CN219007111U - Tire unloading device - Google Patents

Abstract

The utility model discloses a tire unloading device, which is used for a tire building machine, the tire building machine comprises a belt drum, a building drum and a transmission ring capable of reciprocating between the belt drum and the building drum, the tire unloading device comprises: an upper clamping jaw assembly which is arranged above one side of the transfer ring facing the forming drum and is used for clamping the top of the tire blank; a lower clamping jaw assembly arranged below one side of the transfer ring facing the forming drum and aligned with the upper clamping jaw assembly for clamping the bottom of the tire blank; and the auxiliary tire unloading assembly is arranged on the side surface of the side, facing the forming drum, of the transfer ring and is used for clamping the tire embryo from the side direction and pushing the tire. The tire unloading device provided by the utility model can solve the problem of tire embryo collapse during tire unloading.

Description

Tire unloading device

Technical Field

The utility model relates to the technical field of tire building equipment, in particular to a tire unloading device.

Background

The processing process of the two-stage forming machine of the semisteel secondary forming machine is as follows: the method comprises the steps of placing a processed carcass assembly on a forming drum, completing the forming processing of a tread assembly by the belt drum, transferring the processed tread assembly to the outer side of the processed carcass assembly on the forming drum through a belt layer transfer ring, and carrying out rolling compounding of the tread assembly and the carcass assembly through a rear compression roller device, so that a tire embryo is formed.

However, the two-stage forming machine of the traditional semi-steel secondary forming machine is not provided with a special tire unloading device, and an operator is required to take off and load the processed tire blanks, so that the labor intensity of the two-stage operator is high under the condition that the weight of the large-size tire blanks is heavy.

In addition, as disclosed in chinese patent CN207345108U, a tire unloading device is disclosed, in which the tire unloading device includes upper and lower tire unloading assemblies, but when the upper and lower tire unloading assemblies clamp a large-sized tire blank, a situation of partial collapse occurs, especially when clamping a flat relatively small tire blank, which is more serious.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a tire unloading device which is simple in structure and solves the problem of tire embryo collapse during tire unloading.

Based on the problems, the technical scheme provided by the utility model is as follows:

a tire unloading device for a tire building machine including a belt drum, a building drum, and a transfer ring reciprocally movable between the belt drum and the building drum, the tire unloading device comprising:

an upper clamping jaw assembly which is arranged above one side of the transfer ring facing the forming drum and is used for clamping the top of the tire blank;

a lower clamping jaw assembly arranged below one side of the transfer ring facing the forming drum and aligned with the upper clamping jaw assembly for clamping the bottom of the tire blank;

and the auxiliary tire unloading assembly is arranged on the side surface of the side, facing the forming drum, of the transfer ring and is used for clamping the tire embryo from the side direction and pushing the tire.

In one embodiment, the upper clamping jaw assembly comprises a mounting frame fixed on the transfer ring, a second driving component arranged on the mounting frame, a mounting plate arranged on the mounting frame in a sliding manner and an upper clamping jaw arranged at the lower end of the mounting plate, wherein the mounting plate is in transmission connection with the second driving component and is driven by the second driving component to be close to or far away from the lower clamping jaw assembly.

In one embodiment, the mounting frame is provided with a connecting frame, the mounting plate is provided with a through groove for the connecting frame to extend out, and the second driving part is mounted on the connecting frame and is in transmission connection with the clamping jaw on the tire unloading device.

In one embodiment, the lower clamping jaw assembly comprises a lifting support, a first lifting driving part for driving the lifting support to lift, a second lifting driving part arranged on the lifting support, a tire unloading lower clamping jaw in transmission connection with the second lifting driving part, a first clamping arm rotatably arranged on one side of the tire unloading lower clamping jaw, which is close to the auxiliary tire unloading assembly, a second clamping arm rotatably arranged on one side of the tire unloading lower clamping jaw, which is far away from the auxiliary tire unloading assembly, and a tensioning driving part for connecting the first clamping arm and the second clamping arm, wherein the first clamping arm and the second clamping arm are mutually close to or far away from each other under the driving of the tensioning driving part so as to clamp or release a tire blank.

In one embodiment, the tensioning driving piece is respectively arranged on two sides of the first clamping arm and the second clamping arm, which are close to and far away from the transmission ring.

In one embodiment, the lifting support comprises a lower support, an upper support, two lifting connecting rods connecting the upper support and the lower support, a first sliding frame arranged on the lower support in a sliding manner, and a second sliding frame arranged on the upper support in a sliding manner, wherein the first sliding frame is in transmission connection with the first lifting driving piece, the lifting connecting rods comprise a first connecting rod and a second connecting rod which are in pin joint in a rotating manner, the upper end of the first connecting rod is in pin joint with the upper support in a rotating manner, the lower end of the first connecting rod is in pin joint with the first sliding frame in a rotating manner, and the upper end of the second connecting rod is in pin joint with the second sliding frame in a rotating manner, and the lower end of the second connecting rod is in pin joint in a rotating manner with the lower support in a rotating manner.

In one embodiment, the lower bracket is provided with two first guide rods which are arranged in parallel, and the first sliding frame is sleeved on the two first guide rods; the upper bracket is provided with two second guide rods which are arranged in parallel, and the second sliding frame is sleeved on the two second guide rods.

In one embodiment, the auxiliary tire unloading assembly comprises a swing frame, a swing arm rotatably arranged on the swing frame, a roller rotatably arranged on the swing arm and a swing driving piece, wherein the swing arm is in transmission connection with the swing driving piece and is driven by the swing driving piece to be close to or far away from the lower clamping jaw assembly.

In one embodiment, the tire building machine includes a sliding floor movable relative to the building drum, the transfer ring, lower jaw assembly, and auxiliary tire discharge assembly being mounted on the sliding floor.

In one embodiment, a tire unloading transition plate is arranged on the sliding bottom plate and positioned on the other side of the lower clamping jaw assembly, and the tire unloading transition plate is obliquely downwards arranged from the direction close to the lower clamping jaw assembly to the direction away from the lower clamping jaw assembly.

Compared with the prior art, the utility model has the advantages that:

1. the upper clamping jaw assembly, the lower clamping jaw assembly and the auxiliary tire unloading assembly are matched to unload the tire blank from the forming drum, and the auxiliary tire unloading assembly can clamp the tire blank from the lateral direction, so that the problem of local collapse when the tire blank of a large-specification tire or a flat tire blank is unloaded is avoided;

2. the additionally arranged auxiliary tire unloading assembly can play a role in pushing the tire when the tire is unloaded, and the tire unloading efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of an embodiment of a transfer apparatus of the present utility model;

FIG. 2 is a rear view of an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of an embodiment of the present utility model;

FIG. 4 is a schematic perspective view of another direction of the embodiment of the present utility model;

FIG. 5 is a schematic view of a clamping assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic perspective view of a clamping assembly according to an embodiment of the present utility model;

FIG. 7 is a schematic perspective view of another direction of the clamping assembly according to an embodiment of the present utility model;

FIG. 8 is a schematic view illustrating the disassembly of the clamping assembly according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of an upper jaw assembly according to an embodiment of the present utility model;

FIG. 10 is a schematic view of an alternative orientation of the upper jaw assembly according to an embodiment of the present utility model;

FIG. 11 is a schematic view of a lower jaw assembly according to an embodiment of the present utility model;

FIG. 12 is a schematic perspective view of a lower jaw assembly according to an embodiment of the present utility model;

FIG. 13 is a schematic view of the structure of a lower bracket according to an embodiment of the present utility model;

FIG. 14 is a schematic view of a lifting frame according to an embodiment of the present utility model;

FIG. 15 is a schematic view of a lower tire unloading jaw according to an embodiment of the present utility model;

FIG. 16 is a schematic view of an installation structure of an auxiliary tire unloading assembly according to an embodiment of the present utility model;

wherein:

1. a frame body; 1-1, a base; 1-2, a ring body; 1-2a, a first chute;

2; a drive ring; 2-1, a second chute;

3. a first driving part;

4. a clamping assembly; 4-1, a sliding block; 4-2, adjusting the block; 4-2a, a first adjusting piece; 4-2b, a second adjusting piece; 4-3, adjusting parts; 4-3a, a first limiting part; 4-3b, a rotating part; 4-3c, a second limiting part; 4-3d, a screw part; 4-3e, rotating the adjusting hole; 4-4, mounting seats; 4-4a, clamping blocks; 4-4b, longitudinal adjustment holes; 4-5, clamping jaw pieces; 4-6, fastening components; 4-7, propping up the component; 4-8, a sliding rod;

5. an upper jaw assembly; 5-1, mounting rack; 5-2, mounting plate; 5-2a, trough penetration; 5-3, unloading the clamping jaw on the tire; 5-4, a second driving part; 5-5, connecting frames;

6. a lower jaw assembly; 6-1, a lower bracket; 6-1a, a first guide rod; 6-2, upper support; 6-2a, a second guide rod; 6-3, a first carriage; 6-4, lifting connecting rods; 6-4a, a first connecting rod; 6-4b, a second connecting rod; 6-5, a first lifting driving piece; 6-6, unloading the tire lower clamping jaw; 6-7, a first clamping arm; 6-8, a second clamping arm; 6-9, tensioning the driving member; 6-10, a second lifting driving piece; 6-11, a second carriage; 6-12, a supporting table;

7. an auxiliary tire unloading assembly; 7-1, swinging a rotating frame; 7-2, swinging arms; 7-3, idler wheels; 7-4, swinging the driving piece;

8. a connecting piece;

9. a sliding bottom plate;

10. a tire unloading transition plate;

11. and (3) a bracket.

Detailed Description

The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.

Referring to fig. 1 to 4, which are schematic structural views of an embodiment of the present utility model, there is provided a transfer apparatus for a tire building machine including a belt drum for building a tread assembly, a building drum for building a carcass assembly for compounding the tread assembly and the carcass assembly to form a tire blank, the transfer apparatus being disposed between the belt drum and the building drum and being capable of reciprocating. The transfer equipment comprises a transfer ring, a tire unloading device arranged on one axial side of the transfer ring, and a sliding bottom plate 9 for installing the transfer ring and the tire unloading device, wherein the sliding bottom plate 9 drives the transfer ring and the tire unloading device to move between a forming drum and a belt drum.

The transfer ring is used for transferring the tread assembly on the belt drum to the outer side of the carcass assembly of the building drum, and comprises a frame body 1, a driving mechanism and a grabbing mechanism, wherein the frame body 1 comprises a base 1-1 and a ring body 1-2 arranged on the base 1-1, and the ring body 1-2 is provided with a central through hole for accommodating a tire component of the tread assembly.

The driving mechanism comprises a driving ring 2 embedded in the ring body 1-2 and a first driving part 3 arranged on the base 1-1, wherein the driving ring 2 is in transmission connection with the first driving part 3 and is driven by the first driving part 3 to rotate in the ring body 1-2. Preferably, the first driving part 3 adopts a cylinder, the cylinder is connected with the driving ring 2 through a connecting piece 8, one end of the connecting piece 8 is fixed on one side of the driving ring 2, which is away from the ring body 1-2, the cylinder body of the cylinder is arranged on the base 1-1, and the piston rod of the cylinder is in rotary pin joint with the connecting piece 8. Thus, the driving ring 2 can be driven to rotate in the ring body 1-2 by the extension and contraction of the air cylinder.

Referring to fig. 5 to 8, the gripping mechanism includes a plurality of gripping assemblies 4 circumferentially spaced along the central through hole, the plurality of gripping assemblies 4 are driven by the driving ring 2 to move radially synchronously along the ring body 1-2, specifically, the driving ring 2 is disposed at one axial side of the ring body 1-2, the plurality of gripping assemblies 4 are slidably disposed at the other axial side of the ring body 1-2, a plurality of first sliding grooves 1-2a radially arranged are disposed on the ring body 1-2, a plurality of second sliding grooves 2-1 radially arranged at an angle are disposed on the driving ring 2, and sliding rods 4-8 extending into the second sliding grooves 2-1 via the first sliding grooves 1-2a are disposed on the gripping assemblies 4, so that when the driving ring 2 is driven by the first driving member 3 to rotate in the ring body 1-2, the sliding rods 4-8 can be driven to slide along the first sliding grooves 1-2a, that is, the plurality of gripping assemblies 4 can move synchronously along the radial direction of the ring body 1-2, and thus the true roundness of the gripping mechanism can be ensured, and the gripping force of the tread assembly can be ensured.

In order to further optimize the implementation effect of the utility model, the clamping jaw members 4-5 of the clamping assembly 4 are arranged in an adjustable manner along the radial direction of the ring body 1-2, specifically, the clamping assembly 4 comprises a sliding block 4-1 in sliding fit with the ring body 1-2, a mounting seat 4-4 and an adjusting block 4-2 which are arranged on one side of the sliding block 4-1 away from the ring body 1-2, an adjusting member 4-3 rotatably arranged on the adjusting block 4-2 and a clamping jaw member 4-5 arranged at the lower end of the mounting seat 4-4, the adjusting member 4-3 is in threaded connection with the mounting seat 4-4, the mounting seat 4-4 is fixed on the sliding block 4-1 through a plurality of fastening assemblies 4-6, and a plurality of longitudinal adjusting holes 4-4b for allowing the plurality of fastening assemblies 4-6 to pass through are arranged on the mounting seat 4-4. Preferably, the fastening assembly 4-6 is a bolt, and the longitudinal adjustment hole 4-4b is a waist-shaped hole.

The sliding block 4-1 is in sliding fit with the ring body 1-2 through a guide rail assembly, wherein the guide rail assembly is in the prior art and comprises a guide rail arranged on the ring body 1-2 and a guide block arranged on the sliding block 4-1, and the sliding rod 4-8 is arranged on one side of the sliding block 4-1, which is close to the ring body 1-2, and extends along the axial direction of the ring body 1-2.

In order to improve the structural stability, a tightening part 4-7 is arranged on the adjusting block 4-2, the tightening part 4-7 is in threaded connection with the adjusting block 4-2, and the inner end of the tightening part is abutted against the adjusting part 4-3, wherein the tightening part 4-7 adopts a bolt. When the clamping assembly 4 needs to be radially fine-tuned, the jacking component 4-7 and the fastening assembly 4-6 are loosened, and the adjusting piece 4-3 can be rotated to drive the mounting seat 4-4 to move in the radial direction.

In this example, the adjusting member 4-3 includes a first limiting portion 4-3a, a rotating portion 4-3b, a second limiting portion 4-3c, and a screw portion 4-3d that are sequentially arranged, the rotating portion 4-3b is rotatably disposed in the adjusting block 4-2 and limited by the first limiting portion 4-3a and the second limiting portion 4-3c, the tightening member 4-7 abuts against the rotating portion 4-3b, and the screw portion 4-3d is in threaded connection with the mounting seat 4-4. The first limiting part 4-3a is provided with a rotation adjusting hole 4-3e so as to facilitate the placement of a rotation tool.

In order to facilitate the installation of the adjusting member 4-3, the adjusting block 4-2 includes a first adjusting member 4-2a and a second adjusting member 4-2b which are arranged in opposition, and the rotating portion 4-3b is installed between the first adjusting member 4-2a and the second adjusting member 4-2b, and the first adjusting member 4-2a and the second adjusting member 4-2b are fixedly connected via screws.

In order to facilitate replacement of the jaw members 4-5, the jaw members 4-5 are detachably mounted on the mounting base 4-4, specifically, a clamping block 4-4ba is arranged on the mounting base 4-4, a clamping groove matched with the clamping block 4-4ba is arranged on the jaw members 4-5, the jaw members 4-5 can be fixed on the mounting base 4-4 through matching of the clamping block 4-4ba and the clamping groove, and replacement of the jaw members 4-5 is facilitated. Preferably, the longitudinal section of the clamping block 4-4ba is in a trapezoid structure, so that the stability of connection between the clamping jaw piece 4-5 and the mounting seat 4-4 can be ensured, and the clamping jaw piece 4-5 is prevented from falling off.

In other embodiments, a clamping block may be further disposed on the clamping jaw member, and a clamping groove matched with the clamping block is disposed on the mounting seat.

The tire unloading device comprises an upper clamping jaw assembly 5, a lower clamping jaw assembly 6 and an auxiliary tire unloading assembly 7, and the tire embryo is clamped by the upper clamping jaw assembly 5, the lower clamping jaw assembly 6 and the auxiliary tire unloading assembly 7 together, so that the problem of collapse when large-size tires and flat small-size tires can be avoided.

Referring to fig. 9 and 10, the upper jaw assembly 5 is mounted on a side of the transfer ring facing the forming drum for clamping the top of the tire blank, and comprises a mounting frame 5-1 fixed on the ring body 1-2, a second driving part 5-4 mounted on the mounting frame 5-1, a mounting plate 5-2 slidably arranged on the mounting frame 5-1, and a tire unloading upper jaw 5-3 mounted on the lower end of the mounting plate 5-2, wherein the mounting plate 5-2 is in transmission connection with the second driving part 5-4 and is driven by the second driving part 5-4 to be close to or far away from the lower jaw assembly 6. Preferably, the second driving part 5-4 employs a cylinder.

The mounting plate 5-2 is in sliding fit with the mounting frame 5-1 through a guide rail assembly, the guide rail assembly is of the prior art, and comprises two guide rails fixed on the mounting frame 5-1 and two guide blocks fixed on the mounting plate 5-2, and sliding connection between the mounting plate 5-2 and the mounting frame 5-1 is realized through sliding fit of the guide blocks and the guide rails. In order to facilitate the installation of the second driving component 5-4, a through groove 5-2a is arranged on the mounting plate 5-2 between the two guide blocks, a connecting frame 5-5 is fixed on the mounting frame 5-1, the connecting frame 5-5 extends to one side of the mounting plate 5-2, which is away from the mounting frame 5-1, through the through groove 5-2a, the second driving component 5-4 is mounted on the connecting frame 5-5, and the power output end is connected with the mounting plate 5-2.

Referring to fig. 11 to 15, the lower jaw assembly 6 is provided with a transfer ring facing the side of the building drum and located below the upper jaw assembly 5, and is used for clamping the bottom of the tire blank, in this example, the ring body 1-2 and the lower jaw assembly 6 are mounted on a sliding bottom plate 9 of the tire building machine, the sliding bottom plate 9 can move relative to the building drum, and the structure of the sliding bottom plate 9 is the prior art, and the utility model is not repeated.

The lower clamping jaw assembly 6 comprises a lifting bracket fixed on the sliding bottom plate 9, a first lifting driving piece 6-5 for driving the lifting bracket to lift, a second lifting driving piece 6-10 arranged on the lifting bracket, a tire unloading lower clamping jaw 6-6 in transmission connection with the second lifting driving piece 6-10, a first clamping arm 6-7 rotatably arranged on one side of the tire unloading lower clamping jaw 6-6 close to the auxiliary tire unloading assembly 7, a second clamping arm 6-8 rotatably arranged on one side of the tire unloading lower clamping jaw 6-6 far away from the auxiliary tire unloading assembly 7, and a tensioning driving piece 6-9 for connecting the first clamping arm 6-7 and the second clamping arm 6-8, wherein the first clamping arm 6-7 and the second clamping arm 6-8 are mutually close to or far away under the driving of the tensioning driving piece 6-9 so as to clamp or release a tire blank.

In this example, tensioning driving members 6-9 are respectively arranged at two sides of the first clamping arm 6-7 and the second clamping arm 6-8, and two ends of the tensioning driving members 6-9 are respectively hinged with the first clamping arm 6-7 and the second clamping arm 6-8. Preferably, the first lifting driving member 6-5, the second lifting driving member 6-10 and the tensioning driving member 6-9 adopt air cylinders.

Referring to fig. 14, the lifting bracket comprises a lower bracket 6-1, an upper bracket 6-2, two lifting connecting rods 6-4 connecting the upper bracket 6-2 and the lower bracket 6-1, a first sliding frame 6-3 arranged on the lower bracket 6-1 in a sliding manner and a second sliding frame 6-11 arranged on the upper bracket 6-3 in a sliding manner, wherein the first sliding frame 6-3 is in transmission connection with a first lifting driving piece 6-5, the lifting connecting rods 6-4 comprise a first connecting rod 6-4a and a second connecting rod 6-4b which are in rotary pin connection with each other, the upper end of the first connecting rod 6-4a is in rotary pin connection with the upper bracket 6-2, the lower end of the second connecting rod 6-4b is in rotary pin connection with the second sliding frame 6-11, and the lower end of the second connecting rod 6-4b is in rotary pin connection with the lower bracket 6-1, and the first sliding frame 6-3 is driven by the first lifting driving piece 6-5 to slide so as to drive the lifting bracket to lift, thereby drive the tire-discharging lower clamping jaw 6-6 on the lifting bracket to lift, and the tire-discharging jaw 6-can be further driven by the second lifting driving piece 6-10. In this example, the second elevating driving member 6-10 is mounted on the upper bracket 6-2 via the support stand 6-12.

In order to realize sliding fit between the first sliding frame 6-3 and the lower bracket 6-1 and between the second sliding frame 6-11 and the upper bracket 6-2, two first guide rods 6-1a which are arranged in parallel are arranged on the lower bracket 6-1, the first sliding frame 6-3 is sleeved on the two first guide rods 6-1a, two second guide rods 6-2a which are arranged in parallel are arranged on the upper bracket 6-2, the second sliding frame 6-11 is sleeved on the two second guide rods 6-2a, the first sliding frame 6-3 is driven to slide along the two first guide rods 6-1a through the first lifting driving piece 6-5, and meanwhile, the second sliding frame 6-11 slides along the second guide rods 6-2a so as to realize the expansion and contraction of the lifting connecting rod 6-4.

Referring to fig. 16, the auxiliary tire unloading assembly 7 is disposed at one side of the lower jaw assembly 6, and is used for clamping a tire blank from the lateral direction and pushing the tire, and comprises a swing frame 7-1 mounted on a sliding bottom plate 9, a swing arm 7-2 rotatably disposed on the swing frame 7-1, a roller 7-3 rotatably disposed on the swing arm 7-2, and a swing driving member 7-4 mounted on the sliding bottom plate 9, wherein the swing arm 7-2 is in transmission connection with the swing driving member 7-4 and is driven by the swing driving member 7-4 to approach or separate from the lower jaw assembly 6. The auxiliary tire unloading assembly 7 is matched with the upper clamping jaw assembly 5 and the lower clamping jaw assembly 6, tire blanks can be clamped on the side surfaces, the surface tire blanks collapse, an auxiliary clamping effect is achieved, the stability of the tire unloading device is improved, and a tire pushing effect can be achieved during tire unloading. Wherein, the swinging driving piece 7-4 adopts an air cylinder.

A tyre unloading transition plate 10 is arranged on the sliding bottom plate 9 at the side of the lower clamping jaw assembly 6 away from the auxiliary tyre unloading assembly 7, and the tyre unloading transition plate 10 is supported by a bracket 11 and extends downwards in an inclined manner from the direction close to the lower clamping jaw assembly 6 to the direction far away from the lower clamping jaw assembly 6. When the tire unloading device removes the tire blank from the forming drum, the tire blank on the lower clamping jaw assembly 6 is pushed to the tire unloading transition plate 10 by the auxiliary tire unloading assembly 7, and then rolls off to the next working procedure such as a weighing conveying line through the tire unloading transition plate 10.

The working principle of the utility model is as follows:

the first driving part 3 drives the driving ring 2 to rotate in the ring body 1-2 so as to drive the clamping assemblies 4 to move close to the center of the ring body 1-2 to clamp the tread assembly transferred by the belt drum and position the tread assembly in the ring body 1-2, then the transfer ring is moved to a forming drum position, the carcass assembly is formed on the forming drum and bears the weight of the carcass assembly, at the moment, the carcass assembly is positioned on the inner side of the tread assembly, after the tread assembly is radially attached to the carcass assembly, lamination of the tread assembly and the carcass assembly is completed through a lamination mechanism on a compression roller device tire forming machine, after that, the transfer ring is moved for a certain distance, the tire unloading device corresponds to the forming drum position, the tire unloading upper clamping jaw 5-3 of the upper clamping jaw assembly 5 moves downwards, the tire unloading lower clamping jaw 6-6 of the lower clamping jaw assembly 6 moves upwards, the tire unloading upper clamping jaw 5-3, the tire unloading lower clamping jaw 6-6 and the swinging arm 7-2 cooperate to clamp a tire embryo on the forming drum and unload the tire embryo, then the upper clamping jaw assembly 5, the lower clamping jaw assembly 6 resets, the tire embryo is placed on the tire unloading lower clamping jaw 6-6, the tire embryo corresponds to the tire unloading lower clamping jaw assembly, and finally the swinging arm 7-4 pushes the swinging arm 7-2 to rotate to the tire unloading transfer plate to push the tire embryo to a weighing transfer line to the tire.

In a comprehensive way, the clamping jaw members of the clamping assemblies are arranged in an adjustable mode along the annular radial position, so that the accuracy of the clamping jaw members is convenient to adjust, the fact that a plurality of clamping assemblies enclose an annular true circle is guaranteed, and the clamping force on the tire component is guaranteed; the first driving part drives the driving ring to rotate so as to drive the clamping assemblies to move synchronously along the radial direction of the ring body, so that the synchronism of the radial operation of the clamping assemblies is improved, the clamping roundness is ensured, and the clamping precision is improved; the tire unloading device is arranged on one axial side of the transfer ring, can be used for completing tire unloading of tire blanks, improves production efficiency, and an auxiliary tire unloading assembly in the tire unloading device can play a double function of auxiliary clamping and tire pushing during tire unloading, so that the tire unloading requirement of large-specification tire blanks is met.

The above examples are provided for illustrating the technical concept and features of the present utility model and are not intended to limit the scope of the present utility model to those skilled in the art who can understand the present utility model and practice the same. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A tire unloading device for a tire building machine including a belt drum, a building drum, and a transfer ring reciprocally movable between the belt drum and the building drum, the tire unloading device comprising:

an upper clamping jaw assembly which is arranged above one side of the transfer ring facing the forming drum and is used for clamping the top of the tire blank;

a lower clamping jaw assembly arranged below one side of the transfer ring facing the forming drum and aligned with the upper clamping jaw assembly for clamping the bottom of the tire blank;

and the auxiliary tire unloading assembly is arranged on the side surface of the side, facing the forming drum, of the transfer ring and is used for clamping the tire embryo from the side direction and pushing the tire.

2. Tyre-unloading device according to claim 1, characterized in that: the upper clamping jaw assembly comprises a mounting frame fixed on the transfer ring, a second driving part arranged on the mounting frame, a mounting plate arranged on the mounting frame in a sliding manner and an upper clamping jaw arranged at the lower end of the mounting plate, wherein the mounting plate is in transmission connection with the second driving part and is driven by the second driving part to be close to or far away from the lower clamping jaw assembly.

3. Tyre unloading device according to claim 2, characterized in that: the mounting frame is provided with a connecting frame, the mounting plate is provided with a through groove for the connecting frame to extend out, and the second driving part is mounted on the connecting frame and is in transmission connection with the clamping jaw on the tire unloading device.

4. Tyre-unloading device according to claim 1, characterized in that: the lower clamping jaw assembly comprises a lifting support, a first lifting driving piece, a second lifting driving piece, a tire unloading lower clamping jaw, a first clamping arm, a second clamping arm and a tensioning driving piece, wherein the first lifting driving piece is used for driving the lifting support to lift, the second lifting driving piece is arranged on the lifting support, the tire unloading lower clamping jaw is in transmission connection with the second lifting driving piece, the first clamping arm is arranged on one side of the tire unloading lower clamping jaw close to the auxiliary tire unloading assembly in a rotating mode, the second clamping arm is arranged on one side of the tire unloading lower clamping jaw far away from the auxiliary tire unloading assembly in a rotating mode, the tensioning driving piece is connected with the first clamping arm and the second clamping arm, and the first clamping arm and the second clamping arm are driven by the tensioning driving piece to be close to or far away from each other so as to clamp or release a tire blank.

5. Tyre-unloading device according to claim 4, characterized in that: the two sides of the first clamping arm and the second clamping arm, which are close to and far away from the transmission ring, are respectively provided with the tensioning driving piece.

6. Tyre-unloading device according to claim 4, characterized in that: the lifting support comprises a lower support, an upper support, two lifting connecting rods connected with the upper support and the lower support, a first sliding frame arranged on the lower support in a sliding mode and a second sliding frame arranged on the upper support in a sliding mode, the first sliding frame is in transmission connection with the first lifting driving piece, the lifting connecting rods comprise first connecting rods and second connecting rods which are in pin joint rotation, the upper ends of the first connecting rods are in pin joint rotation with the upper support, the lower ends of the first connecting rods are in pin joint rotation with the first sliding frame, and the upper ends of the second connecting rods are in pin joint rotation with the second sliding frame, and the lower ends of the second connecting rods are in pin joint rotation with the lower support.

7. A tyre unloading device as claimed in claim 6, wherein: the lower bracket is provided with two first guide rods which are arranged in parallel, and the first sliding frame is sleeved on the two first guide rods; the upper bracket is provided with two second guide rods which are arranged in parallel, and the second sliding frame is sleeved on the two second guide rods.

8. Tyre-unloading device according to claim 1, characterized in that: the auxiliary tire unloading assembly comprises a swing frame, a swing arm arranged on the swing frame in a rotating mode, a roller arranged on the swing arm in a rotating mode and a swing driving piece, wherein the swing arm is in transmission connection with the swing driving piece and is driven by the swing driving piece to be close to or far away from the lower clamping jaw assembly.

9. Tyre-unloading device according to claim 1, characterized in that: the tire building machine comprises a sliding bottom plate which can move relative to the building drum, and the transmission ring, the lower clamping jaw assembly and the auxiliary tire unloading assembly are arranged on the sliding bottom plate.

10. Tyre unloading device according to claim 9, wherein: the tire unloading transition plate is arranged on the other side of the sliding bottom plate, which is positioned on the lower clamping jaw assembly, and is obliquely downwards arranged from the direction close to the lower clamping jaw assembly to the direction far away from the lower clamping jaw assembly.

Images