming a frictional force to clamp the raw material and convey it in the discharge direction.

[0040] A second connecting rod 301 is rotatably mounted on the side of the outer surface of the fixed rod 4 away from the first connecting rod 205. The side of the second connecting rod 301 away from the fixed rod 4 is rotatably mounted on the outer surface of the second limiting block 302. The second limiting block 302 is slidably mounted inside the limiting frame 104. A second feed roller 303 is fixedly connected to the outer surface of the second limiting block 302.

[0041] A second force-receiving gear 304 is fixedly connected to the outer surface of the second feed roller 303. The second force-receiving gear 304 meshes with the drive gear 204. A second connecting frame 305 is fixedly connected to the side of the outer surface of the second feed roller 303 away from the second force-receiving gear 304. A second rolling roller 306 is rotatably installed inside the second connecting frame 305. The second rolling roller 306 is slidably installed inside the limiting frame 104.

[0042] The implementation principle of a plastic film calendering device in this embodiment is as follows: Plastic raw material is placed between the first feed roller 207 and the second feed roller 303, and connected to the first feed roller 210 via the second pressing roller 306. This prevents the plastic raw material from falling to the ground via the feed plate 102 and the discharge plate 103. Driven by the servo motor 203, the drive gear 204 rotates inside the fixed rod 4. Since the first force-bearing gear 208 and the second force-bearing gear 304 mesh with the drive gear 204, they can drive the first force-bearing gear 208 and the second force-bearing gear 304. 04. The rollers rotate in opposite directions, thereby driving the first feed roller 207 and the second feed roller 303 to apply a forward conveying force to the plastic raw material, which facilitates the continuous conveying of the plastic raw material to the first pressing roller 210 and the second pressing roller 306. The two rollers are driven to rotate in opposite directions by the servo motor 203, forming a frictional force to clamp the raw material and convey it in the discharge direction. At the same time, the first pressing roller 210 and the second pressing roller 306 apply extrusion force to the raw material to achieve plasticization and molding. The reverse rotation of the feed rollers enhances the stability of the raw material conveying, and the linkage design of the pressing rollers simplifies the transmission structure and improves the uniformity of film thickness.

[0043] When it is necessary to adjust the distance between the first feed roller 207 and the second feed roller 303, the cylinder 201 drives the push rod 202 to retract. Under the pull of the push rod 202, the fixed rod 4 slides closer to the cylinder 201 under the limit of the limit frame 104. At the same time, with the connection between the first connecting rod 205 and the second connecting rod 301, the first feed roller 207 and the second feed roller 303 can be pushed away from each other. Meanwhile, the drive gear 204 continues to mesh with the first force-bearing gear 208 and the second force-bearing gear 304 to ensure that even if The distance between the second feed roller 303 and the first feed roller 207 can be adjusted by using the servo motor 203 and the drive gear 204 to drive the first feed roller 207 and the second feed roller 303, ensuring the delivery of plastic raw materials. When the first feed roller 207 and the second feed roller 303 are adjusted, the first crushing roller 210 and the second crushing roller 306 can also be adjusted synchronously under the limit of the limit frame 104 due to the connection between the first connecting frame 209 and the second connecting frame 305, so that the device can crush plastic raw materials of different thicknesses.

[0044] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A plastic film calendering device, comprising an installation assembly (1), the installation assembly (1) including an installation frame (101), an infeed plate (102) fixedly connected to the inner wall of the installation frame (101), an outlet plate (103) fixedly connected to the front end of the inner wall of the installation frame (101), and a limit frame (104) fixedly connected to the top of the inner wall of the installation frame (101), characterized in that, Also includes: Adjustment component (2), the adjustment component (2) includes a cylinder (201) fixedly connected to the top of the feed plate (102), a servo motor (203) fixedly connected to the output end of the cylinder (201), a first feed roller (207) slidably installed inside the limit frame (104) via a first connecting rod (205) at the bottom of the servo motor (203), and a first crushing roller (210) slidably installed inside the limit frame (104) on one side of the first feed roller (207) via a first force-bearing gear (208); The calendering assembly (3) includes a second feed roller (303) disposed on the top of the first feed roller (207) via a second connecting rod (301), and a second rolling roller (306) slidably mounted inside the limiting frame (104) via a second connecting frame (305) on one side of the second feed roller (303).

2. A plastic film calendering apparatus as claimed in claim 1, characterized in that: The output end of the cylinder (201) is fixedly connected to a push rod (202), the outer surface of the push rod (202) is fixedly connected to a servo motor (203), the outer surface of the push rod (202) away from the servo motor (203) is fixedly connected to a fixing rod (4), and the output end of the servo motor (203) is fixedly connected to a drive gear (204) through the fixing rod (4).

3. A plastic film calendering apparatus as claimed in claim 2, characterized in that: The outer surface of the fixed rod (4) is rotatably mounted with a first connecting rod (205). The side of the first connecting rod (205) away from the fixed rod (4) is rotatably mounted on the outer surface of the first limiting block (206). The first limiting block (206) is slidably mounted inside the limiting frame (104).

4. A plastic film calendering apparatus as claimed in claim 3, characterized in that: The outer surface of the first limiting block (206) is fixedly connected to a first feeding roller (207), and the outer surface of the first feeding roller (207) is fixedly connected to a first force-receiving gear (208), which meshes with the drive gear (204).

5. A plastic film calendering apparatus as claimed in claim 4, characterized in that: A first connecting frame (209) is fixedly connected to the side of the outer surface of the first feed roller (207) away from the first force-bearing gear (208). A first rolling roller (210) is rotatably installed inside the first connecting frame (209). The first rolling roller (210) is slidably installed inside the limiting frame (104).

6. A plastic film calendering apparatus as claimed in claim 2, characterized in that: The second connecting rod (301) is rotatably mounted on the side of the outer surface of the fixed rod (4) away from the first connecting rod (205). The side of the second connecting rod (301) away from the fixed rod (4) is rotatably mounted on the outer surface of the second limiting block (302). The second limiting block (302) is slidably mounted inside the limiting frame (104). The second feed roller (303) is fixedly connected to the outer surface of the second limiting block (302).

7. A plastic film calendering apparatus as claimed in claim 6, characterized in that: A second force-receiving gear (304) is fixedly connected to the outer surface of the second feed roller (303). The second force-receiving gear (304) meshes with the drive gear (204). A second connecting frame (305) is fixedly connected to the side of the outer surface of the second feed roller (303) away from the second force-receiving gear (304). A second pressing roller (306) is rotatably installed inside the second connecting frame (305). The second pressing roller (306) is slidably installed inside the limiting frame (104).

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