CN211727707U - Shear blade gap adjusting structure of circle shear - Google Patents
Shear blade gap adjusting structure of circle shear Download PDFInfo
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- CN211727707U CN211727707U CN202020307693.XU CN202020307693U CN211727707U CN 211727707 U CN211727707 U CN 211727707U CN 202020307693 U CN202020307693 U CN 202020307693U CN 211727707 U CN211727707 U CN 211727707U
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Abstract
The utility model provides a circle shear blade clearance adjustment structure, include: the device comprises a pressing device, an eccentric shaft, an eccentric sleeve, a motor, a speed reducer and an absolute value encoder; the eccentric shaft is embedded in a gap between the lower cutter body assembly structure and the upper cutter body assembly structure, and the rotation of the eccentric shaft enables the box body to drive the cutter shaft and the disc shear blades (the lower cutter body assembly structure and the upper cutter body assembly structure) to displace, so that the change of the distance between the paired shear blades is realized, and the shear blade gap which is adjusted to meet the requirement is achieved. The clearance change mode is a swing curve motion mode, and the action of the connecting rod is fully utilized, so that the displacement of the shear blade in the horizontal direction is proper, and the displacement in the vertical direction is small. The structure determines that the deformation length of the bearing axial force of the disc cutter shaft is relatively short when the disc shear shears, and the stability can be enhanced.
Description
Technical Field
The utility model relates to the technical field of machining, particularly, especially, relate to a circle shear blade clearance adjustment structure.
Background
With the rapid development of national economy, particularly the development of the automobile industry and the household appliance industry, the quality requirement on cold-rolled products is higher and higher, and the requirement on the width dimension precision of the plate is stricter and stricter.
The most basic numbers of a set of disc shear bodies, an upper disc shear blade, a lower disc shear blade, a cutter shaft for supporting the shear blades and a bearing for bearing rotation are inevitable. Because the shear blade clearance needs to be adjusted adaptively according to the parameters and specifications of the strip steel such as variety, thickness and the like when the disc shear shears, a structure capable of adjusting the shear blade clearance must be arranged in the paired disc shear blade and shear blade shaft structures. The structures are integrated together, so that the disc shear can shear band steel with different specifications. Different disc shear gap adjustment configurations will thereby produce different effects.
In order to meet the requirement of large-scale production, increase the precision stability of the width dimension of the product and improve the precision supply quality of the width dimension of the product, a circle shear structure with more optimized structure and increased stability is needed.
(1) Original mechanism is the direct adjustment formula, though drive structure is different, but all with removing one of them arbor of arbor in pairs, drives disc shear blade axial motion, realizes the change of the interval of shear blade in pairs, reaches the shear blade clearance of adjusting to the adaptation requirement. The gap adjustment changing mode is a linear motion mode.
(2) The direct adjusting structure is limited by the installation requirement of the disc shear blade at the front end of the cutter shaft, and a driving structure can be arranged behind the cutter shaft, so that the axial force of the cutter shaft bears a bearing, and the placement position is deviated to the rear part of the cutter shaft. The structure determines that the deformation length of the disc cutter shaft for bearing the axial force is relatively long when the disc shear shears. Is one of the factors affecting stability.
Disclosure of Invention
In view of the above technical problem, a structure for adjusting the gap between the cutting edges of the circle shear by the eccentric shaft and the eccentric sleeve is provided.
The utility model discloses a technical means as follows:
a shear blade gap adjusting structure of a circle shear is assembled between a lower cutter body assembling structure and an upper cutter body assembling structure;
the method comprises the following steps: the device comprises a pressing device, an eccentric shaft, an eccentric sleeve, a motor, a speed reducer and an absolute value encoder;
the eccentric shaft is embedded in a gap between the lower cutter body assembly structure and the upper cutter body assembly structure and is driven to rotate by the motor and the speed reducer;
the eccentric sleeve is sleeved outside the eccentric shaft;
the absolute value encoder is arranged at the shaft end part of the eccentric shaft;
the eccentric sleeve is fixedly provided with a connecting frame, the connecting frame is provided with a limiting arm extending out in the radial direction, the pressing end part of the pressing device presses on the limiting arm to provide continuous pressing force, and then the side clearance of the cutting edge adjusted by the eccentric sleeve is constant, namely the eccentric sleeve is always pressed by the pressing device in the rotating process to ensure the rotating precision of the eccentric sleeve;
the required rotation angle, namely the gap between the lower cutter body assembly structure and the upper cutter body assembly structure, is controlled by an absolute value encoder;
the elastic component of the pressing device for providing the downward pressure is a disc spring group.
Adopt above-mentioned technical scheme the utility model discloses, make the box drive arbor and disc shear blade (lower cutter body assembly structure and upper cutter body assembly structure) take place the displacement by the rotation of eccentric shaft, realize the change of the interval of shear blade in pairs, reach the shear blade clearance of adjusting to the adaptation requirement. The clearance change mode is a swing curve motion mode, and the action of the connecting rod is fully utilized, so that the displacement of the shear blade in the horizontal direction is proper, and the displacement in the vertical direction is small. The axial force bearing of the cutter shaft is solved by the adjusting structure, and the cutter shaft can be placed in the front of the cutter shaft. The structure determines that the deformation length of the bearing axial force of the disc cutter shaft is relatively short when the disc shear shears, and the stability can be enhanced.
Compared with the prior art, the utility model has the advantages of it is following:
1. the clearance control is accurate.
2. The axial movement of cutter body assembly is inhibited in the shearing process, so that the constancy of the shear blade clearance in the long-term shearing process is ensured, and the shearing work is more stable and the quality of the sheared strip steel is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a side view of the overall structure of the present invention.
Fig. 2 is an enlarged view of the X position in fig. 1.
Fig. 3 is a cross-sectional view of fig. 1D-D.
In the figure: 1. a lower cutter body assembly structure;
2. an upper cutter body assembly structure;
3. a pressing device; 31. a disc spring set; 32. a guide bar; 33. a contact;
4. an eccentric shaft;
5. an eccentric sleeve; 51. a connecting frame;
6. a motor and a speed reducer;
7. an absolute value encoder.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1 and 3, the utility model provides a shear blade gap adjusting structure of a circle shear, which is assembled between a lower cutter body assembling structure 1 and an upper cutter body assembling structure 2;
the method comprises the following steps: the device comprises a pressing device 3, an eccentric shaft 4, an eccentric sleeve 5, a motor and speed reducer 6 and an absolute value encoder 7;
the eccentric shaft 4 is embedded in a gap between the lower cutter body assembly structure 1 and the upper cutter body assembly structure 2 and is driven to rotate by a motor and a speed reducer 6;
the eccentric sleeve 5 is sleeved outside the eccentric shaft 4;
the absolute value encoder 7 is provided at the axial end portion of the eccentric shaft 4;
a connecting frame 51 is fixed on the eccentric sleeve 5, the connecting frame 51 is provided with a limiting arm 52 which extends out in the radial direction, the pressing end part of the pressing device 3 is pressed on the limiting arm 52 to provide continuous pressing force, and further the side clearance of the cutting edge adjusted by the eccentric sleeve is constant, namely the eccentric sleeve 5 is always pressed by the pressing device 3 in the rotating process to ensure the rotating precision of the eccentric sleeve 5;
the required rotation angle, namely the gap between the lower cutter body assembly structure 1 and the upper cutter body assembly structure 2 is controlled by an absolute value encoder 7;
as shown in fig. 2, the elastic member of the pressing device 3 providing the pressing force is a disc spring set 31, the movable member for pressing is a guide rod 32, and the contact member for pressing is a contact 33 at the end of the guide rod 32.
Adopt above-mentioned technical scheme the utility model discloses, make the box drive arbor and disc shear blade (lower cutter body assembly structure 1 and upper cutter body assembly structure 2) take place the displacement by the rotation of eccentric shaft 4, realize the change to the interval of shear blade, reach the shear blade clearance of adjusting to the adaptation requirement. The clearance change mode is a swing curve motion mode, and the action of the connecting rod is fully utilized, so that the displacement of the shear blade in the horizontal direction is proper, and the displacement in the vertical direction is small. The axial force bearing of the cutter shaft is solved by the adjusting structure, and the cutter shaft can be placed in the front of the cutter shaft. The structure determines that the deformation length of the bearing axial force of the disc cutter shaft is relatively short when the disc shear shears, and the stability can be enhanced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (2)
1. A shear blade gap adjusting structure of a circle shear is assembled between a lower cutter body assembling structure (1) and an upper cutter body assembling structure (2);
it is characterized by comprising: the device comprises a pressing device (3), an eccentric shaft (4), an eccentric sleeve (5), a motor and speed reducer (6) and an absolute value encoder (7);
the eccentric shaft (4) is embedded in a gap between the lower cutter body assembly structure (1) and the upper cutter body assembly structure (2) and is driven to rotate by a motor and a speed reducer (6);
the eccentric sleeve (5) is sleeved outside the eccentric shaft (4);
the absolute value encoder (7) is arranged at the shaft end part of the eccentric shaft (4);
a connecting frame (51) is fixed on the eccentric sleeve (5), the connecting frame (51) is provided with a limiting arm (52) which extends out in the radial direction, the pressing end part of the pressing device (3) is pressed on the limiting arm (52) to provide continuous pressing force, and then the side clearance of the cutting edge adjusted by the eccentric sleeve is constant, namely the eccentric sleeve (5) is always pressed by the pressing device (3) in the rotating process to provide pressure so as to ensure the rotating precision of the eccentric sleeve (5);
the required rotation angle, namely the gap between the lower cutter body assembly structure (1) and the upper cutter body assembly structure (2), is controlled through an absolute value encoder (7).
2. A shear blade gap adjustment structure of a disc shear according to claim 1,
the elastic component of the pressing device (3) for providing the downward pressure is a disc spring group (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307693.XU CN211727707U (en) | 2020-03-12 | 2020-03-12 | Shear blade gap adjusting structure of circle shear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307693.XU CN211727707U (en) | 2020-03-12 | 2020-03-12 | Shear blade gap adjusting structure of circle shear |
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| Publication Number | Publication Date |
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| CN211727707U true CN211727707U (en) | 2020-10-23 |
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| CN202020307693.XU Active CN211727707U (en) | 2020-03-12 | 2020-03-12 | Shear blade gap adjusting structure of circle shear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619091A (en) * | 2022-03-28 | 2022-06-14 | 共享装备股份有限公司 | Cutting device |
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2020
- 2020-03-12 CN CN202020307693.XU patent/CN211727707U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114619091A (en) * | 2022-03-28 | 2022-06-14 | 共享装备股份有限公司 | Cutting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220727 Address after: 243000 no.669 Chaoshan Road, economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee after: TAIER HEAVY INDUSTRY Co.,Ltd. Address before: 243000 room 212, office building, 159 huxinan Road, Maanshan economic and Technological Development Zone, Anhui Province Patentee before: Anhui Yaotai Engineering Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |