CN216097597U - Machining tool adopting negative pressure fixation - Google Patents
Machining tool adopting negative pressure fixation Download PDFInfo
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- CN216097597U CN216097597U CN202121827068.9U CN202121827068U CN216097597U CN 216097597 U CN216097597 U CN 216097597U CN 202121827068 U CN202121827068 U CN 202121827068U CN 216097597 U CN216097597 U CN 216097597U
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- positioning tool
- negative pressure
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- cavity
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Abstract
The utility model discloses a processing tool adopting negative pressure fixation, which comprises a sucker base and a positioning tool, wherein the positioning tool is arranged at the upper end of the base through a screw; a sucker cavity is formed at the upper end of the positioning tool and is provided with a plurality of air passing holes penetrating through the positioning tool; and a closed cavity is formed between the lower end face of the positioning tool and the sucker base, an air suction hole communicated with the closed cavity is formed in the outer wall of the base, and the air passing hole is communicated with the closed cavity. The utility model has reasonable design, simple structure and convenient use, adopts negative pressure to fix the processed workpiece, and compared with the traditional contact type clamping fixed phase, the fixing mode of the utility model can not influence other parameters of the processed workpiece (such as the planeness and the roughness of the lower end surface, the roughness of the outer wall and the like), so that the processing quality is better.
Description
Technical Field
The utility model relates to the field of machining, in particular to a machining tool adopting negative pressure fixing.
Background
The machining is a process of changing the overall dimension or performance of a workpiece by mechanical equipment, and can be divided into cutting machining and pressure machining according to the difference of machining modes, and in the machining process, a machining tool is a common tool and can position and fix the machined workpiece so as to facilitate better machining; the traditional tool basically adopts contact clamping, and when the contact clamping is carried out, the stress surface of a machined workpiece is the surface to be machined, otherwise the machining parameters of the surface to be machined, such as surface roughness, and the like, can be influenced; in the precise fine machining, contact clamping cannot be directly adopted, and the contact clamping can cause the process parameters of the workpiece to change and even cause the workpiece to be scrapped.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above defects, the utility model provides a tool which is reasonable in design, simple in structure and convenient to use, and adopts negative pressure to fix the machined workpiece, and compared with the traditional contact type clamping fixed phase, the fixing mode of the tool provided by the utility model cannot influence other parameters of the machined workpiece (such as the planeness and the roughness of the lower end surface, the roughness of the outer wall and the like), so that the machining quality is better.
The utility model is realized in such a way that a processing tool adopting negative pressure fixation is constructed, and the processing tool comprises a sucker base and a positioning tool, wherein the positioning tool is arranged at the upper end of the base through a screw;
a sucker cavity is formed at the upper end of the positioning tool and is provided with a plurality of air passing holes penetrating through the positioning tool;
and a closed cavity is formed between the lower end face of the positioning tool and the sucker base, an air suction hole communicated with the closed cavity is formed in the outer wall of the base, and the air passing hole is communicated with the closed cavity.
Preferably, a sealing ring is arranged between the sucker base and the positioning tool.
Preferably, the suction cup cavity is provided with two concentric sealing rings, and the air passing hole is positioned between the two sealing rings; a small adsorption cavity is formed between the two sealing rings.
Preferably, the bottom of the sucking disc cavity of the positioning tool is provided with two concentric ring grooves for mounting the sealing ring, and the air passing hole is located between the two ring grooves.
The utility model has the following advantages:
the utility model has reasonable design, simple structure and convenient use, adopts negative pressure to realize the fixation of the processed workpiece, is convenient for processing the upper surface of the workpiece, simultaneously has no influence on other parameters of the processed workpiece (such as the planeness and the roughness of the lower end surface, the roughness of the outer wall and the like) compared with the traditional contact type clamping fixation mode, is very convenient for installing and disassembling the processed workpiece, and only needs to suck or intake air.
The reasonable design processing work piece is provided with the sucking disc chamber in the upper end of processing work piece, and this sucking disc is used for the installation location processing work piece by force to set up two concentric annulars in the bottom in sucking disc chamber, and cross the gas pocket and be located between two annulars, install the sealing washer in two annulars simultaneously, realized the lower surface that the negative pressure direct action processed the work piece, reduce the phenomenon of gas leakage, and can form a little absorption chamber again between two sealing washers, let the processing work piece absorptive more firm.
The sucker base is reasonably designed, can be used as a carrier and can be arranged on a workbench, and is connected with the positioning tool through a screw, so that the positioning tool is more convenient to mount and dismount, and workers can conveniently replace positioning tools of different models; and reasonable form airtight chamber between location frock and sucking disc base, this airtight chamber can play the effect of transition, makes the negative pressure of every air pocket more even to it is more firm to let the processing work piece fix.
Drawings
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
in the figure: 1. a base; 11. a suction hole; 2. positioning a tool; 21. air passing holes; 3. processing a workpiece; 4. and (5) sealing rings.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.
The utility model provides a processing tool adopting negative pressure fixation through improvement, which comprises a sucker base 1 and a positioning tool 2, wherein the positioning tool 2 is arranged at the upper end of the base 1 through a screw 5;
a sucker cavity is formed at the upper end of the positioning tool 2, and is provided with a plurality of air passing holes 21 penetrating through the positioning tool;
an airtight cavity is formed between the lower end face of the positioning tool 2 and the sucker base 1, the outer wall of the base 1 is provided with a suction hole 11 communicated with the airtight cavity, and the air passing hole 21 is communicated with the airtight cavity.
In this embodiment, a sealing ring 4 is arranged between the suction cup base 1 and the positioning tool 2.
In this embodiment, the suction cup cavity is provided with two concentric sealing rings 4, and the air passing hole 21 is located between the two sealing rings; a small adsorption cavity is formed between the two sealing rings.
In this embodiment, two concentric ring grooves for installing the sealing ring are formed in the bottom of the suction cup cavity of the positioning tool 2, and the air passing hole 21 is located between the two ring grooves.
The utility model relates to a tool for machining, which is characterized in that a sucker base is fixedly arranged on a machining platform when in use, a positioning tool is arranged at the upper end of the sucker base through a screw, a machining workpiece is arranged in a sucker cavity of the positioning tool, air is sucked through a suction hole through an external suction device, air in the sealed cavity is sucked out to form negative pressure, and the machining workpiece is tightly adsorbed in the sucker cavity of the positioning tool through the negative pressure due to the fact that an air hole of the sucker cavity is communicated with the sealed cavity;
when the positioning tool and the sucker base are installed, a sealing ring is installed between the positioning tool and the sucker base, and the air tightness of the sealed cavity is ensured through the sealing ring; when a machined workpiece is installed, the sealing rings are installed in the two buffers of the positioning tool, the air holes are guaranteed to directly act on the machined workpiece, air leakage does not occur on the two sides, and the machined workpiece is more stable and reliable to install.
The utility model has reasonable design, simple structure and convenient use, adopts negative pressure to realize the fixation of the processed workpiece, is convenient for processing the upper surface of the workpiece, and simultaneously, compared with the traditional contact type clamping fixation phase, the fixation mode can not influence other parameters of the processed workpiece such as the planeness and the roughness of the lower end surface, the roughness of the outer wall and the like.
The reasonable design processing work piece is provided with the sucking disc chamber in the upper end of processing work piece, and this sucking disc is used for the installation location processing work piece by force to set up two concentric annulars in the bottom in sucking disc chamber, and cross the gas pocket and be located between two annulars, install the sealing washer in two annulars simultaneously, realized the lower surface that the negative pressure direct action processed the work piece, reduce the phenomenon of gas leakage, and can form a little absorption chamber again between two sealing washers, let the processing work piece absorptive more firm.
The sucker base is reasonably designed, can be used as a carrier and can be arranged on a workbench, and is connected with the positioning tool through a screw, so that the positioning tool is more convenient to mount and dismount, and workers can conveniently replace positioning tools of different models; and reasonable form airtight chamber between location frock and sucking disc base, this airtight chamber can play the effect of transition, makes the negative pressure of every air pocket more even to it is more firm to let the processing work piece fix.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The utility model provides an adopt fixed processing frock of negative pressure which characterized in that: the device comprises a sucker base (1) and a positioning tool (2), wherein the positioning tool (2) is arranged at the upper end of the base (1) through a screw (5);
a sucker cavity is formed at the upper end of the positioning tool (2), and is provided with a plurality of air passing holes (21) penetrating through the positioning tool;
form airtight chamber between the lower terminal surface of location frock (2) and sucking disc base (1) suction hole (11) with airtight chamber intercommunication are seted up to the outer wall of base (1), it communicates in airtight chamber to cross gas pocket (21).
2. The processing tool adopting negative pressure fixation according to claim 1, characterized in that: and a sealing ring (4) is arranged between the sucker base (1) and the positioning tool (2).
3. The processing tool adopting negative pressure fixation according to claim 1, characterized in that: two concentric sealing rings (4) are installed in the sucking disc cavity, the air passing hole (21) is located between the two sealing rings, and a small adsorption cavity is formed between the two sealing rings.
4. The processing tool adopting negative pressure fixation according to claim 3, characterized in that: two concentric annular grooves for installing sealing rings are formed in the bottom of the sucking disc cavity of the positioning tool (2), and the air passing hole (21) is located between the two annular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827068.9U CN216097597U (en) | 2021-08-06 | 2021-08-06 | Machining tool adopting negative pressure fixation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827068.9U CN216097597U (en) | 2021-08-06 | 2021-08-06 | Machining tool adopting negative pressure fixation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216097597U true CN216097597U (en) | 2022-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121827068.9U Active CN216097597U (en) | 2021-08-06 | 2021-08-06 | Machining tool adopting negative pressure fixation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216097597U (en) |
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2021
- 2021-08-06 CN CN202121827068.9U patent/CN216097597U/en active Active
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