CN212889057U - Spindle device for tire building machine - Google Patents
Spindle device for tire building machine Download PDFInfo
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- CN212889057U CN212889057U CN202120496564.4U CN202120496564U CN212889057U CN 212889057 U CN212889057 U CN 212889057U CN 202120496564 U CN202120496564 U CN 202120496564U CN 212889057 U CN212889057 U CN 212889057U
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Abstract
The utility model relates to a tire building machine technical field specifically is a spindle unit on tire building machine. The method comprises the following steps: the main shaft, the drive shaft of being connected with the main shaft to and install at the epaxial rotatory gas circuit subassembly of main shaft, the drive end at the make-up machine mainframe box is installed to the drive shaft, can be connected with main epaxial spindle nose through connecting device, be used for driving the main shaft and rotate, rotatory gas circuit subassembly includes quiet ring and rotating ring, is used for when the main shaft is rotatory, carries main epaxial first air flue with the outside gas, the utility model provides a main shaft device, with traditional main shaft components of a whole that can function independently design, main shaft can with main shaft and drive shaft separation during maintenance, dismouting drive wheel and clutch etc. when avoiding the main shaft to maintain improve dismouting efficiency.
Description
Technical Field
The utility model relates to a tire building machine technical field specifically is a spindle unit on tire building machine.
Background
The structure of the main machine box of the traditional tire building machine is shown in fig. 1 and 2: the main shaft is arranged on a support shaft sleeve on the main shaft box, bearing groups distributed in pairs are arranged between the main shaft and the shaft sleeve, the main shaft is hollow, and a mandrel penetrates through the main shaft and is used for driving the forming drum to be separated and combined; a set of clutch or brake A is arranged on the main shaft and the shaft sleeve and used for tightly holding the main shaft to prevent the main shaft from rotating; one end of the main shaft is connected with the forming drum, the other end of the main shaft is provided with a set of driving mechanism capable of realizing clutch, and the mechanism consists of a clutch B, a driving belt wheel, a differential belt wheel A connected with the main shaft, a differential belt wheel B connected with the mandrel and a torque protector connected with the driving belt wheel. The other end of the torque protector is connected with the mandrel and is used for protecting the mandrel from being damaged by over-torque; one end of the clutch B is connected with the main shaft, the other end of the clutch B is connected with the driving belt wheel, the inner hole of the clutch B is arranged on the outer ring of the pair of bearings, and the inner ring of the bearing is arranged on the main shaft. A set of rotary air path structure is arranged between a driving mechanism at the end of the clutch B and the clutch or the brake A, and the rotary air path structure consists of an air path on a main shaft, a thin-wall sleeve structure, a static ring, a bearing and a sealing structure.
Due to the distribution of the main shaft bearing structure, the transmission belt pulley is suspended outside the bearing system, and the tension of the synchronous belt causes slight deflection deformation of the main shaft, so that accelerated abrasion of the thin-wall sleeve, the static ring and the internal seal is caused; when the static ring, the thin-wall sleeve and the seal are replaced, the differential belt wheel B connected with the mandrel, the torque protector connected with the driving belt wheel and the mandrel, the driving belt wheel, the clutch B, the differential belt wheel A connected with the main shaft and the like are all dismounted, and the static ring, the thin-wall sleeve and the seal ring can be dismounted. And the sealing ring is very easy to knock down when the thin-wall sleeve and the moving and static rings are installed. The service life of the rubber sealing ring is generally 3-5 months.
SUMMERY OF THE UTILITY MODEL
The utility model provides a spindle device for tire building machine can reduce the spindle dismouting degree of difficulty, improves and changes sealing ring efficiency, and embodiment is as follows:
a spindle device for a tire building machine, comprising: a main shaft, a driving shaft connected with the main shaft, and a rotary air channel assembly arranged on the main shaft,
the main shaft comprises a shaft body and a shaft head connected with one end of the shaft body, the main shaft is of a hollow shaft structure and is internally provided with a shaft hole penetrating through the main shaft, a plurality of first air passages are arranged in the main shaft and are different from the shaft hole, the first air passages are only arranged in the shaft body and are parallel to the shaft hole and uniformly distributed along the circumferential direction, one side of the shaft body close to the shaft head is provided with a first air hole communicated with the first air passage, a second air hole communicated with the first air passage is arranged on a first flange, and the other end of the shaft body is provided with a first flange,
the rotating air path assembly is sleeved on the shaft head, and an outlet of an air path channel arranged in the rotating air path assembly is connected with a first air hole in the shaft body through an air path hose.
The driving shaft is arranged at the driving end of the main case of the forming machine, can be connected with a shaft head on the main shaft through a connecting device and is used for driving the main shaft to rotate.
The rotary air channel assembly is used for conveying external air to a first air channel on the main shaft when the main shaft rotates,
the rotary gas circuit component comprises a static ring and a dynamic ring, the static ring is arranged outside the dynamic ring, the dynamic ring can flexibly rotate relative to the static ring, and the dynamic ring is arranged on the shaft head and is relatively static to the main shaft.
The movable ring is provided with a shaft hole, the inner diameter of the shaft hole is the same as the outer diameter of the shaft head, the movable ring is further provided with second air passages with the same number as the first air passages, the outer wall of the movable ring is provided with third air holes communicated with the second air passages, and the third air holes are connected with the first air holes in the shaft body through air passage hoses.
The stationary ring includes: the left sleeve, the first sleeve, the second sleeve and the right sleeve are connected to form an outer barrel, the second sleeve is arranged between the two adjacent sleeves, and the left sleeve and the right sleeve are connected with the moving ring through bearings.
A first sealing ring is arranged in the second sleeve and used for sealing between the second sleeve and the static ring.
And second sealing rings are arranged on two sides of the second sleeve and used for sealing between the second sleeve and the sleeves on the two sides.
And the fourth air hole is communicated with the third air hole on the static ring through a closed air passage formed by the second sleeves on the two adjacent sides of the fourth air hole.
The utility model has the advantages of:
1. the main shaft structure of the forming machine is different from other main shaft structures which utilize a hollow main shaft to arrange a hose gas circuit inside and arrange a rotary joint at the shaft end, the gas circuit channel in the scheme is realized by connecting the rotary joint with a first gas circuit on a shaft body, and a shaft hole in the main shaft can be used for arranging another set of transmission system;
2. the air path does not need to enter the air path in the shaft from the inner part of the thin-wall sleeve, the structure is simplified, the service life is prolonged, and the air path comes out from the outer circular surface of the driven ring and is directly connected with the air path inlet on the outer circular surface of the main shaft by using the quick-connection hose. When the rotary valve is replaced, the air pipe is directly pulled down, the rotary valve is detached from the main shaft, a new rotary valve is directly replaced, and an old rotary valve is replaced and sealed for later use. The maintenance time is shortened from 4 hours of 3 people in the past to 0.5 hour of 2 people;
3. with the design of traditional main shaft components of a whole that can function independently, can with main shaft and drive shaft separation when the main shaft is maintained can, dismouting drive wheel and clutch etc. when avoiding the main shaft to maintain improve dismouting efficiency.
Drawings
FIG. 1 is a schematic view of a main cabinet of a conventional tire building machine;
FIG. 2 is a cross-sectional view of a main housing of a conventional tire building machine;
fig. 3 is a front view of the spindle device for a tire building machine according to the present invention;
FIG. 4 is a view showing the structure of the spindle;
FIG. 5 is a principal axis sectional view;
FIG. 6 is a schematic view of a rotary gas circuit assembly;
FIG. 7 is a cross-sectional view of the rotary air channel assembly;
FIG. 8 is a view of a stationary ring structure;
FIG. 9 is a cross-sectional view of a stationary ring;
fig. 10 shows a spindle device according to an embodiment.
Description of reference numerals:
11: conventional spindle, 12: in the traditional rotary air channel device, the air channel device,
21: main shaft, 22: drive shaft, 23: rotary gas path assembly, 24: air passage hose, 25: a connecting flange is connected with the upper end of the connecting flange,
211: shaft body, 212: shaft head, 213: first flange, 214: first air hole, 215 second air hole, 216: first air passage, 217: first shaft hole
231: stationary ring, 232: rotating ring, 232 a: second shaft hole, 232 b: second air passage, 232c third air hole, 233: left sleeve, 234: first sleeve, 234 a: fourth air hole, 235: second sleeve, 236: right sleeve, 235 a: first seal ring, 235 b: second seal ring, 237: and a bearing.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:
it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The spindle device for a tire building machine of the present invention is explained with reference to fig. 3 to 9:
a spindle device for a tire building machine, comprising: a main shaft 21, a driving shaft 22 connected with the main shaft 21, and a rotary air path assembly 23 installed on the main shaft 21,
the main shaft 21 comprises a shaft body 211 and a shaft head 212 connected with one end of the shaft body 211, the main shaft 21 is of a hollow shaft structure, a first shaft hole 217 penetrating through the main shaft 21 is arranged in the main shaft 21, a plurality of first air passages 216 are further arranged in the main shaft 21 and are different from the first shaft hole 217, the first air passages 216 are only arranged in the shaft body 211 and are parallel to the first shaft hole 217 and evenly distributed along the circumferential direction, a first air hole 214 communicated with the first air passage 216 is arranged on one side of the shaft body 211 close to the shaft head 212, a second air hole 215 communicated with the first air passage 216 is arranged on the first flange 213, a first flange 213 is arranged at the other end of the shaft body 211,
the rotating air path assembly 23 is sleeved on the shaft head 212, and an outlet of an air path channel arranged in the rotating air path assembly 23 is connected with the first air hole 214 on the shaft body 211 through the air path hose 24.
The driving shaft 22 is installed at the driving end of the main case of the forming machine and can be connected with a shaft head 212 on the main shaft 21 through a connecting device for driving the main shaft 21 to rotate.
The rotary air path assembly 23 is used to deliver external air to the first air path 216 on the spindle 21 when the spindle rotates,
the rotary air path assembly 23 comprises a stationary ring 231 and a movable ring 232, the stationary ring 231 is installed outside the movable ring 232, the movable ring 232 can flexibly rotate relative to the stationary ring 231, and the movable ring 232 is installed on the shaft head 212 and is relatively stationary with the main shaft 21.
The rotating ring 232 is provided with a second shaft hole 232a, the inner diameter of the second shaft hole 232a is the same as the outer diameter of the shaft head 212, the rotating ring 232 is further provided with second air passages 232b the number of which is the same as that of the first air passages 216, the outer wall of the rotating ring 232 is provided with third air holes 232c communicated with the second air passages 232b, and the third air holes 232c are connected with the first air holes 214 on the shaft body 211 through the air passage hose 24.
The stationary ring 231 includes: the left sleeve 233, the first sleeve 234, the second sleeve 235 and the right sleeve 236 are connected to form an outer cylinder, the second sleeve 235 is arranged between two adjacent sleeves, and the left sleeve 233 and the right sleeve 236 are connected with the movable ring 232 through a bearing 237.
A first sealing ring 235a is provided in the second sleeve 235 for sealing between the second sleeve 235 and the stationary ring 231.
The second sleeve 235 is provided with second sealing rings 235b at both sides thereof for sealing between the second sleeve 235 and the sleeves at both sides.
The first sleeve 234 is provided with a fourth air hole 234a, and the fourth air hole 234a is communicated with the third air hole 232c on the stationary ring 231 through a closed air passage formed by the second sleeves 235 on two adjacent sides.
The implementation is shown in fig. 10:
the driving shaft 22 is installed at the driving end of the main case of the forming machine and connected with the driving wheel and the clutch, the driving shaft 22 is connected with the main shaft 21 through the connecting flange 25, the rotary air channel assembly 23 is installed on the shaft head 212 of the main shaft 21, and the second air channel 232b of the static ring 231 is connected with the first air hole 214 through the air channel hose 24.
During equipment maintenance, the rotating air path assembly 23 can be detached for maintenance only by detaching the connecting flange 25, detaching the main shaft 21 and the rotating air path assembly 23 from the driving shaft 22 and pulling out the air path hose 24 between the rotating air path assembly 23 and the main shaft 21.
Claims (5)
1. A spindle device for a tire building machine, comprising: a main shaft (21), a driving shaft (22) connected with the main shaft (21), and a rotary air channel assembly (23) installed on the main shaft (21),
the main shaft (21) comprises a shaft body (211) and a shaft head (212) connected with one end of the shaft body (211), the main shaft (21) is of a hollow shaft structure, a first shaft hole (217) penetrating through the main shaft (21) is formed in the main shaft (21), a plurality of first air passages (216) are further formed in the main shaft (21) and are different from the first shaft hole (217), the first air passages (216) are only formed in the shaft body (211) and are parallel to the first shaft hole (217) and are uniformly distributed along the circumferential direction, a first air hole (214) is formed in one side, close to the shaft head (212), of the shaft body (211) and communicated with the first air passages (216), a second air hole (215) is formed in a first flange (213) and communicated with the first air passage (216), and a first flange (213) is formed in the other,
the rotary air path component (23) is sleeved on the shaft head (212) and comprises a static ring (231) and a dynamic ring (232), the static ring (231) is arranged outside the dynamic ring (232), the dynamic ring (232) can flexibly rotate relative to the static ring (231), the dynamic ring (232) is arranged on the shaft head (212) and is relatively static with the main shaft (21),
be provided with second shaft hole (232 a) on rotating ring (232), second shaft hole (232 a) internal diameter is the same with spindle nose (212) external diameter, still is provided with second air flue (232 b) the same with first air flue (216) quantity on rotating ring (232), is provided with third gas pocket (232 c) with second air flue (232 b) intercommunication on rotating ring (232) outer wall, and third gas pocket (232 c) are connected with first gas pocket (214) on axis body (211) through gas circuit hose (24).
2. A spindle arrangement for a tyre building machine according to claim 1, characterised in that the drive spindle (22) is connectable to a spindle head (212) on the spindle (21) by connecting means.
3. A spindle device for a tire building machine according to claim 1, wherein said stationary ring (231) comprises: the left sleeve (233), the first sleeve (234), the second sleeve (235) and the right sleeve (236), the left sleeve (233), the first sleeve (234) and the right sleeve (236) are connected to form an outer cylinder, the second sleeve (235) is arranged between the two adjacent sleeves, and the left sleeve (233) and the right sleeve (236) are connected with the movable ring (232) through a bearing (237).
4. A spindle device for a tire building machine according to claim 3, wherein a first seal ring (235 a) is provided in said second sleeve (235), and second seal rings (235 b) are provided on both sides of said second sleeve (235).
5. A spindle device for a tire building machine according to claim 4 wherein the first sleeve (234) is provided with fourth air holes (234 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120496564.4U CN212889057U (en) | 2021-03-09 | 2021-03-09 | Spindle device for tire building machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120496564.4U CN212889057U (en) | 2021-03-09 | 2021-03-09 | Spindle device for tire building machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212889057U true CN212889057U (en) | 2021-04-06 |
Family
ID=75261726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120496564.4U Active CN212889057U (en) | 2021-03-09 | 2021-03-09 | Spindle device for tire building machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212889057U (en) |
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2021
- 2021-03-09 CN CN202120496564.4U patent/CN212889057U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220606 Address after: 257300 residence of dadoutou town government, Guangrao County, Dongying City, Shandong Province Patentee after: Shandong havest supply chain Co.,Ltd. Address before: 257045 123-104, 628 Beier Road, Dongying District, Dongying City, Shandong Province Patentee before: DONGYING WEIDA MACHINERY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |