CN217892078U - Telescopic trimming internal expansion device and trimming equipment - Google Patents
Telescopic trimming internal expansion device and trimming equipment Download PDFInfo
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- CN217892078U CN217892078U CN202221594111.6U CN202221594111U CN217892078U CN 217892078 U CN217892078 U CN 217892078U CN 202221594111 U CN202221594111 U CN 202221594111U CN 217892078 U CN217892078 U CN 217892078U
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Abstract
The utility model relates to a telescopic border internal expanding device and border equipment of paper pulp molding container lid. It has solved the defect such as prior art design is unreasonable. The telescopic edge rolling internal expansion device of the pulp molding container cover comprises: fixing an air supply seat; a rotating shaft in a vertical state; the rotating shaft penetrates through the fixed air supply seat and can rotate relative to the fixed air supply seat; the binding positioning seat is fixed at the top of the rotating shaft; a plurality of telescopic internal expansion blocks are provided; the telescopic inner expansion blocks are uniformly distributed on the circumference of the shaft axis of the binding positioning seat, and the telescopic inner expansion blocks translate on a plane vertical to the shaft axis of the binding positioning seat. This application advantage: the paper pulp container cover after the binding process can be quickly taken down and the inner diameter of the inner convex part can not be expanded in the taking-down process, and finally the sealing performance of the paper pulp molded cover on the cup is ensured.
Description
Technical Field
The utility model belongs to the technical field of the processing of paper pulp molding bowl cover, especially, relate to a telescopic border internal expanding device and border equipment of paper pulp molding container lid.
Background
The paper pulp molding cup cover is used for covering a cup and has a sealing effect.
In the current paper pulp molding bowl cover course of working, some utility model people have designed interior protruding knot at the flank inner wall of bowl cover, and the shaping of interior protruding knot has paper pulp molding bowl cover integrated into one piece when making, also has through subsequent roll forming.
For example, chinese patent discloses a servo forming device that controllable feeding processing paper pulp bowl cover annular was detained, patent number CN201922057581.3, including the workstation, be equipped with one or more main wheel subassemblies on the workstation, one or more with main wheel subassembly complex down press the compressing assembly, have one or more auxiliary wheel subassemblies, down press the compressing assembly and utilize a support cantilever setting on the workstation to be in the top of main wheel subassembly, the main wheel subassembly includes servo motor, rotating spindle, pressure knot main wheel, down press the compressing assembly including pressing actuating mechanism, briquetting, the briquetting is connected the drive by pressing actuating mechanism, the auxiliary wheel subassembly includes translation actuating mechanism, is close to the pressure knot auxiliary wheel that extrudees bowl cover blank side and form the annular knot by the drive of translation actuating mechanism drive, be equipped with the moment sensor of a detectable pressure knot auxiliary wheel extrusion bowl cover blank side moment on the translation actuating mechanism, servo proportional valve is connected with a controller, the controller is connected with moment sensor and detects the work of data control servo proportional valve according to the sensor.
The scheme is that the pulp molding cup cover is further rolled after being processed and formed, and the scheme has the following defects:
because the flank of bowl cover forms interior convex part after being bordured, the manipulator is at the in-process of taking off the bowl cover, and the internal diameter of interior convex part can take place radial expansion at the in-process of upwards taking out, and this material degree of difficulty of getting that leads to the manipulator is great, and simultaneously, the interior convex part of bowl cover is owing to by radial expansion, leads to subsequent leakproofness to descend, and the design is unreasonable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a telescopic border internal expanding device and border equipment of pulp molding container lid that can solve above-mentioned technical problem.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the telescopic binding internal expansion device of the pulp molding container cover comprises:
fixing an air supply seat;
a rotating shaft in a vertical state; the rotating shaft penetrates through the fixed air supply seat and can rotate relative to the fixed air supply seat;
the binding positioning seat is fixed at the top of the rotating shaft;
a plurality of telescopic internal expansion blocks are provided; the telescopic inner expansion blocks are uniformly distributed on the circumference of the shaft axis of the binding positioning seat, and the telescopic inner expansion blocks translate on a plane vertical to the shaft axis of the binding positioning seat;
the pneumatic driving mechanism comprises at least one first air channel arranged on the fixed air supply seat and at least one second air channel arranged on the binding positioning seat, and each first air channel and one second air channel are communicated and drive the telescopic inner expansion block to move horizontally on a plane vertical to the axial lead of the binding positioning seat through air.
In the telescopic trimming inner-expanding device for the pulp molded container cover, the number of the telescopic inner-expanding blocks is four, the number of the first gas path is two, the number of the second gas path is two, and the gas supplied by each second gas path drives two of the four telescopic inner-expanding blocks to translate on a plane perpendicular to the axial lead of the trimming positioning seat.
In the telescopic trimming inner expanding device for the pulp molding container cover, a centering spacer bush which is rotatably abutted against the fixed air supply seat is arranged at the top of the fixed air supply seat, a third air channel communicated with the first air channel is arranged in the centering spacer bush, a third air nozzle communicated with the third air channel is arranged on the outer peripheral surface of the centering spacer bush, a second air nozzle communicated with the second air channel is arranged on the outer peripheral surface of the trimming positioning seat, and the third air nozzle and the second air nozzle are communicated through a conducting air pipe.
In the telescopic trimming inner expanding device of the pulp molding container cover, the top of the rotating shaft is provided with a flange, the trimming positioning seat is fixed on the upper surface of the flange, and the centering spacer bush is fixed on the lower surface of the flange.
In the telescopic trimming inner-expanding device for the pulp molding container cover, a plurality of cylindrical positioning pins penetrate through the flange, a plurality of radial grooves are formed in the cross section of the centering spacer bush, the inner side groove wall of each radial groove is an arc groove surface, the cylindrical positioning pins are inserted into the radial grooves, and partial cylindrical surfaces of the cylindrical positioning pins are matched and matched with the arc groove surfaces.
In the telescopic trimming inner expanding device for the pulp molding container cover, a plurality of radial sliding grooves are formed in the top of the trimming positioning seat, a sliding block is arranged on the lower surface of each telescopic inner expanding block, the sliding blocks are movably arranged in the radial sliding grooves, a closed air chamber is arranged between the lower surface of each sliding block and the bottom of each radial sliding groove, and the second air path is communicated with at least one closed air chamber.
The application also provides a multistation border equipment of pulp moulding container lid, including the mount on rotate and be provided with a plurality of the telescopic border internal expanding device of pulp moulding container lid.
In the above multi-station binding apparatus for a pulp molded container lid, the apparatus further comprises an elastic pressing device located above the telescopic binding internal expansion device of the pulp molded container lid, and further comprises a binding device located laterally to the telescopic binding internal expansion device of the pulp molded container lid.
In the above multi-station trimming apparatus for the pulp molded container lid, the telescopic trimming internal expanding device of the pulp molded container lid has eight devices and the telescopic trimming internal expanding device of the pulp molded container lid synchronously rotates in the same direction, the eight elastic pressing devices are arranged on the lifting frame, and the lifting frame is connected with the lifting driver.
In the above multi-station binding apparatus for pulp molded container caps, the telescopic binding internal expansion devices of eight pulp molded container caps are distributed in three rows, wherein the number of the telescopic binding internal expansion devices of one central row of the pulp molded container caps is less than that of the other two rows, and the number of the telescopic binding internal expansion devices of the other two rows of the pulp molded container caps is equal;
the device comprises a paper pulp molded container cover, a binding device, a telescopic binding internal expansion device, a binding device and a binding device, wherein the binding device comprises eight binding devices, the eight binding devices are distributed in three rows, two binding devices positioned in the middle are positioned on the same straight line with the telescopic binding internal expansion device of the paper pulp molded container cover positioned in one row in the middle, and the rest two rows of binding devices are positioned outside the telescopic binding internal expansion devices of the paper pulp molded container covers correspondingly arranged in one row one by one.
In the above multi-station edge rolling apparatus for a pulp molded container lid, two edge rolling devices in a central row move relatively or oppositely; and the two remaining rows of the edge rolling devices move relatively or oppositely.
In the above multi-station binding apparatus for a pulp molded container lid, the binding device comprises a translation base and a binding wheel arranged on the translation base.
The application also provides a method for binding the pulp molding container cover, and the multi-station binding equipment for the pulp molding container cover is adopted, and the binding method comprises the following steps:
s1, placing a cover, namely downwards sleeving a cover opening of a paper pulp molding container to be rolled on the converged telescopic internal expansion blocks;
s2, tensioning, namely enabling the telescopic inner expansion block to move outwards in the radial direction by the axis of the edge rolling positioning seat, enabling the outer peripheral surface of the telescopic inner expansion block to abut against the inner wall of the pulp molding container cover, and enabling the elastic pressing device to descend and press the top surface of the pulp molding container cover in the process that the telescopic inner expansion block abuts against the inner wall of the pulp molding container cover;
s3, edge rolling, wherein the edge rolling device is driven by a translational driving force to be close to a corresponding pulp molded container cover, the rotating direction of the pulp molded container cover is opposite to that of the edge rolling device, namely, an inner convex part is obtained by rolling the inner wall of the pulp molded container cover;
and S4, taking the cover, enabling the telescopic inner expansion block to move inwards in the radial direction by the axis of the edge rolling positioning seat, enabling the inner wall of the inner convex part and the outer peripheral surface of the telescopic inner expansion block to form a gap, and then taking down the pulp molded container cover.
Compared with the prior art, the application has the advantages that:
the paper pulp molding container cover adopts an internal expansion type telescopic structure, when the telescopic internal expansion blocks are gathered, the paper pulp molding container cover is directly sleeved on the gathered telescopic internal expansion blocks and then radially outwards expands and internally expands on the inner wall of the paper pulp molding container cover, after the binding processing is finished, the telescopic internal expansion blocks are radially inwards gathered, a gap which is larger than or equal to the inner diameter of the inner convex part is formed between the outer peripheral surface of each telescopic internal expansion block and the inner wall of the processed paper pulp molding container cover, so that the paper pulp molding container cover after the binding processing can be quickly taken down and cannot cause the inner diameter expansion of the inner convex part in the taking-down process, the sealing performance of the paper pulp molding container cover on the cup is finally ensured, and the anti-falling performance is further improved.
Drawings
Fig. 1 is a schematic perspective view of a telescopic piping internal expansion device of a pulp molding container lid according to the present invention.
Fig. 2 is a schematic structural view of the fixed air supply seat combined with the centering spacer according to the present invention.
Fig. 3 is a schematic view of a rotating shaft structure provided by the present invention.
Fig. 4 is a schematic view of the binding positioning seat structure provided by the present invention.
Fig. 5 is another view angle structure schematic diagram of the binding positioning seat provided by the present invention.
Fig. 6 is a schematic view of a partial sectional structure of the binding positioning seat provided by the present invention.
Fig. 7 is a schematic structural view of the eight-station internal expanding device provided by the utility model.
Fig. 8 is a schematic structural diagram of the second embodiment of the present invention.
Fig. 9 is a schematic view of the partially exploded structure of fig. 8.
Fig. 10 is a schematic structural view of the rolled container lid according to the present invention.
Fig. 11 is a simplified structural schematic diagram of the binding air driving device provided by the present invention.
In the figure, a telescopic binding inner expansion device A of the pulp molding container cover, a fixed air supply seat 1, a flat bottom recess 10, a first air nozzle 11, a rotating shaft 2, a flange 20, a through groove 200, an upper convex part 201, a cylindrical positioning pin 21, a binding positioning seat 3, a second air nozzle 30, a radial sliding groove 31, a sliding block 32, a closed air chamber 33, a telescopic inner expansion block 4, a conducting air pipe 40, a centering spacer 5, a third air nozzle 50, a radial groove 51, an arc groove surface 52, a fixed frame 6, a servo motor 7, an equipment main body 8, a cantilever frame 80, an elastic pressing device B, a lifting frame B0, a lifting driver B01, a pressing block B1, a connecting shaft B2, an anti-dropping cap B3, a spring B4, a binding device C, a binding wheel C3 and a translation seat C4.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in figure 1, the telescopic binding inner expansion device of the pulp molding container cover comprises a fixed air supply seat 1, a rotating shaft 2, a binding positioning seat 3, a telescopic inner expansion block 4 and a pneumatic driving mechanism. The outer contour of the telescopic internal expansion block 4 imitates the shape of the inner wall of the pulp molded container cover.
The fixed air supply seat 1 of the present embodiment is cylindrical to facilitate penetration of the rotating shaft 2.
The rotating shaft 2 is in a vertical state; the rotating shaft 2 penetrates through the fixed air supply seat 1 and the rotating shaft 2 can rotate relative to the fixed air supply seat 1. The rotating shaft 2 and the fixed air supply base 1 are in slight clearance fit so that the rotating shaft can rotate freely.
The upper end of the rotating shaft 2 extends out of the upper end of the fixed air supply seat 1, and the lower end of the rotating shaft 2 extends out of the lower end of the fixed air supply seat 1.
The binding positioning seat 3 is fixed on the top of the rotating shaft 2. The binding positioning seat 3 rotates along with the rotating shaft 2, so as to be beneficial to binding processing.
A plurality of telescopic internal expansion blocks 4 are provided; the plurality of telescopic inner expanding blocks 4 are uniformly distributed on the circumference of the axial lead of the binding positioning seat 3, and the telescopic inner expanding blocks 4 move horizontally on a plane vertical to the axial lead of the binding positioning seat 3.
The telescopic internal expansion block 4 converges towards the axis of the binding positioning seat 3 and surrounds to form a ring, and moves outwards to play a role of expanding in the inner wall of the pulp molding container cover.
The pneumatic driving mechanism comprises at least one first air channel arranged on the fixed air supply seat 1 and at least one second air channel arranged on the binding positioning seat 3, and each first air channel is communicated with one second air channel and can horizontally move on a plane vertical to the axial lead of the binding positioning seat 3 through the air driving telescopic inner expanding block 4.
This embodiment adopts internal expanding extending structure, when flexible internal expanding piece 4 assembles, pulp molding container lid is direct to be overlapped on the flexible internal expanding piece 4 who assembles, then radial outside expansion and internal expanding in the inner wall of pulp molding container lid, after finishing the piping process, flexible internal expanding piece 4 radially inwards assembles, the clearance that the outer peripheral face of flexible internal expanding piece 4 and the pulp molding container lid inner wall that has processed formed the internal diameter of convex part more than or equal to this moment for pulp molding container lid after the piping process can be taken off fast and can not lead to the internal diameter expansion of convex part in the in-process of taking off, finally ensure the leakproofness of pulp molding lid on the cup, and anticreep performance further promotes.
And secondly, the mode can also improve the binding processing qualification rate of the pulp molded container cover and greatly reduce the rejection rate.
In addition, the internal expansion mode of the paper pulp molding container cover can ensure that the internal convex height of the internal convex part of the paper pulp molding container cover after the edge rolling processing is uniform. In the mode in the opposite background technology, due to the clearance fit of the cup cover and the lower die, the rolling of the roller is to radially stress the cup cover in the circumferential direction, and due to the low structural strength of the cup cover, in the rolling process, the phenomenon of inconsistent inward convex height of the inner convex part can occur, which is unfavorable for the sealing property.
As shown in fig. 11, the number of the telescopic inner expanding blocks 4 in this embodiment is 2 to 4, preferably, the number of the telescopic inner expanding blocks 4 is four, the number of the first gas paths is two, the number of the second gas paths is two, and the gas supplied by each second gas path drives two of the four telescopic inner expanding blocks 4 to move in a horizontal direction on a plane perpendicular to the axial line of the binding positioning seat 3.
Further, as shown in fig. 1-6 and 11, a centering spacer 5 rotatably abutted against the fixed air supply seat 1 is disposed at the top of the fixed air supply seat 1, a third air passage communicated with the first air passage is disposed in the centering spacer 5, a third air nozzle 50 communicated with the third air passage is disposed on the outer circumferential surface of the centering spacer 5, a second air nozzle 30 communicated with the second air passage is disposed on the outer circumferential surface of the binding positioning seat 3, and one third air nozzle 50 is communicated with one second air nozzle 30 through a communicating air pipe 40.
Specifically, a flange 20 is arranged on the top of the rotating shaft 2, the binding positioning seat 3 is fixed on the upper surface of the flange 20, and the centering spacer 5 is fixed on the lower surface of the flange 20. And, wear to be equipped with a plurality of cylinder locating pins 21 on flange 20, be equipped with a plurality of radial grooves 51 on the cross section of centering spacer 5, the inboard cell wall of radial groove 51 is circular arc grooved surface 52, and cylinder locating pin 21 is inserted in radial groove 51 and the partial face of cylinder locating pin 21 matches with circular arc grooved surface. The outside of the radial groove 51 communicates with the outside.
Secondly, a flat-bottom recess 10 is formed in the bottom of the binding positioning seat 3, an upper convex portion 201 matched with the flat-bottom recess 10 is formed in the flange 20, a through groove 200 is formed in the upper surface of the flange 20, the upper end face of the cylindrical positioning pin 21 is a plane, and the upper end of the cylindrical positioning pin 21 extends out of the through groove 200 and abuts against the bottom plane of the flat-bottom recess 10.
As shown in fig. 1-6 and 11, a plurality of radial sliding grooves 31 are formed in the top of the binding positioning seat 3, a sliding block 32 is arranged on the lower surface of each telescopic internal expanding block 4, the sliding block 32 is movably installed in the radial sliding groove 31, a closed air chamber 33 is formed between the lower surface of the sliding block 32 and the bottom of the radial sliding groove 31, and the second air path is communicated with at least one closed air chamber 33. The telescopic inner expanding block 4 is any one of fan-shaped blocks or semicircular blocks, and the shape of the telescopic inner expanding block depends on the total number of designs. When the telescopic inner expanding block 4 has four blocks, the second gas paths are designed into two paths, the two paths of second gas paths are both in an annular structure and are not communicated with each other, and the one path of second gas path is communicated with the two closed air chambers 33, when external air pressure enters the closed air chambers 33, the telescopic inner expanding block 4 moves outwards in the radial direction under the action of the air pressure, and how to realize resetting can be realized by designing a reset spring (not seen in the figure) at the outer end or two side edges of the telescopic inner expanding block 4.
The first air path is of an annular structure, the first air path is arranged on the top surface of the fixed air supply seat 1, the number of the first air paths is set according to the number of the telescopic internal expansion blocks 4, the four telescopic internal expansion blocks 4 are taken as an example, the first air paths are distributed inside and outside in two paths and are different from each other, each first air path is respectively communicated with the first air nozzle 11, two third air paths arranged inside the centering spacer 5 are of a large and small annular structure, one third air path is communicated with one first air path, the communication mode is related to, a plurality of communication small holes which are circumferentially distributed and axially distributed along the centering spacer 5 are arranged on the wall thickness of the lower end of the centering spacer 5, the communication small holes are provided with two circles which are distributed inside and outside, the communication small holes of each circle are provided with a plurality of, and each circle of communication small holes are communicated with one third air path and one first air path.
The lower end face of the centering spacer 5 is connected with the upper end face of the fixed air supply seat 1 in a sealing manner, and the sealing manner can be hard sealing, soft sealing or soft and hard combination. The soft sealing is in a mode of a sealing ring.
Example two
As shown in fig. 7-9, the present embodiment provides a multi-station binding apparatus for a molded pulp container lid, which includes a fixing frame 6, and a telescopic binding internal expansion device a rotatably disposed on the fixing frame 6 for the molded pulp container lid according to the first embodiment.
The fixing frame 6 is fixed on the apparatus main body 8.
In order to ensure that the roll edge does not jump, the apparatus of the present embodiment further includes an elastic pressing device B located above the telescopic roll edge internal expansion device of the pulp molded container lid, and further includes a roll edge device C located laterally to the telescopic roll edge internal expansion device a of the pulp molded container lid.
The number of the elastic pressing devices B and the number of the binding devices C are set according to the number of the telescopic binding internal-expansion devices A of the pulp molding container cover.
Eight embodiments are taken as examples, that is, the telescopic binding inner-expansion device a of the pulp molded container cover has eight devices, and the telescopic binding inner-expansion device a of the pulp molded container cover synchronously rotates in the same direction, so as to realize synchronous and equidirectional rotation, and a transmission mode that a same synchronous belt is meshed with the lower end of a rotating shaft is adopted, and the synchronous belt is driven by a servo motor 7.
The elastic pressing devices B are eight, the eight elastic pressing devices B are arranged on the lifting frame B0, and the lifting frame B0 is connected with the lifting driver B01. The lifting driver B01 is any one of an air cylinder, an oil cylinder and a linear motor.
As shown in fig. 7-9, each elastic pressing device B comprises a pressing block B1, and a flexible sheet, such as a sponge or a silica gel, is disposed on the lower surface of the pressing block B1. Briquetting B1's upper surface center sets up connecting axle B2, and crane B0's shaft hole is worn to locate by connecting axle B2's upper end, establishes anticreep cap B3 at connecting axle B2's upper end cover, and anticreep cap B3 is obeyed in crane B0 upper surface, and the cover is equipped with spring B4 on connecting axle B2, and the lower extreme of spring B4 acts on briquetting B1's upper surface, and the upper end of spring B4 acts on crane B0 lower surface.
The lift driver B012 is fixed to the cantilever bracket 80 of the apparatus main body 8, and the binding device C is provided on the apparatus main body 8, that is, a platform is provided on the apparatus main body 8, and the binding device C and the fixing bracket 6 are respectively provided on the platform.
In order to make the layout more reasonable, the telescopic binding internal expansion devices a of the eight molded pulp container covers of the embodiment are distributed in three rows, wherein the number of the telescopic binding internal expansion devices a of one central row of the molded pulp container covers is less than that of the other two rows, and the number of the telescopic binding internal expansion devices a of the other two rows of the molded pulp container covers is equal; that is, the number of the central column is two, and the number of the remaining two columns is three, respectively.
The edge rolling devices C are eight, the eight edge rolling devices C are distributed in three rows, two edge rolling devices C located in the middle are located on the same straight line with the telescopic edge rolling internal expansion devices A of the pulp molded container covers in one row in the middle, and the rest two rows of edge rolling devices C are located outside the telescopic edge rolling internal expansion devices A of the pulp molded container covers in the corresponding row one by one.
The two edge rolling devices C in the middle row move relatively or back to back; the remaining two rows of the binding devices C are moved relatively or away from each other.
And the binding device C comprises a translation seat C4 and a binding wheel C3 arranged on the translation seat. The translation stage C4 is driven by a linear drive assembly.
As shown in fig. 7 to 9, the method for binding the pulp molded container lid includes the steps of:
s1, placing a cover, namely, downwards sleeving a cover opening of a paper pulp molding container cover to be rolled on converged telescopic inner expansion blocks 4, namely, two adjacent telescopic inner expansion blocks 4 are leaned together;
s2, tensioning, namely translating the telescopic internal expansion block 4 radially outwards along the axis of the edge rolling positioning seat 3, so that the outer peripheral surface of the telescopic internal expansion block 4 abuts against the inner wall of the pulp molded container cover, and lowering the elastic pressing device B to press the top surface of the pulp molded container cover in the process that the telescopic internal expansion block 4 abuts against the inner wall of the pulp molded container cover;
s3, edge rolling, wherein the edge rolling device C is driven by a translational driving force to approach to a corresponding pulp molded container cover, and the rotating direction of the pulp molded container cover (namely the rotating direction of the rotating shaft 2) is opposite to the rotating direction of the edge rolling device C (namely the rotating direction of the edge rolling wheel C3), namely, an inner convex part is obtained by rolling on the inner wall of the pulp molded container cover;
and S4, taking the cover, wherein the telescopic inner expansion block 4 moves inwards in the radial direction along the axis of the binding positioning seat 3, so that a gap is formed between the inner wall of the inner convex part and the outer peripheral surface of the telescopic inner expansion block 4, and then taking down the pulp molded container cover.
The molded pulp container lid after the edge rolling is shown in figure 10.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (11)
1. A telescopic piping internal expansion device for a pulp molding container cover, characterized in that the device comprises:
a fixed air supply seat (1);
a rotating shaft (2) in a vertical state; the rotating shaft (2) penetrates through the fixed air supply seat (1) and the rotating shaft (2) can rotate relative to the fixed air supply seat (1);
the binding positioning seat (3) is fixed at the top of the rotating shaft (2);
a plurality of telescopic internal expansion blocks (4); the telescopic inner expansion blocks (4) are uniformly distributed in a circumferential manner by the axial lead of the binding positioning seat (3), and the telescopic inner expansion blocks (4) are translated on a plane vertical to the axial lead of the binding positioning seat (3);
the pneumatic driving mechanism comprises at least one first air channel arranged on the fixed air supply seat (1) and at least one second air channel arranged on the binding positioning seat (3), wherein each first air channel is communicated with one second air channel and drives the telescopic inner expansion block (4) to move horizontally on a plane vertical to the axial lead of the binding positioning seat (3) through air.
2. The telescopic piping internal expansion device for a pulp molded container lid according to claim 1, wherein said telescopic internal expansion block (4) has four pieces, said first gas path has two paths, said second gas path has two paths, and the gas supplied from each of said second gas paths drives two of said four pieces of said telescopic internal expansion block (4) to translate on a plane perpendicular to the axis of said piping positioning seat (3).
3. The telescopic trimming inner expanding device of the pulp molding container cover according to claim 1 or 2, wherein a centering spacer sleeve (5) which is rotatably abutted against the fixed air supply seat (1) is arranged at the top of the fixed air supply seat (1), a third air passage communicated with the first air passage is arranged in the centering spacer sleeve (5), a third air nozzle (50) communicated with the third air passage is arranged on the outer peripheral surface of the centering spacer sleeve (5), a second air nozzle (30) communicated with the second air passage is arranged on the outer peripheral surface of the trimming positioning seat (3), and one third air nozzle (50) and one second air nozzle (30) are communicated through a communicating air pipe (40).
4. The telescopic piping internal expansion device of a pulp molded container lid according to claim 3, wherein a flange (20) is provided on the top of the rotating shaft (2), the piping positioning seat (3) is fixed on the upper surface of the flange (20), and the centering spacer (5) is fixed on the lower surface of the flange (20).
5. The telescopic type binding internal expansion device of the pulp molding container cover according to claim 4, characterized in that a plurality of cylindrical positioning pins (21) are arranged on the flange (20) in a penetrating manner, a plurality of radial grooves (51) are arranged on the cross section of the centering spacer (5), the inner side groove wall of each radial groove (51) is an arc groove surface (52), the cylindrical positioning pins (21) are inserted into the radial grooves (51), and part of the cylindrical surface of each cylindrical positioning pin (21) is matched and matched with the arc groove surface.
6. The telescopic piping internal expansion device for a pulp molding container lid according to claim 1, wherein a plurality of radial sliding grooves (31) are formed at the top of the piping positioning seat (3), a sliding block (32) is formed on the lower surface of each telescopic internal expansion block (4), the sliding block (32) is movably mounted in the radial sliding grooves (31), a closed air chamber (33) is formed between the lower surface of the sliding block (32) and the bottom of the radial sliding groove (31), and the second air passage is communicated with at least one closed air chamber (33).
7. A multi-station binding device of a pulp molded container cover comprises a fixed frame (6), and is characterized in that a plurality of telescopic binding internal expanding devices (A) of the pulp molded container cover according to any one of claims 1 to 6 are rotatably arranged on the fixed frame (6).
8. The apparatus for multi-station binding of a molded pulp container lid according to claim 7, further comprising an elastic pressing means (B) located above the telescopic piping internal expansion means of the molded pulp container lid, and further comprising a binding means (C) located laterally of the telescopic piping internal expansion means (A) of the molded pulp container lid.
9. The apparatus for multi-station binding of a pulp molded container lid according to claim 8, wherein the number of the telescopic binding internal expansion means (a) of the pulp molded container lid is eight and the telescopic binding internal expansion means (a) of the pulp molded container lid synchronously rotate in the same direction, the number of the elastic pressing means (B) is eight, the eight elastic pressing means (B) are provided on a lifting frame (C1), and the lifting frame (C1) is connected to a lifting driver (C2).
10. The apparatus for multi-station binding of a pulp molded container lid according to claim 9, wherein the telescopic binding internal expansion devices (a) of eight pulp molded container lids are arranged in three rows, wherein the number of the telescopic binding internal expansion devices (a) of one central row of the pulp molded container lid is less than that of the other two rows, and the number of the telescopic binding internal expansion devices (a) of the other two rows of the pulp molded container lid is equal;
the eight binding devices (C) are distributed in three rows, wherein two binding devices (C) positioned in the middle are positioned on the same straight line with the telescopic binding internal expansion devices (A) of the pulp molded container cover positioned in one row in the middle, and the rest two rows of binding devices (C) are positioned outside the telescopic binding internal expansion devices (A) of the pulp molded container covers correspondingly arranged in the rows one by one.
11. The apparatus for multi-station binding of pulp molded container lids as claimed in claim 10, wherein two binding devices (C) in a central row are moved relatively or away from each other; the two remaining rows of the binding devices (C) move relatively or back to back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221594111.6U CN217892078U (en) | 2022-06-23 | 2022-06-23 | Telescopic trimming internal expansion device and trimming equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221594111.6U CN217892078U (en) | 2022-06-23 | 2022-06-23 | Telescopic trimming internal expansion device and trimming equipment |
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| CN217892078U true CN217892078U (en) | 2022-11-25 |
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| CN202221594111.6U Active CN217892078U (en) | 2022-06-23 | 2022-06-23 | Telescopic trimming internal expansion device and trimming equipment |
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| CN (1) | CN217892078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302856A (en) * | 2022-06-23 | 2022-11-08 | 浙江舒康科技有限公司 | Telescopic trimming inner expanding device, trimming equipment and trimming method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302856A (en) * | 2022-06-23 | 2022-11-08 | 浙江舒康科技有限公司 | Telescopic trimming inner expanding device, trimming equipment and trimming method |
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