CN209520802U - A kind of vacuum adsorption fixture - Google Patents
A kind of vacuum adsorption fixture Download PDFInfo
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- CN209520802U CN209520802U CN201822245509.9U CN201822245509U CN209520802U CN 209520802 U CN209520802 U CN 209520802U CN 201822245509 U CN201822245509 U CN 201822245509U CN 209520802 U CN209520802 U CN 209520802U
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 73
- 238000010521 absorption reaction Methods 0.000 claims abstract description 81
- 238000007789 sealing Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M methacrylate group Chemical group C(C(=C)C)(=O)[O-] CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims 1
- 239000004926 polymethyl methacrylate Substances 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 10
- 238000003754 machining Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model relates to a kind of fixtures, specifically disclose a kind of vacuum adsorption fixture, the absorption of workpieces block including its fixed plate and above fixed plate, and the upper surface of absorption of workpieces block is for adsorbing sheet-like workpiece；The upper surface of absorption of workpieces block is equipped with the first stomata of several structure arrangements annular in shape close to the position of its outer ledge, first stomata is blind hole, the inside of the ring structure surrounded positioned at several first stomatas is equipped with several the second stomatas through absorption of workpieces block upper and lower surface, is connected between the first stomata the second stomata adjacent thereto by air channel；The inside of fixed plate is equipped with the seal chamber being connected to the second stomata, and the outside of fixed plate is equipped with the aspirating hole being connected to seal chamber.The vacuum adsorption fixture of the utility model can make sheet-like workpiece entirety adsorption capacity uniform, avoid generating volcanic crater, circle printing and jig print, can also prevent the edge of sheet-like workpiece from upwarping, it is ensured that the rigidity at vacuum adsorption fixture edge.
Description
Technical field
The utility model relates to a kind of fixtures, more particularly to a kind of vacuum adsorption fixture.
Background technique
The process for machining and manufacturing of the electronic equipments such as mobile phone, plate is high to required precision, to electronic equipment screen or
When the sheet-like elements such as person's rear cover are processed, needs that first sheet-like workpiece to be processed is fixed, then it is carried out again
The selection of retrofit, fixture can produce bigger effect the processing quality of sheet-like workpiece.To ensure sheet work in process
The lasting fixation of part, while can adapt to the shape and material properties feature of sheet-like workpiece, it would generally industrially be inhaled using vacuum
Attached fixture fixes sheet-like workpiece to be processed, currently, vacuum adsorption fixture generally has following three types:
The first, shown in Figure 1, the top of fixture is equipped with multi-ring annular slot 100, the gas on annular groove 100 and fixture
Chamber connection, sheet-like workpiece to be processed are placed in the top of fixture, are then connected to air cavity with vacuum pump by tracheae, vacuum pump
Starting makes the interior formation negative pressure of air cavity achieve the purpose that fixed sheet-like workpiece so that sheet-like workpiece to be adsorbed in the top of fixture.But
It is that when using this fixture, what one side sheet-like workpiece was contacted with fixture is easy to produce serious annular jig print on one side, another
Aspect is since adsorption capacity concentrates the position for acting on sheet-like workpiece and corresponding to annular groove, and the adsorption capacity of surrounding is lower, so that piece
Shape workpiece discontinuity, sheet-like workpiece another side close to molding camera mounting hole position will appear volcanic crater and
Thus circle printing seriously affects the quality of sheet-like workpiece.
Second, shown in Figure 2, the top of fixture is equipped with recessed portion 200, and formed in recessed portion 200 it is several
The support column 210 of even distribution, recessed portion 200 form air flue with support column 210 and are connected to air cavity, and sheet-like workpiece to be processed is put
It is placed on support column 210, vacuum pump startup makes air cavity form negative pressure, thus fixed sheet-like workpiece.When using this fixture, one
What aspect sheet-like workpiece was contacted with support column 210 is easy to produce serious jig print on one side, on the other hand since adsorption capacity is concentrated
Position of the sheet-like workpiece corresponding to recessed portion between support column 210 is acted on, and the adsorption capacity for corresponding to support column 210 is lower,
So that, there is volcanic crater close to the position of molding camera mounting hole in the another side of sheet-like workpiece in sheet-like workpiece discontinuity
And circle printing.
The third, it is shown in Figure 3, matrix pattern groove 300, matrix pattern groove 300 and air cavity are offered at the top of fixture
Connection, vacuum pump startup to form negative pressure in air cavity, thus fixed sheet-like workpiece to be processed.Similarly, using this folder
When tool, what one side sheet-like workpiece was contacted with fixture is easy to produce serious matrix pattern jig print, another aspect sheet work on one side
The adsorption capacity that part is subject to focuses primarily upon position corresponding with matrix pattern groove 300, and the adsorption capacity of surrounding is lower, leads to sheet
Workpiece discontinuity will appear volcanic crater and circle close to the position of molding camera mounting hole in the another side of sheet-like workpiece
Print, thus seriously affects the quality of sheet-like workpiece.
Utility model content
In order to solve the problems in above-mentioned background technique, the purpose of the utility model is to provide a kind of vacuum adsorption fixture,
So that sheet-like workpiece entirety adsorption capacity is uniform, avoid generating volcanic crater, circle printing and jig print.
Based on this, the utility model provides a kind of vacuum adsorption fixture, including fixed plate and is set in the fixed plate
The absorption of workpieces block of side, the upper surface of the absorption of workpieces block is for adsorbing sheet-like workpiece；The upper surface of the absorption of workpieces block
The first stomata of several structure arrangements annular in shape is equipped with close to the position of its outer ledge, first stomata is blind hole, is located at
The inside for the ring structure that several first stomatas are surrounded is equipped with several through the absorption of workpieces block upper and lower surface
Second stomata passes through air channel between first stomata, second stomata adjacent thereto and is connected to；
The inside of the fixed plate is equipped with the seal chamber that be connected to second stomata, the outside of the fixed plate equipped with
The aspirating hole of the seal chamber connection.
Preferably, first stomata and second stomata are arranged in array, first stomata and its phase
Second stomata that is adjacent and being oppositely arranged is connected to by the air channel.
Preferably, the opening direction of the air channel is upward.
Preferably, the outer ledge profile of the absorption of workpieces block is rectangle.
Preferably, the absorption of workpieces block is equipped with camera hole processing groove, the periphery of the camera hole processing groove
Equipped with annular air channel, the annular air channel will be close to first stomata of the camera hole processing groove and second stomata connects
It is logical.
Preferably, the minimum spacing range of the outer ledge of the camera hole processing groove and the absorption of workpieces block
For 1mm-4mm.
Preferably, the depth bounds of the annular air channel are 1mm-10mm.
Preferably, the lower surface of the absorption of workpieces block offers and sealing opposite with the seal chamber position and connects
Logical groove；The side of the fixed plate offers recess, and the aspirating hole is set to the recess.
Preferably, the bottom of the absorption of workpieces block is equipped with the positioning step of annular, the positioning step it is outer
Side edge protrudes from the outer ledge of the absorption of workpieces block.
Preferably, the inside of the fixed plate, which is arranged side by side, multiple seal chambers, the absorption of workpieces block
Lower surface offer the grooves that multiple positions with each seal chamber correspond and are connected, the side wall of the groove with
The side wall of its corresponding seal chamber is tightly connected；The outside of the fixed plate is equipped with multiple aspirating holes, each described
Aspirating hole is respectively corresponded with each seal chamber and is connected to.
Preferably, the lower surface of the positioning step is additionally provided with the seal groove for placing sealing ring.
Preferably, the bottom of the positioning step offers multiple screw threads being not communicated with first stomata
Hole, the threaded hole are arranged close to the edge of the positioning step, offer and the screw thread hole site one in the fixed plate
One corresponding mounting hole connects the threaded hole and the mounting hole by fastener with the fixation absorption of workpieces block.
Preferably, the outer ledge of the fixed plate is equipped with the position for fixing the vacuum adsorption fixture
Locating slot.
Preferably, the minimum spacing range at the edge of first stomata and the absorption of workpieces block is 1mm-
5mm。
Preferably, first stomata is identical with the aperture of second stomata, and the pore diameter range is φ
1mm-φ6mm。
Preferably, the depth of second stomata is 5mm-20mm；The depth bounds of the air channel are 1mm-
10mm。
Preferably, the altitude range of the absorption of workpieces block is 15mm-70mm.
Preferably, the fixed plate and the absorption of workpieces block are Al-alloy parts or steel part or organic glass
Part.
Compared to the prior art, the utility model has the beneficial effects that:
The vacuum adsorption fixture of the utility model, if the upper surface of absorption of workpieces block is equipped with close to the position of its outer ledge
The inside of dry first stomata, the first stomata is equipped with several the second stomatas through absorption of workpieces block upper and lower surface, the first stomata
With the second gas cell distribution in the upper surface of absorption of workpieces block, it can ensure that the entire surface adsorption capacity of sheet-like workpiece to be processed is uniform,
It avoids generating volcanic crater, circle printing and jig print；And first stomata be blind hole, pass through second gas adjacent thereto in the first stomata
It is equipped with the air channel of both connections between hole, on the one hand improves the adsorption capacity of the first stomata, prevents on the edge of sheet-like workpiece
It sticks up, on the other hand because the first stomata is blind hole, while also ensuring the rigidity at vacuum adsorption fixture edge, improve vacuum suction
The machining accuracy and service life of attached fixture.
Further, absorption of workpieces block is provided with camera hole processing groove, by the way that annular is arranged on camera hole processing groove periphery
Air flue, annular air channel will be close to the first stomata and the connection of the second stomata of camera hole processing groove, so that near camera hole processing groove
Adsorption capacity it is uniform, avoid the camera mounting hole of sheet-like workpiece from nearby volcanic crater and circle printing occur.
Further, the bottom of absorption of workpieces block is equipped with the positioning step of annular, by the outer side edges that positioning step is arranged
Edge protrudes from the outer ledge of the absorption of workpieces block, after being thus formed as between the lower section and positioning step at sheet-like workpiece edge
It is continuous to provide empty avoiding position using machining tool processing sheet-like workpiece；In addition, by making in two perpendicular sides of positioning step
With T shape pattern, consequently facilitating quickly determining that sheet-like workpiece is placed in the position of absorption of workpieces block upper surface.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first vacuum adsorption fixture in the prior art；
Fig. 2 is the structural schematic diagram of second of vacuum adsorption fixture in the prior art；
Fig. 3 is the structural schematic diagram of the third vacuum adsorption fixture in the prior art；
Fig. 4 is a kind of explosive view for vacuum adsorption fixture that the utility model embodiment one provides；
Fig. 5 is a kind of structural schematic diagram for absorption of workpieces block that the utility model embodiment one provides；
Fig. 6 be Fig. 5 A-A to cross-sectional view；
Fig. 7 is the structural schematic diagram for another absorption of workpieces block that the utility model embodiment one provides；
Fig. 8 is a kind of explosive view for vacuum adsorption fixture that the utility model embodiment two provides；
Fig. 9 is the structural schematic diagram for the absorption of workpieces block that the utility model embodiment two provides；
Figure 10 is a kind of longitudinal sectional view for vacuum adsorption fixture that the utility model embodiment three provides；
Figure 11 is a kind of side view for vacuum adsorption fixture that the utility model embodiment three provides；
Figure 12 is the structural schematic diagram for the absorption of workpieces block that the utility model embodiment three provides.
Wherein, 100, annular groove；200, recessed portion；210, support column；300, matrix pattern groove；10, fixed plate；11, close
Seal chamber；12, aspirating hole；13, it is recessed；14, mounting hole；15, locating slot；20, absorption of workpieces block；21, the first stomata；22, second
Stomata；23, air channel；24, camera hole processing groove；25, annular air channel；26, groove；30, positioning step；31, threaded hole；32,
Seal groove；40, sealing ring.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or imply relative importance.
Embodiment one:
It refers to shown in Fig. 4 and Fig. 5, it is schematically shown that the vacuum adsorption fixture of the utility model comprising fixed
The upper surface of the absorption of workpieces block 20 of plate 10 and the top of fixed plate 10, the absorption of workpieces block 20 in the present embodiment is to be added for adsorbing
The sheet-like workpiece such as cell phone screen glass or shell of work, the upper surface of absorption of workpieces block 20 is close to the position of its outer ledge
Install the first stomata 21 of several structure arrangements annular in shape, the inside of the ring structure surrounded positioned at several first stomatas 21
Equipped with several the second stomatas 22 through 20 upper and lower surface of absorption of workpieces block, the inside of fixed plate 10 is equipped with and the second stomata 22
The seal chamber 11 of connection, the outside of fixed plate 10 are equipped with the aspirating hole 12 being connected to seal chamber 11, which passes through tracheae
It is controlled to a vacuum pump, extracts out the gas in seal chamber 11 to form negative pressure after vacuum pump startup, so that sheet-like workpiece is adsorbed in
The upper surface of absorption of workpieces block 20.First stomata 21 and the second stomata 22 are preferably evenly arranged in the upper table of absorption of workpieces block 20
Face, it can be ensured that the entire surface adsorption capacity of sheet-like workpiece is uniform, to avoid generating volcanic crater, circle printing and jig print.
Based on the above-mentioned technical proposal, shown in referring to figs. 5 and 6, the first stomata 21 is blind hole, and the first stomata 21 is adjacent thereto
The second stomata 22 between be connected to by air channel 23 so that the first stomata 21 is connected to by air channel 23 with seal chamber 11, by
This improves the adsorption capacity of the first stomata 21, prevents the edge of sheet-like workpiece from upwarping, because the first stomata 21 is blind hole, while
The rigidity for ensuring vacuum adsorption fixture edge improves the machining accuracy and service life of vacuum adsorption fixture.
In specific embodiment, the first stomata 21 and the second stomata 22 are arranged in array, and can be further assured that sheet-like workpiece
Entire surface adsorption capacity is uniform, and first stomata 21 is adjacent thereto and the second stomata 22 for being oppositely arranged passes through air channel
23 connections, the opening of air channel 23 preferably direction upward, therefore ensures that the adsorption capacity of the first stomata 21, while being also convenient for ventilating
The processing of slot 23.
As preferred embodiment, absorption of workpieces block 20 is identical as the outer ledge profile of sheet-like workpiece, in this implementation
In example, the outer ledge profile of absorption of workpieces block 20 is rectangle, it is ensured that the upper surface of sheet-like workpiece and absorption of workpieces block 20 is whole
Body contact, adsorption force of each position by absorption of workpieces block 20 are prevented so that the whole adsorption capacity of sheet-like workpiece is uniform
Only its edge upwarps.
Illustratively, shown in Figure 5, absorption of workpieces block 20 is equipped with camera hole processing groove 24, convenient in sheet-like workpiece
On process camera mounting hole 14, the periphery of the camera hole processing groove 24 is equipped with annular air channel 25, and the annular air channel 25 will
Be connected to close to the first stomata 21 of the camera hole processing groove 24 with the second stomata 22, annular air channel 25 pass through the first stomata 21,
Second stomata 22 is connected to seal chamber 11, so that the adsorption capacity near camera hole processing groove 24 is uniform, avoids taking the photograph for sheet-like workpiece
As volcanic crater and circle printing nearby occurs in head mounting hole 14.Preferably, the outside of camera hole processing groove 24 and absorption of workpieces block 20
The minimum spacing range D1 at edge is 1mm-4mm, thus can prevent the rigidity apart from too small influence 20 edge of absorption of workpieces block, into
And influence the service life of absorption of workpieces block 20.
Further, the depth bounds of annular air channel 25 are 1mm-10mm.It is appreciated that the camera hole in the present embodiment adds
Work slot 24 according to actual needs, can be set to multiple slot positions (camera hole or flash lamp slot position), annular air channel 25 is to multiple
Slot position carries out integral loop around or individually being surround respectively to each slot position, be independent ring referring to the annular air channel 25 in Fig. 7
It is arranged around each slot position 24.
Preferably, the fixed plate 10 in the present embodiment and the material of absorption of workpieces block 20 are aluminium alloy or steel or have
Machine glass, but and as limit, in other embodiments, can be according to actual using needing and flexibly to choose other applicable
Material, details are not described herein.
Embodiment two:
The difference for referring to absorption of workpieces block 20 and embodiment one shown in Fig. 8 and Fig. 9, in the present embodiment is, workpiece
The lower surface of Attraction block 20 offers groove 26 that is opposite with 11 position of seal chamber and being connected, the side wall of the groove 26 with
The side wall of seal chamber 11 is tightly connected, and the second stomata 22 is through to groove 26 by the upper surface of absorption of workpieces block 20, to mitigate work
The overall weight of part Attraction block 20；The side of fixed plate 10 offers recess 13, and aspirating hole 12 is set at recess 13, is taken out with shortening
The length of stomata 12 improves processing efficiency, reduces processing cost convenient for improving the machining accuracy of aspirating hole 12.
Further, absorption of workpieces block 20 is equipped with the positioning step 30 for being shaped in the annular of its bottom, and annular is fixed
Position step 30 hollow space seal chamber 11 is connected to the groove 26 of absorption of workpieces block 20, with ensure the second stomata 22 with it is close
Seal the connection of chamber 11；The outer ledge of positioning step 30 protrudes from the outer ledge of absorption of workpieces block 20, thus by sheet work
When part is placed in the upper surface of absorption of workpieces block 20, sheet-like workpiece protrudes from the outer edge of absorption of workpieces block 20, thus sheet work
Be formed as the subsequent edge offer using machining tool processing sheet-like workpiece between the lower section and positioning step 30 at the edge of part to keep away
Empty position.
Preferably, shown in Figure 9, the lower surface of positioning step 30 is equipped with seal groove 32, and seal groove 32 is close for accommodating
Seal 40 (as shown in Figure 8), it is ensured that the sealed connection between the lower surface of positioning step 30 and the upper surface of fixation avoids the occurrence of
Adsorption capacity caused by gas leakage reduces, and then influences the fixed effect of sheet-like workpiece.
In the present embodiment, the horizontal cross-sectional profile line of positioning step 30 is identical as the appearance profile of sheet-like workpiece, passes through
T shape pattern is used in two perpendicular sides of positioning step 30, helps quickly to determine that sheet-like workpiece is placed in absorption of workpieces
The position of 20 upper surface of block.
As preferred embodiment, multiple screw threads are offered with continued reference to the bottom of positioning step 30 shown in Fig. 8 and Fig. 9
Hole 31, threaded hole 31 is arranged close to the edge of positioning step 30, and threaded hole 31 is not communicated with the first stomata 21, in fixed plate 10
Offer with the one-to-one mounting hole 14 in 31 position of threaded hole, mounting hole 14 and revolved by passing through fastener (such as screw)
Into in threaded hole 31, so that absorption of workpieces block 20 is fixed in fixed plate 10.Preferably, equably ring is set multiple threaded holes 31
In the bottom of positioning step 30, facilitates absorption of workpieces block 20 and be more securely fixed in fixed plate 10.
It is further preferred that shown in Figure 8, the outer ledge of fixed plate 10 is equipped with locating slot 15, and locating slot 15 is used for
The position of fixed vacuum adsorption fixture, such as 15 (not shown) of locating slot is fixed on by the briquetting on equipment processing platform
Place, in order to which vacuum adsorption fixture to be fixed on processing platform.
As a preferred option, the model of first stomata 21 and the minimum spacing D2 at the edge of the absorption of workpieces block 20
Thus enclosing can prevent for 1mm-5mm (as shown in Figure 5) apart from the too small rigidity for influencing 20 edge of absorption of workpieces block, Jin Erying
The service life of absorption of workpieces block 20 is rung, while being also prevented from apart from the excessive adsorption capacity deficiency for leading to sheet-like workpiece edge, is caused
Sheet-like workpiece edge upwarps.
Illustratively, the first stomata 21 is identical with the aperture of the second stomata 22, and pore diameter range is φ 1mm- φ 6mm, passes through
It is a large amount of it is demonstrated experimentally that the aperture of the first stomata 21 and the second stomata 22 within this range when, the adsorption capacity of vacuum adsorption fixture
It is of moderate size, is evenly distributed, and aperture is less than the range, then can greatly increase the load of vacuum pump, while also increasing workpiece
The difficulty of processing of Attraction block 20；Aperture is greater than the range, then will affect the whole uniform of adsorption capacity.Further, the second stomata
22 depth is 5mm-20mm；The depth bounds of air channel 23 are 1mm-10mm；Further, the absorption of workpieces block 20
Altitude range is 15mm-70mm.
The other structures of the absorption of workpieces block 20 of the present embodiment are the same as example 1, and are no longer repeated herein.
Embodiment three:
Referring to Figure 1 shown in 0, Figure 11 and Figure 12, the difference of vacuum adsorption fixture and embodiment two in the present embodiment exists
Being arranged side by side in the inside of, fixed plate 10 has multiple seal chambers 11, the lower surface of absorption of workpieces block 20 offer it is multiple with it is each close
The one-to-one groove 26 (as shown in Figure 12) in position of chamber 11 is sealed, each groove 26 is respectively corresponded with seal chamber 11 to be connected to,
The side wall of the seal chamber 11 of the side wall of groove 26 corresponding thereto is tightly connected, and each groove 26 is connected to the second stomata 22 respectively；
Meanwhile the outside of fixed plate is equipped with multiple aspirating holes 12 (as shown in Figure 11), each aspirating hole 12 is all connected with a vacuum pump,
Each aspirating hole 12 is respectively corresponded with each seal chamber 11 and is connected to.
In the present embodiment, the quantity of seal chamber 11, groove 26 and aspirating hole 12 is disposed as three, is sealed by increasing
In other words the quantity of chamber 11 is that vacuum area is carried out to dividing elements, each unit individually connects a vacuum pump, vacuum area
Domain reduces, thus, it is possible to improve the vacuum dynamics of vacuum pump, to improve the adsorption capacity to sheet-like workpiece.
In conclusion the vacuum adsorption fixture of the utility model, by the upper surface of absorption of workpieces block 20 outside it
Several first stomatas 21 are arranged in the position of side edge, several through on absorption of workpieces block 20 in the setting of the inside of the first stomata 21
Second stomata 22 of lower surface, and the first stomata 21 and the second stomata 22 are evenly arranged in the upper surface of absorption of workpieces block 20,
It can ensure that the entire surface adsorption capacity of sheet-like workpiece to be processed is uniform, avoid generating volcanic crater, circle printing and jig print；In addition, the
One stomata 21 is blind hole, by the air channel for being equipped with both connections between the first stomata 21 second stomata 22 adjacent thereto
23, to improve the adsorption capacity of the first stomata 21, prevent the edge of sheet-like workpiece from upwarping, while also ensuring that vacuum suction is pressed from both sides
Marginate rigidity improves the machining accuracy and service life of vacuum adsorption fixture.
Further, it will be close to the first stomata 21 of camera hole processing groove 24 by being arranged on 24 periphery of camera hole processing groove
The annular air channel 25 being connected to the second stomata 22 avoids sheet-like workpiece so that the adsorption capacity near camera hole processing groove 24 is uniform
Camera mounting hole 14 nearby there is volcanic crater and circle printing.
Further, the bottom of absorption of workpieces block 20 is equipped with the positioning step 30 of annular, passes through setting positioning step 30
Outer ledge protrudes from the outer ledge of the absorption of workpieces block 20, thus the lower section at sheet-like workpiece edge and positioning step 30 it
Between be formed as it is subsequent using machining tool processing sheet-like workpiece provide empty avoiding position；In addition, the level of setting positioning step 30 is cut
Facial contour line is identical as the appearance profile of sheet-like workpiece, by using T shape pattern in two perpendicular sides of positioning step 30,
Consequently facilitating quickly determining that sheet-like workpiece is placed in the position of 20 upper surface of absorption of workpieces block.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (18)
1. a kind of vacuum adsorption fixture, which is characterized in that the absorption of workpieces block including fixed plate and above the fixed plate,
The upper surface of the absorption of workpieces block is for adsorbing sheet-like workpiece；The upper surface of the absorption of workpieces block is close to its outer ledge
Position is equipped with the first stomata of several structure arrangements annular in shape, and first stomata is blind hole, is located at several first stomatas
The inside of the ring structure surrounded be equipped with several the second stomatas through the absorption of workpieces block upper and lower surface, described first
It is connected between stomata second stomata adjacent thereto by air channel；
The inside of the fixed plate is equipped with the seal chamber that be connected to second stomata, the outside of the fixed plate equipped with it is described
The aspirating hole of seal chamber connection.
2. vacuum adsorption fixture according to claim 1, which is characterized in that first stomata and second stomata are in
Array arrangement, first stomata is adjacent thereto and second stomata that is oppositely arranged is connected to by the air channel.
3. vacuum adsorption fixture according to claim 1, which is characterized in that the opening direction of the air channel is upward.
4. vacuum adsorption fixture according to claim 1, which is characterized in that the outer ledge profile of the absorption of workpieces block
For rectangle.
5. vacuum adsorption fixture according to claim 1, which is characterized in that the absorption of workpieces block adds equipped with camera hole
The periphery of work slot, the camera hole processing groove is equipped with annular air channel, and the annular air channel will be close to the camera hole processing groove
First stomata is connected to second stomata.
6. vacuum adsorption fixture according to claim 5, which is characterized in that the camera hole processing groove and the workpiece are inhaled
The minimum spacing range of attached piece of outer ledge is 1mm-4mm.
7. vacuum adsorption fixture according to claim 5, which is characterized in that the depth bounds of the annular air channel are 1mm-
10mm。
8. vacuum adsorption fixture according to any one of claims 1 to 7, which is characterized in that under the absorption of workpieces block
Surface offers opposite with the seal chamber position and sealing connection groove；The side of the fixed plate offers recess, institute
Aspirating hole is stated set on the recess.
9. vacuum adsorption fixture according to claim 8, which is characterized in that the bottom of the absorption of workpieces block is equipped with annular
Positioning step, the outer ledge of the positioning step protrudes from the outer ledge of the absorption of workpieces block.
10. vacuum adsorption fixture according to any one of claims 1 to 7, which is characterized in that the inside of the fixed plate is simultaneously
Row is provided with multiple seal chambers, and the lower surface of the absorption of workpieces block offers multiple and each seal chamber position one
The side wall of one groove for corresponding to and being connected, the seal chamber of the side wall of the groove corresponding thereto is tightly connected；It is described
The outside of fixed plate is equipped with multiple aspirating holes, and each aspirating hole is respectively corresponded with each seal chamber and is connected to.
11. vacuum adsorption fixture according to claim 9, which is characterized in that the lower surface of the positioning step is additionally provided with
For placing the seal groove of sealing ring.
12. vacuum adsorption fixture according to claim 9, which is characterized in that the bottom of the positioning step offers more
A threaded hole being not communicated with first stomata, the threaded hole are arranged close to the edge of the positioning step, the fixation
Offered on plate with the one-to-one mounting hole in screw thread hole site, the threaded hole and the installation are connected by fastener
Hole is with the fixation absorption of workpieces block.
13. vacuum adsorption fixture according to any one of claims 1 to 7, which is characterized in that the outer side edges of the fixed plate
Edge is equipped with the locating slot for fixing the position of the vacuum adsorption fixture.
14. vacuum adsorption fixture according to any one of claims 1 to 7, which is characterized in that first stomata with it is described
The minimum spacing range at the edge of absorption of workpieces block is 1mm-5mm.
15. vacuum adsorption fixture according to any one of claims 1 to 7, which is characterized in that first stomata and described
The aperture of second stomata is identical, and the pore diameter range is φ 1mm- φ 6mm.
16. vacuum adsorption fixture according to any one of claims 1 to 7, which is characterized in that the depth of second stomata
For 5mm-20mm；The depth bounds of the air channel are 1mm-10mm.
17. vacuum adsorption fixture according to any one of claims 1 to 7, which is characterized in that the height of the absorption of workpieces block
Degree range is 15mm-70mm.
18. vacuum adsorption fixture according to any one of claims 1 to 7, which is characterized in that the fixed plate and the work
Part Attraction block is Al-alloy parts or steel part or polymethyl methacrylate part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201822245509.9U CN209520802U (en) | 2018-12-28 | 2018-12-28 | A kind of vacuum adsorption fixture |
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| CN201822245509.9U CN209520802U (en) | 2018-12-28 | 2018-12-28 | A kind of vacuum adsorption fixture |
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| CN209520802U true CN209520802U (en) | 2019-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483442A (en) * | 2018-12-28 | 2019-03-19 | 汇专绿色工具有限公司 | A kind of vacuum adsorption fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483442A (en) * | 2018-12-28 | 2019-03-19 | 汇专绿色工具有限公司 | A kind of vacuum adsorption fixture |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200213 Address after: 510663 the first and second floors of gate machine building (Block C), Pinyao Electronic Industrial Park, No. 8, Yuner Road, south of Science City, Guangzhou high tech Industrial Development Zone, Guangdong Province Co-patentee after: SMARTGUY INTELLIGENT EQUIPMENT Co.,Ltd. GUANGZHOU BRANCH Patentee after: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Address before: 510663 Block C, Portal Machine Building, No. 8 Product Yao Electronic Industry Park, Nanyun No. 2 Road, Science City, Guangzhou High-tech Industrial Development Zone, Guangzhou, Guangdong Province Co-patentee before: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Patentee before: CONPROFE GREEN TOOLS Co.,Ltd. |
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| 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: 20191022 |