CN218015827U - Quick roof-measuring correction jig - Google Patents
Quick roof-measuring correction jig Download PDFInfo
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- CN218015827U CN218015827U CN202221867911.0U CN202221867911U CN218015827U CN 218015827 U CN218015827 U CN 218015827U CN 202221867911 U CN202221867911 U CN 202221867911U CN 218015827 U CN218015827 U CN 218015827U
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Abstract
A quick top measuring and correcting jig comprises a bottom plate, a workpiece positioning mechanism and a bottom plate/workbench calibrating device; the projection of the bottom plate is circular, and a plurality of stop blocks are detachably connected to the surface of the bottom plate; the stop blocks are divided into a plurality of groups according to different specifications; the group of the stop blocks are connected to the bottom plate, the stop blocks surround a cylindrical area where the workpiece is located, and the inner side wall of each stop block is arranged on the cylindrical side wall; the stop block forms a workpiece positioning mechanism; the bottom plate/workbench calibration device comprises at least three top blocks, and the top blocks are provided with mechanisms connected with the workbench; each top block uniformly surrounds the edge of the bottom plate, and the inner side of each top block inwards supports against the edge of the bottom plate. The utility model discloses help improving product quality.
Description
Technical Field
The utility model belongs to the technical field of machinery, be applicable to the correction of thin wall product, the finish machining part is rectified, is one kind survey the top fast and rectify the tool and with the coupling mechanism of lathe workstation.
Background
In the process of machining a large thin-walled workpiece, the workpiece needs to be first loaded on a table of a lathe and fixed. Position correction of the workpiece is required before fixing. The traditional correction method is to use a side top jig to contact a zero point, apply external force to force a part to move to a set target position, and even move the part to the target position through violent knocking on a workpiece/part with high rigidity and heavy weight. Due to the existence of the correction stress, the locking process of the corrected part by the pressure plate often moves, and the part has to be corrected again.
Disclosure of Invention
Therefore, the jig design is updated according to the condition, the aim of correcting the parts is fulfilled by correcting the jig bottom plate, the quality of the product is guaranteed, and the correction efficiency is improved.
The utility model discloses a quick roof measuring and correcting jig, which comprises a bottom plate, a workpiece positioning mechanism and a bottom plate/workbench calibrating device;
the projection of the bottom plate is circular, and a plurality of stop blocks are detachably connected to the surface of the bottom plate; the stop blocks are divided into a plurality of groups according to different specifications; any group of the stop blocks are connected to the bottom plate, the stop blocks surround a cylindrical area where the workpiece is located, and the inner side wall of each stop block is arranged on the cylindrical side wall; the stop block forms the workpiece positioning mechanism;
the bottom plate/workbench calibration device comprises at least three top blocks, and the top blocks are provided with mechanisms connected with the workbench; the top blocks uniformly surround the edge of the bottom plate, and the inner sides of the top blocks are inwards abutted against the edge of the bottom plate.
The workpiece is fixed by a stop block. And (4) adopting stop blocks with various specifications according to the outer diameter of the workpiece.
Further improvement: the edge of the bottom plate is provided with a plurality of tangential rectangular planes, and the rectangular planes are parallel to the axis of the bottom plate; rays led out from the axis of the bottom plate penetrate through the vertical middle line of the rectangular plane;
each rectangular plane corresponds to one top block; the inner side surface of the top block faces the rectangular plane.
The contact area between the top block and the bottom plate is increased, so that the side top effect is better.
Further improvement is that: the edge of the bottom plate is provided with a plurality of concaves, and the rectangular plane is positioned in the concaves;
the inner side surface of the top block is connected with two screws for adjustment, the two screws are symmetrical about the vertical central line of the rectangular plane, and the two screws vertically prop against the horizontal central line of the rectangular plane;
the screw is screwed in the screw hole on the top block.
The contact surface of the top block and the bottom plate is completely in the inner concave, so that the structure has better safety, and meanwhile, the rectangular plane can be enlarged as much as possible under the structure without bringing negative influence to the effective supporting area of the bottom plate.
The top surface of the bottom plate is provided with a plurality of pin holes, and each stop block is connected with a positioning pin corresponding to the pin hole.
Under this structure, the fixed work piece after can proofreaying and correct more conveniently.
A kind of (can be used for the above-mentioned fast top measurement to correct) connecting gear of the tool and lathe work level, comprising: a T-shaped groove and a T-shaped bolt on the surface of the workbench and bolt holes on the top block;
the length direction of the T-shaped groove is the same as the advancing/retreating direction of the top block; the head of the T-shaped bolt is arranged in the T-shaped groove, and a screw rod of the T-shaped bolt penetrates through the bolt hole from bottom to top and is screwed with a nut.
The number of the T-shaped grooves is two, and the number of the bolt holes in the top block is two; the two T-shaped grooves are uniformly distributed on two sides of the central line of the advancing/retreating path of the top block; two T-shaped bolts are respectively connected with a T-shaped groove and a bolt hole of the top block.
The ejector block is fixed through the T-shaped groove and the T-shaped bolt, and the correcting jig is finely adjusted through the screw on the ejector block.
Further improvement: a plurality of key grooves for positioning are connected to the surface of the workbench between the two T-shaped grooves, and the key grooves are arranged along the advancing/retreating direction of the top block; the bottom surface of the top block is provided with a key which protrudes downwards and is correspondingly connected with the key groove.
The two T-shaped grooves have better friction force and better balance pushing effect on the two screws.
The steps of using the jig comprise:
first, a workpiece is loaded on a base plate under a lathe, and is fixed with a machine such as a crane to adjust the concentricity beforehand. This saves calibration time on the lathe.
Then, the base plate is loaded on the table together with the workpiece, and corrected. Because the shape of the bottom plate is fixed, the concentricity deviation of the bottom plate and the workbench is very small or even no deviation in a preset positioning space on the lathe workbench. Because the concentricity of the workpiece and the bottom plate is pre-corrected, the deviation amount required for secondary correction is small, and the correction time on the lathe can be greatly saved.
Finally, the bottom plate is fixed in operation.
The utility model has the advantages that: the part is effectively prevented from being corrected and deformed; the positioning and clamping can be performed quickly; simple structure, convenient use, safety and reliability.
The beneficial effects of the utility model are that: the use is simple and convenient, and the product quality is improved.
Drawings
FIG. 1 is a schematic diagram of a fast vertex measuring calibration fixture according to the present embodiment;
FIG. 2 is a schematic view of a usage status of the quick vertex measuring calibration fixture (for clarity, the stop block is not indicated);
FIG. 3 is a schematic view of the connection of the T-slot, T-bolt and top block;
in the figure: the device comprises a workpiece 1, a bottom plate 2, a stop block 3, a workpiece region 4, a top block 5, a rectangular plane 6, an inner recess 7, a screw 8, a pin hole 9, a workbench 10, a T-shaped groove 11, a T-shaped bolt 12, a bolt hole 13, a key groove 14 and a key 15.
Detailed Description
The following will further explain the specific technical content of the present invention with reference to the accompanying drawings.
Referring to fig. 1, a quick roof-measuring correction fixture includes a base plate, a workpiece positioning mechanism and a base plate/worktable calibration device;
the projection of the bottom plate 2 is circular, and a plurality of stop blocks 3 are detachably connected to the surface of the bottom plate; the stop blocks are divided into a plurality of groups according to different specifications; any group of the blocks are connected to the bottom plate, the blocks surround a region 4 (the region is cylindrical) where the workpiece is located, and the inner side wall of each block is arranged on the cylindrical side wall; the stop block forms the workpiece positioning mechanism;
the base plate/table alignment means comprises at least three top blocks 5 (4 in this example) having means for connection to the table; each top block uniformly surrounds the edge of the bottom plate, and the inner side of each top block inwards supports against the edge of the bottom plate.
The edge of the bottom plate 2 is provided with a plurality of tangential rectangular planes 6, and the rectangular planes are parallel to the axis of the bottom plate; rays led out from the axis of the bottom plate penetrate through the vertical middle line of the rectangular plane; each rectangular plane 6 corresponds to one top block 5; the inner side surface of the top block faces the rectangular plane.
In this example, the edge of the bottom plate 3 has a plurality of recesses 7, and the rectangular plane 6 is in the recesses 7; the inner side surface of the top block is connected with two adjusting screws 8, the two screws are symmetrical about the vertical central line of the rectangular plane, and the two screws vertically prop against the horizontal central line of the rectangular plane; the screw is screwed in the screw hole on the top block.
The top surface of the bottom plate is provided with a plurality of pin holes 9, and each stop block 3 is connected with a positioning pin corresponding to the pin hole.
With further reference to fig. 2, the connecting mechanism of the jig and the lathe worktable comprises: a T-shaped groove 11 and a T-shaped bolt 12 on the surface of the workbench and a bolt hole 13 on the top block;
the length direction of the T-shaped groove is the same as the advancing/retreating direction of the top block; with further reference to FIG. 3, the head of the T-bolt is disposed within the T-slot, and the screw of the T-bolt is threaded through the bolt hole from bottom to top and the nut is screwed.
The number of the T-shaped grooves is two, and the number of the bolt holes in the top block is two; the two T-shaped grooves are uniformly distributed on two sides of the central line of the advancing/retreating path of the top block; two T-shaped bolts are respectively connected with a T-shaped groove and a bolt hole of the top block.
A plurality of positioning key grooves 14 are connected to the surface of the workbench between the two T-shaped grooves, and the key grooves are arranged along the advancing/retreating direction of the top block; the bottom surface of the top block is provided with a key 15 which protrudes downwards and is correspondingly connected with the key groove.
The utility model is mainly suitable for thin wall type parts, revolving body type parts, lathe processing, finish machining parts and the like.
In this example, the jig and the part are fixed by a positioning pin, so that the part and the jig are concentric, and the jig and the worktable are positioned by a special key arranged in a T-shaped groove in 4 directions, so as to ensure the concentricity of the jig (part) and the worktable. Due to the jig, the concentricity between the workbench and the part can be further adjusted through adjustment between the workbench and the jig. The concentricity between the part itself and the jig is not critical.
The fixture is clamped on the workbench and does not need to be locked, the workpiece is clamped on the fixture and is directly locked, the purpose of correcting the workpiece is achieved through the correction fixture, the problem that the workpiece is deformed due to uneven stress of the workpiece caused by correcting the workpiece is effectively solved, and the problem that the workpiece correction data is changed due to the fact that the workpiece correction data is repeatedly corrected and time is wasted due to the fact that the workpiece correction data is changed in the locking process after the workpiece is corrected is solved.
The utility model is helpful to improve the processing quality of products; the efficiency of correcting parts is improved; the process is simplified, and the tooling working time is shortened.
The workpiece is convenient to correct, and the efficiency is improved; the side top is prevented from being directly contacted with the workpiece, so that the workpiece is prevented from being deformed; mainly aims at a revolving body part machined by a lathe.
Claims (4)
1. A quick roof measuring and correcting jig is characterized by comprising a bottom plate, a workpiece positioning mechanism and a bottom plate/workbench calibrating device;
the projection of the bottom plate is circular, and a plurality of stop blocks are detachably connected to the surface of the bottom plate; the stop blocks are divided into a plurality of groups according to different specifications; any group of the stop blocks are connected to the bottom plate, the stop blocks surround a cylindrical area where the workpiece is located, and the inner side wall of each stop block is arranged on the cylindrical side wall; the stop block forms the workpiece positioning mechanism;
the bottom plate/workbench calibration device comprises at least three top blocks, and the top blocks are provided with mechanisms connected with the workbench; each top block uniformly surrounds the edge of the bottom plate, and the inner side of each top block inwards supports against the edge of the bottom plate.
2. The quick roof-measuring correction jig of claim 1, wherein the edge of the bottom plate has a plurality of tangential rectangular planes, the rectangular planes being parallel to the axis of the bottom plate; the ray led out from the axis of the bottom plate passes through the vertical middle line of the rectangular plane;
each rectangular plane corresponds to one top block; the inner side surface of the top block faces the rectangular plane.
3. The quick roof-measuring correcting jig according to claim 2, wherein the edge of the bottom plate has a plurality of recesses, the rectangular plane is in the recesses;
the inner side surface of the top block is connected with two screws for adjustment, the two screws are symmetrical about the vertical central line of the rectangular plane, and the two screws vertically prop against the horizontal central line of the rectangular plane;
the screw is screwed in the screw hole on the top block.
4. The quick roof-measuring correcting jig according to claim 1, wherein the top surface of the bottom plate is provided with a plurality of pin holes, and each stopper is connected with a positioning pin corresponding to the pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221867911.0U CN218015827U (en) | 2022-07-20 | 2022-07-20 | Quick roof-measuring correction jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221867911.0U CN218015827U (en) | 2022-07-20 | 2022-07-20 | Quick roof-measuring correction jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218015827U true CN218015827U (en) | 2022-12-13 |
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ID=84385274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221867911.0U Active CN218015827U (en) | 2022-07-20 | 2022-07-20 | Quick roof-measuring correction jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218015827U (en) |
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2022
- 2022-07-20 CN CN202221867911.0U patent/CN218015827U/en active Active
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