CN203678968U - Dual-arm stretch mechanism - Google Patents
Dual-arm stretch mechanism Download PDFInfo
- Publication number
- CN203678968U CN203678968U CN201320875321.7U CN201320875321U CN203678968U CN 203678968 U CN203678968 U CN 203678968U CN 201320875321 U CN201320875321 U CN 201320875321U CN 203678968 U CN203678968 U CN 203678968U
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- China
- Prior art keywords
- stretch
- slide plate
- driving device
- arms
- guide
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000005452 bending Methods 0.000 abstract description 15
- 238000000465 moulding Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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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 field of molding and machining of guide rails and discloses a dual-arm stretch mechanism used in guide rail bending and molding equipment. The dual-arm stretch mechanism comprises a stretch driving device, two stretch arms, two guide plates and two slide plates; the stretch arms, the guide plates and the slide plates are distributed at two sides of the stretch driving device and are symmetrical. According to the dual-arm stretch mechanism, the stretch arms are arranged at two sides of the stretch driving device and are symmetrical, when the slide plates are driven by the stretch driving device to rotate around rotary holes through the stretch arms, the displacement of the slide plates in the vertical direction is limited by the guide plates, and the tension generated by the dual-arm stretch mechanism is uniform and is not changed in the tension and vertical directions, so the stability in bending and molding is good, and the cross sections at the bending positions of the guide rails are not easy to deform; meanwhile, two guide rails can be stretched by stretching the dual arms once, so the molding efficiency is greatly improved.
Description
Technical field
The utility model relates to molding of guide rail manufacture field, relates in particular to a kind of both arms drawing mechanism for guide rail bending forming equipment.
Background technology
A kind of middle guide part that is widely used in arrangements for automotive doors slip, its position near end need to be bent into circular-arc, but because the section bar that forms this middle guide belongs to unsymmetrical section and has cavity, make this middle guide in bending forming process, under the effect of bending power and moment of flexure, its kink middle guide cross section very easily produces distortion.In prior art, conventional drawing mechanism is simple tension, once can only process a guide rail, the less stable of its pulling force, and in the process of stretch bending, the direction of pulling force can change, thereby causes the bending place cross section of guide rail to produce distortion.
Therefore, be necessary to design a kind of tensile force even, the drawing mechanism of stable and reliable operation, in guaranteeing processing and forming efficiency, guarantees the stability of stretching, reduces as much as possible the deformation rate in middle guide cross section.
Summary of the invention
The technical problems to be solved in the utility model is to solve drawing mechanism simple tension in prior art, the less stable of pulling force, and in the process of stretch bending, the direction of pulling force can change, thereby causes the bending place cross section of guide rail to produce the defect of distortion.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows: a kind of both arms drawing mechanism, comprise tensile driving device, stretching arm, guide plate and slide plate, the quantity of described stretching arm, described guide plate and described slide plate is 2, and described in being distributed in respectively, stretches the both sides of drive unit symmetrical mutually; One end of described stretching arm and described tensile driving device are hinged, and the other end and described slide plate are hinged; Described slide plate is provided with the hinge hole hinged with described stretching arm and rotary hole; Described guide plate is fixedly installed, for guiding described slide plate to rotate around described rotary hole; Described tensile driving device drives described slide plate to rotate around described rotary hole under the guiding of described guide plate.
Further, described guide plate is provided with intrados, and the center of described intrados is concentric with described rotary hole, is also provided with the gathering sill for guiding described slide plate rotation on described intrados.
Further, described slide plate is provided with the guide cam matching with described gathering sill.
Further, described tensile driving device comprises stretching hydraulic cylinder, the piston rod and be fixedly installed on the tension block of described stretching piston rod end of stretching, and described tension block and described stretching arm are hinged.
Both arms drawing mechanism of the present utility model, its stretching arm is arranged at the both sides of tensile driving device and symmetrical mutually, stretch by stretching arm at tensile driving device and drive slide plate in its rotary hole rotation, its guide plate has limited the displacement of slide plate vertical direction, the tension uniform of the generation of this both arms drawing mechanism, and pulling force all can not change at draw direction and vertical direction, therefore, its bending forming good stability, the cross section at guide rail stretch bending place is also difficult for producing distortion; Meanwhile, both arms stretch once simultaneously can two guide rails of bending forming, and its shaping efficiency greatly improves.
Accompanying drawing explanation
Accompanying drawing is herein used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form to improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is the structural representation of the present embodiment both arms drawing mechanism;
Fig. 2 is the structural representation of guide plate in the present embodiment;
Fig. 3 is the structural representation of the present embodiment middle slide plate;
Fig. 4 is the structural representation of tensile driving device in the present embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and concrete embodiment, embodiment of the present utility model is described in further detail.It should be noted that, be below preferred embodiment of the present utility model, but not to concrete restriction of the present utility model.
Embodiment of the present utility model, a kind of guide rail bending forming equipment, as shown in Figure 1, it comprises tensile driving device 30, stretching arm 34, guide plate 35 and slide plate 36.In the present embodiment, the quantity of its stretching arm 34, guide plate 35 and slide plate 36 is 2, and is distributed in respectively both sides the mutual symmetry of stretching drive unit 30.One end of its stretching arm 34 and tensile driving device 30 are hinged, and the other end and slide plate 36 are hinged.On above-mentioned slide plate 36, be provided with the hinge hole 363 hinged with stretching arm 34 and rotary hole 362.
In the present embodiment, its guide plate 35 is fixedly installed, for guiding described slide plate 36 to rotate around rotary hole 362; A kind of preferred guide frame, as shown in Figure 2, on its guide plate 35, be provided with intrados 351, and intrados 351 center is concentric with above-mentioned rotary hole 362, on above-mentioned intrados 351, be also provided with the gathering sill 352 rotating for guiding plate 36, accordingly as shown in Figure 3, on slide plate 36, be provided with the guide cam 361 matching with gathering sill 352.This guide frame, it has not only limited the direction of rotation of slide plate 36 under tensile force effect, and gathering sill 352 has limited the displacement of slide plate 36 vertical directions, the tensile force good stability that is, the direction of tensile force also can not change, thereby guarantees the molding effect of stretch bending distortion.
In a word, be more than preferred forms of the present utility model, it should be pointed out that the improvement of making for those skilled in the art in the situation that not departing from the utility model substantive distinguishing features, be all considered as protection domain of the present utility model.
Claims (4)
1. a both arms drawing mechanism, it is characterized in that: comprise tensile driving device (30), stretching arm (34), guide plate (35) and slide plate (36), the quantity of described stretching arm (34), described guide plate (35) and described slide plate (36) is 2, and described in being distributed in respectively, stretches the both sides of drive unit (30) symmetrical mutually; One end of described stretching arm (34) and described tensile driving device (30) are hinged, and the other end and described slide plate (36) are hinged; Described slide plate (36) is provided with the hinge hole (363) hinged with described stretching arm (34) and rotary hole (362); Described guide plate (35) is fixedly installed, for guiding described slide plate (36) to rotate around described rotary hole (362); Described tensile driving device (30) drives described slide plate (36) to rotate around described rotary hole (362) under the guiding of described guide plate (35).
2. according to both arms drawing mechanism claimed in claim 1, it is characterized in that: described guide plate (35) is provided with intrados (351), the center of described intrados (351) is concentric with described rotary hole (362), is also provided with the gathering sill (352) for guiding described slide plate (36) rotation on described intrados (351).
3. according to both arms drawing mechanism claimed in claim 2, it is characterized in that: described slide plate (36) is provided with the guide cam (361) matching with described gathering sill (352).
4. according to the both arms drawing mechanism described in claim 1-3 any one, it is characterized in that: described tensile driving device (30) comprises stretching hydraulic cylinder (31), stretching piston rod (32) and be fixedly installed on the tension block (33) of described stretching piston rod (32) end, described tension block (33) is hinged with described stretching arm (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875321.7U CN203678968U (en) | 2013-12-30 | 2013-12-30 | Dual-arm stretch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875321.7U CN203678968U (en) | 2013-12-30 | 2013-12-30 | Dual-arm stretch mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203678968U true CN203678968U (en) | 2014-07-02 |
Family
ID=51000928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320875321.7U Expired - Lifetime CN203678968U (en) | 2013-12-30 | 2013-12-30 | Dual-arm stretch mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203678968U (en) |
-
2013
- 2013-12-30 CN CN201320875321.7U patent/CN203678968U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Taizhou City, Zhejiang province 317300 Xianju County Sanyang Street South Peak bottom Patentee after: Xingyu Auto Parts Co.,Ltd. Address before: Xianju South Street peak Sanyang village in Taizhou city of Zhejiang province at the end of 317300 Patentee before: ZHEJIANG XINGYU AUTOPARTS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |