CN207788928U - A kind of positive and negative scoring tool - Google Patents
A kind of positive and negative scoring tool Download PDFInfo
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- CN207788928U CN207788928U CN201721700225.3U CN201721700225U CN207788928U CN 207788928 U CN207788928 U CN 207788928U CN 201721700225 U CN201721700225 U CN 201721700225U CN 207788928 U CN207788928 U CN 207788928U
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- clamping plate
- positive
- upper clamping
- scoring tool
- handheld board
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Abstract
The utility model discloses a kind of positive and negative scoring tools.The positive and negative scoring tool of the utility model comprising handheld board and two pieces of clamping plates.The side at clamping plate both ends along longitudinal direction is mutually parallel.Handheld board is clamped between using fixing device for two pieces of clamping plates.The positive and negative scoring tool of the utility model is simple in structure, solves that the previous error of scribing line by hand is big, and repeatable accuracy is low, the low problem of efficiency, and suitable for crossing to the part of various irregular shapes.
Description
Technical field
The utility model is related to scoring tool technical field more particularly to a kind of positive and negative scoring tools.
Background technology
In field of machining, scribing by bench worker is a kind of common alignment processing method, and scribing line effect is for processing
The allowance of foundation or reasonable distribution workpiece.Common router has scriber, plans, stamps the card, tablet, sample punching etc..Scribing line
When surface need to apply the uniform and thin coating of last layer, black skin is starched with great Bai or chalk；Machined surface is with purple paint (gentian violet
Add shellac and alcohol) or green coating (peacock green adds shellac and alcohol)；Porose workpiece also uses lead or wooden unit plug-hole,
To determine the center in hole.Scribing line has plane scribing line and three-dimensional two kinds of scribing line.Plane, which is crossed, will generally draw the lines of both direction,
And three-dimensional scribing line will generally draw the lines in three directions.Lines per standardized a direction just must be there are one scribe fiducials, therefore put down
Face scribing line will select two scribe fiducials, solid scribing line to select three scribe fiducials.Common scribe fiducials selection example is as follows：
1. using two mutually perpendicular lines (or face) as scribe fiducials；
2. using a plane and a center line as scribe fiducials；
3. using two mutually perpendicular center lines as scribe fiducials.
Tradition is required for positive and negative scribing line two secondary standards, clamping is looked for fix twice, and there are the followings to lack for this mode
Point：
1. time-consuming and laborious；
2. there is no multiple benchmark to exist for part sometimes, benchmark is just can not find after turn-over；
3. there are certain deviation, this error cannot receive sometimes.
The manufacture route of traditional handicraft equipment is that loft design department is according to theoretical pattern, reference configuration or system pattern
Draw 1：1 loft gelatin plate or metal mold line chart version, then made on the basis of loft gelatin plate or metal mold line chart version
All kinds of models make positive and negative master body with model, and mold, the fixture of each different processes, association are deviate from by positive and negative master body
Interior external form snap-gauge, datum grade and the intersection point of all kinds of assembly jigs are made in modulation, part are manufactured with die clamper, with type frame mounting portion group
Part and aircraft general assembly.Here it is the basic skills that analog quantity is transmitted, and this method is at present or in China's Aircraft Production system
A kind of most basic technology mode, although just tool rule have been transmitted in the digitlization that digital-to-analogue software and all kinds of numerically-controlled machine tools are dominated now
Mould, but because the reason of various aspects, this model analog data transmission is also using, and the accuracy of model itself processing is straight
Influence data reliability is connect, pincers worker needs certain basic training to the scribing line drilling etc. of model, in positive and negative scratching process,
Traditional process can all increase site workload and difficulty of construction, need it is a kind of can quickly and effectively accurate tool it is auxiliary
It helps.
Utility model content
The technical problems to be solved in the utility model is time-consuming and laborious in order to overcome positive and negative in the prior art to cross, and
The defect that scribing line is easy to cause error proposes a kind of novel positive and negative scoring tool.
The utility model is to solve above-mentioned technical problem by following technical proposals：
The utility model provides a kind of positive and negative scoring tool, and feature is, positive and negative scoring tool includes hand-held
Clamping plate and lower clamping plate on plate；Upper clamping plate is identical with the transverse width of lower clamping plate；Upper clamping plate and lower clamping plate are along vertical
Arranged superposed forwards, backwards has therebetween opposite clamping plane；The side of the left and right sides of upper clamping plate along longitudinal direction is mutual
Parallel, the side of the left and right sides of lower clamping plate along longitudinal direction is mutually parallel；Handheld board is clamped in upper clamping by fixing device
Between plate and the clamping plane of lower clamping plate；When scribing line, clamping plane clamps part to be crossed, and utilizes upper clamping plate and lower folder
The positive and negative that scribing line part is treated in the side of tight plate both sides is crossed.
Preferably, the depth of parallelism between the side of upper clamping plate is not more than 0.02mm；It is flat between the side of upper clamping plate
Row degree is not more than 0.02mm.
Preferably, the upper end of handheld board is fixed on the lower end of clamping plate and lower clamping plate.
Preferably, handheld board, upper clamping plate and lower clamping plate are integrally fixed by rivet or spiral pin.
Preferably, the distance between upper clamping plate and lower clamping plate are gradually reduced along longitudinal direction from fixed handheld board one end.
Preferably, upper clamping plate, lower clamping plate are cuboid.
Preferably, handheld board is cuboid.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can arbitrarily combine to get the utility model respectively compared with
Good example.
The positive effect of the utility model is：
The positive and negative scoring tool of the utility model can be adapted for owning in factory using the embedding firmly part of upper and lower clamping plate
Model positive and negative is crossed, and solves that the previous error of scribing line by hand is big, and repeatable accuracy is low, the low problem of efficiency, it is faster, conveniently,
It is intuitive to draw reverse side part line, improve the processing efficiency at scene.And the positive and negative scoring tool of the utility model encounters outside
When shape is irregularly intersected without vertical line, it can also solve the problems, such as that positioning is indefinite from two positive and negative datum lines are drawn.In addition, this
The positive and negative scoring tool of utility model also have it is light reliable, it is easy to use, it is at low cost, the advantages of strong applicability.
Description of the drawings
Fig. 1 is a kind of stereogram of positive and negative scoring tool of one preferred embodiment of the utility model；
Fig. 2 (a) and Fig. 2 (b) is respectively a kind of clamping of positive and negative scoring tool of one preferred embodiment of the utility model
The front view and right view of plate；
Fig. 3 (a) and Fig. 3 (b) is respectively a kind of the hand-held of positive and negative scoring tool of one preferred embodiment of the utility model
The front view and right view of plate；
Fig. 4 is in a kind of schematic diagram of positive and negative scoring tool of one preferred embodiment of the utility model of use state；
Specific implementation mode
With reference to the accompanying drawings of the specification, further the preferred embodiment of the utility model is described in detail, it is below
It is described as illustratively, being not limitation of the utility model, other any still fall within the utility model similar to situation
Among protection domain.
In specific descriptions below, the term of directionality, such as "left", "right", "upper", "lower", "front", "rear", etc.,
Direction described in refer to the attached drawing uses.The component of the embodiments of the present invention can be placed in a variety of different directions, direction
The term of property is for illustrative purposes and not restrictive.
Below in conjunction with Fig. 1-4 detailed descriptions according to a preferred embodiment of the present utility model thought.Institute picture 1-4
Show, a kind of positive and negative scoring tool comprising handheld board 2, upper clamping plate 1 and lower clamping plate 4.Upper clamping plate 1 and lower clamping plate 4
Transverse width it is identical, and upper clamping plate 1 and lower clamping plate 4 forward lap arrangement along longitudinal direction, have opposite folder therebetween
Maintain an equal level face.The side A and side B of the both sides along longitudinal direction of upper clamping plate 1 are mutually parallel, and lower clamping plate 4 is similarly arranged.Upper clamping plate
1 and lower clamping plate 4 using fixing device by handheld board 2 be clamped between.Specifically, as shown in Figure 1, in upper clamping plate 1
Through-hole is opened up with the lower end position of lower clamping plate 4 along longitudinal direction, and through-hole is opened up in the upper end position of handheld board 2, rivet 3 is successively
Across the through-hole of upper clamping plate 1, the through-hole of handheld board 2, lower grip block 4 through-hole to by upper clamping plate 1, handheld board 2 and under
4 three of clamping plate is integrally fixed.When scribing line, upper clamping plate 1 and lower clamping plate 4 clamp model, and operating personnel hold handheld board
2, the side for being utilized respectively clamping plate 1 and the respective longitudinal both sides of lower clamping plate 4 crosses to the positive and negative of model.
It accurately crosses to ensure to realize, using attrition process or the processing method of other raising plane smoothness to upper
Clamping plate 1, lower clamping plate 4 along longitudinal direction the left and right sides side A and side B be processed, to improve between side A and side B
The depth of parallelism.Preferably, the depth of parallelism between the side A and side B of upper clamping plate 1 can be arranged to be not more than 0.02mm,
Lower clamping plate 4 is similarly arranged.
Preferably, upper clamping plate 1, handheld board 2, lower clamping plate 4 can be set to the form of cuboid.For example, can be by upper folder
Tight plate 1, the length of lower clamping plate 4, width, thickness size be arranged respectively to 180mm, 25mm, 2mm.The length of handheld board 2,
Width, thickness size be arranged respectively to 150mm, 25mm, 3mm.The wherein thickness of handheld board 2 and the thickness of part to be crossed is excellent
Selection of land is arranged to unanimously.For the model of different-thickness, the handheld board 2 of different-thickness may be selected.
As shown in Figure 1, the upper end of handheld board 2 is fixed on the lower end of clamping plate 1 and lower clamping plate 4.This set side
Formula can ensure 1 maximum marking lengths of gripping block, while ensure the minimum length of handheld board 2.
The distance between two pieces of clamping plates 1 are gradually reduced along longitudinal direction from one end of fixed handheld board 2 namely upper clamping plate 1
It is inwardly collapsed in one end far from handheld board 2 between lower clamping plate 4, to form the form of the tight the inside pine in outside so that this
The tool of utility model is more bonded model and waits for scribing line part, scribing line more accurate.
Fig. 4 shows the schematic diagram that the positive and negative scoring tool using the utility model crosses to part 5.Wherein,
Staff holds handheld board 2, is clamped part 5 using upper clamping plate 1 and lower clamping plate 4, and upper clamping plate 1 and lower folder respectively
The side A and side B of tight plate 4 cross to part.
It may be noted that although upper clamping plate 1, handheld board 2, lower clamping plate 4 shown in the present embodiment attached drawing are cuboid, so
And as long as ensureing that the side A at the both ends along longitudinal direction of upper clamping plate 1 is parallel with side B, other end faces of upper clamping plate 1 can be used arc,
Polygon or irregular shape.And lower clamping plate 4 can also be similarly arranged.
In addition, the optional item as replacement, can be used other modes between clamping plate and handheld board 2 and is fixed.Example
Such as, any one in upper clamping plate 1 and lower clamping plate 4 or two through-holes can be arranged to screw hole, the through-hole of handheld board 2 also may be used
It is alternatively configured to screw hole, so as to which spiral pin to be screwed into the screw hole of one of clamping plate, and then by upper clamping plate 1, lower folder
Tight plate 4 and handheld board 2 are integrally fixed.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely examples, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Member can make these embodiments numerous variations or repair under the premise of without departing substantially from the principles of the present invention and essence
Change, but these change and modification each fall within the scope of protection of the utility model.
Claims (7)
1. a kind of positive and negative scoring tool, which is characterized in that it includes handheld board (2), upper clamping plate (1) and lower clamping plate (4)；
The upper clamping plate (1) is identical with the lower transverse width of clamping plate (4)；The upper clamping plate (1) and the lower clamping plate
(4) forward lap arrangement along longitudinal direction, has opposite clamping plane therebetween；The left and right of the upper clamping plate (1) along longitudinal direction
The side of both sides is mutually parallel, and the side of the left and right sides of the lower clamping plate (4) along longitudinal direction is mutually parallel；The handheld board
(2) it is clamped between the upper clamping plate (1) and the clamping plane of the lower clamping plate (4) by fixing device；It draws
When line, the clamping plane clamps part to be crossed, and utilizes the upper clamping plate (1) and the lower clamping plate (4) respective two
It crosses to the positive and negative of the part to be crossed the side of side.
2. positive and negative scoring tool as described in claim 1, which is characterized in that the side of the upper clamping plate (1) it
Between the depth of parallelism be not more than 0.02mm；The depth of parallelism between the side of the upper clamping plate (1) is not more than 0.02mm.
3. positive and negative scoring tool as claimed in claim 1 or 2, which is characterized in that the upper end of the handheld board (2) is fixed
In the lower end of the upper clamping plate (1) and the lower clamping plate (4).
4. positive and negative scoring tool as claimed in claim 3, which is characterized in that by rivet or spiral pin by the handheld board
(2), the upper clamping plate (1) and the lower clamping plate (4) are integrally fixed.
5. positive and negative scoring tool as claimed in claim 4, which is characterized in that the upper clamping plate (1) and the lower clamping
The distance between plate (4) is gradually reduced along longitudinal direction from the fixation handheld board (2) one end.
6. the positive and negative scoring tool as described in any one of claim 1,4-5, which is characterized in that the upper clamping plate (1)
It is cuboid with the lower clamping plate (4).
7. the positive and negative scoring tool as described in any one of claim 1,4-5, which is characterized in that the handheld board (2) is
Cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721700225.3U CN207788928U (en) | 2017-12-08 | 2017-12-08 | A kind of positive and negative scoring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721700225.3U CN207788928U (en) | 2017-12-08 | 2017-12-08 | A kind of positive and negative scoring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207788928U true CN207788928U (en) | 2018-08-31 |
Family
ID=63283468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721700225.3U Active CN207788928U (en) | 2017-12-08 | 2017-12-08 | A kind of positive and negative scoring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207788928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015618A (en) * | 2019-11-01 | 2020-04-17 | 中冶陕压重工设备有限公司 | Channel steel plug lofting device and lofting method |
| CN114750124A (en) * | 2022-03-09 | 2022-07-15 | 上海江南长兴造船有限责任公司 | Marking device and marking method for front and back surfaces of ship steel plate |
-
2017
- 2017-12-08 CN CN201721700225.3U patent/CN207788928U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015618A (en) * | 2019-11-01 | 2020-04-17 | 中冶陕压重工设备有限公司 | Channel steel plug lofting device and lofting method |
| CN111015618B (en) * | 2019-11-01 | 2022-08-05 | 中冶陕压重工设备有限公司 | Channel steel plug lofting device and lofting method |
| CN114750124A (en) * | 2022-03-09 | 2022-07-15 | 上海江南长兴造船有限责任公司 | Marking device and marking method for front and back surfaces of ship steel plate |
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