CN209775292U - rear inflating device - Google Patents

Abstract

the utility model provides a rear inflating device. The rear inflator includes: the first driving part comprises a first cylinder body and a first output rod which is arranged on the first cylinder body in a telescopic mode; the first rim connecting disc is fixedly connected with the first cylinder body; the limiting piece is fixedly connected with the first output rod, and one side of the limiting piece, which is far away from the first rim connecting plate, is provided with a limiting surface; the second rim connecting disc is in contact fit with the limiting surface; to adjust the rim width by controlling the stroke of the first output rod. The technical scheme of the utility model the back aerating device who has solved among the prior art has that the structure is complicated, governing speed is slow, easy wearing and tearing and the inconvenient problem of maintenance.

Description

rear inflating device

Technical Field

The utility model relates to a tire production technical field particularly, relates to a back aerating device.

background

The post-inflation device is an important component of the tire vulcanizer and is used for inflating the tire after vulcanization to cool and shape the tire. In order to adapt to tires of different specifications, the rear inflator generally adjusts the rim width by adjusting the distance between two rim connecting plates when changing the tire specification.

when the distance between two rim connecting discs is adjusted by a rear inflating device in the prior art, the rim width is adjusted by matching a motor, a speed reducer and a worm gear, or the rim width is adjusted by adopting the motor, the speed reducer and a gear, and the adjusting mode has the problems of complex structure, low adjusting speed, easiness in abrasion and inconvenience in maintenance.

SUMMERY OF THE UTILITY MODEL

a primary object of the present invention is to provide a rear inflation device to solve the problems of the rear inflation device in the prior art, such as complicated structure, slow adjustment speed, easy abrasion and inconvenient maintenance.

In order to achieve the above object, the utility model provides a rear inflating device, include: the first driving part comprises a first cylinder body and a first output rod which is arranged on the first cylinder body in a telescopic mode; the first rim connecting disc is fixedly connected with the first cylinder body; the limiting piece is fixedly connected with the first output rod, and one side of the limiting piece, which is far away from the first rim connecting plate, is provided with a limiting surface; the second rim connecting disc is in contact fit with the limiting surface; to adjust the rim width by controlling the stroke of the first output rod.

Further, the first driving member is an oil cylinder or an air cylinder.

further, the rear inflating device further comprises a detecting piece, and the detecting piece is connected with the first cylinder body and used for detecting the stroke of the first output rod.

Furthermore, a first avoiding hole for avoiding the limiting part is formed in the second rim connecting disc, and at least part of the limiting part penetrates out of the first avoiding hole; the rear inflator further includes: the locking mechanism is arranged on one side, far away from the first rim connecting disc, of the second rim connecting disc and is matched with the limiting part penetrating out of the first avoiding hole, and the locking mechanism is in a locking state for preventing the limiting part from moving relative to the locking mechanism and in an unlocking state for allowing the limiting part to move relative to the locking mechanism.

Furthermore, the limiting part is a limiting rod, the limiting rod comprises a first rod section and a second rod section which are connected along the direction far away from the first rim connecting plate, the diameter of the first rod section is larger than that of the second rod section, and an annular limiting surface is formed at the connecting position of the second rod section and the first rod section; and a first avoidance hole for avoiding the second rod section is formed in the end face, facing the first rim connecting disc, of the second rim connecting disc, and the end face is in contact fit with the limiting face.

Further, seted up the draw-in groove on the second pole section, the draw-in groove has two relative groove wall faces that set up of moving direction along the locating part, and locking mechanism includes: the clamping block is movably arranged along a first direction, the first direction is perpendicular to the moving direction of the limiting piece, and when the locking mechanism is in a locking state, the clamping block extends into the clamping groove and is in limiting fit with the wall surfaces of the two grooves; when the locking mechanism is in an unlocking state, the clamping block is disengaged from the clamping groove.

Furthermore, the second rod section is provided with an annular clamping groove extending around the circumference of the second rod section; the clamping block comprises a first sub-clamping block and a second sub-clamping block which are oppositely arranged, a first groove is formed in the first sub-clamping block, a second groove is formed in the second sub-clamping block, and the first groove is in butt joint with the second groove to form a locking hole; when the locking mechanism is in a locking state, the first sub-clamping block and the second sub-clamping block respectively extend into the clamping groove from two sides of the second rod section and tightly hold the second rod section through the locking hole; when the locking mechanism is in a locking state, the first sub-clamping block and the second sub-clamping block respectively move towards two sides of the second rod section and are separated from the clamping groove.

Further, the locking mechanism further comprises: the guide seat comprises a first positioning plate, a second positioning plate and a guide plate, the first positioning plate and the second positioning plate are arranged at intervals along a first direction, the guide plate is connected with first ends of the first positioning plate and the second positioning plate, second ends of the first positioning plate and the second positioning plate are connected with a second rim connecting plate, a second avoidance hole for avoiding the second rod section is formed in the guide plate, and the second avoidance hole is arranged opposite to the first avoidance hole; the first sub-card block is clamped between the guide plate and the second rim connecting disc, and the second sub-card block is clamped between the guide plate and the second rim connecting disc; the first sub-clamping block and the second sub-clamping block are arranged between the first positioning plate and the second positioning plate, the first sub-clamping block is arranged close to the first positioning plate, and the second sub-clamping block is arranged close to the second positioning plate; the second driving part comprises a second cylinder body and a second output rod which is telescopically arranged on the second cylinder body, the second cylinder body is fixedly connected with the mounting plate, the mounting plate is parallel to a second positioning plate, the second positioning plate is positioned between the first positioning plate and the mounting plate, a first abdicating hole is formed in the second positioning plate, and the second output rod penetrates through the first abdicating hole and then is fixedly connected with a second sub-clamping block; the connecting rod, set up the second hole of stepping down on the second locating plate, set up the third hole of stepping down that sets up with the second hole of stepping down relatively on the second sub-fixture block, the one end and the mounting panel fixed connection of connecting rod, the other end of connecting rod pass behind second hole of stepping down and the third hole of stepping down with first sub-fixture block fixed connection.

Furthermore, the rear inflating device also comprises a support and a third driving piece, the third driving piece comprises a third cylinder body and a third output rod which is telescopically arranged on the third cylinder body, a second rim connecting disc is fixedly connected with the support, the first rim connecting disc or the first cylinder body is in sliding connection with the support, the third cylinder body is fixedly connected with the support, and the third output rod is in driving connection with the first rim connecting disc or the first cylinder body; or the rear inflating device further comprises a support and a third driving piece, the third driving piece comprises a third cylinder body and a third output rod which is telescopically arranged on the third cylinder body, the first rim connecting disc or the first cylinder body is fixedly connected with the support, the second rim connecting disc is slidably connected with the support, the third cylinder body is fixedly connected with the support, and the third output rod is in driving connection with the second rim connecting disc.

furthermore, the number of the first rim connecting disc, the second rim connecting disc, the first driving piece and the limiting piece is multiple; the rear inflator further includes: a column; the middle beam is fixedly connected with the upright column and extends along the horizontal direction, a second rim connecting disc is arranged above the middle beam, and the other second rim connecting disc is arranged below the middle beam; the upper beam is connected with the upright column in a sliding manner and is positioned above the middle beam, and the upper beam is fixedly connected with a first rim connecting disc; the lower beam is connected with the upright column in a sliding manner and is positioned below the middle beam, and the lower beam is fixedly connected with the other first rim connecting disc; and the third driving piece comprises a third cylinder body and a third output rod which is telescopically arranged on the third cylinder body, the third cylinder body is fixedly connected with the lower beam, and the third output rod is fixedly connected with the upper beam.

furthermore, the number of the first rim connecting disc, the second rim connecting disc, the first driving piece and the limiting piece is multiple; the rear inflator further includes: the connecting seat is arranged in parallel with the upright column, the middle beam is connected between the connecting seat and the upright column, the upper end and the lower end of the connecting seat are respectively provided with a first rim connecting plate, and the first cylinder body is connected with the connecting seat; the upper beam is connected with the upright column in a sliding manner and is positioned above the middle beam, and the upper beam is fixedly connected with a second rim connecting disc; the lower beam is connected with the upright column in a sliding manner and is positioned below the middle beam, and the lower beam is fixedly connected with the other second rim connecting disc; and the third driving piece comprises a third cylinder body and a third output rod which is telescopically arranged on the third cylinder body, the third cylinder body is fixedly connected with the lower beam, and the third output rod is fixedly connected with the upper beam.

Furthermore, along the length direction of the upper beam, a plurality of first rim connecting discs are fixedly connected with the upper beam at intervals; or the second rim connecting discs are fixedly connected with the upper beam at intervals along the length direction of the upper beam.

Furthermore, third driving piece, centre sill, upper beam and underbeam are all a plurality ofly, and a plurality of centre sills set up around the circumference interval of stand.

use the technical scheme of the utility model, the locating part of first driving piece and with the first delivery outlet fixed connection of first driving piece has been set up, first rim connection pad and the first cylinder body fixed connection of first driving piece, the stroke of the first delivery outlet through controlling first driving piece, adjust the relative position between locating part and the first rim connection pad, the spacing face and the cooperation of second rim connection pad contact of locating part, a position for carrying on spacingly to the second rim connection pad, thereby relative position between stroke adjustment first rim connection pad and the second rim connection pad through the first delivery outlet of control first driving piece, and then realize the regulation to the rim width. The application provides a back aerating device, when the tire specification need be changed, only need control the stroke of the first output pole of first driving piece, alright in order to realize the quick adjustment to the rim width. The application provides a back aerating device compares with among the prior art worm gear or gear adjusting's mode, has simple structure, adjusts fast and the difficult advantage that weares and teares.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

Fig. 1 is a schematic structural view of a rear inflator according to a first embodiment of the present invention;

FIG. 2 is a schematic view showing an assembled structure of the first driving member, the first rim connecting plate, the limiting member, the second rim connecting plate and the locking mechanism of the rear inflator of FIG. 1;

FIG. 3 is a schematic structural view illustrating a locking mechanism of the rear inflator of FIG. 1 in a locked state;

FIG. 4 is a schematic structural view of the locking mechanism of FIG. 3 in an unlocked state;

Fig. 5 shows a schematic structural view of a rear inflator according to a second embodiment of the present invention;

Fig. 6 shows a schematic structural view of a rear inflator according to a third embodiment of the present invention;

Fig. 7 shows a schematic structural view of a rear inflator according to a fourth embodiment of the present invention;

fig. 8 shows a schematic structural view of a rear inflator according to a fifth embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. A first driving member; 11. a first cylinder; 12. a first output rod; 20. a first rim connecting plate; 30. a limiting member; 31. a first pole segment; 311. a limiting surface; 32. a second pole segment; 321. a card slot; 40. a second rim connecting plate; 41. a first avoidance hole; 42. an end face; 50. a detection member; 60. a locking mechanism; 61. a clamping block; 611. a first sub-fixture block; 612. a second sub-fixture block; 613. a first groove; 614. a second groove; 615. a locking hole; 616. a third abdicating hole; 62. a guide seat; 621. a first positioning plate; 622. a second positioning plate; 623. a guide plate; 624. a second avoidance hole; 625. a first abdicating hole; 626. a second abdicating hole; 63. a second driving member; 631. a second cylinder; 632. a second output rod; 64. mounting a plate; 65. a connecting rod; 70. a column; 80. a center sill; 90. an upper beam; 100. a lower beam; 110. a third driving member; 111. a third cylinder; 112. a third output rod; 120. a connecting seat; 130. a rim; 140. a carcass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the problem that the rear inflating device in the prior art has complicated structure, slow regulation speed, easy abrasion and inconvenient maintenance, the utility model provides a rear inflating device for the tire after vulcanizing is inflated, and makes its cooling stereotype.

As shown in fig. 1, the rear inflator includes a first driving member 10, a first rim connecting plate 20, a limiting member 30 and a second rim connecting plate 40, the first driving member 10 includes a first cylinder 11 and a first output rod 12 telescopically arranged on the first cylinder 11, the first rim connecting plate 20 is fixedly connected with the first cylinder 11, the limiting member 30 is fixedly connected with the first output rod 12, one side of the limiting member 30 far away from the first rim connecting plate 20 has a limiting surface 311, and the second rim connecting plate 40 is in contact fit with the limiting surface 311; to adjust the rim width by controlling the stroke of the first output rod 12.

In the present application, a first driving member 10 and a limiting member 30 fixedly connected to a first output rod 12 of the first driving member 10 are provided, the first rim connecting plate 20 is fixedly connected to a first cylinder 11 of the first driving member 10, a relative position between the limiting member 30 and the first rim connecting plate 20 is adjusted by controlling a stroke of the first output rod 12 of the first driving member 10, a limiting surface 311 of the limiting member 30 is in contact fit with a second rim connecting plate 40, the limiting surface 311 of the limiting member 30 is used for limiting a position of the second rim connecting plate 40, so that the relative position between the first rim connecting plate 20 and the second rim connecting plate 40 is adjusted by controlling a stroke of the first output rod 12 of the first driving member 10, the tire includes two rims 130 oppositely arranged, the two rims 130 are respectively fixedly connected to the first rim connecting plate 20 and the second rim connecting plate 40, and by adjusting a distance between the first rim connecting plate 20 and the second rim connecting plate 40, the distance between the two rims 130 is adjusted to achieve rim width adjustment. The application provides a back aerating device, when the tire specification need be changed, only need control the stroke of first output rod 12 of first driving piece 10, alright in order to realize the quick adjustment to the rim width.

In addition, because the worm gear or the gear in the prior art is easy to wear in the long-term use process, the process of maintaining the tooth profile of the worm gear or the gear is very complicated, so that the maintenance of the post-inflation device is inconvenient, and the maintenance cost is too high when the worm gear or the gear is directly replaced. This application makes it have simple structure, regulation speed fast and the difficult advantage of wearing and tearing through improving back aerating device's structure.

Optionally, the first drive member 10 is a cylinder or a pneumatic cylinder. The cylinder body of the oil cylinder or the air cylinder is used as the first cylinder body 11 of the first driving part 10, and the piston rod of the oil cylinder or the air cylinder is used as the first output rod 12 of the first driving part 10. Wherein, the medium of cylinder is the air, can not cause the pollution, and the cost of medium is lower. Because the compression ratio of air is far greater than that of hydraulic oil, the oil cylinder has the advantages of large output force, good working stability and good response compared with an air cylinder.

In the alternative embodiment shown in fig. 1, the first driving member 10 is a cylinder, the cylinder body of the cylinder serves as the first cylinder body 11 of the first driving member 10, and the piston rod of the cylinder serves as the first output rod 12 of the first driving member 10. Thus, there is an advantage that efficiency and accuracy are improved when formation of the first output rod 12 is controlled.

As shown in fig. 1, the post-inflator further includes a detection member 50, and the detection member 50 is connected to the first cylinder 11 and detects a stroke of the first output rod 12. Like this, detect the actual stroke of first output pole 12 through detection piece 50, adjust and the stroke of first output pole 12 according to the testing result, realize the accurate regulation to the position of first output pole 12 to the realization is to the accurate regulation of rim width.

Optionally, the detection piece 50 is displacement sensor for the position of the piston rod of detection hydro-cylinder, the back aerating device that this application provided still includes the controller, the controller is connected with detection piece 50 electricity, detection piece 50 feeds back the testing result to the controller, the controller then realizes the closed-loop control to first output lever 12 position according to the result that detection piece 50 detected out, guarantees to carry out accurate regulation to the stroke of first output lever 12, thereby realizes the accurate regulation to the rim width.

to facilitate placement of the tire, the first drive member 10, the first rim connecting plate 20 and the stop member 30 are moved synchronously relative to the second rim connecting plate 40. The second rim connecting plate 40 may be a movable end or a fixed end. The two rims 130 of the tire are respectively fixedly connected with the first rim connecting disc 20 and the second rim connecting disc 40, the tire body 140 of the vulcanized tire is connected with the rim serving as the fixed end, and then the rim serving as the movable end is controlled to move towards the direction close to the rim serving as the fixed end until the second rim connecting disc 40 is in contact fit with the limiting part 30.

as shown in fig. 1 and fig. 2, a first avoiding hole 41 for avoiding the limiting member 30 is formed in the second rim connecting plate 40, and at least a part of the limiting member 30 penetrates through the first avoiding hole 41; the rear inflator further includes a locking mechanism 60, the locking mechanism 60 is disposed on a side of the second rim connecting plate 40 away from the first rim connecting plate 20, and the locking mechanism 60 is engaged with the limiting member 30 extending through the first avoiding hole 41 and has a locking state for preventing the limiting member 30 from moving relative to the locking mechanism 60 and an unlocking state for allowing the limiting member 30 to move relative to the locking mechanism 60. In this way, after the second rim connecting disc 40 is in contact fit with the limiting member 30, the locking mechanism 60 is controlled to be switched to the locking state, so that the relative position between the limiting member 30 and the locking mechanism 60 is limited, the second rim connecting disc 40 is reliably limited between the locking mechanism 60 and the limiting surface 311 of the limiting member 30, the relative position between the second rim connecting disc 40 and the first rim connecting disc 20 is reliably limited, and mutual play between the two is avoided.

Optionally, the limiting member 30 is a limiting rod, and the limiting rod includes a first rod segment 31 and a second rod segment 32 connected to each other along a direction away from the first rim connecting plate 20, wherein a diameter of the first rod segment 31 is larger than a diameter of the second rod segment 32, so as to form an annular limiting surface 311 at a connection position of the second rod segment 32 and the first rod segment 31; a first avoidance hole 41 for avoiding the second rod segment 32 is formed in an end face 42 of the second rim connecting disc 40 facing the first rim connecting disc 20, and the end face 42 is in contact fit with the limiting face 311. The coaxiality between the axis of the limiting rod and the axis of the first rim connecting plate 20 and the coaxiality between the axis of the limiting rod and the hole center line of the first avoidance hole 41 are ensured, so that the coaxiality between the first rim connecting plate 20 and the second rim connecting plate 40 is ensured; the parallelism between the two rims 130 is ensured by ensuring the parallelism of the annular limiting surface 311 and the end surface 42 of the second rim connecting plate 40, thereby ensuring the product quality of the tire.

When the first rim connecting disc 20 serves as a fixed end and the second rim connecting disc 40 serves as a movable end, the locking mechanism 60 is controlled to be in an unlocking state, the first output rod 12 of the first driving piece 10 is controlled to extend out of a preset distance, the first output rod 12 drives the limiting piece 30 to move to a preset position in the direction away from the first rim connecting disc 20, then the second rim connecting disc 40 is controlled to move relative to the first rim connecting disc 20, the second rim connecting disc 40 is sleeved on the second rod section 32 through the first avoidance hole 41 until the end face 42 of the second rim connecting disc 40 abuts against the limiting face 311 of the first rod section 31, and then the locking mechanism 60 is controlled to be switched to a locking state and is in locking fit with the second rod section 32 penetrating through the first avoidance hole 41; when the first rim connecting disc 20 serves as a moving end and the second rim connecting disc 40 serves as a fixed end, the locking mechanism 60 is controlled to be in an unlocking state, the first output rod 12 of the first driving piece 10 is controlled to extend out of a preset distance, the first output rod 12 drives the limiting piece 30 to move to a preset position in a direction away from the first rim connecting disc 20, then the first driving piece 10, the first rim connecting disc 20 and the limiting piece 30 are controlled to synchronously move in a direction close to the second rim connecting disc 40 and the locking mechanism 60, the second rod section 32 extends into the first avoiding hole 41 until the limiting surface 311 on the first rod section 31 abuts against the end surface 42 of the second rim connecting disc 40, and then the locking mechanism 60 is controlled to be switched to a locking state and is in locking fit with the second rod section 32 penetrating through the first avoiding hole 41.

optionally, a clamping groove 321 is formed in the second rod segment 32, the clamping groove 321 has two groove wall surfaces oppositely arranged along the moving direction of the limiting member 30, the locking mechanism 60 includes a clamping block 61, the clamping block 61 is movably arranged along a first direction, the first direction is perpendicular to the moving direction of the limiting member 30, and when the locking mechanism 60 is in a locking state, the clamping block 61 extends into the clamping groove 321 and is in limiting fit with the two groove wall surfaces; when the locking mechanism 60 is in the unlocked state, the latch 61 is disengaged from the slot 321. In this way, the relative position between the latch 61 and the slot 321 is controlled to control the engagement between the locking mechanism 60 and the limiting member 30, so that the relative position between the locking mechanism 60 and the limiting member 30 is in a locked state.

As shown in fig. 2 to 4, the second rod segment 32 is provided with an annular slot 321 extending around the circumference thereof; the latch 61 includes a first sub-latch 611 and a second sub-latch 612 which are oppositely arranged, the first sub-latch 611 is provided with a first groove 613, the second sub-latch 612 is provided with a second groove 614, and the first groove 613 and the second groove 614 are butted to form a locking hole 615; when the locking mechanism 60 is in the locked state, the first sub-latch 611 and the second sub-latch 612 respectively extend into the locking groove 321 from two sides of the second rod section 32, and clasp the second rod section 32 through the locking hole 615; when the locking mechanism 60 is in the locked state, the first sub-latch 611 and the second sub-latch 612 move to both sides of the second rod segment 32 and are disengaged from the engaging groove 321. In this way, by providing the first sub-latch 611 and the second sub-latch 612, the second rod segment 32 is reliably locked, wherein the size of the locking hole 615 is adapted to the rod diameter of the second rod segment 32 at the position where the locking groove 321 is formed.

As shown in fig. 2 to 4, the locking mechanism 60 further includes a guide seat 62, a second driving member 63, a mounting plate 64 and a connecting rod 65, the guide seat 62 includes a first positioning plate 621, a second positioning plate 622 and a guide plate 623, the first positioning plate 621 and the second positioning plate 622 are disposed at an interval along the first direction, the guide plate 623 is connected to first ends of the first positioning plate 621 and the second positioning plate 622, second ends of the first positioning plate 621 and the second positioning plate 622 are connected to the second rim connecting plate 40, a second avoiding hole 624 for avoiding the second rod segment 32 is formed on the guide plate 623, and the second avoiding hole 624 is disposed opposite to the first avoiding hole 41; the first sub-latch 611 is clamped between the guide plate 623 and the second rim connecting plate 40, and the second sub-latch 612 is clamped between the guide plate 623 and the second rim connecting plate 40; the first sub-fixture block 611 and the second sub-fixture block 612 are both disposed between the first positioning plate 621 and the second positioning plate 622, the first sub-fixture block 611 is disposed close to the first positioning plate 621, the second sub-fixture block 612 is disposed close to the second positioning plate 622, the second driving member 63 includes a second cylinder 631 and a second output rod 632 telescopically disposed on the second cylinder 631, the second cylinder 631 is fixedly connected to the mounting plate 64, the mounting plate 64 is parallel to the second positioning plate 622, the second positioning plate 622 is disposed between the first positioning plate 621 and the mounting plate 64, the second positioning plate 622 is formed with a first yielding hole 625, the second output rod 632 passes through the first yielding hole 625 and is fixedly connected to the second sub-fixture block 612, the second positioning plate 622 is formed with a second yielding hole 626, the second sub-fixture block 612 is formed with a third yielding hole 616 opposite to the second yielding hole 626, one end of the connecting rod 65 is fixedly connected to the mounting plate 64, the other end of the connecting rod 65 passes through the second yielding hole 626 and the third yielding hole 616 and then is fixedly connected with the first sub-latch 611.

As shown in fig. 3, the locking mechanism 60 is in a locked state and, as shown in fig. 4, the locking mechanism 60 is in an unlocked state. The locking mechanism 60 operates as follows: the locking mechanism 60 is controlled to be switched from the locking state to the unlocking state by controlling the second output rod 632 of the second driving element 63 to retract a predetermined distance, specifically, as shown in fig. 3, the second output rod 632 retracts into the second cylinder 631, the second output rod 632 drives the second sub-latch 612 to move rightward relative to the second positioning plate 622, the second cylinder 631 moves leftward relative to the second positioning plate 622, the second cylinder 631 drives the mounting plate 64 and the connecting rod 65 to move leftward synchronously, the first sub-latch 611 moves leftward under the pushing action of the connecting rod 65 until the second sub-latch 612 is in stop fit with the second positioning plate 622, the first sub-latch 611 is in stop fit with the first positioning plate 621, and the locking mechanism 60 is switched to the unlocking state shown in fig. 4; the specific principle is the same as that of switching from the locked state to the unlocked state, the second output rod 632 of the second driving element 63 extends out of the second cylinder 631, the second output rod 632 of the second driving element 63 pushes the second sub-latch 612 to move leftward relative to the second positioning plate 622, the second cylinder 631 drives the mounting plate 64 and the connecting rod 65 to move rightward relative to the second positioning plate 622, the connecting rod 65 drives the first sub-latch 611 to move rightward relative to the second positioning plate 622 until the first sub-latch 611 and the second sub-latch 612 are in butt joint, and the locking mechanism 60 is switched to the locked state shown in fig. 3.

optionally, the second driving member 63 is a cylinder or an oil cylinder.

In an alternative embodiment shown in fig. 2 to 4, the second drive member 63 is a pneumatic cylinder.

In an alternative embodiment of the present application, which is not shown in the drawings, the rear inflator further includes a bracket and a third driving member 110, the third driving member 110 includes a third cylinder 111 and a third output rod 112 telescopically disposed on the third cylinder 111, the second rim connecting plate 40 is fixedly connected to the bracket, the first rim connecting plate 20 or the first cylinder 11 is slidably connected to the bracket, the third cylinder 111 is fixedly connected to the bracket, and the third output rod 112 is drivingly connected to the first rim connecting plate 20 or the first cylinder 11. In this way, the second rim connecting plate 40 serves as a fixed end, the first rim connecting plate 20 and the first cylinder 11 serve as a movable end, the tire body of the tire is placed on the second rim connecting plate 40, and the first rim connecting plate 20, the first cylinder 11 and the limiting member 30 are controlled to move synchronously by controlling the stroke of the third output rod 112, so that the limiting member 30 is in contact fit with the second rim connecting plate 40.

In another optional embodiment not shown in the drawings of the present application, the rear inflator further includes a bracket and a third driving member 110, the third driving member 110 includes a third cylinder 111 and a third output rod 112 telescopically disposed on the third cylinder 111, the first rim connecting plate 20 or the first cylinder 11 is fixedly connected with the bracket, the second rim connecting plate 40 is slidably connected with the bracket, the third cylinder 111 is fixedly connected with the bracket, and the third output rod 112 is drivingly connected with the second rim connecting plate 40. In this way, the first rim connecting plate 20 and the first cylinder 11 serve as fixed ends, the second rim connecting plate 40 moves the fixed ends, the carcass of the tire is placed on the first rim connecting plate 20, and the second rim connecting plate 40 is controlled to move by controlling the stroke of the third output rod 112, so that the second rim connecting plate 40 is in contact fit with the limiting member 30.

Optionally, a first driving element 10, a first rim connecting disc 20, a limiting element 30, a second rim connecting disc 40 and a locking mechanism 60 form a station correspondingly, the rear inflation device provided by the application has a plurality of stations, the third driving element 110, the first driving element 10, the first rim connecting disc 20, the limiting element 30, the locking mechanism 60 and the second rim connecting disc 40 are all multiple, and each second rim connecting disc 40 or the first rim connecting disc 20 serving as a moving end is driven by the separate third driving element 110, so that the rim width of each station can be flexibly controlled conveniently, and tires of different specifications can be inflated synchronously.

Optionally, a plurality of stations are arranged on the support at intervals in the vertical direction and/or the horizontal direction.

Optionally, the support is a column and the plurality of stations are arranged at circumferential and/or axial intervals around the column.

Optionally, the third actuator 110 is an air cylinder or an oil cylinder.

The dimension of the tire after being inflated, cooled and shaped is different from the dimension of the tire before being inflated after being vulcanized, optionally, in order to eliminate the difference and ensure the dimensional accuracy of the tire, the rear inflating device provided by the present application can also control the pre-compression amount of the tire before being inflated, specifically, when the rear inflating device provided by the present application is used for inflating the tire, the first output rod 12 is firstly controlled to extend out of a first predetermined distance relative to the first cylinder 11, the initial width of the rim is determined, then the tire is inflated, because the gas pressure in the tire is greater than the external gas pressure, the second rim connecting disc 40 moves in the direction far away from the first rim connecting disc 20 under the action of the gas pressure, the second rim connecting disc 40 pushes the fixture block 61 to move in the direction far away from the first rim connecting disc 20, and the fixture block 61 drives the limiting member 30 and the first output rod 12 to move in the direction far away from the first rim connecting disc 20 synchronously, when the first output rod 12 extends a second predetermined distance relative to the first cylinder 11, the first output rod 12 is controlled to stop moving. The pre-compression amount before tire inflation is controlled by adjusting the difference between the first predetermined distance and the second predetermined distance.

The controller is used for controlling the first driving part 10, the second driving part 63 and the third driving part 110, automatic control over a rear inflation device is achieved, inflation and cooling shaping of the tire are achieved, automatic adjustment of the width of the rim during tire specification replacement can be achieved, and control over pre-compression amount before inflation of the tire can be achieved.

In order to promote rear inflator's practicality and operating efficiency, the rear inflator that this application provided can set up a plurality of stations, inflates a plurality of tires simultaneously to in order to reduce rear inflator's cost, reduce the quantity of third driving piece 110. As shown in fig. 5 and 6, the present application provides two alternative embodiments having four stations and two third drive members 110 that can simultaneously inflate four different sized tires; as shown in fig. 7 and 8, the present application provides two alternative embodiments with four stations and a third drive element 110, which can simultaneously inflate four tires of two different sizes, the sizes of the tires being the same on the left and right; fig. 5 differs from fig. 6 in that, in the alternative embodiment shown in fig. 5, the second rim connecting plate 40 is used as a movable end, and the first driving member 10, the first rim connecting plate 20 and the limiting member 30 are used together as a fixed end, while, in the alternative embodiment shown in fig. 6, the second rim connecting plate 40 is used as a fixed end, and the first driving member 10, the first rim connecting plate 20 and the limiting member 30 are used together as a movable end; fig. 7 and 8 differ in that in the alternative embodiment shown in fig. 7, the second rim connecting plate 40 is used as a moving end, and the first driving member 10, the first rim connecting plate 20 and the limiting member 30 are used together as a fixed end, and in the alternative embodiment shown in fig. 8, the second rim connecting plate 40 is used as a fixed end, and the first driving member 10, the first rim connecting plate 20 and the limiting member 30 are used together as a moving end.

Four specific examples are set forth in detail below.

Example two

As shown in fig. 5, the rear inflator includes four first rim connecting plates 20, four second rim connecting plates 40, four first driving members 10, four stoppers 30, and four locking mechanisms 60; the rear inflation device further comprises an upright 70, two middle beams 80, two upper beams 90, two lower beams 100 and two third driving members 110, one end of each middle beam 80 is fixedly connected with the upright 70 and extends along the horizontal direction, the two middle beams 80 are symmetrically arranged relative to the axis of the upright 70, a second rim connecting disc 40 is arranged above the other end of each middle beam 80, another second rim connecting disc 40 is arranged below the other end of each middle beam 80, namely the second rim connecting disc 40 is used as a fixed end, the two upper beams 90 are slidably connected with the upright 70 and are respectively positioned above the two middle beams 80, each upper beam 90 is respectively fixedly connected with one first rim connecting disc 20, the two lower beams 100 are slidably connected with the upright 70 and are positioned below the two middle beams 80, each lower beam 100 is fixedly connected with the other first rim connecting disc 20, each third driving member 110 comprises a third cylinder 111 and a third conveying device telescopically arranged on the third cylinder 111 The output rod 112, the third cylinder 111 and the lower beam 100 are fixedly connected, and the third output rod 112 and the upper beam 90 are fixedly connected. In this way, in the station located at the upper left, the locking mechanism 60 is in the locked state, so that the upper beam 90 and the middle beam 80 cannot move relative to each other in the vertical direction, and at this time, when the third output rod 112 of the third driving element 110 is controlled to retract relative to the third cylinder 111, in the station located at the lower left, the third cylinder 111 drives the lower beam 100 to move relative to the middle beam 80 in the vertical direction, so that the lower beam 100 drives the first driving element 10, the first rim connecting disc 20, and the limiting element 30 to move synchronously in the direction close to the second rim connecting disc 40 until the limiting element 30 is in contact fit with the second rim connecting disc 40, the locking mechanism 60 corresponding to the station is switched from the unlocked state to the locked state, and the relative position between the lower beam 100 and the middle beam 80 in the vertical direction is locked; then, the locking mechanism 60 located at the upper left side can be controlled to be switched from the locking state to the unlocking state, and further, by controlling the third output rod 112 of the third driving element 110 to extend out relative to the third cylinder 111, the third output rod 112 can drive the upper beam 90 to perform relative movement in the vertical direction relative to the middle beam 80, and the upper beam 90 drives the first driving element 10, the first rim connecting disc 20 and the limiting element 30 in the upper left station to synchronously move in the direction away from the second rim connecting disc 40. The upper station and the lower station are alternately controlled to realize the placement of the tire. The two stations on the right side have the same principle as the two stations on the left side, and are not described herein again, because the two third driving members 110 are respectively arranged on the two sides to control the two upper beams 90 and the two lower beams 100 to move, in the optional embodiment shown in fig. 5, the tire types on the four stations may be different, and four tires with different specifications can be simultaneously inflated.

In an alternative embodiment shown in fig. 5, the use of two locking mechanisms 60 in cooperation with a third actuator 110 allows the use of a third actuator 110 to drive the upper beam 90 or the lower beam 100 in a vertical direction relative to the center beam 80.

as shown in fig. 5, the locking mechanism 60 is disposed between the center sill 80 and the second rim connecting plate 40; alternatively, when the locking mechanism 60 is the locking mechanism 60 of the embodiment shown in fig. 2 to 4, the guide seat 62 of the locking mechanism 60 is fixedly connected with the intermediate beam 80.

Optionally, the number of the stations is not limited to four, in an optional embodiment not shown in the drawing of the present application, the number of the first rim connecting plate 20, the second rim connecting plate 40, the first driving element 10, the limiting element 30 and the locking mechanism 60 is 2N, the number of the third driving element 110, the middle beam 80, the upper beam 90 and the lower beam 100 is N, where N is an integer and N is greater than or equal to 2, the N middle beams 80 are arranged around the circumferential direction of the upright column 70 at intervals, and each upper beam 90, each lower beam 100 and each third driving element 110 are arranged corresponding to each middle beam 80. Thus, a plurality of stations are arranged on the same upright post 70, and the working efficiency of the rear inflating device is improved. In addition, compared with the technical scheme that the middle beam serves as the overturning movable beam in the prior art, the middle beam 80, the upper beam 90 and the lower beam 100 provided by the application only move in the vertical direction, so that good coaxiality between the first rim connecting disc 20 and the second rim connecting disc 40 is guaranteed. Meanwhile, the middle beam 80, the upper beam 90 and the lower beam 100 are arranged in parallel, so that good parallelism between the first rim connecting disc 20 and the second rim connecting disc 40 is guaranteed, and the quality of the tire is good when the rear inflating device provided by the application is used for producing the tire.

Optionally, N center beams 80 are equally spaced around the circumference of the column 70. For example, in an alternative embodiment shown in fig. 5, N is 2, and the two intermediate beams are equally spaced.

EXAMPLE III

As shown in fig. 6, the third embodiment is different from the second embodiment in that the second rim connecting plate 40 is a movable end, the first rim connecting plate 20 is a fixed end, the rear inflator further includes a connecting seat 120, the connecting seat 120 is disposed in parallel with the pillar 70, the intermediate beam 80 is connected between the connecting seat 120 and the pillar 70, one first rim connecting plate 20 is disposed at the upper end and the lower end of the connecting seat 120, and the second rim connecting plate 40 and the locking mechanism 60 are connected to the upper beam 90 or the lower beam 100, respectively. Compared with the embodiment, the first driving element 10 is arranged on the connecting seat 120, so that the first driving element 10 can be effectively prevented from frequently moving up and down along with the upper beam 90 or the lower beam 100, and further collided with other objects in the moving process, and the service life and the operation reliability of the rear inflating device are favorably prolonged.

As shown in fig. 6, the upper locking mechanism 60 is disposed between the second rim connecting plate 40 and the upper beam 90, and the lower locking mechanism 60 is disposed between the second rim connecting plate 40 and the lower beam 100; alternatively, when the locking mechanism 60 is the locking mechanism 60 of the embodiment shown in fig. 2 to 4, the guide 62 of the locking mechanism 60 is fixedly connected to the upper beam 90 or the lower beam 100.

Example four

As shown in fig. 7, the fourth embodiment is different from the first embodiment in that the rear inflator includes a pillar 70, a center beam 80, an upper beam 90, a lower beam 100, and a third driving member 110, the center portion of the center beam 80 is fixedly connected to the pillar 70, a second rim connecting plate 40 is disposed above and below a first end of the center beam 80 in the longitudinal direction, a second rim connecting plate 40 is disposed above and below a second end of the center beam 80 in the longitudinal direction, and four second rim connecting plates 40 are fixed to the center beam; the middle part of the upper beam 90 is connected with the upright column 70 in a sliding manner, two ends of the upper beam 90 in the length direction are respectively provided with a first rim connecting disc 20, correspondingly, the middle part of the lower beam 100 is connected with the upright column 70 in a sliding manner, two ends of the lower beam 100 in the length direction are respectively provided with a first rim connecting disc 20, and the four first rim connecting discs 20 are used as moving ends. Thus, in the alternative embodiment shown in fig. 7, when the locking mechanism 60 on the side close to the upper beam 90 is in the locking state and the locking mechanism 60 on the side close to the lower beam 100 is in the unlocking state, by controlling the third output rod 112 of the third driving element 110 to extend, the third cylinder 111 of the third driving element 110 moves downward and drives the lower beam 100 and the left and right first driving elements 10, the first rim connecting plates 20, and the limiting element 30 connected thereto to move downward synchronously, then the two rims 130 of the tire are fixedly connected to the first rim connecting plates 20 and the second rim connecting plates 40 respectively, the tire casing 140 of the tire is placed on the rim located below, and then the third output rod 112 of the third driving element 110 is controlled to retract, the third cylinder 111 of the third driving element 110 moves upward and drives the lower beam 100 and the left and right first driving elements 10, the first rim connecting plates 20, and the left and right second rim connecting plates 40, The limiting member 30, the rim 130 located below and the tire body 140 of the tire move upward synchronously until the second rim connecting disc 40 contacts and cooperates with the limiting member 30, the locking mechanism 60 close to one side of the lower beam 100 is controlled to be switched to a locking state, and then the two tires located below are inflated. Since the upper and lower beams 90 and 100 are driven by one third driving unit 110, the distances between the two first rim connecting plates 20 provided on the upper beam 90 and the two second rim connecting plates 40 provided on the middle beam 80 are the same, and thus the tire specifications of the left and right sides need to be the same.

In the alternative embodiment shown in fig. 7, one upper beam 90 or one lower beam 100 is driven to move relative to the middle beam 80 by one third driving element 110, and two first rim connecting discs 20 are respectively arranged on the upper beam 90 and the lower beam 100, so that the control of the rear inflating device is simplified, the number of the third driving elements 110 is simplified, and the cost of the rear inflating device is reduced while four stations are realized.

In an alternative embodiment of the present application, the number of the first rim connecting plates 20 may be further increased on the premise that the structural stability of the rear inflator is ensured and the interference of the respective stations does not occur, and the plurality of first rim connecting plates 20 are fixedly connected to the upper beam 90 at intervals along the longitudinal direction of the upper beam 90, the plurality of first rim connecting plates 20 are fixedly connected to the lower beam 100 at intervals, and the plurality of second rim connecting plates 40 are provided on the intermediate beam 80 in correspondence to the respective first rim connecting plates 20.

Alternatively, a plurality of first rim connecting plates 20 are provided on the upper beam 90 at equal intervals.

EXAMPLE five

As shown in fig. 8, the fifth embodiment is different from the fourth embodiment in that the second rim connecting plate 40 is a movable end, the first rim connecting plate 20 is a fixed end, the rear inflator further includes a connecting seat 120, the connecting seat 120 is disposed in parallel with the pillar 70, the intermediate beam 80 is connected between the connecting seat 120 and the pillar 70, one first rim connecting plate 20 is disposed at an upper end and a lower end of the connecting seat 120, and the second rim connecting plate 40 and the locking mechanism 60 are connected to the upper beam 90 or the lower beam 100, respectively. Compared with the fourth embodiment, the first driving member 10 is mounted on the connecting seat 120, so that the first driving member 10 can be effectively prevented from frequently moving up and down along with the upper beam 90 or the lower beam 100, and can collide with other objects in the moving process, and the service life and the operation reliability of the rear inflating device can be improved.

In an alternative embodiment shown in fig. 5 to 8, the first drive member 10 is a cylinder, the second drive member 63 is a cylinder and the third drive member 110 is a cylinder.

the post-inflation device provided by the application can improve the die changing efficiency, can automatically set the rim width and the pre-compression amount according to the tire formula process, adjusts the rim width and the tire pre-compression amount by controlling the stroke of the first driving piece 10, and lays a foundation for the development of a subsequent digital vulcanizing machine; the rear inflating device provided by the application can ensure the coaxiality and the parallelism between the first rim connecting disc 20 and the second rim connecting disc 40, so that the coaxiality and the parallelism between the two rims 130 can be ensured, and the quality of the tire can be improved; the utility model provides a back aerating device is through rationally optimizing the structure, under the prerequisite that reduces product cost, can realize the function of the synchronous inflation operation of a plurality of tires of multistation, has improved back aerating device's economic performance and product competitiveness.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

it should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A post-inflation apparatus, comprising:

A first drive member (10), the first drive member (10) comprising a first cylinder (11) and a first output rod (12) telescopically disposed on the first cylinder (11);

A first rim connecting plate (20), wherein the first rim connecting plate (20) is fixedly connected with the first cylinder body (11);

The limiting piece (30), the limiting piece (30) is fixedly connected with the first output rod (12), and one side of the limiting piece (30) far away from the first rim connecting plate (20) is provided with a limiting surface (311);

The second rim connecting disc (40), the second rim connecting disc (40) is in contact fit with the limiting surface (311); so as to adjust the rim width by controlling the stroke of the first output rod (12).

2. A post-inflation device according to claim 1, characterized in that the first drive member (10) is a cylinder or a gas cylinder.

3. The post-inflator according to claim 1, further comprising a detector (50), the detector (50) being connected to the first cylinder (11) for detecting a stroke of the first output rod (12).

4. The post-inflation device according to claim 1, wherein the second rim connecting plate (40) is provided with a first avoidance hole (41) for avoiding the limiting member (30), and at least a part of the limiting member (30) penetrates through the first avoidance hole (41); the rear inflator further includes:

Locking mechanism (60), locking mechanism (60) set up keeping away from of second rim connection pad (40) one side of first rim connection pad (20), locking mechanism (60) with by first dodge hole (41) wear out locating part (30) cooperation and have and prevent locating part (30) for locking mechanism (60) moving locking state and permission locating part (30) for locking mechanism (60) moving unlocking state.

5. The post-inflation device of claim 4,

The limiting piece (30) is a limiting rod, the limiting rod comprises a first rod section (31) and a second rod section (32) which are connected with each other along the direction far away from the first rim connecting plate (20), the diameter of the first rod section (31) is larger than that of the second rod section (32), and an annular limiting surface (311) is formed at the connecting position of the second rod section (32) and the first rod section (31);

The orientation of second rim connection pad (40) offer on terminal surface (42) of first rim connection pad (20) and be used for dodging second pole section (32) first dodge hole (41), terminal surface (42) with spacing face (311) contact cooperation.

6. The post-inflation device according to claim 5, wherein a slot (321) is formed on the second rod segment (32), the slot (321) has two slot wall surfaces oppositely arranged along the moving direction of the stopper (30), and the locking mechanism (60) comprises:

The clamping block (61) is movably arranged along a first direction, the first direction is perpendicular to the moving direction of the limiting piece (30), and when the locking mechanism (60) is in the locking state, the clamping block (61) extends into the clamping groove (321) and is in limiting fit with the two groove wall surfaces; when the locking mechanism (60) is in the unlocking state, the clamping block (61) is disengaged from the clamping groove (321).

7. the post-inflation device of claim 6,

the second rod section (32) is provided with an annular clamping groove (321) which extends around the circumferential direction of the second rod section;

the clamping block (61) comprises a first sub-clamping block (611) and a second sub-clamping block (612) which are oppositely arranged, a first groove (613) is formed in the first sub-clamping block (611), a second groove (614) is formed in the second sub-clamping block (612), and the first groove (613) and the second groove (614) are in butt joint to form a locking hole (615);

when the locking mechanism (60) is in the locked state, the first sub-clamping block (611) and the second sub-clamping block (612) respectively extend into the clamping groove (321) from two sides of the second rod section (32), and clasp the second rod section (32) through the locking hole (615); when the locking mechanism (60) is in the locked state, the first sub-clamping block (611) and the second sub-clamping block (612) respectively move towards two sides of the second rod section (32) and are separated from the clamping groove (321).

8. A post-inflation device according to claim 7, wherein the locking mechanism (60) further comprises:

the guide seat (62) comprises a first positioning plate (621), a second positioning plate (622) and a guide plate (623), the first positioning plate (621) and the second positioning plate (622) are arranged at intervals along the first direction, the guide plate (623) is connected with the first ends of the first positioning plate (621) and the second positioning plate (622), the second ends of the first positioning plate (621) and the second positioning plate (622) are connected with the second rim connecting plate (40), a second avoidance hole (624) used for avoiding the second rod section (32) is formed in the guide plate (623), and the second avoidance hole (624) and the first avoidance hole (41) are arranged oppositely;

The first sub-clamping block (611) is clamped between the guide plate (623) and the second rim connecting disc (40), and the second sub-clamping block (612) is clamped between the guide plate (623) and the second rim connecting disc (40); the first sub-clamping block (611) and the second sub-clamping block (612) are both arranged between the first positioning plate (621) and the second positioning plate (622), the first sub-clamping block (611) is arranged close to the first positioning plate (621), and the second sub-clamping block (612) is arranged close to the second positioning plate (622);

the second driving part (63) comprises a second cylinder body (631) and a second output rod (632) which is telescopically arranged on the second cylinder body (631), the second cylinder body (631) is fixedly connected with the mounting plate (64), the mounting plate (64) is parallel to the second positioning plate (622), the second positioning plate (622) is located between the first positioning plate (621) and the mounting plate (64), a first abdicating hole (625) is formed in the second positioning plate (622), and the second output rod (632) penetrates through the first abdicating hole (625) and then is fixedly connected with the second sub-clamping block (612);

Connecting rod (65), second hole (626) of stepping down has been seted up on second locating plate (622), set up on second sub-fixture block (612) with second hole (616) of stepping down that hole (626) set up relatively, the one end of connecting rod (65) with mounting panel (64) fixed connection, the other end of connecting rod (65) passes second hole (626) of stepping down with behind third hole (616) of stepping down with first sub-fixture block (611) fixed connection.

9. the post-inflation device according to any one of claims 1 to 8,

The rear inflating device further comprises a support and a third driving part (110), the third driving part (110) comprises a third cylinder body (111) and a third output rod (112) telescopically arranged on the third cylinder body (111), the second rim connecting disc (40) is fixedly connected with the support, the first rim connecting disc (20) or the first cylinder body (11) is in sliding connection with the support, the third cylinder body (111) is fixedly connected with the support, and the third output rod (112) is in driving connection with the first rim connecting disc (20) or the first cylinder body (11); alternatively, the first and second electrodes may be,

The rear inflating device further comprises a support and a third driving piece (110), the third driving piece (110) comprises a third cylinder body (111) and a third output rod (112) which is telescopically arranged on the third cylinder body (111), the first rim connecting disc (20) or the first cylinder body (11) is fixedly connected with the support, the second rim connecting disc (40) is slidably connected with the support, the third cylinder body (111) is fixedly connected with the support, and the third output rod (112) is in driving connection with the second rim connecting disc (40).

10. The post-inflation device according to claim 4, wherein the first rim connecting plate (20), the second rim connecting plate (40), the first driving member (10), and the stopper (30) are each plural; the rear inflator further includes:

A column (70);

the middle beam (80) is fixedly connected with the upright post (70) and extends along the horizontal direction, one second rim connecting plate (40) is arranged above the middle beam (80), and the other second rim connecting plate (40) is arranged below the middle beam (80);

the upper beam (90) is connected with the upright column (70) in a sliding mode and located above the middle beam (80), and the upper beam (90) is fixedly connected with the first rim connecting plate (20);

The lower beam (100) is connected with the upright column (70) in a sliding mode and located below the middle beam (80), and the lower beam (100) is fixedly connected with the other first rim connecting plate (20);

The third driving part (110), the third driving part (110) includes a third cylinder (111) and a third output rod (112) telescopically arranged on the third cylinder (111), the third cylinder (111) is fixedly connected with the lower beam (100), and the third output rod (112) is fixedly connected with the upper beam (90).

11. The post-inflation device according to claim 4, wherein the first rim connecting plate (20), the second rim connecting plate (40), the first driving member (10), and the stopper (30) are each plural; the rear inflator further includes:

the cylinder comprises a vertical column (70), a connecting seat (120) and a middle beam (80), wherein the connecting seat (120) is arranged in parallel with the vertical column (70), the middle beam (80) is connected between the connecting seat (120) and the vertical column (70), the upper end and the lower end of the connecting seat (120) are respectively provided with a first rim connecting plate (20), and the first cylinder body (11) is connected with the connecting seat (120);

the upper beam (90) is connected with the upright column (70) in a sliding mode and located above the middle beam (80), and the upper beam (90) is fixedly connected with the second rim connecting plate (40);

The lower beam (100) is connected with the upright column (70) in a sliding mode and located below the middle beam (80), and the lower beam (100) is fixedly connected with the other second rim connecting plate (40);

the third driving part (110), the third driving part (110) includes a third cylinder (111) and a third output rod (112) telescopically arranged on the third cylinder (111), the third cylinder (111) is fixedly connected with the lower beam (100), and the third output rod (112) is fixedly connected with the upper beam (90).

12. the post-inflator according to claim 10 or 11, wherein a plurality of the first rim lands (20) are fixedly connected to the upper beam (90) at intervals in a length direction of the upper beam (90); or, along the length direction of the upper beam (90), the second rim connecting discs (40) are fixedly connected with the upper beam (90) at intervals.

13. The post-inflator according to claim 10 or 11, wherein the third driver (110), the intermediate beam (80), the upper beam (90), and the lower beam (100) are each provided in plurality, and the plurality of intermediate beams (80) are provided at intervals around a circumference of the pillar (70).