CN208005199U - High-precision dovetail fixing device based on destressing - Google Patents
High-precision dovetail fixing device based on destressing Download PDFInfo
- Publication number
- CN208005199U CN208005199U CN201820079121.3U CN201820079121U CN208005199U CN 208005199 U CN208005199 U CN 208005199U CN 201820079121 U CN201820079121 U CN 201820079121U CN 208005199 U CN208005199 U CN 208005199U
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- CN
- China
- Prior art keywords
- ontology
- destressing
- fixing device
- pressing plate
- angled trapezium
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses the high-precision dovetail fixing device based on destressing, plank class part for high precision machining is processed, including ontology, the right-angled trapezium slot for limiting workpiece and opening is small, bottom is big is formed in the first end face of ontology, angle dovetail groove extends to the other end from one end of ontology, the second end face of ontology offers the partly overlapping square breach of right angle side of one and angle dovetail groove, rotatably arranged with there is pressing plate at square breach, under normality, the triangle press section at the top of pressing plate is maintained at by supporting mechanism outside the overlay area of right-angled trapezium slot；Under locking state, triangle press section is by driving mechanism all or partially into the overlay area of right-angled trapezium slot.The utility model deft design, internal stress is small for clamping of generating during use, to reduce the possibility of deformation of products, convenient for carrying out the processing of the processing point on multiple shaped faces and the processing of the high shaped position tolerance of progress during once clamping.
Description
Technical field
The utility model is related to precise machining equipment fields, are based especially on the high-precision dovetail fixing device of destressing.
Background technology
High precision plates type component processing for fields such as automobile, medical treatment, electronics, and traditional clamping method, are selected
Vice, flat-nose pliers etc. are gripped, and when the processing of traditional fixture, it is also easy to produce clamping internal stress, parts is caused to press from both sides
Hold, process and be also easy to produce during removal from fixture after the completion deformation.
And since conventional vice, flat-nose pliers volume are larger, the prodigious region of clamping parts is generally required, is held at this time
Position to be processed is easily blocked, is also not easy to carry out the process operation of high shaped position tolerance.
Due to the particularity of parts, such as multiple faces of parts are all irregular faces, are difficult to meet by one
Secondary clamping is processed the position of multiple Special-Shaped Surfaces of parts.
Utility model content
The purpose of this utility model is exactly to be provided based on destressing to solve the above-mentioned problems in the prior art
High-precision dovetail fixing device.
The purpose of this utility model is achieved through the following technical solutions：
High-precision dovetail fixing device based on destressing, including ontology are formed in the first end face of the ontology useful
In limit workpiece and the right-angled trapezium slot small, bottom is big that is open, the angle dovetail groove extends to another from one end of the ontology
End, the second end face of the ontology offer the partly overlapping square breach of right angle side of one and the angle dovetail groove, the side
Rotatably arranged with there is pressing plate at v notch v,
Under normality, the triangle press section at the top of the pressing plate is maintained at the covering of the right-angled trapezium slot by supporting mechanism
Outside region；
Under locking state, the triangle press section passes through driving mechanism whole or covering partially into the right-angled trapezium slot
In cover area.
Preferably, the high-precision dovetail fixing device based on destressing, wherein：It is provided with and blocks on the ontology
The baffle of the right-angled trapezium slot one end open.
Preferably, the high-precision dovetail fixing device based on destressing, wherein：The bottom of the right-angled trapezium slot
Offer a pair of the first counterbore for connecting other component.
Preferably, the high-precision dovetail fixing device based on destressing, wherein：The bottom of the pressing plate is circular arc
Shape and offer pivot attachment apertures, towards the end face of the square breach by obtuse angle the first inclined-plane and the second scarf
At second inclined-plane is the inclined-plane that the triangle press section is contacted with workpiece.
Preferably, the high-precision dovetail fixing device based on destressing, wherein：The driving mechanism includes described
The aperture inner wall that square breach bottom opens up has threaded second counterbore, opening up with second counterbore on the pressing plate
The waist-shaped hole matched and through the waist-shaped hole and it is screwed to the bolt of second counterbore.
Preferably, the high-precision dovetail fixing device based on destressing, wherein：The supporting mechanism includes one end
It is arranged on the step surface of second counterbore, the other end is arranged in the pressing plate towards the bullet on the end face of the square breach
Spring.
The advantages of technical solutions of the utility model, is mainly reflected in：
The utility model deft design, it is simple in structure, by the way that rotatable pressing plate is arranged and passes through supporting mechanism and drive
Motivation structure coordinates, and enables to the installation for being convenient for workpiece under normality, pressing plate can cooperatively form wedge with right-angled trapezium slot when locking
Clevis holds fixed structure, to realize the fixation of the corresponding dovetail of workpiece, substantially reduces the contact position of fixture and workpiece,
Consequently facilitating carrying out the processing of the processing point on multiple shaped faces during once clamping and carrying out high shaped position public affairs
The processing of difference.
Simultaneously the inclined-plane of right-angled trapezium slot and triangle press section generates clamping force obliquely to workpiece, due to obliquely
Power is decomposed into clamping force downwardly and inwardly, and the mode of face contact easily makes uniform force, generation to clamp internal stress small,
To reduce the possibility of deformation of products, and can also pressing plate be adjusted by the bolt of driving mechanism according to actual needs
Elasticity controls the size of the pressure of pressing, and adjustability is good.
Further combined with baffle, the location consistency that workpiece is installed every time can effectively ensure that, to be conducive to improve production
Quality ensures the consistency of product.
Meanwhile the connecting hole for connecting other equipment being arranged in right-angled trapezium slot, be conducive to simplify structure, improve integrated
Degree, while counter bore structure is used, it can effectively avoid the high-precision dovetail fixing device based on destressing from being connect with other equipment
When bolt head protrude from the influence that workpiece is installed in the bottom surface of right-angled trapezium slot.
Waist-shaped hole structure on pressing plate is convenient for, when bolt driving pressing plate is rotated, having sufficient freedom of movement.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Specific implementation mode
The purpose of this utility model, advantage and feature will carry out figure by the non-limitative illustration of preferred embodiment below
Show and explains.These embodiments are only the prominent examples using technical solutions of the utility model, all to take equivalent replacement or wait
Effect transformation and formed technical solution, all fall within the requires of the utility model protection within the scope of.
In the description of scheme, it should be noted that term "center", "upper", "lower", "left", "right", "front", "rear",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Signified device or element must have specific side when being merely for convenience of describing and simplifying description, rather than indicating or imply
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " is used for description purposes only, and is not understood to indicate or imply relative importance.
The high-precision dovetail fixing device based on destressing of the utility model is illustrated below in conjunction with the accompanying drawings, it is such as attached
Shown in Fig. 1, including ontology 1, it is formed with that workpiece and opening be small, bottom is big for limiting in the first end face 11 of the ontology 1
Right-angled trapezium slot 2, the angle dovetail groove 2 extends to the other end from one end of the ontology 1, and is additionally provided on the ontology 1
The baffle 5 of 2 one end open of right-angled trapezium slot is blocked, the baffle 5 is detachably connected to the ontology 1 by bolt
On side wall.
As shown in Fig. 1, one and institute are offered in the second end face 12 vertical with the first end face 11 of the ontology 1
State the partly overlapping square breach 3 of right angle side of angle dovetail groove 2, rotatably arranged with there is pressing plate 4 at the square breach 3,
Under normality, the triangle press section 41 at 4 top of the pressing plate is maintained at the right-angled trapezium slot 2 by supporting mechanism
Outside overlay area；
Under locking state, the triangle press section 41 is by driving mechanism all or partially into the right-angled trapezium slot 2
Overlay area in.
Specifically, as shown in Fig. 1, the bottom of the pressing plate 4 is arc-shaped and offers pivot attachment apertures 42, around
One is set to the ontology 1 and the shaft through the pivot attachment apertures 42（It is not shown in figure）It is rotated, 4 court of the pressing plate
To the end face of the square breach 3 by obtuse angle the first inclined-plane 43 and the second inclined-plane 44 formed, second inclined-plane 44 is institute
It states inclined-plane that triangle press section 41 is contacted with workpiece and the triangle press section 41 is rendered as protruding from first inclined-plane 43
State.
Also, the driving mechanism includes that the aperture inner wall tool threaded second that opens up of 3 bottom of the square breach is heavy
Opened up on hole 7, the pressing plate 4 with second counterbore, 7 matched waist-shaped hole 8 and through the waist-shaped hole 8 and be screwed to
The bolt of second counterbore 7（It is not shown in figure）.
Meanwhile the supporting mechanism includes that one end is arranged on the step surface of second counterbore 7, the other end is arranged in institute
Pressing plate 4 is stated towards the spring on the end face of the square breach（It is not shown in figure）.
When work, under normality, since the triangle press section of the pressing plate is not in the overlay area of right-angled trapezium slot 2, because
The dovetail part of workpiece can be easily plugged into the right-angled trapezium slot 2 by this, and when dovetail part abuts to the baffle 5
It realizes that position is unified, at this point, being moved to 7 direction of the second counterbore by bolt, pushes the pressing plate to the square breach 3
Bottom movement, and the second inclined-plane 44 of the triangle press section is bonded with the inclined-plane of the dovetail part of workpiece and applies pressure,
To be fixed.
When after processing is completed, the bolt direction movement, the pressing plate 4 is multiple under the reaction force of the spring at this time
Position, can carry out clamping for workpiece again.
Further, the bottom of the right-angled trapezium slot 2 offers a pair of the first counterbore 6 for connecting other component, leads to
Crossing counterbore 6 described in bolt-through can be assembled into the high-precision dovetail fixing device based on destressing on corresponding process equipment,
As shown in Fig. 1, the high-precision dovetail fixing device based on destressing is mounted on the turntable 10 for driving its rotation.
Still there are many embodiment, all technologies formed using equivalents or equivalent transformation for the utility model
Scheme is all fallen within the scope of protection of the utility model.
Claims (6)
1. the high-precision dovetail fixing device based on destressing, it is characterised in that：Including ontology（1）, the ontology（1）First
End face（11）On be formed with that workpiece and opening be small, right-angled trapezium slot that bottom is big for limiting（2）, the angle dovetail groove（2）From
The ontology（1）One end extend to the other end, the ontology（1）Second end face（12）Offer one and the angle dovetail groove
（2）The partly overlapping square breach of right angle side（3）, the square breach（3）Place is rotatably arranged with there is pressing plate（4）,
Under normality, the pressing plate（4）The triangle press section at top（41）It is maintained at the right-angled trapezium slot by supporting mechanism（2）
Overlay area outside；
Under locking state, the triangle press section（41）By driving mechanism all or partially into the right-angled trapezium slot（2）
Overlay area in.
2. the high-precision dovetail fixing device according to claim 1 based on destressing, it is characterised in that：The ontology
（1）On be provided with and block the right-angled trapezium slot（2）The baffle of one end open（5）.
3. the high-precision dovetail fixing device according to claim 1 based on destressing, it is characterised in that：The right angle ladder
Shape slot（2）Bottom offer a pair of the first counterbore for connecting other component（6）.
4. the high-precision dovetail fixing device according to claim 1 based on destressing, it is characterised in that：The pressing plate
（4）Bottom be arc-shaped and to offer pivot attachment apertures（42）, towards the square breach（3）End face by obtuse angle
First inclined-plane（43）With the second inclined-plane（44）It is formed, second inclined-plane（44）It is oblique to be that the triangle press section is contacted with workpiece
Face.
5. the high-precision dovetail fixing device according to claim 1 based on destressing, it is characterised in that：The driving machine
Structure includes the square breach（3）The aperture inner wall that bottom opens up has threaded second counterbore（7）, the pressing plate（4）On open
If with second counterbore（7）Matched waist-shaped hole（8）And run through the waist-shaped hole（8）And it is screwed to second counterbore
（7）Bolt.
6. the high-precision dovetail fixing device according to claim 5 based on destressing, it is characterised in that：The support machine
Structure includes that one end is arranged in second counterbore（7）Step surface on, the other end be arranged in the pressing plate（4）Towards described rectangular
Spring on the end face of notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820079121.3U CN208005199U (en) | 2018-01-17 | 2018-01-17 | High-precision dovetail fixing device based on destressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820079121.3U CN208005199U (en) | 2018-01-17 | 2018-01-17 | High-precision dovetail fixing device based on destressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208005199U true CN208005199U (en) | 2018-10-26 |
Family
ID=63883904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820079121.3U Expired - Fee Related CN208005199U (en) | 2018-01-17 | 2018-01-17 | High-precision dovetail fixing device based on destressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208005199U (en) |
-
2018
- 2018-01-17 CN CN201820079121.3U patent/CN208005199U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20200117 |