CN219648548U - Chair back iron frame bending kneader - Google Patents
Chair back iron frame bending kneader Download PDFInfo
- Publication number
- CN219648548U CN219648548U CN202321231033.8U CN202321231033U CN219648548U CN 219648548 U CN219648548 U CN 219648548U CN 202321231033 U CN202321231033 U CN 202321231033U CN 219648548 U CN219648548 U CN 219648548U
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- bending
- bending mechanism
- pipe fitting
- kneader
- back iron
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- 238000005452 bending Methods 0.000 title claims abstract description 151
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 122
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 241001631030 Explorator Species 0.000 claims abstract description 16
- 238000004898 kneading Methods 0.000 claims abstract description 14
- 238000013519 translation Methods 0.000 claims description 13
- 238000013459 approach Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a bending kneader for a chair back iron frame, wherein the chair back iron frame is formed by bending and kneading a pipe fitting, and the bending kneader comprises: the left bending mechanism is used for bending one end of the U-shaped pipe fitting; the right bending mechanism is used for bending the other end of the U-shaped pipe fitting so that two ends of the pipe fitting are arranged oppositely, the left bending mechanism and the right bending mechanism can be relatively far away so that two ends of the pipe fitting are separated, and the left bending mechanism and the right bending mechanism can be relatively close to each other so that two ends of the pipe fitting are spliced; the alignment mechanism is arranged between the left bending mechanism and the right bending mechanism and comprises a side explorator and a side pressing piece, and a limiting channel for inserting and kneading two ends of the accommodating pipe fitting is formed between the side explorator and the side pressing piece. The bending kneader for the chair back iron frame can align two ends of a pipe fitting and is convenient to knead.
Description
Technical Field
The utility model relates to bending equipment, in particular to a chair back iron frame bending kneader.
Background
Structurally, the iron frame of the chair back is a frame-shaped part formed by bending a pipe fitting, wherein one end of the pipe fitting is provided with a necking for inserting into the other end of the pipe fitting.
On manufacturing, firstly, the pipe fitting is bent into a frame shape, then, the two ends of the pipe fitting are pulled far, then, the necking is aligned with the other end of the pipe fitting, and then, the two ends of the pipe fitting are released, so that the necking is inserted into the other end of the pipe fitting, and kneading is realized.
However, pulling the ends of the tube away can cause the ends of the tube to be out of alignment, i.e., making it difficult to align the ends of the tube and inconvenient to knead.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the chair back iron frame bending kneader which can align the two ends of the pipe fitting and facilitate kneading.
According to the bending kneader for the iron frame of the chair back, which is provided by the embodiment of the utility model, the iron frame of the chair back is formed by bending and kneading a pipe fitting, and the bending kneader comprises:
the left bending mechanism is used for bending one end of the U-shaped pipe fitting;
the right bending mechanism is used for bending the other end of the U-shaped pipe fitting so that two ends of the pipe fitting are arranged oppositely, the left bending mechanism and the right bending mechanism can be relatively far away so that two ends of the pipe fitting are separated, and the left bending mechanism and the right bending mechanism can be relatively close to each other so that two ends of the pipe fitting are spliced;
the alignment mechanism is arranged between the left bending mechanism and the right bending mechanism and comprises a side explorator and a side pressing piece, and a limiting channel for accommodating the insertion and kneading of the two ends of the pipe fitting is formed between the side explorator and the side pressing piece.
According to the chair back iron frame bending kneader provided by the embodiment of the utility model, the side pressing piece is turned up and down to be close to the side explorator.
According to the chair back iron frame bending kneader provided by the embodiment of the utility model, the side pressing piece is connected with the connecting rod, one end of the connecting rod, which is far away from the side pressing piece, is hinged with the hydraulic cylinder, and the hydraulic cylinder drives the side pressing piece to turn up and down.
According to the chair back iron frame bending kneader provided by the embodiment of the utility model, the chair back iron frame bending kneader further comprises a positioning mechanism, wherein the positioning mechanism is used for positioning the turning part of the U-shaped pipe fitting, the positioning mechanism comprises an inner positioning piece and two outer positioning pieces, and the outer positioning pieces are provided with turning positioning parts for accommodating the pipe fitting.
According to the chair back iron frame bending kneader provided by the embodiment of the utility model, the positioning mechanism is positioned on one side of the left bending mechanism and the right bending mechanism, which is opposite to the alignment mechanism, and the inner positioning piece can be adjusted to be far away from or close to the side explorator.
According to the chair back iron frame bending kneader provided by the embodiment of the utility model, one of the left bending mechanism and the right bending mechanism is provided with the first inclined block which is abutted against the inner positioning piece so as to enable the inner positioning piece to be far away from the side explorator, and the positioning mechanism also comprises a reset spring which is connected with the inner positioning piece so as to enable the positioning piece to be close to the side explorator.
According to the chair back iron frame bending kneader provided by the embodiment of the utility model, one of the left bending mechanism and the right bending mechanism comprises a translation seat and a bending assembly arranged on the translation seat, the translation seat is in transmission connection with a second inclined block, the second inclined block is driven by hydraulic pressure, the second inclined block or the translation seat is provided with a first driving inclined plane and a second driving inclined plane, and the first driving inclined plane and the second driving inclined plane enable the left bending mechanism and the right bending mechanism to approach or separate twice.
According to the chair back iron frame bending kneader provided by the embodiment of the utility model, the bending component comprises the center wheel and the rotating arm taking the center wheel as the rotation center, and the rotating arm is provided with the pressing wheel group and the hydraulic power for driving the pressing wheel group to be close to or far away from the center wheel.
According to the chair back iron frame bending kneader provided by the embodiment of the utility model, the bending assembly further comprises a fixing piece and a clamping piece which can be close to the fixing piece to clamp and fix the pipe fitting.
The chair back iron frame bending kneader provided by the embodiment of the utility model has at least the following beneficial effects:
the left bending mechanism and the right bending mechanism firstly pull the two ends of the pipe away, then the left bending mechanism and the right bending mechanism bend the two ends of the pipe so that the two ends of the pipe are close to the side explorator, the two ends of the pipe are aligned up and down, then the side pressing piece presses the two ends of the pipe to the side explorator, so that the two ends of the pipe are aligned left and right, the centers of the two ends of the pipe are aligned, then the left bending mechanism and the right bending mechanism are close to each other, so that one end of the pipe is inserted into the other end of the pipe to complete kneading, and finally the left bending mechanism and the right bending mechanism are further close to each other, so that the chair back iron frame is conveniently taken out.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a bending kneader for back iron frame according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of the left bending mechanism in fig. 1.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
A back iron bending kneader according to an embodiment of the present utility model is described below with reference to the drawings.
Referring to fig. 1, the present utility model is directed to an embodiment of a back iron bending kneader.
The processing object of this embodiment is U-shaped pipe fitting, and U-shaped pipe fitting is formed by bending straight pipe to, the one end of U-shaped pipe fitting can set up the throat, thereby, in geometrical, the other end of pipe fitting can be smoothly inserted to the one end of pipe fitting.
In the manufacturing process, a necking is usually firstly processed at one end of the straight pipe, and then the straight pipe is bent into a U shape, so that the process is mature and is not a modified point of the embodiment, and the description is not given.
The two ends of the U-shaped pipe fitting are bent, inserted and kneaded, so that the defect that the two ends of the pipe fitting are difficult to be inserted and kneaded together in the prior art is overcome.
In the present embodiment, the kneader includes a left bending mechanism 1 and a right bending mechanism 2.
In some specific embodiments of the present utility model, the left bending mechanism 1 and the right bending mechanism 2 may be symmetrically arranged to bend out the same bending, so as to facilitate alignment of two ends of the pipe fitting.
In some specific embodiments of the present utility model, the structures of the left bending mechanism 1 and the right bending mechanism 2 may be different, but the two ends of the pipe to be bent are close to be in a straight line, so that the two ends of the pipe are aligned conveniently.
In this embodiment, the left bending mechanism 1 and the right bending mechanism 2 can be relatively far away to separate two ends of the pipe fitting, and the left bending mechanism 1 and the right bending mechanism 2 can be relatively close to each other to plug two ends of the pipe fitting.
Therefore, when the left bending mechanism 1 and the right bending mechanism 2 are far away from each other, the left bending mechanism 1 and the right bending mechanism 2 bend the two ends of the pipe fitting, and the two ends of the pipe fitting are not staggered, so that the subsequent mutual insertion and kneading are convenient.
When the left bending mechanism 1 and the right bending mechanism 2 are close to each other, the two ends of the pipe fitting can be driven to be close to each other, and the plugging and kneading work is completed.
In this embodiment, an alignment mechanism is further provided, the alignment mechanism is disposed between the left bending mechanism 1 and the right bending mechanism 2, the alignment mechanism includes a side explorator 3 and a side pressing piece 4, and a limiting channel for inserting and kneading two ends of the accommodating pipe fitting is formed between the side explorator 3 and the side pressing piece 4.
In summary, the left bending mechanism 1 and the right bending mechanism 2 of the utility model firstly pull the two ends of the pipe away, then the left bending mechanism 1 and the right bending mechanism 2 bend the two ends of the pipe so that the two ends of the pipe are close to the side explorator 3, the two ends of the pipe are aligned up and down, then the side pressing piece 4 presses the two ends of the pipe to the side explorator 3, the two ends of the pipe are aligned left and right, so that the centers of the two ends of the pipe are aligned, then the left bending mechanism 1 and the right bending mechanism 2 make the two ends of the pipe close to each other, so that one end of the pipe is inserted into the other end of the pipe to complete kneading, and finally the left bending mechanism 1 and the right bending mechanism 2 are further close to each other, so that the chair back iron frame is conveniently taken out.
In some specific embodiments of the present utility model, one of the left bending mechanism 1 and the right bending mechanism 2 may be made translatable, or both the left bending mechanism 1 and the right bending mechanism 2 may be made translatable, with the same effect.
In some specific embodiments of the utility model, the limiting channel can be smaller than the outer diameter of the pipe fitting, so that not only can the two ends of the pipe fitting be aligned, but also the outer surface of the pipe fitting can be extruded, the pipe fitting is deformed, the two ends of the pipe fitting are not easy to separate, and the design requirement is met.
In some embodiments of the utility model, sidepieces 4 are flipped up and down to approach sideform 3.
It is easy to understand that, in this embodiment, the side pressing piece 4 is turned up and down to be close to the side profiling 3, so that not only can the requirement of forming a limit channel be met, but also the movement track of the side pressing piece 4 is conveniently limited, and the side profiling 3 and the side pressing piece 4 are prevented from being misplaced up and down.
In some specific embodiments of the present utility model, the side pressing piece 4 may be connected with a connecting rod 5, and one end of the connecting rod 5 away from the side pressing piece 4 is hinged with a hydraulic cylinder 6, where the hydraulic cylinder 6 drives the side pressing piece 4 to flip up and down.
It is easy to understand that, in this embodiment, by setting the connecting rod 5 and the hydraulic cylinder 6, the linear motion of the hydraulic cylinder 6 can be conveniently converted into the rotary motion of the side pressing member 4, so that the force can be conveniently applied, and meanwhile, the hydraulic cylinder 6 can be conveniently arranged at a far and low position without affecting the motion of the left bending mechanism 1 and the right bending mechanism 2.
In some specific embodiments of the present utility model, the bending kneader may further comprise a positioning mechanism 7, the positioning mechanism 7 being adapted to position the turns of the U-shaped pipe, the positioning mechanism 7 comprising an inner positioning member 8 and two outer positioning members 9, the outer positioning members 9 having turn positioning portions for receiving the pipe.
That is, the positioning mechanism 7 is provided in this embodiment, so that the left bending mechanism 1 and the right bending mechanism 2 at two ends of the pipe are reserved for a set length, and the product design requirement is satisfied.
In some embodiments of the utility model, the positioning mechanism 7 may be located on the side of the left and right bending mechanisms 1, 2 facing away from the alignment mechanism, and the inner positioning member 8 may be adjustable to be either away from or closer to the side profile 3.
It is easy to understand that this embodiment still makes the both ends symmetrical arrangement of pipe fitting through the rational arrangement positioning mechanism 7 position, avoids uneven distribution, simultaneously, and interior setting element 8 can adjust, still conveniently gets and put the pipe fitting, simultaneously, does not influence the positioning effect.
In some embodiments of the present utility model, one of the left bending mechanism 1 or the right bending mechanism 2 is provided with a first ramp 10 that abuts the inner retainer 8 to move the inner retainer 8 away from the side form 3, and the retainer mechanism 7 further includes a return spring 11 that connects the inner retainer 8 to move the retainer closer to the side form 3.
It is easy to understand that in this embodiment, when the left bending mechanism 1 or the right bending mechanism 2 is far away, the first inclined block 10 pushes the inner positioning member 8 to the outer positioning member 9 once, so as to position the pipe fitting, and when the left bending mechanism 1 or the right bending mechanism 2 is close to each other, the return spring 11 pulls the inner positioning member 8, so that the inner positioning member 8 is far away from the outer positioning member 9, so that the pipe fitting is convenient to take out.
Referring to fig. 2, in some specific embodiments of the present utility model, one of the left bending mechanism 1 or the right bending mechanism 2 may include a translation seat 12, and a bending assembly disposed on the translation seat 12, where the translation seat 12 is in driving connection with a second swash block 13, the second swash block 13 is driven by hydraulic pressure, the second swash block 13 or the translation seat 12 has a first driving inclined plane 19 and a second driving inclined plane 20, and the first driving inclined plane 19 and the second driving inclined plane 20 make the left bending mechanism 1 and the right bending mechanism 2 approach each other twice or separate each other twice.
It is easy to understand that, in this embodiment, by providing the second inclined block 13, the second inclined block 13 has the first driving inclined surface 19 and the second driving inclined surface 20, so that the translation seat 12 can be driven to move twice, and the switching between the dismounting state and the bending state is completed.
In some embodiments of the present utility model, the first driving bevel 19 and the second driving bevel 20 may be used to separate the left bending mechanism 1 and the right bending mechanism 2 twice to resist the bending force.
In some embodiments of the present utility model, springs may be used to bring left and right bending mechanisms 1 and 2 closer to each other, which is easy to implement and low in cost.
In some embodiments of the present utility model, other structures, such as screws, etc., may be used, but cost and strength concerns are desirable.
In some embodiments of the present utility model, the bending assembly may include a central wheel 14 and a rotating arm 15 having the central wheel 14 as a rotation center, the rotating arm 15 being provided with a presser wheel set 16 and hydraulic power to drive the presser wheel set 16 toward or away from the central wheel 14.
Therefore, the hydraulic power drives the pinch roller group 16 to approach the central wheel 14 to clamp the pipe fitting, and then the pinch roller group 16 rotates around the central wheel 14 under the drive of the rotating arm 15 to bend the pipe fitting.
In some embodiments of the present utility model, the bending assembly may further comprise a fixing member 17, and a clamping member 18 that may be adjacent to the fixing member 17 to clamp the pipe.
It is easy to understand that, in this embodiment, by setting the fixing member 17 and the clamping member 18, the middle part of the pipe fitting can be clamped, so that the pipe fitting is prevented from following movement in the bending process, and the corresponding dimensional accuracy is ensured.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (9)
1. The utility model provides a back iron stand kneading machine of buckling, back iron stand is buckled by a pipe fitting and is kneaded into, its characterized in that, buckle kneading machine includes:
the left bending mechanism is used for bending one end of the U-shaped pipe fitting;
the right bending mechanism is used for bending the other end of the U-shaped pipe fitting so that two ends of the pipe fitting are arranged oppositely, the left bending mechanism and the right bending mechanism can be relatively far away so that two ends of the pipe fitting are separated, and the left bending mechanism and the right bending mechanism can be relatively close to each other so that two ends of the pipe fitting are spliced;
the alignment mechanism is arranged between the left bending mechanism and the right bending mechanism and comprises a side explorator and a side pressing piece, and a limiting channel for accommodating the insertion and kneading of the two ends of the pipe fitting is formed between the side explorator and the side pressing piece.
2. The back iron bending kneader of claim 1, characterised in that the side press is turned upside down to get close to the side profile.
3. The chair back iron frame bending kneader according to claim 2, characterized in that the side pressing piece is connected with a connecting rod, one end of the connecting rod far away from the side pressing piece is hinged with a hydraulic cylinder, and the hydraulic cylinder drives the side pressing piece to turn up and down.
4. The back iron bending kneader of claim 1, further comprising a positioning mechanism for positioning the turning of the U-shaped pipe, the positioning mechanism comprising an inner positioning member and two outer positioning members, the outer positioning members having turning positioning portions for receiving the pipe.
5. The back iron bending kneader of claim 4, wherein the positioning mechanism is located on a side of the left bending mechanism and the right bending mechanism facing away from the alignment mechanism, and the positioning member is adjustable to be away from or near the side fence.
6. The back iron bending kneader of claim 5, one of the left bending mechanism or the right bending mechanism is provided with a first oblique block that abuts the inner retainer to distance the inner retainer from the side form, the retainer mechanism further comprising a return spring that connects the inner retainer to bring the retainer closer to the side form.
7. The chair back iron frame bending kneader of claim 1, characterized in that one of the left bending mechanism or the right bending mechanism comprises a translation seat and a bending component arranged on the translation seat, the translation seat is in transmission connection with a second inclined block, the second inclined block is driven by hydraulic pressure, the second inclined block or the translation seat is provided with a first driving inclined plane and a second driving inclined plane, and the first driving inclined plane and the second driving inclined plane enable the left bending mechanism and the right bending mechanism to approach or separate twice.
8. The back iron bending kneader of claim 7, characterized in that the bending component comprises a center wheel and a rotating arm taking the center wheel as a rotation center, and the rotating arm is provided with a pressing wheel group and hydraulic power for driving the pressing wheel group to be close to or far away from the center wheel.
9. The back iron bending kneader of claim 8, further comprising a fixture, a clamp that can be positioned adjacent to the fixture to clamp the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321231033.8U CN219648548U (en) | 2023-05-19 | 2023-05-19 | Chair back iron frame bending kneader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321231033.8U CN219648548U (en) | 2023-05-19 | 2023-05-19 | Chair back iron frame bending kneader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219648548U true CN219648548U (en) | 2023-09-08 |
Family
ID=87853280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321231033.8U Active CN219648548U (en) | 2023-05-19 | 2023-05-19 | Chair back iron frame bending kneader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219648548U (en) |
-
2023
- 2023-05-19 CN CN202321231033.8U patent/CN219648548U/en active Active
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