CN217019522U - CNC work piece self-holding frock - Google Patents
CNC work piece self-holding frock Download PDFInfo
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- CN217019522U CN217019522U CN202220276722.XU CN202220276722U CN217019522U CN 217019522 U CN217019522 U CN 217019522U CN 202220276722 U CN202220276722 U CN 202220276722U CN 217019522 U CN217019522 U CN 217019522U
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Abstract
The utility model discloses a CNC workpiece automatic clamping tool which comprises a fixed seat and a rotary clamping mechanism, wherein a positioning plate for placing a CNC workpiece is arranged on the upper side of the fixed seat, the rotary clamping mechanism comprises a lifting component, a rotating component and a plurality of pressing blocks, the lifting component is arranged on the fixed seat, the rotating component is respectively connected to an execution tail end of the lifting component and the fixed seat, and the execution tail end of the rotating component can lift along with the lifting motion of the lifting component and can also rotate relative to the fixed seat; the plurality of pressing blocks are symmetrically distributed around the positioning plate, and are also respectively connected with the execution tail end of the rotating assembly in a positioning manner. The utility model reduces the operation cost; when different products need to be clamped, only the positioning plate and the pressing block need to be replaced, the mechanism is simple in structure, and the operation space is saved; the tool has universality and can be used as a standardized module at the later stage.
Description
Technical Field
The utility model relates to a CNC workpiece automatic clamping tool.
Background
Because the current CNC work piece self-holding frock is generally overweight, and clamping mechanism is complicated. This not only increases the cost, but also makes the design complicated and space-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing the CNC workpiece automatic clamping tool, the CNC workpiece can be positioned and clamped through one air cylinder, and the operation cost is greatly reduced; when different products need to be clamped, only the positioning plate and the pressing block need to be replaced, and the mechanism is simple in structure, so that the operation space of the whole equipment is saved; the tool has universality and can be used as a standardized module at the later stage.
In order to solve the technical problems, the utility model adopts a technical scheme that: the tool comprises a fixed seat and a rotary clamping mechanism, wherein a positioning plate for placing a CNC workpiece is arranged on the upper side of the fixed seat, the rotary clamping mechanism comprises a lifting component, a rotating component and a plurality of pressing blocks, the lifting component is arranged on the fixed seat, the rotating component is respectively connected to an execution tail end of the lifting component and the fixed seat, and the execution tail end of the rotating component can lift along with the lifting motion of the lifting component and can also rotate relative to the fixed seat; the plurality of pressing blocks are symmetrically distributed around the positioning plate and are respectively connected with the execution tail end of the rotating assembly in a positioning mode, so that the pressing blocks can press or separate from the CNC workpiece on the positioning plate.
In a preferred embodiment of the present invention, the fixing base includes a connecting plate, an equal-height column and a fixing plate.
In a preferred embodiment of the present invention, the periphery of the bottom of the fixing plate is fixed on the upper surface of the connecting plate through four equal-height columns, the positioning plate is fixed on the upper surface of the fixing plate, four mounting holes penetrating up and down are symmetrically arranged on the periphery of the positioning plate on the fixing plate, and one side of any one of the mounting holes is further provided with a guide hole correspondingly.
In a preferred embodiment of the present invention, the lifting assembly includes a lifting cylinder, a connecting rod assembly and a bearing seat.
In a preferred embodiment of the present invention, the lifting cylinder is longitudinally fixed in the middle of the lower surface of the fixing plate, and the driving end of the lifting cylinder is disposed downward, and two upward bearing seats are disposed at two opposite sides of the driving end of the lifting cylinder through the connecting rod assembly, and the bearing seats are the executing ends of the lifting assembly.
In a preferred embodiment of the utility model, the rotating assembly comprises a lifting screw column and a guide flange.
In a preferred embodiment of the utility model, two sides of the top of any one of the bearing seats are respectively vertically and rotatably provided with a lifting spiral column, the lifting spiral column also movably penetrates through the mounting hole, a pressing block is positioned at the top of any one of the lifting spiral columns, a section of spiral groove is arranged on the lifting spiral column, the guide flange is sleeved outside the lifting spiral column and is fixedly arranged on the fixing plate, and a pin column is also arranged on the guide flange and is arranged in the spiral groove in a sliding manner; when the lifting spiral column is driven by the lifting assembly to lift, the lifting spiral column can be driven to deflect relative to the fixed seat by means of the matching of the pin column and the spiral groove, and a guide pin corresponding to the guide hole is correspondingly arranged on any one of the guide flanges.
The utility model has the beneficial effects that: according to the CNC workpiece automatic clamping tool, the CNC workpiece can be positioned and clamped through the air cylinder, so that the operation cost is greatly reduced; when different products need to be clamped, only the positioning plate and the pressing block need to be replaced, and the mechanism is simple in structure, so that the operation space of the whole equipment is saved; the tool has universality and can be used as a standardized module in the later period.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a perspective view of a preferred embodiment of a CNC workpiece auto-clamping tool of the present invention;
FIG. 2 is a perspective view of the mounting base of the preferred embodiment of the CNC workpiece auto-clamping tool of the present invention;
FIG. 3 is a perspective view of the rotary clamping mechanism of a preferred embodiment of the CNC workpiece auto-clamping tool of this invention;
fig. 4 is a cross-sectional view of the rotating assembly in the rotary clamping mechanism of a preferred embodiment of the CNC workpiece automatic clamping tool of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
Referring to fig. 1 in conjunction with fig. 2-4, an embodiment of the present invention includes:
a CNC workpiece automatic clamping tool comprises a fixing seat A and a rotary clamping mechanism B.
The fixing base upside is provided with the locating plate 1 that supplies the CNC work piece to place, the fixing base includes connecting plate 2, contour columns 3 and fixed plate 4.
The periphery of the bottom of the fixing plate 4 is fixed on the upper surface of the connecting plate 2 through four equal-height columns 3, the level of the fixing plate 4 on the connecting plate 2 is guaranteed, and the connecting plate 2 is fixed on a CNC milling machine through screws so as to facilitate operation.
The positioning plate 1 is fixed on the upper surface of the fixing plate 4 and is used for conveniently operating the CNC workpiece on the fixing plate 4.
Four mounting holes 5 which penetrate through up and down are symmetrically formed in the fixing plate 4 and around the positioning plate 1, and a guide hole 6 is correspondingly formed in one side of each mounting hole 5 and used for facilitating mounting and positioning and guiding.
The rotary clamping mechanism comprises a lifting assembly, a rotating assembly and a plurality of pressing blocks 7, wherein the lifting assembly is arranged on the fixing seat A and used for performing lifting action. The rotating assembly is respectively connected with the execution tail end of the lifting assembly and the fixed seat, and the execution tail end of the rotating assembly can lift along with the lifting movement of the lifting assembly and can rotate relative to the fixed seat; the pressing blocks 7 are symmetrically distributed around the positioning plate 1, and the pressing blocks 7 are further connected with the execution tail ends of the rotating assemblies in a positioning mode respectively, so that the pressing blocks 7 can press or separate from the CNC workpiece on the positioning plate 1.
Specifically, the lifting assembly comprises a lifting cylinder 8, a connecting rod assembly 9 and a bearing seat 10.
And the lifting cylinder 8 is longitudinally fixed in the middle of the lower surface of the fixing plate 4, and the driving end of the lifting cylinder is arranged downwards for downwards telescopic driving.
The drive end of the lifting cylinder 8 is provided with two bearing seats 10 which are arranged upwards at two opposite sides of the drive end through a connecting rod assembly 9, the bearing seats 10 are the execution tail ends of the lifting assembly, and the bearing seats 10 at two sides are used for realizing synchronous lifting and descending along with the extension and contraction of the lifting cylinder 8.
The rotating assembly comprises a lifting screw column 11 and a guide flange 12.
Two sides of the top of any bearing seat 10 are respectively vertically and rotatably provided with a lifting spiral column 11, so that the lifting spiral column 11 can rotate on the bearing seat 10, and the execution tail end of the rotating assembly is the top end of the lifting rotary column 11.
Meanwhile, the lifting spiral column 11 is movably arranged through the mounting hole 5, so that the lifting spiral column 11 can move stably in the longitudinal direction.
A pressing block 7 is arranged at the top of any lifting spiral column 11 in a positioning mode, and the pressing block 7 rotates synchronously with the lifting spiral column 11.
A section of spiral groove 14 is formed in the lifting spiral column 11, the guide flange 12 is sleeved outside the lifting spiral column 11 and is fixedly mounted on the fixing plate 4, a pin 15 is further arranged on the guide flange 12, and the pin 15 is arranged in the spiral groove 14 in a sliding mode; when the lifting screw column 11 is driven by the lifting component to lift, the pin 15 is matched with the spiral groove 14, so that the lifting screw column 11 can be driven to deflect relative to the fixing seat a, and the pressing block 7 is driven to press or separate the CNC workpiece.
Any one of the guide flanges 12 is also correspondingly provided with a guide pin 13 corresponding to the guide hole 6, so that the guide flanges can be conveniently and accurately installed in place.
In conclusion, the CNC workpiece automatic clamping tool disclosed by the utility model can realize positioning and clamping of the CNC workpiece through one air cylinder, so that the operation cost is greatly reduced; when different products need to be clamped, only the positioning plate and the pressing block need to be replaced, and the mechanism is simple in structure, so that the operation space of the whole equipment is saved; the tool has universality and can be used as a standardized module at the later stage.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The automatic CNC workpiece clamping tool is characterized by comprising a fixed seat and a rotary clamping mechanism, wherein a positioning plate for placing a CNC workpiece is arranged on the upper side of the fixed seat, the rotary clamping mechanism comprises a lifting component, a rotating component and a plurality of pressing blocks, the lifting component is arranged on the fixed seat, the rotating component is respectively connected to an execution tail end of the lifting component and the fixed seat, and the execution tail end of the rotating component can lift along with the lifting motion of the lifting component and can also rotate relative to the fixed seat; the plurality of pressing blocks are symmetrically distributed around the positioning plate and are respectively connected with the execution tail end of the rotating assembly in a positioning mode, so that the pressing blocks can press or separate from the CNC workpiece on the positioning plate.
2. The CNC workpiece automatic clamping tool according to the claim 1, wherein the fixing seat comprises a connecting plate, an equal-height column and a fixing plate.
3. The CNC workpiece automatic clamping tool of claim 2, wherein the periphery of the bottom of the fixing plate is fixed on the upper surface of the connecting plate through four equal-height columns, the positioning plate is fixed on the upper surface of the fixing plate, four mounting holes penetrating up and down are symmetrically arranged on the periphery of the fixing plate, and one side of each mounting hole is correspondingly provided with a guide hole.
4. The CNC workpiece automatic clamping tool according to the claim 3, wherein the lifting assembly comprises a lifting cylinder, a connecting rod assembly and a bearing seat.
5. The CNC workpiece automatic clamping tool of claim 4, wherein the lifting cylinder is longitudinally fixed in the middle of the lower surface of the fixing plate, the driving end of the lifting cylinder is arranged downwards, the driving end of the lifting cylinder is provided with two bearing seats which are arranged upwards at two opposite sides of the driving end of the lifting cylinder through the connecting rod assembly, and the bearing seats are the executing ends of the lifting assembly.
6. The CNC workpiece automatic clamping tool according to claim 5, wherein the rotating assembly comprises a lifting screw column and a guide flange.
7. The CNC workpiece automatic clamping tool according to claim 6, characterized in that two sides of the top of any bearing seat are respectively vertically and rotatably provided with a lifting spiral column, the lifting spiral columns are movably arranged to penetrate through the mounting holes, a pressing block is arranged at the top of any lifting spiral column in a positioning mode, a section of spiral groove is formed in each lifting spiral column, the guide flange is sleeved outside the lifting spiral column and is fixedly arranged on the fixing plate, and a pin column is arranged on the guide flange and slides in the spiral groove; when the lifting spiral column is driven by the lifting assembly to lift, the lifting spiral column can be driven to deflect relative to the fixed seat by means of the matching of the pin column and the spiral groove, and a guide pin corresponding to the guide hole is correspondingly arranged on any one of the guide flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220276722.XU CN217019522U (en) | 2022-02-11 | 2022-02-11 | CNC work piece self-holding frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220276722.XU CN217019522U (en) | 2022-02-11 | 2022-02-11 | CNC work piece self-holding frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217019522U true CN217019522U (en) | 2022-07-22 |
Family
ID=82450462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220276722.XU Active CN217019522U (en) | 2022-02-11 | 2022-02-11 | CNC work piece self-holding frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217019522U (en) |
-
2022
- 2022-02-11 CN CN202220276722.XU patent/CN217019522U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 198, Ruike Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province, 215000 Patentee after: Jiangsu Kerian Technology Co.,Ltd. Address before: 215300 Room No. 1299 Hengsheng Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: JIANGSU COWAIN AUTOMATION TECH. Co.,Ltd. |
|
| CP03 | Change of name, title or address |