Connecting rod lifting device of casting roller frame

Abstract

The utility model discloses a connecting rod lifting device of a tape casting roller frame, which comprises a tape casting roller component and a connecting rod lifting mechanism supported below the tape casting roller component, the connecting rod lifting mechanism comprises a driving component, a plurality of transfer shaft components and a plurality of lifter components, the lifter components are arranged on two sides of the tape casting roller component, and the transfer shaft components are arranged on the transfer shaft components. The elevator assemblies on the same side are connected through the transfer shaft assembly, and the driving assembly is arranged at one end of the casting roller assembly and used for driving the multiple elevator assemblies to ascend and descend synchronously. According to the connecting rod lifting device disclosed by the utility model, the control on the vertical distance between the lip of the die head and the casting roller is realized, and the problems of multiple crystal points, untimely cooling, wrinkling of the sheet and the like during initial forming of the sheet are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of film production equipment, in particular to a connecting rod lifting device of a casting roller frame. Background Art

[0002] In the production of dry uniaxially stretched films, the casting equipment is to quickly cool the melt extruded from the die head onto the uniformly rotating casting roller to below its phase separation temperature, and then the melt forms a sheet rich in microporous structure and uniform thickness. From the appearance point of view, the quality of the sheet is mainly reflected in the shape, size, and appearance quality of the sheet, which are the main factors determining the apparent quality of the film: from a microscopic point of view, it mainly reflects the crystallization state of the sheet, the orientation of the molecular chain, the degradation of the melt, etc. These are the main factors determining the physical, mechanical, electrical and other properties of the film and the product yield, and are also the key part of the casting process to produce high-quality films. The vertical distance between the die lip and the casting roller has a great influence on the film shaping quality and the change in the film width. If the distance is too large, the extruded melt cannot be quenched in time, resulting in an increase in the crystal points of the film and being easily affected by external factors.

[0003] Therefore, it is necessary to provide a connecting rod lifting device for a casting roller frame to solve the above problems. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a connecting rod lifting device for a casting roller frame, which has a simple structure and is easy to operate. It realizes the control of the vertical distance between the die head lip and the casting roller, and solves the problems of many crystal points, untimely cooling, and sheet wrinkles during the initial forming of the sheet.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A connecting rod lifting device for a casting roller frame comprises a casting roller assembly and a connecting rod lifting mechanism supported below the casting roller assembly, wherein the connecting rod lifting mechanism comprises a driving assembly, a plurality of intermediate shaft assemblies and a plurality of elevator assemblies, the elevator assemblies are arranged on both sides of the casting roller assembly, and the elevator assemblies on the same side are connected through the intermediate shaft assembly, the driving assembly is arranged at one end of the casting roller assembly, and the driving assembly is used to drive the plurality of elevator assemblies to rise and fall synchronously.

[0007] As a further improvement of the above technical solution, the casting roller assembly includes a casting roller and a roller frame, the upper end of the roller frame is provided with a mounting slot, and rotating bearings are installed at both ends of the casting roller, and the rotating bearings are fixed in the slot.

[0008] As a further improvement of the above technical solution, the roller frame includes a wall panel and a cross beam, the wall panel is fixedly connected to the two ends of the cross beam, and the drive assembly is connected to the cross beam, a plurality of commutators are arranged at the end of the casting roller assembly, the commutator is connected to the wall panel or the cross beam, and the elevator assembly is fixedly connected to the end of the wall panel.

[0009] As a further improvement of the above technical solution, the drive assembly includes a drive motor, a motor mounting base and a protective cover, the drive motor is mounted on the motor mounting base, the motor mounting base is fixedly connected to the crossbeam, the output end of the drive motor is connected to the commutator, and the protective cover is arranged above the connection between the drive motor and the commutator.

[0010] As a further improvement of the above technical solution, the elevator assembly includes an elevator, a linear sliding assembly, a fixed seat and a connecting seat. The elevator is fixedly connected to the wall panel through the fixed seat, the connecting seat is fixedly connected to the lower end of the elevator, the linear sliding assembly is fixedly connected to the wall panel, and the connecting seat is connected to the linear sliding assembly. The elevator is connected to the drive motor, and the drive motor drives the elevator to drive the fixed seat and the wall panel to move up and down along the linear sliding assembly.

[0011] As a further improvement of the above technical solution, the elevator is configured as a worm gear elevator, including a worm gear, a transmission nut, a screw and a housing, the worm gear and the transmission nut are arranged in the housing, the worm gear is connected to the drive motor, and the worm gear is meshed with the transmission nut for transmission, the screw is passed through the transmission nut, and the lower end of the screw is connected to the connecting seat, and the housing is connected to the fixed seat.

[0012] As a further improvement of the above technical solution, the linear sliding assembly includes a linear guide rail, a slider and a connecting plate. The linear guide rail is fixedly connected to the wall panel, the two ends of the connecting plate are slidably connected to the linear guide rail through the slider, and the connecting seat is connected to the side end of the connecting plate.

[0013] As a further improvement of the above technical solution, positioning blocks are provided at both ends of the linear guide rail, and positioning screws are provided on the positioning blocks.

[0014] As a further improvement of the above technical solution, a limit key, an installation through hole and a locking piece are provided on the side end of the fixing seat, a limit groove and a fixing screw hole are provided on the wall panel, the limit key is clamped in the limit groove, and the locking piece passes through the installation through hole and is fixedly locked in the fixing screw hole.

[0015] As a further improvement of the above technical solution, the rotating shaft assembly includes a rotating shaft, a bearing seat, a connecting sleeve and a supporting base frame. Both ends of the rotating shaft are inserted into the bearing seat, and a guard is provided on one side of the bearing seat. The connecting sleeve is fixedly connected to the end of the rotating shaft, and the rotating shaft is connected to the turbine worm gear. The supporting base frame is arranged at the lower end of the bearing seat, and the supporting base frame is fixedly connected to the wall panel.

[0016] The beneficial effect of the utility model is as follows: the utility model arranges four turbine worm gear elevators at both ends of the casting roller frame, connects the turbine worm gears through connecting rods and couplings to ensure synchronization during lifting, and connects the drive motor to the elevator through a commutator, so that the drive motor can drive the elevator to lift and lower, thereby adjusting the overall position height of the casting roller assembly to achieve control of the vertical distance between the die head lip and the casting roller, thereby solving the problems of many crystal points, untimely cooling, and sheet wrinkles during the initial forming of the sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a structural schematic diagram of the connecting rod lifting device of the utility model;

[0019] Figure 2 It is a front view structural diagram of the connecting rod lifting device of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the connecting rod lifting mechanism of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the lift assembly of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the rotating shaft assembly of the utility model.

[0023] 1. Casting roller assembly; 11. Casting roller; 12. Roller frame; 121. Wall panel; 122. Crossbeam; 123. Mounting slot; 13. Rotating bearing; 2. Connecting rod lifting mechanism; 3. Driving assembly; 31. Driving motor; 32. Motor mounting seat; 33. Protective cover; 4. Transfer shaft assembly; 41. Transfer shaft; 42. Bearing seat; 43. Connecting sleeve; 44. Support frame; 45. Side guard; 5. Lifter assembly; 51. Lifter; 52. Linear sliding assembly; 521. Linear guide rail; 522. Sliding block; 523. Connecting plate; 524. Positioning block; 525. Positioning screw; 53. Fixing seat; 531. Limit key; 532. Mounting through hole; 54. Connecting seat; 6. Commutator; 7. Universal coupling; 8. Plum blossom coupling. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the fact that according to the specific implementation situation, a better connection structure can be formed by adding or reducing connection accessories. For example, fixed connection / fixed installation can be selected according to the needs of screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and other methods. For example, detachable connection can be selected according to the needs of screw connection, bolt connection, threaded connection, snap connection, mortise and tenon connection, Velcro connection and other methods. The various technical features in the creation of the utility model can be combined interactively without conflicting with each other.

[0025] Reference Figure 1 , Figure 2 A connecting rod lifting device for a casting roller frame comprises a casting roller assembly 1 and a connecting rod lifting mechanism 2. The connecting rod lifting mechanism 2 is fixedly connected to the lower end of the casting roller assembly 1. While supporting the casting roller assembly 1, the connecting rod lifting mechanism 2 can drive the casting roller assembly 1 to move up and down, thereby realizing the control of the vertical distance between the die head lip and the casting roller, so as to solve the problems of many crystal points, untimely cooling, and sheet wrinkles during the initial forming of the sheet.

[0026] Among them, the connecting rod lifting mechanism 2 includes a driving component 3, multiple transfer shaft components 4 and multiple elevator components 5. The multiple elevator components 5 are symmetrically arranged on both sides of the casting roller component 1, and the two elevator components 5 on the same side are connected by the transfer shaft component 4, so as to ensure the synchronization of the lifting of the multiple elevator components 5, so that the casting roller component 1 can be lifted and lowered stably; the driving component 3 is arranged in the middle of one end of the casting roller component 1, and multiple commutators 6 are arranged at the end of the casting roller component 1, and the commutator 6 and the driving component 3 are at the same end of the casting roller component 1. In this embodiment, three commutators 6 are arranged, and universal couplings 7 can be used to connect two adjacent commutators 6. The driving component 3 is connected to the commutator 6 located in the middle, and the commutators 6 on both sides are connected to the two elevator components 5 located at the same end of the casting roller component 1, so that the driving component 3 can transmit the rotational torque to the elevator component 5 through the commutator 6 and the coupling, so that the elevator component 5 can be lifted and lowered to adjust the height of the casting roller 11.

[0027] Reference Figure 2 In an embodiment of the utility model, the casting roller assembly 1 includes a casting roller 11 and a roller frame 12, wherein the roller frame 12 includes a wall panel 121 and a crossbeam 122. In this embodiment, the crossbeam 122 can be made of square steel, and two crossbeams 122 are arranged between the wall panels 121, one for fixing the drive motor 31, and the other for fixing the converter 6; at the same time, a mounting slot 123 is arranged at the upper end of the wall panel 121, and rotating bearings 13 are installed at both ends of the casting roller 11, and the rotating bearings 13 are clamped and fixed in the mounting slots 123, and the casting roller 11 is normally installed on the roller frame 12, so that the casting roller 11 and the roller frame 12 are connected. The roller frame 12 forms an integral whole, and the driving assembly 3 is fixed on the crossbeam 122. The commutator 6 located in the middle of the casting roller assembly 1 is fixed on the crossbeam 122. The commutators 6 located on both sides of the casting roller assembly 1 are fixedly connected to the wall panel 121. The elevator assembly 5 is also fixedly connected to the end of the wall panel 121. After the commutator 6 located in the middle of the casting roller assembly 1 is connected to the driving assembly 3, it is connected to the commutators on both sides through the universal coupling 7. The commutators on both sides are connected to the elevator assembly 5 through the plum blossom coupling 8, so that the driving assembly 3 drives the elevator assembly 5 to move, and the elevator then drives the casting roller assembly 1 to move up and down.

[0028] Reference Figure 3 In an embodiment of the utility model, the driving assembly 3 includes a driving motor 31, a motor mounting seat 32 and a protective cover 33. The driving motor 31 is mounted on the motor mounting seat 32, and the motor mounting seat 32 is fixedly connected to the side end of the beam 122. The output end of the driving motor 31 is connected to the commutator 6 through a plum blossom coupling 8, so that the driving force of the driving motor 31 can be transmitted through the commutator 6, thereby driving the elevator to rise and fall. At the same time, the protective cover 33 is arranged above the connection between the driving motor 31 and the commutator 6 to protect the driving motor 31 from pollutants such as dust.

[0029] Reference Figure 3 , Figure 4In an embodiment of the utility model, the lift assembly 5 includes a lift 51, a linear sliding assembly 52, a fixing seat 53 and a connecting seat 54, wherein a limit key 531, a mounting through hole 532 and a locking member are arranged at the side end of the fixing seat 53, and a limit slot and a fixing screw hole are arranged on the wall panel 121. When the lift is installed and fixed, the limit key 531 is clamped in the limit slot, and the mounting through hole 532 is aligned with the fixing screw hole, and the locking member is used to pass through the mounting through hole 532 and lock it in the fixing screw hole, wherein the limit key 531 includes a longitudinal key and a transverse key, the longitudinal key plays an auxiliary positioning role, and the transverse key plays a role in enhancing the bearing capacity; in addition, the connecting The seat 54 is fixedly connected to the lower end of the elevator 51, and can be connected to other equipment through the connecting seat 54 to install and fix the casting roller assembly 1; the linear sliding assembly 52 is fixedly connected to the wall panel 121, and the connecting seat 54 is connected to the side end of the linear sliding assembly 52, and the elevator 51 is connected to the driving motor 31. When the casting roller is lifted and lowered, the connecting seat 54 does not move, and the driving motor 31 drives multiple elevators 51 to drive the casting roller assembly 1 connected to the upper end of the elevator, the driving assembly, and the transfer shaft assembly 4 connected between the elevator assemblies 5 to slide along the linear sliding assembly 52 as a whole. The linear sliding assembly 52 plays the role of lifting and lowering guide, thereby enhancing the stability of the structural lifting and lowering.

[0030] Specifically, the elevator 51 is configured as a worm gear elevator, including a worm gear, a transmission nut, a screw and a housing. The worm gear and the transmission nut are arranged in the housing. The worm gear is connected to the drive motor 31, and the worm gear is meshed with the transmission nut for transmission. The screw is inserted into the transmission nut so that the transmission nut can be driven to move on the screw when the worm gear rotates. At the same time, the lower end of the screw is connected to the connecting seat 54, and the lower end of the connecting seat 54 is fixedly connected to the mounting frame of the device, and the housing is connected to the fixed seat 53. When lifting, the connecting seat 54 is fixed and the transmission nut rotates. The dynamic lifting drives the fixed seat 53 to move up and down, and then drives the entire casting roller assembly 1 to move up and down, so as to adjust the position height of the casting roller 11; in addition, a connecting sleeve is provided at the end of the worm gear, and the worm gear is connected to the universal coupling 7 through the connecting sleeve, and the other end of the universal coupling is connected to the transfer shaft 41 through the connecting sleeve, so that the two elevators 51 on the same side are connected to ensure synchronous lifting; at the same time, when the elevator 51 is connected to the commutator 6, the worm gear is connected to the plum blossom coupling 8 through the connecting sleeve, so that the driving force of the drive motor 31 is transmitted to the worm gear elevator to complete the lifting position adjustment.

[0031] Specifically, the linear sliding assembly 52 includes a linear guide rail 521, a slider 522 and a connecting plate 523. The linear guide rail 521 is fixedly connected to the wall panel 121. The two ends of the connecting plate 523 are slidably connected to the linear guide rail 521 through the slider 522. At the same time, positioning blocks 524 are arranged at both ends of the linear guide rail 521. The positioning blocks 524 are provided with positioning screws 525. The positioning screws 525 can prevent the slider 522 from sliding out of the linear guide rail 521, and also limit the lifting range of the worm gear elevator. The connecting seat 54 is connected to the side end of the connecting plate 523, so that the linear sliding assembly 52 plays a guiding role in the lifting of the elevator, and at the same time enhances the stability of the structural lifting.

[0032] Reference Figure 5 In an embodiment of the utility model, the rotating shaft assembly 4 includes a rotating shaft 41, a bearing seat 42, a connecting sleeve 43 and a supporting frame 44. Both ends of the rotating shaft 41 are inserted into the bearing seat 42, and a retaining edge 45 is provided on one side of the bearing seat 42, which can limit and fix the rotating shaft 41 to prevent the rotating shaft 41 from moving left and right during rotation; the connecting sleeve 43 is fixedly connected to the end of the rotating shaft 41, so that the rotating shaft 41 is connected to the universal coupling through the connecting sleeve 43, and then connected to the worm gear of the elevator through the universal coupling, thereby ensuring the synchronous lifting of the elevator; the supporting frame 44 is arranged at the lower end of the bearing seat 42, and the supporting frame 44 is connected to the wall panel 121, the rotating shaft assembly 4 is installed and fixed, and at the same time, it is ensured that the rotating shaft assembly 4 can be synchronously lifted and lowered with the casting roller assembly 1, thereby ensuring the stability of the structural operation.

[0033] The working principle of the utility model is as follows: when the ascending action needs to be realized, the driving motor 31 rotates forward, and drives the output shaft of the commutator 6 located in the middle of the casting roller assembly 1 to rotate forward through the plum blossom coupling 8, drives the universal coupling 7 connected to the left side of the commutator 6 and the universal coupling 7 on the right side to rotate forward synchronously, and then transmits the power to the commutator 6 located at the two ends of the casting roller assembly 1. After the commutation, the power is transmitted to the front end of the turbine worm elevator through the plum blossom coupling 8, and the power is transmitted to the universal coupling 7 and the transfer shaft assembly 4 in sequence again, and finally transmitted to the turbine worm elevator arranged at the rear end. While the driving motor 31 rotates forward to drive the connecting rod to rotate forward, the turbine worm elevators at all four sides perform vertical ascending motion, and the fixed seat 53 connected to the outside of the transmission nut will synchronously drive the wallboard 121 to perform vertical ascending motion, so far, the ascending motion of the casting roller assembly 1 as a whole is completed. When the vertical descending motion needs to be realized, the lifting motor can be reversed, and the specific movement direction of the connecting rod is opposite to that during the ascending motion.

[0034] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A connecting rod lifting device for a casting roller frame, comprising a casting roller assembly and a connecting rod lifting mechanism supported below the casting roller assembly, characterized in that: The connecting rod lifting mechanism includes a driving assembly, multiple transfer shaft assemblies and multiple elevator assemblies. The elevator assemblies are arranged on both sides of the casting roller assembly, and the elevator assemblies on the same side are connected through the transfer shaft assembly. The driving assembly is arranged at one end of the casting roller assembly, and the driving assembly is used to drive the multiple elevator assemblies to rise and fall synchronously.

2. The connecting rod lifting device of the casting roller stand according to claim 1, characterized in that: The casting roller assembly comprises a casting roller and a roller frame, the upper end of the roller frame is provided with a mounting slot, and both ends of the casting roller are provided with rotating bearings, and the rotating bearings are fixed in the slots by clamping.

3. The connecting rod lifting device of the casting roller stand according to claim 2 is characterized in that: The roller frame includes a wall panel and a cross beam, the wall panel is fixedly connected to the two ends of the cross beam, and the driving assembly is connected to the cross beam. A plurality of commutators are arranged at the end of the casting roller assembly, and the commutators are connected to the wall panel or the cross beam. The elevator assembly is fixedly connected to the end of the wall panel.

4. The connecting rod lifting device of the casting roller stand according to claim 3 is characterized in that: The driving assembly includes a driving motor, a motor mounting seat and a protective cover. The driving motor is mounted on the motor mounting seat, the motor mounting seat is fixedly connected to the crossbeam, the output end of the driving motor is connected to the commutator, and the protective cover is arranged above the connection between the driving motor and the commutator.

5. The connecting rod lifting device of the casting roller stand according to claim 4 is characterized in that: The elevator assembly includes an elevator, a linear sliding assembly, a fixed seat and a connecting seat. The elevator is fixedly connected to the wall panel via the fixed seat. The connecting seat is fixedly connected to the lower end of the elevator. The linear sliding assembly is fixedly connected to the wall panel, and the connecting seat is connected to the linear sliding assembly. The elevator is connected to the drive motor, and the drive motor drives the elevator to drive the fixed seat and the wall panel to move up and down along the linear sliding assembly.

6. The connecting rod lifting device of the casting roller stand according to claim 5, characterized in that: The elevator is configured as a worm gear elevator, including a worm gear, a transmission nut, a screw and a housing. The worm gear and the transmission nut are disposed in the housing. The worm gear is connected to the drive motor, and the worm gear is meshed with the transmission nut for transmission. The screw is inserted into the transmission nut, and the lower end of the screw is connected to the connecting seat. The housing is connected to the fixed seat.

7. The connecting rod lifting device of the casting roller stand according to claim 5, characterized in that: The linear sliding assembly includes a linear guide rail, a slider and a connecting plate. The linear guide rail is fixedly connected to the wall panel. Both ends of the connecting plate are slidably connected to the linear guide rail through the slider. The connecting seat is connected to the side end of the connecting plate.

8. The connecting rod lifting device of the casting roller stand according to claim 7, characterized in that: Positioning blocks are arranged at both ends of the linear guide rail, and positioning screws are arranged on the positioning blocks.

9. The connecting rod lifting device of the casting roller stand according to claim 5, characterized in that: A limit key, an installation through hole and a locking piece are arranged on the side end of the fixing seat, a limit slot and a fixing screw hole are arranged on the wall panel, the limit key is clamped in the limit slot, and the locking piece passes through the installation through hole and is fixedly locked in the fixing screw hole.

10. The connecting rod lifting device of the casting roller stand according to claim 6, characterized in that: The rotating shaft assembly includes a rotating shaft, a bearing seat, a connecting sleeve and a supporting base frame. Both ends of the rotating shaft are inserted into the bearing seat, and a rib is provided on one side of the bearing seat. The connecting sleeve is fixedly connected to the end of the rotating shaft, and the rotating shaft is connected to the turbine worm gear. The supporting base frame is arranged at the lower end of the bearing seat, and the supporting base frame is fixedly connected to the wall panel.

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