CN216990209U - Gear clamping device - Google Patents
Gear clamping device Download PDFInfo
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- CN216990209U CN216990209U CN202120873333.0U CN202120873333U CN216990209U CN 216990209 U CN216990209 U CN 216990209U CN 202120873333 U CN202120873333 U CN 202120873333U CN 216990209 U CN216990209 U CN 216990209U
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- elastic film
- clamping device
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Abstract
The utility model relates to a gear clamping device, which comprises an elastic film, wherein one side of the elastic film is provided with a driving source for pushing the elastic film to deform, the other side of the elastic film is provided with at least two groups of chuck assemblies for clamping gears, each chuck assembly comprises a positioning base and a hard positioning clamping jaw arranged on the positioning base, each hard positioning clamping jaw is provided with a positioning pin which protrudes towards the direction of the gear and can be inserted into a gear groove, when the driving source pushes the elastic film to deform, the chuck assemblies expand outwards along with the elastic film, and the gears can be placed between the two groups of chuck assemblies; when the driving source pushes the elastic bottom plate to reset, the chuck component clamps and fixes the gear. The utility model has simple structure and small occupied space, can realize automatic clamping and loosening under control and is suitable for automatic production.
Description
Technical Field
The utility model relates to the technical field of auxiliary positioning equipment in gear machining, in particular to a gear clamping device.
Background
In a broad sense, any process in a process, the means for quickly, conveniently and safely mounting a workpiece may be referred to as a fixture. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. When a workpiece is machined on a machine tool, the workpiece needs to be assembled and clamped before machining in order to enable the surface of the workpiece to meet the technical requirements of size, geometric shape, mutual position precision with other surfaces and the like specified in a drawing. Clamps and clamp devices are well known and widely used in the manufacturing industry. Specifically, the fixture has various reference surfaces and points to allow for accurate positioning of the part or tool. In many processes, this is common to the clamp parts so that the parts can be held in the correct juxtaposed relationship during, for example, stamping, riveting, welding, gluing or curing.
The gear is a toothed mechanical part capable of being meshed with each other, the application of the gear in transmission is very early, and the gear needs to be further processed in the production process, so that a clamp for processing the gear is extremely important, the processing and positioning of the planetary gear in the market at present mostly adopt a soft grab or a hydraulic chuck and a high-precision wedge-shaped pin, and the two methods are very complex in clamping, long in time consumption, difficult to install and high in cost. Is difficult to be applied to the automation industry.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the problems of complex processing and positioning, long time consumption and difficult installation of the planetary gear in the prior art, and provide the gear clamping device which is simple in structure, small in occupied space, capable of realizing automatic clamping and loosening under control and suitable for automatic production.
In order to solve the technical problem, the utility model provides a gear clamping device which comprises an elastic bottom sheet, wherein one side of the elastic bottom sheet is provided with a driving source for pushing the elastic bottom sheet to deform, the other side of the elastic bottom sheet is provided with at least two groups of chuck assemblies for clamping gears, each chuck assembly comprises a positioning base and a hard positioning clamping jaw arranged on the positioning base, and the hard positioning clamping jaw is provided with a positioning pin which protrudes towards the direction of the gears and can be inserted into a gear groove;
when the driving source pushes the elastic bottom plate to deform, the chuck assemblies are expanded outwards along with the elastic bottom plate, and the gears can be placed between the two groups of chuck assemblies; when the driving source and the elastic bottom plate reset, the chuck component clamps and fixes the gear.
In one embodiment of the utility model, the plurality of groups of chuck assemblies are circumferentially and uniformly distributed on the elastic bottom sheet by taking the central position of the elastic bottom sheet as an axis.
In one embodiment of the utility model, the driving source is arranged at the central position of the elastic bottom plate, after the driving source pushes the elastic bottom plate to deform, the middle part of the elastic bottom plate is protruded, and the chuck assembly positioned on the elastic bottom plate expands outwards by taking the central position of the elastic bottom plate as a circle center.
In one embodiment of the utility model, the drive source is a hydraulic cylinder.
In one embodiment of the utility model, the elastic bottom sheet is a spring steel sheet, the thickness value of the spring steel sheet is between 6 and 10mm, and the radius value of the spring steel sheet is between 160 and 240 mm.
In one embodiment of the utility model, the positioning base is detachably mounted on the elastic bottom plate through bolts.
In one embodiment of the utility model, the hard positioning clamping jaw is detachably arranged on the positioning base platform through a bolt.
In one embodiment of the utility model, the film clamping device further comprises a limiting disc, the limiting disc and the clamping head assemblies are arranged on one side, the limiting disc is arranged in the center of the plurality of groups of clamping assemblies, a gap is reserved between the limiting disc and the elastic bottom sheet, and the limiting disc is fixedly arranged through the supporting columns.
In an embodiment of the present invention, the limiting plate is provided with a plurality of supporting tables for supporting the gear.
In one embodiment of the utility model, the elastic bottom sheet is fixed on the base by the periphery of the elastic bottom sheet.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the gear clamping device adopts the matching of the elastic bottom plate and the chuck components, when the driving source pushes the elastic bottom plate to deform, the chuck components are outwards expanded along with the elastic bottom plate, and the gear can be placed between the two groups of chuck components; when the driving source is reset, the elastic film and the chuck component return to the initial position, the chuck component clamps and fixes the gear, the chuck component is driven to move through the elastic deformation of the elastic film, the automatic clamping and loosening actions can be realized under the control, and the automatic clamping device is suitable for automatic production; a hard positioning clamping jaw is matched with a positioning pin in the chuck assembly, so that the gear is accurately positioned and grabbed;
in addition, the gear clamping device is simple in structure, small in occupied space, low in cost and low in installation difficulty, and the gear is quickly replaced and clamped through the matching of the self performance of the elastic film and the positioning base station, so that the manual alignment efficiency is greatly improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a perspective view of a first embodiment of a gear clamping device according to the present invention;
fig. 2 is a schematic perspective view of a second embodiment of the gear clamping device of the present invention.
The specification reference numbers indicate: 1. an elastic backsheet; 2. a drive source; 3. a chuck assembly; 31. positioning a base station; 32. a hard positioning jaw; 33. positioning pins; 4. a base; 5. a limiting disc; 6. a support pillar; 7. and a support table.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Example one
Referring to fig. 1, an embodiment of a gear clamping device according to the present invention includes an elastic base plate 1, a driving source 2 for pushing the elastic base plate 1 to deform is disposed on one side of the elastic base plate 1, at least two sets of chuck assemblies 3 for clamping a gear are disposed on the other side of the elastic base plate 1, each chuck assembly 3 includes a positioning base 31 and a hard positioning jaw 32 disposed on the positioning base 31, and a positioning pin 33 protruding toward the gear and capable of being inserted into a gear groove is disposed on the hard positioning jaw 32;
when the driving source 2 pushes the elastic bottom plate 1 to deform, the chuck assemblies 3 are outwards expanded along with the elastic bottom plate 1, and the gear can be placed between the two groups of chuck assemblies 3; when the driving source 2 and the elastic bottom plate 1 are reset, the chuck component 3 is retracted inwards, and the chuck component 3 clamps and fixes the gear.
Specifically, the plurality of groups of collet assemblies 3 are circumferentially and uniformly distributed on the elastic bottom sheet 1 by taking the central position of the elastic bottom sheet 1 as an axis, when two groups of collet assemblies 3 are arranged on the elastic bottom sheet 1, the two groups of collet assemblies 3 are respectively arranged on two sides of the elastic bottom sheet 1 along the extension direction of the diameter, and the connecting line of the positioning pins 33 on the two groups of collet assemblies 3 passes through the central position of the elastic bottom sheet 1; when being provided with three group's cartridge subassemblies 3 on elasticity film 1, the angle between arbitrary adjacent two sets of cartridge subassemblies 3 is 120, and three group's cartridge subassemblies 3 all are on same virtual circle, analogize in proper order, set up the cartridge subassembly 3 of different group numbers according to the gear shape of difference, guarantee to realize the accurate positioning to the gear through cartridge subassembly 3, guaranteed simultaneously that the gear is under the clamping effect of multiunit cartridge subassembly 3, the atress is comparatively balanced, prevents that the gear surface from pressing from both sides and hindering.
Specifically, the driving source 2 is arranged at the central position of the elastic bottom plate 1, after the driving source 2 pushes the elastic bottom plate 1 to deform, the middle of the elastic bottom plate 1 protrudes, the edge position of the elastic bottom plate 1 remains unchanged, and the collet assemblies 3 located on the elastic bottom plate 1 expand outwards with the central position of the elastic bottom plate 1 as the center of a circle, so that the distance between each collet assembly 3 is increased. In this embodiment, the driving source 2 is a hydraulic cylinder, the hydraulic cylinder includes a cylinder body and an expansion link, an output end of the expansion link is connected with the elastic film 1, and in other embodiments, other driving sources 2 may be adopted.
Specifically, the elastic bottom sheet 1 is a spring steel sheet, the thickness value of the spring steel sheet is 6-10 mm, the radius value of the spring steel sheet is 160-240 mm, and the elastic bottom sheet 1 with different thicknesses and radii is selected according to the size of the actually clamped gear.
Specifically, location base station 31 passes through bolt detachable and installs on elasticity film 1, location base station 31 adopts the high rigidity material to make, and the function of polishing of cooperation grinding machine is maintained location base station 31 to suitable size, has guaranteed the precision like this promptly, has more reduced the installation degree of difficulty to, in the use of reality, can choose not unidimensional location base station 31 for use according to the gear of different models, location base station 31 passes through bolt detachable mounting means, the quick replacement of being convenient for.
In one embodiment of the present invention, the hard positioning clamping jaw 32 is detachably mounted on the positioning base 31 through a bolt, on one hand, in the process of long-term use, the positioning pin of the hard positioning clamping jaw 32 is easy to wear, deform and fluff, and the detachable mounting mode facilitates detachment and replacement; on the other hand, different sizes of the hard positioning clamping jaws 32 can be replaced, and the gear finishing machine is suitable for different sizes of gears.
Example two
Referring to fig. 2, another embodiment of the gear clamping device of the present invention includes not only the elastic base plate 1, the driving source 2 and the chuck assembly 3 in the first embodiment, but also a base 4 for mounting the elastic base plate 1 and a limiting disc 5 for placing a gear, which is further improved over the first embodiment, so that the gear clamping device of the present invention is more suitable for automated production.
Specifically, the periphery of the elastic film 1 is fixed on the base 4, so that when the driving source 2 pushes the elastic film 1 to deform, the elastic film 1 is prevented from phase shifting under the driving of the driving source 2.
In this embodiment, set up spacing dish 5 can be with the gear butt on spacing dish 5, the convenient further injecing to the gear position, spacing dish 5 sets up in one side with cartridge assembly 3, spacing dish 5 sets up the central point at multiunit clamping assembly 3 and puts, spacing dish 5 sets up with elasticity film 1 separation, leave the space that supplies elasticity film elastic deformation between spacing dish 5 and the elasticity film 1, spacing dish 5 passes through support column 6 fixed the setting, support column 6 passes elasticity film 1 is fixed on base 4.
Specifically, a plurality of supporting platforms 7 for supporting the gears are arranged on the limiting disc 5.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the utility model.
Claims (10)
1. A gear clamping device is characterized in that: the elastic film clamping device comprises an elastic film, wherein a driving source for pushing the elastic film to deform is arranged on one side of the elastic film, at least two groups of chuck assemblies for clamping gears are arranged on the other side of the elastic film, each chuck assembly comprises a positioning base and a hard positioning clamping jaw arranged on the positioning base, and positioning pins which protrude towards the direction of the gears and can be inserted into gear grooves are arranged on the hard positioning clamping jaws;
when the driving source pushes the elastic bottom plate to deform, the chuck assemblies are expanded outwards along with the elastic bottom plate, and the gears can be placed between the two groups of chuck assemblies; when the driving source and the elastic bottom plate reset, the chuck component clamps and fixes the gear.
2. The gear clamping device of claim 1, wherein: the multiple groups of chuck components are uniformly distributed on the elastic bottom sheet in the circumferential direction by taking the central position of the elastic bottom sheet as an axis.
3. The gear clamping device of claim 1, wherein: the driving source is arranged at the central position of the elastic film, the middle part of the elastic film is protruded after the driving source pushes the elastic film to deform, and the chuck component positioned on the elastic film outwards expands by taking the central position of the elastic film as the center of a circle.
4. The gear clamping device of claim 1, wherein: the driving source is a hydraulic cylinder.
5. The gear clamping device of claim 1, wherein: the elastic bottom sheet is a spring steel sheet, the thickness value of the spring steel sheet is 6-10 mm, and the radius value is 160-240 mm.
6. The gear clamping device of claim 1, wherein: the positioning base station is detachably arranged on the elastic bottom plate through bolts.
7. The gear clamping device of claim 1, wherein: the hard positioning clamping jaw is detachably arranged on the positioning base platform through a bolt.
8. The gear clamping device of claim 1, wherein: the clamping device is characterized by further comprising a limiting disc, the limiting disc and the clamping head assembly are arranged on one side, the limiting disc is arranged at the center of the multi-group clamping assembly, a gap is reserved between the limiting disc and the elastic film, and the limiting disc is fixedly arranged through a supporting column.
9. The gear clamping device of claim 8, wherein: and a plurality of supporting tables for supporting the gear are arranged on the limiting disc.
10. The gear clamping device of claim 1, wherein: the elastic film is characterized by further comprising a base used for mounting the elastic film, and the periphery of the elastic film is fixed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120873333.0U CN216990209U (en) | 2021-04-26 | 2021-04-26 | Gear clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120873333.0U CN216990209U (en) | 2021-04-26 | 2021-04-26 | Gear clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216990209U true CN216990209U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120873333.0U Active CN216990209U (en) | 2021-04-26 | 2021-04-26 | Gear clamping device |
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| CN (1) | CN216990209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422989A (en) * | 2023-06-13 | 2023-07-14 | 泰州市华驰不锈钢制品有限公司 | Stainless steel gear fixing clamp |
-
2021
- 2021-04-26 CN CN202120873333.0U patent/CN216990209U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422989A (en) * | 2023-06-13 | 2023-07-14 | 泰州市华驰不锈钢制品有限公司 | Stainless steel gear fixing clamp |
| CN116422989B (en) * | 2023-06-13 | 2023-08-22 | 泰州市华驰不锈钢制品有限公司 | Stainless steel gear fixing clamp |
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