CN208451151U - Clamping fixture - Google Patents

Clamping fixture Download PDF

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Publication number
CN208451151U
CN208451151U CN201821151354.6U CN201821151354U CN208451151U CN 208451151 U CN208451151 U CN 208451151U CN 201821151354 U CN201821151354 U CN 201821151354U CN 208451151 U CN208451151 U CN 208451151U
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CN
China
Prior art keywords
plate body
clamping fixture
microscope carrier
limited block
self
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821151354.6U
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Chinese (zh)
Inventor
周群飞
李晓杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lansi Precision Taizhou Co ltd
Original Assignee
Lansi Precision (dongguan) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201821151354.6U priority Critical patent/CN208451151U/en
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Publication of CN208451151U publication Critical patent/CN208451151U/en
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Abstract

The utility model discloses a kind of clamping fixtures, it include: microscope carrier, the supporting element below the microscope carrier, the position-limiting unit above the microscope carrier, the position-limiting unit includes the limited block and self-locking cylinder being oppositely arranged, and the limited block is fixedly connected with the microscope carrier.The clamping fixture of the utility model can guarantee that the position of workpiece in process is securely constant, be not in loosen, workpiece is enable to be precisely machined, improve production yield.

Description

Clamping fixture
Technical field
The utility model relates to field of machining technology more particularly to a kind of clamping fixtures.
Background technique
Machining mainly has manual processing and numerical control processing two major classes.Manual processing refers to be grasped by hand by mechanic Make the mechanical equipments such as milling machine, lathe, drilling machine and sawing machine to realize the method processed to a variety of materials.Manual processing be suitble into Row small lot, the production of simple part.Numerical control processing refers to mechanic with numerical control device to process, these numerical controls are set Standby includes machining center, turning milling center, Wire EDM equipment, screw chasing machine etc..Most of machine shop is all Using Computerized Numerical Control processing technology.
CNC is the abbreviation of computer digital control machine tool (Computer numerical control), is that one kind is equipped with The automated machine tool of program control system, the control system, which can be handled logically, has control coding or other symbolic instructions Regulated procedure is decoded by computer, to make machine tool action and process part, such as by Tool in Cutting by blank Material is processed into semi-finished product fabricated part etc..
CNC processing (CNC Machining) refers to the processing carried out with the machining tool of numerical control.CNC numerically-controlled machine tool is by counting Control processing language is programmed control, and the numerical control processing language is usually G code.Numerical control processing G code tells numerically-controlled machine tool Process tool use which kind of Cartesian position coordinate, and control cutter feed speed and the speed of mainshaft and tool transformation The functions such as device, coolant.Numerical control processing has very big advantage with respect to manual processing, and the part produced such as numerical control is very Accurately and there is repeatability;Numerical control processing can produce the impossible part with complex appearance of manual processing.Numerical control Processing technology popularity, most of machine shop all have a numerical control processing ability, in typical machine shop The most common numerical control processing mode has numerical control mill, numerical control lathe and numerical control wire-EDM cutting (Wire EDM).Carry out numerical control mill Tool is called CNC milling machine or numerical control machining center.The lathe for carrying out numerical control workshop is called numerical control turner center.Numerical control adds Work G code can be programmed manually, but usual machine shop reads CAD with CAM (computer-aided manufacturing) software automatically and (calculates Machine Computer Aided Design) file and G code program is generated, numerically-controlled machine tool is controlled.
With the fast development of mobile phone industry, increasingly more mobile phone metalworks requires to process with CNC, and CNC It processes and be unable to do without tooling clamp tool, good clamp tool can greatly improve production efficiency, improve and optimization clamp tool just shows outstanding It is important.Common cylinder side-thrust is inadequate in existing CNC fixture, be easy to cause material to loosen, causes Working position not accurate, raw It is lower to produce yield.
Utility model content
The purpose of this utility model is to provide a kind of clamping fixture, it can guarantee that the position of workpiece in process is secured It is constant, be not in loosen, workpiece is enable to be precisely machined, improves production yield.
To realize above purpose of utility model, the utility model provides a kind of clamping fixture, comprising: microscope carrier, be set to it is described Supporting element below microscope carrier, the position-limiting unit above the microscope carrier, the position-limiting unit include the limited block being oppositely arranged With self-locking cylinder, the limited block is fixedly connected with the microscope carrier.
Optionally, the clamping fixture of the utility model is for clamping rectangular workpiece, the rectangular work Part has be parallel to each other first while with second and the third that is parallel to each other is while with the 4th, wherein first side and Second while when extending perpendicularly to the third with the extending direction on the 4th side;
The clamping fixture includes the first position-limiting unit and the second position-limiting unit, and first position-limiting unit includes being set to institute State the first limited block on the outside of be set to described second while on the outside of self-locking cylinder;Second position-limiting unit includes being set to institute State limited block of the third on the outside of be set to the described 4th while on the outside of self-locking cylinder.
Optionally, the described first length while with second is greater than length of third while with the 4th;
In first position-limiting unit, the quantity of the limited block is two, is respectively correspondingly arranged in the two of first side End, the quantity of the self-locking cylinder are two, are respectively correspondingly arranged in the both ends on second side.
Optionally, in second position-limiting unit, the quantity of the limited block is one, is correspondingly arranged at the third side Center, the quantity of the self-locking cylinder are one, are correspondingly arranged at the center on the 4th side.
Optionally, the clamping fixture of the utility model further includes the vacuum breathing apparatus on the microscope carrier, described true Suction device of air is set between the limited block and self-locking cylinder.
Optionally, the limited block is fixedly connected by screw with the microscope carrier.
Optionally, the supporting element is fixedly connected by screw with the microscope carrier.
Optionally, the quantity of the supporting element is two, is respectively correspondingly arranged in the both ends of the microscope carrier.
Optionally, the supporting element includes the first plate body being oppositely arranged and the second plate body and the third plate that is oppositely arranged Body and the 4th plate body, first plate body are parallel to each other with the second plate body, and the both ends of the third plate body are respectively with described first Opposite one end of plate body and the second plate body be connected, the both ends of the 4th plate body respectively with first plate body and the second plate body Opposite other end be connected;
Wherein, first plate body is fixedly connected with the microscope carrier.
Optionally, the supporting element is in isosceles trapezoid shape, and first plate body and second plate body are respectively isosceles ladder The upper bottom and bottom of shape, the third plate body and the 4th plate body are respectively two waists of isosceles trapezoid.
The utility model has the beneficial effects that the clamping fixture of the utility model using limited block and self-locking cylinder to workpiece into Row clamp, due to self-locking cylinder have self-locking function, it can be achieved that after dying chucking power holding, avoid gas source unstable to clamping Power impacts, and guarantees that workpiece does not loosen in process.
Further, the clamping fixture of the utility model can also adsorb workpiece using vacuum breathing apparatus, from And be limited after block is clamped with self-locking cylinder in workpiece and guarantee that the position of workpiece is securely constant, so that workpiece is precisely machined, Improve production yield.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to the scope of the utility model as.
Fig. 1 is the stereoscopic schematic diagram of one embodiment of the clamping fixture of the utility model.
Main element symbol description:
10- microscope carrier;
11- through-hole;
20- supporting element;
The first plate body of 21-;
The second plate body of 22-;
221- aperture;
23- third plate body;
The 4th plate body of 24-;
30- limited block;
40- self-locking cylinder;
41- pressing plate;
50- workpiece;
The first side 51-;
The second side 52-;
53- third side;
The 4th side 54-;
60- vacuum breathing apparatus;
70- screw.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities Apply example.
The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different It sets to arrange and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to below The range of claimed invention is limited, but is merely representative of the selected embodiment of the utility model.It is practical based on this Novel embodiment, those skilled in the art's every other implementation obtained without making creative work Example, fall within the protection scope of the utility model.
It hereinafter, can the term " includes " used in the various embodiments of the utility model, " having " and its homologous Word is meant only to indicate special characteristic, number, step, operation, the combination of element, component or aforementioned item, and is understood not to The combined presence or increasing of one or more other features, number, step, operation, element, component or aforementioned item is excluded first A possibility that adding the combination of one or more features, number, step, operation, element, component or aforementioned item.
In the various embodiments of the utility model, statement " A or/and B " includes any combination of the text listed file names with Or all combinations, it may include A, may include B or may include A and B both.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", " transverse direction ", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as referring to Show or imply relative importance.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection, the connection being also possible to inside two elements can be It is connected directly, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can be according to specific Situation understands the concrete meaning of above-mentioned term.Unless otherwise defined, otherwise all terms used herein (including technical term With scientific term) with identical as the various normally understood meanings of embodiment one skilled in the art of the utility model Meaning.The term (term such as limited in the dictionary generally used) is to be interpreted as having and lead in the relevant technologies The identical meaning of situational meaning in domain and it will be interpreted as having Utopian meaning or meaning too formal, unless It is clearly defined in the various embodiments of the utility model.
Referring to Fig. 1, the utility model provides a kind of clamping fixture, comprising: microscope carrier 10, set on 10 lower section of the microscope carrier Supporting element 20, the position-limiting unit above the microscope carrier 10, the position-limiting unit include the limited block 30 being oppositely arranged and oneself Lock cylinder 40, the limited block 30 are fixedly connected with the microscope carrier 10.
Specifically, the self-locking cylinder 40 has pressing plate 41 that can be mobile relative to the limited block 30.
Self-locking cylinder 40 is the cylinder with locking device, and the self-locking cylinder 40 is divided into end of travel by locked position and locks Tight type cylinder and any position lock type cylinder.
The working principle of the end of travel lock type cylinder are as follows: after piston motion to end of travel, air pressure release, lock Fixed piston is inserted under spring force in the card slot of piston rod, and piston rod is locked.When gas supply pressurization, lock piston is retracted It exits card slot and unlocks, piston rod can move.
It is a variety of that any position lock type cylinder by locking mode can be divided into cutting ferrule conical surface type, spring and centering type etc. Form.
The cutting ferrule conical surface type locking device is made of taper brake piston, brake scotch, brake arm and tripping spring etc., institute State the working principle of cutting ferrule conical surface type locking device are as follows: spring force on taper brake piston due to wedge effect and be amplified, Amplified again by lever principle, the active force of this amplification acts on brake scotch, piston rod locking, needs to discharge to work When the locking of plug, compressed air is supplied to air supply opening, locking spring power is removed.
Due to self-locking cylinder 40 structure there are many, and the structure of self-locking cylinder 40 is the prior art, therefore the application The structure of self-locking cylinder 40 is not described in detail and is limited.
The utility model carries out side using 40 pairs of clamping workpiece 50 of self-locking cylinder and pushes away, and has both guaranteed that workpiece 50 is indeformable, has also protected Workpiece 50 does not loosen in card process.Due to self-locking cylinder 40 have self-locking function, it can be achieved that after dying chucking power holding, Avoid gas source is unstable from impacting to chucking power.In addition, the size of self-locking cylinder 40 is smaller, compact-sized, installation space is small.
Optionally, the clamping fixture of the utility model is described rectangular for clamping to rectangular workpiece 50 Workpiece 50 have be parallel to each other first at 51 and second 52 and the third that is parallel to each other at 53 and the 4th 54, wherein Described first at 51 and second 52 extend perpendicularly to the third at 53 and the 4th 54 extending direction;
The clamping fixture includes the first position-limiting unit and the second position-limiting unit, and first position-limiting unit includes being set to institute State the self-locking cylinder 40 of the first limited block 30 on the outside of 51 with 52 outsides when being set to described second;The second position-limiting unit packet Include the limited block 30 and the self-locking cylinder 40 in 54 outsides when being set to the described 4th for being set to the third in 53 outsides.
Optionally, described first at 51 and second 52 length be greater than the third at 53 and the 4th 54 length;
In first position-limiting unit, the quantity of the limited block 30 is two, is respectively correspondingly arranged in first side 51 Both ends, the quantity of the self-locking cylinder 40 is two, is respectively correspondingly arranged in the both ends on second side 52;
In second position-limiting unit, the quantity of the limited block 30 is one, is correspondingly arranged in the third side 53 Centre, the quantity of the self-locking cylinder 40 are one, are correspondingly arranged at the center on the 4th side 54.
Optionally, the clamping fixture of the utility model further includes the vacuum breathing apparatus 60 on the microscope carrier 10, institute Vacuum breathing apparatus 60 is stated to be set between the limited block 30 and self-locking cylinder 40.
After the self-locking cylinder 40 clamps workpiece 50 with limited block 30, the vacuum breathing apparatus 60 is then to workpiece 50 carry out vacuum suction, guarantee that position of the workpiece 50 on microscope carrier 10 immobilizes, so that workpiece 50 is accurately processed, mention High production yield.
Optionally, the limited block 30 is fixedly connected by screw 70 with the microscope carrier 10.
Optionally, the supporting element 20 is fixedly connected by screw 70 with the microscope carrier 10.
Optionally, the quantity of the supporting element 20 is two, is respectively correspondingly arranged in the both ends of the microscope carrier 10.
Optionally, the supporting element 20 includes the first plate body 21 being oppositely arranged and the second plate body 22 and is oppositely arranged Third plate body 23 and the 4th plate body 24, first plate body 21 are parallel to each other with the second plate body 22, and the two of the third plate body 23 End be connected respectively with opposite one end of first plate body 21 and the second plate body 22, the both ends of the 4th plate body 24 respectively with First plate body 21 is connected with the opposite other end of the second plate body 22;
Wherein, first plate body 21 is fixedly connected with the microscope carrier 10.
Optionally, first plate body 21 is fixedly connected by 2 screws 70 with the microscope carrier 10,2 screws 70 It is located at the both ends of first plate body 21.
Specifically, the microscope carrier 10, which is equipped with, respectively corresponds 2 through-holes 11 at 21 both ends of the first plate body, described first Plate body 21 is equipped with 2 grooves (not shown) corresponding with 2 through-holes 11 respectively, and the inner surface of the groove is equipped with interior spiral shell Line, the screw 70 pass through the through-hole 11 and enter in the groove, are threadedly coupled with groove realization.
Optionally, the supporting element 20 is in isosceles trapezoid shape, and first plate body 21 is respectively with second plate body 22 The upper bottom and bottom of isosceles trapezoid, two waists of the third plate body 23 and the 4th plate body 24 respectively isosceles trapezoid.
Optionally, second plate body 22 is equipped with the aperture 221 through its upper and lower surface, and the aperture 221 makes bolt It passes through, realizes being fixedly connected for the supporting element 20 and other structures, and then realize the utility model clamping fixture and other knots Structure is fixedly connected.
Optionally, the limited block 30 is in a rectangular parallelepiped shape.
Optionally, the material of the limited block 30 is metal, such as stainless steel.
Optionally, the material of the microscope carrier 10 is metal, such as stainless steel.
Optionally, the material of the supporting element 20 is metal, such as stainless steel.
Optionally, the screw 70 is cruciform slot screw, and the material of the cruciform slot screw has iron and two kinds of stainless steel.
In conclusion the clamping fixture of the utility model presss from both sides workpiece 50 with self-locking cylinder 40 using limited block 30 Tightly, due to self-locking cylinder 40 have self-locking function, it can be achieved that after dying chucking power holding, avoid gas source unstable to chucking power It impacts, guarantees that workpiece 50 does not loosen in process.
Further, the clamping fixture of the utility model can also inhale workpiece 50 using vacuum breathing apparatus 60 It is attached, guarantee that the position of workpiece 50 is securely constant to be limited after block 30 is clamped with self-locking cylinder 40 in workpiece 50, makes workpiece 50 It can be precisely machined, improve production yield.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or Process is not necessarily implemented necessary to the utility model.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into Row is distributed in the device of implement scene, can also be carried out corresponding change and is located at the one or more dresses for being different from this implement scene In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
The foregoing is merely the preferable implementation examples of the utility model, are not intended to limit the utility model, it is all Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on Within the protection scope of type.

Claims (10)

1. a kind of clamping fixture characterized by comprising microscope carrier, is set to the microscope carrier at the supporting element below the microscope carrier The position-limiting unit of top, the position-limiting unit include the limited block and self-locking cylinder being oppositely arranged, the limited block and the load Platform is fixedly connected.
2. clamping fixture as described in claim 1, which is characterized in that for being clamped to rectangular workpiece, the length Rectangular workpiece has be parallel to each other first while with second and the third that is parallel to each other is while with the 4th, wherein described First extends perpendicularly to extending direction of third while with the 4th while with second;
The clamping fixture includes the first position-limiting unit and the second position-limiting unit, and first position-limiting unit includes set on described the The limited block in outside and the self-locking cylinder being set on the outside of second side on one side;Second position-limiting unit includes being set to described the Three limited blocks on the outside of be set to the described 4th while on the outside of self-locking cylinder.
3. clamping fixture as claimed in claim 2, which is characterized in that the described first length while with second is greater than described the Three length while with the 4th;
In first position-limiting unit, the quantity of the limited block is two, is respectively correspondingly arranged in the both ends on first side, institute The quantity for stating self-locking cylinder is two, is respectively correspondingly arranged in the both ends on second side.
4. clamping fixture as claimed in claim 3, which is characterized in that in second position-limiting unit, the number of the limited block Amount is one, is correspondingly arranged at the center on the third side, and the quantity of the self-locking cylinder is one, is correspondingly arranged at the 4th side Center.
5. clamping fixture as described in claim 1, which is characterized in that further include the vacuum suction dress on the microscope carrier It sets, the vacuum breathing apparatus is set between the limited block and self-locking cylinder.
6. clamping fixture as described in claim 1, which is characterized in that the limited block connects by the way that screw and the microscope carrier are fixed It connects.
7. clamping fixture as described in claim 1, which is characterized in that the supporting element connects by the way that screw and the microscope carrier are fixed It connects.
8. clamping fixture as described in claim 1, which is characterized in that the quantity of the supporting element is two, respectively corresponds and sets In the both ends of the microscope carrier.
9. clamping fixture as described in claim 1, which is characterized in that the supporting element include the first plate body for being oppositely arranged with Second plate body and the third plate body and the 4th plate body being oppositely arranged, first plate body is parallel to each other with the second plate body, described The both ends of third plate body are connected with opposite one end of first plate body and the second plate body respectively, the both ends of the 4th plate body It is connected respectively with the opposite other end of first plate body and the second plate body;
Wherein, first plate body is fixedly connected with the microscope carrier.
10. clamping fixture as claimed in claim 9, which is characterized in that the supporting element is in isosceles trapezoid shape, first plate Body and second plate body are respectively the upper bottom and bottom of isosceles trapezoid, and the third plate body and the 4th plate body are respectively etc. Two trapezoidal waists of waist.
CN201821151354.6U 2018-07-19 2018-07-19 Clamping fixture Active CN208451151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821151354.6U CN208451151U (en) 2018-07-19 2018-07-19 Clamping fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821151354.6U CN208451151U (en) 2018-07-19 2018-07-19 Clamping fixture

Publications (1)

Publication Number Publication Date
CN208451151U true CN208451151U (en) 2019-02-01

Family

ID=65180374

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821151354.6U Active CN208451151U (en) 2018-07-19 2018-07-19 Clamping fixture

Country Status (1)

Country Link
CN (1) CN208451151U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112338822A (en) * 2019-08-07 2021-02-09 鸿富锦精密电子(成都)有限公司 Jig positioning device
CN114273933A (en) * 2022-01-13 2022-04-05 东莞市固达机械制造有限公司 A machine tool for one-time positioning and all-round machining
CN115519492A (en) * 2022-09-30 2022-12-27 歌尔科技有限公司 Positioning Fixtures and Production Lines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112338822A (en) * 2019-08-07 2021-02-09 鸿富锦精密电子(成都)有限公司 Jig positioning device
CN114273933A (en) * 2022-01-13 2022-04-05 东莞市固达机械制造有限公司 A machine tool for one-time positioning and all-round machining
CN115519492A (en) * 2022-09-30 2022-12-27 歌尔科技有限公司 Positioning Fixtures and Production Lines

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TR01 Transfer of patent right

Effective date of registration: 20240103

Address after: 227 Xiangtai road Taizhou Jiangsu 225300

Patentee after: Lansi precision (Taizhou) Co.,Ltd.

Address before: 523000, No. 312 Tangqing East Road, Hengtang Community, Tangxia Town, Dongguan City, Guangdong Province

Patentee before: LENS PRECISION (DONGGUAN) Co.,Ltd.

TR01 Transfer of patent right