CN220372986U - Grinding floating knife handle - Google Patents
Grinding floating knife handle Download PDFInfo
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- CN220372986U CN220372986U CN202321927873.8U CN202321927873U CN220372986U CN 220372986 U CN220372986 U CN 220372986U CN 202321927873 U CN202321927873 U CN 202321927873U CN 220372986 U CN220372986 U CN 220372986U
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- handle shell
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- plunger
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000008602 contraction Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
- 229910052742 iron Inorganic materials 0.000 description 10
- 238000003754 machining Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a grinding floating knife handle, which comprises a radial floating mechanism and an axial floating mechanism; the radial floating mechanism comprises a plunger, an upper connecting plate and a lower connecting plate, wherein the plunger consists of a ball head at the front part and a column body at the rear part; the upper connecting plate and the lower connecting plate are connected to form a ball socket inside, and the ball head of the plunger rotates in the ball socket to realize a radial floating function; the axial floating mechanism comprises a hollow cutter handle shell, a sliding block and an elastic part; the sliding block is arranged in the inner cavity of the cutter handle shell, and is connected with the cylinder of the plunger, so that the cylinder can be driven to axially move in the inner cavity of the cutter handle shell; the elastic component is arranged in the inner cavity of the handle shell, one end of the elastic component is contacted with the sliding block, the other end of the elastic component is contacted with the step of the inner cavity of the handle shell, and the axial floating function is realized through the expansion and the contraction of the elastic component. The utility model has compact structure, good use effect and easy popularization and use, can be used in the field of grinding tools for parts, and has certain reference significance for peer enterprises.
Description
Technical Field
The utility model belongs to the technical field of tool shanks, and particularly relates to a grinding floating tool shank.
Background
At present, along with the continuous development requirement of the technological level, in the hydraulic industry, the requirements on the finish degree of product parts are higher and higher, a plurality of parts have the requirements on grinding processing after processing is completed, the traditional cutter handle is in rigid connection, numerical control processing is required to run the cutter track according to the actual position of a numerical control program, however, the heights of the workpieces are different, the grinding plane shape is not a whole plane, the height difference exists, and for the workpieces, the traditional cutter handle cannot meet the processing requirements of the parts, so that a floating cutter handle with higher flexibility degree and suitable for being used in a machining environment is required.
The prior art discloses a floating knife handle (CN 113600883B), which has the following defects:
1. the floating knife handle is characterized in that the radial floating is realized by the clearance of the floating cavity, the floating range is limited, only smaller floating requirements can be met, the limitation on the shape of a product is larger, in the use process, the floating is realized by the clearance, the precision is low, and the smoothness is not high;
2. scrap iron and iron slag are generated in the machining process. The floating knife handle is realized by the clearance of the floating cavity, and due to the existence of the clearance, iron filings and iron slag enter the clearance to directly cause the blocking of the floating knife handle and lose the floating function, if the continuous operation is in hard contact with a workpiece, the operation danger and the damage to the processed product and the floating knife handle are caused, and the higher potential safety hazard exists.
Disclosure of Invention
According to the defects of the prior art, the utility model discloses a grinding floating knife handle, which has the advantages of compact structure, good use effect and easy popularization and use, can be used in the field of grinding tools of parts, and has certain reference significance for peer enterprises.
The utility model is realized according to the following technical scheme:
a grinding floating knife handle comprises a radial floating mechanism and an axial floating mechanism; the radial floating mechanism comprises a plunger, an upper connecting plate and a lower connecting plate, wherein the plunger consists of a ball head at the front part and a column body at the rear part; the upper connecting plate and the lower connecting plate are connected to form a ball socket inside, and the ball head of the plunger rotates in the ball socket to realize a radial floating function; the axial floating mechanism comprises a hollow cutter handle shell, a sliding block and an elastic part; the sliding block is arranged in the inner cavity of the cutter handle shell, and is connected with the column body of the plunger, so that the column body can be driven to axially move in the inner cavity of the cutter handle shell; the elastic component is arranged in the inner cavity of the handle shell, one end of the elastic component is contacted with the sliding block, the other end of the elastic component is contacted with the step of the inner cavity of the handle shell, and the axial floating function is realized through the expansion and the contraction of the elastic component.
In some embodiments, a plurality of limit pins positioned on the same circular line are arranged on the periphery of the ball head of the plunger, and a plurality of rectangular grooves are arranged at the joint of the upper connecting plate and the lower connecting plate; the limiting pins are positioned in the rectangular grooves, one limiting pin corresponds to one rectangular groove, and the radial floating range is limited by the two limiting pins in a matched mode, and meanwhile the plunger and the upper connecting plate and the lower connecting plate are driven.
In some embodiments, the lower connecting plate, the upper connecting plate, the limiting pin and the plunger form a totally enclosed radial floating mechanism.
In some embodiments, an axial face of the handle housing is configured as an open face to facilitate placement of an external part into the interior cavity; the opening surface is sealed through the locking cover, and the cylinder body of the plug is in sliding fit with the locking cover, so that a gap between the opposite peripheral surfaces of the cylinder body and the locking cover is reduced.
In some embodiments, the tail end of the cylinder of the plunger is inserted into the sliding block, and the tail end of the cylinder of the plunger and the sliding block are connected together through an inserted radial transmission pin.
In some embodiments, a rectangular key slot is machined on the inner wall of the inner cavity of the handle shell, and the transmission pin is matched with the rectangular key slot to realize transmission of the plunger and the handle shell.
In some embodiments, the grinding floating tool handle further comprises an axial elastic force adjusting mechanism, the axial elastic force adjusting mechanism comprises an elastic member mounting seat and an axial moving member connected with the elastic member mounting seat, the elastic member mounting seat is contacted with the elastic member at one end far away from the sliding block, and under the elastic force of the elastic member, the elastic member mounting seat is propped against the step of the inner cavity of the tool handle shell; the axially moving member is disposed in the axial bore of the end of the shank housing remote from the radial float mechanism.
In some embodiments, the axially moving member comprises an adjustment rod and a locking screw; the adjusting rod is in sliding fit in the axial inner hole of the cutter handle shell, and the front end of the adjusting rod is connected with the elastic component mounting seat through an axial bolt; the locking screw is arranged at the tail end of the adjusting rod and is in threaded fit with the axial inner hole of the cutter handle shell, and the elastic force of the elastic component is adjusted by screwing in and screwing out the locking screw.
In some embodiments, the handle shell is of a stepped structure with a wide front part and a narrow rear part, and an inner cavity and an axial inner hole which are communicated are arranged in the handle shell; the axial floating mechanism is arranged in the front inner cavity of the cutter handle shell, and the axial elastic force adjusting mechanism is arranged in the rear axial inner hole.
In some embodiments, the resilient member is a compression spring having a length in a free state that is no less than a distance of the slider to the cavity step.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through ball contact movement between the ball head of the plunger and the ball socket formed by the upper connecting plate and the lower connecting plate, smooth radial floating of the cutter handle is realized, radial floating precision and floating smoothness are ensured by rotation of the ball head ball socket, the floating range is controlled by the limiting pin and the rectangular grooves of the upper connecting plate and the lower connecting plate, and the floating range can meet various requirements;
2. the lower connecting plate, the upper connecting plate, the limiting pin and the plunger form a radial floating mechanism, and the mechanism is totally enclosed. The locking cover is in sliding fit with the cylinder of the plunger, so that impurities such as scrap iron and the like can be prevented from entering the inner cavity of the handle shell. The radial floating structure and the axial floating structure of the utility model have no larger gap, can meet the machining field with severe use environment, can effectively avoid the influence of impurities such as scrap iron and the like on the machining process, and has higher use safety.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
FIG. 1 is a cross-sectional view of a grinding floating shank of the present utility model;
FIG. 2 is a perspective view of a grinding floating shank of the present utility model;
fig. 3 is an assembled perspective view of the plunger and upper web of the present utility model.
The attached drawings are identified: the lower connecting plate 1, the upper connecting plate 2, the limiting pin 3, the plunger 4, the locking cover 5, the transmission pin 6, the sliding block 7, the spring 8, the spring seat 9, the adjusting rod 10, the handle shell 11 and the locking screw 12.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
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. 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.
As shown in fig. 1, 2 and 3, a grinding floating tool shank comprises the following parts: the lower connecting plate 1, the upper connecting plate 2, the limiting pin 3, the plunger 4, the locking cover 5, the transmission pin 6, the sliding block 7, the spring 8, the spring seat 9, the adjusting rod 10, the handle shell 11 and the locking screw 12.
The radial floating mechanism is formed by the lower connecting plate 1, the upper connecting plate 2, the limiting pin 3 and the plunger 4, is of a totally enclosed type, can meet the machining field with severe use environment, and can effectively avoid the influence of impurities such as scrap iron in the machining process on the radial floating mechanism. The locking cover 5, the transmission pin 6, the sliding block 7, the spring 8 and the handle shell 11 form an axial floating mechanism, and axial elastic floating is realized according to the force in the processing process. The spring seat 9, the adjusting rod 10, the handle shell 11 and the locking screw 12 form an axial elastic force adjusting mechanism, and the axial elastic force can be adjusted.
The specific connection relation of the above components is given below:
with continued reference to fig. 1, 2 and 3, a plurality of limiting pins 3 are mounted on the plunger 4, and are fixed between the upper connecting plate 2 and the lower connecting plate 2, the ball head of the plunger 4 rotates in the ball socket formed by the upper connecting plate 2 and the lower connecting plate 1, so that a radial floating function is realized, and meanwhile, the limiting pins 3 on the ball head of the plunger 4 limit the floating range and simultaneously drive the plunger 4, the upper connecting plate 2 and the lower connecting plate 1. The cylinder tail end of the plunger 4 is installed with the sliding block 7 through the transmission pin 6, the locking cover 5 is installed in the handle shell 11, rectangular key grooves are machined in the inner wall of the handle shell 11, and the transmission pin 6 is matched with the rectangular key grooves to realize transmission of the plunger 4 and the handle shell 11. The sliding piece 7 is contacted with the spring 8, the other end of the spring 8 is arranged in the spring seat 9, the spring seat 9 is connected with the adjusting rod 10 through bolts, and axial floating is realized by means of the spring. The adjusting rod 10 is arranged in an inner hole of the handle shell 11, and the tail end of the adjusting rod is provided with a set screw 12, so that the adjustment of the handle elasticity can be realized.
According to the utility model, radial floating of the cutter handle is realized through ball contact movement between the ball head of the plunger 4 and the ball socket formed by the upper connecting plate 2 and the lower connecting plate 1, radial floating precision is ensured by rotation of the ball head ball socket, the floating range is controlled by the limiting pin 3 and the rectangular grooves of the upper connecting plate 2 and the lower connecting plate 1, and the floating range can meet various requirements. The sliding block 7 is precisely matched with the inner hole of the cutter handle shell 11, so that the axial floating precision is ensured, and the locking cover 5 is slidably matched with the cylinder of the plunger 4, so that impurities such as scrap iron can be prevented from entering the inner cavity of the cutter handle shell 11. The grinding floating knife handle can be changed according to the change of the grinding surface shape of the part, so that the grinding disc is tightly attached to the surface of the part, automatic floating avoidance can be realized along with the change of the grinding force, and the flexibility is high. The utility model has compact structure, good use effect and easy popularization and use, can be used in the field of grinding tools for parts, and has certain reference significance for peer enterprises.
In summary, the ball contact movement between the ball head of the plunger and the ball socket formed by the upper connecting plate and the lower connecting plate is adopted to realize that the cutter handle generates smooth radial floating, the rotation of the ball head ball socket ensures the radial floating precision and the floating smoothness, the floating range is controlled by the limiting pin and the rectangular grooves of the upper connecting plate and the lower connecting plate, and the floating range can meet various requirements; the lower connecting plate, the upper connecting plate, the limiting pin and the plunger form a radial floating mechanism, and the mechanism is totally enclosed. The locking cover is in sliding fit with the cylinder of the plunger, so that impurities such as scrap iron and the like can be prevented from entering the inner cavity of the handle shell. The radial floating structure and the axial floating structure of the utility model have no larger gap, can meet the machining field with severe use environment, can effectively avoid the influence of impurities such as scrap iron and the like on the machining process, and has higher use safety.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present application.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.
Claims (10)
1. A grinding floating shank, comprising:
a radial float mechanism comprising:
the plunger consists of a front ball head and a rear cylinder;
the upper connecting plate and the lower connecting plate are connected to form a ball socket inside, and the ball head of the plunger rotates in the ball socket to realize a radial floating function;
an axial float mechanism comprising:
a hollow handle housing;
the sliding block is connected with the cylinder of the plunger and is arranged in the inner cavity of the handle shell and can drive the cylinder to axially move in the inner cavity of the handle shell;
and the elastic component is arranged in the inner cavity of the cutter handle shell, one end of the elastic component is contacted with the sliding block, the other end of the elastic component is contacted with the step of the inner cavity of the cutter handle shell, and the axial floating function is realized through the expansion and the contraction of the elastic component.
2. A grinding floating shank according to claim 1, wherein:
a plurality of limit pins positioned on the same circular line are arranged on the periphery of the ball head of the plunger, and a plurality of rectangular grooves are arranged at the joint of the upper connecting plate and the lower connecting plate;
the limiting pins are positioned in the rectangular grooves, one limiting pin corresponds to one rectangular groove, and the radial floating range is limited by the two limiting pins in a matched mode, and meanwhile the plunger and the upper connecting plate and the lower connecting plate are driven.
3. A grinding floating shank according to claim 2, wherein:
the lower connecting plate, the upper connecting plate, the limiting pin and the plunger form a totally-enclosed radial floating mechanism.
4. A grinding floating shank according to claim 1, wherein:
an axial surface of the handle shell is an opening surface which is convenient for placing external parts into the inner cavity;
the opening surface is sealed through the locking cover, and the cylinder body of the plug is in sliding fit with the locking cover, so that a gap between the opposite peripheral surfaces of the cylinder body and the locking cover is reduced.
5. A grinding floating shank according to claim 1, wherein:
the tail end of the cylinder of the plunger piston is inserted into the sliding block, and the plunger piston and the sliding block are connected together through a radial transmission pin.
6. A grinding floating shank according to claim 5, wherein:
rectangular key grooves are machined in the inner wall of the inner cavity of the cutter handle shell, and the transmission pins are matched with the rectangular key grooves to realize transmission of the plunger and the cutter handle shell.
7. The abrasive floating shank according to claim 1, further comprising:
an axial spring force adjustment mechanism comprising:
the elastic component mounting seat is contacted with one end of the elastic component far away from the sliding block and is propped against the step of the inner cavity of the cutter handle shell under the elastic action of the elastic component;
and the axial moving part is connected with the elastic part mounting seat and is arranged in an axial inner hole of the end of the cutter handle shell away from the radial floating mechanism.
8. The abrasive floating shank according to claim 7, wherein said axially moving member comprises:
the adjusting rod is in sliding fit in the axial inner hole of the cutter handle shell, and the front end of the adjusting rod is connected with the elastic component mounting seat through an axial bolt;
the locking screw arranged at the tail end of the adjusting rod is in threaded fit with the axial inner hole of the handle shell, and the elastic force of the elastic component is adjusted by screwing in and screwing out the locking screw.
9. A grinding floating shank according to claim 7, wherein:
the cutter handle shell is of a stepped structure with wide front and narrow rear, and an inner cavity and an axial inner hole which are communicated are formed in the cutter handle shell;
the axial floating mechanism is arranged in the front inner cavity of the cutter handle shell, and the axial elastic force adjusting mechanism is arranged in the rear axial inner hole.
10. A grinding floating shank according to claim 1, wherein:
the elastic component is a compression spring, and the length of the compression spring in a free state is not smaller than the distance from the sliding block to the inner cavity step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321927873.8U CN220372986U (en) | 2023-07-21 | 2023-07-21 | Grinding floating knife handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321927873.8U CN220372986U (en) | 2023-07-21 | 2023-07-21 | Grinding floating knife handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220372986U true CN220372986U (en) | 2024-01-23 |
Family
ID=89561550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321927873.8U Active CN220372986U (en) | 2023-07-21 | 2023-07-21 | Grinding floating knife handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220372986U (en) |
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2023
- 2023-07-21 CN CN202321927873.8U patent/CN220372986U/en active Active
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