CN214641999U - Positioning support tool for thin-wall parts - Google Patents
Positioning support tool for thin-wall parts Download PDFInfo
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- CN214641999U CN214641999U CN202022465548.7U CN202022465548U CN214641999U CN 214641999 U CN214641999 U CN 214641999U CN 202022465548 U CN202022465548 U CN 202022465548U CN 214641999 U CN214641999 U CN 214641999U
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Abstract
The utility model relates to a positioning and supporting tool for thin-wall parts, which comprises a tool main body, a vacuum adsorption module and a positioning module; the positioning module is connected with the tool main body in an interference insertion fit mode, and the vacuum adsorption module is connected with the tool main body in a bolt fastening mode; the tool main body consists of a positioning disc and a clamping handle which are concentrically arranged, and a T-shaped groove, a positioning pin hole and a circle scale mark are formed in the front of the positioning disc; the vacuum adsorption module consists of a gas circuit cavity block, a compression bolt, a compression nut, a vacuum sucker and a plug; the positioning module adopts a positioning pin. The tool positions the workpiece through the groups of positioning pins, and the vacuum suckers of the groups of vacuum adsorption modules are in adsorption contact with the surface of the workpiece, so that the workpiece is fixed, positioning support on the workpiece is realized, and the problems that the thin-wall parts are extremely easy to stress and deform due to thermal influence in the machining process and the special tool cannot meet the requirement of quick and flexible manufacturing of the thin-wall parts are solved.
Description
Technical Field
The utility model belongs to the technical field of the part frock, concretely relates to location support frock towards thin wall class part.
Background
Thin-wall parts have excellent dynamic properties such as light weight and the like, and are widely applied to the field of high-tech and high-technology equipment manufacturing industry, but due to poor structural rigidity and poor machinability, the thin-wall parts are easy to stress and deform under the influence of heat in the machining process, so that the precision requirement of the parts is difficult to guarantee.
The clamping mode is one of important influence factors of the machining precision of the thin-wall parts, the reasonable clamping mode can effectively reduce the deformation in the machining process of the parts, at present, corresponding special tools are designed for different thin-wall parts and different machining procedures for clamping, and although the special tools can meet the clamping requirements, the universality and the applicability are poor, and the requirements of quick and flexible manufacturing of the thin-wall parts are difficult to achieve.
Aiming at the situation, the invention provides the universal positioning and supporting tool which can be suitable for thin-wall parts with different sizes and structures.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a location support frock towards thin wall class part to thin wall class part extremely its easy atress in the course of working among the solution prior art, the influence of being heated takes place to warp and special frock can't satisfy the problem of the quick flexible manufacturing demand of thin wall class part.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a support frock towards location of thin wall class part which characterized in that: the vacuum adsorption device comprises a tool main body, a vacuum adsorption module and a positioning module;
the tool main body consists of a positioning disc and a clamping handle which are concentrically arranged, and the clamping handle is arranged on the back surface of the positioning disc; the front surface of the positioning disc is a workpiece mounting surface, four T-shaped grooves extending along the radial direction are uniformly distributed on the front surface of the positioning disc, the four T-shaped grooves are communicated at the center of the positioning disc, the front surface of the positioning disc is divided into four areas, a plurality of positioning pin holes distributed along the radial direction are arranged at positions forming 45-degree included angles with the T-shaped grooves in each area, and the positioning pin holes of the four areas are distributed on a plurality of circles of circumferences taking the center of the positioning disc as the center of a circle; a through hole for a gas pipe to penetrate through is arranged at each of two ends in each positioning groove;
the vacuum adsorption module comprises a gas path cavity block, a compression bolt, a compression nut, a plug and a vacuum chuck; the center of the gas circuit cavity block is provided with a bolt hole, the compression nut is embedded in a T-shaped groove on the tool main body, and the compression bolt penetrates through the bolt hole in the center of the gas circuit cavity block to be connected with the compression nut, so that the gas circuit cavity block is compressed and fixed above the front surface of the tool main body; the lower end of the gas circuit cavity block is provided with a gas pipe interface, the gas pipe is connected with an external vacuum pump, the peripheral side surface of the gas circuit cavity block is provided with a plurality of sucker mounting ports, and the sucker mounting ports are communicated with the gas pipe interface through a built-in gas circuit channel; the vacuum sucker is fixedly arranged at one sucker mounting opening and is in adsorption contact with the surface of a workpiece arranged on the front surface of the tool main body; plugs are arranged at the mounting holes of other suckers;
the positioning module adopts a positioning pin, and the lower half part of the positioning pin is in interference fit with the positioning pin hole on the tool main body; the upper half part of the positioning pin is exposed above the front face of the tool main body and is in contact fit with the surface of a workpiece placed on the front face of the tool main body.
Further: circle scale marks are arranged on the front face of the tool main body corresponding to the positions of the positioning pin holes of each circle.
Further: the tool main body is made of high-strength cast iron HT 20.
Further, the method comprises the following steps of; the vacuum sucker is an organ-shaped sucker.
The utility model has the advantages and positive effect:
1. the positioning and supporting tool is characterized in that a workpiece is installed on the front face of a positioning disc of the tool main body, the workpiece is positioned through a plurality of groups of positioning pins inserted in the tool main body according to the shape and the processing face of the workpiece, and the workpiece is fixed through the adsorption contact of a plurality of groups of vacuum suction discs of vacuum adsorption modules installed on the tool main body and the surface of the workpiece, so that the positioning and supporting of the workpiece are realized.
2. The positioning support tool positions the workpiece through the multiple groups of positioning pins and fixes the workpiece in an adsorption mode, so that the thin-wall parts are prevented from being deformed due to the fact that the thin-wall parts are easily stressed and heated in the machining process, and the machining precision of the parts is guaranteed.
3. The positioning support tool can flexibly adjust the mounting position of the positioning pin and the mounting position of the vacuum adsorption module, is suitable for positioning and supporting thin-wall parts with different sizes and structures, and meets the requirement of quick and flexible manufacturing of the thin-wall parts.
Drawings
FIG. 1a is a front view of the positioning and supporting tool structure of the present invention;
FIG. 1b is a back view of the positioning and supporting tool structure of the present invention;
FIG. 2a is a front view of the main structure of the tool of the present invention;
FIG. 2b is a back view of the main structure of the tool of the present invention;
fig. 3a is a schematic view of a first angle of the vacuum adsorption module of the present invention;
fig. 3b is a schematic view of a second angle of the vacuum adsorption module of the present invention;
fig. 4 is a schematic structural diagram of the positioning module of the present invention;
FIG. 5 is a schematic diagram of the positioning support tool for processing the excircle of a part;
FIG. 6 is a schematic diagram of the positioning and supporting tool for machining inner holes of parts.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
A positioning and supporting tool for thin-wall parts is mainly composed of a tool main body 1, a vacuum adsorption module 2 and a positioning module 3, wherein the positioning module and the tool main body are connected in an interference insertion fit mode, and the vacuum adsorption module and the tool main body are connected in a bolt fastening mode. The concrete structure is as follows:
1. tool main body
The main functions of the tool main body are to realize flexible accurate installation of the vacuum adsorption module and the positioning module and firm connection of the positioning support tool and the numerical control lathe.
As shown in fig. 2a and 2b, the main body material is preferably high-strength cast iron HT20, the whole structure is composed of two cylinders, the back small cylinder is a clamping handle 1.2, and is mounted on the numerical control lathe spindle through a fitting three-jaw chuck; the big cylinder in front is positioning disc 1.1, and positioning disc openly is the dress card plane, and dress card plane has locating pin hole 1.4, scale mark 1.5, T-slot 1.6 isotructure. Specifically, the method comprises the following steps: the four T-shaped grooves are uniformly distributed on the clamping plane along the circumferential direction, the four T-shaped grooves are communicated at the center of the positioning disc and divide the front surface of the positioning disc into four areas, and a plurality of positioning pin holes distributed along the radial direction are arranged at positions forming 45-degree included angles with the T-shaped grooves in each area and have the function of installing a positioning module. The locating pin holes in the four regions are distributed on a plurality of circles of circumferences which use the center of the locating disc as the circle center, circle scale marks are arranged corresponding to the positions of each circle of locating pin holes, the attached figure is 7 circles of concentric circle scale marks, and the corresponding diameters are respectively as follows: 60mm, 80mm, 100mm, 120mm, 140mm, 160mm, 180mm, which functions to quickly indicate the dowel hole location. And both ends of each positioning groove are respectively provided with a through hole 1.3 for penetrating an air pipe, and the through holes are 8 in total, and the function of the through holes is to guide the air pipe of the vacuum adsorption module into a main shaft of the numerical control lathe through the tool main body.
2. Vacuum adsorption module
The vacuum adsorption module has the main functions of adjusting the radial position according to the overall dimension of the part, fixing the part in a vacuum adsorption mode and preventing the part from rotating in the machining process.
As shown in fig. 3a and 3b, the vacuum adsorption module is composed of a gas path cavity block 2.3, a compression bolt 2.1, a compression nut 2.2, a vacuum chuck 2.4, a plug 2.5 and other parts. The air passage cavity block is a key component of the vacuum adsorption module and has the function of realizing communication of a vacuum air passage, the plug has the function of forming a closed air passage by plugging holes on the air passage cavity except for a port for mounting a vacuum sucker and an air pipe port, the compression nut is placed in the T-shaped groove of the main body, the compression bolt is connected with the compression nut through a bolt hole in the middle of the air passage cavity block, the radial position of the vacuum adsorption module is adjusted according to the overall dimension of a part, and the compression bolt and the compression nut are used for realizing fixation. The vacuum chuck preferably adopts an organ-shaped chuck, and can realize high-sealing-degree adsorption with curved-surface parts.
1.3 positioning Module
The main function of the positioning module is to determine the position of a part on the tool.
As shown in fig. 4, the positioning module adopts a positioning pin structure, the lower half portion 3.2 of the positioning pin is a matching portion, the upper half portion 3.1 of the positioning pin is an adjusting portion, the matching portion is in interference fit connection with a positioning pin hole in the tool main body, and the adjusting portion is in turning adjustment according to the external dimension of a part.
This location supports instructions of frock:
example 1: processing of 100 outer circles of parts
The excircle processing and clamping schematic diagram of the part is shown in FIG. 5, and the application process is as follows:
step 1: measuring and determining the radial size of the clamping inner hole of the thin-wall part to be processed, and selecting a positioning pin hole at a corresponding position;
step 2: calculating the diameter of the positioning pin based on the radial dimension of the clamping inner hole and the radial position dimension of the positioning pin hole, and matching and processing according to the calculation result;
and step 3: the positioning pin after being matched and processed is arranged in the selected positioning pin hole in an interference fit mode;
and 4, step 4: rotating the gas circuit cavity block of the vacuum adsorption module, adjusting the vacuum chuck to the direction deviating from the circle center of the main body, simultaneously moving the whole module to the position where the vacuum chuck is contacted with the inner hole surface of the thin-wall part to be processed along the T-shaped groove, and screwing the compression bolt to realize fixation;
and 5: one end of an air pipe is inserted into an air pipe interface on an air passage cavity block in the vacuum adsorption module, and the other end of the air pipe penetrates through an air pipe hole in the middle of the tool main body and is led into a main shaft of the numerical control lathe and is communicated with a vacuum pump through a universal interface;
step 6: the connecting of the tool and a numerical control lathe spindle is realized by utilizing the clamping handle of the three-jaw chuck clamping tool main body;
and 7: and (5) clamping the thin-wall part to be processed, starting a vacuum pump, and processing the part.
Example 2: processing of 100 inner holes of part
The schematic drawing of machining and clamping the inner hole of the part is shown in fig. 6, and the application process is as follows:
step 1: measuring and determining the radial size of the clamping excircle of the thin-wall part to be machined, and selecting a positioning pin hole at a corresponding position;
step 2: calculating the diameter of the positioning pin based on the radial dimension of the clamping excircle and the radial position dimension of the positioning pin hole, and matching and processing according to the calculation result;
and step 3: the positioning pin after being matched and processed is arranged in the selected positioning pin hole in an interference fit mode;
and 4, step 4: rotating the gas circuit cavity block of the vacuum adsorption module, adjusting the vacuum chuck to the direction facing the center of the main body circle, moving the whole module to the position where the vacuum chuck is contacted with the outer circular surface of the thin-wall part to be processed along the T-shaped groove, and screwing the compression bolt to realize fixation;
and 5: one end of an air pipe is inserted into an air pipe interface on an air passage cavity block in the vacuum adsorption module, and the other end of the air pipe penetrates through an air pipe hole at the edge part of the tool main body and is led into a main shaft of the numerical control lathe and is communicated with a vacuum pump through a universal interface;
step 6: the connection between the tool and the numerical control lathe spindle is realized by utilizing the clamping handle of the three-jaw chuck clamping main body;
and 7: and (5) clamping the thin-wall part to be processed, starting a vacuum pump, and processing the part.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (4)
1. The utility model provides a support frock towards location of thin wall class part which characterized in that: the vacuum adsorption device comprises a tool main body, a vacuum adsorption module and a positioning module;
the tool main body consists of a positioning disc and a clamping handle which are concentrically arranged, and the clamping handle is arranged on the back surface of the positioning disc; the front surface of the positioning disc is a workpiece mounting surface, four T-shaped grooves extending along the radial direction are uniformly distributed on the front surface of the positioning disc, the four T-shaped grooves are communicated at the center of the positioning disc, the front surface of the positioning disc is divided into four areas, a plurality of positioning pin holes distributed along the radial direction are arranged at positions forming 45-degree included angles with the T-shaped grooves in each area, and the positioning pin holes of the four areas are distributed on a plurality of circles of circumferences taking the center of the positioning disc as the center of a circle; a through hole for a gas pipe to penetrate through is arranged at each of two ends in each positioning groove;
the vacuum adsorption module comprises a gas path cavity block, a compression bolt, a compression nut, a plug and a vacuum chuck; the center of the gas circuit cavity block is provided with a bolt hole, the compression nut is embedded in a T-shaped groove on the tool main body, and the compression bolt penetrates through the bolt hole in the center of the gas circuit cavity block to be connected with the compression nut, so that the gas circuit cavity block is compressed and fixed above the front surface of the tool main body; the lower end of the gas circuit cavity block is provided with a gas pipe interface, the gas pipe is connected with an external vacuum pump, the peripheral side surface of the gas circuit cavity block is provided with a plurality of sucker mounting ports, and the sucker mounting ports are communicated with the gas pipe interface through a built-in gas circuit channel; the vacuum sucker is fixedly arranged at one sucker mounting opening and is in adsorption contact with the surface of a workpiece arranged on the front surface of the tool main body; plugs are arranged at the mounting holes of other suckers;
the positioning module adopts a positioning pin, and the lower half part of the positioning pin is in interference fit with the positioning pin hole on the tool main body; the upper half part of the positioning pin is exposed above the front face of the tool main body and is in contact fit with the surface of a workpiece placed on the front face of the tool main body.
2. The positioning and supporting tool facing the thin-wall parts as claimed in claim 1, wherein: circle scale marks are arranged on the front face of the tool main body corresponding to the positions of the positioning pin holes of each circle.
3. The positioning and supporting tool facing the thin-wall parts as claimed in claim 1, wherein: the tool main body is made of high-strength cast iron HT 20.
4. The positioning and supporting tool facing the thin-wall part according to claim 1, wherein the positioning and supporting tool is a tool body; the vacuum sucker is an organ-shaped sucker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022465548.7U CN214641999U (en) | 2020-10-30 | 2020-10-30 | Positioning support tool for thin-wall parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022465548.7U CN214641999U (en) | 2020-10-30 | 2020-10-30 | Positioning support tool for thin-wall parts |
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| CN214641999U true CN214641999U (en) | 2021-11-09 |
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| CN202022465548.7U Active CN214641999U (en) | 2020-10-30 | 2020-10-30 | Positioning support tool for thin-wall parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122254A (en) * | 2022-06-28 | 2022-09-30 | 苏州维嘉科技股份有限公司 | Vacuum adsorption table, PCB product fixing method and PCB product processing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115122254A (en) * | 2022-06-28 | 2022-09-30 | 苏州维嘉科技股份有限公司 | Vacuum adsorption table, PCB product fixing method and PCB product processing equipment |
| CN115122254B (en) * | 2022-06-28 | 2024-01-09 | 苏州维嘉科技股份有限公司 | Vacuum adsorption table, PCB product fixing method and PCB product processing equipment |
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