CN208773060U - A kind of long tube self-centering clamping jig - Google Patents
A kind of long tube self-centering clamping jig Download PDFInfo
- Publication number
- CN208773060U CN208773060U CN201821554829.6U CN201821554829U CN208773060U CN 208773060 U CN208773060 U CN 208773060U CN 201821554829 U CN201821554829 U CN 201821554829U CN 208773060 U CN208773060 U CN 208773060U
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- self
- centering
- long tube
- clamping jig
- angular
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Abstract
The utility model relates to a kind of long tube self-centering clamping jigs, it includes bridge plate；The front side of the bridge plate and rear side are each provided with self-centering hold-fast body, frame block, the angular dynamic compressor structure of the angular stationary. platen in left side and right side；The angular dynamic compressor structure in right side includes bending top plate, vertical supporting rod, hydraulic mandril；The self-centering hold-fast body includes self-centering seat, self-centering holding block, pull rod, mutual two L shape swing arms and circlip pin in mirror image；By moving up and down for pull rod, two L shape swing arms drive two self-centering holding blocks opposite or move towards respectively using respective circlip pin as shaft swing.A kind of long tube self-centering clamping jig of the utility model, it can accurately position the axle center of long tube automatically, guarantee the wall thickness consistency and concentricity of two end pipe product, clamped one time can the processing of 3 faces, multiple manufacturing procedures are completed, the accumulated error during multiple clamping is eliminated.
Description
Technical field
The utility model relates to long tube manufacture fields, more particularly to a kind of long tube self-centering clamping jig.
Background technique
For long tube 3 shown in fig. 5, the forward position in one side is provided with lug boss 19, this long tube is to pass through stretching
Molding, in process of production, the outer diameter size of every batch of product now needs to process it there are difference, but since outer diameter is big
Small there are difference, so that fixture clamps disunity, and needs a point sequence subset processing, clamping times are more, lead to accumulated error
Greatly, so that processing precision of products is poor, low efficiency.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of long tube self-centering clamping jig, it can automatically precisely
Positioning long tube axle center, guarantee two end pipe product wall thickness consistency and concentricity, clamped one time can three surface processing, complete
Multiple manufacturing procedures eliminate the accumulated error during multiple clamping.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of long tube self-centering clamping jig, it
Including bridge plate；The front side of the bridge plate and rear side are each provided with self-centering hold-fast body；It is also set on the self-centering hold-fast body
It is equipped with frame block；The angular stationary. platen in left side and the angular dynamic compressor structure in right side are additionally provided on the bridge plate；The angular dynamic pressure in right side
Mechanism includes bending top plate；The bending top plate is in Z-shaped, and left end and the angular stationary. platen in left side of top transverse part are matched
It closes, for clamping product, bending place on the lower and the top for the vertical supporting rod that bridge plate is arranged in are hinged, transverse part on the lower
Middle position immediately below be provided with hydraulic mandril；The self-centering hold-fast body includes self-centering seat, is arranged self-centering
The self-centering holding block being slidably matched at left and right sides of the top of seat and with self-centering seat；The inside of the self-centering seat also sets up drawing
Bar and mutual two L shape swing arms in mirror image；One end of L shape swing arm is embedded in the slot of the corresponding self-centering bottom for holding block tightly,
The other end is embedded in the slot in the corresponding side of pull rod by top；The bending place of L shape swing arm is hinged on self-centering by circlip pin
On seat；By moving up and down for pull rod, two L shape swing arms drive two respectively using respective circlip pin as shaft swing
Self-centering holding block is opposite or moves towards.
The corresponding side of two self-centering holding blocks is each provided with interior concaved circular cambered surface, two self-centering indents for holding block tightly
Arc surface cooperates for holding long tube tightly.
The right end of the angular stationary. platen in left side is provided with spring thimble；The left side of its lug boss for withstanding on long tube.
The left end of the top transverse part of the bending top plate withstands on the right side of the lug boss of long tube.
Spring top pillar is provided with below the right end of the transverse part on the lower of the bending top plate；Bend top plate with spring
It is provided with above top pillar corresponding position by press button；It is described that press button is provided with upper limit.
Positioning lever is additionally provided on front side of self-centering hold-fast body on front side of the bridge plate.
The bottom of the pull rod is connected with oil hydraulic cylinder.
The utility model has the beneficial effects that a kind of long tube self-centering clamping jig of the utility model, it can automatically accurately
Position long tube axle center, guarantee two end pipe product wall thickness consistency and concentricity, clamped one time can three surface processing, complete it is more
A manufacturing procedure eliminates the accumulated error during multiple clamping.
Detailed description of the invention
Fig. 1 is a kind of stereoscopic schematic diagram of long tube self-centering clamping jig of embodiment；
Fig. 2 is a kind of schematic diagram of the vertical view of long tube self-centering clamping jig of embodiment；
Fig. 3 is a kind of angular dynamic compressor structure of the angular stationary. platen in left side and right side of long tube self-centering clamping jig of embodiment
Schematic diagram；
Fig. 4 is the schematic diagram of the A-A section of Fig. 2；
Fig. 5 is the schematic diagram of long tube.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples
Detailed description, the embodiment are only used for explaining the utility model, do not constitute and limit to the protection scope of the utility model.
Embodiment
As shown in Figures 1 to 4, a kind of long tube self-centering clamping jig is present embodiments provided, it includes bridge plate 1；It is described
The front side of bridge plate 1 and rear side are each provided with self-centering hold-fast body 2；Frame block 4 is additionally provided on the self-centering hold-fast body 2；
The angular stationary. platen 6 in left side and the angular dynamic compressor structure 7 in right side are additionally provided on the bridge plate 1；The angular dynamic compressor structure 7 in right side wraps
Include bending top plate 9；The bending top plate 9 is in Z-shaped, and the angular stationary. platen 6 in left end and left side of top transverse part cooperates, uses
In clamping product, bending place on the lower and the top for the vertical supporting rod 10 that bridge plate 1 is arranged in are hinged, transverse part on the lower
Hydraulic mandril 11 is provided with immediately below middle position；The self-centering hold-fast body 2 includes self-centering seat 17, and setting is being made by oneself
The self-centering holding block 14 being slidably matched at left and right sides of the top of heart seat 17 and with self-centering seat 17；The self-centering seat 17 it is interior
Portion also sets up pull rod 13 and is mutually in two L shape swing arms 15 of mirror image；One end of L shape swing arm 15 is embedded in corresponding self-centering holding
In the slot of the bottom of block 14, the other end is embedded in the slot in the corresponding side of pull rod 13 by top；The bending place of L shape swing arm 15 is logical
Circlip pin 16 is crossed to be hinged on self-centering seat 17；By moving up and down for pull rod 13, two L shape swing arms 15 are respectively with respective card
Spring pin 16 is shaft swing, and then drives two self-centering holding blocks 14 opposite or move towards；Two self-centering holding blocks 14
Corresponding side is each provided with interior concaved circular cambered surface, and two self-centering interior concaved circular cambered surfaces for holding block 14 tightly cooperate for holding long tube tightly
3；The right end of the angular stationary. platen 6 in left side is provided with spring thimble；The left side of its lug boss 19 for withstanding on long tube 3；It is described curved
The left end of the top transverse part of folding top plate 9 withstands on the right side of the lug boss 19 of long tube 3；The cross on the lower of the bending top plate 9
Spring top pillar 12 is provided with below to the right end in portion；Bending top plate 9 with 12 corresponding position of spring top pillar above be provided with
By press button 8；It is described that press button 8 is provided with upper limit；The front side of the self-centering hold-fast body 2 of 1 front side of bridge plate is additionally provided with
Position lever 5；The bottom of the pull rod 13 is connected with oil hydraulic cylinder 18.
A kind of long tube self-centering clamping jig of the present embodiment, product are first pre-positioned before clamping, by the front tube of long tube 3
Mouth is against on positioning lever, is then placed in former and later two self-centering hold-fast bodies, is supported by frame block, the lug boss of long tube
19 left side is against on the spring thimble of the angular stationary. platen in left side, then, is lifted manually by press button 8, is bent top plate 9 on spring top
The right side of the lug boss 19 of long tube is pressed under the action of column 12 in advance, makes fixture and long tube Elastic Contact；Then, fixture starts to supply
Oil bends top plate 9 under the action of hydraulic mandril 11, and with the angular stationary. platen dieback long tube in left side, then, self-centering clamping is held tightly
The pull rod of mechanism 2 moves down, and drives the swing of L shape swing arm, and then self-centering holding block 14 is driven to move towards, final to hold tightly
Long tube；Long tube key dimension part can be processed at this time, then, positioning lever moves down, and withdraws axially position, reprocessing pipe
Mouthful.
A kind of long tube self-centering clamping jig of the present embodiment can be unified for the same size long tube of different batches
Self-centering, when guaranteeing processing, the axial line for having this to be permitted the same model long tube of scale error is consistent, and then guarantees both ends nozzle
Wall thickness consistency and concentricity；And when being directed to the long tube of different size model numbers, it can be by the self-centering clamping for holding block tightly
Partial outer diameter does corresponding change, and the purpose that a sleeve clamp processes multiple like parts can be realized.
A kind of long tube self-centering clamping jig of the present embodiment can accurately position the axle center of long tube automatically, guarantee both ends
The wall thickness consistency and concentricity of Guan Pin, clamped one time can three surface processing, complete multiple manufacturing procedures, eliminate multiple dress
Accumulated error in clip process；Positioning lever is set as to withdraw, and long tube is in processing key dimension part and then withdraws positioning
Lever, processing tube orifice.
Above-described embodiment should not in any way limit the utility model, all by the way of equivalent replacement or equivalency transform
The technical solution of acquisition is all fallen in the protection scope of the utility model.
Claims (7)
1. a kind of long tube self-centering clamping jig, it is characterised in that: it includes bridge plate；The front side of the bridge plate and rear side are respectively arranged
There is self-centering hold-fast body；Frame block is additionally provided on the self-centering hold-fast body；It is angular that left side is additionally provided on the bridge plate
The angular dynamic compressor structure of stationary. platen and right side；The angular dynamic compressor structure in right side includes bending top plate；The bending top plate is in Z-shaped
The angular stationary. platen in left end and left side of type, top transverse part cooperates, for clamping product, bending place and setting on the lower
It is hinged on the top of the vertical supporting rod of bridge plate, hydraulic mandril is provided with immediately below the middle position of transverse part on the lower；Institute
Stating self-centering hold-fast body includes self-centering seat, is arranged at left and right sides of the top of self-centering seat and is slidably matched with self-centering seat
Self-centering holding block；The inside of the self-centering seat also sets up pull rod and is mutually in two L shape swing arms of mirror image；L shape swing arm
One end is embedded in the slot of the corresponding self-centering bottom for holding block tightly, and the other end, which is embedded, leans on the slot on top in the corresponding side of pull rod
In；The bending place of L shape swing arm is hinged on self-centering seat by circlip pin；Pass through moving up and down for pull rod, two L shape swing arms point
Not using respective circlip pin as shaft swing, and then drives two self-centering holding blocks opposite or move towards.
2. a kind of long tube self-centering clamping jig according to claim 1, it is characterised in that: two self-centering holding block phases
Corresponding side is each provided with interior concaved circular cambered surface, and two self-centering interior concaved circular cambered surfaces for holding block tightly cooperate for holding long tube tightly.
3. a kind of long tube self-centering clamping jig according to claim 1, it is characterised in that: the angular stationary. platen in left side
Right end be provided with spring thimble；The left side of its lug boss for withstanding on long tube.
4. a kind of long tube self-centering clamping jig according to claim 1, it is characterised in that: described to bend the top of top plate
Transverse part left end withstand on long tube lug boss right side.
5. a kind of long tube self-centering clamping jig according to claim 1, it is characterised in that: the bending top plate is on the lower
Transverse part right end below be provided with spring top pillar；Bending top plate with spring top pillar corresponding position above be provided with by
Press button；It is described that press button is provided with upper limit.
6. a kind of long tube self-centering clamping jig according to claim 1, it is characterised in that: making by oneself on front side of the bridge plate
Positioning lever is additionally provided on front side of heart hold-fast body.
7. a kind of long tube self-centering clamping jig according to claim 1, it is characterised in that: the bottom of the pull rod connects
There is oil hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821554829.6U CN208773060U (en) | 2018-09-21 | 2018-09-21 | A kind of long tube self-centering clamping jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821554829.6U CN208773060U (en) | 2018-09-21 | 2018-09-21 | A kind of long tube self-centering clamping jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208773060U true CN208773060U (en) | 2019-04-23 |
Family
ID=66162239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821554829.6U Expired - Fee Related CN208773060U (en) | 2018-09-21 | 2018-09-21 | A kind of long tube self-centering clamping jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208773060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293420A (en) * | 2019-06-09 | 2019-10-01 | 浙江贝尔轨道装备有限公司 | A kind of horizontal self-centering apparatus and system for heart rail clamping |
-
2018
- 2018-09-21 CN CN201821554829.6U patent/CN208773060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293420A (en) * | 2019-06-09 | 2019-10-01 | 浙江贝尔轨道装备有限公司 | A kind of horizontal self-centering apparatus and system for heart rail clamping |
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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: 20190423 |