CN209665345U - A kind of lineation device - Google Patents
A kind of lineation device Download PDFInfo
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- CN209665345U CN209665345U CN201920228603.5U CN201920228603U CN209665345U CN 209665345 U CN209665345 U CN 209665345U CN 201920228603 U CN201920228603 U CN 201920228603U CN 209665345 U CN209665345 U CN 209665345U
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Abstract
The utility model relates to a kind of lineation devices.The lineation device is suitable for the standard test piece of metal material, including bottom plate；Bracket is arranged on the bottom plate；First swing arm and the second swing arm, one end and the bracket rotatable engagement；Connecting plate, the other end rotatable engagement with first swing arm and the second swing arm are equipped with blade assembly on the connecting plate；Pressing plate, is arranged in the bottom surface of the connecting plate, the pressing plate can the relatively described connecting plate sliding so that the pressing plate is close to or far from the blade assembly；Sample fixed plate, be arranged on the bottom plate and can bottom plate sliding relatively, glide direction is consistent with the glide direction of the pressing plate, and the sample fixed plate is used to place the standard test piece.The utility model proposes a kind of lineation device compact overall structure, it is easy to use, cross it is high-efficient.
Description
Technical field
The utility model relates to Material Testing Technology field more particularly to a kind of lineation devices, suitable for metal material
Standard test piece.
Background technique
The measuring mechanical property (tension test) of sheet metal material standard test piece, according to standard GB/T/T228.1-
2010 " metal material stretching test part 1s: room temperature test method " and international standard ISO6892-1:2016 " Metallic
Materials--Tensile testing--Part 1:Method of test at room temperature ", it has no progeny and stretches
The calculation formula of long rate be have no progeny gauge length permanent elongation and the percentage of the ratio between original gauge length, metal material elongation after fracture be
The project that mechanical performance must test is related to the toughness plasticity of material, it is therefore desirable to carry out original gauge length before test piece is tested
Marking.Mark two filaments that original gauge length is 50mm and 80mm respectively on different standard test pieces as needed,
Filament depth is no more than 0.10mm.
There are three types of the scribing line for carrying out original gauge length to sheet metal material standard test piece at present is general: artificial scriber scribing line,
Machinery is got ready, and full-automatic extensometer is read automatically.Wherein, the mode of artificial scriber scribing line is more traditional, and accuracy can not ensure,
Working efficiency is lower；Mechanical device for dotting setting is single, and general every 10mm is beaten a bit, and it is larger to get dynamics ready, if sample is plate
Material, it is deeper to get depth ready, influences test result；It automatically extends and is calculated as foreign latest technical equipment, it is expensive, and print
Test zone length is far longer than clamping extensometer section, if fracture position deviates clamping extensometer section when test, breaks
Elongation result is easy to deviate specified value afterwards.
Utility model content
In view of the above problems in the prior art, the utility model proposes a kind of lineation devices, suitable for metal material
Standard test piece, compact overall structure is easy to use, crosses high-efficient.
Specifically, the utility model proposes a kind of lineation devices, suitable for the standard test piece of metal material, including,
Bottom plate；
Bracket is arranged on the bottom plate；
First swing arm and the second swing arm, one end and the bracket rotatable engagement；
Connecting plate, the other end rotatable engagement with first swing arm and the second swing arm are equipped with knife on the connecting plate
Piece component；
Pressing plate, is arranged in the bottom surface of the connecting plate, the pressing plate can the relatively described connecting plate sliding so that the pressing plate
Close to or far from the blade assembly；
Sample fixed plate, is arranged on the bottom plate and can bottom plate sliding relatively, glide direction and the pressing plate
Glide direction it is consistent, the sample fixed plate is for placing the standard test piece；
Wherein, the bracket, the first swing arm, the second swing arm and connecting plate form a positive parallelogram mechanism, the company
For fishplate bar to lower swing so that the pressing plate is close to the standard test piece, the pressing plate, standard test piece and sample fixed plate form one
Body is slided to the blade assembly, the blade assembly can on the standard test piece marking.
One embodiment according to the present utility model is equipped with locating piece, the positioning at the both ends of the sample fixed plate
Part can be moved on the length direction of the sample fixed plate and can be fixed in the sample fixed plate, solid in the sample
It is also carved with digital scale on fixed board, cooperates with the locating piece, for positioning the standard test piece.
One embodiment according to the present utility model, the connecting plate, the pressing plate, sample fixed plate and backplate surface are equal
Identical tilt angle is formed with horizontal plane.
One embodiment according to the present utility model, the tilt angle are set as 6 °.
One embodiment according to the present utility model is equipped with the first guide rail in the bottom of the connecting plate, the pressing plate
Top is equipped with the first sliding block being slidably matched with first guide rail, and the pressing plate passes through first guide rail and the first sliding block phase
The connecting plate is slided；
It is equipped with the second guide rail on the bottom plate, is equipped in sample fixed plate bottom and matches with second guide rail sliding
The second sliding block closed, the sample fixed plate pass through second guide rail and the relatively described bottom plate sliding of the second sliding block.
One embodiment according to the present utility model, is equipped with ebonite board on the bottom surface of the pressing plate, and the pressing plate is logical
The ebonite board is crossed to be tightly attached on the standard test piece.
One embodiment according to the present utility model is also installed with the linkage perpendicular to the pressing plate on the pressing plate
Pin, for being aligned the position of the pressing plate and sample fixed plate.
One embodiment according to the present utility model, the bracket be equipped with bracket limited block, with first swing arm and/
Or the second swing arm cooperation, the bracket is collided to limit the positive parallelogram mechanism.
One embodiment according to the present utility model is equipped with handle slot, In in first swing arm and/or the second swing arm
Grip hole is offered on the pressing plate.
One embodiment according to the present utility model, the blade assembly include two groups of blades and are arranged outside two groups of blades
Protection cap, the high and low position of blade described in two groups is adjustable, and the distance between blade described in two groups is adjustable.
A kind of lineation device provided by the utility model, it is ingenious to utilize positive parallelogram mechanism, keep pressing plate and sample solid
Fixed board can clamp standard test piece up and down, and drive standard test piece mobile, cooperate with blade assembly and complete standard test piece scribing line, whole
It is compact structure and easy to use, it crosses high-efficient.
It should be appreciated that general description and the following detailed description more than the utility model is all exemplary and illustrative
, and it is intended that the utility model as claimed in claim provides further explanation.
Detailed description of the invention
It is to provide and being further understood to the utility model including attached drawing, they are included and constitute one of the application
Point, attached drawing shows the embodiments of the present invention, and plays the role of explaining the utility model principle together with this specification.
In attached drawing:
Fig. 1 shows the structural schematic diagram of the lineation device of one embodiment of the utility model.
Fig. 2 shows the structural schematic diagram of lineation device in the initial state.
Fig. 3 is the right view of Fig. 2.
Structural schematic diagram one when the positive parallelogram mechanism that Fig. 4 shows lineation device above mentions.
Structural schematic diagram two when the positive parallelogram mechanism that Fig. 5 shows lineation device above mentions.
Fig. 6 shows the structural schematic diagram one when the sample fixed plate sliding of lineation device.
Fig. 7 shows the structural schematic diagram two when the sample fixed plate sliding of lineation device.
Structural schematic diagram one when the pressing plate that Fig. 8 shows lineation device moves down.
Structural schematic diagram two when the pressing plate that Fig. 9 shows lineation device moves down.
Figure 10 shows the structural schematic diagram one when the blade assembly scribing line of lineation device.
Figure 11 shows the structural schematic diagram two when the blade assembly scribing line of lineation device.
Figure 12 shows the structural schematic diagram one of standard test piece.
Figure 13 shows the structural schematic diagram two of standard test piece.
Wherein, the above drawings include the following reference numerals:
100 bottom plate 101 of lineation device
102 first swing arm 103,103 ' of bracket
Second swing arm 104,104 ' connecting plates 105,105 '
Blade assembly 106,106 ' pressing plates 107,107 '
Sample fixed plate 108,108 ' first support portions 109
Second support portion, 110 rotation axis 111,111 '
112 digital scale 113 of locating piece
First guide rail, 114 first sliding block 115
Second guide rail, 116 second sliding block 117
118 ebonite board 119 of limited block
120 handle slot 122 of set bar
123 standard test piece 124 of grip hole
First group of filament, 125 second groups of filaments 126
Third group filament 127
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the application and its application or making
Any restrictions.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited scope of the present application processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present application, it is to be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System is merely for convenience of description the application and simplifies description, and in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is the limitation to the application protection scope；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
Apply for the limitation of protection scope.In addition, although term used in this application is selected from public term,
It is some terms mentioned in present specification may be that applicant by his or her judgement comes selection, detailed meanings
Illustrate in the relevant portion of description herein.Furthermore, it is desirable that not only by used actual terms, and be also to pass through
Meaning that each term is contained understands the application.
Fig. 1 shows the structural schematic diagram of the lineation device of one embodiment of the utility model.Fig. 2 shows scribing line dresses
Set structural schematic diagram in the initial state.Fig. 3 is the right view of Fig. 2.Fig. 4 shows the positive parallelogram machine of lineation device
Structural schematic diagram one when being mentioned on structure.Structural schematic diagram when the positive parallelogram mechanism that Fig. 5 shows lineation device above mentions
Two.Fig. 6 shows the structural schematic diagram one when the sample fixed plate sliding of lineation device.Fig. 7 shows the sample of lineation device
Structural schematic diagram two when fixed plate is slided.Structural schematic diagram one when the pressing plate that Fig. 8 shows lineation device moves down.Fig. 9 shows
The structural schematic diagram two when the pressing plate of lineation device moves down is gone out.Figure 10 shows the knot when blade assembly scribing line of lineation device
Structure schematic diagram one.Figure 11 shows the structural schematic diagram two when the blade assembly scribing line of lineation device.As depicted in figs. 1 and 2, originally
Utility model provide a kind of lineation device 100 suitable for metal material standard test piece mainly include bottom plate 101, bracket 102,
First swing arm 103, the second swing arm 104, connecting plate 105, pressing plate 107 and sample fixed plate 108.
Wherein, bracket 102 usually has a pair, is symmetricly set on bottom plate 101.Prolong respectively at 102 top of bracket to two sides
Stretch the first support portion 109 and the second support portion 110.Two the first parallel support portions 109 are arranged in one end of first swing arm 103
Between, by 111 rotatable engagement of rotation axis, the both ends of shaft 111 are fixed on first for the first swing arm 103 and the first support portion 109
On support portion 109.Likewise, one end of the second swing arm 104 is arranged between two the first parallel support portions 109, the second pendulum
By 111 rotatable engagement of rotation axis, the both ends of shaft 111 are fixed on the first support portion 109 for arm 104 and the first support portion 109.
The other end of the first swing arm 103 and the second swing arm 104 is arranged in connecting plate 105, and the first swing arm 103 and the second swing arm 104 are logical
Cross rotation axis 111 and 105 rotatable engagement of connecting plate.Multiple lugs are equipped on connecting plate, rotation axis 111 and they fit are solid
It is fixed.Readily comprehensible, bracket 102, the first swing arm 103, the second swing arm 104 and connecting plate 105 form a positive parallelogram machine
Structure.Specifically, with reference to Fig. 2, the first swing arm 103 is parallel to each other with the second swing arm 104 and length is identical, 103 He of the first swing arm
The spacing of one end of the second swing arm 104 is identical as the spacing of the other end, in the swing process of positive parallelogram mechanism, first
The angular displacement of swing arm 103 and the second swing arm 104, angular speed and angular acceleration are equal always, make connecting plate 105 remain at
On the position that first support portion 109 is parallel to each other.
Blade assembly 106 is equipped on connecting plate 105.Conventional, blade assembly 106 includes spaced two groups of knives
Piece, the spacing of two groups of blades can be 50mm or 80mm.
Pressing plate 107 is arranged on the bottom surface of connecting plate 105, and pressing plate 107 connecting plate 105 can slide relatively, so that pressing plate 107
Close to or far from blade assembly 106.
Sample fixed plate 108 is arranged on bottom plate 101 and can the sliding of opposed bottom 101.The sliding side of sample fixed plate 108
To consistent with the glide direction of pressing plate 107, sample fixed plate 108 is for placing standard test piece 124.
In positive parallelogram mechanism operational process, sample fixed plate 108 is moved into suitable position, connecting plate 105
To lower swing so that the pressing plate 107 of its bottom is close to downwards the standard test piece 124 being placed in sample fixed plate 108, make pressing plate
107, standard test piece 124 and sample fixed plate 108 form one.Pressing plate 107 is pushed, pressing plate 107, standard test piece 124 and examination are made
Sample fixed plate 108 is slided to blade assembly 106 together, and blade assembly 106 can cooperate with standard test piece 124, to try in standard
Marking is made on piece 124.
A kind of lineation device 100 provided by the utility model makes pressing plate 107 and sample using positive parallelogram mechanism
Fixed plate 108 can clamp standard test piece 124 up and down, and pressing plate 107, standard test piece 124 and sample fixed plate 108 is pushed to move together
It is dynamic, cooperate with blade assembly 106 and complete the scribing line of standard test piece 124, compact overall structure is easy to use, crosses high-efficient.
Preferably, being equipped with locating piece 112 at the both ends of sample fixed plate 108.Locating piece 112 can be along sample fixed plate 108
Length direction on move and can be fixed in sample fixed plate 108.For example, on the length direction of sample fixed plate 108
Elongated slot is offered, locating piece 112 can be moved with elongated slot cooperation in sample fixed plate 108.It is also carved in sample fixed plate 108
Digital scale 113 cooperates with locating piece 112, is used for localization criteria test piece 124.On the vertical plane of bottom plate 101, knife
Two groups of blade symmetries of piece component 106 are distributed in the two sides of the zero graduation line of digital scale 113.In this way, standard test piece 124 is determined
Position is more convenient, accurate, can guarantee that two grooves of the original gauge length of the interlude of standard test piece 124 are located in standard test piece 124
Heart two sides are symmetrically located, and scribing line efficiency is effectively promoted.
Preferably, connecting plate 105, pressing plate 107, sample fixed plate 108 and 101 surface of bottom plate formed with horizontal plane it is identical
Tilt angle.Under original state or recoil state, by the self weight of pressing plate 107 and sample fixed plate 108, pressing plate can be made
107 and sample fixed plate 108 automatically fall back on its initial position, prepare for next groove.More preferably, tilt angle is set as
6°.It is clear that tilt angle is bigger, then relying on gravity, to retract effect automatically more preferable.But tilt angle is bigger, then needs to mention
The height of ascending branch frame 102 and the length of bottom plate 101, so that the cost of lineation device 100 improves.
Preferably, being equipped with the first guide rail 114 in the bottom of connecting plate 105, the top of pressing plate 107 is equipped with and the first guide rail
114 the first sliding blocks 115 being slidably matched.Pressing plate 107 is sliding by the first guide rail 114 and the opposite connecting plate 105 of the first sliding block 115
It is dynamic.It is equipped with the second guide rail 116 on bottom plate 101, is equipped in 108 bottom of sample fixed plate and is slidably matched with the second guide rail 116
Second sliding block 117, sample fixed plate 108 are slided by the second guide rail 116 and 117 opposed bottom 101 of the second sliding block.First guide rail
114 and second guide rail 116 can select spherical guide, reduce coefficient of rolling friction, the cooperation with sliding block more preferably, can make to press
Plate 107 and the sliding process of sample fixed plate 108 become quite slim and graceful and smooth, are promoted and retract effect automatically.More preferably,
The front and back end of one guide rail 114 and the second guide rail 116 is equipped with limited block 118, to prevent the first sliding block 115 or the second sliding block 117
Undesirably fall off the first guide rail 114 or the second guide rail 116.
Preferably, being equipped with ebonite board 119 on the bottom surface of pressing plate 107, pressing plate 107 is tightly attached to by ebonite board 119
On standard test piece 124.Ebonite board 119 can increase the contact area with standard test piece 124, promotes frictional force, guarantees crossing
The nonvoluntary movement of standard test piece 124 in the process.It is subject to 107 place plane of pressing plate, the bottom of blade assembly 106 (i.e. blade
Bottom) it is lower than 119 bottom surface 0.2mm of ebonite board, so that blade is cooperated with about 124 standard test piece and completes scribing line movement.
Preferably, being also installed with the set bar 120 perpendicular to pressing plate 107 on pressing plate 107.The set bar 120 can be used
In the position of alignment pressing plate 107 and sample fixed plate 108, particular content is unfolded to describe later.
Preferably, being equipped with bracket limited block (not shown) on bracket 102.Bracket limited block can with the first swing arm 103 and/
Or second swing arm 104 cooperate, in positive parallelogram mechanism operational process, connecting plate 105 is avoided to collide to lower swing
Bracket 102.
Preferably, being equipped with handle slot 122 in the first swing arm 103 and/or the second swing arm 104, offered on pressing plate 107
Grip hole 123.This kind of structure is to implement operation in order to facilitate the operation of personnel, while reducing the overall weight of lineation device 100,
It is moved easily and makes 100 monnolithic case of lineation device more attractive.
Preferably, blade assembly 106 includes two groups of blades, every group of blade includes blade and the protection that is arranged in outside blade
Lid.The blade is rotary blade structure, and the diameter of protection cap is less than 0.5~0.6mm of blade diameter, with prevent operator because
Maloperation and injured aggravate.Further, the high and low position of two groups of blades is adjustable, can appropriate adjustment depth of score.Two groups of blades
The distance between it is adjustable, to adapt to the scribing line standard of 50mm or 80mm.
Preferably, another symmetrical positive parallelogram mechanism can be constructed in the other end of bracket 102, so that propping up
A set of groove mechanism is respectively arranged in 102 both ends of frame.With reference to Fig. 1, lineation device 100 further includes the first swing arm 103 ', the second swing arm
104 ', connecting plate 105 ', blade assembly 106 ', pressing plate 107 ' and sample fixed plate 108 '.One end of first swing arm 103 ' is arranged
On the second support portion 110, the first swing arm 103 ' and the second support portion 110 pass through 111 ' rotatable engagement of rotation axis.Likewise, the
One end of two swing arms 104 ' is arranged on the second support portion 110, and the second swing arm 104 ' and the second support portion 110 pass through rotation axis
111 ' rotatable engagements.The other end in the first swing arm 103 ' and the second swing arm 104 ', the first swing arm 103 ' is arranged in connecting plate 105 '
Pass through rotation axis 111 ' and 105 ' rotatable engagement of connecting plate with the second swing arm 104 '.Readily comprehensible, bracket 102, first is put
Arm 103 ', the second swing arm 104 ' and connecting plate 105 ' form another positive parallelogram mechanism.Specifically, the first swing arm
103 ' are parallel to each other and length is identical with the second swing arm 104 ', the spacing of one end of the first swing arm 103 ' and the second swing arm 104 ' with
The spacing of the other end is identical, in the swing process of the positive parallelogram mechanism, the first swing arm 103 ' and the second swing arm 104 '
Angular displacement, angular speed and angular acceleration it is equal always, so that connecting plate 105 ' is remained mutually flat with the second support portion 110
Row.
Blade assembly 106 ' is equipped on connecting plate 105 '.Conventional, blade assembly 106 ' includes spaced two groups
Blade.
The setting of pressing plate 107 ' is in the bottom surface of connecting plate 105 ', and pressing plate 107 ' connecting plate 105 ' can slide relatively, so that pressing plate
107 ' close to or far from blade assembly 106 '.
Sample fixed plate 108 ' is arranged on bottom plate 101 and can the sliding of opposed bottom 101.The sliding of sample fixed plate 108 '
Direction is consistent with the glide direction of pressing plate 107 ', and sample fixed plate 108 ' is for placing standard test piece 124.
In the positive parallelogram mechanism operational process, sample fixed plate 108 ' is moved into suitable position, connecting plate
105 ' to lower swing so that the pressing plate 107 ' of its bottom is close to downwards the standard test piece 124 being placed in sample fixed plate 108 ',
So that pressing plate 107 ', standard test piece 124 and sample fixed plate 108 ' is formed one, push pressing plate 107 ', makes pressing plate 107 ', standard examination
Piece 124 and sample fixed plate 108 ' are slided to blade assembly 106 ', and blade assembly 106 ' can cooperate with standard test piece 124, thus
Marking is made on standard test piece 124.Practical 102 two sides of upper bracket are full symmetric, and scribing operation mode is completely the same,
Unique difference is that the spacing between two groups of blades that blade assembly 106,106 ' is included can be different, such as bracket 102 1
The blade spacing of side can choose 50mm, and the other side can choose 80mm.So set, then without often adjusting any group of blade
Spacing, the requirement for different original gauge lengths then can choose 106 ' Lai Jinhang of corresponding blade assembly 106 or blade assembly
Marking.
The course of work of lineation device 100 is described in detail below in conjunction with all attached drawings.
Referring to figs. 2 and 3, in original state, by bracket 102, the first swing arm 103, the second swing arm 104 and connecting plate 105
Under the effect of gravity, pressing plate 107 is swung the positive parallelogram mechanism formed toward 102 direction of bracket.In positive parallelogram machine
In the swing process of structure, the angular displacement of the first swing arm 103 and the second swing arm 104, angular speed and angular acceleration are equal always, make to connect
Fishplate bar 105 is remained to be parallel to each other with the first support portion 109.When bracket limited block is bonded with the corresponding surface of the first swing arm 103
When, positive parallelogram mechanism stops downlink, and bracket limited block is avoided that connecting plate 105 collides bracket 102.Due to connecting plate
105, pressing plate 107, sample fixed plate 108 and 101 surface of bottom plate form 6 ° of tilt angle with horizontal plane.Dependent on pressing plate
107 and sample fixed plate 108 self weight, pressing plate 107 and sample fixed plate 108 are respectively along the first guide rail 114 and the second guide rail 116
Reach one end far from bracket 102.At this point, set bar 120 is between bracket 102 and sample fixed plate 108.
Then, with reference to Fig. 4 and Fig. 5 and as shown in connection with fig. 1, first by the locating piece 112 of side in sample fixed plate 108 according to
The half of 124 length of standard test piece finds length groove corresponding position in sample fixed plate 108, fixes the locating piece 112.Then will
Standard test piece 124 to be tensioned is placed in sample fixed plate 108, and one end abuts the locating piece 112 fixed, by the other side
The other end that reclines to standard test piece 124 of locating piece 112 fix.In this way, the center of standard test piece 124 is fixed with sample
The position of the zero graduation line of plate 108 is overlapped.Refer to the handle slot 122 clamped in the first swing arm 103 or the second swing arm 104 using two,
It is swung up positive parallelogram mechanism to a high position, the other hand pushes sample fixed plate 108 to bracket 102 and fixes sample
Before plate 108 pushes to set bar 120.
With reference to Fig. 6 and Fig. 7, positive parallelogram mechanism is slowly put down, makes 107 He of pressing plate being arranged on connecting plate 105
Ebonite board 119 does the movement to lower swing and to 102 side of bracket, and set bar 120 is and final close to sample fixed plate 108
It sticks in sample fixed plate 108.Since sample fixed plate 108 is fixed on bottom plate 101, and bottom plate 101 and pressing plate 107 incline
Rake angle is identical, therefore ebonite board 119 remains parallel with sample fixed plate 108.Under the action of set bar 120, pressing plate
107 and sample fixed plate 108 it is mobile to 102 side of bracket together.Fig. 8 and Fig. 9 is referred to during close to 102 side of bracket,
Ebonite board 119 is gradually moved down and is gradually reduced with the distance between sample fixed plate 108.Set bar 120 is for guaranteeing hard rubber
108 consistency from top to bottom of offset plate 119 and sample fixed plate, so that ebonite board 119 is finally bonded to each other with standard test piece 124, in this way
When standard test piece 124 is clamped between ebonite board 119 and sample fixed plate 108, until positive parallelogram mechanism can not
It continues traveling downwardly.Correspondingly, the position for the blade assembly 106 being arranged on connecting plate 105 is fixed, to put down where pressing plate 107
Subject to face, the bottom (i.e. the bottom of blade) of blade assembly 106 is lower than 119 bottom surface 0.2mm of ebonite board, to guarantee blade assembly
106 can cooperate the work after completing with standard test piece 124.
Continue to refer to figure 10 and Figure 11, at this time can light pressing plate 107, standard test piece 124, ebonite board 119, sample is solid
Fixed board 108 and pressing plate 107 push blade assembly 106 to, sliding in the first guide rail 114, the first sliding block 115, the second guide rail 116 and second
Under the cooperation of block 117, it is only necessary to apply the power of very little, standard test piece 124 can be pushed into 106 position of blade assembly, blade rotation
To leave the groove that spacing is 50mm or 80mm on standard test piece 124.It is readily comprehensible, since blade assembly 106 is arranged
On connecting plate 105, the high and low position relationship with ebonite board 119 is fixed.Therefore, the thickness and knife of standard test piece 124
The position of piece component 106 is unrelated, without adjusting the height of blade because of the thickness of standard test piece 124 difference.Blade assembly 106
The adjustment of blade upper and lower position is only to adjust the depth of groove, therefore lineation device 100 can be applied to the standard test piece of different-thickness
124。
It is finished wait cross, refers to the handle slot 122 clamped in the first swing arm 103 or the second swing arm 104 using two, made just parallel
Quadrangular mechanism is swung up to a high position, and ebonite board 119 moves upwardly off standard test piece 124, due to connecting plate 105, pressure
The tilt angle of plate 107, sample fixed plate 108 and bottom plate 101, under the action of the first sliding block 115 and the second sliding block 117, pressure
Plate 107 and sample fixed plate 108 slide to one end far from bracket 102 along the first guide rail 114 and the second guide rail 116 respectively, put down
Positive parallelogram mechanism makes lineation device 100 come back to original state, referring to figs. 2 and 3.At this time, it now is possible to replace
The standard test piece 124 crossed carries out scribing line next time and prepares.
Figure 12 shows the structural schematic diagram one of standard test piece 124.Figure 13 shows the structural schematic diagram of standard test piece 124
Two.As shown, having delineated first group of filament 125 that one group of spacing is 50mm on standard test piece 124.According to sample fixed plate
Graduated scale on 108, by standard test piece 124 be moved to the left 25mm scribing line after, then by standard test piece 124 move right 25mm draw
Line, thus standard test piece 124 first group of filament 125 each side form second group of filament 126 and third group is thin
Line 127 completes the filament that 50mm is divided between having carved three groups on standard test piece 124, for elongation after fracture later
Testing of materials.
A kind of lineation device provided by the utility model has the advantage that
1. ensuring that moving link makees holding and initial bit using the positive parallelogram mechanism that parallelogram principle designs
The back-and-forth motion of horizontalization row.Downwardly against standard test piece under Gravitative Loads, manpower (very little) need to only pushed away its major part flower
It is dynamic to move ahead above.
2. standard test piece positioning is convenient, accurate, it can guarantee that two grooves of the original gauge length of interlude are located at standard test piece
Symmetrically locate center two sides.
3. standard test piece is designed to move along with the direction that horizontal plane has angle, in this way in Recovery Process due to
Gravitative Loads make each component voluntarily return to low spot by high point, have the characteristics that semi-automatic.
4. elapsing briquetting when scribing line, ebonite board, standard test piece and sample fixed plate laterally using spherical guide
Reciprocal process becomes quite slim and graceful and smooth.
5. groove depth can be adjusted as needed.
6. the design of set bar guarantees that ebonite board correctly pushes down standard test piece, also make to clamp the upper and lower of standard test piece
Two components are mutually aligned.
7. lineation device can be suitable in 0.5mm to the standard test piece of the thickness change between 10mm.
The mode of the more artificial scriber scribing line of the original gauge length scratching process of the lineation device, working efficiency significantly improve.Property
Valence can satisfy the demand of most of client than high, deviate specified value in full-automatic extensometer test elongation after fracture result
In the case of, it is more met the requirements by the result that the lineation device of the original gauge length checks elongation after fracture.
Those skilled in the art can be obvious, can the above exemplary embodiments of the utility model be carry out various modifications and be become
Spirit and scope of the type without departing from the utility model.Accordingly, it is intended to which the utility model covering is made to fall in the appended claims
And its modifications and variations to the utility model within the scope of equivalent arrangements.
Claims (10)
1. a kind of lineation device, the standard test piece suitable for metal material, which is characterized in that including,
Bottom plate；
Bracket is arranged on the bottom plate；
First swing arm and the second swing arm, one end and the bracket rotatable engagement；
Connecting plate, the other end rotatable engagement with first swing arm and the second swing arm are equipped with set of blades on the connecting plate
Part；
Pressing plate, is arranged in the bottom surface of the connecting plate, the pressing plate can the relatively described connecting plate sliding so that the pressing plate is close
Or far from the blade assembly；
Sample fixed plate, be arranged on the bottom plate and can bottom plate sliding relatively, the cunning of glide direction and the pressing plate
Dynamic direction is consistent, and the sample fixed plate is for placing the standard test piece；
Wherein, the bracket, the first swing arm, the second swing arm and connecting plate form a positive parallelogram mechanism, the connecting plate
To lower swing so that the pressing plate is close to the standard test piece, the pressing plate, standard test piece and sample fixed plate formed one to
Blade assembly sliding, the blade assembly can on the standard test piece marking.
2. lineation device as described in claim 1, which is characterized in that it is equipped with locating piece at the both ends of the sample fixed plate,
The locating piece can be moved on the length direction of the sample fixed plate and can be fixed in the sample fixed plate, in institute
It states and is also carved with digital scale in sample fixed plate, cooperate with the locating piece, for positioning the standard test piece.
3. lineation device as described in claim 1, which is characterized in that the connecting plate, the pressing plate, sample fixed plate and bottom
Plate surface forms identical tilt angle with horizontal plane.
4. lineation device as claimed in claim 3, which is characterized in that the tilt angle is set as 6 °.
5. lineation device as described in claim 1, which is characterized in that be equipped with the first guide rail, institute in the bottom of the connecting plate
The top for stating pressing plate is equipped with the first sliding block for being slidably matched with first guide rail, and the pressing plate passes through first guide rail and the
The relatively described connecting plate sliding of one sliding block；
It is equipped with the second guide rail on the bottom plate, is equipped in sample fixed plate bottom and is slidably matched with second guide rail
Second sliding block, the sample fixed plate pass through second guide rail and the relatively described bottom plate sliding of the second sliding block.
6. lineation device as described in claim 1, which is characterized in that be equipped with ebonite board, institute on the bottom surface of the pressing plate
Pressing plate is stated to be tightly attached on the standard test piece by the ebonite board.
7. lineation device as described in claim 1, which is characterized in that be also installed on the pressing plate perpendicular to the pressing plate
Set bar, for being aligned the position of the pressing plate and sample fixed plate.
8. lineation device as described in claim 1, which is characterized in that the bracket is equipped with bracket limited block, with described the
One swing arm and/or second swing arm cooperation collide the bracket to limit the positive parallelogram mechanism.
9. lineation device as described in claim 1, which is characterized in that be equipped in first swing arm and/or the second swing arm
Handle slot offers grip hole on the pressing plate.
10. lineation device as described in claim 1, which is characterized in that the blade assembly includes that two groups of blades and setting exist
Protection cap outside two groups of blades, the high and low position of blade described in two groups is adjustable, and the distance between blade described in two groups is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228603.5U CN209665345U (en) | 2019-02-20 | 2019-02-20 | A kind of lineation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228603.5U CN209665345U (en) | 2019-02-20 | 2019-02-20 | A kind of lineation device |
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| Publication Number | Publication Date |
|---|---|
| CN209665345U true CN209665345U (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920228603.5U Active CN209665345U (en) | 2019-02-20 | 2019-02-20 | A kind of lineation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702706A (en) * | 2019-02-20 | 2019-05-03 | 上海机动车检测认证技术研究中心有限公司 | A kind of lineation device |
-
2019
- 2019-02-20 CN CN201920228603.5U patent/CN209665345U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702706A (en) * | 2019-02-20 | 2019-05-03 | 上海机动车检测认证技术研究中心有限公司 | A kind of lineation device |
| CN109702706B (en) * | 2019-02-20 | 2023-12-26 | 上海机动车检测认证技术研究中心有限公司 | Scribing device |
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