CN110193900B

CN110193900B - Rotary movable block and tire mold

Info

Publication number: CN110193900B
Application number: CN201910686295.5A
Authority: CN
Inventors: 王培杰; 徐成镇; 安平; 孙日文; 杜平
Original assignee: Himile Mechanical Science and Technology Shandong Co Ltd
Current assignee: Himile Mechanical Science and Technology Shandong Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-03-17
Anticipated expiration: 2039-07-29
Also published as: CN110193900A

Abstract

The invention discloses a rotary type movable character block and a tire mold, which belong to the field of tire molds, are arranged in a workpiece groove and comprise a supporting shaft capable of vertically moving in the workpiece groove, a plurality of rotating wheels are arranged on the supporting shaft, a plurality of surfaces with the movable character block are arranged on each rotating wheel, and a positioning mechanism is arranged outside the workpiece groove and at least used for positioning the rotating wheels. In order to facilitate actual installation, the rotary movable type block type workpiece fixture further comprises a box body, the box body is arranged in the workpiece groove, the supporting shaft is arranged in the box body, the positioning mechanism is arranged as an outer cover of the box body, and the rotary movable type block is manufactured in advance and then installed in the workpiece groove, so that the quality of the workpiece can be guaranteed, and the installation efficiency can be improved.

Description

Rotary movable block and tire mold

Technical Field

The invention relates to the field of tire molds, in particular to a rotary movable block and a tire mold.

Background

At present, the character information on the movable character block of the tire mold is fixed and unchangeable, the character information on the movable character block cannot be replaced and adjusted, and if the character information needs to be adjusted, the movable character block must be integrally replaced, so that the production cost of tire vulcanization and mold manufacturing is increased, and the production efficiency is reduced.

Especially, the change of the number type block of the last week of the tire mould is very frequent, because some numerical values on the number type block of the week of the year represent the week, therefore the high frequency is changed and is liable to influence production efficiency, increase the cost of manufacture, the type block of the traditional mode is changed and is taken out through the manual work, then inlay new type block again, because the type block is inlayed in the curb plate recess through interference fit, consequently, the condition of the mould of will appearing spading in the change process, also can produce harmful effects to the appearance quality of tire after spading, secondly the type block edge of inlaying again generally does not conform to the die cavity curve, the tire of vulcanizing like this will produce the defect.

In view of the problems in the prior art, the invention designs and manufactures the rotary type movable block and the tire mold by combining years of design and use experience of related fields and assisting with over-strong professional knowledge, thereby overcoming the defects.

Disclosure of Invention

For the problems in the prior art, the rotary type movable character block and the tire mold provided by the invention can repeatedly utilize the movable character block, have high replacement efficiency and do not influence the appearance quality of the tire.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the rotary type movable character block is arranged in the groove of the workpiece and comprises a supporting shaft, wherein at least one rotating wheel is arranged on the supporting shaft, the rotating wheel is provided with a plurality of rotating surfaces, and the rotary type movable character block further comprises a positioning mechanism, and the positioning mechanism is used for positioning the rotating wheel.

Preferably, the workpiece support device further comprises a box body, the box body is arranged in the workpiece groove, and the support shaft is arranged in the box body.

Preferably, the positioning mechanism is provided as an outer cover.

Preferably, the supporting shaft can move in the workpiece groove, two ends of the supporting shaft are provided with elastic parts, two ends of each elastic part are respectively abutted against the supporting shaft and the bottom of the box body, and the elastic parts enable the rotating wheel to have a tendency of being separated from the workpiece groove.

Preferably, an adjusting device is provided on a side of the support shaft opposite to the elastic member, and the adjusting device can adjust a position of the support shaft.

Preferably, the adjusting device is an adjusting screw, and the adjusting screw penetrates through the outer cover to be in threaded connection or abutting connection with the supporting shaft.

Preferably, an isolation gasket is arranged between every two rotating wheels.

Preferably, the supporting shaft is provided with a plurality of rotating wheels, the rotating wheels are regular cross prisms, and each rotating surface is provided with 0-9 numbers.

Preferably, the positioning mechanism is a positioning block, and the positioning block is embedded at two sides of the rotating wheel to position the rotating wheel.

The tire mold comprises a side plate, wherein a groove is formed in the side plate, and the rotary movable block is arranged in the groove.

The invention has the advantages that.

(1) The invention realizes the quick replacement of the character information of the type block without disassembly and assembly, realizes the repeated utilization of the type block, reduces the manufacturing cost and improves the production efficiency.

(2) The influence of the traditional interference connection on the quality of the tire mold, which needs to be shoveled out, is eliminated, the original cavity curve and the original fit clearance are always kept, the appearance quality of the tire is protected, and the competitiveness of the tire is improved.

(3) According to the invention, the rotary movable block is arranged in the box body, so that the manufacturing and processing are convenient, and the damage to the tire mold is avoided.

(4) The spring is combined with the positioning mechanism to position and guide the rotary type movable block, so that the invention is convenient to adjust in working and non-working states.

(5) The invention utilizes the adjusting screw to adjust the position of the supporting shaft, facilitates the rotation of the rotating wheel, not only facilitates the position adjustment of the supporting shaft, but also has little influence on the surface of the cavity.

(6) The positioning block structure is more beneficial to keeping the original cavity curve, and the positioning is more targeted.

Drawings

Fig. 1 is a front view of a rotary type letter block.

FIG. 2 is a front view of another embodiment of a rotary type letter block.

Fig. 3 is a top view of a rotary type flyer.

Fig. 4 is an enlarged view of fig. 3I.

FIG. 5 is a top view of another embodiment of a rotating type flyer.

Fig. 6 is an enlarged view of fig. 5 II.

Fig. 7 is a schematic structural view of a tire mold.

Fig. 8 is an enlarged view of a partial structure of a tire mold.

In the figure: 1-box body, 2-supporting shaft, 3-adjusting screw, 4-rotating wheel, 5-isolation gasket, 6-positioning block, 7-spring, 8-limiting groove, 9-barrier wall and 10-outer cover.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Embodiment 1, as shown in fig. 1 to 8, there is provided a rotary type letter block, which is provided in a groove of a workpiece (i.e., a tire mold side plate, hereinafter, referred to as a workpiece), including a support shaft 2, the supporting shaft 2 is preferably capable of vertically moving in the groove of the workpiece, the vertical movement means that the supporting shaft 2 can move along the depth direction of the groove of the workpiece, at least one rotating wheel 4 is arranged on the supporting shaft 2, the rotating wheel 4 is rotatably arranged on the rotating shaft 2, each rotating wheel 4 is provided with a plurality of rotating surfaces (or called side surfaces), each rotating surface is provided with at least year round number character information, the purpose of changing the year and week number information is achieved by rotating the rotating wheel 4, a positioning mechanism is arranged outside the workpiece groove and at least used for positioning the rotating wheel 4, the method of setting the text information on the rotating surface may be carving using a carving tool or laser carving, and is not particularly limited.

In order to facilitate actual installation, the rotary type movable type workpiece fixture further comprises a box body 1, the box body 1 is arranged in a workpiece groove, positioning grooves are preferably formed in two sides of the box body 1, the end portion of a support shaft 2 is embedded in the positioning grooves and is in sliding fit with the positioning grooves (the support shaft 2 can slide up and down in the positioning grooves), the end portion of the support shaft 2 can be square or in other shapes, the support shaft 2 cannot rotate along with a rotating wheel 4 when the rotating wheel 4 rotates, and a rotary type movable type block is manufactured in advance and then installed in the workpiece groove, so that the quality of a workpiece can be.

The positioning mechanism is preferably an outer cover 10 (casing outer cover), the outer cover 10 is detachably mounted on the casing 1, the outer cover 10 is provided with a through groove for the rotary surface of the rotating wheel 4 to be embedded in, and for distinguishing the rotary surfaces, the rotary surface embedded in the through groove of the outer cover 10 is defined as a working surface. Meanwhile, in order to facilitate the rotation adjustment of the rotating wheel 4, the two ends of the supporting shaft 2 are connected with the bottom of the box body 1 through elastic parts, the two ends of each elastic part are respectively abutted against the supporting shaft 2 and the bottom of the box body, the rotating wheel 2 has the tendency of being separated from a groove of a workpiece through the elastic parts, the elastic parts can be springs 7, the springs 7 force the rotating wheel 4 to abut against the outer cover 10 to prevent the rotating wheel 4 from rotating, and the generation of glue overflow phenomenon in the vulcanization process can be avoided. Further, the height position of the rotating wheel 4 and the supporting shaft 2 can be adjusted by an adjusting device, which can be an adjusting screw 3. By adopting the positioning mechanism and the adjusting device, smooth transition between one part of the outer peripheral surface of the movable character block and the cavity surface of the mold in actual use is ensured, when the rotating wheel 4 needs to be rotationally adjusted, the adjusting device is utilized to compress the spring 7, so that the rotating wheel 4 is temporarily separated from the outer cover 10, the rotating wheel 4 is not limited by the outer cover 10, and the rotating wheel 4 is stirred by a deflector rod which can extend into the through groove of the outer cover 10, so that the rotating wheel 4 can be rotationally adjusted in the box body 1.

Specifically, springs 7 are arranged on two sides of the box body 1, positioning shafts or positioning holes are arranged on two sides of the bottom of the box body 1 and two ends of the supporting shaft 2, and two ends of each spring 7 are respectively embedded on the positioning shafts or in the positioning holes to be abutted against the box body 1 and the supporting shaft 2; or the two ends of the supporting shaft 2 are connected with sliding rods in a sliding manner, the spring 7 is sleeved on the sliding rods, the two ends of the spring 7 are respectively abutted against the supporting shaft and the bottom of the box body 1, and one end of each sliding rod is provided with a limiting nut. 2 both ends upsides of back shaft (one side relative with spring 7) have set firmly the screwed pipe or set up the screw hole, and adjusting screw 3 wears to establish enclosing

cover

10 and 2 threaded connection of back shaft, can adjust back shaft 2 and runner 4 in the position (height) of box 1 through adjusting screw 3 to further break away from out in the location of runner 4 follow enclosing cover 10, so that the rotation adjustment of runner 4.

Preferably, a spacer is disposed between the two rotating wheels 4 to avoid interference of the rotation of the rotating wheels 4.

Preferably, in order to adapt to the year and week number type letter block, the rotating wheel 4 is a regular cross prism, and each rotating surface is provided with 0-9 numbers or/and other character information, but the invention can also select the rotating wheel 4 with other prisms, such as a hexagonal prism, and different character information is arranged on each rotating surface according to different requirements. The linear distance between any two edges of the rotating wheel 4 is smaller than the distance between the two sides (front and back) of the box body 1, so that the rotating wheel 4 can rotate in the box body 1.

A specific method of operation of an exemplary embodiment of the present invention.

Firstly, a box body 1 with a supporting shaft 2 and a rotating wheel 4 arranged therein is arranged in a groove of a workpiece, the supporting shaft 2 and the rotating wheel 4 are arranged in the box body 1 by utilizing an outer cover 10, the supporting shaft 2 presses the rotating wheel 4 to the outer cover 10 under the action of a spring 7, the rotating wheel 4 is stirred to enable the rotating surface of the rotating wheel to protrude out of the outer cover 10, and the rotating wheel 4 is positioned under the action of the spring 7, so that tire vulcanization can be carried out.

When the letter information of the type block needs to be adjusted, the supporting shaft 2 and the rotating wheel 4 are adjusted into the box body 1 by the adjusting screw 3, the rotating wheel 4 is separated from the outer cover 10 to be positioned, at the moment, the rotating wheel 4 is shifted to a specified rotating surface, the adjusting screw 3 is adjusted, the supporting shaft 2 is enabled to press the rotating surface of the rotating wheel 4 to protrude out of the outer cover 10 again under the action of the spring 7, and the working surface of the rotating wheel 4 is in smooth transition with the die cavity surface.

Example 2.

As another exemplary embodiment, it is different from embodiment 1 in that: the positioning mechanism of the runner 4 is provided with the positioning blocks 6, the positioning blocks 6 are embedded at two sides of the runner 4, when the working surface appointed by the runner 4 protrudes out of the positioning blocks 6, the positioning blocks 6 are used for positioning the runner 4, the positioning blocks 6 are preferably block-shaped structures with the cross sections being generally triangular, the positioning blocks 6 can effectively position the runner 4, and the runner 4 is prevented from rotating or protruding out of the cavity surface of the mold; specifically, one side surface of the positioning block 6 is abutted with two adjacent side surfaces of the working surface of the rotating wheel 4, one side surface of the positioning block is abutted with the side surface of the box body 1, and the other side surface of the positioning block is in smooth transition with the cavity surface of the mold, so that the tire vulcanization quality is ensured.

Example 3.

As still another exemplary embodiment of the present invention, it is different from embodiment 1 or 2 in that: the invention can be provided without the box body 1, the two sides of the workpiece groove are provided with positioning grooves, and the end part of the supporting shaft 2 is embedded in the positioning grooves and is in sliding fit with the positioning grooves. The other end of the supporting shaft 2 is connected with the bottom of the workpiece groove through an elastic part.

The positioning mechanism is preferably a cover 10, the cover 10 being removably attached to the workpiece.

Example 4.

As still another exemplary embodiment of the present invention, it is different from

embodiment

1 or 2 or 3 in that: the rotation type letter block includes at least one

runner

4, and 4 both ends fixedly connected with back shaft 2 of runner, the rotation type letter block can remove along the groove depth direction in the work piece recess, and back shaft 2 and runner 4 can wholly rotate along back shaft 2 axis. The preferred, back shaft 2 is the step shaft, and 2 cross-sections of back shaft are circular, including big footpath section and path section, big footpath section and path section juncture form the step, and big footpath section is located and keeps away from 4 one ends of runner, and the big footpath section at 2 both ends of back shaft inlays in box or work piece spacing groove 8, and spacing groove 8 is close to runner one side and sets up and block wall 9 and can with 2 step looks butt of back shaft. Two sides of the large-diameter section of the support shaft 2 are respectively abutted with the elastic part and the adjusting device.

Example 5.

As another exemplary embodiment of the present invention, there is provided a tire mold, which includes a side plate, wherein the side plate is provided with a groove, preferably an annular groove, and the annular groove is provided with a rotary type movable block as described in

embodiment

1 or 2 or 3 or 4.

It is understood that in other embodiments of the present disclosure, other pattern information or text information, such as trademarks, icons, etc., may be engraved on the rotation surface of the rotary type letter block.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.

Claims

1. The rotation type movable block sets up in the work piece recess, its characterized in that: the device comprises a support shaft, a positioning mechanism and a rotating mechanism, wherein at least one rotating wheel is arranged on the support shaft, and the rotating wheel is provided with a plurality of rotating surfaces and is used for positioning the rotating wheel;

the positioning mechanism is arranged to be an outer cover, the supporting shaft can move in the workpiece groove, elastic parts are arranged at two ends of the supporting shaft, two ends of each elastic part are connected to the bottom of the supporting shaft and the bottom of the workpiece groove respectively, the rotating wheel is made to have the tendency of being separated from the workpiece groove through the elastic parts, and the rotating wheel is made to abut against the outer cover through the elastic parts.

2. The rotary type flyweight of claim 1, wherein: the workpiece support device is characterized by further comprising a box body, the box body is arranged in the workpiece groove, and the support shaft is arranged in the box body.

3. The rotary type flyweight of claim 2, wherein: two ends of the elastic component are respectively abutted against the supporting shaft and the bottom of the box body.

4. The rotary type flyweight of claim 3, wherein: and one side of the supporting shaft, which is opposite to the elastic part, is provided with an adjusting device, and the adjusting device can adjust the position of the supporting shaft.

5. The rotary type flyweight of claim 4, wherein: the adjusting device is set as an adjusting screw which penetrates through the outer cover and is in threaded connection or abutted connection with the supporting shaft.

6. The rotary type flyweight of claim 1, wherein: and an isolation gasket is arranged between every two rotating wheels.

7. The rotary type flyweight of claim 1, wherein: the supporting shaft is provided with a plurality of rotating wheels, the rotating wheels are regular cross prisms, and each rotating surface is provided with 0-9 numbers.

8. The rotary type flyer according to claim 1 or 2, wherein: the positioning mechanism is set as a positioning block, and the positioning block is embedded at two sides of the rotating wheel to position the rotating wheel.

9. A tire mold, characterized by: comprises a side plate, wherein the side plate is provided with a groove, and the rotary movable type block in any one of claims 1-8 is arranged in the groove.