CN209140427U - Flexible fixture based on CNC processing - Google Patents
Flexible fixture based on CNC processing Download PDFInfo
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- CN209140427U CN209140427U CN201821842962.1U CN201821842962U CN209140427U CN 209140427 U CN209140427 U CN 209140427U CN 201821842962 U CN201821842962 U CN 201821842962U CN 209140427 U CN209140427 U CN 209140427U
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- plate
- fixed
- push plate
- flexible fixture
- cnc processing
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Abstract
The utility model discloses a kind of flexible fixtures based on CNC processing, including the bottom plate for being fixed on platen, one end of the bottom plate is fixed with connecting plate, backing plate made of bakelite material is fixed on the connecting plate, and two adjacent lateral surfaces of connecting plate are respectively fixed with the locating piece that height is more than plane on the plate；Other two opposite lateral surface of connecting plate is respectively equipped with a push plate, and each push plate is individually fixed in a push plate driving mechanism, which is able to drive vertical line direction back and forth movement of the push plate along the push plate；The upper surface of each push plate is respectively fixed with gripping block, and the inner end of gripping block is movably placed on the upper side of backing plate.Flexible fixture based on CNC processing fast and reliable automated exchanged cutter square plate part on small size vertical machining center, having reduces operation labor intensity, the advantages that shortening non-cutting time, raise labour productivity, guarantee product quality.
Description
Technical field
The utility model belongs to automatically processing device technical field, particularly relates to a kind of flexible fixture, especially
It is related to a kind of flexible fixture based on CNC processing.
Background technique
In automation industry, the processing of square plate parts is accounted for very at high proportion, and the size of this kind of part is different, and material has
Steel part, aluminum component, stainless steel part, nonmetal parts etc., it is various in style, it is small quantities of to be substantially single-piece.Such as attached drawing 1, processed in square plate
There are through-hole, stepped hole and groove milling and milling shape etc..
For the clamping of traditional square plate parts there are mainly three types of mode, the first is second by follower bolt clamping
It is by magnetic suction disc (including magnechuck and permanent magnetic chuck) or Pneumatic vacuum sucker clamping.The third is using gluing work
Skill applies in general to processing aluminum component and nonmetal parts, not only poor reliability, and glue can loosen under coolant liquid immersion, processing essence
Degree is difficult to ensure, and workbench later period cleaning glue is difficult.It is according to follower bolt clamping, then time-consuming and laborious, refering to attached drawing
2-1 and 2-2, nut 3 and pressing plate 4 can also be higher by the upper plane of workpiece 6, just need to increase cutter length in processing, so not
Cutter rigidity can be only reduced, reduces cutter life, and upper plane machining is limited, i.e., it cannot be guaranteed that headroom above workpiece, directly
Influence processing efficiency and machining accuracy.Magnetic suction disc clamping is then unable to clamping nonferromugnetic material refering to attached drawing 3-1 and 3-2,
Through-hole cannot be processed on workpiece.Pneumatic vacuum sucker cannot process through-hole on workpiece, and use and maintenance cost are high.By
This is as it can be seen that both universal fixturings all have limitation and advantage and disadvantage in use, it is difficult to meet a variety of demands processed at present.
Summary of the invention
In order to overcome drawbacks described above, the utility model provides a kind of flexible fixture based on CNC processing, in minitype vertical type
Fast and reliable automated exchanged cutter square plate part on machining center reduces operation labor intensity, shortens non-cutting time, improves labour production
Rate guarantees product quality.
The utility model is to solve technical solution used by its technical problem: a kind of flexibility based on CNC processing
Fixture, including the bottom plate for being fixed on platen, one end of the bottom plate is fixed with connecting plate, made of bakelite material
Backing plate is fixed on the connecting plate, and it is more than to put down on the backing plate that two adjacent lateral surfaces of the connecting plate, which are respectively fixed with height,
The locating piece in face；Other two opposite lateral surface of the connecting plate is respectively equipped with a push plate, and each push plate is individually fixed in
In one push plate driving mechanism, which is able to drive vertical line direction back and forth movement of the push plate along the push plate；It is each
The upper surface of push plate is respectively fixed with gripping block, and the inner end of the gripping block is movably placed on the upper side of the backing plate.
The push plate driving mechanism includes linear guide, is slidably disposed within this directly as a further improvement of the utility model,
Sliding block on line guide rail, and the cylinder of the vertical push plate setting, the lower end of the push plate is fixed on the sliding block, described
The cylinder block of cylinder is fixed on the bottom plate, and the piston rod of the cylinder passes through floating junction and the push plate floating connection.
The lateral surface of the push plate is equipped with fixing seat, the floating junction as a further improvement of the utility model,
It is connected in the fixing seat.
It is set on the bottom plate as a further improvement of the utility model, there are two support, connecting plate is fixed on two branch
On seat, the backing plate is fixed on connecting plate.
The upper surface of the push plate is equipped with the first T along its length as a further improvement of the utility model,
Type groove, the gripping block pass through the T-nut that is placed in first T-slot and are bolted.T-type spiral shell below gripping block
Mother position in the first T-slot of push plate is adjustable, when needing to adjust, unclamps bolt, mobile gripping block fixes spiral shell again
Bolt.
The upper side of the platen is equipped at intervals with several articles of the 2nd T as a further improvement of the utility model,
Type groove, the bottom plate is fixed in the second T-slot of the platen by screw and T-nut, and passes through positioning key
It is positioned with second T-slot.
Negative angle is processed into the inner end of the gripping block and workpiece contact portion position as a further improvement of the utility model,
Degree.
As a further improvement of the utility model, two locating pieces towards the inner plane of workpiece be respectively formed with
The X of CNC machine is to zero reference opposite with Y-direction both direction, and the upper plane of the backing plate is as the opposite of CNC machine Z-direction
Zero reference.
The beneficial effects of the utility model are: bottom plate should be mounted as a whole on based on the flexible fixture that CNC is processed when in use
On, convenient for dismounting of the complete machine on lathe；By two groups of push plate driving mechanisms that linear guide and cylinder form be respectively formed X to
It takes exercises guiding and support with the precise linear guide pair of Y-direction both direction, bearing capacity is big, and frictional force is small, and precision keeps good,
Realize headroom above workpiece；Within the scope of cylinder stroke, various sizes of clamping workpiece can be met without adjustment, be more than cylinder
Stroke range, replaceable various sizes of gripping block realizes flexible automation.To sum up, the flexible fixture that should be processed based on CNC
The fast and reliable automated exchanged cutter square plate part on small size vertical machining center, having reduces operation labor intensity, shortens non-cutting time,
The advantages that raising labour productivity, guaranteeing product quality.
Detailed description of the invention
Fig. 1 is existing square plate machining state figure；
Fig. 2-1 is existing pressing plate clamping top view；
Fig. 2-2 is Fig. 2-1 sectional view；
Fig. 3-1 is existing magnechuck top view；
Fig. 3-2 is Fig. 3-1 sectional view；
Fig. 4 is the utility model schematic perspective view；
Fig. 5 is the utility model one side schematic diagram；
Fig. 6 is the utility model another side schematic diagram；
Fig. 7 is the utility model section structural schematic diagram；
Fig. 8 is linear guide described in the utility model and slide block structure schematic diagram；
Fig. 9 is structural representation of air cylinder described in the utility model；
Figure 10 is Fig. 9 the schematic diagram of the section structure.
In conjunction with attached drawing, make the following instructions:
Wherein, 1 is platen；2 be pressure plate cushion block；3 be nut；4 be pressing plate；5 be bolt；6 be workpiece；11 be bottom
Plate；12 be backing plate；13 be locating piece；14 be push plate；15 be gripping block；16 be linear guide；17 be sliding block；18 be cylinder；19
For floating junction；20 be fixing seat；21 be support；22 be connecting plate；141 be the first T-slot；101 be the second T-slot；102 are
Screw；103 be T-nut；104 be positioning key；181 be cylinder block；182 be piston rod.
Specific embodiment
Below in conjunction with attached drawing, elaborate to a preferred embodiment of the utility model.But the guarantor of the utility model
Shield range is not limited to following embodiments, i.e., in every case with simple made by present utility model application the scope of the patents and description
Equivalent changes and modifications all still belong within the utility model patent covering scope.
It refering to fig. 1-10, is a kind of flexible fixture based on CNC processing described in the utility model, including for being fixed on
Bottom plate 11 on platen 1, one end of the bottom plate are fixed with connecting plate 22, and backing plate 12 made of bakelite material is fixed on this
On connecting plate, on workpiece process through-hole when can backing plate upper plane there are cutter trade (can process on workpiece lead to
Hole), backing plate can re-work plane reparation after using to a certain extent.Two adjacent lateral surfaces of the connecting plate point
It is not fixed with the locating piece 13 that height is more than plane on the backing plate；Other two opposite lateral surface of the connecting plate is set respectively
There is a push plate 14, each push plate is individually fixed in a push plate driving mechanism, which is able to drive the push plate edge
The vertical line direction back and forth movement of the push plate；The upper surface of each push plate 14 is respectively fixed with gripping block 15, the gripping block it is interior
End is movably placed on the upper side of the backing plate.In use, bottom plate 11 is fixed on platen 1, workpiece 6 is placed in backing plate
On 12, two push plate driving mechanisms is then respectively started, corresponding push plate 14 is driven to travel forward, workpiece 6 is made to be fitted in two positioning
Between block 13 and gripping block 15, headroom above workpiece is realized, to realize clamping positioning, can carry out through-hole, stepped hole, and
The working processes such as groove milling and milling shape.
Wherein, the push plate driving mechanism includes linear guide 16, the sliding block being slidably disposed in the linear guide 17, and
The cylinder 18 of the vertical push plate setting, the lower end of the push plate are fixed on the sliding block, and the cylinder block 181 of the cylinder is solid
Due on the bottom plate, the piston rod 182 of the cylinder passes through floating junction 19 and the push plate floating connection.The push plate
Lateral surface is equipped with fixing seat 20, and the floating junction 19 is connected in the fixing seat.The piston rod of cylinder 18 is connect by floating
First 19 and fixing seat 20 connect with push plate 14, to drive push plate campaign, gripping block 15 is driven to clamp workpiece.And push plate passes through sliding block
17 slide fits can not only play the role of motion guide, but also bearing capacity is big in linear guide 16, and frictional force is small, and precision is kept
Property it is high.
It is set on the bottom plate there are two support 21, connecting plate 22 is fixed on two supports, and the backing plate 12 is fixed on company
On fishplate bar 22.During installation, first support and bottom plate are assembled, assembles positioning datum to determine, determines installation site, then pacify again
Linear guide etc. is filled, assembly difficulty is reduced.
The upper surface of the push plate is equipped with the first T-slot 141 along its length, and the gripping block is by being placed in this
T-nut in first T-slot is simultaneously bolted.T-nut below the gripping block position in the first T-slot of push plate
It is adjustable, when needing to adjust, bolt is unclamped, moves gripping block, again fixing bolt.
The upper side of the platen is equipped at intervals with several the second T-slots 101, and the bottom plate passes through screw 102
It is fixed in the second T-slot of the platen with T-nut 103, and passes through positioning key 104 and second T-slot
Positioning.Entire flexible fixture is installed on bottom plate, is dismounted on lathe convenient for complete machine.Machine is fixed on by screw and T-nut
On bed workbench, positioned by the second T-slot of positioning key and platen.
Negative angle is processed into the inner end and workpiece contact portion position of the gripping block 15, has pushing while top tight workpiece
Trend, it is ensured that workpiece precision is fitted in plane on backing plate after clamping, guarantees machining accuracy.Realize headroom above workpiece,
Two locating pieces 13 towards the inner plane of workpiece be respectively formed with the X of CNC machine to Y-direction both direction
Opposite zero reference, opposite zero reference of the upper plane of the backing plate 12 as CNC machine Z-direction.Convenient for lathe to knife and volume
Journey operation.
It can be seen that should be mounted as a whole on bottom plate, exist convenient for complete machine based on the flexible fixture that CNC is processed when in use
Dismounting on lathe；By two groups of push plate driving mechanisms that linear guide and cylinder form be respectively formed X to Y-direction both direction
Precise linear guide pair take exercises guiding and support, bearing capacity is big, and frictional force is small, and precision keeps good；In cylinder stroke model
In enclosing, various sizes of clamping workpiece can be met without adjustment, more than cylinder stroke range, replaceable various sizes of folder
Tight block realizes flexible automation.Negative angle is processed into the inner end and workpiece contact portion position of gripping block, has while top tight workpiece
The trend of pushing, it is ensured that workpiece precision is fitted in plane on backing plate after clamping, guarantees machining accuracy.Realize headroom above workpiece；
To sum up, the flexible fixture that should process based on CNC fast and reliable automated exchanged cutter square plate part on small size vertical machining center, is had and is dropped
The advantages that low operation labor intensity shortens non-cutting time, raises labour productivity, guarantees product quality.
Claims (8)
1. a kind of flexible fixture based on CNC processing, it is characterised in that: including the bottom for being fixed on platen (1)
Plate (11), one end of the bottom plate are fixed with connecting plate (22), and backing plate (12) made of bakelite material is fixed on the connecting plate, institute
The two adjacent lateral surfaces for stating connecting plate are respectively fixed with the locating piece (13) that height is more than plane on the backing plate；The connection
Other two opposite lateral surface of plate is respectively equipped with a push plate (14), and each push plate is individually fixed in a push plate driving mechanism
On, which is able to drive vertical line direction back and forth movement of the push plate along the push plate；The upper end of each push plate (14)
Face is respectively fixed with gripping block (15), and the inner end of the gripping block is movably placed on the upper side of the backing plate.
2. the flexible fixture according to claim 1 based on CNC processing, it is characterised in that: the push plate driving mechanism packet
The sliding block (17) for including linear guide (16), being slidably disposed in the linear guide, and the cylinder (18) of the vertical push plate setting,
The lower end of the push plate is fixed on the sliding block, and the cylinder block (181) of the cylinder is fixed on the bottom plate, the cylinder
Piston rod (182) pass through floating junction (19) and the push plate floating connection.
3. the flexible fixture according to claim 2 based on CNC processing, it is characterised in that: on the lateral surface of the push plate
Equipped with fixing seat (20), the floating junction (19) is connected in the fixing seat.
4. the flexible fixture according to claim 2 based on CNC processing, it is characterised in that: there are two being set on the bottom plate
Support (21), connecting plate (22) are fixed on two supports, and the backing plate (12) is fixed on connecting plate (22).
5. the flexible fixture according to claim 1 based on CNC processing, it is characterised in that: on the upper surface of the push plate
Equipped with the first T-slot (141) along its length, the gripping block passes through the T-nut that is placed in first T-slot and leads to
Bolt is crossed to fix.
6. it is according to claim 1 based on CNC processing flexible fixture, it is characterised in that: the platen it is upper
Side is equipped at intervals with several the second T-slots (101), and the bottom plate is fixed on institute by screw (102) and T-nut (103)
It states in the second T-slot of platen, and is positioned by positioning key (104) and second T-slot.
7. it is according to claim 1 based on CNC processing flexible fixture, it is characterised in that: the gripping block (15) it is interior
Negative angle is processed into workpiece contact portion position in end.
8. the flexible fixture according to claim 1 based on CNC processing, it is characterised in that: two locating pieces (13)
Inner plane towards workpiece is respectively formed with the X of CNC machine to zero reference opposite with Y-direction both direction, the backing plate
(12) opposite zero reference of the upper plane as CNC machine Z-direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821842962.1U CN209140427U (en) | 2018-11-09 | 2018-11-09 | Flexible fixture based on CNC processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821842962.1U CN209140427U (en) | 2018-11-09 | 2018-11-09 | Flexible fixture based on CNC processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209140427U true CN209140427U (en) | 2019-07-23 |
Family
ID=67271567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821842962.1U Active CN209140427U (en) | 2018-11-09 | 2018-11-09 | Flexible fixture based on CNC processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209140427U (en) |
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2018
- 2018-11-09 CN CN201821842962.1U patent/CN209140427U/en active Active
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