CN218196401U - Tire grabbing device - Google Patents

Abstract

The utility model provides a grab child device. The tire gripping device includes: a mounting seat; the driving assembly is in driving connection with the mounting seat and can drive the mounting seat to move along the horizontal direction and/or the vertical direction; the clamping jaw assembly comprises a plurality of clamping jaw assemblies, the plurality of clamping jaw assemblies are arranged at intervals around the circumferential direction of the mounting seat, at least one part of each clamping jaw assembly can move along the radial direction of the mounting seat, each clamping jaw assembly comprises a telescopic portion and two clamping arms respectively connected with the telescopic portion, and a clamping space used for grabbing a tire body is formed between the two clamping arms. The utility model provides an among the prior art vulcanizer get put matrix difficulty, inefficiency, security poor problem.

Description

Tire grabbing device

Technical Field

The utility model relates to a tire production facility field particularly, relates to a grab child device.

Background

Currently, during the process of loading and unloading the tire body in the vulcanizing machine, the tire body to be vulcanized is usually placed on the vulcanizing machine manually for vulcanization or the vulcanized tire body is taken off from the vulcanizing machine by means of manual picking. The operation mode of completely depending on manual loading and unloading of the tire tread is time-consuming and labor-consuming, and has low working efficiency. And manual operation, the security is poor, brings very big potential safety hazard for tire factory, simultaneously greatly reduced production efficiency, increased the manufacturing cost of tire.

Therefore, the problems that the tire body is difficult to take and place by the vulcanizing machine, the efficiency is low and the safety is poor exist in the prior art.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a grab child device to solve among the prior art vulcanizer and get the problem that matrix difficulty, inefficiency, security are poor.

In order to achieve the above object, according to an aspect of the present invention, there is provided a tire gripping device, including: a mounting seat; the driving assembly is in driving connection with the mounting seat and can drive the mounting seat to move along the horizontal and/or vertical direction; jaw assembly, jaw assembly are a plurality of, and a plurality of jaw assembly set up around the circumference interval of mount pad, and jaw assembly's at least some can follow the radial motion of mount pad, and jaw assembly includes pars contractilis and two centre gripping arms of being connected with the pars contractilis respectively, and has the centre gripping space that is used for snatching the matrix between two centre gripping arms.

Further, the mount includes: the body part is connected with the driving assembly; the guide parts are arranged at intervals around the circumferential direction of the body part, each guide part is provided with at least one jaw assembly, and at least one part of each jaw assembly can move along the guide part; one end of the connecting rod assembly is movably connected with the body part, and the other end of the connecting rod assembly is movably connected with the clamping jaw assembly.

Further, a plurality of guide portions and a plurality of jaw assemblies are in one-to-one correspondence, one of the guide portions and the jaw assemblies having a guide groove extending along the body portion, and the other having a guide projection engaged with the guide groove.

Further, the guide part comprises a guide plate, the width direction of the guide plate is parallel to the axial direction of the body part, the length direction of the guide plate is the same as the radial direction of the body part, and an avoiding notch is formed in one side, facing the connecting rod assembly, of the guide plate.

Further, the connecting rod assembly includes: adjusting a rod; one end of the adjusting rod is movably connected with the body part, and the other end of the adjusting rod is connected with the adjusting disk; the connecting rod, the connecting rod is a plurality of, a plurality of connecting rods and a plurality of jack catch subassembly one-to-one, the circumference interval setting around the adjustment disk of a plurality of connecting rods, the both ends of connecting rod respectively with adjustment disk and jack catch subassembly swing joint, and the connecting rod is located the below of guide part.

Further, the axial direction of the adjusting rod is parallel to the axial direction of the body part; and/or the adjustment disk is parallel to the body portion.

Further, the jaw assembly further comprises a mounting frame, the mounting frame is movably arranged on the mounting base, and the two clamping arms are movably arranged on the mounting frame respectively.

Further, the jack catch subassembly has constriction position and extended position, and when the jack catch subassembly switched to constriction position by extended position, the jack catch subassembly moved along the direction of the centre of a circle that is close to the mount pad, and the top of mounting bracket has spacing chimb, and when the jack catch subassembly was in constriction position, the mutual butt of spacing chimb of adjacent jack catch subassembly, and the line of the spacing chimb of all mounting brackets was circular.

Furthermore, the two clamping arms are arranged oppositely, the clamping arms are Z-shaped and comprise a first section, a second section and a third section which are connected in sequence, the first section and the third section are respectively parallel to the axial direction of the mounting seat, one end, close to the third section, of the second section is movably connected with the mounting seat, a clamping space is formed between the two third sections, and one ends, far away from the second section, of the two first sections are respectively connected with the telescopic part.

Further, the telescopic part is a telescopic cylinder, the first section of one of the clamping arms is connected with the telescopic cylinder, and the first section of the other clamping arm is connected with the telescopic end of the telescopic cylinder.

Use the technical scheme of the utility model, the child device of grabbing in this application includes mount pad, drive assembly and jack catch subassembly. The driving assembly is in driving connection with the mounting seat and can drive the mounting seat to move along the horizontal direction and/or the vertical direction; the claw assembly is a plurality of, and a plurality of claw assembly set up around the circumference interval of mount pad, and the radial motion of mount pad can be followed to at least some of claw assembly, and claw assembly includes pars contractilis and two centre gripping arms of being connected with pars contractilis respectively, and has the centre gripping space that is used for snatching the matrix between two centre gripping arms.

When using the tire grabbing device in this application, because drive assembly can drive the mount pad and move along horizontal direction and vertical direction, set up like this and guaranteed that drive assembly can drive the mount pad and switch between the position of picking up the matrix and the position of placing the matrix to can also realize the placing of matrix and pick up the matrix through the lift of drive mount pad. That is to say, when the tire body to be vulcanized needs to be grabbed, the mounting seat can be driven to move to the position for placing the tire body to be vulcanized through the driving assembly, then the driving assembly continues to drive the mounting seat to move, the mounting seat is close to the tire body to be vulcanized, the tire body is picked up through the claw assembly, then the driving assembly drives the mounting seat, the claw assembly and the picked tire body to be vulcanized to move to the upper part of the vulcanizing machine, namely the position for placing the tire body, then the claw assembly loosens the tire body to be vulcanized, and therefore the operation for placing the tire body to be vulcanized on the vulcanizing machine is completed. The drive assembly may then drive the mount to move the gripper assembly away from the press and through the press to vulcanize the carcass. And after the tire body is vulcanized, the driving assembly can drive the mounting seat to move to the position of the vulcanizing machine, the vulcanized tire body is taken out of the vulcanizing machine through the jaw assembly, and the driving assembly continues to drive the mounting seat to move so as to place the vulcanized tire body. And when the clamping jaw assembly clamps or releases the tire body, the two clamping arms can be driven by the telescopic parts and the size of the clamping space can be changed. Consequently, grab child device in this application has solved effectively among the prior art vulcanizer and has got the problem that matrix is difficult, inefficiency, security are poor.

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 shows a schematic structural view of a tire gripping device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram showing the positional relationship of the mounting block, the jaw assembly, the tire storage block and the tensioning assembly of the tire gripping device of FIG. 1;

fig. 3 shows a schematic diagram of the relationship between the claw assembly and the carcass of the tire gripping device in fig. 2.

Wherein the figures include the following reference numerals:

10. a mounting seat; 11. a body portion; 12. a guide portion; 13. a connecting rod assembly; 131. adjusting a rod; 132. an adjusting disk; 133. a connecting rod; 20. a drive assembly; 30. a jaw assembly; 31. a telescopic part; 32. a clamp arm; 33. a mounting frame; 40. a carcass; 50. storing a tire seat; 60. a tension assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem that the tire body is difficult to take and place, low in efficiency and poor in safety of a vulcanizing machine in the prior art, the application provides a tire grabbing device.

As shown in fig. 1 to 3, the tire gripping device of the present application includes a mounting base 10, a driving assembly 20, and a claw assembly 30. The driving assembly 20 is in driving connection with the mounting base 10 and can drive the mounting base 10 to move in the horizontal and/or vertical direction; the jaw assemblies 30 are multiple, the jaw assemblies 30 are arranged around the mounting seat 10 at intervals in the circumferential direction, at least one part of the jaw assemblies 30 can move along the radial direction of the mounting seat 10, each jaw assembly 30 comprises a telescopic portion 31 and two clamping arms 32 connected with the telescopic portion 31 respectively, and a clamping space for grabbing a tire body is formed between the two clamping arms 32.

When the tire grabbing device in the application is used, as the driving assembly 20 can drive the mounting seat 10 to move along the horizontal direction and the vertical direction, the arrangement ensures that the driving assembly 20 can drive the mounting seat 10 to switch between the position for picking up the tire body and the position for placing the tire body, and can also realize the placement of the tire body 40 and the picking up of the tire body 40 through the lifting of the driving mounting seat 10. That is, when a carcass to be vulcanized needs to be grabbed, the mounting seat 10 may be driven by the driving assembly 20 to move to the position where the carcass to be vulcanized is placed, then the driving assembly 20 continues to drive the mounting seat 10 to move, and the mounting seat 10 is made to approach the carcass to be vulcanized, so as to pick up the carcass by the gripper assembly 30, then the driving assembly 20 drives the mounting seat 10, the gripper assembly 30 and the picked carcass to be vulcanized to move to the upper side of the vulcanizing machine, that is, the position where the carcass is placed, and then the gripper assembly 30 releases the carcass to be vulcanized, so as to complete the operation of placing the carcass to be vulcanized on the vulcanizing machine. Thereafter, the driving assembly 20 may drive the mounting seat 10 to move the jaw assembly 30 away from the vulcanizer and vulcanize the tire casing through the vulcanizer. After the tire body is vulcanized, the driving assembly 20 can drive the mounting seat 10 to move to the position of the vulcanizing machine, take the vulcanized tire body out of the vulcanizing machine through the claw assembly 30, and continue to drive the mounting seat 10 to move through the driving assembly 20 so as to place the vulcanized tire body. And, when the claw assembly 30 clamps or releases the tire body, it can be realized by driving the two clamping arms 32 through the telescopic part 31 and changing the size of the clamping space. Consequently, grab child device in this application has solved effectively among the prior art vulcanizer and has got the problem that matrix is difficult, inefficiency, security are poor.

That is, in the present application, the mounting seat 10 is used for mounting and adjusting the claw assembly 30, and the driving assembly 20 is used for achieving the purpose of changing the tire body gripping or placing position by driving the mounting seat 10, or the tire body is conveyed by the driving assembly 20.

Moreover, it should be noted that, in the present application, since the carcass is generally circular, the purpose of arranging the plurality of claw assemblies 30 at intervals around the circumferential direction of the mounting seat 10 is to ensure that the plurality of claw assemblies 30 enclose a circle corresponding to the carcass, so that different positions of the circumferential edge of the carcass can be grasped by the plurality of claw assemblies 30. The purpose of arranging at least a part of the jaw assemblies 30 to be capable of moving along the radial direction of the mounting seat 10 is to ensure that the radius of the circle formed by the plurality of jaw assemblies 30 can be adjusted through the movement of the jaw assemblies 30, so that the plurality of jaw assemblies 30 can grab carcasses with different sizes.

Specifically, the mount 10 includes a body portion 11, a guide portion 12, and a link assembly 13. The body part 11 is connected with the driving assembly 20; the number of the guide parts 12 is multiple, the guide parts 12 are arranged at intervals around the circumference of the body part 11, at least one jaw assembly 30 is arranged on each guide part 12, and at least one part of each jaw assembly 30 can move along the guide part 12; one end of the connecting rod assembly 13 is movably connected with the body part 11, and the other end of the connecting rod assembly 13 is movably connected with the jaw assembly 30. Preferably, the plurality of guide portions 12 and the plurality of jaw assemblies 30 correspond one to one, and one of the guide portions 12 and the jaw assemblies 30 has a guide groove extending along the body portion 11, and the other has a guide projection engaged with the guide groove. That is, in the present application, when it is required to adjust the radius of the circle surrounded by the plurality of jaw assemblies 30, the jaw assemblies 30 can be moved along the guide portion 12 by the link assembly 13. Through the matching of the guide groove and the guide protrusion, the moving direction of the jaw assembly 30 can be effectively limited, and in the process that the connecting rod assembly 13 drives the jaw assembly 30 to move, the jaw assembly 30 cannot be separated from the guide part 12, so that the use performance of the tire grabbing device is guaranteed.

Alternatively, the guide portion 12 includes a guide plate, a width direction of the guide plate is parallel to an axial direction of the body portion 11, a length direction of the guide plate is the same as a radial direction of the body portion 11, and a side of the guide plate facing the link assembly 13 has an escape notch.

In one particular embodiment of the present application, the linkage assembly 13 includes an adjustment lever 131, an adjustment disc 132, and a connecting rod 133. One end of the adjusting rod 131 is movably connected with the body part 11, and the other end of the adjusting rod 131 is connected with the adjusting disc 132; the connecting rods 133 are multiple, the connecting rods 133 correspond to the jaw assemblies 30 one by one, the connecting rods 133 are arranged at intervals around the circumferential direction of the adjusting disc 132, two ends of the connecting rods 133 are movably connected with the adjusting disc 132 and the jaw assemblies 30 respectively, and the connecting rods 133 are located below the guide portion 12. The axial direction of the adjustment lever 131 is parallel to the axial direction of the main body 11, and the adjustment disk 132 is parallel to the main body 11. It should be noted that in the present embodiment, the axial direction of the adjusting rod 131 is a vertical direction, the radial direction of the adjusting disk 132 is a horizontal direction, and the plurality of jaw assemblies 30 are located at the same height, or a circle surrounded by the plurality of jaw assemblies 30 is parallel to the adjusting disk 132. Therefore, when the radius of the circle surrounded by the plurality of jaw assemblies 30 is adjusted, the adjustment disc 132 can be moved by the adjustment rod 131 in the vertical direction. In the present application, when the adjustment lever 131 moves the adjustment disc 132 in the vertical direction, the distance between the adjustment disc 132 and the body portion 11 is changed. When the adjusting rod 131 drives the adjusting disk 132 to move upwards, the distance between the adjusting disk 132 and the body 11 becomes smaller, the diameter of the circle surrounded by the plurality of jaw assemblies 30 becomes smaller, and the included angle between the connecting rod 133 and the horizontal direction increases. When the adjusting rod 131 drives the adjusting disk 132 to move downwards, the distance between the adjusting disk 132 and the body 11 becomes larger, the diameter of the circle surrounded by the plurality of jaw assemblies 30 becomes larger, and the included angle between the connecting rod 133 and the horizontal direction is reduced.

In the present application, the adjustment rod 131 may be adjusted and fixed by a manual adjustment method, or the adjustment rod 131 may be adjusted by driving the cylinder.

Specifically, jaw assembly 30 further includes a mounting bracket 33, mounting bracket 33 is movably disposed on mounting base 10, and two clamping arms 32 are respectively movably disposed on mounting bracket 33. And, jaw assembly 30 has contraction position and extended position, when jaw assembly 30 switches to contraction position by extended position, jaw assembly 30 moves along the direction of being close to the centre of a circle of mount pad 10, and the top of mounting bracket 33 has spacing chimb, and when jaw assembly 30 was in the contraction position, adjacent jaw assembly 30's spacing chimb butt each other, and the line of all mounting bracket 33's spacing chimb was circular.

In an embodiment of the present application, the two holding arms 32 are disposed opposite to each other, the holding arms 32 are in a zigzag shape and include a first section, a second section, and a third section, which are sequentially connected to each other, the first section and the third section are respectively parallel to the axial direction of the mounting base 10, one end of the second section close to the third section is movably connected to the mounting base 10, a holding space is formed between the two third sections, and one ends of the two first sections far away from the second section are respectively connected to the telescopic portion 31. Preferably, the telescopic part 31 is a telescopic cylinder, wherein the first section of one of the clamping arms 32 is connected with the telescopic cylinder, and the first section of the other clamping arm 32 is connected with the telescopic end of the telescopic cylinder. That is, the change of the gripping space between the two gripping arms 32 in the present application is achieved by the extension and contraction of the telescopic cylinder. When the telescopic end of the telescopic cylinder extends outwards, the distance between the ends of the two first sections of the two clamping arms 32 far away from the second section is increased, the distance between the ends of the two third sections far away from the second section is decreased, and the clamping space is decreased at the moment. When the telescopic end of the telescopic cylinder is contracted, the distance between the ends of the two first sections of the two clamping arms 32 far away from the second section is reduced, the distance between the ends of the two third sections far away from the second section is increased, and the clamping space is increased.

In the present application, the tire gripping device may further include a tire storage seat 50 and a tensioning assembly 60, the tensioning assembly 60 has a plurality of abutting surfaces, the plurality of abutting surfaces are arranged around the axial direction of the tensioning assembly 60 at intervals, and at least one part of the tensioning assembly 60 is movably arranged on the tire storage seat 50 to enable the abutting surfaces to move along the radial direction of the tensioning assembly 60. Because of having and depositing the child seat 50, so operating personnel can directly place the matrix body of waiting to vulcanize on depositing child seat 50 can, and in the in-process of placing the matrix body of waiting to vulcanize on depositing child seat 50, can move tensioning assembly 60 relatively and deposit child seat 50 earlier to make a plurality of butt surfaces along the direction motion of the radial shrink of tensioning assembly 60, or make a plurality of butt surfaces along the direction motion that draws in each other, thereby can guarantee that the matrix body casing cover of waiting to vulcanize is established on tensioning assembly 60. After the tire body to be vulcanized is placed on the tire storage seat 50, the tensioning assembly 60 is driven to move in the opposite direction, and the plurality of abutting surfaces abut against the circumferential inner surface of the tire body to be vulcanized, so that the positioning effect of the tire body to be vulcanized is realized. When the carcass to be cured is tensioned, the carcass is in a position where it is picked up. Of course, the position in which the carcass is taken after the completion of the vulcanization is also the position in which the carcass is picked up.

Moreover, through the contraction of the tensioning assembly 60, the carcass can be more easily placed on the carcass storage seat 50, and through the extension of the tensioning assembly 60, the carcass to be vulcanized can be positioned and tensioned, so that the claw assembly can be aligned with the carcass to be vulcanized and can more easily grab the carcass.

In one particular embodiment of the present application, the tensioning assembly 60 includes a tensioning motor, a connection portion, and a tensioning block. The tensioning motor is arranged on the tire storage seat 50; the tensioning motor is in driving connection with the connecting part; the tensioning blocks are provided with abutting surfaces and are arranged at intervals in the axial direction of the tensioning motor and connected with the connecting portions respectively. And, the connecting part includes a tension disc and a plurality of links. The tensioning disc is connected with a tensioning motor; the connecting rods are in one-to-one correspondence with the tensioning blocks, one ends of the connecting rods are connected with the tensioning blocks, and the other ends of the connecting rods are connected with the tensioning discs. That is, in this embodiment, the tensioning motor drives the tensioning disc to move, so that the tensioning can drive all the connecting rods to move together at the same time, and then different tensioning blocks are pulled to move in the radial contraction direction by different connecting rods, or different tensioning blocks are pushed to move in the radial extension direction by different connecting rods. So that the placement of the carcass to be vulcanized on the storage seats 50 can be facilitated or the tensioning of the carcass can be carried out.

Furthermore, it should be noted that in the present application the tensioning motor drives the tensioning disc in an axial direction. And when the tensioning motor drives the tensioning disc to move along the axial extending direction, the included angle between the connecting rod and the radial direction is increased, so that the tensioning block moves along the radial contracting direction. When the tensioning motor drives the tensioning disc to move along the axial contraction direction, the included angle between the connecting rod and the radial direction is reduced, so that the tensioning block moves along the radial extending direction. Also, in this embodiment, the axial direction may be a vertical direction, and the radial direction may be a horizontal direction. Therefore, in order to ensure that the tensioning block does not come out of contact with the tire storage seat 50 during the movement, the side of the tensioning block facing the tire storage seat 50 is provided with a sliding projection, and the side of the tire storage seat 50 facing the tensioning slide block is provided with a sliding groove matched with the sliding projection. That is, the cooperation of the sliding protrusion and the sliding groove is not only for limiting the moving direction of the tensioning block, but also for effectively ensuring that the tensioning block does not disengage from the tire storage seat 50. Or the sliding bulge and the sliding groove are limited in the movement direction and the connection relation.

It should be noted that, in the present application, the plurality of tensioning blocks are formed in a circular shape, and the diameter of the circular shape can be adjusted by the driving degree of the tensioning motor to the tensioning disc, so as to ensure that the tensioning blocks can tension carcasses with different sizes.

In a particular embodiment of the present application, the drive assembly includes a lifting portion and a rotating portion. The lifting part is in driving connection with the mounting seat; the rotating part is connected with the lifting part. That is to say, can realize the motion of mount pad in vertical direction through the lift portion in this embodiment to guarantee that jack catch assembly can snatch the matrix of treating vulcanizing or snatch the matrix of vulcanizing completion from depositing child seat 50, can also place the matrix of treating vulcanizing on the vulcanizer simultaneously. And the lifting part is driven by the rotating part to rotate together with the tire grabbing drive, so that the switching of the mounting seat between the vulcanizing machine and the tire storage seat 50 can be ensured.

The lifting unit includes a mounting structure, a lifting motor, a lifting screw, and a rotating arm. The mounting structure is connected with the rotating part; the lifting motor is arranged at one end of the mounting structure far away from the rotating part; one end of the lifting screw rod is connected with the lifting motor, and the other end of the lifting screw rod extends towards the rotating part and is connected with one end of the mounting structure close to the rotating part; one end of the rotating arm is sleeved on the lifting screw rod, and the other end of the rotating arm is connected with the mounting seat. That is, in this application, the lifting motor drives the screw rod to rotate, so that the rotating arm drives the mounting base to move together in the length direction of the screw rod, thereby realizing the lifting movement of the mounting base.

Simultaneously, lift portion still includes rotation motor and rotating gear, rotates the motor setting in one side of mounting structure orientation movable part, and the rotating gear cover is established on the output of rotating the motor, and the rotating part includes revolving stage and leading gear. The mounting structure is connected with the rotary table and can rotate relative to the rotary table; the guide gear sleeve is arranged on one side, facing the installation structure, of the rotary table, and the rotating gear is meshed with the guide gear and can rotate along the circumferential direction of the guide gear. Therefore, when the mounting seat is driven to rotate through the driving assembly, the rotating gear can be driven to rotate through the rotating motor, so that the rotating gear can rotate along the periphery of the guide gear, the lifting part rotates relative to the rotating part, and the mounting seat rotates.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the problems that the tire body is difficult to take and place, the efficiency is low and the safety is poor in the vulcanizing machine in the prior art are effectively solved;

2. simple structure and stable performance.

It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

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 exemplary 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.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings 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 other sequences 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 (10)

1. A tire gripping device, comprising:

a mounting seat (10);

the driving assembly (20) is in driving connection with the mounting seat (10) and can drive the mounting seat (10) to move along the horizontal and/or vertical direction;

jaw assembly (30), jaw assembly (30) are a plurality of, and are a plurality of jaw assembly (30) wind the circumference interval of mount pad (10) sets up, at least some of jaw assembly (30) can be followed the radial motion of mount pad (10), jaw assembly (30) include pars contractilis (31) and respectively with two centre gripping arms (32) that pars contractilis (31) are connected, and two centre gripping space that is used for snatching the matrix has between centre gripping arm (32).

2. Tyre gripping device according to claim 1, characterized in that said mounting (10) comprises:

a body portion (11), the body portion (11) being connected with the drive assembly (20);

the guide parts (12) are multiple, the guide parts (12) are arranged at intervals around the circumferential direction of the body part (11), each guide part (12) is provided with at least one jaw assembly (30), and at least one part of each jaw assembly (30) can move along the guide part (12);

one end of the connecting rod assembly (13) is movably connected with the body part (11), and the other end of the connecting rod assembly (13) is movably connected with the jaw assembly (30).

3. Tyre gripping device according to claim 2, characterized in that a plurality of said guides (12) and a plurality of said jaw assemblies (30) are in one-to-one correspondence, one of said guides (12) and said jaw assemblies (30) having a guide groove extending along said body portion (11) and the other having a guide projection cooperating with said guide groove.

4. Tyre gripping device according to claim 2, characterized in that the guide portion (12) comprises a guide plate having a width direction parallel to the axial direction of the body portion (11), a length direction in the same radial direction of the body portion (11), and an escape notch on the side of the guide plate facing the link assembly (13).

5. A tyre gripping device according to claim 2, characterized in that the connecting-rod assembly (13) comprises:

an adjustment lever (131);

one end of the adjusting rod (131) is movably connected with the body part (11), and the other end of the adjusting rod (131) is connected with the adjusting disk (132);

connecting rod (133), connecting rod (133) are a plurality of, and a plurality of connecting rod (133) and a plurality of jaw assembly (30) one-to-one is a plurality of winding of connecting rod (133) the circumference interval of adjustment disk (132) sets up, the both ends of connecting rod (133) respectively with adjustment disk (132) with jaw assembly (30) swing joint, just connecting rod (133) are located the below of guide part (12).

6. A tyre gripping device according to claim 5,

the axial direction of the adjusting rod (131) is parallel to the axial direction of the body part (11); and/or

The adjustment disc (132) is parallel to the body portion (11).

7. Tyre gripping device according to any one of claims 1 to 6, characterized in that said jaw assembly (30) further comprises a mounting frame (33), said mounting frame (33) being movably arranged on said mounting seat (10) and said two gripping arms (32) being respectively movably arranged on said mounting frame (33).

8. Tyre gripping device according to claim 7, characterized in that said jaw assemblies (30) have a retracted position and an extended position, said jaw assemblies (30) moving in a direction close to the centre of the circle of said mounting seat (10) when said jaw assemblies (30) are switched from said extended position to said retracted position, the top of said mounting frame (33) having a stop flange, said stop flanges of adjacent jaw assemblies (30) abutting each other when said jaw assemblies (30) are in said retracted position, and the line of said stop flanges of all said mounting frames (33) being circular.

9. The tire gripping device according to claim 7, wherein the two gripping arms (32) are arranged oppositely, the gripping arms (32) are Z-shaped and comprise a first section, a second section and a third section which are connected in sequence, the first section and the third section are respectively parallel to the axial direction of the mounting seat (10), one end of the second section close to the third section is movably connected with the mounting seat (10), the gripping space is formed between the two third sections, and one ends of the two first sections far away from the second section are respectively connected with the telescopic part (31).

10. Tyre gripping device according to claim 9, characterized in that the telescopic part (31) is a telescopic cylinder, wherein the first section of one of the gripping arms (32) is connected to the telescopic cylinder and the first section of the other gripping arm (32) is connected to a telescopic end of the telescopic cylinder.

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