CN219427419U - Steady bubble frame - Google Patents
Steady bubble frame Download PDFInfo
- Publication number
- CN219427419U CN219427419U CN202223199834.9U CN202223199834U CN219427419U CN 219427419 U CN219427419 U CN 219427419U CN 202223199834 U CN202223199834 U CN 202223199834U CN 219427419 U CN219427419 U CN 219427419U
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- roller holding
- holding frames
- frame
- frames
- sides
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model relates to the technical field of film production equipment, in particular to a bubble stabilizing frame which comprises at least two roller holding frames for holding a film cylinder; the roller holding frames are connected to the mounting bracket through the connecting frames, and at least two roller holding frames are rotationally symmetrical by taking the first axis as a symmetry axis; the height adjusting device is connected between the connecting frame and the mounting bracket to adjust the height of the connecting frame; the horizontal adjusting device is connected between the connecting frame and the roller holding frames to adjust the distance from at least two roller holding frames to the first shaft, in certain embodiments of the application, when the roller holding frames do clamping actions, the power of the roller holding frames is from the same power source, the roller holding frames are mutually connected through the connecting frame to transmit power, and are mutually linked, the same power source drives the roller holding frames through the connecting frame to ensure that the actions of the roller holding frames are synchronous, and film rolling roundness errors caused by the action asynchronism between the roller holding frames can be avoided.
Description
Technical Field
The utility model relates to the technical field of film production equipment, in particular to a foam stabilizing frame.
Background
In the process of forming the multilayer co-extrusion plastic film by blow molding, the process flow length of a product production line often needs to be longer than ten meters, one or more bubble stabilizing frames are needed in the process to keep the film cylinder in a stable excircle structure in the process, the center of the film cylinder cannot be offset, and the film cylinder is maintained to be in a required uniform diameter in the stage that the die head is not stable, so that the effect of a final product is not influenced, and an oval or uneven-thickness unqualified product is avoided.
The existing products find the following defects in the use process: 1. the multidirectional horizontal adjustment is driven by a plurality of power sources, the actions are asynchronous, and the central axis deviation is easy to generate; 2. the adjusting process is not direct, and the driving quantity is required to be subjected to triangle transformation or other detection means to obtain a diameter change value of which the transformed value corresponds to the actual adjustment required by production.
Disclosure of Invention
The purpose of the utility model is that: overcomes the defects in the prior art and provides a foam stabilizing frame capable of realizing diameter adjustment.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the bubble stabilizing frame comprises at least two roller holding frames for holding the film cylinder;
the roller holding frames are connected to the mounting bracket through the connecting frames, and at least two roller holding frames are rotationally symmetrical by taking the first axis as a symmetry axis;
the height adjusting device is connected between the connecting frame and the mounting bracket to adjust the height of the connecting frame;
the horizontal adjusting device is connected between the connecting frame and the roller holding frames to adjust the distance between at least two roller holding frames and the first shaft.
Further, the connecting frame comprises an adjusting frame, the adjusting frame is equal to the roller holding frames in number, the adjusting frame is in a parallelogram shape, the adjusting frame is connected with two parallel connecting rods for connecting the roller holding frames, each connecting rod is simultaneously connected with two sides parallel in the adjusting frame, and the lengths of the two connecting rods are equal and parallel.
Further, the first sides of the adjacent adjusting frames are mutually connected to form a regular polygon, the second sides of the adjusting frames parallel to the first sides are located on the outer sides of the regular polygon, the adjusting frames further comprise third sides and fourth sides, and the third sides and the fourth sides of the adjacent adjusting frames are connected.
Further, the horizontal adjusting device comprises a push rod, the fixed end of the push rod is connected to the adjusting frame, the piston end of the push rod is connected with the connecting rod, and the extending direction of the piston is perpendicular to the first edge.
Further, the height adjusting device comprises a motor and a screw rod, the motor is connected to the mounting bracket, the screw rod is driven by the motor, a threaded hole is formed in the connecting frame, the screw rod is inserted into the threaded hole, the number of the screw rod and the number of the threaded holes are at least two, and power is transmitted between the screw rods through the transmission device.
Further, the chain wheels are connected to the screws, and the same chain is connected to the chain wheels of the screws so as to realize synchronous power transmission.
Further, two ends of the screw are rotatably connected with the mounting bracket.
Further, a limiting rod is connected between the two connecting rods, the distance between the two connecting rods and two hinge points between the roller holding frames is equal to the length of the connecting rods, and a line segment between the two hinge points between the two connecting rods and the roller holding frames is parallel to the limiting rod.
Further, one of the two connecting rods is hinged with a rocker arm, the other end of the rocker arm is hinged with the first side, and the hinged point of the connecting rod and the first side and the second side can slide along the directions of the first side and the second side.
Further, a fifth edge parallel to the third edge is arranged on the adjusting frame, and two ends of the fifth edge are respectively connected with the first edge and the second edge.
The technical scheme of the utility model has the beneficial effects that:
1. in some embodiments of the application, when the roller holding frames are in clamping motion, the power of the roller holding frames is from the same power source, the roller holding frames are mutually connected through the connecting frame to transmit power, the same power source drives the roller holding frames through the connecting frame to ensure that the roller holding frames are synchronous in motion, and film rolling roundness errors caused by the fact that the motion between the roller holding frames is asynchronous can be avoided.
2. In some embodiments of the present application, a rocker arm is connected to the connecting rod, so that a central axis of a cylinder surrounded by the plurality of roller brackets is always unchanged.
3. In some embodiments of the present application, the height adjustment device realizes lifting by the same power source, so that the problem of asynchronous motion caused by a plurality of power sources is avoided, and the adjustment motion of the height adjustment device is smoother and smoother.
4. In some embodiments of the present application, the number of the screws is at least two, so that the height adjusting device can balance the stress at multiple points when performing the lifting action, and the adjusting action of the height adjusting device is smoother and smoother.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein the method comprises the steps of
FIG. 1 is a schematic view of the structure of the clamping diameter adjustment to the minimum in the present application;
FIG. 2 is a detail view at circle A in FIG. 1;
FIG. 3 is a top view of the clamping diameter adjusted to a minimum in the present application;
FIG. 4 is a schematic view of the structure of the clamping diameter of the clamping device when the clamping diameter is adjusted to the maximum;
fig. 5 is a top view of the present application with the clamping diameter adjusted to a maximum.
1. A mounting bracket; 2. a height adjusting device; 21. a motor; 22. a screw; 23. a sprocket; 3. a connection frame; 31. a first edge; 32. a second side; 33. a third side; 34. fourth side; 35. a rocker arm; 36. a fifth side; 37. a connecting rod; 38. a limit rod; 39. a push rod; 4. and the roller wheel holding frame.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model. The present utility model will be described in detail by means of a schematic structural diagram, etc., which is only an example, and should not limit the scope of the present utility model. In addition, the three-dimensional space of length, width and depth should be included in actual fabrication.
Referring to fig. 1-5, a bubble stabilizing frame includes at least two roller holding frames 4 for holding a film cylinder;
the drawings in the specification of the application are drawn with the number of the roller holding frames 4 being four, and do not limit the number of the roller holding frames.
The roller holding frame 4 is connected to the mounting bracket 1 through the connecting frame 3, and the roller holding frame 4 is rotationally symmetrical by taking the first axis as a symmetry axis;
a height adjusting device 2 connected between the connection frame 3 and the mounting bracket 1 to adjust the height of the connection frame 3;
the horizontal adjusting device is connected between the connecting frame 3 and the roller holding frames 4 to adjust the distance from the four roller holding frames 4 to the first shaft.
In some embodiments of the present application, when the roller holding frames 4 are in a clamping motion, the power of the roller holding frames 4 is from the same power source, the roller holding frames 4 are mutually connected through the connecting frame 3 to transmit power and are mutually linked, the same power source drives the roller holding frames 4 through the connecting frame 3 to ensure that the motion of the roller holding frames 4 is synchronous, and the film rolling roundness error caused by the asynchronous motion between the roller holding frames 4 can be avoided.
Referring to fig. 3 and 5, the connecting frame 3 includes an adjusting frame, the adjusting frame is equal to the number of the roller holding frames, and the adjusting frame is in a parallelogram, in this embodiment, the number of the adjusting frames is four because the number of the roller holding frames is four for description and drawing, the adjusting frame is connected with two parallel connecting rods 37 for connecting the roller holding frames 4, each connecting rod 37 is simultaneously connected with two parallel sides of the adjusting frame, and the lengths of the two connecting rods 37 are equal and parallel.
The parallelogram adjusting frame can ensure that the second edge 32 is always parallel to the first edge 31, so that the actions of the connecting rods 37 are controllable, and the lengths of the two connecting rods 37 are equal and parallel so that the connecting rods 37 form a parallelogram to ensure that the actions of the two connecting rods 37 are controllable.
Referring to fig. 3 and 5, the first sides 31 of adjacent adjusting frames are connected to each other to form a regular polygon, and because the number of roller holding frames in this embodiment is four, the enclosed pattern in this embodiment is a regular quadrilateral, i.e. a square, the second side 32 parallel to the first side 31 of the adjusting frame is located outside the square, the adjusting frame further includes a third side 33 and a fourth side 34, the third side 33 and the fourth side 34 of the adjacent adjusting frame are connected, the angle between the third side 33 and the fourth side 34 is α, α=360/n, n is the number of roller holding frames 4, and the setting of this angle can make the actions between the adjusting frames consistent, and the adjusting frames stretch and shrink.
The third side 33 and fourth side 34 of adjacent adjusting frames are connected so that adjacent adjusting frames can be interlocked with each other and the actions remain consistent.
Referring to fig. 3 and 5, the horizontal adjusting device includes a push rod 39, a fixed end of the push rod 39 is connected to the adjusting frame, a piston end of the push rod 39 is connected to the connecting rod 37, and an extending direction of the piston is perpendicular to the first edge 31.
The piston rod end of the push rod 39 is connected to the hinge point of the connecting rod 37 and the roller holding frame 4, the moving distance of the push rod 39 is the moving distance of the roller holding frame 4, and the adjusting distance is visual and concise and does not need to be converted.
The push rod 39 is used as a power source of the horizontal adjusting device to control the diameters of the plurality of roller holding frames 4 to be cylindrical, and when the push rod 39 extends out, the diameter is increased; when the push rod 39 is retracted, the diameter becomes smaller.
Referring to fig. 1 and 4, the height adjusting device 2 includes a motor 21 and a screw 22, the motor 21 is connected to the mounting bracket 1, the screw 22 is driven by the motor 21, a threaded hole is provided on the connection frame 3, the specific threaded hole may be a threaded hole formed on the connection frame 3 directly, or a standard screw-nut may be connected to the connection frame 3, the screw 22 is inserted into the threaded hole, the number of the screws 22 and the threaded holes is at least two, and power is transmitted between the screws 22 through a transmission device.
Referring to fig. 1 and 4, a sprocket 23 is connected to the screw 22, and the same chain is connected to the sprockets 23 of the screws 22 to achieve power transmission.
The height adjusting device 2 realizes lifting through the same power source, so that the problem of asynchronous motion caused by a plurality of power sources is avoided, and the adjusting motion of the height adjusting device 2 is smoother and smoother.
The number of the screws 22 is at least two, so that the height adjusting device 2 can balance stress at multiple points when lifting and lowering actions are executed, and the adjusting actions of the height adjusting device 2 are smoother and smoother.
Referring to fig. 1 and 4, two ends of the screw 22 are rotatably connected to the mounting bracket 1.
Referring to fig. 2, a limiting rod 38 is connected between the two connecting rods 37, the distance between two hinge points between the two connecting rods 37 and the roller holding frame 4 is equal to the length of the connecting rods 37, and a line segment between two hinge points between the two connecting rods 37 and the roller holding frame 4 is parallel to the limiting rod 38. So that the two connecting rods 37 can enclose a parallelogram, and the angular offset of the roller holding frame 4 in the diameter adjusting process is avoided.
Referring to fig. 3 and 5, one of the two links 37 is hinged with a rocker arm 35, the other end of the rocker arm 35 is hinged with the first side 31, and the hinge point between the link 37 and the first side 31 and the second side 32 can slide along the direction of the first side 31 and the second side 32.
The interaction of the parallelogram-enclosed connecting rod 37 and the rocker arm 35 can enable the moving track of the roller holding frame 4 to be perpendicular to the first edge 31 only and not parallel to the first edge 31 in the diameter adjusting process of the roller holding frame 4, so that the enclosed cylindrical center shaft is prevented from being offset.
Referring to fig. 1 and 4, a link 37 is provided with branches in a vertical direction to increase the number of hinge points with the roller cradle 4. The stability of the roller holding frame 4 is increased.
Referring to fig. 3 and 5, a fifth edge 36 parallel to the third edge 33 is provided on the adjusting frame, and two ends of the fifth edge 36 are respectively connected to the first edge 31 and the second edge 32.
The fifth side 36 is used for supporting the connection frame.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. A steady bubble frame which characterized in that: comprises at least two roller holding frames for holding the film cylinder;
the roller holding frames are connected to the mounting bracket through the connecting frames, and at least two roller holding frames are rotationally symmetrical by taking the first axis as a symmetry axis;
the height adjusting device is connected between the connecting frame and the mounting bracket to adjust the height of the connecting frame;
the horizontal adjusting device is connected between the connecting frame and the roller holding frames to adjust the distance between at least two roller holding frames and the first shaft.
2. A foam stabilizing frame according to claim 1, wherein: the connecting frame comprises an adjusting frame, the adjusting frame is equal to the roller holding frames in number, the adjusting frame is in a parallelogram shape, two parallel connecting rods are connected to the adjusting frame and used for connecting the roller holding frames, each connecting rod is simultaneously connected with two sides parallel to each other in the adjusting frame, and the two connecting rods are equal in length and parallel.
3. A foam stabilizing frame according to claim 2, wherein: the first sides of adjacent regulating frames are mutually connected to form a regular polygon, the second sides of the regulating frames parallel to the first sides are positioned on the outer sides of the regular polygon, the regulating frames further comprise third sides and fourth sides, and the third sides and the fourth sides of the adjacent regulating frames are connected.
4. A foam stabilizing frame according to claim 3, wherein: the horizontal adjusting device comprises a push rod, the fixed end of the push rod is connected to the adjusting frame, the piston end of the push rod is connected with the connecting rod, and the extending direction of the piston is perpendicular to the first edge.
5. A foam stabilizing frame according to claim 4, wherein: the height adjusting device comprises a motor and a screw rod, the motor is connected to the mounting bracket, the screw rod is driven by the motor, a threaded hole is formed in the connecting frame, the screw rod is inserted into the threaded hole, the number of the screw rod and the number of the threaded hole are at least two, and power is transmitted between the screw rods through a transmission device.
6. A foam stabilizing frame according to claim 5, wherein: the chain wheels are connected to the screws, and the same chain is connected to the chain wheels of the screws so as to realize synchronous power transmission.
7. A foam stabilizing frame according to claim 6, wherein: the two ends of the screw rod are rotatably connected with the mounting bracket.
8. A foam stabilizing frame according to claim 7, wherein: a limiting rod is connected between the two connecting rods, the distance between the two connecting rods and two hinge points between the roller holding frames is equal to the length of the connecting rods, and a line segment between the two hinge points between the two connecting rods and the roller holding frames is parallel to the limiting rod.
9. A foam stabilizing frame according to claim 8, wherein: one of the two connecting rods is hinged with a rocker arm, the other end of the rocker arm is hinged with the first side, and the hinge point of the connecting rod and the first side and the second side can slide along the directions of the first side and the second side.
10. A foam stabilizing frame according to claim 9, wherein: the adjusting frame is provided with a fifth edge parallel to the third edge, and two ends of the fifth edge are respectively connected with the first edge and the second edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223199834.9U CN219427419U (en) | 2022-11-30 | 2022-11-30 | Steady bubble frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223199834.9U CN219427419U (en) | 2022-11-30 | 2022-11-30 | Steady bubble frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219427419U true CN219427419U (en) | 2023-07-28 |
Family
ID=87346056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223199834.9U Active CN219427419U (en) | 2022-11-30 | 2022-11-30 | Steady bubble frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219427419U (en) |
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2022
- 2022-11-30 CN CN202223199834.9U patent/CN219427419U/en active Active
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