CN113021217A - Pneumatic auxiliary device for machining free-form surface thin-walled workpiece - Google Patents
Pneumatic auxiliary device for machining free-form surface thin-walled workpiece Download PDFInfo
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- CN113021217A CN113021217A CN202110294606.0A CN202110294606A CN113021217A CN 113021217 A CN113021217 A CN 113021217A CN 202110294606 A CN202110294606 A CN 202110294606A CN 113021217 A CN113021217 A CN 113021217A
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- rotatably connected
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- 238000003754 machining Methods 0.000 title description 8
- 239000004033 plastic Substances 0.000 claims description 9
- 230000002026 carminative effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 5
- 210000003437 trachea Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/005—Vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The embodiment of the invention provides a pneumatic auxiliary device for processing a free-form surface thin-wall part, which comprises: the support comprises a base, a T-shaped connecting rod, a first support arm, a second support arm and a third support arm; one end of the first support arm is rotatably connected with the top of the base, and the other end of the first support arm is rotatably connected with the vertical rod of the T-shaped connecting rod; one end of the second supporting arm is rotatably connected with one end of the horizontal rod of the T-shaped connecting rod, and the other end of the second supporting arm is rotatably connected with a pneumatic flexible clamp or a vacuum chuck; one end of the third supporting arm is rotatably connected with the other end of the horizontal rod of the T-shaped connecting rod, and the other end of the third supporting arm is rotatably connected with a pneumatic flexible clamp or a vacuum chuck. The base can be freely fixed on the workbench, the pneumatic flexible clamping jaw or the vacuum chuck can be adjusted to rotate to a proper supporting position through the spherical universal joint, and the pneumatic flexible clamping jaw and the vacuum chuck are in flexible contact with a thin-wall part, so that the surface of a workpiece cannot be damaged.
Description
Technical Field
The invention relates to the technical field of mechanical manufacturing, in particular to a pneumatic auxiliary device for machining a free-form surface thin-walled part.
Background
With the continuous development of aerospace technology, high-performance free-form surface aviation thin-wall parts are widely popular. The free-form surface thin-wall part is mostly made of titanium alloy, high-temperature alloy and other difficult-to-machine materials, has the characteristics of thin wall, low rigidity, complex molded surface, narrow machining area and the like, is easy to deform and vibrate during machining, and is difficult to ensure the machining quality and the machining precision.
In the processing process of the free-form surface thin-wall part, the auxiliary supporting device is a means for improving the rigidity of the thin-wall part and reducing processing deformation and vibration. Different auxiliary supporting devices are often needed for thin-wall parts with different profiles and different sizes, the auxiliary devices are mostly in rigid contact with a workpiece, the supporting devices are generally in surface contact with the processed thin-wall parts by glue or directly using bolts, the processed surfaces are inevitably damaged, and the processing precision is reduced.
The large-size free-form surface thin-wall part is mostly processed in different regions, and the rigidity of the workpiece can be further improved and the processing precision can be ensured by changing the contact position of the auxiliary supporting device and the processed surface in the processing process. However, the conventional auxiliary processing device is difficult to change the supporting position after being fixed and is difficult to use in a position with a narrow processing space.
Disclosure of Invention
The embodiment of the invention provides a pneumatic auxiliary device for machining a free-form surface thin-wall part, which overcomes the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme.
A pneumatic auxiliary device for processing a free-form surface thin-walled workpiece comprises: the support comprises a base, a T-shaped connecting rod, a first support arm, a second support arm and a third support arm;
one end of the first support arm is rotatably connected with the top of the base, and the other end of the first support arm is rotatably connected with the vertical rod of the T-shaped connecting rod;
one end of the second supporting arm is rotatably connected with one end of a horizontal rod of the T-shaped connecting rod, and the other end of the second supporting arm is rotatably connected with a pneumatic flexible clamp or a vacuum chuck;
one end of the third supporting arm is rotatably connected with the other end of the horizontal rod of the T-shaped connecting rod, and the other end of the third supporting arm is rotatably connected with a pneumatic flexible clamp or a vacuum chuck;
the first support arm, the second support arm and the third support arm respectively comprise a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are rotatably connected.
Preferably, one end of a first connecting rod in the first support arm is rotatably connected with the base, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is rotatably connected with a vertical rod of the T-shaped connecting rod;
one end of a first connecting rod of the second supporting arm is rotatably connected with one end of a horizontal rod of the T-shaped connecting rod, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is connected with the pneumatic flexible clamp or the vacuum chuck through the adapter;
one end of a first connecting rod of the third supporting arm is rotatably connected with the other end of a horizontal rod of the T-shaped connecting rod, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is connected with a pneumatic flexible clamp or a vacuum chuck through an adapter.
Preferably, three ends of the T-shaped connecting rod are all ball heads.
Preferably, the adapter is T type structure, has three end, and wherein one end is the bulb, and pneumatic flexible clamping jaw or vacuum chuck are connected to one end, and the trachea is connected to the other end.
Preferably, the first connecting rod and the second connecting rod are hollow sleeves, a locking shaft is arranged in each hollow sleeve, two ends of each locking shaft respectively extend out of two ends of each hollow sleeve, a plastic ball sleeve is arranged at one end of each locking shaft, and a gasket outer sleeve is arranged at the other end of each locking shaft;
the first connecting rod and the second connecting rod are connected through a fastening nut, a conical washer is arranged on the fastening nut, and the conical washer is in threaded connection with washer outer sleeves on the first connecting rod and the second connecting rod.
Preferably, the plastic ball sleeve is provided with a groove, a hole is formed in the groove, the groove is used for placing a ball head connected with the groove, the ball head and the groove form a spherical universal joint, and the connecting rod can rotate in all directions.
Preferably, there is an electromagnetic relay in the base, and its side and bottom surface are the plane and all can have magnetism, are used for fixing the optional position at the workstation.
Preferably, pneumatic flexible clamping jaws or vacuum suction cups are adopted according to different profiles and sizes of thin-wall pieces.
Preferably, the pneumatically flexible jaw comprises: the pneumatic clamping device comprises two rubber clamping plates for clamping, 2 clamping plate connecting rods, a cylinder, a pneumatic rod and a connecting rod, wherein the connecting rod is a foldable connecting rod, and the cylinder is provided with an air inlet and an air outlet;
two rubber splint fixed mounting respectively in the front end of 2 splint connecting rods, the rear end of two splint connecting rods rotates respectively and connects in the both sides of cylinder front end, and the connecting rod is located between two splint connecting rods, the connecting rod both ends respectively with two splint connecting rod fixed connection, the connecting rod is located the front end of cylinder and is connected with the cylinder through pneumatic stem, and the air inlet admits air, and the gas outlet is carminative to realize that the flexible two rubber splint of pneumatic stem clamp tightly or relax.
According to the technical scheme provided by the embodiment of the invention, the embodiment of the invention provides a pneumatic auxiliary device for processing a free-form surface thin-wall part, and the pneumatic auxiliary device has the following beneficial effects: the electromagnetic relay is arranged in the base, the side edge and the bottom surface of the electromagnetic relay are planes and can have magnetism, and the electromagnetic relay can be fixed at any position of the workbench, so that the limitation of a nut and a T-shaped groove is eliminated; the pneumatic flexible clamping jaw and the vacuum chuck can support any position of a workpiece through a plurality of spherical universal joints, and the supporting device can support the workpiece at a narrow position; the universal joint is fixed through the conical washer structure, so that the structure is simple; the pneumatic flexible clamping jaw and the vacuum chuck are in flexible contact with the workpiece, so that the surface of the workpiece is not damaged; the support device has two support modes of a vacuum chuck and a pneumatic flexible clamping jaw through the combination of the connecting rod and the adapter, the pneumatic flexible clamping jaw can be used for clamping the side edge position of a curved surface thin-wall part with larger curvature or a curved surface thin-wall part with small size, the vacuum chuck can be used for thin-wall parts with large size and difficult to clamp by the pneumatic flexible clamping jaw, and the application range is wide; pneumatic flexible clamping jaw (vacuum chuck) and trachea are connected through T type adapter, and vacuum chuck and pneumatic flexible clamping jaw only need be connected with the adapter and can be used for this strutting arrangement, and it is convenient to change the device.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a pneumatic auxiliary device for processing a free-form surface thin-walled workpiece according to an embodiment of the present invention;
FIG. 2 is a schematic view of a base provided in accordance with an embodiment of the present invention;
FIG. 3 is an exploded view of a first support arm, a second support arm, and a third support arm provided by embodiments of the present invention;
figure 4 is a schematic diagram of an adapter according to an embodiment of the present invention;
figure 5 is a cross-sectional view of an adapter according to an embodiment of the present invention;
FIG. 6 is a schematic view of a pneumatically flexible jaw provided by an embodiment of the present invention;
FIG. 7 is a schematic view of a vacuum chuck provided in accordance with an embodiment of the present invention;
fig. 8 is a cross-sectional view of a vacuum chuck provided in accordance with an embodiment of the present invention.
Reference numerals:
1. a base; 2. a knob; 3. a first link; 4. fastening a nut; 5. a ball joint; 6. a plastic ball sleeve; 7. a T-shaped connecting rod; 8. an adapter; 9. a pneumatic flexible jaw; 10. a vacuum chuck; 11. a second link; 2-1, a locking shaft; 2-2, a conical washer; 2-3, a gasket sleeve; 3-1, rubber splints; 3-2, a splint connecting rod; 3-3, an air inlet; 3-4, a cylinder; 3-5, an air outlet; 3-6, a pneumatic rod; 3-7, connecting rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
For the convenience of understanding the embodiments of the present invention, the following description will be further explained by taking several specific embodiments as examples in conjunction with the drawings, and the embodiments are not to be construed as limiting the embodiments of the present invention.
The embodiment of the invention provides a pneumatic auxiliary device for processing a free-form surface thin-wall part, which comprises the following components in percentage by weight as shown in figure 1: the support comprises a base 1, a T-shaped connecting rod 7, a first supporting arm, a second supporting arm and a third supporting arm, wherein three end parts of the T-shaped connecting rod 7 are all ball heads. The first support arm, the second support arm and the third support arm respectively comprise a first connecting rod 3 and a second connecting rod 11. One end of a first connecting rod in the first supporting arm is rotatably connected with the top of the base, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is rotatably connected with a vertical rod of the T-shaped connecting rod; one end of a first connecting rod in the second supporting arm is rotatably connected with one end of a horizontal rod of the T-shaped connecting rod, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is connected with a pneumatic flexible clamp 9 or a vacuum chuck 10 through an adapter; one end of a first connecting rod in the third supporting arm is rotatably connected with the other end of a horizontal rod of the T-shaped connecting rod, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is connected with a pneumatic flexible clamp 9 or a vacuum chuck 10 through an adapter. The adapter is T type structure, and wherein one end is the bulb, and pneumatic flexible clamping jaw or vacuum chuck are connected to one end in the other both ends, and the trachea is connected to the other end.
The supporting device can be freely fixed, the pneumatic flexible clamping jaw 9 or the vacuum chuck 10 can be rotated to any proper position to support a workpiece, and the pneumatic flexible clamping jaw 9 or the vacuum chuck 10 is adopted to be in contact with the workpiece according to the characteristics of different sizes and profiles of thin-wall parts, so that the purpose of auxiliary supporting is achieved.
As shown in fig. 2, an electromagnetic relay is arranged in a base 1, a knob 2 is arranged on the front surface of the base, the side edge and the bottom surface of the base are smooth and can have magnetism, and the switch of the knob 2 controls the magnetism to be present or absent, so that the base 1 can be adsorbed and fixed at any position of a workbench, and the mode of fixing a clamp through a fixing nut and a T-shaped groove is eliminated.
As shown in fig. 3, the first link 3 and the second link 11 are rotatably connected. The first connecting rod 3 and the second connecting rod 11 are hollow sleeves, locking shafts 2-1 are arranged in the hollow sleeves, and two ends of each locking shaft 2-1 extend out of two ends of each hollow sleeve respectively. One end of the locking shaft 2-1 is provided with a plastic ball sleeve 6, a hole is arranged in the groove of the plastic ball sleeve 6, and the other end of the locking shaft is provided with a gasket outer sleeve 2-3. The first connecting rod 3 is connected with the second connecting rod 11 through a fastening nut 4, a conical washer 2-2 is arranged on the fastening nut 4, and the conical washer 2-2 is in threaded connection with a washer outer sleeve 2-3. The groove on the plastic ball sleeve 6 and the ball head on the connecting piece are grouped into a spherical universal joint 5, so that the connecting rod can rotate in all directions, and the auxiliary supporting device realizes the rotation of the pneumatic flexible clamping jaw 9 and the vacuum chuck 10 in all directions through a plurality of universal joints.
In the embodiment of the invention, one end of the locking shaft 2-1 is contacted with the ball head part of the ball universal joint 5 through a hole in a groove of the plastic ball sleeve 6, and the other end is contacted with the conical washer 2-2 in the fastening nut 4. The fastening nut 4 is inserted into the washer jackets 2-3 of the first connecting rod 3 and the second connecting rod 11, the conical washer 2-2 is positioned in the two washer jackets 2-3, the fastening nut 4 is screwed, the conical washer 2-2 is pushed, the locking shaft 2-1 is separated from or contacted with the ball universal joint 5, and the ball universal joint 5 adjacent to the fastening nut 4 can be loosened or fixed.
In the embodiment of the invention, three ends of the T-shaped connecting rod 7 are all spherical universal joint ball heads. The pneumatic flexible clamping jaw 9 can be used for clamping the side edge position with larger curvature or small size, and the vacuum chuck 10 can be used for thin-wall parts with large size and difficult support by the pneumatic flexible clamping jaw 9, so that the application range is wide.
As shown in fig. 4 and 5, the adapter 8 is a T-shaped structure, one end of the adapter is a ball head part of the ball-shaped universal joint 5, the other two ends of the adapter are provided with a threaded boss and a threaded groove, the threaded boss and the threaded groove are respectively connected with the pneumatic flexible clamping jaw 9 (or the vacuum chuck 10) and the air pipe through threads, the vacuum chuck 10 and the pneumatic flexible clamping jaw 9 only need to be connected with the adapter 8 to be used for the supporting device, and the device replacement is convenient.
As shown in fig. 6, the pneumatically flexible jaw comprises: the clamp comprises two rubber clamping plates 3-1 for clamping, 2 clamping plate connecting rods 3-2, a cylinder 3-4, a pneumatic rod 3-6 and a connecting rod 3-7, wherein the connecting rod 3-7 is a foldable connecting rod, and an air inlet 3-3 and an air outlet 3-5 are arranged on the cylinder 3-4. Two rubber clamping plates 3-1 are respectively and fixedly arranged at the front ends of 2 clamping plate connecting rods 3-2, the rear ends of the two clamping plate connecting rods 3-2 are respectively and rotatably connected to two sides of the front end of the air cylinder, a connecting rod 3-7 is positioned between the two connecting rods 3-2, two ends of the connecting rod are fixedly connected with the two clamping plate connecting rods 3-2, the connecting rod 3-7 is positioned at the front end of the air cylinder 3-4 and is connected with the air cylinder 3-4 through a pneumatic rod 3-6, air is fed from an air inlet 3-3, and air is exhausted from an air outlet 3-5, so that the two rubber clamping plates 3-1 are clamped or loosened by stretching of the pneumatic rod. Specifically, when the air inlet 3-3 is used for air inlet and the air outlet 3-5 is used for air exhaust, the pneumatic rod 3-6 stretches towards the inside of the air cylinder 3-4, so that the pneumatic rod 3-6 drives the connecting rod 3-7 to move towards the air cylinder 3-4, the connecting rod 3-7 drives the clamping plate connecting rod 3-2 to move towards the inner side, and the clamping of the rubber clamping plate 3-1 on a workpiece is realized. When the air inlet direction is opposite to the air outlet direction, the pneumatic flexible clamping jaw 9 can release the workpiece. The part of the pneumatic clamping jaw 9, which is contacted with the thin-wall workpiece, is the rubber clamping plate 3-1, the rubber clamping plate 3-1 is in flexible contact with the thin-wall workpiece, and can elastically deform to clamp the workpiece with any profile without damaging the surface of the workpiece.
As shown in fig. 7 and 8, the bottom surface of the vacuum chuck 10 is made of elastic rubber and is in flexible contact with the workpiece, so that the surface of the workpiece is not damaged. When low-pressure gas is introduced into the gas inlet of the thin-wall part, the thin-wall part can be in contact with the workpiece, and the rigidity of the thin-wall part can be improved after the whole supporting device is fixed. Vacuum chuck passes through adapter 8 and is connected with whole auxiliary stay device, and the sucking disc damages the back, and it is convenient to change.
The embodiment of the invention provides a using method of a pneumatic auxiliary device for processing a free-form surface thin-wall part, which comprises the following steps:
when the device is used, the side surface or the bottom surface of the base 1 is contacted with the workbench to fix the base. The pneumatic flexible clamping jaw or the vacuum chuck is selected to support the workpiece according to the profile and the size characteristics of the workpiece, the pneumatic flexible clamping jaw 9 can be used for clamping the side edge position with larger curvature or small size, and the vacuum chuck 10 can be used for large-size thin-wall parts which are difficult to support by the pneumatic flexible clamping jaw 9. After the supporting device is selected, the single pneumatic flexible clamping jaw 9 can be used for single-side clamping (or single-side adsorption of the single vacuum chuck 10), and the double pneumatic flexible clamping jaw 9 can also be used for double-side clamping (or double-side adsorption of the double vacuum chuck 10) to improve the stability. And rotating each connecting rod to rotate the pneumatic flexible clamping jaw 9 or the vacuum chuck 10 to a non-interference proper position, rotating each clamping nut 4 to fix the whole auxiliary supporting device, and starting the air pump to enable the rubber clamping plate 3-1 or the vacuum chuck 10 to be in contact with the thin-wall part. In order to improve the processing rigidity of the workpiece and ensure the processing precision, the workpiece can be supported at different positions in the partition processing process. When the workpiece is processed to the approximate clamping position, the support device is readjusted to contact the processed or other unprocessed position.
In summary, according to the pneumatic auxiliary device for processing the free-form surface thin-walled part provided by the embodiment of the invention, the connecting rod can rotate at any angle under the action of the spherical universal joint, and can be used in positions where the space for processing an impeller, a blade disc and the like is narrow and other auxiliary supporting devices are difficult to support; the flexible contact structure is in flexible contact with the workpiece at the contact position, does not damage the surface of the workpiece, and is suitable for thin-wall parts with different profiles and sizes; the invention combines the connecting rod and the adapter to ensure that the supporting device has two supporting modes of a vacuum chuck and a pneumatic flexible clamping jaw, and can also adopt double vacuum chucks or double pneumatic flexible clamping jaws simultaneously. The thin-wall part is supported by the vacuum chuck or the pneumatic flexible clamping jaw according to the characteristics of different sizes and profiles of the thin-wall part, so that the application range is wide; according to the invention, the ball-shaped universal joint is connected with the pneumatic flexible clamping jaw (or the vacuum chuck) and the air pipe through the adapter, one end of the adapter is connected with the ball-shaped universal joint, and the other two ends of the adapter are connected with the pneumatic flexible clamping jaw (or the vacuum chuck) and the air pipe, so that the device replacement is simple and convenient; the electromagnetic relay is arranged in the base, the side edge and the bottom surface of the electromagnetic relay are planes and can have magnetism, and the electromagnetic relay can be fixed at any position of a workbench; in order to ensure the stability of the whole auxiliary supporting device, the connecting rod closer to the base has larger diameter and shorter length.
Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for apparatus or system embodiments, since they are substantially similar to method embodiments, they are described in relative terms, as long as they are described in partial descriptions of method embodiments. The above-described embodiments of the apparatus and system are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a pneumatic auxiliary device of free-form surface thin wall spare processing which characterized in that includes: the support comprises a base, a T-shaped connecting rod, a first support arm, a second support arm and a third support arm;
one end of the first support arm is rotatably connected with the top of the base, and the other end of the first support arm is rotatably connected with the vertical rod of the T-shaped connecting rod;
one end of the second supporting arm is rotatably connected with one end of a horizontal rod of the T-shaped connecting rod, and the other end of the second supporting arm is rotatably connected with a pneumatic flexible clamp or a vacuum chuck;
one end of the third supporting arm is rotatably connected with the other end of the horizontal rod of the T-shaped connecting rod, and the other end of the third supporting arm is rotatably connected with a pneumatic flexible clamp or a vacuum chuck;
the first support arm, the second support arm and the third support arm respectively comprise a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are rotatably connected.
2. The device according to claim 1, wherein one end of a first connecting rod in the first supporting arm is rotatably connected with the base, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is rotatably connected with a vertical rod of the T-shaped connecting rod;
one end of a first connecting rod of the second supporting arm is rotatably connected with one end of a horizontal rod of the T-shaped connecting rod, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is connected with the pneumatic flexible clamp or the vacuum chuck through the adapter;
one end of a first connecting rod of the third supporting arm is rotatably connected with the other end of a horizontal rod of the T-shaped connecting rod, the other end of the first connecting rod is rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod is connected with a pneumatic flexible clamp or a vacuum chuck through an adapter.
3. The device of claim 2, wherein three ends of the T-shaped connecting rod are each a ball head.
4. A device as claimed in claim 2 or 3, wherein the adaptor is of T-shaped configuration having three ends, one of which is a ball head, one of which is connected to a pneumatically flexible jaw or vacuum chuck and the other of which is connected to an air tube.
5. The device as claimed in claim 4, wherein the first and second connecting rods are hollow sleeves, and have locking shafts therein, both ends of the locking shafts extending out of both ends of the hollow sleeves, respectively, one end of the locking shaft being provided with a plastic ball sleeve, and the other end thereof being provided with a washer sleeve;
the first connecting rod and the second connecting rod are connected through a fastening nut, a conical washer is arranged on the fastening nut, and the conical washer is in threaded connection with washer outer sleeves on the first connecting rod and the second connecting rod.
6. The device of claim 5, wherein the plastic ball sleeve has a recess with a hole therein, the recess is used for placing a ball head connected with the recess, and the ball head and the recess form a ball joint, so that the connecting rod can rotate in all directions.
7. The apparatus of claim 1, wherein the base has an electromagnetic relay therein, and the side and bottom surfaces thereof are planar and both magnetic for fixing at any position of the table.
8. The device according to claim 1, characterized in that according to different profiles and sizes of thin-walled pieces, pneumatic flexible clamping jaws or vacuum suction cups are adopted.
9. The apparatus of claim 1, wherein the pneumatically flexible jaw comprises: the pneumatic clamping device comprises two rubber clamping plates for clamping, 2 clamping plate connecting rods, a cylinder, a pneumatic rod and a connecting rod, wherein the connecting rod is a foldable connecting rod, and the cylinder is provided with an air inlet and an air outlet;
two rubber splint fixed mounting respectively in the front end of 2 splint connecting rods, the rear end of two splint connecting rods rotates respectively and connects in the both sides of cylinder front end, and the connecting rod is located between two splint connecting rods, the connecting rod both ends respectively with two splint connecting rod fixed connection, the connecting rod is located the front end of cylinder and is connected with the cylinder through pneumatic stem, and the air inlet admits air, and the gas outlet is carminative to realize that the flexible two rubber splint of pneumatic stem clamp tightly or relax.
Priority Applications (1)
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CN202110294606.0A CN113021217A (en) | 2021-03-19 | 2021-03-19 | Pneumatic auxiliary device for machining free-form surface thin-walled workpiece |
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CN202110294606.0A CN113021217A (en) | 2021-03-19 | 2021-03-19 | Pneumatic auxiliary device for machining free-form surface thin-walled workpiece |
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CN202110294606.0A Pending CN113021217A (en) | 2021-03-19 | 2021-03-19 | Pneumatic auxiliary device for machining free-form surface thin-walled workpiece |
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CN114261077A (en) * | 2021-11-01 | 2022-04-01 | 苏州研鹏亮智能设备有限公司 | Automatic film lifting mechanism |
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CN114261077A (en) * | 2021-11-01 | 2022-04-01 | 苏州研鹏亮智能设备有限公司 | Automatic film lifting mechanism |
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