CN211689407U - Cloth rolling tension control device of glass fiber weaving machine - Google Patents
Cloth rolling tension control device of glass fiber weaving machine Download PDFInfo
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- CN211689407U CN211689407U CN201921974858.2U CN201921974858U CN211689407U CN 211689407 U CN211689407 U CN 211689407U CN 201921974858 U CN201921974858 U CN 201921974858U CN 211689407 U CN211689407 U CN 211689407U
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Abstract
The utility model discloses a cloth rolling tension control device of a glass fiber weaving machine, which comprises a wallboard and a winding roller, wherein an upper cloth pressing roller is arranged above the winding roller, the upper cloth pressing roller is internally connected with a first cloth pressing roller mandrel through a first bearing, the end part of the first cloth pressing roller mandrel is connected with a first cloth pressing roller arm through a second bearing, the end part of the first cloth pressing roller arm is connected with a first bearing seat through a third bearing, and the first bearing seat is fixedly connected with a press roller fixing plate connected to the inner side of the wallboard; a tension cloth pressing roller is arranged on the right side of the take-up roller; a first cloth pressing roller mandrel is sleeved and connected with a first tension support arm; the end part of the tension cloth pressing roller is connected with one end of a third tension support arm through a first tension support arm and a second tension support arm; the other end of the third tension support arm is connected with a force sensor assembly through a first force measuring connecting rod, and the force sensor assembly is connected with a sensor support connected to the inner side of the wallboard in a rotating mode. The control device has a simple structure, can perform good tensioning and positioning on the rolled cloth, and can perform good monitoring on the cloth tensioning progress.
Description
Technical Field
The utility model relates to an air jet loom field, concretely relates to fine loom batching tension control device of glass.
Background
The existing air-jet glass fiber weaving machine is mainly composed of an upper cloth pressing roller, a lower cloth pressing roller and a tension roller structure in the coiling process, and a tension sensor is mainly of a spring supporting structure. Because the tension roll is on the upper portion of cloth pressing roller down, the cloth that comes from the tension roll can pass through cloth pressing roller excircle lateral surface down again, and the tension roll is when tension changes, and cloth can produce the slip with cloth pressing roller excircle lateral surface down, and this structure is less to the great fabric influence of ordinary latitude, nevertheless to thin fabric, can take place cloth cover warp direction displacement, and produce the secondary cloth.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fine loom batching tension control device of glass, this controlling means not only the structure is simpler, has saved the space, can carry out good tensioning location to the batching, can carry out good control to the process of opening of batching moreover.
The utility model discloses a realize above-mentioned purpose, the technical solution who adopts is:
a cloth rolling tension control device of a glass fiber weaving machine comprises wall plates and a coiling roller arranged between the two wall plates, wherein an upper cloth pressing roller is arranged above the coiling roller, a first cloth pressing roller mandrel is connected in the upper cloth pressing roller through a first bearing, the end part of the first cloth pressing roller mandrel is connected with a first pressing roller arm through a second bearing, the end part of the first pressing roller arm is connected with a first bearing seat through a third bearing, and the first bearing seat is fixedly connected with a pressing roller fixing plate connected to the inner side of the wall plate through a bolt;
a tension cloth pressing roller is arranged on the right side of the take-up roller, the end part of the tension cloth pressing roller is connected with a first tension support arm through a fourth bearing, and the inner side of the first tension support arm is connected with a second tension support arm through a first tension shaft pin assembly; a first cloth pressing roller mandrel between the first bearing and the second bearing is sleeved and connected with a third tension support arm;
one end of the third tension support arm is connected with the second tension support arm, the other end of the third tension support arm is connected with a first force measuring connecting rod through a fifth bearing, the lower end of the first force measuring connecting rod is connected with a force sensor assembly, and the force sensor assembly is rotatably connected with a sensor support connected to the inner side of the wallboard through a sixth bearing.
Preferably, the end part of the take-up roll is connected with the wall plate through a take-up roll bearing; the take-up roll, the upper cloth pressing roller and the tension cloth pressing roller are all cylindrical, the outer diameter value of the take-up roll is larger than that of the upper cloth pressing roller, and the outer diameter value of the upper cloth pressing roller is larger than that of the tension cloth pressing roller.
Preferably, the first cloth pressing roller mandrel is in a round rod shape, and a limit key is connected to the outer wall of the first cloth pressing roller mandrel between the first bearing and the second bearing;
the third tension support arm is in a square plate shape, a first support arm hole is formed in the upper part of the third tension support arm, and a first key groove is formed in the third tension support arm in the first support arm hole; the end part of the first cloth pressing roller mandrel can pass through the first support arm hole and is connected with the third tension support arm in a positioning mode through the limiting key, and the limiting key is matched with the profile of the first key groove.
Preferably, the first tension support arm comprises a first force arm lower bearing sleeve, and the upper end of the first force arm lower bearing sleeve is connected with a first force arm upper bearing sleeve through a first force arm connecting plate; the fourth bearing is connected in the first force arm lower bearing sleeve, and one end of the first tension shaft pin assembly is connected in the first force arm upper bearing sleeve.
Preferably, the second tension arm comprises a second arm connecting plate, and a second arm plate hole for connecting the other end of the first tension shaft pin assembly is formed in the lower end part of the second arm connecting plate;
a second force arm clamping groove is formed in the lower end face of the upper end portion of the second force arm connecting plate, and a second force arm threaded hole is formed in the upper portion of the second force arm connecting plate; the end part of the third tension support arm is clamped in the second force arm clamping groove and is fixedly connected with the second force arm connecting plate through a screw in the second force arm threaded hole.
Preferably, a third arm plate hole is formed in the lower part of the third tension support arm, a third arm upper bearing sleeve is connected to the third arm plate hole, and a fifth bearing is connected to the third arm upper bearing sleeve; the first force measuring connecting rod is located at the left side end of the winding roller, and the upper end of the first force measuring connecting rod is connected with the fifth bearing.
Preferably, the first force measuring link comprises a first upper extension bar, a first middle positioning tube and a first lower extension bar; the lower part of the first upper extension rod is connected in the upper part of the first middle positioning pipe and is connected with the first middle positioning pipe through a first positioning bolt; the upper portion of the first lower extension rod is located in the lower portion of the first middle positioning pipe and connected with the first middle positioning pipe through a second positioning bolt, and the lower portion of the first lower extension rod is connected with the force sensor assembly.
Preferably, the force sensor assembly comprises a tension sensor, and the lower end of the tension sensor is connected with a sensor positioning rod; the sensor support is located the below of batch roller, and the sensor support includes first bedplate and connects the first bedplate lug on first bedplate, and the lower tip of sensor locating lever passes through the sixth bearing and is connected with first bedplate lug, and first bedplate passes through.
Preferably, a compression roller arm spring is connected to the first compression roller arm and located at the left end of the first compression roller arm, one end of the compression roller arm spring is connected with the wall plate, and the other end of the compression roller arm spring is hung on the compression roller arm spring.
The utility model has the advantages that:
in the cloth rolling tension control device of the glass fiber weaving machine, the second tension support arm, the third tension support arm and the first force measuring connecting rod are connected, so that the connection structure of the whole device is simpler and more compact, the space in the weaving machine is saved, and the detection effect of the sensor is improved. The third tension support arm drives the first cloth pressing roller mandrel to rotate, and the first cloth pressing roller mandrel is rotationally positioned through the first bearing and the second bearing, so that the normal work of the upper cloth pressing roller cannot be influenced after the first cloth pressing roller mandrel rotates. The woven cloth can be well tensioned and positioned by the upper cloth pressing roller, the coiling roller and the tension cloth pressing roller; before the woven cloth is reeled, the tension cloth pressing roller plays a good cloth pressing role on the woven cloth. Among this batching tension control device, the atress to tension compress roller has carried out accurate control to the opening progress of weaving in the manufacturing process can convenient regulation, thereby the opening progress of making the weaving of book on a batching section of thick bamboo better.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a cloth rolling tension control device of a glass fiber weaving machine.
FIG. 2 is a schematic side view of the overall structure of a cloth rolling tension control device of a glass fiber weaving machine.
Fig. 3 is a schematic diagram of a partial structure isometric connection structure of a cloth rolling tension control device of a glass fiber weaving machine.
FIG. 4 is a schematic side view of a partial structure of a cloth rolling tension control device of a glass fiber weaving machine.
Detailed Description
The utility model provides a fine loom batching tension control device of glass, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention will be described in detail with reference to the accompanying drawings:
example 1
Referring to fig. 1 to 4, a cloth rolling tension control device of a glass fiber weaving machine comprises wall plates 1 and a winding roller 2 arranged between the two wall plates 1. An upper cloth pressing roller 3 is arranged above the winding roller 2, a first cloth pressing roller core shaft 31 is connected to the inner portion of the upper cloth pressing roller 3 through a first bearing, the end portion of the first cloth pressing roller core shaft 31 is connected with a first pressing roller arm 4 through a second bearing 32, the end portion of the first pressing roller arm 4 is connected with a first bearing seat 42 through a third bearing 41, and the first bearing seat 42 is fixedly connected with a pressing roller fixing plate 11 connected to the inner side of the wallboard 1 through a bolt.
The right side of the winding roller 2 is provided with a tension cloth pressing roller 5, the end of the tension cloth pressing roller 5 is connected with a first tension arm 52 through a fourth bearing 51, and the inner side of the first tension arm 52 is connected with a second tension arm 54 through a first tension axis pin assembly 53. A third tension arm 33 is sleeved on the first cloth pressing roller mandrel 31 between the first bearing and the second bearing 32.
One end of the third tension arm 33 is connected to the second tension arm 54, the other end of the third tension arm 33 is connected to the first load link 6 through the fifth bearing 34, the lower end of the first load link 6 is connected to the force sensor unit 7, and the force sensor unit 7 is rotatably connected to the sensor support 12 connected to the inner side of the wall panel 1 through the sixth bearing 71.
The end part of the winding roller 2 is connected with the wallboard 1 through a winding roller bearing; the coiling roller 2, the upper cloth pressing roller 3 and the tension cloth pressing roller 5 are all cylindrical, the outer diameter value of the coiling roller 2 is larger than that of the upper cloth pressing roller 3, and the outer diameter value of the upper cloth pressing roller 3 is larger than that of the tension cloth pressing roller 5.
The first cloth pressing roller core shaft 31 is in a round rod shape, and a limit key 311 is connected to the outer wall of the first cloth pressing roller core shaft 31 between the first bearing and the second bearing 32. The third tension arm 33 is in a square plate shape, a first arm hole 331 is formed in an upper portion of the third tension arm 33, and a first key groove 332 is formed in the third tension arm 33 in the first arm hole 331.
The end of the first feed roller spindle 31 can pass through the first arm hole 331 and be connected to the third tension arm 33 by a limit key 311, the limit key 311 being in form-fit with the first key groove 332.
The first tension arm 52 comprises a first force arm lower bearing sleeve 521, and the upper end of the first force arm lower bearing sleeve 521 is connected with a first force arm upper bearing sleeve 523 through a first force arm connecting plate 522; the fourth bearing 51 is attached within the first lower force arm bearing housing 521 and one end of the first tension axis pin assembly 53 is attached within the first upper force arm bearing housing 521.
The second tension arm 54 includes a second arm connecting plate 541, and a second arm plate hole 542 formed in a lower end portion of the second arm connecting plate 541 for connecting the other end of the first tension shaft pin assembly 53.
A second force arm clamping groove 543 is formed in the lower end face of the upper end portion of the second force arm connecting plate 541, and a second force arm threaded hole is formed in the upper portion of the second force arm connecting plate 541; when the third tension arm 33 is connected to the second tension arm 54, the end of the third tension arm 33 is clamped in the second tension arm clamp groove 543, and the third tension arm 33 is fixedly connected to the second tension arm connection plate 541 by a screw in the second tension arm threaded hole.
A third arm plate hole is formed in the lower part of the third tension support arm 33, a third arm upper bearing sleeve 333 is connected to the third arm plate hole, and the fifth bearing 34 is connected to the third arm upper bearing sleeve 333; the first force measuring link 6 is located at the left end of the take-up roll 2, and the upper end of the first force measuring link 6 is connected with the fifth bearing 34.
The first load link 6 comprises a first upper extension bar 61, a first middle positioning tube 62 and a first lower extension bar 63; the lower part of the first upper extension bar 61 is connected in the upper part of the first middle positioning pipe 62 and is connected with the first middle positioning pipe 62 through a first positioning bolt; the upper portion of the first lower extension bar 63 is located in the lower portion of the first middle positioning pipe 62 and is connected with the first middle positioning pipe 62 by a second positioning bolt, and the lower portion of the first lower extension bar 63 is connected with the force sensor assembly 7.
The force sensor assembly 7 comprises a tension sensor 72, and the lower end of the tension sensor 72 is connected with a sensor positioning rod 73; the sensor support 12 is located below the winding roller 2, the sensor support 12 comprises a first support plate 121 and a first support plate protruding block 122 connected to the first support plate 121, the lower end of the sensor positioning rod 73 is connected with the first support plate protruding block 122 through a sixth bearing 71, and the first support plate is connected with the wall plate 1 through a screw.
The first compression roller arm 4 is connected with a compression roller arm spring, the compression roller arm spring is positioned at the left end of the first compression roller arm 4, one end of the compression roller arm spring is connected with the wallboard 1, and the other end of the compression roller arm spring is hung on the compression roller arm spring. The effect of compression roller arm spring is to give the decurrent pulling force of first compression roller arm 4 to fix a position last compress roller 3 through first compression roller arm 4, the pulling force of compression roller arm spring offsets with last compress roller 3, the gravity of first compress roller dabber 31, thereby has realized the location of last compress roller 3, last compress roller 3 among the prior art generally all fixes a position through the spring. The lower end of the winding roller 2 is provided with a cloth winding drum 22, the left upper end of the upper cloth pressing roller 3 is provided with a cloth guide roller 23, and the left upper end of the cloth guide roller 23 is provided with a profiled reed assembly 24.
Example 2
When the cloth rolling tension control device of the glass fiber weaving machine works, woven cloth 8 passes through the profiled reed assembly 24 and then passes through the cloth guide roller 23, the woven cloth passes through the right end of the upper cloth pressing roller 3, and the upper cloth pressing roller 3 is used for preliminary supporting and limiting the woven cloth 8. The woven fabric 8 passes through the left end of the winding roller 2 leftwards and is wound on the winding roller 2, the woven fabric 8 passes through the left side of the tension cloth pressing roller 5 and is wound on the tension cloth pressing roller 5, and the woven fabric 8 passes through the right side of the tension cloth pressing roller 5, passes through the left side of the cloth winding barrel 22 and is wound on the cloth winding barrel 22.
Since the degree of the sheet-advancing of the woven fabric 8 during the processing is not constant, the degree of the sheet-advancing of the woven fabric 8 is sometimes large or small. When the tension of the woven fabric 8 is large, namely the woven fabric 8 is tight, the woven fabric 8 presses down the tension cloth pressing roller 5, and the first force measuring connecting rod 6 is lifted after the tension cloth pressing roller 5 descends; when the woven fabric 8 is looser, the first force measuring connecting rod 6 has a certain self weight, the first force measuring connecting rod 6 plays a lifting role for the tension cloth pressing roller 5, and the tension cloth pressing roller 5 can rise.
Both ends of the tension cloth pressing roller 5 are connected with a first tension arm 52 through bearings, and the first tension arm 52 is connected with a positioned tension sensor 72 through a second tension arm 54, a third tension arm 33 and a first force measuring connecting rod 6. After the position of the tension cloth pressing roller 5 is changed, the tension sensor 72 can measure the force applied to the tension cloth pressing roller 5 through the transmission of the second tension arm 54, the third tension arm 33 and the first force measuring connecting rod 6, and further can obtain the change of the tension. The tension sensor 72 transmits the force variation to the electric control system of the loom, which controls the tightness of the fabric, thereby controlling the tightness of the fabric 8 before entering the cloth roller 22, and ensuring that the fabric is wound on the cloth roller 22 at a certain tightness.
Example 3
In the cloth rolling tension control device of the glass fiber weaving machine, the second tension support arm 54, the third tension support arm 33 and the first force measuring connecting rod 6 are connected, so that the connection structure of the whole device is simpler and more compact, the space in the weaving machine is saved, and the detection effect of the sensor is improved. The third tension arm 33 drives the first cloth pressing roller core shaft 31 to rotate, and the first cloth pressing roller core shaft 31 is rotatably positioned through the first bearing and the second bearing 32, so that the normal work of the upper cloth pressing roller 3 cannot be influenced after the first cloth pressing roller core shaft 31 rotates. The woven cloth can be well tensioned and positioned by the upper cloth pressing roller 3, the coiling roller 2 and the tension cloth pressing roller 5 in a positioning mode; before the woven fabric is wound, the tension cloth pressing roller 5 plays a good cloth pressing role on the woven fabric. In this batching tension control device, the atress to tension compress roller 5 has carried out accurate control to the degree of progress that can convenient regulation is weaved in the manufacturing process, thereby makes the degree of progress of opening of weaving of rolling up on cloth cylinder 22 better.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (9)
1. A cloth rolling tension control device of a glass fiber weaving machine comprises wall plates and a coiling roller arranged between the two wall plates, and is characterized in that an upper cloth pressing roller is arranged above the coiling roller, a first cloth pressing roller mandrel is connected in the upper cloth pressing roller through a first bearing, the end part of the first cloth pressing roller mandrel is connected with a first pressing roller arm through a second bearing, the end part of the first pressing roller arm is connected with a first bearing seat through a third bearing, and the first bearing seat is fixedly connected with a pressing roller fixing plate connected to the inner side of the wall plate through a bolt;
a tension cloth pressing roller is arranged on the right side of the take-up roller, the end part of the tension cloth pressing roller is connected with a first tension support arm through a fourth bearing, and the inner side of the first tension support arm is connected with a second tension support arm through a first tension shaft pin assembly; a first cloth pressing roller mandrel between the first bearing and the second bearing is sleeved and connected with a third tension support arm;
one end of the third tension support arm is connected with the second tension support arm, the other end of the third tension support arm is connected with a first force measuring connecting rod through a fifth bearing, the lower end of the first force measuring connecting rod is connected with a force sensor assembly, and the force sensor assembly is rotatably connected with a sensor support connected to the inner side of the wallboard through a sixth bearing.
2. The cloth rolling tension control device of a glass fiber weaving machine as claimed in claim 1, wherein the end of the winding roller is connected with the wall plate through a winding roller bearing; the take-up roll, the upper cloth pressing roller and the tension cloth pressing roller are all cylindrical, the outer diameter value of the take-up roll is larger than that of the upper cloth pressing roller, and the outer diameter value of the upper cloth pressing roller is larger than that of the tension cloth pressing roller.
3. The cloth rolling tension control device of the glass fiber weaving machine as claimed in claim 1, wherein the first cloth pressing roller mandrel is in a round bar shape, and a limit key is connected to the outer wall of the first cloth pressing roller mandrel between the first bearing and the second bearing;
the third tension support arm is in a square plate shape, a first support arm hole is formed in the upper part of the third tension support arm, and a first key groove is formed in the third tension support arm in the first support arm hole; the end part of the first cloth pressing roller mandrel can pass through the first support arm hole and is connected with the third tension support arm in a positioning mode through the limiting key, and the limiting key is matched with the profile of the first key groove.
4. The cloth rolling tension control device of a glass fiber weaving machine as claimed in claim 1, characterized in that the first tension arm comprises a first force arm lower bearing sleeve, the upper end of the first force arm lower bearing sleeve is connected with a first force arm upper bearing sleeve through a first force arm connecting plate; the fourth bearing is connected in the first force arm lower bearing sleeve, and one end of the first tension shaft pin assembly is connected in the first force arm upper bearing sleeve.
5. The cloth rolling tension control device of a glass fiber weaving machine as claimed in claim 1, wherein the second tension arm comprises a second arm connecting plate, a second arm plate hole for connecting the other end of the first tension shaft pin assembly is formed in the lower end part of the second arm connecting plate;
a second force arm clamping groove is formed in the lower end face of the upper end portion of the second force arm connecting plate, and a second force arm threaded hole is formed in the upper portion of the second force arm connecting plate; the end part of the third tension support arm is clamped in the second force arm clamping groove and is fixedly connected with the second force arm connecting plate through a screw in the second force arm threaded hole.
6. The cloth rolling tension control device of the glass fiber weaving machine according to claim 3, wherein a third arm plate hole is formed in the lower part of the third tension support arm, a third arm upper bearing sleeve is connected to the third arm plate hole, and a fifth bearing is connected to the third arm upper bearing sleeve; the first force measuring connecting rod is located at the left side end of the winding roller, and the upper end of the first force measuring connecting rod is connected with the fifth bearing.
7. The cloth rolling tension control device of a glass fiber weaving machine as claimed in claim 1, wherein the first force measuring connecting rod comprises a first upper extension rod, a first middle positioning tube and a first lower extension rod; the lower part of the first upper extension rod is connected in the upper part of the first middle positioning pipe and is connected with the first middle positioning pipe through a first positioning bolt; the upper portion of the first lower extension rod is located in the lower portion of the first middle positioning pipe and connected with the first middle positioning pipe through a second positioning bolt, and the lower portion of the first lower extension rod is connected with the force sensor assembly.
8. The cloth rolling tension control device of the glass fiber weaving machine as claimed in claim 1, characterized in that the force sensor assembly comprises a tension sensor, and a sensor positioning rod is connected with the lower end of the tension sensor; the sensor support is located the below of batch roller, and the sensor support includes first bedplate and connects the first bedplate lug on first bedplate, and the lower tip of sensor locating lever passes through the sixth bearing and is connected with first bedplate lug, and first bedplate passes through.
9. The cloth rolling tension control device of a glass fiber weaving machine as claimed in claim 1, wherein the first press roller arm is connected with a press roller arm spring, the press roller arm spring is arranged at the left end of the first press roller arm, one end of the press roller arm spring is connected with the wall plate, and the other end of the press roller arm spring is hung on the press roller arm spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974858.2U CN211689407U (en) | 2019-11-15 | 2019-11-15 | Cloth rolling tension control device of glass fiber weaving machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974858.2U CN211689407U (en) | 2019-11-15 | 2019-11-15 | Cloth rolling tension control device of glass fiber weaving machine |
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| CN211689407U true CN211689407U (en) | 2020-10-16 |
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| CN201921974858.2U Active CN211689407U (en) | 2019-11-15 | 2019-11-15 | Cloth rolling tension control device of glass fiber weaving machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777469A (en) * | 2019-11-15 | 2020-02-11 | 青岛天一红旗特种织机科技有限公司 | Cloth rolling tension control device of glass fiber weaving machine |
| CN110777469B (en) * | 2019-11-15 | 2024-07-12 | 青岛天一红旗特种织机科技有限公司 | Cloth winding tension control device of glass fiber loom |
-
2019
- 2019-11-15 CN CN201921974858.2U patent/CN211689407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777469A (en) * | 2019-11-15 | 2020-02-11 | 青岛天一红旗特种织机科技有限公司 | Cloth rolling tension control device of glass fiber weaving machine |
| CN110777469B (en) * | 2019-11-15 | 2024-07-12 | 青岛天一红旗特种织机科技有限公司 | Cloth winding tension control device of glass fiber loom |
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