JP2000167854A - Cleaning device for tire mold - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a low-priced and highly safe tire mold which can be used online and shows high workability without the necessity to install a recovery device for a polishing/cleaning material and a dust collector. SOLUTION: This cleaning device for a tire mold comprises a device frame 10 consisting of a fixed frame 11 installed on a mold receiving seat 4 and a lifting frame 12 mounted through a linkage mechanism 13, a gyrating frame 31 installed on the lifting frame 12 in a vertically reversible manner, an oscillating block attached to the gyrating frame 31 in an oscillating manner, a shift block mounted on the oscillating block in a slidable manner, a first nozzle 71 of the straight forward jet type and a second nozzle 72 of the curved forward jet type which are attached at a specified interval in the slidable direction and are positionally registered so that the nozzles 71, 72 communicate with a coaxial flow path part which is opened in the sliding face of the oscillating block by the sliding action, and a pelletlike dry ice and air polishing and cleaning material supply mechanism 40 provided in such a way that it communicates with the flow path part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cleaning a mold mainly for producing automobile tires.

[0002]

2. Description of the Related Art In a mold for an automobile tire, it is necessary to periodically remove a rubber piece adhered to the mold by vulcanization molding of a rubber material by some method to clean the mold molding surface. The following methods are known as conventional methods for cleaning tire dies, but each of them has many problems and is not practical.

(1) Cleaning method by shot of glass ball or plastic ball This is a method of cleaning by spraying a glass ball or a plastic ball onto a molding surface of a mold, but this method has the following problems. There is. 1) First, glass balls and plastic balls must be collected, and a device for collecting abrasives is required. 2) Glass or plastic balls will be damaged or scattered.
A dust collector is required. 3) Pieces of glass or plastic balls enter the pores of the mold and block them. (Φ0.6-1.5mm so that air and steam do not accumulate in the tire mold during vulcanization molding to prevent defective shape.
About 2,000 holes are drilled. 4) It is not suitable for online cleaning because of poor workability and the occurrence of blind spots. 5) On-line cleaning is dangerous because the upper die must be stopped at the raised position and the operator must enter underneath.

(2) Method using laser, plasma, etc. This method uses a halogen gas (JP-A-8-24).
No. 4041), those using plasma (JP-A-8-29)
No. 4921), a device using a microwave (Japanese Unexamined Patent Publication No. 9-2)
No. 16235). However, in each case, the apparatus is expensive, and the mold must be removed and transported out of the production line before cleaning, which is extremely inefficient. Another problem is that preheating for 4 to 5 hours is required after cleaning is completed.

(3) Cleaning method using a robot This is a method for cleaning using a general-purpose robot and using dry ice as a polishing material. However, teaching to the robot is required for each mold, and a robot hand is used. However, there is a problem that a blind spot occurs due to interference with a mold. Also,
Since the cost is expensive and the robot cannot be permanently installed on the production line, the robot must be transported to the target mold and installed, which is very inefficient.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and can be used online, and does not require a polishing material collection device or a dust collection device. It is an object of the present invention to provide a tire mold cleaning device which has good workability, is inexpensive in cost, and has high safety.

[0007]

According to the present invention, there is provided an apparatus for cleaning a mold for a tire according to the present invention, which includes a first nozzle for straight injection and a second nozzle for curved injection as means for injecting dry ice in the form of pellets and air.
The nozzle is configured to be selectively switchable or replaceable, and the first and second nozzles are turned upside down, the first and second nozzles are turned, and the first and second nozzles are turned. And a means for raising and lowering the first and second nozzles, and a body frame that is portable and stably installed on a mold receiving stand.

[0008] The cleaning apparatus for a tire mold of the present invention has the following features. (1) An airframe composed of a square frame as a whole, including a fixed frame installed on the mold receiving table, an elevating frame provided on the fixed frame so as to be able to move up and down, and the elevating frame A reversing frame provided to be vertically reversible, a revolving frame rotatably provided on the reversing frame, a revolving block provided to be revolvable on the revolving frame, and slidable on the revolving block. And a shift block attached to the shift block at a predetermined interval in the sliding direction. The slide block slides so as to communicate with a coaxial flow path opening in a sliding surface of the swing block. And a first nozzle and a second nozzle that are aligned with each other, and communicate with a flow path section of the swing block through a central portion of a rotation axis of the turning frame. And a supply means for vignetting pellet-like dry ice and air. (2) an airframe composed of a square frame as a whole, which is composed of a fixed frame installed on the mold receiving stand, and an elevating frame provided on the fixed frame so as to be able to move up and down, and the elevating frame A reversing frame provided to be vertically reversible, a revolving frame rotatably provided on the reversing frame, a revolving block provided to be revolvable on the revolving frame, and detachable from the revolving block immediately And a first nozzle or a second nozzle attached to the oscillating frame, and a pellet formed to communicate with a coaxial flow passage opening to the nozzle mounting surface of the oscillating block through the center of the rotation shaft of the revolving frame. Dry ice and air supply means. (3) The turning means and the turning frame are configured such that the radius from the center of rotation is adjustable.

In the present invention, pellet-shaped dry ice is used as the abrasive. This is injected together with air to clean the molding surface of the tire mold. Dry ice vaporizes after injection to carbon dioxide and does not need to be recovered. Also, the amount of dust generated by the injection is very small and does not require dust collection. When cleaning the lower mold and the upper mold of the tire mold, the first nozzle of the straight injection is used, and when cleaning the tread mold, the second nozzle of the curved injection is used. In order to use the first nozzle and the second nozzle properly,
The first and second nozzles are configured to be selectively switched or exchangeable. Specifically, the flow path is switched by sliding the shift block to which the first and second nozzles are attached, or the first nozzle and the second nozzle are immediately replaced by the quick-disconnect means. The first and second nozzles are turned upside down or turned upside down so that the nozzle tips are directed toward the mold forming surface, and then turned. The tip of the nozzle is cleaned by tilting or swinging the tip of the nozzle by a swinging means for the curved portion or the corner portion of the molding surface. Further, the vertical portion of the molding surface of the tread surface mold is cleaned while moving the second nozzle up and down. The body frame provided with each of the above means can be transported by a forklift or the like, and is stably installed on the mold receiving stand. Therefore, the present apparatus can be directly brought into the tire manufacturing line, and the mold to be cleaned can be safely and efficiently cleaned. Further, the cost can be reduced.

[0010]

FIG. 1 is a plan view of a tire mold cleaning apparatus according to the present invention, FIG. 2 is a side view partially showing a state of cleaning an upper mold, and FIG. 3 is a lower mold cleaning. FIG. 4 is a side view showing a state at the time of cleaning the tread surface mold, and FIG.
6 is a sectional front view of the nozzle mechanism, FIG. 6 is a sectional side view thereof, FIG. 7 is a plan view of the nozzle swing mechanism, and FIG. 8 is a view taken along the line AA of FIG. The tire mold includes a lower mold 1 and an upper mold 2
The upper mold 2 and the tread mold 3 are integrally raised to an upper position by an opening / closing mechanism (not shown) when the mold is opened. The lower mold 1 is provided with a mold receiving stand 4.

The body frame 10 of the present apparatus comprises a fixed frame 11 and an elevating frame 12 connected thereto via an elevating link mechanism 13. The elevating frame 12 is linked in an X-shape (one end is supported by a roller). The lifting and lowering mechanism 13 is supported by a pair of lifting and lowering link mechanisms 13 and is moved up and down while maintaining a horizontal posture by a lifting and lowering cylinder 14 connecting the lifting and lowering link mechanism 13 and the fixed frame 11. A plurality of positioning jigs 15 that engage with the circumferential surface of the cylindrical mold receiving base 4 are attached to the fixed frame 11, and the jigs 15 are attached to the mounting plate 16 so that they can be adjusted according to the size of the mold. It is adjusted by the long hole 17 and attached. The fixed frame 11 and the elevating frame 12 are formed in substantially the same rectangular shape.
2 is provided with a hook 18 into which, for example, a claw of a forklift is inserted.

The nozzle reversing mechanism 20 of the present apparatus comprises a reversing frame 21 which is rotatably supported at both ends on an elevating frame 12 and which is inverted up and down 180 ° by a reversing motor 22. The reversing frame 21 is formed of a rectangular frame so as to be inverted in the elevating frame 12 in order to make the height as low as possible, and one shaft 23 provided on the frame is connected to a reduction gear (worm gear) of a reversing motor 22. (Reduction gear) 24, and the other shaft 25 is supported by a bearing 26.
Here, the nozzle inversion mechanism 20 is configured to be automatically inverted, however, a manual handle may be provided in the worm gear box to rotate one shaft 23 manually.

The nozzle turning mechanism 30 of the present apparatus includes a turning frame 31 rotatably supported by the reversing frame 21,
A turning motor 32 for rotating the turning frame 31 via a gear mechanism 33 is provided. The rotating shaft 35 of the rotating head 34 that forms one side of the rectangular rotating frame 31 is supported by the reversing frame 21, and the rotating shaft 35 is rotated by the rotating motor 32 mounted on the reversing frame 21 via the gear mechanism 33. Rotate. The rotation shaft 35 is provided so as to be located substantially at the center of the mold. A pair of slide plates 36 constituting side portions of the revolving frame 31 are adjustably attached to the rotating head 34 via long holes 37 so as to adjust the revolving radius of the nozzle according to the size of the mold. Has become. A swing block 51, which will be described later, is pivotally supported at the distal ends of the slide plates 36 so as to form another side facing the rotary head 34.

The interior of the rotary head 34 and the rotary shaft 35 are formed as coaxial double-pipe channels 41 and 42, and the inner channel 41 is formed of dry ice pellets (for example, having an outer diameter of 3 mm × length). A pellet having a diameter of about 5 to 10 mm is used, and a spherical dry ice pellet of 0.4 mm is used for a mold for a studless tire. I have. Inner channel 41
A dry ice supply hose 44 is connected to the shaft end side via a double-pipe rotary joint 43, and an intermediate hose 46 for dry ice communicating with the nozzle via a branch joint 45 is connected to the other head side. ing. Further, an air supply hose 47 is connected to the shaft end side of the outer flow path 42 via the rotary joint 43, and an air intermediate hose 48 connected to the nozzle via the branch joint 45 to the head side. . Of course, the base ends of the supply hoses 44 and 47 are connected to a dry ice supply source and an air supply source (not shown). The above is the main configuration of the mechanism 40 for supplying the abrasive material for dry ice and air to the nozzle.

The swing block 51 is rotatably supported at the distal end of the slide plate 36 by hollow shafts 52 at both ends. Inside the swinging block 51, a small-diameter flow passage 54 extending horizontally from the hollow shafts 52 at both ends and forming a vertical coaxial flow passage portion 53 at the center portion and opening on the sliding surface is formed. Are provided. 56 is the channel 5
4 and an inner tube provided coaxially with the flow path 55. The dry ice intermediate hose 46 is connected to a flow path 54 via a rotary joint 57, and the air intermediate hose 48 is connected to a flow path 55 via a rotary joint 58. The channels 54, 5 described here
5, the inner pipe 56, and the rotary joints 57 and 58 also constitute a part of the above-mentioned abrasive cleaning material supply mechanism 40.

The swing block 51 is provided with a holding member 62 as a nozzle shift mechanism 60 as a nozzle shift mechanism 60.
5, the shift block 61 is shifted left and right in FIG. 5 by a cylinder 63 provided in the swing block 51.

The nozzle mechanism 70 of the present apparatus comprises a first nozzle 71 for spraying dry ice as a polishing material by moving straight upward or downward, and a second nozzle 72 for spraying while bending horizontally in a curved direction. ing. These first nozzle 71 and second nozzle 71
The nozzle 72 is provided upright so as to penetrate the shift block 61 at a predetermined interval from the shift block 61.
In FIG. 5, the first nozzle 71 of the straight injection is the swing block 5
Positioning is performed so as to communicate with a vertical coaxial flow path portion 53 that opens on the first sliding surface. Each of the first nozzle 71 and the second nozzle 72 is provided with ejectors 73 and 74 for dry ice. When the shift block 61 is pulled by the cylinder 63, the flow path is switched to the second nozzle 72 of the curved injection.

The nozzle oscillating mechanism 50 of the apparatus is constructed by connecting a oscillating block 51 and an oscillating motor 57 mounted on the slide plate 36 by a link mechanism 59 comprising a rotating arm 59a and a link 59b. The oscillating mechanism 50 allows the oscillating block 51 to rotate or swing about the hollow shafts 52 at both ends, so that the first and second nozzles attached to the shift block 61 on the oscillating block 51. The nozzle tips of 71 and 72 can be tilted or swung at a predetermined angle. In the embodiment, the inclination angle of the nozzle is set to 10 ° to 15 ° from the center of the nozzle, depending on the size of the mold. In the case where the tire mold has a small diameter, the nozzle swing angle can be as small as 10 ° or less. Therefore, a simple elbow is used instead of the rotary joints 57 and 58, so that the configuration dimensions can be made compact and Cost can be reduced.

The cleaning device according to this embodiment is configured as described above, and the operation thereof will be described next.

(1) When Cleaning the Lower Die (Refer to FIG. 3) In this case, the first nozzle 71 of the straight injection is used.
First, the apparatus is transported by a forklift to a mold to be cleaned in a production line, inserted between the lower mold 1 and the upper mold 2 that are open vertically, and the positioning jig 15 of the fixed frame 11 is used to mold the apparatus. It is positioned and mounted on the mold receiving table 4. This positioning does not require much accuracy. It suffices if this apparatus can be stably installed horizontally on the mold receiving stand 4. As a result, the center of rotation of the revolving frame 31 substantially coincides with the center of the mold. Note that the positioning jig 15 is adjusted in advance by the elongated hole 17 of the mounting plate 16 in accordance with the size of the mold. Also, the turning radius of the first nozzle 71 is adjusted by adjusting the slide plate 36 of the turning frame 31 with the elongated hole 37.

After leaving the forklift, the first nozzle 71
By sliding the shift block 61 with the cylinder 63, the position of the shift block 61 is aligned with the coaxial flow path portion 53 opened on the sliding surface of the swing block 51. Furthermore, the first
The nozzle 71 is turned downward by the nozzle reversing mechanism 20. This can be reversed by rotating the reversing frame 21 manually or by 180 ° by the reversing motor 22 (of course, if it is downward from the beginning,
This is not necessary.) At the same time that dry ice in the form of pellets is jetted from the first nozzle 71 through the dry ice supply hose 44 and the air supply hose 47,
The forming surface 5 of the lower mold 1 is cleaned by turning the turning frame 31. At this time, since the molding surface 5 of the lower die 1 is a curved surface having a certain width, the inclination angle of the first nozzle 71 is changed by using the nozzle swing mechanism 50 to change the lower die molding surface 5. The central part, the inner peripheral part and the outer peripheral part are cleaned in three stages. Of course, the first nozzle 71 may be swung while being swung by the swing mechanism 50. Since the first nozzle 71 rotates on the center of the lower mold 1, the lower mold forming surface 5 can be completely cleaned by dry ice sprayed from the first nozzle 71.

(2) When Cleaning the Upper Die (See FIG. 2) In this case, too, the first nozzle 71 for direct injection is used. After the upper mold 2 is set horizontally as shown in FIG. 2, the first nozzle 71 may be inverted upward by the nozzle inversion mechanism 20, and then the same operation as in (1) may be performed. As a result, the upper mold forming surface 6 can be cleaned similarly.

(3) When cleaning the tread surface mold (see FIG. 4) In this case, the second nozzle 72 of the curved injection is used.
Therefore, the second nozzle 72 is moved by the nozzle shift mechanism 60.
Is aligned with the coaxial flow path portion 53 opening on the sliding surface of the swing block 51. As a result, the flow path is switched to the second nozzle 72, and the flow path to the first nozzle 71 is closed. As shown in FIG. 4, the tread surface mold 3 has a U-shaped cross section forming surface 7, so that the vertical portion thereof is cleaned while the second nozzle 72 is raised and lowered by the lifting frame 12 and the lifting link mechanism 13. The corner is cleaned by the swing mechanism 50 for the second time.
This is performed by changing the tilt angle of the nozzle 72 or by turning the nozzle tip while swinging. In this way, the tread molding surface 7 can be cleanly cleaned to every corner.

In the above embodiment, the example of the nozzle shift mechanism 60 has been described as the means for selectively switching the first and second nozzles 71 and 72, but the means for exchanging the first nozzle 71 and the second nozzle 72 has been described. One example is shown in FIGS. Here, a general stopper mechanism is used as the nozzle quick-removal mechanism 80. That is, the connection ring 81 is divided into two parts, one end of which is connected with a hinge 82, the other end of which is pin-connected to the tip of a lever 84 having a stopper ring 83, and the other end of the other connection ring is connected with a pin. An engaging projection 85 for catching the tip of the stopper ring 83 is provided. The inner surface of the connection ring 81 is tapered, and the first nozzle 7
A tapered flange 75 provided on the mounting end of the first and second nozzles 72 and a tapered flange 76 provided on the mounting surface of the swing block 51 are fastened and fixed by a connection ring 81. Attach the tip of the stopper ring 83 to the engagement protrusion 8
5 and pull down the lever 84, the connection ring 8
1 is tightened and fixed, so that the swing block 5
The first nozzle 71 or the second nozzle 72 can be attached to one. Further, when the lever 84 is raised, the connection ring 81 is opened, so that the first or second nozzle 7
1, 72 can be immediately removed, and the nozzle can be replaced immediately. Therefore, the nozzle replacement operation is easy and the safety is high. Such a quick release mechanism 80
For example, a rotation operation of the nozzle by a half rotation of a ratchet can be used.

In the present invention, it goes without saying that the design of each means can be changed unless the gist is changed.

[0026]

As described above, according to the present invention,
The following effects are obtained. (1) Since the mold is cleaned by injecting dry ice in the form of pellets, an equipment for collecting abrasives and a dust collecting device are not required, so that equipment costs can be greatly reduced. (2) Since the first nozzle for straight injection is configured to be selectively switched or exchangeable for the lower mold and the upper mold, and the second nozzle for curved injection is configured for the tread mold. The operability is good, safe, and the cleaning operation can be performed efficiently. (3) Since the first and second nozzles are provided with upside-down reversing means, turning means, oscillating means, and elevating means, each part of the mold forming surface can be cleanly cleaned to every corner in a short time. it can. (4) Since the present apparatus can be easily transported by a forklift or the like, the mold can be cleaned online and can be immediately removed when not in use, which is convenient.

[Brief description of the drawings]

FIG. 1 is a plan view of a tire mold cleaning device of the present invention.

FIG. 2 is a side view showing a state at the time of cleaning an upper mold in a partial cross section.

FIG. 3 is a side view showing a state at the time of cleaning a lower mold.

FIG. 4 is a side view showing a state at the time of cleaning a tread surface mold.

FIG. 5 is a sectional front view of a nozzle mechanism.

FIG. 6 is a sectional side view of FIG. 5;

FIG. 7 is a plan view of a nozzle swing mechanism.

FIG. 8 is a view taken along line AA of FIG. 7;

FIG. 9 is a cross-sectional view showing a mechanism for immediately attaching and detaching a nozzle.

FIG. 10 is a sectional view taken along line BB of FIG. 9;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lower mold 2 Upper mold 3 Tread mold 4 Mold receiving stand 5 Lower mold molding surface 6 Upper mold molding surface 7 Tread mold molding surface 10 Body frame 11 Fixed frame 12 Elevating frame 13 Elevating link mechanism 14 Lifting Cylinder 20 Nozzle Reversing Mechanism 21 Reversing Frame 22 Reversing Motor 30 Nozzle Revolving Mechanism 31 Revolving Frame 32 Revolving Motor 33 Gear Mechanism 35 Rotating Shaft 40 Abrasive Cleaning Material Supply Mechanism 41 Dry Ice Flow Path 42 Air Flow Path 44 Dry ice supply hose 47 Air supply hose 50 Nozzle swing mechanism 51 Swing block 53 Coaxial flow passage 60 Nozzle shift mechanism 61 Shift block 63 Cylinder 70 Nozzle mechanism 71 First nozzle 72 Second nozzle 80 Immediate desorption mechanism 81 Connection ring

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[Procedure amendment]

[Submission date] January 8, 1999 (1999.1.8)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0015

[Correction method] Change

[Correction contents]

The swing block 51 is rotatably supported at the distal end of the slide plate 36 by hollow shafts 52 at both ends. Inside the swinging block 51, a small-diameter flow passage 54 extending horizontally from the hollow shafts 52 at both ends and forming a vertical coaxial flow passage portion 53 at the center portion and opening on the sliding surface is formed. Are provided. 56 is the channel 5
4 and an inner tube provided coaxially with the flow path 55. The dry ice intermediate hose 46 is connected to the flow path 54 via a rotary joint 58a , and the air intermediate hose 48 is connected to the flow path 55 via a rotary joint 58b . The channel 54 described here,
55, inner tube 56, rotary joints 58a, 58b
Also constitute a part of the cleaning material supply mechanism 40.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0018

[Correction method] Change

[Correction contents]

The nozzle oscillating mechanism 50 of the apparatus is constructed by connecting a oscillating block 51 and an oscillating motor 57 mounted on the slide plate 36 by a link mechanism 59 comprising a rotating arm 59a and a link 59b. The oscillating mechanism 50 allows the oscillating block 51 to rotate or swing about the hollow shafts 52 at both ends, so that the first and second nozzles attached to the shift block 61 on the oscillating block 51. The nozzle tips of 71 and 72 can be tilted or swung at a predetermined angle. In the embodiment, the inclination angle of the nozzle is set to 10 ° to 15 ° from the center of the nozzle, depending on the size of the mold. When the tire mold has a small diameter, the nozzle swing angle can be as small as 10 ° or less. Therefore, a simple elbow is used in place of the rotary joints 58a and 58b , so that the configuration dimensions can be reduced. Cost can be reduced.

[Procedure amendment 3]

[Document name to be amended] Drawing

[Correction target item name] Fig. 5

[Correction method] Change

[Correction contents]

FIG. 5

[Procedure amendment 4]

[Document name to be amended] Drawing

[Correction target item name] Fig. 7

[Correction method] Change

[Correction contents]

FIG. 7

[Procedure amendment 5]

[Document name to be amended] Drawing

[Correction target item name] Fig. 9

[Correction method] Change

[Correction contents]

FIG. 9

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat ゛ (Reference) B29K 21:00 105: 24 B29L 30:00 (72) Inventor Daisuke Tahara 1-16 Shimbashi, Minato-ku, Tokyo No. 7 Nippon Sanso Corporation (72) Inventor Kenji Demura 1-16-7 Shimbashi, Minato-ku, Tokyo Nippon Sanso Corporation (72) Inventor Tomoyuki Tasaka 643 No. 4 Kamigami-cho, Kanbe-cho, Shenzhen-gun, Hiroshima Setouchi Giken Co., Ltd. (72) Inventor Naoto Omura, Fukuyama Co., Ltd., Fukuyama City, Hiroshima Prefecture Fukuyama Kyoki Co., Ltd. ) Inventor Tazazawa Taburo Fukuyama Kyodo Co., Ltd. 04 4F202 AH20 AM13 CA21 CS02 4F203 AH20 AM13 DA11 DB01 DF15 DJ31

Claims (4)

[Claims] 1. A first nozzle for linear injection and a second nozzle for curved injection are selectively switched or exchangeable as a means for injecting dry ice and air in the form of pellets, and said first and second nozzles are provided. Up and down turning means, turning means of the first and second nozzles, swinging means of the first and second nozzles, elevating means of the first and second nozzles, and
A cleaning apparatus for a tire mold, comprising a portable body frame which is stably installed on a mold receiving stand. 2. A body frame comprising a fixed frame which is entirely formed by a rectangular frame and is installed on the mold receiving stand, and an elevating frame provided on the fixed frame so as to be able to move up and down. A reversing frame provided on the elevating frame so as to be capable of reversing up and down; a revolving frame rotatably provided on the reversing frame; a revolving block provided on the revolving frame so as to be pivotable; A shift block movably provided; and a shift block attached to the shift block at a predetermined interval in a sliding direction, and communicates with a coaxial flow path portion opened on a sliding surface of the swing block by sliding of the shift block. And a first nozzle and a second nozzle aligned with each other, and communicating with a flow path of the swing block through a center of a rotation axis of the turning frame. 2. A cleaning device for a tire mold according to claim 1, further comprising: a pellet-shaped dry ice and air supply means provided to perform the drying. 3. An airframe which is constituted by a generally rectangular frame and comprises a fixed frame installed on the mold receiving stand, and an elevating frame provided on the fixed frame so as to be able to move up and down. A reversing frame provided on the elevating frame so as to be vertically reversible; a revolving frame rotatably provided on the reversing frame; a revolving block provided on the revolving frame so as to be pivotable; First detachably mounted
A nozzle or a second nozzle, a pellet-shaped dry ice and air, which are provided so as to communicate with a coaxial flow path opening through a center portion of a rotation shaft of the revolving frame to a nozzle mounting surface of the swinging block. The cleaning device for a tire mold according to claim 1, further comprising a supply unit. 4. The tire mold according to claim 1, wherein the turning means and the turning frame are configured such that a radius from a center of rotation is adjustable. Cleaning equipment.