CN215789957U - Clamping jaw structure - Google Patents
Clamping jaw structure Download PDFInfo
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- CN215789957U CN215789957U CN202122026389.5U CN202122026389U CN215789957U CN 215789957 U CN215789957 U CN 215789957U CN 202122026389 U CN202122026389 U CN 202122026389U CN 215789957 U CN215789957 U CN 215789957U
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- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
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- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a clamping jaw structure which comprises an air cylinder, two pull rods and clamping rods, wherein the two pull rods are in hinged fit with telescopic ends of the air cylinder, the clamping rods are in hinged fit with the pull rods, the two clamping rods connected with the two pull rods are respectively and rotatably arranged on a rotating shaft, the rotating shaft is positioned between a clamping end of each clamping rod and a driving end matched with the pull rod, and the telescopic direction of the air cylinder is approximately vertical to the connecting line of the two rotating shafts. According to the utility model, the telescopic end of the cylinder is respectively connected with the clamping rods through the two pull rods, so that the clamping rods can be driven to rotate through the telescopic action of the cylinder to realize the opening and the clamping, the opening angle of the two clamping rods is larger, the use is convenient, the clamping force is provided through the extension of the cylinder, and the clamping effect is better.
Description
Technical Field
The utility model relates to the technical field of tool fixtures, in particular to a clamping jaw structure.
Background
In the machining process, a clamping jaw is often used for grabbing and transferring a workpiece; however, the conventional clamping jaw mechanism is generally similar to a pliers structure, clamping jaws on two sides rotate around the same rotating shaft or respectively rotate around the rotating shaft, the opening angle of the clamping jaws is small, the width between the clamping jaws after the clamping jaws are opened is small, and the clamping jaw mechanism is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a clamping jaw structure with a larger opening angle so as to conveniently clamp and take a workpiece.
The utility model solves the technical problems through the following technical scheme: the clamping jaw structure comprises a cylinder, two pull rods in hinged fit with the telescopic end of the cylinder, and clamping rods in hinged fit with the pull rods, wherein the two clamping rods connected with the two pull rods are respectively rotatably installed on a rotating shaft, the rotating shaft is located between the clamping end of the clamping rods and the driving end matched with the pull rods, and the telescopic direction of the cylinder is approximately vertical to the connecting line of the two rotating shafts.
According to the utility model, the telescopic end of the cylinder is respectively connected with the clamping rods through the two pull rods, so that the clamping rods can be driven to rotate through the telescopic action of the cylinder to realize the opening and the clamping, the opening angle of the two clamping rods is larger, the use is convenient, the clamping force is provided through the extension of the cylinder, and the clamping effect is better.
Preferably, a connecting rod perpendicular to the stretching direction is fixed at the stretching end of the air cylinder, and two ends of the connecting rod are respectively in hinged fit with the end parts of the two clamping rods.
Preferably, the clamping rod is further fixedly provided with a clamping head, the clamping head comprises a connecting portion and clamping portions, the connecting portion is fixedly matched with the clamping rod, and clamping spaces are formed between the clamping portions on the clamping rods on the two sides.
Preferably, the surface of the clamping part is provided with a limiting groove which is concave relative to the clamping space.
Preferably, the connecting portion is fixed to an outer side of the clamping bar with respect to the clamping space.
Preferably, the clamping rod and the connecting part are detachably fixed through bolts.
Preferably, a fixed plate is arranged on the cylinder body of the air cylinder, and the rotating shaft is fixed on the fixed plate.
Preferably, the cylinder body is further provided with a fixing seat, the telescopic end of the cylinder penetrates through the fixing seat, and the fixing plate is fixed on the fixing seat.
The clamping jaw structure provided by the utility model has the advantages that: the clamping bar is connected respectively through two pull rods to the flexible end of cylinder to can rotate through the flexible drive clamping bar of cylinder and realize opening and pressing from both sides tightly, the angle that opens of two clamping bars is bigger, facilitates the use, provides the clamp force through the extension of cylinder, and the centre gripping effect is better. The clamping of tubular structure is realized through the chuck that has the spacing groove to press from both sides, and convenient to use fixes whole clamping jaw through installation fixing base and fixed plate on the cylinder to the installation that whole clamping jaw structure was realized to the accessible fixing base is fixed, and the position of waiting to use can be nimble installing.
Drawings
FIG. 1 is a schematic view of a jaw structure clamping state provided by an embodiment of the utility model;
FIG. 2 is a schematic illustration of an expanded state of a jaw structure provided by an embodiment of the present invention;
fig. 3 and 4 are schematic diagrams of the opening angle of the clamping jaw structure under different lengths of pull rods provided by the embodiment of the utility model.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below in detail and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With reference to fig. 1 and fig. 2, the present embodiment provides a clamping jaw structure, including a cylinder 1, two pull rods 2 in hinged fit with the telescopic end of the cylinder 1, and a clamping rod 3 in hinged fit with the pull rods 2, where the two clamping rods 3 connected to the two pull rods 2 are respectively rotatably mounted on a rotating shaft 4, the rotating shaft 4 is located between the clamping end of the clamping rod 3 and the driving end in fit with the pull rods 2, the cylinder 1 is located in the middle of the two rotating shafts 4, and the telescopic direction is substantially perpendicular to the connecting direction of the two rotating shafts 4.
This embodiment connects clamping bar 3 respectively through two pull rods 2 at the flexible end of cylinder 1 to can rotate through the flexible drive clamping bar 3 of cylinder 1 and realize opening and pressing from both sides tightly, two clamping bar 3 open the angle bigger, facilitate the use, provide the clamp force through the extension of cylinder 1, the centre gripping effect is better.
The telescopic end of the cylinder 1 is fixedly provided with a connecting rod 5 vertical to the telescopic direction, two ends of the connecting rod 5 are respectively hinged and matched with the end parts of the two clamping rods 2, and the middle position of the connecting rod 5 is fixed with the telescopic end of the cylinder 1.
The clamping rod 3 is further fixedly provided with a clamping head 6, the clamping head 6 comprises a connecting portion 61 and clamping portions 62, the connecting portion 61 is fixedly matched with the clamping rod 3, a clamping space is formed between the clamping portions 62 on the clamping rods 3 on two sides, and workpieces are clamped through the clamping portions 62 on the two sides. Furthermore, the surface of the clamping portion 62 has a limiting groove (not shown) recessed relative to the clamping space, so as to facilitate clamping and fixing the workpiece whose surface is arc-shaped. The connecting portion 61 is fixed to the outer side of the clamping rod 3 with respect to the clamping space, and specifically, the clamping head and the connecting portion 61 are detachably and fixedly connected through a bolt, so that a damaged component can be conveniently and independently replaced.
The cylinder body of the cylinder 1 is provided with a fixing plate 7, the rotating shaft 4 is fixed on the fixing plate 7, and the rotating shaft 4 is perpendicular to the fixing plate 7. Still be provided with fixing base 8 on the cylinder body, the flexible end of cylinder 1 passes fixing base 8, fixed plate 7 is fixed on fixing base 8.
With reference to fig. 3 and 4, the jaw structure provided in this embodiment can change the opening angle of the two chucks 6 by using the pull rod 2 with different lengths, and when the pull rod 2 is perpendicular to the telescopic end of the cylinder 1, the chucks 6 on both sides are clamped and fixed in a state of minimum distance, so that when the length of the pull rod 2 is changed, the distance between the clamping rod 3 and the cylinder 1 needs to be adaptively changed, and when the cylinder 1 is contracted, when the pull rod 2 and the clamping rod 3 are in the same straight line, the pull rod 3 is at the maximum opening angle. For example, in fig. 3, a pull rod 2 with a length of 28.5mm is used, and the angle of the two clamping heads 6 in the expanded state is 82.93 degrees; in fig. 4, a 25mm length pull rod 2 is used, and the angle of the two clamping heads 6 in the open state is 74.07 °. Meanwhile, holes can be formed in different positions according to requirements so as to install the clamping rods 3 of the rotating shaft 4, and different opening angles can be realized.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A jaw structure, characterized by: the clamping device comprises an air cylinder, two pull rods and a clamping rod, wherein the two pull rods are in hinged fit with the telescopic end of the air cylinder, the clamping rod is in hinged fit with the pull rods, the two clamping rods are connected with the two pull rods and are respectively rotatably installed on a rotating shaft, the rotating shaft is located between the clamping end of the clamping rod and the driving end matched with the pull rods, and the telescopic direction of the air cylinder is approximately vertical to the connecting line of the two rotating shafts.
2. A jaw construction according to claim 1 wherein: and a connecting rod vertical to the telescopic direction is fixed at the telescopic end of the cylinder, and two ends of the connecting rod are respectively in hinged fit with the end parts of the two clamping rods.
3. A jaw construction according to claim 1 wherein: the clamping device is characterized in that a clamping head is further fixed on the clamping rod and comprises a connecting portion and clamping portions, the connecting portion is fixedly matched with the clamping rod, and clamping spaces are formed between the clamping portions on the clamping rods on the two sides.
4. A jaw construction according to claim 3 wherein: the surface of the clamping part is provided with a limiting groove which is sunken relative to the clamping space.
5. A jaw construction according to claim 3 wherein: the connecting part is fixed on the outer side of the clamping rod relative to the clamping space.
6. A jaw construction according to claim 5, wherein: the connecting part and the clamping rod are detachably fixed through bolts.
7. A jaw construction according to claim 1 wherein: a fixed plate is arranged on the cylinder body of the air cylinder, and the rotating shaft is fixed on the fixed plate.
8. A jaw construction according to claim 7 wherein: still be provided with the fixing base on the cylinder body, the flexible end of cylinder passes the fixing base, the fixed plate is fixed on the fixing base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122026389.5U CN215789957U (en) | 2021-08-25 | 2021-08-25 | Clamping jaw structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122026389.5U CN215789957U (en) | 2021-08-25 | 2021-08-25 | Clamping jaw structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215789957U true CN215789957U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122026389.5U Active CN215789957U (en) | 2021-08-25 | 2021-08-25 | Clamping jaw structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215789957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284195A (en) * | 2022-09-05 | 2022-11-04 | 杭州电子科技大学 | an automatic clamping device |
-
2021
- 2021-08-25 CN CN202122026389.5U patent/CN215789957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284195A (en) * | 2022-09-05 | 2022-11-04 | 杭州电子科技大学 | an automatic clamping device |
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