A support disc device in a polyurethane foam turntable production line
The support disk device with guide rails and shock-absorbing assemblies addresses instability and vibration issues in polyurethane foam turntable production lines, ensuring stable and durable support for hydraulic mold frames.
Patent Information
- Application Number
- CN202011465095.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-12-14
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2040-12-14
AI Technical Summary
Existing support disk devices in polyurethane foam turntable production lines experience instability due to uneven ground surfaces, leading to unstable support of hydraulic mold frames, significant vibration, and premature wear of support wheels.
A support disk device with guide rails and shock-absorbing assemblies, featuring compression springs and support wheels with hard and soft layers, ensures stable and vibration-reduced rotation by maintaining guide rail flatness and using elastic support.
The solution provides stable support, reduces vibration, and extends the service life of support wheels by preventing damage from uneven ground surfaces.
Smart Images

Figure CN112519082B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of supporting equipment of a hydraulic die frame in a polyurethane foaming turntable production line, and in particular to a supporting disk device therein. Background Art
[0002] The polyurethane foam turntable production line includes: a support plate device for circumferentially placing a number of hydraulic mold frames, a polyurethane high-pressure foaming machine is installed on the outer side of the support plate, and the support plate is rotated so that the hydraulic mold frames on it run to the polyurethane high-pressure foaming machine in sequence. The polyurethane high-pressure foaming machine pours raw materials into the molds in each hydraulic mold frame on the support plate to carry out production.
[0003] The Chinese patent document with patent number ZL201310636796.5 discloses a support disk device in a car carpet foaming turntable production line, in which the support disk includes: a turntable, the bottom of the turntable is fixedly supported on a plurality of radial support beams evenly spaced in the circumferential direction, a slewing support bearing is arranged in the central through hole of the turntable, the inner end of each radial support beam is fixedly supported on the slewing support bearing, a plurality of reinforcing beams are arranged between each two adjacent radial support beams, each reinforcing beam is arranged along the circumference of the turntable, and a pulley is supported at the bottom of each radial support beam, and the pulleys are supported on the ground rails laid on the ground. In actual work, due to the uneven ground, when the turntable rotates, the pulley on it sometimes does not contact the ground rail, and the pulley cannot stably support the hydraulic mold frame on the turntable through the ground rail; sometimes the pulley is pressed on the ground rail and slides, resulting in a large friction between the pulley and the ground rail when pressed on the ground rail and sliding, and the pulley is easy to be damaged. In addition, due to the uneven ground, the diameter of the support plate can reach 9 meters, and the different weights of the hydraulic formwork installed on it, the pulley vibrates greatly when sliding on the ground rail. Summary of the invention
[0004] The object of the present invention is to provide a supporting disk device in a polyurethane foaming turntable production line which can stably support a hydraulic mold frame on a turntable, has less vibration during operation and has a longer service life of supporting wheels in the device.
[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a support disk device in a polyurethane foam turntable production line, comprising: a support disk, the support disk comprising: a turntable, a slewing support bearing is arranged at the bottom of the turntable, the slewing support bearing and the turntable are coaxial, the turntable is fixedly supported on a plurality of radial support beams evenly spaced at the bottom thereof, the inner end of each radial support beam is fixedly supported on the slewing support bearing, A plurality of reinforcing cross beams are arranged between each two adjacent radial support beams, and each reinforcing cross beam is arranged along the circumference of the turntable, characterized in that: a circle of guide rails are fixedly arranged at the bottom of the reinforcing cross beams at the outer ends of the turntable and the radial support beams, the guide rails are coaxial with the turntable, and a plurality of supporting shock-absorbing assemblies are evenly spaced along the circumference below the guide rails, and the guide rails are movably supported on each supporting shock-absorbing assemblies; the supporting shock-absorbing assemblies include: a base plate that can be fixed to the ground, one end of the base plate is provided with a hinge seat, the hinge end of the movable frame is hinged on the hinge seat, the movable frame is provided with a support wheel, the other end of the base plate is provided with a vertical stud, and the vertical stud is arranged opposite to the hinge seat, a compression spring is sleeved on the vertical stud, after the upper end of the stud extends upward from the through hole of the movable end of the movable frame, the movable end of the movable frame is axially pressed on the top of the compression spring by a fastener, and under the action of the compression spring, the support wheel is always elastically supported on the bottom surface of the guide rail.
[0006] Furthermore, a support plate device in the aforementioned polyurethane foam turntable production line, wherein: the movable frame includes: two movable plates arranged vertically opposite to each other, the hinged end of each movable plate is hinged on the hinged seat, the movable ends of the two movable plates are connected by a horizontally arranged connecting plate, the connecting plate is provided with a stud through hole, after the upper end of the stud extends upward from the stud through hole, the connecting plate is axially pressed on the top of the compression spring through a fastener; a horizontally arranged installation shaft is provided in the middle of the two movable plates, and the support wheel sleeve is provided on the installation shaft.
[0007] Furthermore, the supporting plate device in the aforementioned polyurethane foaming turntable production line, wherein: the articulated seat includes: two vertical articulated plates fixed relatively to the base plate at intervals, the two vertical articulated plates are connected by a horizontally arranged first rotating shaft; each movable plate is sleeved on the first rotating shaft through a through hole arranged at the hinge end of the movable plate.
[0008] Furthermore, the supporting plate device in the aforementioned polyurethane foaming turntable production line, wherein: each vertical hinged plate is "L"-shaped, a reinforcing plate is provided on the inner top of each vertical hinged plate, the first rotating shaft is passed through the vertical hinged plate and the reinforcing plate, and after the movable plate is sleeved on the first rotating shaft, each movable plate is located on the inner side of the corresponding reinforcing plate.
[0009] Furthermore, in the aforementioned support disk device in the polyurethane foam turntable production line, the support wheel comprises: a support bearing fixedly sleeved from inside to outside, a hard inner layer, and a soft outer layer, and the support bearing is movably sleeved on the mounting shaft.
[0010] Furthermore, in the aforementioned support disk device of the polyurethane foam turntable production line, retaining rings are respectively arranged on the bottom walls of the reinforcing cross beams and radial support beams on both sides of the guide rail, the two retaining rings and the guide rail form an upwardly recessed cavity, the support wheel extends into the cavity and is elastically supported on the bottom surface of the guide rail.
[0011] Furthermore, in the aforementioned support disk device in the polyurethane foaming turntable production line, the number of support shock absorbing components is the same as the number of radial support beams.
[0012] The beneficial effects of the present invention are: 1. Each support wheel 4 is always elastically supported on the bottom surface of the guide rail, so that when the turntable 1 rotates, a plurality of support shock-absorbing components can stably and elastically support the support plate; 2. Due to the use of the compression spring 51, the vibration of the support plate during rotation is greatly reduced, so that the support plate can rotate more stably; 3. By installing the guide rail at the bottom of the reinforcing cross beam 12 and the radial support beam 11, it can be ensured that the flatness of the guide rail is always maintained in a better state, and the phenomenon of the support wheel being damaged due to the unevenness of the guide rail can be avoided, thereby extending the service life of the support wheel 4. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of a support disk device in a polyurethane foaming turntable production line according to the present invention;
[0014] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of part A;
[0015] Figure 3 It is a schematic diagram of the structure of the support and shock absorbing assembly;
[0016] Figure 4 for Figure 3 Schematic diagram of the Z-direction structure;
[0017] Figure 5 for Figure 3 Schematic diagram of the top view structure. DETAILED DESCRIPTION
[0018] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and preferred embodiments.
[0019] like Figure 1 , Figure 2As shown, a support disk device in a polyurethane foaming turntable production line comprises: a support disk, wherein the support disk comprises: a turntable 1, a slewing support bearing 14 is arranged at the bottom of the turntable, the slewing support bearing 14 and the turntable 1 are coaxial, the turntable 1 is fixedly supported on a plurality of radial support beams 11 evenly spaced at the bottom thereof, the inner end of each radial support beam 11 is fixedly supported on the slewing support bearing 14, a plurality of reinforcing cross beams 12 are arranged between each two adjacent radial support beams 11, each reinforcing cross beam 12 is arranged along the circumference of the turntable 1, a circle of guide rails are fixedly arranged at the bottom of the reinforcing cross beams 12 at the outer end of the turntable and the radial support beams 11, the guide rails are coaxial with the turntable 1, a plurality of support and damping assemblies are evenly spaced along the circumference below the guide rails, and the guide rails are movably supported on each support and damping assemblies. In actual work, the number of support and damping assemblies is determined according to the load-bearing capacity of the turntable 1, and generally the number of support and damping assemblies is the same as the number of radial support beams 11. In this embodiment, since the turntable 1, radial support beam 11 and reinforcing beam 12 are all processed parts, the guide rail is set at the bottom of the reinforcing beam 12 and the radial support beam 11 at the outer end of the turntable 1, which can ensure that the flatness of the guide rail is always maintained in a better state.
[0020] like Figure 2 , Figure 3 As shown, the support and shock absorbing assembly comprises: a bottom plate 22 that can be fixed on the ground, a hinge seat 21 is provided at one end of the bottom plate 22, a hinge end of the movable frame 3 is hinged on the hinge seat 21, a support wheel 4 is provided on the movable frame 3, a vertical stud 5 is provided at the other end of the bottom plate 22, and the vertical stud 5 is arranged opposite to the hinge seat 21, a compression spring 51 is sleeved on the vertical stud 5, after the upper end of the vertical stud 5 extends upward from the through hole of the movable end of the movable frame 3, the movable end of the movable frame 3 is axially pressed on the top of the compression spring 51 through the fastener, and under the action of the compression spring 51, the support wheel 4 is always elastically supported on the bottom surface of the guide rail. In this embodiment, in order to enable the support wheel 4 to elastically support the turntable 1 better when the turntable 1 rotates, retaining rings 13 are respectively provided on the bottom walls of the reinforcing cross beam 12 and the radial support beam 11 on both sides of the guide rail, and the two retaining rings 13 form an upwardly concave cavity with the guide rail, and the support wheel 4 extends into the cavity and is elastically supported on the bottom surface of the guide rail.
[0021] like Figure 4 , Figure 5 As shown, the movable frame 3 includes: two movable plates 31 arranged vertically opposite to each other, the hinged end of each movable plate 31 is hinged on the hinge seat 21, the movable ends of the two movable plates 31 are connected by a horizontally arranged connecting plate 32, the connecting plate 32 is provided with a stud through hole, after the upper end of the vertical stud 5 extends upward from the stud through hole, the connecting plate 32 is axially pressed on the top of the compression spring 51 by the nut 6; a horizontally placed installation shaft 33 is provided in the middle of the two movable plates 31, and the support wheel 4 is sleeved on the installation shaft 33.
[0022] In this embodiment, the hinge seat 21 includes: two vertical hinge plates 211 fixed relatively to the base plate 22 at intervals, the two vertical hinge plates 211 are connected by a horizontally arranged first rotating shaft 213, and each movable plate 31 is sleeved on the first rotating shaft 213 through a through hole arranged at the hinge end of the movable plate.
[0023] like Figure 5 As shown, since the support wheels 4 need to elastically support the turntable 1, when the turntable rotates, each support wheel 4 rolls on the bottom surface of the guide rail. In order to reduce the friction between the support wheels 4 and the guide rail, the support wheels 4 include: a support bearing 41, a hard inner layer 43, and a soft outer layer 42, which are fixedly sleeved from inside to outside, and the support bearing 41 is movably sleeved on the mounting shaft 33. In this embodiment, the soft outer layer 42 is made of rubber, and the material of the hard inner layer 43 is steel.
[0024] In this embodiment, since the movable plate 31 rotates around the first rotating shaft 213, in order to stably support the first rotating shaft 213, each vertical hinged plate 211 is "L"-shaped, and a reinforcing plate 212 is provided on the inner top of each vertical hinged plate 211. The first rotating shaft 213 is passed through the vertical hinged plate 211 and the reinforcing plate 212. After the movable plate 31 is sleeved on the first rotating shaft 213, each movable plate 31 is located on the inner side of the corresponding reinforcing plate 212.
[0025] The advantages of the present invention are: 1. Each support wheel 4 is always elastically supported on the bottom surface of the guide rail, so that when the turntable 1 rotates, a plurality of support shock-absorbing components can stably and elastically support the support plate; 2. Due to the use of the compression spring 51, the vibration of the support plate during rotation is greatly reduced, so that the support plate can rotate more stably; 3. By installing the guide rail at the bottom of the reinforcing cross beam 12 and the radial support beam 11, it is possible to ensure that the flatness of the guide rail is always maintained in a better state, and the phenomenon of the support wheel being damaged due to the unevenness of the guide rail can be avoided, thereby extending the service life of the support wheel 4.
Claims
1. A support disk device in a polyurethane foaming turntable production line, comprising: A support plate, the support plate comprises: a turntable, a slewing support bearing is arranged at the bottom of the turntable, the slewing support bearing and the turntable are coaxial, the turntable is fixedly supported on a plurality of radial support beams evenly spaced at the bottom thereof, the inner end of each radial support beam is fixedly supported on the slewing support bearing, a plurality of reinforcing cross beams are arranged between each two adjacent radial support beams, each reinforcing cross beam is arranged along the circumference of the turntable, and the feature is that a circle of guide rails are fixedly arranged at the bottom of the reinforcing cross beams at the outer end of the turntable and the radial support beams, the guide rail turntable is coaxial, and a plurality of support beams are evenly spaced along the circumference below the guide rails A support and shock-absorbing assembly, wherein the guide rail is movably supported on each support and shock-absorbing assembly; the support and shock-absorbing assembly comprises: a bottom plate that can be fixed on the ground, a hinge seat is arranged at one end of the bottom plate, a hinge end of the movable frame is hinged on the hinge seat, a support wheel is arranged on the movable frame, a vertical stud is arranged at the other end of the bottom plate, and the vertical stud is arranged opposite to the hinge seat, a compression spring is sleeved on the vertical stud, after the upper end of the stud extends upwardly out of the through hole of the movable end of the movable frame, the movable end of the movable frame is axially pressed on the top of the compression spring through a fastener, and under the action of the compression spring, the support wheel is always elastically supported on the bottom surface of the guide rail; The movable frame comprises: two movable plates arranged vertically opposite to each other, the hinged end of each movable plate is hinged on the hinged seat, the movable ends of the two movable plates are connected by a horizontally arranged connecting plate, the connecting plate is provided with a stud through hole, after the upper end of the stud extends upward from the stud through hole, the connecting plate is axially pressed on the top of the compression spring through a fastener; a horizontally arranged installation shaft is arranged in the middle of the two movable plates, and the support wheel sleeve is arranged on the installation shaft; The hinge seat comprises: two vertical hinge plates fixed relatively to each other on the bottom plate at intervals, the two vertical hinge plates are connected by a first rotating shaft arranged horizontally; each movable plate is sleeved on the first rotating shaft through a through hole arranged at the hinge end of the movable plate; Each vertical hinge plate is "L" shaped, and a reinforcing plate is provided on the inner top of each vertical hinge plate. The first rotating shaft is passed through the vertical hinge plate and the reinforcing plate. After the movable plate is sleeved on the first rotating shaft, each movable plate is located on the inner side of the corresponding reinforcing plate. The support wheel comprises: a support bearing fixedly sleeved from inside to outside, a hard inner layer, and a soft outer layer, and the support bearing is movably sleeved on the mounting shaft; Retaining rings are respectively arranged on the bottom walls of the reinforcing cross beams and radial support beams on both sides of the guide rail. The two retaining rings and the guide rail form an upwardly recessed cavity. The support wheel extends into the cavity and is elastically supported on the bottom surface of the guide rail.
2. The supporting disk device in the polyurethane foaming turntable production line according to claim 1, characterized in that: The number of the supporting shock absorbing assemblies is the same as the number of the radial supporting beams.