CN114056991A - Vacuum transmission mechanism with variable adsorption width - Google Patents
Vacuum transmission mechanism with variable adsorption width Download PDFInfo
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- CN114056991A CN114056991A CN202111499042.0A CN202111499042A CN114056991A CN 114056991 A CN114056991 A CN 114056991A CN 202111499042 A CN202111499042 A CN 202111499042A CN 114056991 A CN114056991 A CN 114056991A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/12—Advancing webs by suction roller
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Abstract
The invention discloses a vacuum transmission mechanism with variable adsorption width, which is characterized in that: including vacuum adsorption mechanism and drive mechanism, vacuum adsorption mechanism includes vacuum pipe and the fan-shaped mouth of water conservancy diversion, be equipped with in the fan-shaped mouth of water conservancy diversion and adsorb width guiding mechanism, it includes scalable flexible folding cloth and telescopic machanism to adsorb width guiding mechanism, scalable flexible folding cloth is equipped with two, locate the left and right both sides of the fan-shaped mouth of water conservancy diversion respectively, a first induced draft hole for sheltering from fan-shaped groove tank bottom left and right both sides, telescopic machanism can drive a left side, two scalable flexible folding cloth of right side are in opposite directions or carry on the back the body synchronous straight line flexible mutually, thereby can adjust the effective absorption width of the fan-shaped mouth of water conservancy diversion. According to the invention, the effective adsorption width of the diversion fan-shaped port can be quickly and conveniently adjusted by arranging the adsorption width adjusting mechanism, and the problems of unstable vacuum degree, asynchronous transmission, tension fluctuation and the like caused by the mismatching of the effective adsorption width and the material width in the operation of equipment are effectively solved.
Description
Technical Field
The invention relates to the technical field of transmission of flexible materials, in particular to a vacuum transmission mechanism with variable adsorption width.
Background
With the rapid development of materials such as lithium batteries, optics, photovoltaics, shielding and electronics, coating technology has become an indispensable processing mode for flexible materials. Light weight, thinness, shortness and smallness become the technical core of the current materials, and the realization of the low-tension operation of the materials and the reduction of residual stress ensure the high-end quality of products are very important.
The transmission mode of the flexible material currently mainly comprises compression transmission, S-shaped friction transmission, vacuum adsorption transmission and the like. The single-sided non-contact transmission mainly adopts a vacuum adsorption transmission mode to achieve the purpose of conveying materials without damaging the surface. The vacuum adsorption wheel adopted in the market at present mainly transmits materials through a wheel surface with a fixed width, but in the actual production process, the vacuum adsorption wheel is used as a mechanical structure, the width of the vacuum adsorption wheel cannot be changed after the vacuum adsorption wheel is manufactured and installed, the width change of the materials is large, and when the width of the materials is smaller than the adsorption width of the vacuum wheel surface, a wheel surface adsorption area larger than the width of the materials can generate large negative pressure and generate noise. Meanwhile, the adsorbed material is unsynchronized with the wheel due to the fact that the adsorption force is reduced, slipping is generated, tension control is further influenced, and the material generates large residual stress such as stretching.
Therefore, how to conveniently and quickly adjust the effective adsorption width of the vacuum suction wheel to be the same as the material width, the synchronism of material operation is ensured, low-tension operation is realized, the material achieves low stress residue, and the problem that vacuum adsorption transmission is urgently needed to be solved is solved.
Disclosure of Invention
In order to solve the problems of unstable vacuum degree, asynchronous transmission, tension fluctuation and the like caused by the fact that the effective adsorption width of the existing vacuum adsorption wheel is inconsistent with the width of a material, the invention provides a vacuum transmission mechanism with variable adsorption width, so that any width smaller than the mechanical width of the vacuum adsorption wheel can be changed into the effective adsorption width to adapt to the width requirements of different materials.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a variable absorption width vacuum drive mechanism which characterized in that: comprises a vacuum adsorption mechanism and a transmission mechanism, wherein the vacuum adsorption mechanism comprises a vacuum pipeline and a flow guide fan-shaped port, the transmission mechanism comprises a transmission shaft, a transmission perforated wheel surface and a metal outer net, the vacuum pipeline comprises a vacuum pipe and a vacuum cavity pipe, the left end of the vacuum cavity pipe is provided with a left sealing plate, the right end of the vacuum cavity pipe is provided with a right sealing plate, the left side surface of the left sealing plate and the right side surface of the right sealing plate are both provided with cylindrical parts extending outwards, rolling bearings are sleeved on the cylindrical parts, the right end of the vacuum tube is inserted into the left sealing plate, the inside of the vacuum tube is communicated with the inner cavity of the vacuum cavity tube, the left end of the vacuum tube is connected with a vacuumizing device, one side wall of the vacuum cavity pipe is provided with a fan-shaped groove which runs through two ends along the axial direction, the bottom of the fan-shaped groove is provided with a plurality of first air suction holes which are uniformly distributed, two fan-shaped retaining columns are fixedly connected to two sides of the fan-shaped groove, and a flow guide fan-shaped opening is formed between the fan-shaped groove and the two fan-shaped retaining columns;
the transmission opening wheel surface is a cylindrical sleeve with a closed right end and is sleeved outside the vacuum cavity pipe, two ends of an inner hole of the transmission opening wheel surface are respectively fastened with outer rings of rolling bearings at two ends, so that the transmission opening wheel surface is rotatably connected with the vacuum pipeline, the metal outer net is sleeved on the outer side surface of the transmission opening wheel surface, a plurality of second air suction holes which are uniformly distributed in a circumferential array are arranged on the transmission opening wheel surface, a left end cover and a right end cover are respectively arranged at two ends of the transmission opening wheel surface, the right end surface of the transmission opening wheel surface is fixedly connected with the right end cover, the left end cover is fixedly connected with the cylindrical part of the left sealing plate, the left end of the transmission shaft is fixedly connected with the right end cover, the other end of the transmission shaft is connected with a motor, and the transmission opening wheel surface and the metal outer net can be driven to synchronously rotate together by rotation of the transmission shaft;
be equipped with in the water conservancy diversion fan-shaped mouth and adsorb width guiding mechanism, adsorb width guiding mechanism and include scalable flexible folding cloth and telescopic machanism, scalable flexible folding has laid two, locates the left and right both sides of the fan-shaped mouth of water conservancy diversion respectively, and scalable flexible folding cloth left end face in left side and left shrouding fixed connection, scalable flexible folding cloth right-hand member face in right side and right shrouding fixed connection for shelter from the first hole of inhaling of the left and right both sides of fan-shaped groove tank bottom, telescopic machanism can drive two scalable flexible folding cloth in a left side, the right side and in opposite directions or carry on the back the same body in step straight line flexible, thereby can adjust the effective width of adsorbing of the fan-shaped mouth of water conservancy diversion.
Preferably, the inner side wall of the inner cavity of the vacuum cavity pipe consists of an arc wall and a plane wall, and the fan-shaped groove is formed in the outer side surface of the plane wall.
Preferably, the telescopic mechanism adopts a bidirectional screw rod linear moving mechanism, which comprises a screw rod, a screw rod nut and a mounting plate, wherein the right side surface of the left side telescopic flexible folding cloth and the left side surface of the right side telescopic flexible folding cloth are both provided with a connecting plate, the mounting plate is shaped into a fan shape matched with the shape of the flow guide fan-shaped opening, the mounting plate is provided with two pieces, the two pieces are respectively and fixedly connected on the left connecting plate and the right connecting plate, the screw rod nut is respectively and fixedly connected on the right side surface of the left mounting plate and the left side surface of the right mounting plate, the screw rod is arranged in the middle of the flow guide fan-shaped opening, the axis is parallel to the axis of the vacuum cavity pipe, the two ends are provided with external threads with opposite spiral directions, the two pieces of screw rod nut are respectively in threaded connection with the external threads at the left end and the right end of the screw rod, and the two ends of the screw rod are respectively in rotatable but not in linear moving connection with the left sealing plate and the right sealing plate, and the left end passes through the left sealing plate and the left end cover, and the left end surface is provided with an inner hexagonal sinking groove, so that a screw rod can be conveniently rotated by an inner hexagonal metal plate, and the rotating screw rod can drive two screw rod nuts to linearly move in opposite directions or in opposite directions, so that two pieces of telescopic flexible folding cloth are driven to linearly extend in opposite directions or in opposite directions synchronously, and the width of the suction width of the flow guide fan-shaped opening is reduced or enlarged.
Preferably, be equipped with two ring groove on the lead screw left end excircle face, all be equipped with the jump ring in two ring groove, a jump ring right flank links to each other with left shrouding left surface, and another jump ring left surface links to each other with left shrouding right surface, makes lead screw and left shrouding form rotatable but can not rectilinear movement be connected, be equipped with the blind hole with the corresponding position of lead screw on the right shrouding, the lead screw right-hand member is inserted and is located in this blind hole.
Preferably, the adsorption width adjusting mechanism further comprises a guide slide bar, the upper outer side edge and the lower outer side edge of the mounting plate are respectively provided with a side wing extending upwards and downwards, the middle of the fan-shaped retaining post corresponding to the two side wings is provided with a rectangular chute matched with the rectangular chute, the right side surface of the side wing of the left mounting plate and the left side surface of the side wing of the right mounting plate are respectively and fixedly connected with a slide block, the slide block and the side wing are respectively provided with two guide holes, the axes of the two guide slide bars are parallel to the axis of the screw rod and respectively penetrate through the left corresponding guide holes and the right corresponding guide holes, and the two ends of the two guide slide bars are respectively and fixedly connected with the left sealing plate and the right sealing plate.
Preferably, the inner side of the telescopic flexible folding cloth is connected with a plurality of circular rings through a support rod, the circular rings are coaxial with the screw rod, the outer diameter of the circular rings is larger than that of the screw rod, and the outer side of the screw rod is sleeved with the circular rings.
Preferably, the left end of the transmission shaft is provided with a flange plate, and the flange plate is fixedly connected with the right end cover.
Compared with the prior art, the invention has the beneficial effects that: 1) when the vacuum pipeline works, negative pressure is transmitted to the transmission perforated wheel surface and the metal outer net through the diversion fan-shaped port, so that the flexible material is adsorbed on the surface of the metal outer net, the metal outer net rotates along with the transmission shaft to meet the continuous transmission requirement of the material, the transmission mode only carries out friction action on one surface of the flexible material, and the other surface of the flexible material is not in direct or indirect contact such as pressing, adsorption or friction, and the like, so that the surface of the material is better ensured not to be damaged, and the coating, liquid evaporation and the transmission requiring multiple working conditions such as non-contact are ensured; 2) by arranging the adsorption width adjusting mechanism, the effective adsorption width of the flow guide fan-shaped port can be quickly and conveniently adjusted, the problems of unstable vacuum degree, asynchronous transmission, tension fluctuation and the like caused by the fact that the effective adsorption width of the existing vacuum adsorption wheel is inconsistent with the material width are solved, any width smaller than the mechanical width of the vacuum adsorption wheel can be changed into the effective adsorption width to adapt to the width requirements of different materials, and the cost that a plurality of vacuum adsorption wheels are needed by the prior art corresponding to the widths of different materials is saved; 3) the bidirectional screw rod linear moving mechanism is adopted, the adjusting precision is high, the structure is simple, and the rotary adjusting end of the screw rod is arranged at the fixed end of the left end cover, so that the operation is convenient; 4) by arranging the guide slide bar, the telescopic flexible folding cloth on the left side and the right side can be more stably stretched, the stretching direction is not deviated, and the practicability of the invention is improved.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the present invention (with the drive apertured tread and the metal mesh removed);
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of a vacuum line according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a vacuum chamber tube and a fan-shaped baffle post according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a telescoping mechanism and a guide slide bar according to an embodiment of the present invention;
FIG. 6 is a schematic view of a mounting plate structure according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a flexible foldable cloth according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of an external structure according to an embodiment of the present invention;
fig. 9 is a working state diagram of the embodiment of the invention.
In the figure: 1. the vacuum pipeline comprises a vacuum pipeline, 101, a vacuum pipe, 102, a vacuum cavity pipe, 1021, an inner cavity, 1022, a fan-shaped groove, 1023, a first air suction hole, 103, a left side plate, 1031, a cylindrical part, 104, a right side plate, 1041, a cylindrical part, 2, a left end cover, 3, a rolling bearing, 4, a right end cover, 5, a transmission shaft, 501, a flange plate, 6, an adsorption width adjusting mechanism, 601, telescopic flexible folding cloth, 6011, a connecting plate, 602, a screw rod, 603, a screw rod nut, 604, a mounting plate, 6041, a side wing, 605, a sliding block, 606, a guide sliding rod, 607, a clamping spring, 608, a screw rod rotating end, 7, a fan-shaped blocking column, 701, a rectangular sliding chute, 8, a flow guide fan-shaped opening, 9, a transmission hole wheel surface, 901 and a second air suction hole.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 8, the embodiment of the present invention includes a vacuum adsorption mechanism and a transmission mechanism, the vacuum adsorption mechanism includes a vacuum pipe 1 and a flow guiding fan-shaped port 8, the transmission mechanism includes a transmission shaft 5, a transmission opening wheel face 9 and a metal outer net, the vacuum pipe 1 includes a vacuum pipe 101 and a vacuum cavity pipe 102, a left sealing plate 103 is disposed at the left end of the vacuum cavity pipe 102, a cylindrical portion 1031 extending outwards is disposed on the left side of the left sealing plate 103, a right sealing plate 104 is disposed at the right end, a cylindrical portion 1041 extending outwards is disposed on the right side of the right sealing plate 104, a rolling bearing 3 is sleeved on each of the cylindrical portions 1031 and 1041, the right end of the vacuum pipe 101 is inserted into the left sealing plate 103, the inside is communicated with an inner cavity 1021 of the vacuum cavity pipe 102, the left end is connected with a vacuum pumping device, a fan-shaped slot 1022 penetrating through both ends is disposed on one side wall of the vacuum cavity pipe 102 along an axial direction, a plurality of first air suction holes 1023 are uniformly disposed on the bottom of the fan-shaped slot 1022, two fan-shaped retaining columns 7 are fixedly connected to two sides of the fan-shaped groove 1022, and a flow guide fan-shaped opening 8 is formed between the fan-shaped groove 1022 and the two fan-shaped retaining columns 7;
the transmission opening wheel surface 9 is a cylinder sleeve with a closed right end and is sleeved outside the vacuum cavity pipe 102, two ends of an inner hole of the transmission opening wheel surface 9 are respectively fastened with outer rings of rolling bearings 3 at two ends, so that the transmission opening wheel surface 9 and the vacuum pipeline 1 form a rotatable connection, a metal outer net (not shown in the drawing) is sleeved on the outer side surface of the transmission opening wheel surface 9, a plurality of second air suction holes 901 which are uniformly distributed in a circumferential array are arranged on the transmission opening wheel surface 9, a left end cover 2 and a right end cover 4 are respectively arranged at two ends of the transmission opening wheel surface 9, the right end surface of the transmission opening wheel surface 9 is fixedly connected with the right end cover 4, the left end cover 2 is fixedly connected with a cylindrical part 1031 of a left closing plate, a flange 501 is arranged at the left end of a transmission shaft 5, the flange 501 is fixedly connected with the right end cover 4, the other end of the transmission shaft is connected with a motor, the transmission opening wheel surface 9 and the metal outer net can be driven by rotation of the transmission shaft 5 to synchronously rotate, the vacuum pipeline 1, The fan-shaped retaining column 7 and the left end cover 2 are static;
Be equipped with in the fan-shaped mouth of water conservancy diversion 8 and adsorb width guiding mechanism 6, it includes scalable flexible folding cloth 601 and telescopic machanism to adsorb width guiding mechanism 6, scalable flexible folding cloth 601 is equipped with two, locate the left side of fan-shaped mouth of water conservancy diversion 8 respectively, the right side both sides, scalable flexible folding cloth 601 left end face in left side and left shrouding 103 fixed connection, scalable flexible folding cloth 601 right end face in right side and right shrouding 104 fixed connection, be used for sheltering from fan-shaped groove 1022 tank bottom left side, the first induced draft hole 1023 of right side both sides, telescopic machanism can drive a left side, two scalable flexible folding cloth 601 in right side or back of the body synchronous straight line of carrying on the other hand stretch out and draw back, thereby can adjust the effective width of adsorbing of fan-shaped mouth of water conservancy diversion 8.
Through setting up absorption width guiding mechanism 6, can adjust the effective absorption width of water conservancy diversion fan-shaped mouth 8 fast conveniently, it is inconsistent with the material width to have solved current vacuum adsorption wheel effective absorption width, the vacuum that leads to is unstable, the transmission is asynchronous and the tension fluctuates the scheduling problem, make the arbitrary width that is less than vacuum adsorption wheel mechanical width all can become effective absorption width to adapt to the width demand of different materials, saved the cost that the width that prior art corresponds different materials needs a plurality of vacuum suction wheels.
Preferably, the inner wall of the inner chamber 1021 of the vacuum chamber tube 102 is composed of an arc wall and a plane wall, and the fan-shaped groove 1022 is formed on the outer side of the plane wall.
The telescopic mechanism adopts a bidirectional screw rod linear moving mechanism and comprises a screw rod 602, a screw rod nut 603 and a mounting plate 604, wherein the right side surface of the left side telescopic flexible folding cloth 601 and the left side surface of the right side telescopic flexible folding cloth 601 are respectively provided with a connecting plate 6011, the mounting plate 604 is provided with a fan shape matched with the shape of the flow guide fan-shaped opening 8, the mounting plate is provided with two pieces, the two pieces are respectively and fixedly connected on the left side surface of the left side connecting plate 6011 and the right side connecting plate 6011, the screw rod nut 603 is provided with two pieces, the two screw rod nuts 603 are respectively and fixedly connected on the right side surface of the left mounting plate 604 and the left side surface of the right mounting plate 604, the screw rod 602 is arranged in the middle of the flow guide fan-shaped opening 8, the axis is parallel to the axis of the vacuum cavity pipe 102, the two ends are provided with external threads in opposite spiral directions, the two screw rod nuts 603 are respectively connected with the external threads at the left end and the right end of the screw rod 602, the two ends of the screw rod 602 are respectively connected with the left sealing plate 103 and the right sealing plate 104 in a rotatable but not capable of being linearly moving manner, and the left end passes through the left closing plate 103 and the left end cover 2, the left end face is provided with an inner hexagonal sinking groove, the left end of the screw rod 602 is set as a screw rod rotating end 608, the screw rod can be conveniently rotated by an inner hexagonal wrench, the screw rod 602 can be rotated to drive the two screw rod nuts 603 to linearly move in opposite directions or in opposite directions, so that the two pieces of telescopic flexible folding cloth 601 are driven to linearly extend in opposite directions or in opposite directions synchronously, and the width of the suction amplitude of the flow guide fan-shaped opening 8 is reduced or enlarged.
The invention adopts a bidirectional screw rod linear moving mechanism, has high adjusting precision and simple structure, and the rotary adjusting end of the screw rod 602 is arranged at the fixed end of the left end cover 2, thereby having convenient operation.
As shown in fig. 9: the specific working process is as follows: when the material width and the original vacuum adsorption width AB are small, the screw rod rotating end 608 is rotated by an inner hexagon wrench to drive the screw rod 602 to rotate, so that the two screw rod nuts 603 move oppositely at the same time, the mounting plate 604 connected with the screw rod nuts 603 and the connecting plate 6011 move oppositely together, and the telescopic flexible folding cloth 601 at the two sides is contracted towards the middle to achieve the position of the effective adsorption width A1B1 required by the material.
On the contrary, when the width needs to be adjusted from A1B1 to AB width, the effective vacuum adsorption width of the adsorption driving wheel can be increased by rotating the rotating end 608 of the screw rod in the opposite direction.
Preferably, two annular clamping grooves are formed in the outer circumferential surface of the left end of the screw 602, clamping springs 607 are arranged in the two annular clamping grooves, the right side surface of one clamping spring 607 is connected with the left side surface of the left sealing plate 103, the left side surface of the other clamping spring 607 is connected with the right side surface of the left sealing plate 103, the screw 602 and the left sealing plate 103 are connected in a rotatable and non-linearly movable manner, a blind hole is formed in the right sealing plate 104 corresponding to the screw 602, and the right end of the screw 602 is inserted into the blind hole.
Preferably, the adsorption width adjusting mechanism 6 further comprises a guide sliding rod 606, the upper and lower outer sides of the mounting plate 604 are respectively provided with an upward side wing 6041 extending from two lower sides, the middle of the fan-shaped retaining column 7 is provided with a rectangular sliding groove 701 corresponding to the two side wings 6041, the right side of the side wing 6041 of the left mounting plate and the left side of the side wing 6041 of the right mounting plate are respectively provided with a sliding block 605, the sliding block 605 and the side wing 6041 are respectively provided with two guide holes, the guide sliding rod 606 is provided with two guide sliding rods, the axes of the two guide sliding rods 606 are respectively parallel to the axis of the screw 602 and respectively penetrate through the left and right corresponding guide holes, and the two ends of the two guide sliding rods are respectively fixedly connected with the left sealing plate 103 and the right sealing plate 104.
By arranging the guide sliding rod 606, the telescopic flexible folding cloth 601 on the left side and the right side can be more stably stretched, the stretching direction is not deviated, and the practicability of the invention is improved.
Preferably, the inner side of the retractable flexible folding cloth 601 is connected with a plurality of rings 6013 through a support rod 6012, the rings 6013 are coaxial with the lead screw 602, have an outer diameter larger than that of the lead screw 602, are sleeved on the outer side of the lead screw 602, and can linearly move left and right along the lead screw 602. The ring 6013 can prevent the flexible folding cloth 601 from falling out of the flow guide fan-shaped opening 8 when being stretched and losing the effect of adjusting the effective adsorption width.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a variable absorption width vacuum drive mechanism which characterized in that: it comprises a vacuum adsorption mechanism and a transmission mechanism, wherein the vacuum adsorption mechanism comprises a vacuum pipeline and a flow guide fan-shaped port, the transmission mechanism comprises a transmission shaft, a transmission perforated wheel surface and a metal outer net, the vacuum pipeline comprises a vacuum pipe and a vacuum cavity pipe, the left end of the vacuum cavity pipe is provided with a left sealing plate, the right end of the vacuum cavity pipe is provided with a right sealing plate, the left side surface of the left sealing plate and the right side surface of the right sealing plate are both provided with cylindrical parts extending outwards, rolling bearings are sleeved on the cylindrical parts, the right end of the vacuum tube is inserted into the left sealing plate, the inside of the vacuum tube is communicated with the inner cavity of the vacuum cavity tube, the left end of the vacuum tube is connected with a vacuumizing device, one side wall of the vacuum cavity pipe is provided with a fan-shaped groove which runs through two ends along the axial direction, the bottom of the fan-shaped groove is provided with a plurality of first air suction holes which are uniformly distributed, two fan-shaped retaining columns are fixedly connected to two sides of the fan-shaped groove, and a flow guide fan-shaped opening is formed between the fan-shaped groove and the two fan-shaped retaining columns;
the transmission opening wheel surface is a cylindrical sleeve with a closed right end and is sleeved outside the vacuum cavity pipe, two ends of an inner hole of the transmission opening wheel surface are respectively fastened with outer rings of rolling bearings at two ends, so that the transmission opening wheel surface is rotatably connected with the vacuum pipeline, the metal outer net is sleeved on the outer side surface of the transmission opening wheel surface, a plurality of second air suction holes which are uniformly distributed in a circumferential array are arranged on the transmission opening wheel surface, a left end cover and a right end cover are respectively arranged at two ends of the transmission opening wheel surface, the right end surface of the transmission opening wheel surface is fixedly connected with the right end cover, the left end cover is fixedly connected with the cylindrical part of the left sealing plate, the left end of the transmission shaft is fixedly connected with the right end cover, the other end of the transmission shaft is connected with a motor, and the transmission opening wheel surface and the metal outer net can be driven to synchronously rotate together by rotation of the transmission shaft;
be equipped with in the water conservancy diversion fan-shaped mouth and adsorb width guiding mechanism, adsorb width guiding mechanism and include scalable flexible folding cloth and telescopic machanism, scalable flexible folding has laid two, locates the left and right both sides of the fan-shaped mouth of water conservancy diversion respectively, and scalable flexible folding cloth left end face in left side and left shrouding fixed connection, scalable flexible folding cloth right-hand member face in right side and right shrouding fixed connection for shelter from the first hole of inhaling of the left and right both sides of fan-shaped groove tank bottom, telescopic machanism can drive two scalable flexible folding cloth in a left side, the right side and in opposite directions or carry on the back the same body in step straight line flexible, thereby can adjust the effective width of adsorbing of the fan-shaped mouth of water conservancy diversion.
2. The variable adsorption width vacuum transmission mechanism of claim 1, wherein: the inner side wall of the inner cavity of the vacuum cavity pipe consists of an arc wall and a plane wall, and the fan-shaped groove is formed in the outer side surface of the plane wall.
3. The variable adsorption width vacuum transmission mechanism of claim 2, wherein: the telescopic mechanism adopts a bidirectional screw rod linear moving mechanism and comprises a screw rod, screw rod nuts and a mounting plate, wherein the right side surface of the left side telescopic flexible folding cloth and the left side surface of the right side telescopic flexible folding cloth are respectively provided with a connecting plate, the mounting plate is designed into a fan shape matched with the appearance of a flow guide fan-shaped opening, the mounting plate is provided with two pieces, the two pieces are respectively and fixedly connected onto the left side connecting plate and the right side connecting plate, the screw rod nuts are respectively and fixedly connected onto the right side surface of the left mounting plate and the left side surface of the right mounting plate, the screw rod is arranged in the middle of the flow guide fan-shaped opening, the axis is parallel to the axis of the vacuum cavity pipe, the two ends are provided with external threads with opposite spiral directions, the two pieces of screw rod nuts are respectively in threaded connection with the external threads at the left end and the external threads at the right end of the screw rod, and the two ends of the screw rod are respectively in rotatable but not in linear moving connection with the left sealing plate and the right sealing plate, and the left end passes through the left sealing plate and the left end cover, and the left end surface is provided with an inner hexagonal sinking groove, so that a screw rod can be conveniently rotated by an inner hexagonal metal plate, and the rotating screw rod can drive two screw rod nuts to linearly move in opposite directions or in opposite directions, so that two pieces of telescopic flexible folding cloth are driven to linearly extend in opposite directions or in opposite directions synchronously, and the width of the suction width of the flow guide fan-shaped opening is reduced or enlarged.
4. The variable adsorption width vacuum transmission mechanism of claim 3, wherein: the lead screw is characterized in that two annular clamping grooves are formed in the outer circular surface of the left end of the lead screw, clamping springs are arranged in the two annular clamping grooves, the right side face of one clamping spring is connected with the left side face of the left sealing plate, the left side face of the other clamping spring is connected with the right side face of the left sealing plate, the lead screw and the left sealing plate are connected in a rotatable and linearly-movable mode, a blind hole is formed in the right sealing plate in a position corresponding to the lead screw, and the right end of the lead screw is inserted into the blind hole.
5. The variable adsorption width vacuum transmission mechanism of claim 4, wherein: the adsorption width adjusting mechanism further comprises a guide sliding rod, the upper outer side edge and the lower outer side edge of the mounting plate are respectively provided with side wings extending upwards and downwards, matched rectangular sliding grooves are formed in the middle of the fan-shaped retaining posts and correspond to the side wings, sliding blocks are fixedly connected to the right side surface of the side wing of the left mounting plate and the left side surface of the side wing of the right mounting plate respectively, guide holes are formed in the sliding blocks and the side wings respectively, the guide sliding rod is provided with two guide sliding rods, the axes of the two guide sliding rods are arranged in parallel with the axis of the screw rod and penetrate through the left guide hole and the right guide hole respectively, and the two ends of the guide sliding rod are fixedly connected with the left sealing plate and the right sealing plate respectively.
6. The variable adsorption width vacuum transmission mechanism according to any one of claims 1 to 5, wherein: the telescopic flexible folding cloth is characterized in that the inner side of the telescopic flexible folding cloth is connected with a plurality of circular rings through supporting rods, the circular rings are coaxial with the screw rod, the outer diameter of the circular rings is larger than the outer diameter of the screw rod, and the outer side of the screw rod is sleeved with the circular rings.
7. The variable adsorption width vacuum transmission mechanism of claim 6, wherein: the left end of the transmission shaft is provided with a flange plate, and the flange plate is fixedly connected with the right end cover.
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| CN202111499042.0A CN114056991A (en) | 2021-12-09 | 2021-12-09 | Vacuum transmission mechanism with variable adsorption width |
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| CN202111499042.0A CN114056991A (en) | 2021-12-09 | 2021-12-09 | Vacuum transmission mechanism with variable adsorption width |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116331902A (en) * | 2023-05-29 | 2023-06-27 | 莱州联友金浩新型材料有限公司 | Porous membrane material lamination composite equipment and use method |
-
2021
- 2021-12-09 CN CN202111499042.0A patent/CN114056991A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116331902A (en) * | 2023-05-29 | 2023-06-27 | 莱州联友金浩新型材料有限公司 | Porous membrane material lamination composite equipment and use method |
| CN116331902B (en) * | 2023-05-29 | 2023-08-11 | 莱州联友金浩新型材料有限公司 | Porous membrane material lamination composite equipment and use method |
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