CN110733886B - Vacuum suction plate structure - Google Patents
Vacuum suction plate structure Download PDFInfo
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- CN110733886B CN110733886B CN201910942448.8A CN201910942448A CN110733886B CN 110733886 B CN110733886 B CN 110733886B CN 201910942448 A CN201910942448 A CN 201910942448A CN 110733886 B CN110733886 B CN 110733886B
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- suction plate
- side cover
- main body
- sucker
- plate main
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- 238000007789 sealing Methods 0.000 claims abstract description 43
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 28
- 239000010935 stainless steel Substances 0.000 claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/918—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers with at least two picking-up heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manipulator (AREA)
Abstract
The invention relates to the technical field of mechanical structures, in particular to a vacuum suction plate structure. The suction plate main body and the left and right side covers adopt an embedded design, the side cover sealing gasket is embedded into the sealing gasket positioning groove on the bottom surface of the groove firstly, and the suction plate main body is embedded into the side cover groove and fastened with the suction plate main body through the fixing screws on the end surfaces of the side covers. The stainless steel ball is self-adaptively adjusted in position in the stepped hole according to the vacuum suction force, and the sucker component is in threaded connection with the internal thread of the through hole of the sucker pressing bar through the external thread of the sucker fixing nut and is sealed through the annular sealing ring; the filter screen is arranged between the sucker fixing nut and the throttle valve and is positioned on an air channel of the sucker fixing nut and the throttle valve to filter air, so that dust impurities in the air are prevented from being sucked into the suction plate through the air channel to influence a vacuum control element after being blocked, and damage and action failure are prevented.
Description
Technical Field
The invention relates to the technical field of mechanical structures, in particular to a vacuum suction plate structure.
Background
The vacuum suction plate is applied to the goods handling industry, great requirements are provided for the performance stability of the vacuum suction plate, and once the performance is unstable, great economic losses can be met. At present, the performance of the vacuum suction plate on the market is unstable, so that the application of the vacuum suction plate is blocked, and the vacuum suction plate is not beneficial to popularization.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide a vacuum suction plate structure which is simple in structure and relatively stable in performance.
In order to solve the technical problems, the invention adopts the technical scheme that:
the vacuum suction plate structure comprises a suction plate and a sucker assembly;
the suction plate comprises a left side cover, a suction plate main body, a nut block, a right side cover, a side cover sealing gasket, a screw, a stainless steel ball, a sucker pressing bar and a sealing ring; the suction plate main body is a hollow shell with openings at two opposite ends, the left side cover and the right side cover are respectively arranged at the openings at two ends of the suction plate main body, grooves matched with the end parts of the suction plate main body are respectively arranged on one side surface of the left side cover close to the suction plate main body and one side surface of the right side cover close to the suction plate main body, two end parts of the suction plate main body are respectively embedded into the grooves of the left side cover and the right side cover, and two side cover sealing gaskets are respectively embedded into the grooves of the left side cover and the right side cover and are respectively positioned between the left side cover and the suction plate main body and between the right side cover and the suction plate main body;
the sucker pressing strip is fixedly arranged on the lower surface of the sucker main body through a screw, a stepped hole is formed in the lower surface of the sucker main body, a through hole with an internal thread is formed in the position, corresponding to the step, of the sucker pressing strip, the stepped hole is communicated with the through hole, an annular groove surrounding the through hole is formed in the contact surface of the sucker pressing strip and the lower surface of the sucker main body, the sealing ring is arranged in the annular groove, the stainless steel balls are arranged in the large holes in the stepped hole, the diameters of the stainless steel balls are larger than those of the small holes in the stepped hole and the through hole, and the depth of the large holes in the stepped hole is larger than that of the stainless steel balls;
the sucker component comprises a sucker fixing nut, an annular sealing ring, a filter screen, a throttle valve and a vacuum sucker;
vacuum chuck has an inlet end and an end of giving vent to anger, the choke valve is coaxial to be inlayed and to be located give vent to anger and serve just choke valve one end extends to give vent to anger the end outside, sucking disc fixation nut installs and is served at giving vent to anger, the filter screen sets up just be located between sucking disc fixation nut and the choke valve on the terminal surface of choke valve one end, sucking disc fixation nut's lateral wall be equipped with the external screw thread of the internal thread looks adaptation of the through-hole of sucking disc layering, sucking disc layering and sucking disc fixation nut's junction is located to the ring packing cover, and outside gas loops through vacuum chuck's inlet end, choke valve, sucking disc fixation nut and sucking disc layering.
The invention has the beneficial effects that:
the invention provides a vacuum suction plate structure, wherein a suction plate main body and a left side cover and a right side cover adopt an embedded design, the matching surfaces of the side covers and the main body are processed into grooves with the shapes which are basically consistent with the end surfaces of a suction plate main board, the bottom surfaces of the grooves are processed into sealing grooves, side cover sealing gaskets are firstly embedded into sealing gasket positioning grooves on the bottom surfaces of the grooves, and then the suction plate main body is embedded into the side cover grooves and is fastened with the suction plate main body through fixing screws on the end surfaces. The structure can enhance the strength of the suction plate main body, prevent the problem of unsealing caused by stress deformation in the use process of the suction plate main plate and prevent the problem of unsealing caused by the displacement of the sealing gasket in the long-term use process. The stainless steel ball is self-adaptively adjusted in position in the stepped hole according to the vacuum suction force, and the sucker component is in threaded connection with the internal thread of the through hole of the sucker pressing bar through the external thread of the sucker fixing nut and is sealed through the annular sealing ring; the filter screen is arranged between the sucker fixing nut and the throttle valve and positioned on an air channel of the sucker fixing nut and the throttle valve to filter air, so that dust impurities in the air are prevented from being sucked into the suction plate through the air channel and influencing a vacuum control element after being blocked, and damage and action failure are prevented; meanwhile, the throttle valve is arranged at the air outlet end of the vacuum sucker, plays a role in throttling and limiting current, simultaneously enhances the strength of the vacuum sucker connecting head, limits the deformation of the vacuum sucker connecting head, and prevents the vacuum sucker from being pulled out due to the action of the self weight of a conveyed object when the vacuum sucker works under a higher vacuum degree. The vacuum suction plate structure provided by the invention has the characteristics of simple structure and stable performance.
Drawings
FIG. 1 is a schematic structural view of a vacuum suction plate structure according to the present invention;
FIG. 2 is a plan view of a suction plate of the vacuum suction plate structure of the present invention;
FIG. 3 is a cross-sectional view showing a structure of a vacuum suction plate according to the present invention;
FIG. 4 is an enlarged view of FIG. 1 at A;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is an exploded view of the chuck assembly of the vacuum suction plate structure of the present invention;
FIG. 7 is a cross-sectional view showing a chuck assembly of the vacuum suction plate structure of the present invention;
description of reference numerals:
1. a left side cover; 2. a suction plate main body; 3. a nut block; 4. a right side cover; 5. a vacuum chuck; 6. the sucker fixes the nut; 7. a throttle valve; 8. a side cover gasket; 9. a screw; 10. stainless steel balls; 11. pressing a strip by a sucker; 12. an annular seal ring; 13. a seal ring; 14. and (4) a filter screen.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1-7, a vacuum suction plate structure of the present invention includes a suction plate and a suction cup assembly;
the suction plate comprises a left side cover, a suction plate main body, a nut block, a right side cover, a side cover sealing gasket, a screw, a stainless steel ball, a sucker pressing bar and a sealing ring; the suction plate main body is a hollow shell with openings at two opposite ends, the left side cover and the right side cover are respectively arranged at the openings at two ends of the suction plate main body, grooves matched with the end parts of the suction plate main body are respectively arranged on one side surface of the left side cover close to the suction plate main body and one side surface of the right side cover close to the suction plate main body, two end parts of the suction plate main body are respectively embedded into the grooves of the left side cover and the right side cover, and two side cover sealing gaskets are respectively embedded into the grooves of the left side cover and the right side cover and are respectively positioned between the left side cover and the suction plate main body and between the right side cover and the suction plate main body;
the sucker pressing strip is fixedly arranged on the lower surface of the sucker main body through a screw, a stepped hole is formed in the lower surface of the sucker main body, a through hole with an internal thread is formed in the position, corresponding to the step, of the sucker pressing strip, the stepped hole is communicated with the through hole, an annular groove surrounding the through hole is formed in the contact surface of the sucker pressing strip and the lower surface of the sucker main body, the sealing ring is arranged in the annular groove, the stainless steel balls are arranged in the large holes in the stepped hole, the diameters of the stainless steel balls are larger than those of the small holes in the stepped hole and the through hole, and the depth of the large holes in the stepped hole is larger than that of the stainless steel balls;
the sucker component comprises a sucker fixing nut, an annular sealing ring, a filter screen, a throttle valve and a vacuum sucker;
vacuum chuck has an inlet end and an end of giving vent to anger, the choke valve is coaxial to be inlayed and to be located give vent to anger and serve just choke valve one end extends to give vent to anger the end outside, sucking disc fixation nut installs and is served at giving vent to anger, the filter screen sets up just be located between sucking disc fixation nut and the choke valve on the terminal surface of choke valve one end, sucking disc fixation nut's lateral wall be equipped with the external screw thread of the internal thread looks adaptation of the through-hole of sucking disc layering, sucking disc layering and sucking disc fixation nut's junction is located to the ring packing cover, and outside gas loops through vacuum chuck's inlet end, choke valve, sucking disc fixation nut and sucking disc layering.
From the above description, the beneficial effects of the present invention are:
the invention provides a vacuum suction plate structure, wherein a suction plate main body and a left side cover and a right side cover adopt an embedded design, the matching surfaces of the side covers and the main body are processed into grooves with the shapes which are basically consistent with the end surfaces of a suction plate main board, the bottom surfaces of the grooves are processed into sealing grooves, side cover sealing gaskets are firstly embedded into sealing gasket positioning grooves on the bottom surfaces of the grooves, and then the suction plate main body is embedded into the side cover grooves and is fastened with the suction plate main body through fixing screws on the end surfaces. The structure can enhance the strength of the suction plate main body, prevent the problem of unsealing caused by stress deformation in the use process of the suction plate main plate and prevent the problem of unsealing caused by the displacement of the sealing gasket in the long-term use process. The stainless steel ball is self-adaptively adjusted in position in the stepped hole according to the vacuum suction force, and the sucker component is in threaded connection with the internal thread of the through hole of the sucker pressing bar through the external thread of the sucker fixing nut and is sealed through the annular sealing ring; the filter screen is arranged between the sucker fixing nut and the throttle valve and positioned on an air channel of the sucker fixing nut and the throttle valve to filter air, so that dust impurities in the air are prevented from being sucked into the suction plate through the air channel and influencing a vacuum control element after being blocked, and damage and action failure are prevented; meanwhile, the throttle valve is arranged at the air outlet end of the vacuum sucker, plays a role in throttling and limiting current, simultaneously enhances the strength of the vacuum sucker connecting head, limits the deformation of the vacuum sucker connecting head, and prevents the vacuum sucker from being pulled out due to the action of the self weight of a conveyed object when the vacuum sucker works under a higher vacuum degree.
Furthermore, threaded holes are formed in the left side cover and the right side cover, and screws penetrate through the threaded holes to fixedly install the left side cover and the right side cover on the two end portions of the suction plate main body respectively so as to close the openings at the two ends of the suction plate main body.
As can be seen from the above description, the left side cover and the right side cover are fixedly mounted on the two end portions of the suction plate main body by screws, so as to facilitate disassembly and assembly, and facilitate maintenance and replacement.
Furthermore, the inner side wall of the upper part of the through hole is integrally formed with a protruding part extending towards the center of the through hole.
From the above description, it can be known that the shape of the circular edge at the upper part of the original through hole is changed, so that the contact surface between the circular edge and the spherical stainless steel ball cannot be completely sealed, and a gap exists, so as to ensure that the air flow channel is not blocked.
Furthermore, the number of the protruding parts is three, the three protruding parts are correspondingly arranged at the circumferential trisection point positions of the through hole, and the diameter of a circular surface formed by sequentially connecting the three protruding parts is smaller than that of the stainless steel ball.
From the above description, it can be seen that the structure is more stable, the air flow is more balanced, and the stainless steel ball can be kept on the central axis of the through hole as much as possible.
Further, the air inlet end of the vacuum chuck is of a corrugated structure.
From the above description, it can be known that the vacuum chuck has a corrugated structure, which can achieve a good height compensation effect and meet the requirement of the workpiece with uneven surface.
Further, sucking disc fixation nut includes the nut body, a hollow first cylinder of an inside of up end integrated into one piece of nut body, the external screw thread sets up on the lateral surface of first cylinder, the lower terminal surface of nut body has the opening, the inside extension in open-ended border forms a joint portion, be equipped with the draw-in groove with joint looks adaptation on the lateral wall of the end of giving vent to anger of vacuum chuck.
From the above description, through the installation cooperation of joint portion and draw-in groove, realize that sucking disc fixation nut installs on vacuum chuck's the end of giving vent to anger.
Further, the throttle valve comprises a second cylinder with a hollow inner part, a first disc-shaped part is integrally formed on the upper surface of the second cylinder, a second inverted cone-shaped part is integrally formed on the lower surface of the second cylinder, the outer diameter of the cross section of the second cylinder is equal to the diameter of the cross section of the air outlet end of the vacuum chuck, the diameter of the first part is larger than that of the cross section of the air outlet end of the vacuum chuck, and the maximum diameter of the second part is larger than that of the cross section of the air outlet end of the vacuum chuck.
According to the structure, the throttle valve can be stably embedded on the air outlet end of the vacuum chuck, and the assembling structure is stable.
Furthermore, a plurality of uniformly distributed meshes are arranged on the filter screen, and the aperture of each mesh is smaller than the particle size of dust impurities in the air.
As can be seen from the above description, according to the above structure, the air filtration is performed, and dust impurities in the air are prevented from being sucked into the vacuum cavity through the air channel, and the vacuum control element is prevented from being influenced after the air is blocked, so that the damage and the action failure are caused.
Referring to fig. 1 to 7, a first embodiment of the present invention is:
the invention discloses a vacuum suction plate structure, which comprises a suction plate and a sucker assembly;
the suction plate comprises a left side cover 1, a suction plate main body 2, a nut block 3, a right side cover 4, a side cover sealing gasket 8, a screw 9, a stainless steel ball 10, a suction disc pressing strip 11 and a sealing ring 13; the suction plate main body 2 is a hollow shell with openings at two opposite ends, and the shell is in a strip-shaped cuboid shape and is integrally formed by metal materials. The left side cover 1 and the right side cover 4 are respectively arranged at openings at two ends of the suction plate main body 2, grooves matched with the end parts of the suction plate main body are respectively arranged on one side surface of the left side cover 1 close to the suction plate main body and one side surface of the right side cover 4 close to the suction plate main body, two end parts of the suction plate main body are respectively embedded into the grooves of the left side cover and the right side cover, and two side cover sealing gaskets 8 are respectively embedded into the grooves of the left side cover and the right side cover and are respectively positioned between the left side cover and the suction plate main body and between the right side cover and the suction plate main body;
the nut block 3 is arranged on the upper surface of the suction plate main body, and an internal thread hole is formed in the nut block 3 and is used for being in threaded connection with the fixed connecting support to achieve fixing; sucking disc layering 11 passes through 9 fixed mounting of screw at the lower surface of suction disc main part 2, the lower surface of suction disc main part 2 is equipped with the shoulder hole, specifically is the two-stage shoulder hole, and two upper and lower apertures are different, are macropore and aperture respectively, the position that the sucking disc layering corresponds the ladder is equipped with and has the internal screw thread through-hole just shoulder hole and through-hole intercommunication each other, be equipped with the ring channel around the through-hole on the contact surface of sucking disc layering and suction disc main part's lower surface, ring channel, shoulder hole and through-hole are coaxial setting, and wherein the internal diameter of ring channel is the biggest, that is to say, the projection of three at sucking disc layering upper surface, and the ring channel is located the outer periphery, can be right the sucking disc layering seals with the seam crossing of suction disc main. In the specific implementation process, the sucker pressing strips with different lengths are selected according to the lengths of the suction plates, meanwhile, the sucker pressing strips are alternately arranged in a straight line and at even intervals along the length direction according to the mounting holes and the through holes, and the mounting holes are used for mounting the screws 9.
The sealing ring 13 is arranged in the annular groove, the sealing ring is made of rubber and has certain elasticity, the annular groove is filled with the sealing ring when the sealing ring is placed in the annular groove, and part of the sealing ring overflows.
The stainless steel ball 10 is arranged in a large hole in the stepped hole, the diameter of the stainless steel ball 10 is larger than that of the small hole in the stepped hole and that of the through hole, and the hole depth of the large hole in the stepped hole is larger than that of the stainless steel ball;
the sucker component comprises a sucker fixing nut 6, an annular sealing ring 12, a filter screen 14, a throttle valve 7 and a vacuum sucker 5;
All be equipped with the screw hole on left side lid 1 and the right side lid 4, pass the screw hole through the screw and respectively with left side lid and right side lid fixed mounting on the both ends of suction disc main part in order to seal the both ends opening of suction disc main part. The left side cover and the right side cover are fixedly arranged at the two end parts of the suction plate main body through screws, so that the suction plate is convenient to disassemble and assemble and is convenient to maintain and replace.
The inner side wall of the upper part of the through hole is integrally formed with a protruding part extending towards the center of the through hole. The shape of the circular edge at the upper part of the original through hole is changed, so that the contact surface of the circular edge and the spherical stainless steel ball cannot be completely sealed, and a gap exists, so that the air flow channel is not blocked. The number of the protruding parts is three, the three protruding parts are correspondingly arranged at the circumferential trisection points of the through hole, and the diameter of a circular surface formed by sequentially connecting the three protruding parts is smaller than that of the stainless steel ball. The structure is more stable, and the air current is more balanced, can make the stainless steel ball keep on the central axis of through-hole as far as possible.
The air inlet end of the vacuum chuck is of a corrugated structure, so that a good height compensation effect can be achieved, and the requirement of workpieces with uneven surfaces of conveyed objects can be met.
The sucking disc fixation nut includes the nut body, a hollow first cylinder in the up end integrated into one piece of nut body, the external screw thread sets up on the lateral surface of first cylinder, the lower terminal surface of nut body has the opening, the inside extension in open-ended border forms a joint portion, be equipped with the draw-in groove with joint looks adaptation on the lateral wall of the end of giving vent to anger of vacuum chuck. Through the installation cooperation of joint portion and draw-in groove, realize that sucking disc fixation nut installs on vacuum chuck's the end of giving vent to anger. The annular sealing ring 12 is specifically located at the joint of the first cylinder and the upper end face of the nut body.
The throttle valve comprises a hollow second cylinder, a first disc-shaped part is integrally formed on the upper surface of the second cylinder, a second inverted cone-shaped part is integrally formed on the lower surface of the second cylinder, the outer diameter of the cross section of the second cylinder is equal to the diameter of the cross section of the air outlet end of the vacuum chuck, the diameter of the first part is larger than that of the cross section of the air outlet end of the vacuum chuck, and the maximum diameter of the second part is larger than that of the cross section of the air outlet end of the vacuum chuck. According to above-mentioned structure, the choke valve can be stably inlayed and establish on vacuum chuck's the end of giving vent to anger, and assembly structure is comparatively stable.
The filter screen is provided with a plurality of uniformly distributed meshes, and the aperture of each mesh is smaller than the particle size of dust impurities in the air. According to above-mentioned structure, play filtered air, prevent that the dust impurity in the air from passing through the air passage and inhaling in the vacuum cavity, influence the vacuum control component after blockking up, cause damage and action inefficacy.
According to the vacuum suction plate structure designed by the invention, in the experimental process, when the vacuum is powered off, the pressure can be maintained for 3min, the response time of abnormal treatment can be met, 26 kg of suction force can be provided (remark: the suction force can be customized), and the carrying requirements of various working conditions can be met.
In summary, in the vacuum suction plate structure provided by the present invention, the suction plate main body and the left and right side covers adopt an embedded design, the matching surface of the side covers and the main body is processed into a groove with a shape substantially identical to the end surface of the suction plate main board, the bottom surface of the groove is processed into a sealing groove, the side cover sealing gasket is firstly embedded into the sealing gasket positioning groove on the bottom surface of the groove, and then the suction plate main body is embedded into the side cover groove and fastened with the suction plate main body through the fixing screw on the end surface of. The structure can enhance the strength of the suction plate main body, prevent the problem of unsealing caused by stress deformation in the use process of the suction plate main plate and prevent the problem of unsealing caused by the displacement of the sealing gasket in the long-term use process. The stainless steel ball is self-adaptively adjusted in position in the stepped hole according to the vacuum suction force, and the sucker component is in threaded connection with the internal thread of the through hole of the sucker pressing bar through the external thread of the sucker fixing nut and is sealed through the annular sealing ring; the filter screen is arranged between the sucker fixing nut and the throttle valve and positioned on an air channel of the sucker fixing nut and the throttle valve to filter air, so that dust impurities in the air are prevented from being sucked into the suction plate through the air channel and influencing a vacuum control element after being blocked, and damage and action failure are prevented; meanwhile, the throttle valve is arranged at the air outlet end of the vacuum sucker, plays a role in throttling and limiting current, simultaneously enhances the strength of the vacuum sucker connecting head, limits the deformation of the vacuum sucker connecting head, and prevents the vacuum sucker from being pulled out due to the action of the self weight of a conveyed object when the vacuum sucker works under a higher vacuum degree.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
1. The vacuum suction plate structure is characterized by comprising a suction plate and a sucker assembly;
the suction plate comprises a left side cover, a suction plate main body, a nut block, a right side cover, a side cover sealing gasket, a screw, a stainless steel ball, a sucker pressing bar and a sealing ring; the suction plate main body is a hollow shell with openings at two opposite ends, the left side cover and the right side cover are respectively arranged at the openings at two ends of the suction plate main body, grooves matched with the end parts of the suction plate main body are respectively arranged on one side surface of the left side cover close to the suction plate main body and one side surface of the right side cover close to the suction plate main body, two end parts of the suction plate main body are respectively embedded into the grooves of the left side cover and the right side cover, and two side cover sealing gaskets are respectively embedded into the grooves of the left side cover and the right side cover and are respectively positioned between the left side cover and the suction plate main body and between the right side cover and the suction plate main body;
the sucker pressing strip is fixedly arranged on the lower surface of the sucker main body through a screw, a stepped hole is formed in the lower surface of the sucker main body, a through hole with an internal thread is formed in the position, corresponding to the step, of the sucker pressing strip, the stepped hole is communicated with the through hole, an annular groove surrounding the through hole is formed in the contact surface of the sucker pressing strip and the lower surface of the sucker main body, the sealing ring is arranged in the annular groove, the stainless steel balls are arranged in the large holes in the stepped hole, the diameters of the stainless steel balls are larger than those of the small holes in the stepped hole and the through hole, and the depth of the large holes in the stepped hole is larger than that of the stainless steel balls; the inner side wall of the upper part of the through hole is integrally formed with a protruding part extending towards the center of the through hole; the number of the protruding parts is three, the three protruding parts are correspondingly arranged at the circumferential trisection point positions of the through hole, and the diameter of a circular surface formed by sequentially connecting the three protruding parts is smaller than that of the stainless steel ball;
the sucker component comprises a sucker fixing nut, an annular sealing ring, a filter screen, a throttle valve and a vacuum sucker;
vacuum chuck has an inlet end and an end of giving vent to anger, the choke valve is coaxial to be inlayed and to be located give vent to anger and serve just choke valve one end extends to give vent to anger the end outside, sucking disc fixation nut installs and is served at giving vent to anger, the filter screen sets up just be located between sucking disc fixation nut and the choke valve on the terminal surface of choke valve one end, sucking disc fixation nut's lateral wall be equipped with the external screw thread of the internal thread looks adaptation of the through-hole of sucking disc layering, sucking disc layering and sucking disc fixation nut's junction is located to the ring packing cover, and outside gas loops through vacuum chuck's inlet end, choke valve, sucking disc fixation nut and sucking disc layering.
2. The vacuum suction plate structure of claim 1, wherein the left side cover and the right side cover are provided with screw holes, and the left side cover and the right side cover are respectively fixedly mounted on the two ends of the suction plate main body by screws passing through the screw holes to close the two end openings of the suction plate main body.
3. The vacuum suction plate structure as claimed in claim 1, wherein the air inlet end of the vacuum chuck has a corrugated structure.
4. The vacuum suction plate structure as claimed in claim 1, wherein the suction cup fixing nut includes a nut body, the upper end surface of the nut body is integrally formed into a first cylinder with a hollow interior, the external thread is disposed on the outer side surface of the first cylinder, the lower end surface of the nut body is provided with an opening, the edge of the opening extends inwards to form a clamping portion, and a clamping groove matched with the clamping portion is disposed on the outer side wall of the air outlet end of the vacuum suction cup.
5. The vacuum suction plate structure according to claim 1, wherein the throttle valve comprises a second cylinder having a hollow interior, a first portion having a disk shape is integrally formed on an upper surface of the second cylinder, a second portion having an inverted cone shape is integrally formed on a lower surface of the second cylinder, a cross section of the second cylinder has an outer diameter equal to a cross section of the outlet end of the vacuum chuck, a diameter of the first portion is larger than a diameter of the cross section of the outlet end of the vacuum chuck, and a maximum diameter of the second portion is larger than a diameter of the cross section of the outlet end of the vacuum chuck.
6. The vacuum suction plate structure of claim 1, wherein the filtering net is provided with a plurality of uniformly distributed meshes, and the aperture of the meshes is smaller than the particle size of dust impurities in the air.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN202011155872.7A CN112158599B (en) | 2019-09-30 | 2019-09-30 | Vacuum suction plate structure with stable structure |
CN201910942448.8A CN110733886B (en) | 2019-09-30 | 2019-09-30 | Vacuum suction plate structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910942448.8A CN110733886B (en) | 2019-09-30 | 2019-09-30 | Vacuum suction plate structure |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011155872.7A Division CN112158599B (en) | 2019-09-30 | 2019-09-30 | Vacuum suction plate structure with stable structure |
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TWI776178B (en) * | 2020-07-03 | 2022-09-01 | 迅得機械股份有限公司 | Sucker set with dual air chambers |
CN117723946B (en) * | 2024-02-18 | 2024-04-19 | 深圳市森美协尔科技有限公司 | Mechanical arm assembly and wafer detection table |
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CN112158599B (en) | 2021-10-15 |
CN110733886A (en) | 2020-01-31 |
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