Horizontal stabilizing and pressing mechanism for PVC continuous calendering

Abstract

The invention discloses a PVC continuous calendering horizontal stabilizing and pressing mechanism which comprises a bottom support, a distance adjusting assembly, a distance self-checking assembly, a horizontal detection assembly, a pretreatment assembly, a bottom pressing roller, a lower motor, a top support and a fine adjustment treatment assembly, and adjusting motors in the distance adjusting assembly are symmetrically arranged in the bottom support; according to the device, the distance between the pressing rollers is adjusted through the distance adjusting assembly, meanwhile, the distance self-detection assembly is matched for automatic detection, manual detection and adjustment are not needed, the labor cost is reduced, and meanwhile the calendaring parameter precision is guaranteed; the side connecting frame and the bottom compression roller are coaxially arranged, and before calendering, the levelness of the bottom compression roller and the top compression roller is guaranteed by acquiring pressure data through the levelness detection assembly and cooperating with the fine adjustment processing assembly, so that the calendering uniformity of the mechanism is improved; impurities on the pressing roller are removed through the pretreatment assembly before machining, the situation that the impurities scratch products in the calendering process is avoided, and therefore the practicability of the mechanism is improved.

Description

Technical Field

[0001] The invention relates to the technical field of PVC production, in particular to a PVC continuous calendering horizontal stabilization and pressing mechanism. Background Art

[0002] PVC (polyvinyl chloride) is a widely used thermoplastic plastic with strong chemical stability. It can resist acid, alkali, salt and various chemical solvents, has good strength, hardness and wear resistance, and excellent insulation performance. It is suitable for the electrical industry and can be processed by various processes, such as extrusion, injection molding, calendering, etc. Among them, calendering is one of the important processes for PVC material molding, which is mainly used to produce films, sheets and plates. The plasticized PVC melt is fed into the calender and calendered into films or sheets of required thickness and width through multiple groups of rollers. The existing calendering mechanism used for PVC production can basically meet the daily use needs, but the spacing between the rollers in the mechanism needs to be adjusted according to the processing requirements, and the adjusted horizontality is difficult to ensure, thereby affecting the uniformity of calendering production; at the same time, the compaction adjustment structure of the mechanism is simple, and the production process needs to be matched with manual detection and adjustment errors, which increases the labor cost and is difficult to ensure the parameter accuracy of calendering; and the functionality of the existing device is single, and the impurities remaining on the rollers before calendering production will scratch the product during calendering, thereby affecting the practicality of the mechanism; therefore, it is necessary to design a PVC continuous calendering horizontal stability and compaction mechanism. Summary of the invention

[0003] The object of the present invention is to provide a PVC continuous calendering horizontal stabilization and clamping mechanism to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a PVC continuous calendering horizontal stabilization and clamping mechanism, comprising a bottom bracket, a spacing adjustment component, a spacing self-detection component, a horizontal detection component, a pre-processing component, a bottom pressure roller, a lower motor, a top support, a fine-tuning processing component, a top pressure roller, an upper motor, a hydraulic box and a bottom plate, wherein the bottom bracket is symmetrically provided with an adjustment motor in the spacing adjustment component, the output end of the adjustment motor passes through the bottom bracket and is fixedly connected to the bottom end of the adjustment screw, and an adjustment frame is provided on the adjustment screw, and the bottom pressure roller is rotatably connected between the adjustment frames; the two ends of the bottom pressure roller are fixed on the output end of the lower motor, and the lower motor is fixed on the mounting plate. The mounting bracket is rotatably connected to a gear ring in a horizontal detection assembly, a side connecting frame is fixedly mounted on the gear ring, the side connecting frame is fixedly connected to the output end of a rotating motor, and the rotating motor is embedded and installed in grooves opened at both ends of a detection wheel, and pressure sensors are evenly arranged on the detection wheel; a top support is slidably connected to the bottom bracket, a first motor in a pre-processing assembly is embedded and installed in a groove opened on one side of the top support, a support arm is fixedly connected to the output end of the first motor, a fixed frame is fixedly connected between the support arms, a sliding bracket is slidably connected to the fixed frame, a processing motor is evenly arranged on the bottom of the sliding bracket, and a processing brush is fixedly connected to the output end of the processing motor.

[0005] As a further technical solution of the present invention, the spacing adjustment assembly is composed of an adjustment motor, an adjustment screw, an adjustment frame and a mounting bracket, and the adjustment screw and a ball nut embedded and installed inside the adjustment frame are mutually connected.

[0006] As a further technical solution of the present invention, the adjustment frame is slidably connected in the bottom bracket, and the bottom bracket is rotatably connected to the adjustment screw through a bearing, and the mounting bracket is slidably connected to both sides of the bottom bracket.

[0007] As a further technical solution of the present invention, the horizontal detection component is composed of a gear ring, a side connecting frame, a transmission gear, a transmission motor, a rotating motor, a detection wheel and a pressure sensor, and the gear ring is meshed with the transmission gear.

[0008] As a further technical solution of the present invention, the transmission motor is fixedly mounted on the mounting bracket, and the output end of the transmission motor passes through the mounting bracket and is fixed on the transmission gear.

[0009] As a further technical solution of the present invention, the first cylinder of the spacing self-detection component is embedded in the through groove opened on one side of the bottom bracket. The spacing self-detection component consists of the first cylinder, the second cylinder, detection contacts and a laser ranging unit. The laser ranging unit is fixed on the top of the bottom bracket.

[0010] As a further technical solution of the present invention, the output end of the first cylinder is fixedly connected to the second cylinder, and a detection contact is provided on the output end of the second cylinder.

[0011] As a further technical solution of the present invention, the pre-processing component is composed of a first motor, a support arm, a fixed frame, a sliding guide rail, a sliding cylinder, a sliding bracket, a processing motor and a processing brush. The fixed frame is provided with a sliding guide rail, and a sliding cylinder is provided on the sliding guide rail. The sliding cylinder is fixedly connected to one side of the sliding bracket.

[0012] As a further technical solution of the present invention, the bottom of the top support is respectively provided with a first support block and a second support block in a fine-tuning processing component, and the fine-tuning processing component is composed of a first support block, a second support block, a fixed block, a fine-tuning block, a fine-tuning hydraulic cylinder and a rotating frame. The first support block is fixedly installed with a fixed block, and the second support block is embedded with a fine-tuning hydraulic cylinder. The output end of the fine-tuning hydraulic cylinder is fixedly connected to the fine-tuning block, and the fine-tuning block is slidably connected to the second support block. The fixed block and the fine-tuning block are both rotatably connected to the rotating frame, and a top pressure roller is connected to the rotating frame through bearing cooperation, and both ends of the top pressure roller are fixed to the output end of the upper motor, and the upper motor is fixed on the rotating frame.

[0013] As a further technical solution of the present invention, the top support is fixedly connected to the output end of the hydraulic box, and the hydraulic box is fixed on the bottom plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the PVC continuous calendering horizontal stabilization and clamping mechanism collects the distance between the fixed block and the bottom bracket through the laser distance measuring unit, and at the same time, the first cylinder drives the second cylinder to extend, and the output end of the second cylinder extends to collect the position of the bottom pressure roller relative to the bottom bracket through the detection contact, and then detects the distance between the bottom pressure roller and the top pressure roller, without manual detection and adjustment, reducing labor costs while ensuring the accuracy of calendering parameters; the entire mechanism is composed of the bottom bracket and the top support as the support mechanism for the bottom pressure roller and the top pressure roller respectively, and is installed on the side connecting frame through the detection wheel in the horizontal detection assembly, and the side connecting frame is coaxially arranged with the bottom pressure roller, and the pressure sensor on the detection wheel collects the horizontality between the bottom pressure roller and the top pressure roller before calendering. During the process, the transmission motor drives the transmission gear to rotate, and then drives the gear ring and the side connecting frame to rotate through the transmission gear, pressing the detection wheel against the top pressure roller, and then the rotating motor drives the detection wheel to rotate. While collecting the pressure, the fine-tuning hydraulic cylinder drives the fine-tuning block to move to adjust the horizontality, and cooperates with the data collected by the pressure sensor to ensure the horizontality of the bottom pressure roller and the top pressure roller, thereby ensuring the uniformity of the calendering of the mechanism; before processing, the first motor drives the support arm to flip and rotate the fixed frame to one side of the pressure roller, and then the sliding cylinder drives the sliding bracket to slide along the fixed frame, and at the same time the processing motor drives the processing brush to rotate, and cooperates with the upper motor and the lower motor to respectively drive the top pressure roller and the bottom pressure roller to rotate, so as to remove impurities on the pressure roller and prevent impurities from scratching the product during the calendering process, thereby improving the practicality of the mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0016] Figure 2 It is a partial structural side view of the present invention;

[0017] Figure 3 It is a three-dimensional diagram of a part of the structure of the present invention;

[0018] Figure 4 for Figure 3 A partial enlarged view of the middle A area;

[0019] Figure 5 It is a partial structural exploded diagram of the present invention;

[0020] Figure 6 for Figure 5 A partial enlarged view of the middle B area;

[0021] Figure 7 for Figure 5 A partial enlarged view of the middle C area;

[0022] Figure 8 for Figure 5 A partial enlarged view of the D area in the middle;

[0023] In the figure: 1. bottom bracket; 2. spacing adjustment component; 3. spacing self-checking component; 4. level detection component; 5. pre-processing component; 6. bottom pressure roller; 7. lower motor; 8. top support; 9. fine-tuning processing component; 10. top pressure roller; 11. upper motor; 12. hydraulic box; 13. bottom plate; 21. adjustment motor; 22. adjustment screw; 23. adjustment frame; 24. mounting bracket; 31. first cylinder; 32. second cylinder; 33. detection contact; 34. laser distance measurement Unit; 41. gear ring; 42. side connecting frame; 43. transmission gear; 44. transmission motor; 45. rotating motor; 46. detection wheel; 47. pressure sensor; 51. first motor; 52. support arm; 53. fixed frame; 54. sliding guide rail; 55. sliding cylinder; 56. sliding bracket; 57. processing motor; 58. processing brush; 91. first support block; 92. second support block; 93. fixed block; 94. fine-tuning block; 95. fine-tuning hydraulic cylinder; 96. rotating frame. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Please see attached Figure 1 -Attached Figure 8The present invention provides an embodiment: a PVC continuous calendering horizontal stabilization and clamping mechanism, comprising a bottom bracket 1, a spacing adjustment component 2, a spacing self-detection component 3, a horizontal detection component 4, a pre-processing component 5, a bottom pressure roller 6, a lower motor 7, a top support 8, a fine-tuning processing component 9, a top pressure roller 10, an upper motor 11, a hydraulic box 12 and a bottom plate 13, wherein the bottom bracket 1 is symmetrically provided with an adjustment motor 21 in the spacing adjustment component 2, the output end of the adjustment motor 21 passes through the bottom bracket 1 and is fixedly connected to the bottom end of the adjustment screw 22, and an adjustment frame 23 is provided on the adjustment screw 22, and the bottom pressure roller 6 is rotatably connected between the adjustment frames 23; the two ends of the bottom pressure roller 6 are fixed At the output end of the lower motor 7, and the lower motor 7 is fixed on the mounting bracket 24, the mounting bracket 24 is rotatably connected with the gear ring 41 in the horizontal detection component 4, the gear ring 41 is fixedly installed with a side connecting frame 42, the side connecting frame 42 is fixedly connected to the output end of the rotating motor 45, and the rotating motor 45 is embedded and installed in the grooves opened at both ends of the detection wheel 46, and the detection wheel 46 is evenly provided with pressure sensors 47; the bottom bracket 1 is slidably connected with the top support 8, the first motor 51 in the pre-processing component 5 is embedded and installed in the groove opened on one side of the top support 8, the output end of the first motor 51 is fixedly connected with the support arm 52, and the support arms 52 are fixedly connected with the fixing frame 53 , a sliding bracket 56 is slidably connected in the fixed frame 53, a processing motor 57 is evenly arranged at the bottom of the sliding bracket 56, and a processing brush 58 is fixedly connected to the output end of the processing motor 57; the spacing adjustment component 2 is composed of an adjustment motor 21, an adjustment screw 22, an adjustment frame 23 and a mounting bracket 24, and the adjustment screw 22 is connected to the ball nut embedded and installed inside the adjustment frame 23; the adjustment frame 23 is slidably connected to the bottom bracket 1, and the bottom bracket 1 is rotatably connected to the adjustment screw 22 through a bearing, and the mounting bracket 24 is slidably connected to both sides of the bottom bracket 1; the horizontal detection component 4 is composed of a gear ring 41, a side connecting frame 42, a transmission gear 43, a transmission motor 44, a rotating motor The bottom bracket 1 is composed of a motor 45, a detection wheel 46 and a pressure sensor 47, and a transmission gear 43 is meshed in the gear ring 41; a transmission motor 44 is fixedly mounted on the mounting bracket 24, and the output end of the transmission motor 44 passes through the mounting bracket 24 and is fixed on the transmission gear 43; a first cylinder 31 in the spacing self-detection component 3 is embedded and installed in a through groove opened on one side of the bottom bracket 1, and the spacing self-detection component 3 is composed of a first cylinder 31, a second cylinder 32, a detection contact 33 and a laser distance measuring unit 34, and the laser distance measuring unit 34 is fixed on the top of the bottom bracket 1; the output end of the first cylinder 31 is fixedly connected to the second cylinder 32, and a detection contact 33 is provided on the output end of the second cylinder 32;The pre-processing component 5 is composed of a first motor 51, a support arm 52, a fixed frame 53, a sliding guide rail 54, a sliding cylinder 55, a sliding bracket 56, a processing motor 57 and a processing brush 58. The sliding guide rail 54 is arranged in the fixed frame 53, and the sliding guide rail 54 is provided with a sliding cylinder 55. The sliding cylinder 55 is fixedly connected to one side of the sliding bracket 56; the bottom of the top support 8 is respectively provided with a first support block 91 and a second support block 92 of the fine-tuning processing component 9. The fine-tuning processing component 9 is composed of a first support block 91, a second support block 92, a fixed block 93, a fine-tuning block 94, a fine-tuning hydraulic cylinder 95 and a rotating frame 96. The fixed block 93 is fixedly installed in the first support block 91. A fine-tuning hydraulic cylinder 95 is embedded and installed in the second support block 92, and the output end of the fine-tuning hydraulic cylinder 95 is fixedly connected to the fine-tuning block 94, and the fine-tuning block 94 is slidably connected to the second support block 92. The fixed block 93 and the fine-tuning block 94 are both rotatably connected to the rotating frame 96, and the rotating frame 96 is connected to the top pressure roller 10 through the bearing. The two ends of the top pressure roller 10 are fixed to the output end of the upper motor 11, and the upper motor 11 is fixed to the rotating frame 96; the top support 8 is fixedly connected to the output end of the hydraulic box 12, and the hydraulic box 12 is fixed to the bottom plate 13. The top support 8 is lifted by the hydraulic box 12 during the later detection of the mechanism, which is convenient for workers to detect. ;

[0026] Working principle: When in use, the laser distance measuring unit 34 is used to collect the distance between the fixed block 93 and the bottom bracket 1, and at the same time, the first cylinder 31 drives the second cylinder 32 to extend, and the output end of the second cylinder 32 extends to collect the position of the bottom pressure roller 6 relative to the bottom bracket 1 through the detection contact 33, and then detects the distance between the bottom pressure roller 6 and the top pressure roller 10. No manual detection and adjustment is required, which reduces labor costs and ensures the accuracy of calendering parameters; the entire mechanism is composed of the bottom bracket 1 and the top support 8 as the support mechanism for the bottom pressure roller 6 and the top pressure roller 10 respectively, and is installed on the side connecting frame 42 through the detection wheel 46 in the horizontal detection component 4. At the same time, the side connecting frame 42 is coaxially arranged with the bottom pressure roller 6. Before calendering, the pressure sensor 47 on the detection wheel 46 collects the horizontality between the bottom pressure roller 6 and the top pressure roller 10. During the process, the transmission motor 44 drives the transmission gear 43 to rotate. Then, the transmission gear 43 drives the gear ring 41 and the side connecting frame 42 to rotate, and presses the detection wheel 46 against the top pressure roller 10. Then, the rotating motor 45 drives the detection wheel 46 to rotate. While collecting the pressure, the fine-tuning hydraulic cylinder 95 drives the fine-tuning block 94 to move and adjust the horizontality. The data collected by the pressure sensor 47 is coordinated to ensure the horizontality of the bottom pressure roller 6 and the top pressure roller 10, thereby ensuring the uniformity of the calendering of the mechanism. Before processing, the first motor 51 drives the support arm 52 to flip, and the fixed frame 53 is rotated to one side of the pressure roller. Then, the sliding cylinder 55 drives the sliding bracket 56 to slide along the fixed frame 53. At the same time, the processing motor 57 drives the processing brush 58 to rotate, and cooperates with the upper motor 11 and the lower motor 7 to respectively drive the top pressure roller 10 and the bottom pressure roller 6 to rotate, so as to remove impurities on the pressure rollers and prevent impurities from scratching the product during the calendering process, thereby improving the practicability of the mechanism.

[0027] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A PVC continuous calendering horizontal stabilization and pressing mechanism, comprising a bottom bracket (1), a spacing adjustment component (2), a spacing self-detection component (3), a horizontal detection component (4), a pre-processing component (5), a bottom pressure roller (6), a lower motor (7), a top support (8), a fine-tuning processing component (9), a top pressure roller (10), an upper motor (11), a hydraulic box (12) and a bottom plate (13), characterized in that: The bottom bracket (1) is symmetrically provided with an adjusting motor (21) in the spacing adjusting assembly (2); the output end of the adjusting motor (21) passes through the bottom bracket (1) and is fixedly connected to the bottom end of the adjusting screw (22); an adjusting frame (23) is provided on the adjusting screw (22); a bottom pressure roller (6) is rotatably connected between the adjusting frames (23); both ends of the bottom pressure roller (6) are fixed to the output end of the lower motor (7); the lower motor (7) is fixed to the mounting bracket (24); a gear ring (41) in the horizontal detection assembly (4) is rotatably connected to the mounting bracket (24); a side connecting frame (42) is fixedly installed on the gear ring (41); the side connecting frame (42) is fixedly connected to the output end of the rotating motor (45); The output end of the detection wheel (46) is provided, and the rotating motor (45) is embedded in the grooves provided at both ends of the detection wheel (46), and the detection wheel (46) is evenly provided with pressure sensors (47); the bottom bracket (1) is slidably connected with the top support (8), and the first motor (51) in the pre-processing component (5) is embedded in the groove provided on one side of the top support (8), the output end of the first motor (51) is fixedly connected with the support arm (52), the support arms (52) are fixedly connected with the fixed frame (53), the fixed frame (53) is slidably connected with the sliding bracket (56), the bottom of the sliding bracket (56) is evenly provided with a processing motor (57), and the output end of the processing motor (57) is fixedly connected with a processing brush (58).

2. A PVC continuous calendering horizontal stabilization and clamping mechanism according to claim 1, characterized in that: The spacing adjustment component (2) is composed of an adjustment motor (21), an adjustment screw (22), an adjustment frame (23) and a mounting bracket (24); the adjustment screw (22) and a ball nut embedded and installed inside the adjustment frame (23) are mutually matched and connected.

3. A PVC continuous calendering horizontal stabilization and clamping mechanism according to claim 2, characterized in that: The adjustment frame (23) is slidably connected in the bottom bracket (1), and the bottom bracket (1) is rotatably connected to the adjustment screw (22) via a bearing, and the mounting bracket (24) is slidably connected to both sides of the bottom bracket (1).

4. A PVC continuous calendering horizontal stabilization and clamping mechanism according to claim 1, characterized in that: The horizontal detection assembly (4) is composed of a gear ring (41), a side connecting frame (42), a transmission gear (43), a transmission motor (44), a rotating motor (45), a detection wheel (46) and a pressure sensor (47), and the gear ring (41) is meshed with the transmission gear (43).

5. A PVC continuous calendering horizontal stabilization and pressing mechanism according to claim 4, characterized in that: The transmission motor (44) is fixedly mounted on the mounting bracket (24), and the output end of the transmission motor (44) passes through the mounting bracket (24) and is fixed on the transmission gear (43).

6. A PVC continuous calendering horizontal stabilization and pressing mechanism according to claim 3, characterized in that: A first cylinder (31) in a spacing self-detection component (3) is embedded in a through slot formed on one side of the bottom bracket (1); the spacing self-detection component (3) is composed of a first cylinder (31), a second cylinder (32), a detection contact (33) and a laser distance measurement unit (34); and the laser distance measurement unit (34) is fixed on the top of the bottom bracket (1).

7. A PVC continuous calendering horizontal stabilization and pressing mechanism according to claim 6, characterized in that: The output end of the first cylinder (31) is fixedly connected to the second cylinder (32), and a detection contact (33) is provided on the output end of the second cylinder (32).

8. The PVC continuous calendering horizontal stabilization and clamping mechanism according to claim 1, characterized in that: The pre-processing component (5) is composed of a first motor (51), a support arm (52), a fixed frame (53), a sliding guide rail (54), a sliding cylinder (55), a sliding bracket (56), a processing motor (57) and a processing brush (58); the sliding guide rail (54) is arranged in the fixed frame (53); the sliding guide rail (54) is arranged on the sliding cylinder (55); the sliding cylinder (55) is fixedly connected to one side of the sliding bracket (56).

9. The PVC continuous calendering horizontal stabilization and pressing mechanism according to claim 1, characterized in that: The bottom of the top support (8) is respectively provided with a first support block (91) and a second support block (92) in a fine-tuning processing assembly (9), wherein the fine-tuning processing assembly (9) is composed of a first support block (91), a second support block (92), a fixed block (93), a fine-tuning block (94), a fine-tuning hydraulic cylinder (95) and a rotating frame (96), wherein the first support block (91) is fixedly installed with the fixed block (93), and the second support block (92) is embedded with the fine-tuning hydraulic cylinder (95). 95), the output end of the fine-tuning hydraulic cylinder (95) is fixedly connected to the fine-tuning block (94), the fine-tuning block (94) is slidably connected to the second support block (92), the fixed block (93) and the fine-tuning block (94) are both rotatably connected to a rotating frame (96), the rotating frame (96) is connected to a top pressure roller (10) through a bearing, the two ends of the top pressure roller (10) are fixed to the output end of the upper motor (11), and the upper motor (11) is fixed to the rotating frame (96).

10. A PVC continuous calendering horizontal stabilization and pressing mechanism according to claim 9, characterized in that: The top support (8) is fixedly connected to the output end of the hydraulic box (12), and the hydraulic box (12) is fixed on the bottom plate (13).

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