CN209190314U - A kind of shell thin wall component frock clamp - Google Patents
A kind of shell thin wall component frock clamp Download PDFInfo
- Publication number
- CN209190314U CN209190314U CN201821674722.5U CN201821674722U CN209190314U CN 209190314 U CN209190314 U CN 209190314U CN 201821674722 U CN201821674722 U CN 201821674722U CN 209190314 U CN209190314 U CN 209190314U
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- Prior art keywords
- cylinder
- lever
- bottom plate
- thin wall
- workpiece
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Abstract
The utility model relates to a kind of shell thin wall component frock clamps of field of machining, clamping device is set on bottom plate, clamping device is square column and lever cylinder, cylinder is in be vertically arranged, one end of cylinder axis upper end hinged lever, the fulcrum of lever connects cylinder wall, and the other end of lever is against square column；On being located at cornerwise two square columns, positioning pin is set；Portion in the soleplate, setting include the element floating support device of the cylinder being laterally arranged and the support rod being vertically arranged, support rod lower end connecting spring；The utility model uses the mating workpiece location hole of positioning pin, push down location hole, positioning pin and element floating support device in the lower surface of cooperation lever, X-axis, Y-axis and Z axis all without clamping force in the case where stabilize workpiece to be processed, the clamping force for solving the prior art is easy to cause shell thin wall component problem on deformation, improve workpiece processing quality, due to all being operated using pneumatic antomation, work pieces process efficiency is also improved, is killed two birds with one stone.
Description
Technical field
The present invention relates to mechanical equipment processing and manufacturing field, in particular to a kind of shell thin wall component frock clamps.
Background technique
The processing to shell thin wall component of the prior art is first pressed from both sides part using the frock clamp being arranged on lathe
Firmly, various forms of processing are carried out then.Traditional solution mostly use greatly clamping sides, it is beneath hold out against, compressing method above.
This scenario-frame is simple, but disadvantage is also very much, first is that clamping sides are easy to cause part deformation, because of shell thin wall
The characteristics of part is that shell is thin, light-weight, cannot withstand too big clamping sides power, beneath to hold out against, compress above, there is also classes
Like problem, second is that clamping sides, it is beneath hold out against, compress above, need to find suitable clamping point, hold out against point, compress point, it is certain
Part does not clamp suitably, holds out against, compresses point, causes that not clamping, top is not tight, does not press tightly, and causes in part process
Vibration is generated, machining accuracy is not achieved, will appear waste product when serious, third is that complicated for operation, large labor intensity is virtually increased
Processing cost.
In order to solve the processing problems of shell thin wall component, patent " side fixing type integrated module fixture ", notification number
CN201239888Y, the patent No. 2008201903941, proposes side fixing type integrated module fixture, on the pedestal of machine
Clamping device is installed, workpiece to be processed is in clamping device, and the surrounding of clamping device is that unit is consolidated in side, and side, which is consolidated in unit, to be set
There is side to consolidate screw rod and side solid pressure block, the side wall of workpiece is clamped between two side solid pressure blocks；It is additionally provided on the pedestal of machine
Pre-pressing screw rod, after pre-pressing screw rod passes through workpiece, the upper surface of workpiece pressing under the action of pre-pressing plate and nut；In addition
On the pedestal of machine, it is additionally provided with positioning pin, for withstanding the lower surface of workpiece；The work that above three aspect is done, although can
It is practical still to take existing technical solution to clamp workpiece, i.e., to the clamping sides of workpieces processing, beneath hold out against, above
Clamping plan, is not resolved the problem of being easy to cause part deformation always；In addition, being withstood under workpiece using positioning pin
Surface, if lower surface is casting plane and inclined irregular face, positioning pin is difficult to be in close contact with lower surface, because of positioning
Pin then such " beneath to hold out against " pushes up not tight without elasticity；Above furthermore in clamping plan, what is leaned on is that pre-pressing screw rod passes through
It after workpiece, is completed by the upper surface of pre-pressing plate and nut workpiece pressing, if workpiece medium position does not have hole to leave for
Pre-pressing screw rod passes through, then " compresses " scheme above and be unable to complete, it is seen that patent " side fixing type integrated module fixture " can not yet
It solves the problems, such as of the existing technology.
Summary of the invention
Of the existing technology in order to solve the problems, such as, the present invention provides a kind of shell thin wall component tooling being simple and efficient
Fixture.
The technical solution that the present invention uses is as follows:
A kind of shell thin wall component frock clamp comprising the clamping device being arranged on bottom plate and bottom plate, it is to be processed
Workpiece is located in clamping device, and clamping device includes the square column and lever cylinder mutually against setting, and square column is the bottom of towards
Direction in the middle part of plate, lever cylinder is towards bottom plate edge direction；Lever cylinder includes lever and cylinder two parts, and cylinder is in perpendicular
Straight setting, one end of the hinged lever in cylinder axis upper end, the fulcrum of lever connect cylinder wall, the other end lower surface pair of lever
The upper surface of square column.
In all clamping devices, in the square column upper surface for being located at cornerwise two of them clamping device, setting is fixed
Position pin；At the middle part of bottom plate, element floating support device is set, element floating support device includes the cylinder being laterally arranged and is vertically arranged
Support rod, support rod lower end connecting spring.
Preferably, the quantity of clamping device is four, set on bottom plate edge close to the position at four angles；The floating branch
The quantity of bearing apparatus is four, close to the position of bottom plate four edges in the middle part of bottom plate.
Shell thin wall component to be processed, i.e., workpiece to be processed, four outside of angle have set up extra block, extra block
In opened location hole, positioning bore dia and detent fit gap are 0.05mm, and positioning pin passes in and out location hole with can be convenient, and are risen
Positioning and the effect for stablizing workpiece.When work, a kind of shell thin wall component frock clamp of workpiece to be processed will be filled, be placed on
It carries out various processing on lathe, after the completion of work pieces process, removes four extra blocks, become intact workpiece, i.e., a kind of shell is thin
Wall class part.
The beneficial effects of the present invention are:
(1) clamping device being made of square column and lever cylinder is set on bottom plate, wherein table in two square columns
Positioning pin is arranged in face, matches with the location hole of workpiece to be processed, makes clamping device and workpiece to be processed, quickly positions and stablizes
Get off, workpiece unshifts in the horizontal direction, i.e., workpiece is not moved in X-axis and Y direction；At the same time, in lever cylinder
Under effect, location hole and positioning pin are pushed down in the lower surface of lever, and workpiece unshifts in vertical direction, i.e., workpiece Z-direction not
It is mobile；Workpiece is set not move, do not shake, not shake in process；
(2) it is arranged on bottom plate and is filled by the floating support that the cylinder being laterally arranged, the support rod being vertically arranged and spring form
It sets, when workpiece is placed on frock clamp, the non-aerating of cylinder, support rod is to float, it is ensured that each support rod and workpiece bottom
Full connected；After cylinder aerating, cylinder movement holds out against support rod, and floating support bar becomes fixed bearing bar, solves shell and adds
The vertical vibration problem that working hour generates, i.e. the Z axis vibration problem of workpiece；
(3) present invention use the mating workpiece location hole of positioning pin, cooperate the lower surface of lever push down location hole, positioning pin and
Element floating support device, X-axis, Y-axis and Z axis all without clamping force in the case where stabilize workpiece to be processed, solve the prior art
Clamping force be easy to cause shell thin wall component problem on deformation, improve workpieces processing quality, due to all using it is pneumatic from
Dynamicization operation, also improves work pieces process efficiency, kills two birds with one stone.
Detailed description of the invention
Fig. 1 is a kind of shell thin wall component frock clamp stereoscopic schematic diagram.
Fig. 2 is clamping device stereoscopic schematic diagram.
Fig. 3 is clamping device diagrammatic cross-section.
Fig. 4 is element floating support device stereoscopic schematic diagram.
Fig. 5 is element floating support device diagrammatic cross-section.
Fig. 6 is shell thin wall component stereoscopic schematic diagram to be processed.
Fig. 7 is that a kind of shell thin wall component frock clamp loads onto shell thin wall component stereoscopic schematic diagram to be processed.
In figure, 1-bottom plate, 2-lever cylinders, 3-cylinder axis, 4-levers, 5-support rods, 6-are laterally arranged
Cylinder, 7-square columns, 8-fulcrums, 9-positioning pins, 10-gas outlets, 11-air inlets, 12-air inlets, 13-gas outlets,
14-springs, 20-shell thin wall components, 21-extra blocks, 22-location holes.
Specific embodiment
Fig. 1 is a kind of shell thin wall component frock clamp stereoscopic schematic diagram, and four clamping devices are arranged on bottom plate,
Workpiece to be processed is located in clamping device, clamping device be square column and lever cylinder, lever cylinder include lever and
Cylinder two parts, for cylinder in being vertically arranged, the fulcrum of one end of cylinder axis upper end hinged lever, lever connects cylinder wall, lever
Other end lower surface against square column.It is being located at cornerwise two square column upper surfaces, positioning pin is set；In bottom plate
Element floating support device is arranged in portion, and element floating support device includes the cylinder being laterally arranged and the support rod being vertically arranged, under support rod
Hold connecting spring;
The quantity of element floating support device is also four in Fig. 1, close to the position of bottom plate four edges in the middle part of bottom plate；It is to be added
The shell thin wall component of work, four outside of angle have set up extra block, location hole have been opened in extra block, and positioning pin can be convenient
Ground passes in and out location hole, plays a part of to position and stablize workpiece.When work, a kind of shell thin wall zero of workpiece to be processed will have been filled
Part frock clamp is placed on lathe and carries out various processing, after the completion of work pieces process, removes four extra blocks, becomes intact work
Part, i.e., a kind of shell thin wall component;
Fig. 2 is clamping device stereoscopic schematic diagram.Clamping device is square column 7 and lever cylinder 2, and lever cylinder includes
Lever 4 and cylinder two parts, for cylinder in being vertically arranged, the fulcrum 8 of one end of 3 upper end hinged lever of cylinder axis, lever connects gas
Casing wall, the other end lower surface of lever is against square column, and positioning pin 9 is arranged in square column upper surface, and workpiece is enterprising in the horizontal direction
Row is positioned and is unshifted, and Fig. 3 is clamping device diagrammatic cross-section;
Fig. 4 is element floating support device stereoscopic schematic diagram, and element floating support device includes the cylinder 6 being laterally arranged and is vertically arranged
Support rod 5, support rod lower end connecting spring.When the 6 non-aerating of cylinder being laterally arranged, support rod is to float, it is ensured that each
Support rod and workpiece bottom Full connected；After cylinder aerating, cylinder movement holds out against support rod, and floating support bar becomes fixed branch
Hold bar；Fig. 5 is element floating support device diagrammatic cross-section;
Fig. 6 is shell thin wall component stereoscopic schematic diagram to be processed, shell thin wall component to be processed, four angles
Extra block has been set up in outside, has opened location hole in the extra block at diagonal line;
Fig. 7 is that a kind of shell thin wall component frock clamp loads onto shell thin wall component stereoscopic schematic diagram to be processed,
Workpiece to be processed, four outside of angle have set up extra block, and location hole has been opened in extra block, and positioning pin passes in and out in which can be convenient
Location hole plays a part of to position and stablize workpiece；When work, a kind of work of shell thin wall component of workpiece to be processed will have been filled
Clamps are placed on lathe and carry out various processing, after processing is completed, remove four extra blocks, become intact workpiece, i.e., a kind of
Shell thin wall component.
Shell thin wall component frock clamp R&D process introduction
1, Developed Background
Zhaoqing City of Guangdong Province where applicant, is Pearl River Delta aluminium Die Casting base, and product includes auto-parts, leads to
Interrogate part etc..Shell thin wall component category aluminium Die Casting Industry typicalness part, area is larger, and bottom surface is that uneven, shape is multiple
Miscellaneous black skin, part is thin, clamping poor rigidity, and when processing can generate larger vibration, seriously affects processing quality and processing efficiency.
Shell thin wall component frock clamp is based on enterprise practical product --- communication transmitter shell absorbs die casting
The advanced Fixture designing theory of industry leads student well-designed, makes full use of by the teacher teams that applicant leads group of people
School existing equipment is made.The design scheme of the frock clamp efficiently solves determining for shell thin wall component numerical control processing
The technical problems such as position, vibration, ensure that the processing quality of part, improve production efficiency, create biggish economy for enterprise
Benefit.
2, R&D process
1) mentality of designing
The distance of two location holes first (418 × 317mm), positioning bore dia and detent fit gap should control
Within 0.05mm；Its is secondary to achieve the purpose that workpiece quick-clamping；Third clamp structure will be stablized, and clamping workpiece will rigidly be got well,
Vibration can be resisted, batch production is able to achieve, guarantees processing quality, improves production efficiency.
In order to realize the function of above some fixtures, the structure design of following fixture has been carried out.
2) structure designs
(1) clamp bottom board
With a thickness of 25mm, rigidity is good；Substructure height is 100mm, and tracheae is arranged in below bottom plate, and neat appearance facilitates zero
Part handling.
(2) setting element
A) 4 fixed bearings --- the freedom degree of the limitation direction of rotation X, Y and the freedom degree of Z translation direction；
B) 2 short setting circle pin --- the freedom degree of limitation X, Y translation direction and the freedom degree of the direction of rotation Z；
C) 4 floating supports (variable fixed bearing) --- the processing vibration for resisting part improves the installation of entire part
Rigidity；
(3) clamping element
4 lever cylinders, cylinder diameter are 50mm thin type cylinder, air pressure 5kgf/cm2, power output 98kg, the quick folder of realization
Tightly.
3, main feature
(1) major function, performance
1) accurate
Using the fixture scheme of " Position with One Plane and Two Holes ", i.e., using four technique eardrum faces of communication transmitter shell and 45o pairs
Two technique earhole of angle realizes that communication transmitter shell positions completely, positioning accuracy is high, and two hole site precision can as positioning datum
Reach ± 0.02mm.
2) quickly positioning, clamping are rigidly good
Shell dimension is 398.0mm × 297.0mm × 84.5mm, and bottom surface is uneven, complex-shaped black skin, zero
Part is thin, only relies on four fixed bearings and technique eardrum face contact, clamping poor rigidity.If part bottom surface increases fixed bearing
(nail or plate), may cause greatly positioning very much.To solve the above-mentioned problems, bottom surface setting element uses four floating supports, should
Support aerating before be floating support, guarantee to contact with bottom surface, become fixed bearing after aerating, solve shell positioning accuracy and
The problem of clamping rigidity, realizes quick positioning.
3) clamping efficiency is high, is applicable in batch production
After the completion of first part trial cut, using the ability of the quick positioning and pneumatic pinch of this fixture, it may be implemented same
The batch production of one part.
(2) bright spot is innovated
Four floating supports that bottom surface setting element uses are not standard components, are the working principles based on floating support, change
It makes and designs, it is practical.
When workpiece placing clamp, non-aerating, bearing is to float, it is ensured that each bearing and housing bottom surface Full connected；Cylinder
After aerating, cylinder movement holds out against inclined wedge support rod by the hold-down mechanism of fulcrum bearing, and floating support becomes fixed bearing, from
And the vibration problem generated when shell processing has been well solved, realize the quick-clamping of workpiece.
4, Application effect
(1) teaching aspect
It applies on " machine tool fixture " course, has deepened student to the understanding of special fixture structure, improved student to brill
Mill class Special Clamps Design, the integration capability of production.
(2) production aspect
It is difficult that frock clamp of the invention efficiently solves the technologies such as positioning, the vibration of communication transmitter shell numerical control processing
Topic, ensure that the processing quality of part, improves production efficiency, create biggish economic benefit for enterprise.The design scheme
The solution of typicalness also is provided for the clamping processing of shell thin wall component, there is promotional value in the same industry.
Claims (2)
1. a kind of shell thin wall component frock clamp comprising the clamping device being arranged on bottom plate and bottom plate, work to be processed
Part is located in clamping device, it is characterised in that:
The clamping device includes the square column and lever cylinder mutually against setting, square column towards direction in the middle part of bottom plate,
Lever cylinder is towards bottom plate edge direction；
The lever cylinder includes lever and cylinder two parts, and cylinder is in being vertically arranged, the hinged lever in cylinder axis upper end
One end, the fulcrum of lever connects cylinder wall, and the other end lower surface of lever is against the upper surface of square column；
In all clamping devices, in the square column upper surface for being located at cornerwise two of them clamping device, positioning pin is set；
At the middle part of the bottom plate, element floating support device is set, the element floating support device includes the cylinder being laterally arranged and erects
The support rod being directly arranged, support rod lower end connecting spring.
2. a kind of shell thin wall component frock clamp according to claim 1, it is characterised in that: the clamping device
Quantity is four, set on bottom plate edge close to the position at four angles；The quantity of the element floating support device is four, is set to bottom plate
Middle part is close to the position of bottom plate four edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821674722.5U CN209190314U (en) | 2018-10-16 | 2018-10-16 | A kind of shell thin wall component frock clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821674722.5U CN209190314U (en) | 2018-10-16 | 2018-10-16 | A kind of shell thin wall component frock clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209190314U true CN209190314U (en) | 2019-08-02 |
Family
ID=67408033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821674722.5U Expired - Fee Related CN209190314U (en) | 2018-10-16 | 2018-10-16 | A kind of shell thin wall component frock clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209190314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176088A (en) * | 2018-10-16 | 2019-01-11 | 植才华 | Shell thin wall component frock clamp |
| CN115139119A (en) * | 2022-05-09 | 2022-10-04 | 杭州大和热磁电子有限公司 | Z-shaped pressing block combined clamp |
-
2018
- 2018-10-16 CN CN201821674722.5U patent/CN209190314U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176088A (en) * | 2018-10-16 | 2019-01-11 | 植才华 | Shell thin wall component frock clamp |
| CN115139119A (en) * | 2022-05-09 | 2022-10-04 | 杭州大和热磁电子有限公司 | Z-shaped pressing block combined clamp |
| CN115139119B (en) * | 2022-05-09 | 2023-08-04 | 杭州大和热磁电子有限公司 | Z-shaped briquetting combined clamp |
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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 |
Granted publication date: 20190802 Termination date: 20211016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |