Holding structure and tire mounting device for tire vulcanizing machine

Abstract

The utility model provides an enclasping structure and a tire loading device for a tire vulcanizer, the enclasping structure is used for grabbing tire products, the enclasping structure comprises a supporting shaft, a plurality of enclasping pieces and a plurality of rotating assemblies, the supporting shaft is movably arranged, and the supporting shaft extends in the vertical direction; the plurality of enclasping pieces are arranged on the outer wall of the supporting shaft in an expanding and contracting manner, and the plurality of enclasping pieces are arranged around the supporting shaft to form an annular structure for positioning the tire product; the plurality of clasping pieces are used for being attached to the inner wall of the tire product and clasping the inner wall of the tire product; the multiple rotating assemblies and the multiple holding pieces are arranged in a one-to-one correspondence mode. The enclasping structure can effectively solve the technical problems that when a tire mounting device in the prior art grabs and carries a green body, due to the fact that the enclasping force of an enclasping assembly is insufficient, the green body is likely to be separated from the tire mounting device in the transferring process, and the risk that the green body falls off and is damaged is caused.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber machinery, and particularly relates to a clamping structure and a tire loading device for a tire vulcanizer. Background Art

[0002] In the existing tire production technology, after the forming process, various products need to be transferred to a vulcanizer for vulcanization. When vulcanization is required, the tire loading device first moves to the storage position where the green tire is stored; then, the clamping assembly in the tire loading device is inserted into the central hole of the green tire to clamp the green tire to be vulcanized; after clamping, the tire loading device moves the green tire above the lower mold of the vulcanizer, and finally places the green tire into the lower mold; after the green tire is placed, the vulcanization mold is closed for subsequent vulcanization work.

[0003] However, in order to facilitate the horizontal placement of the green tire into the lower mold, during the transfer of the green tire by the tire loading device, since the green tire is grabbed and moved in a horizontal posture (that is, the axis direction of the central hole of the green tire is perpendicular to the horizontal direction), when the weight of the grabbed green tire is too heavy, the green tire may separate from the clamping assembly in the tire loading device during the transfer process, and then fall to the ground, resulting in damage to the green tire and even safety accidents. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the above technical deficiencies, and provide a clamping structure and a tire loading device for a tire vulcanizer, so as to solve the technical problem that when the existing tire loading device grabs and transports a green tire, due to insufficient clamping force of the clamping assembly, the green tire may separate from the tire loading device during the transfer process, resulting in the risk of the green tire falling and being damaged.

[0005] To achieve the above technical purpose, according to one aspect of the utility model: a clamping structure is provided, which is used to grab a tire product. The clamping structure includes: a support shaft, a plurality of clamping members, and a plurality of rotating components. The support shaft is movably arranged and extends in the vertical direction; a plurality of clamping members are all arranged on the outer wall of the support shaft so as to be expandable and contractible, and the plurality of clamping members are arranged around the support shaft to form an annular structure for positioning the tire product; the plurality of clamping members are used to fit with the inner wall of the tire product and perform clamping; the plurality of rotating components are arranged in one-to-one correspondence with the plurality of clamping members; each rotating component is located between the corresponding clamping member and the support shaft, and both ends of each rotating component are respectively hinged to the corresponding clamping member and the support shaft; wherein, when the clamping structure completes the grasping of the tire product and drives the tire product away from the storage position, each rotating component rotates relative to the support shaft according to the gravity of the tire product to adjust the clamping force of each clamping member.

[0006] Further, the rotating assembly includes a first rotating arm and a second rotating arm. Two ends of the first rotating arm are respectively hinged to the clamping member and the support shaft. The second rotating arm is arranged at an interval from the first rotating arm along the extending direction of the support shaft, and the second rotating arm is located below the first rotating arm. Two ends of the second rotating arm are respectively hinged to the clamping member and the support shaft.

[0007] Further, the first rotating arm extends along a first arc track; the second rotating arm extends along a second arc track; and / or, a plurality of convex ribs are arranged on the fitting surface where the clamping member fits with the inner wall of the tire product, and the plurality of convex ribs are arranged at intervals on the fitting surface.

[0008] Further, the clamping structure further includes a transmission assembly. The transmission assembly is movably arranged on the support shaft, and the transmission output parts of the transmission assembly are respectively in transmission connection with the respective clamping members, so as to drive the respective clamping members to open or contract through the transmission assembly.

[0009] Further, the clamping structure further includes a driving assembly. The driving assembly is arranged on the support shaft, and the driving assembly is in driving connection with the transmission input part of the transmission assembly, so as to drive the transmission assembly to move through the driving assembly.

[0010] Further, the transmission assembly includes a movable sleeve and multiple groups of transmission arms. The movable sleeve is movably sleeved on the support shaft along the extending direction of the support shaft. The multiple groups of transmission arms are arranged in one-to-one correspondence with the multiple clamping members, and the multiple groups of transmission arms are evenly arranged at intervals along the circumferential direction of the movable sleeve. Two ends of each group of transmission arms are respectively hinged to the corresponding clamping member and the movable sleeve, and the end of each group of transmission arms far from the support shaft is located at the top of the corresponding clamping member. Thus, by reciprocally moving the movable sleeve along the extending direction of the support shaft, each group of transmission arms is driven to open or close. Wherein, each group of transmission arms is at least one transmission arm, and each transmission arm extends along a third arc track.

[0011] Further, a moving channel is arranged in the support shaft, and a guiding groove communicating with the moving channel is arranged on the outer wall of the support shaft. Both the moving channel and the guiding groove extend along the extending direction of the support shaft. The transmission assembly further includes a moving part and a guiding block. The moving part is movably arranged in the moving channel along the extending direction of the support shaft. The moving part is connected to the movable sleeve, so as to drive the movable sleeve to move along the extending direction of the support shaft through the moving part. The moving part forms the transmission input part of the transmission assembly. The guiding block is movably arranged in the guiding groove along the extending direction of the guiding groove. The guiding block is respectively connected to the moving part and the movable sleeve, and the moving part is connected to the movable sleeve through the guiding block.

[0012] According to another aspect of the present utility model, a tire loading device for a tire vulcanizer is provided. The tire loading device is used to grasp a green tire and drive the green tire to move along a preset trajectory to the lower die of a vulcanization mold for tire loading. The tire loading device includes: a moving structure and a clamping structure. The moving structure is movably arranged along the preset trajectory. The clamping structure is the above-mentioned clamping structure. The clamping structure is arranged on the moving structure and faces the ground. The moving structure drives the clamping structure to move along the preset trajectory.

[0013] Further, the moving structure includes: a moving component and a connecting component. The moving component is movably arranged along the preset trajectory. The connecting component has a connecting rod and a mounting seat. The connecting rod extends in the vertical direction and is movably inserted through at least a part of the moving component in the vertical direction. The mounting seat is connected to the connecting rod and is located below the moving component. The clamping structure is mounted on the mounting seat.

[0014] Further, the tire loading device includes: a lifting structure. The lifting structure is arranged on the moving component, and the driving end of the lifting structure is movably arranged relative to the moving component in the vertical direction. The driving end of the lifting structure is drivingly connected to the mounting seat. The lifting structure drives the mounting seat and the connecting rod to move, so as to drive the clamping structure to reciprocate in the vertical direction.

[0015] Beneficial effects:

[0016] Applying the technical solution of the present utility model, the clamping assembly provided by the present utility model is provided with a support shaft, a plurality of clamping members and a plurality of rotating components; the support shaft is movably arranged, and the plurality of clamping members are all arranged on the outer wall of the support shaft in a telescopic manner, and the plurality of clamping members are arranged around the support shaft. At the same time, the plurality of rotating components are arranged in one-to-one correspondence with the plurality of clamping members; each rotating component is located between the corresponding clamping member and the support shaft, and both ends of each rotating component are respectively hinged to the corresponding clamping member and the support shaft. Furthermore, when the clamping structure needs to grasp the tire product, the support shaft drives the plurality of clamping members in the contracted state to extend into the central hole of the tire product, and then each clamping member synchronously switches from the contracted state to the open state, so that each clamping member fits the inner wall of the tire product, thereby enabling each clamping member to clamp the tire product; then through the movement of the support shaft, when the clamping structure drives the tire product away from the storage position, each rotating component rotates relative to the support shaft according to the gravity of the tire product, so as to push each clamping member towards the inner wall of the tire product, so that each clamping member is closely attached to the inner wall of the tire product, thereby adjusting the clamping force of each clamping member. Thus, it can be seen that the plurality of clamping members are arranged on the support shaft in a telescopic manner and the plurality of clamping members are arranged around the support shaft, so that the clamping structure can adapt to tire products of different sizes, improving the versatility and flexibility of the device. And it ensures that the clamping force is evenly distributed on the inner wall of the tire product, avoiding excessive local force leading to deformation or damage of the tire product. At the same time, through the rotating component, the clamping force of the clamping member can be dynamically adjusted according to the gravity of the tire product, enabling the clamping structure to adapt to tire products of different weights, ensuring that the clamping force is always sufficient during the handling process. And by dynamically adjusting the clamping force and evenly distributing the force, the risk of the tire product falling off during the handling process is reduced, thereby avoiding damage to the tire product and improving the safety of the handling process, reducing potential safety accidents. In addition, by providing the rotating component, and the rotating component can automatically adjust the position of the clamping member according to the gravity of the tire product, the clamping structure reduces the dependence on a complex control system, making maintenance and debugging simpler. This clamping structure can effectively solve the technical problem in the prior art that when the tire loading device grasps and transports the green tire, due to insufficient clamping force of the clamping assembly, the green tire may separate from the tire loading device during the transfer process, resulting in the risk of the green tire falling and being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. 6 shows a schematic structural view of a first perspective of an embodiment of a clamping structure according to the present utility model;

[0018] Figure 2 FIG. 10 shows a schematic structural view of a second perspective of an embodiment of a clamping structure according to the present utility model;

[0019] Figure 3Shows a schematic structural diagram of a third perspective of an embodiment of a clamping structure according to the present utility model;

[0020] Figure 4 Shows a schematic structural diagram of an embodiment of a tire mounting device for a tire vulcanizing machine according to the present utility model.

[0021] Wherein, the above-mentioned drawings include the following reference numerals:

[0022] 100, clamping structure; 1, support shaft; 11, moving channel; 12, guiding groove; 2, clamping member; 21, fitting surface; 22, convex rib; 3, rotating assembly; 31, first rotating arm; 32, second rotating arm; 4, transmission assembly; 41, movable sleeve; 42, transmission arm; 43, moving member; 44, guiding block; 5, driving assembly; 6, first support seat; 7, second support seat; 200, moving structure; 201, moving assembly; 202, connecting assembly; 2021, connecting rod; 2022, mounting seat; 300, lifting structure. Detailed implementation manners

[0023] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0024] Please refer to Figures 1 to 3 , according to an embodiment of the present utility model, a clamping structure is provided. The clamping structure 100 is used to grasp a tire product. The clamping structure 100 includes: a support shaft 1, a plurality of clamping members 2 and a plurality of rotating assemblies 3. The support shaft 1 is movably arranged and extends in the vertical direction; a plurality of clamping members 2 are all arranged on the outer wall of the support shaft 1 in a telescopic manner, and the plurality of clamping members 2 are arranged around the support shaft 1 to form an annular structure for positioning the tire product; the plurality of clamping members 2 are used to fit and clamp the inner wall of the tire product; the plurality of rotating assemblies 3 are arranged in one-to-one correspondence with the plurality of clamping members 2; each rotating assembly 3 is located between the corresponding clamping member 2 and the support shaft 1, and both ends of each rotating assembly 3 are hingedly connected to the corresponding clamping member 2 and the support shaft 1 respectively; wherein, when the clamping structure 100 completes grasping the tire product and drives the tire product away from the storage position, each rotating assembly 3 rotates relative to the support shaft 1 according to the gravity of the tire product to adjust the clamping force of each clamping member 2.

[0025] It can be seen that the clamping assembly provided by the present utility model is provided with a support shaft 1, a plurality of clamping members 2 and a plurality of rotating assemblies 3; the support shaft 1 is movably arranged, and the plurality of clamping members 2 are all arranged on the outer wall of the support shaft 1 in a telescopic manner, and the plurality of clamping members 2 are arranged around the support shaft 1. At the same time, the plurality of rotating assemblies 3 are arranged in one-to-one correspondence with the plurality of clamping members 2; each rotating assembly 3 is located between the corresponding clamping member 2 and the support shaft 1, and both ends of each rotating assembly 3 are hinged to the corresponding clamping member 2 and the support shaft 1 respectively. Furthermore, when the clamping structure 100 needs to grasp a tire product, the support shaft 1 drives the plurality of clamping members 2 in a contracted state to extend into the central hole of the tire product, and then the plurality of clamping members 2 are synchronously switched from the contracted state to the opened state, so that each clamping member 2 fits against the inner wall of the tire product, thereby enabling each clamping member 2 to clamp the tire product; then through the movement of the support shaft 1, when the clamping structure 100 drives the tire product away from the storage position, each rotating assembly 3 rotates relative to the support shaft 1 according to the gravity of the tire product, so as to push each clamping member 2 towards the inner wall of the tire product, making each clamping member 2 closely fit against the inner wall of the tire product, thereby adjusting the clamping force of each clamping member 2. Thus, it can be seen that the plurality of clamping members 2 are arranged on the support shaft 1 in a telescopic manner and the plurality of clamping members 2 are arranged around the support shaft 1, so that the clamping structure can adapt to tire products of different sizes, improving the versatility and flexibility of the device. And it ensures that the clamping force is evenly distributed on the inner wall of the tire product, avoiding excessive local force that may cause deformation or damage to the tire product. At the same time, through the rotating assembly 3, the clamping force of the clamping member 2 can be dynamically adjusted according to the gravity of the tire product, enabling the clamping structure to adapt to tire products of different weights, ensuring that the clamping force is always sufficient during the handling process. And by dynamically adjusting the clamping force and evenly distributing the force, the risk of the tire product falling off during the handling process is reduced, thereby avoiding damage to the tire product and improving the safety of the handling process, and reducing potential safety accidents. In addition, by providing the rotating assembly 3, and the rotating assembly 3 can automatically adjust the position of the clamping member 2 according to the gravity of the tire product, the clamping structure 100 reduces its dependence on a complex control system, making maintenance and debugging simpler. This clamping structure can effectively solve the technical problem in the prior art that when a tire mounting device grasps and transports a green tire, due to insufficient clamping force of the clamping assembly, the green tire may separate from the tire mounting device during the transfer process, resulting in the risk of the green tire falling and being damaged.

[0026] Among them, the above-mentioned storage position refers to the position for storing tire products.

[0027] Specifically, as Figures 1 to 3As shown, the rotating assembly 3 includes: a first rotating arm 31 and a second rotating arm 32, the two ends of the first rotating arm 31 are respectively hinged to the clamping member 2 and the support shaft 1; the second rotating arm 32 and the first rotating arm 31 are arranged at intervals along the extension direction of the support shaft 1, and the second rotating arm 32 is located below the first rotating arm 31; the two ends of the second rotating arm 32 are respectively hinged to the clamping member 2 and the support shaft 1. With such a structure, by setting the first rotating arm 31 and the second rotating arm 32, and the first rotating arm 31 and the second rotating arm 32 are respectively hinged to the clamping member 2 and the support shaft 1, and then through the linkage design of the first rotating arm 31 and the second rotating arm 32, the clamping member 2 is more stable when it is opened or contracted. And the two rotating arms work together to improve the stability of the clamping member 2 when it is attached to the inner wall of the tire product, ensuring the clamping effect. At the same time, the first rotating arm 31 and the second rotating arm 32 jointly bear the force of the clamping member 2, so that the clamping force is more evenly distributed on the inner wall of the tire product. In addition, the use of a double-arm structure can also reduce the force borne by a single rotating arm, avoid excessive local force, and reduce the risk of damage to tire products.

[0028] Furthermore, the first rotating arm 31 extends along a first arc-shaped trajectory; the second rotating arm 32 extends along a second arc-shaped trajectory. With such a structural setting, by setting both the first rotating arm 31 and the second rotating arm 32 as rotating arms with arc-shaped trajectories, the holding member 2 can move along a smoother path during the opening or contraction process, reducing the impact and vibration during the movement. And the arc-shaped design allows the rotating arm to maintain a more uniform force distribution during the entire movement process. Through the arc-shaped trajectory, the rotating arm can maintain a relatively stable torque at different positions, reducing the phenomenon of stress concentration and improving the durability of the structure. At the same time, setting both the first rotating arm 31 and the second rotating arm 32 as rotating arms with arc-shaped trajectories allows the holding member 2 to maintain a good fit at different positions, improving the accuracy of grasping and releasing. And it helps to reduce the swing of the holding member 2 during movement, and improves the stability during grasping and carrying.

[0029] Furthermore, the inner arc of the first rotating arm 31 is arranged relative to the inner arc of the second rotating arm 32. The inner arc of the first rotating arm 31 and the inner arc of the second rotating arm 32 are arranged relative to each other, which can make the torque of the clamping member 2 more balanced during the opening or contraction process, reduce the shaking during the movement, and improve the stability of the clamping structure. It also enables the two rotating arms to better share the force during the movement, avoiding the situation where a single rotating arm is subjected to uneven force. At the same time, the relative arrangement of the inner arcs enables the two rotating arms to be more synchronized during movement, and improves the tightness of the clamping member 2 when it fits against the inner wall of the tire product. This synchronous action further improves the clamping effect and reliability of the clamping member 2, and further reduces the possibility of the tire product slipping during transportation.

[0030] Optionally, when the clamping structure 100 needs to grasp a tire product, first, the support shaft 1 drives a plurality of clamping members 2 in a contracted state to extend into the central hole of the tire product, and then each of the clamping members 2 synchronously switches from the contracted state to the open state, so that each of the clamping members 2 fits against the inner wall of the tire product, thereby enabling each of the clamping members 2 to clamp the tire product. Among them, during the opening process of each of the clamping members 2, the end of the corresponding first rotating arm 31 hinged to the support shaft 1 and the end of the corresponding second rotating arm 32 hinged to the support shaft 1 are driven to rotate, and thus the end of the first rotating arm 31 hinged to the corresponding clamping member 2 and the end of the second rotating arm 32 hinged to the corresponding clamping member 2 both move towards the direction of the inner wall of the tire product, thereby driving the end of the first rotating arm 31 hinged to the corresponding clamping member 2 and the end of the second rotating arm 32 hinged to the corresponding clamping member 2 to rotate relative to the clamping member 2, and further assisting in pushing the corresponding clamping member 2 to open.

[0031] Then, after each of the clamping members 2 clamps the tire product, when the clamping structure 100 drives the tire product away from the storage position through the movement of the support shaft 1, at this time, the end of the first rotating arm 31 hinged to the support shaft 1 rotates relative to the support shaft 1 and the end of the second rotating arm 32 hinged to the support shaft 1, and thus drives the end of the first rotating arm 31 hinged to the corresponding clamping member 2 and the end of the second rotating arm 32 hinged to the corresponding clamping member 2 to rotate relative to the clamping member 2, thereby pushing the corresponding clamping member 2 towards the inner wall of the tire product, so that each of the clamping members 2 closely fits against the inner wall of the tire product, thereby adjusting the clamping force of each of the clamping members 2.

[0032] Further, as Figures 1 to 3 shown, a plurality of convex ridges 22 are provided on the fitting surface 21 where the clamping member 2 fits against the inner wall of the tire product, and the plurality of convex ridges 22 are spaced apart on the fitting surface 21. With such a structural arrangement, by providing a plurality of convex ridges 22 on the fitting surface 21, the contact area between the clamping member 2 and the inner wall of the tire product is increased, thereby increasing the friction force, ensuring a firmer clamping, and reducing the risk of shaking and slipping during handling. And the convex ridge design can provide additional grasping force to prevent the tire product from sliding during handling, and provides an additional anti-slip function, reducing the instability caused by the sliding of the tire product during handling.

[0033] Further, as Figures 1 to 3 shown, a first support seat 6 is provided on the mounting surface of the clamping member 2 close to the support shaft 1. The first support seat 6 extends along the height direction of the clamping member 2, and the first support seat 6 protrudes from the mounting surface of the clamping member 2. The end of the first rotating arm 31 away from the support shaft 1 and the end of the second rotating arm 32 away from the support shaft 1 are both hinged to the first support seat 6.

[0034] Optionally, each clamping member 2 is provided with two first rotating arms 31 and two second rotating arms 32, and the two first rotating arms 31 are respectively located on both sides of the first support seat 6 to form a symmetrical structure; the two second rotating arms 32 are respectively located on both sides of the first support seat 6 to form a symmetrical structure. It can be understood that the two first rotating arms 31 are symmetrically arranged, and the two second rotating arms 32 are symmetrically arranged; this symmetrical design makes the torque of the clamping member more balanced during the opening or contraction process, reduces the shaking during the movement, and improves the overall stability of the clamping structure. Through the linkage of the four rotating arms, the clamping member 2 can obtain stronger support when it fits against the inner wall of the tire product. The synchronous action of multiple rotating arms makes the clamping member fit more tightly against the inner wall of the tire product, thereby improving the clamping effect.

[0035] In this embodiment, Figures 1 to 3 As shown, the clamping structure 100 also includes: a transmission component 4, which is movably arranged on the support shaft 1, and the transmission output part of the transmission component 4 is respectively connected to each clamping member 2, so as to drive each clamping member 2 to open or contract through the transmission component 4. With such a structural setting, the transmission component 4 is movably arranged on the support shaft 1, and the transmission output part of the transmission component 4 is respectively connected to each clamping member 2, so that each clamping member 2 can be driven by the same transmission component 4, and then through the drive of the transmission component 4, each clamping member 2 can be opened or contracted synchronously, thereby improving the accuracy and consistency of the operation. And through the unified driving force, the shaking that may occur in the clamping member 2 during the operation is reduced, and the overall stability of the clamping structure is improved.

[0036] Specifically, Figures 1 to 3 As shown, the clamping structure 100 further includes: a driving assembly 5, which is disposed on the supporting shaft 1, and is drivingly connected to a transmission input portion of the transmission assembly 4, so as to drive the transmission assembly 4 to move through the driving assembly 5.

[0037] Specifically, Figures 1 to 3As shown in the figure, the transmission assembly 4 includes: a movable sleeve 41 and multiple groups of transmission arms 42. The movable sleeve 41 is movably sleeved on the support shaft 1 along the extension direction of the support shaft 1; multiple groups of transmission arms 42 are arranged in one-to-one correspondence with multiple clamping members 2, and multiple groups of transmission arms 42 are evenly spaced along the circumferential direction of the movable sleeve 41; both ends of each group of transmission arms 42 are respectively hinged to the corresponding clamping member 2 and the movable sleeve 41, and the end of each group of transmission arms 42 far from the support shaft 1 is located at the top of the corresponding clamping member 2; so as to drive each group of transmission arms 42 to open or close by reciprocating movement of the movable sleeve 41 along the extension direction of the support shaft 1; wherein, each group of transmission arms 42 is at least one transmission arm 42, and each transmission arm 42 extends along a third arc track. With such a structural arrangement, by providing the movable sleeve 41 and multiple groups of transmission arms 42, all the clamping members 2 can be synchronously opened or contracted, improving the operation accuracy and consistency, and also reducing the complexity of the control system, making maintenance and debugging simpler. At the same time, the stability and versatility of the clamping structure 100 are enhanced, wear is reduced, and the service life is extended. In addition, each transmission arm 42 extends along a third arc track, making the movement of the clamping member 2 smoother during opening or closing. Moreover, the impact and vibration during movement are reduced, and the smoothness of the clamping structure is improved.

[0038] Among them, multiple groups of transmission arms 42 form the transmission output part of the transmission assembly 4.

[0039] Furthermore, as Figures 1 to 3 shown in the figure, a second support seat 7 is provided on the top of the clamping member 2. The second support seat 7 protrudes from the clamping member 2, and the end of each group of transmission arms 42 far from the support shaft 1 is hinged to the second support seat 7.

[0040] Optionally, each group of transmission arms 42 is two transmission arms 42. The two transmission arms 42 are respectively located on both sides of the second support seat 7 to form a symmetrical structure.

[0041] Specifically, as Figures 1 to 3As shown in the figure, a moving channel 11 is provided inside the support shaft 1, and a guiding groove 12 communicating with the moving channel 11 is provided on the outer wall of the support shaft 1. Both the moving channel 11 and the guiding groove 12 extend along the extending direction of the support shaft 1; the transmission assembly 4 further includes: a moving member 43 and a guiding block 44. The moving member 43 is movably arranged in the moving channel 11 along the extending direction of the support shaft 1. The moving member 43 is connected to the movable sleeve 41 to drive the movable sleeve 41 to move along the extending direction of the support shaft 1 through the moving member 43; the moving member 43 forms the transmission input part of the transmission assembly 4; the guiding block 44 is movably arranged in the guiding groove 12 along the extending direction of the guiding groove 12. The guiding block 44 is respectively connected to the moving member 43 and the movable sleeve 41. The moving member 43 is connected to the movable sleeve 41 through the guiding block 44. With such a structural arrangement, the moving member 43 serves as the transmission input part of the transmission assembly 4 and is connected to the movable sleeve 41 through the guiding block 44, making the transmission more precise. And the moving member 43 is connected to the movable sleeve 41 through the guiding block 44, enabling the force to be evenly transmitted to each clamping member 2. This design makes the moment more balanced during the opening or contraction process of the clamping member 2, reducing the shaking during the movement process. At the same time, by driving the movable sleeve 41 to move along the extending direction of the support shaft 1 through the moving member 43, all the clamping members 2 can perform the opening or contraction actions synchronously. This synchronous action makes the clamping effect more reliable, reducing the possibility of the tire product slipping during handling. In addition, the guiding block 44 is movably arranged in the guiding groove 12 along the extending direction of the guiding groove 12, providing a stable guiding function. And the design of the guiding groove 12 and the guiding block 44 reduces the shaking of the clamping member 2 during the movement process, improving the stability of the clamping structure.

[0042] Further, both the first rotating arm 31 and the second rotating arm 32 are arranged at intervals from the guiding groove 12 along the extending direction of the support shaft 1.

[0043] Optionally, the support shaft 1 is a hollow structure.

[0044] Further, the driving assembly 5 is arranged at the top end of the support shaft 1. The driving rod of the driving assembly 5 is telescopically inserted into the moving channel 11, and the driving end of the driving rod of the driving assembly 5 is connected to the moving member 43 to drive the moving member 43 to reciprocate along the extending direction of the moving channel 11 through the driving assembly 5.

[0045] Optionally, the driving assembly 5 is a cylinder.

[0046] Optionally, the process of the clamping structure 100 grasping the tire product away from the storage position is as follows:

[0047] In the initial state, the clamping structure 100 is located above the tire product, and each clamping member 2 is in a contracted state;

[0048] Clamping the tire product: The support shaft 1 drives each clamping member 2, rotating assembly 3 and transmission assembly 4 to move towards the tire product, so that each clamping member 2 is inserted into the central hole of the tire product; then, the driving assembly 5 drives the moving member 43 to move downward along the extension direction of the moving channel 11, thereby driving the guiding block 44 and the movable sleeve 41 to move downward together, so that one end of each transmission arm 42 hinged to the support shaft 1 rotates relative to the support shaft 1, causing each transmission arm 42 to open, and also driving one end of each transmission arm 42 hinged to the corresponding clamping member 2 to rotate relative to the corresponding clamping member 2, so as to push the corresponding clamping member 2 towards the inner wall of the tire product, so that each clamping member 2 is in an open state, and finally each clamping member 2 is closely attached to the inner wall of the tire product, and each clamping member 2 completes the clamping action.

[0049] Wherein, during the opening process of each clamping member 2, one end of the corresponding first rotating arm 31 hinged to the support shaft 1 and one end of the second rotating arm 32 hinged to the support shaft 1 are driven to rotate, so that one end of the first rotating arm 31 hinged to the corresponding clamping member 2 and one end of the second rotating arm 32 hinged to the corresponding clamping member 2 both move towards the inner wall of the tire product, thereby driving one end of the first rotating arm 31 hinged to the corresponding clamping member 2 and one end of the second rotating arm 32 hinged to the corresponding clamping member 2 to rotate relative to the clamping member 2, and further assisting in pushing the corresponding clamping member 2 to open.

[0050] Adjusting the clamping force: When the clamping structure 100 drives the tire product away from the storage position, one end of each first rotating arm 31 hinged to the support shaft 1 and one end of each second rotating arm 32 hinged to the support shaft 1 rotate relative to the support shaft 1 according to the gravity of the tire product, so that one end of each first rotating arm 31 hinged to the corresponding clamping member 2 and one end of each second rotating arm 32 hinged to the corresponding clamping member 2 both move towards the inner wall of the tire product, thereby driving one end of each first rotating arm 31 hinged to the corresponding clamping member 2 and one end of each second rotating arm 32 hinged to the corresponding clamping member 2 to rotate relative to the clamping member 2, and further pushing each clamping member 2 towards the inner wall of the tire product, so that each clamping member 2 is closely attached to the inner wall of the tire product, thereby adjusting the clamping force of each clamping member 2.

[0051] The present utility model also provides a tire loading device for a tire vulcanizer, such as Figure 4As shown, the tire mounting device is used to grasp the green tire and drive the green tire to move along a preset trajectory to the lower mold of the vulcanization mold for tire mounting. The tire mounting device includes a moving structure 200 and a clamping structure 100. The moving structure 200 is movably arranged along the preset trajectory. The clamping structure 100 is the clamping structure 100 in the above embodiment. The clamping structure 100 is arranged on the moving structure 200 and faces the ground. The moving structure 200 drives the clamping structure 100 to move along the preset trajectory. With such a structural arrangement, the moving structure 200 moves according to the preset trajectory, ensuring that the position of each movement is accurate. The design of the moving structure 200 and the clamping structure 100 makes the entire grasping and handling process more efficient. At the same time, through the combination of the moving structure 200 and the clamping structure 100, the tire mounting device can efficiently and accurately move the tire green tire from the storage position to the lower mold of the vulcanization mold for tire mounting. And it improves the production efficiency and reduces the errors caused by manual operation.

[0052] Specifically, as Figure 4 shown, the moving structure 200 includes a moving component 201 and a connecting component 202. The moving component 201 is movably arranged along the preset trajectory. The connecting component 202 has a connecting rod 2021 and a mounting seat 2022. The connecting rod 2021 extends in the vertical direction and is movably inserted through at least part of the moving component 201 in the vertical direction. The mounting seat 2022 is connected to the connecting rod 2021 and is located below the moving component 201. The clamping structure 100 is mounted on the mounting seat 2022.

[0053] Further, the driving component 5 of the clamping structure 100 is located above the mounting seat 2022. The support shaft 1, each clamping member 2, the rotating component 3 and the transmission component 4 of the clamping structure 100 are all located below the mounting seat 2022. The driving end of the driving component 5 passes through the mounting seat 2022 and the moving channel 11 to be connected to the moving member 43.

[0054] Specifically, as Figure 4 shown, the tire mounting device includes a lifting structure 300. The lifting structure 300 is arranged on the moving component 201, and the driving end of the lifting structure 300 is movably arranged relative to the moving component 201 in the vertical direction. The driving end of the lifting structure 300 is drivingly connected to the mounting seat 2022. The lifting structure 300 drives the clamping structure 100 to move reciprocally in the vertical direction by driving the mounting seat 2022 and the connecting rod 2021 to move.

[0055] Optionally, the working process of the tire mounting device for a tire vulcanizer is as follows:

[0056] First, by moving the moving structure 200 along a preset trajectory, the clamping structure 100 is driven to move above the green embryo. Then, the lifting structure 300 drives the mounting seat 2022 and the connecting rod 2021 to move downward relative to the moving assembly 2021, thereby driving the clamping structure 100 to move downward, so that each clamping member 2 of the clamping structure 100 is inserted into the central hole of the green embryo. Finally, the clamping structure 100 performs a clamping action.

[0057] Secondly, after the clamping structure 100 completes the clamping action, the lifting structure 300 drives the mounting seat 2022 and the connecting rod 2021 to move upward relative to the moving assembly 2021, driving the clamping structure 100 and the green embryo to rise to a preset height. Then, the moving assembly 2021 drives the green embryo to move along a preset trajectory towards the lower mold of the vulcanization mold.

[0058] Finally, when the moving assembly 2021 drives the green embryo to move above the lower mold of the vulcanization mold, the green embryo is placed into the lower mold of the vulcanization mold through the lifting structure 300. After being placed, the clamping structure 100 switches from the clamping state to the avoidance state, so that the clamping structure 100 is separated from the green embryo. Finally, the lifting structure 300 and the moving structure 200 drive the clamping structure 100 away from the lower mold of the vulcanization mold to facilitate subsequent processes.

[0059] The present utility model provides a clamping structure 100 for grasping a tire product. The clamping structure 100 includes: a support shaft 1, a plurality of clamping members 2, and a plurality of rotating assemblies 3. The support shaft 1 is movably arranged and extends in the vertical direction. A plurality of clamping members 2 are all arranged on the outer wall of the support shaft 1 so as to be expandable and contractible, and the plurality of clamping members 2 are arranged around the support shaft 1 to form an annular structure for positioning the tire product. The plurality of clamping members 2 are used to be in contact with the inner wall of the tire product and perform clamping. A plurality of rotating assemblies 3 are arranged in one-to-one correspondence with the plurality of clamping members 2. Each rotating assembly 3 is located between the corresponding clamping member 2 and the support shaft 1, and both ends of each rotating assembly 3 are respectively hinged to the corresponding clamping member 2 and the support shaft 1. Wherein, when the clamping structure 100 completes the grasping of the tire product and drives the tire product away from the storage position, each rotating assembly 3 rotates relative to the support shaft 1 according to the gravity of the tire product to adjust the clamping force of each clamping member 2.

[0060] It can be seen that the clamping assembly provided by the present utility model is provided with a support shaft 1, a plurality of clamping members 2 and a plurality of rotating assemblies 3; the support shaft 1 is movably arranged, the plurality of clamping members 2 are all arranged on the outer wall of the support shaft 1 in a telescopic manner, and the plurality of clamping members 2 are arranged around the support shaft 1. At the same time, the plurality of rotating assemblies 3 are arranged in one-to-one correspondence with the plurality of clamping members 2; each rotating assembly 3 is located between the corresponding clamping member 2 and the support shaft 1, and both ends of each rotating assembly 3 are hinged to the corresponding clamping member 2 and the support shaft 1 respectively. Furthermore, when the clamping structure 100 needs to grasp a tire product, the support shaft 1 drives the plurality of clamping members 2 in a contracted state to extend into the central hole of the tire product, and then the plurality of clamping members 2 synchronously switch from the contracted state to the open state, so that each clamping member 2 fits against the inner wall of the tire product, thereby enabling each clamping member 2 to clamp the tire product; then through the movement of the support shaft 1, when the clamping structure 100 drives the tire product away from the storage position, each rotating assembly 3 rotates relative to the support shaft 1 according to the gravity of the tire product, so as to push each clamping member 2 towards the inner wall of the tire product, making each clamping member 2 fit tightly against the inner wall of the tire product, thereby adjusting the clamping force of each clamping member 2. Thus, it can be seen that by arranging the plurality of clamping members 2 in a telescopic manner on the support shaft 1 and arranging the plurality of clamping members 2 around the support shaft 1, the clamping structure can thus adapt to tire products of different sizes, improving the versatility and flexibility of the device. And it ensures that the clamping force is evenly distributed on the inner wall of the tire product, avoiding excessive local stress resulting in deformation or damage to the tire product. At the same time, through the rotating assembly 3, the clamping force of the clamping member 2 can be dynamically adjusted according to the gravity of the tire product, enabling the clamping structure to adapt to tire products of different weights and ensuring that the clamping force is always sufficient during the handling process. And by dynamically adjusting the clamping force and evenly distributing the force, the risk of the tire product falling off during the handling process is reduced, thereby avoiding damage to the tire product and improving the safety of the handling process, and reducing potential safety accidents. In addition, by arranging the rotating assembly 3, and the rotating assembly 3 can automatically adjust the position of the clamping member 2 according to the gravity of the tire product, the clamping structure 100 thus reduces its dependence on a complex control system, making maintenance and debugging simpler. This clamping structure can effectively solve the technical problem in the prior art that when the tire loading device grasps and transports a green tire, due to insufficient clamping force of the clamping assembly, there may be a risk that the green tire separates from the tire loading device during the transfer process, causing the green tire to fall and be damaged.

[0061] It should be noted that the terms "first", "second", etc. in the specification, claims and above-mentioned drawings of this application are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments of this application described here can be implemented in an order other than those illustrated or described here. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0062] Optionally, the specific examples in this embodiment may refer to the examples described in the above-mentioned embodiments, and will not be repeated here.

[0063] The serial numbers of the above-mentioned embodiments of this application are only for description and do not represent the superiority or inferiority of the embodiments.

[0064] In the above-mentioned embodiments of this application, the descriptions of each embodiment have their own focuses. For the parts not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0065] The above are only the preferred embodiments of this application. It should be noted that for those of ordinary skill in the art, without departing from the principle of this application, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of this application.

Claims

1. A clamping structure, the clamping structure (100) being used for grasping a tire product, characterized in that, The clamping structure (100) includes: A support shaft (1), the support shaft (1) is movably arranged, and the support shaft (1) extends in the vertical direction; A plurality of clamping members (2), the plurality of clamping members (2) are all arranged to be expandable and contractible on the outer wall of the support shaft (1), and the plurality of clamping members (2) are arranged around the support shaft (1) to form an annular structure for positioning the tire product; the plurality of clamping members (2) are used to fit against the inner wall of the tire product and clamp it; A plurality of rotating components (3), the plurality of rotating components (3) are arranged in one-to-one correspondence with the plurality of clamping members (2); each rotating component (3) is located between the corresponding clamping member (2) and the support shaft (1), and both ends of each rotating component (3) are hingedly connected to the corresponding clamping member (2) and the support shaft (1); Wherein, when the clamping structure (100) completes the grasping of the tire product and drives the tire product away from the storage position, each of the rotating components (3) rotates relative to the support shaft (1) according to the gravity of the tire product to adjust the clamping force of each of the clamping members (2).

2. The clamping structure according to claim 1, wherein The rotating component (3) includes: A first rotating arm (31), both ends of the first rotating arm (31) are hinged to the clamping member (2) and the support shaft (1); A second rotating arm (32), the second rotating arm (32) is arranged at an interval from the first rotating arm (31) along the extending direction of the support shaft (1), and the second rotating arm (32) is located below the first rotating arm (31); both ends of the second rotating arm (32) are hinged to the clamping member (2) and the support shaft (1).

3. The clamping structure according to claim 2, wherein The first rotating arm (31) extends along a first arc track; the second rotating arm (32) extends along a second arc track; and / or, A plurality of convex ridges (22) are provided on the fitting surface (21) of the clamping member (2) that fits against the inner wall of the tire product, and the plurality of convex ridges (22) are arranged at intervals on the fitting surface (21).

4. The holding structure according to claim 1, wherein, The clamping structure (100) further includes: a transmission component (4), the transmission component (4) is movably arranged on the support shaft (1), and the transmission output parts of the transmission component (4) are respectively in transmission connection with the respective clamping members (2) to drive the respective clamping members (2) to open or contract through the transmission component (4).

5. The clamping structure according to claim 4, characterized in that, The clamping structure (100) further includes: a driving component (5), the driving component (5) is arranged on the support shaft (1), and the driving component (5) is in driving connection with the transmission input part of the transmission component (4) to drive the transmission component (4) to move through the driving component (5).

6. The clamping structure according to claim 4, wherein, The transmission component (4) includes: A movable sleeve (41), the movable sleeve (41) is movably sleeved on the support shaft (1) along the extending direction of the support shaft (1); Multiple groups of transmission arms (42), where multiple groups of the transmission arms (42) are arranged in one-to-one correspondence with multiple of the clamping members (2), and multiple groups of the transmission arms (42) are evenly spaced along the circumferential direction of the movable sleeve (41); both ends of each group of the transmission arms (42) are respectively hinged to the corresponding clamping member (2) and the movable sleeve (41), and one end of each group of the transmission arms (42) away from the support shaft (1) is located at the top of the corresponding clamping member (2); so as to drive each group of the transmission arms (42) to open or close by reciprocating movement of the movable sleeve (41) along the extension direction of the support shaft (1). Among them, each group of the transmission arms (42) is at least one of the transmission arms (42), and each of the transmission arms (42) extends along a third arc track.

7. The clamping structure according to claim 6, wherein, A moving channel (11) is provided inside the support shaft (1), and a guiding groove (12) communicating with the moving channel (11) is provided on the outer wall of the support shaft (1), and both the moving channel (11) and the guiding groove (12) extend along the extension direction of the support shaft (1); the transmission assembly (4) further includes:[[]] A moving member (43), the moving member (43) is movably arranged in the moving channel (11) along the extension direction of the support shaft (1), and the moving member (43) is connected to the movable sleeve (41) to drive the movable sleeve (41) to move along the extension direction of the support shaft (1) through the moving member (43); the moving member (43) forms the transmission input part of the transmission assembly (4). A guiding block (44), the guiding block (44) is movably arranged in the guiding groove (12) along the extension direction of the guiding groove (12), the guiding block (44) is respectively connected to the moving member (43) and the movable sleeve (41), and the moving member (43) is connected to the movable sleeve (41) through the guiding block (44).

8. A tire mounting device for a tire vulcanizer, characterized in that, The tire mounting device is used to grasp the green tire and drive the green tire to move along a preset track to the lower die of the vulcanizing die for tire mounting; the tire mounting device includes:[[]] A moving structure (200), the moving structure (200) is movably arranged along the preset track. A clamping structure (100), the clamping structure (100) is the clamping structure (100) of any one of claims 1 to 7, the clamping structure (100) is arranged on the moving structure (200), and the clamping structure (100) faces the ground; the moving structure (200) drives the clamping structure (100) to move along the preset track.

9. The tire mounting device according to claim 8, characterized in that, The moving structure (200) includes:[[]] A moving assembly (201), the moving assembly (201) is movably arranged along the preset track. A connecting component (202), the connecting component (202) having a connecting rod (2021) and a mounting seat (2022), the connecting rod (2021) extending in the vertical direction, and the connecting rod (2021) being movably disposed in at least a part of the moving component (201) along the vertical direction; the mounting seat (2022) is connected to the connecting rod (2021), and the mounting seat (2022) is located below the moving component (201), and the clamping structure (100) is mounted on the mounting seat (2022).

10. The tire mounting device according to claim 9, characterized in that, The tire mounting device includes: a lifting structure (300), the lifting structure (300) being disposed on the moving component (201), and a driving end of the lifting structure (300) being movably disposed relative to the moving component (201) along the vertical direction; the driving end of the lifting structure (300) is drivingly connected to the mounting seat (2022), and the lifting structure (300) drives the mounting seat (2022) and the connecting rod (2021) to move, so as to drive the clamping structure (100) to reciprocate along the vertical direction.

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