CN216152923U

CN216152923U - Tire production mould with shock attenuation protection

Info

Publication number: CN216152923U
Application number: CN202121652898.2U
Authority: CN
Inventors: 李培勇
Original assignee: Dongguan Yonghong Mould Co ltd
Current assignee: Dongguan Yonghong Mould Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-04-01
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a tire production mold with shock absorption protection, which comprises a bottom plate, wherein a lower mold is arranged on the upper end surface of the bottom plate; the buffer block is fixedly arranged at the edges of the lower die and the upper die, a fixed rod is fixed on the side surface of the upper die, and a fixed box is arranged on the side surface of the lower die; the valve plate is movably arranged inside the fixed box, a return spring is fixed on the lower end face of the valve plate, and a first channel and a second channel are respectively formed inside the lower die; the fixed block is fixedly arranged inside the lower die, an air transmission cavity is formed in the bottom of the fixed block, and a fixed cavity is formed in the fixed block. This tire production mould with shock attenuation protection is provided with shock attenuation protective structure, can reduce the vibrations that the mould divides mould and compound die in-process produced, avoids influencing the shaping of tire, can eliminate the production that the air in the mould prevented the bubble simultaneously.

Description

Tire production mould with shock attenuation protection

Technical Field

The utility model relates to the technical field of tire production, in particular to a tire production mold with shock absorption protection.

Background

The mode of moulding plastics is mostly passed through in the production process to the tire, because tire self is great, consequently also corresponding great to the mould specification of its processing, and in the tire shaping process, the collision between mould and the lower mould not only can cause the damage of mould, still can influence the shaping of product, nevertheless current tire production mould still has following shortcoming in the in-service use process:

traditional tire mould lacks shock attenuation protective structure, does not go up the structure that cushions the protection between mould and the lower mould, and the vibrations that consequently produce can influence the shaping and the production of tire, to above-mentioned problem, urgently need carry out the innovative design on the basis of original tire production mould.

Disclosure of Invention

The utility model aims to provide a tire production mold with shock absorption protection, and aims to solve the problems that the conventional tire mold is short of a shock absorption protection structure and a shock absorption protection structure is not arranged between an upper mold and a lower mold in the background technology, so that the molding and production of a tire are influenced by the generated vibration.

In order to achieve the purpose, the utility model provides the following technical scheme: a tire production mold with shock absorbing protection, comprising:

the upper end face of the bottom plate is provided with a lower die, a top plate is arranged on the upper portion of the bottom plate through a bolt, a telescopic cylinder is arranged on the upper end face of the top plate, and the bottom of the telescopic cylinder is connected with an upper die;

the buffer block is fixedly arranged at the edges of the lower die and the upper die, a fixed rod is fixed on the side surface of the upper die, and a fixed box is arranged on the side surface of the lower die;

the valve plate is movably arranged inside the fixed box, a return spring is fixed on the lower end face of the valve plate, and a first channel and a second channel are respectively formed inside the lower die;

the fixed block is fixedly arranged inside the lower die, the bottom of the fixed block is provided with an air conveying cavity, the fixed block is internally provided with a fixed cavity, and an air outlet is reserved in the side face of the fixed block.

Preferably, dead lever and fixed box all set up about the vertical axis symmetry of lower mould, and the buffer block on lower mould and the last mould is interior empty setting, can keep sealed at first after going up mould and lower mould contact like this, can drive the buffer block deformation through continuing to remove.

Preferably, the top of the fixing box is provided with a through hole, the inner wall of the through hole is pasted with a sealing ring for improving the sealing performance, and the central axes of the through hole and the fixing rod are positioned on the same vertical line, so that the fixing rod can be driven to enter the fixing box when the upper die descends.

Preferably, the edge of the valve plate is tightly attached to the inner wall of the fixing box, the edge of the valve plate and the inner wall of the fixing box form a longitudinal sliding structure, the highest point of the valve plate is lower than the lowest point of the first channel, and the fixing rod can push the valve plate to move after entering the fixing box.

Preferably, two ends of the first channel are respectively communicated with the inside of the lower die and the upper end of the fixing box, a three-way valve is arranged at the joint of the first channel and the second channel, and suction force generated when the valve plate descends can enter the first channel to further draw out air in the lower die.

Preferably, the two ends of the second channel are respectively communicated with the upper end of the fixed box and the air transmission cavity, the air transmission cavity is communicated with the air outlet through the fixed cavity, the air outlet is distributed at equal angles on the fixed block, wind power generated when the valve plate moves upwards can enter the second channel, and finally the wind power is discharged from the air outlet to play a role in accelerating demoulding.

Compared with the prior art, the utility model has the beneficial effects that: the tire production mold with the shock absorption protection function is provided with the shock absorption protection structure, so that the shock generated in the mold splitting and closing process of the mold can be reduced, the molding of a tire is prevented from being influenced, and meanwhile, the air in the mold can be eliminated to prevent bubbles from being generated;

1. the upper die can drive the fixing rod to penetrate through the through hole to extend into the fixing box after descending so as to push the valve plate to move, the upper die and the lower die can be sealed firstly through the arrangement of the buffer block when being combined, the buffer block is extruded to deform so as to drive the fixing rod to move downwards continuously, the generated suction force can be transmitted through the first channel, and redundant air in the die is pumped out;

2. and when going up mould and lower mould and part, rebound resilience through reset spring can drive the valve plate upward movement, and then produces in wind-force gets into the second passageway to get into fixed intracavity through the gas transmission chamber, evenly discharge from the exhaust vent at last, play the effect of drawing of patterns with higher speed.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of a front cross-sectional structure of a lower mold of the present invention;

FIG. 3 is a schematic cross-sectional view taken at A in FIG. 2 according to the present invention;

fig. 4 is a schematic front sectional view of the fixing block of the present invention.

In the figure: 1. a base plate; 2. a lower die; 3. a top plate; 4. a telescopic cylinder; 5. an upper die; 6. a buffer block; 7. fixing the rod; 8. a fixing box; 81. a through hole; 82. a seal ring; 9. a valve plate; 10. a return spring; 11. a first channel; 12. a second channel; 13. a fixed block; 14. an air delivery cavity; 15. a fixed cavity; 16. and (4) an air outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a tire production mold with shock absorption and protection comprises a bottom plate 1, a lower mold 2, a top plate 3, a telescopic cylinder 4, an upper mold 5, a buffer block 6, a fixed rod 7, a fixed box 8, a through hole 81, a sealing ring 82, a valve plate 9, a return spring 10, a first channel 11, a second channel 12, a fixed block 13, an air conveying cavity 14, a fixed cavity 15 and an air outlet 16,

the upper end face of the bottom plate 1 is provided with a lower die 2, a top plate 3 is arranged above the bottom plate 1 through a bolt, the upper end face of the top plate 3 is provided with a telescopic cylinder 4, and the bottom of the telescopic cylinder 4 is connected with an upper die 5;

the buffer block 6 is fixedly arranged at the edges of the lower die 2 and the upper die 5, a fixed rod 7 is fixed on the side surface of the upper die 5, and a fixed box 8 is arranged on the side surface of the lower die 2;

the valve plate 9 is movably arranged inside the fixed box 8, a return spring 10 is fixed on the lower end face of the valve plate 9, and a first channel 11 and a second channel 12 are respectively formed inside the lower die 2;

the fixed block 13 is fixedly arranged inside the lower die 2, the bottom of the fixed block 13 is provided with an air transmission cavity 14, the fixed block 13 is internally provided with a fixed cavity 15, and an air outlet 16 is reserved on the side face of the fixed block 13.

The fixed rods 7 and the fixed boxes 8 are symmetrically arranged about the vertical axis of the lower die 2, and the buffer blocks 6 on the lower die 2 and the upper die 5 are both arranged in a hollow manner;

the top of the fixing box 8 is provided with a through hole 81, the inner wall of the through hole 81 is adhered with a sealing ring 82 for improving the sealing performance, and the central axes of the through hole 81 and the fixing rod 7 are positioned on the same vertical line;

the edge of the valve plate 9 is tightly attached to the inner wall of the fixed box 8, the edge of the valve plate 9 and the inner wall of the fixed box form a longitudinal sliding structure, and the highest point of the valve plate 9 is lower than the lowest point of the first channel 11;

two ends of the first channel 11 are respectively communicated with the interior of the lower die 2 and the upper end of the fixed box 8, and a three-way valve is arranged at the joint of the first channel 11 and the second channel 12;

the two ends of the second channel 12 are respectively communicated with the upper end of the fixed box 8 and the air transmission cavity 14, the air transmission cavity 14 is communicated with the air outlet 16 through the fixed cavity 15, and the air outlet 16 is distributed on the fixed block 13 at equal angles.

The working principle is as follows: as shown in fig. 1-4, firstly as shown in fig. 1-3, the telescopic cylinder 4 drives the upper die 5 to descend to be combined with the lower die 2, and during the descending process, the upper die 5 is firstly driven to be in contact with the buffer block 6 on the lower die 2, so that the sealing performance in the die can be firstly maintained, then the fixing rod 7 is driven to extend into the fixing box 8, and when the fixing rod 7 is in contact with the through hole 81, the sealing performance can be maintained through the sealing ring 82, the fixing rod 7 entering the fixing box 8 pushes the valve plate 9 to move downwards, so that the generated suction force can enter the first channel 11 and extract the air in the die, so that the air in the die is reduced, the generation of air bubbles during the subsequent injection molding can be avoided, and through the arrangement of the reset spring 10, the vibration generated when the upper die 5 is in contact with the lower die 2 can be reduced, and a good damping protection effect can be achieved;

as shown in fig. 1 and fig. 3-4, after the tire is formed, the upper mold 5 is separated from the lower mold 2, the valve plate 9 can be driven to move upwards through the resilience of the return spring 10, and blowing force is generated, so that wind power enters the second channel 12, then enters the fixed cavity 15 through the air transmission cavity 14, and finally is uniformly discharged from the air outlet 16, and the effect of accelerating demolding can be achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A tire production mold with shock absorption protection is characterized by comprising:

2. A tyre production mould with shock absorbing protection as claimed in claim 1, characterized in that: the fixed rod and the fixed box are symmetrically arranged about the vertical axis of the lower die, and the buffer blocks on the lower die and the upper die are arranged in a hollow mode.

3. A tyre production mould with shock absorbing protection as claimed in claim 1, characterized in that: the top of the fixing box is provided with a through hole, the inner wall of the through hole is pasted with a sealing ring for improving the sealing performance, and the central axes of the through hole and the fixing rod are positioned on the same vertical line.

4. A tyre production mould with shock absorbing protection as claimed in claim 1, characterized in that: the edge of the valve plate is tightly attached to the inner wall of the fixing box, the edge of the valve plate and the inner wall of the fixing box form a longitudinal sliding structure, and the highest point of the valve plate is lower than the lowest point of the first channel.

5. A tyre production mould with shock absorbing protection as claimed in claim 1, characterized in that: the two ends of the first channel are respectively communicated with the interior of the lower die and the upper end of the fixed box, and a three-way valve is arranged at the joint of the first channel and the second channel.

6. A tyre production mould with shock absorbing protection as claimed in claim 1, characterized in that: the two ends of the second channel are respectively communicated with the upper end of the fixed box and the air transmission cavity, the air transmission cavity is communicated with the air outlet through the fixed cavity, and the air outlet is distributed on the fixed block at equal angles.