CN213319896U

CN213319896U - Supplementary frock of changing gyro wheel

Info

Publication number: CN213319896U
Application number: CN202022032252.6U
Authority: CN
Inventors: 陈志淡; 陈卫国; 邹虎生; 顾贤初; 谢炳国; 陈崇斌; 卢尧尧; 叶荣成; 梁海立
Original assignee: Yanfeng Group Co Ltd
Current assignee: Yanfeng Group Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-01
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a supplementary frock of changing gyro wheel belongs to plastics circular loom field, the slow and troublesome problem of dabber speed is taken out when having solved the independent change gyro wheel, the technical scheme who solves this problem is mainly including the first instrument that is used for extracting the dabber, first instrument includes the body, a connector for connecting the dabber top, form the weight of impact force and bear the atress portion of weight impact force, the bottom at the body is fixed to the connector, weight sliding connection is on the body, the top at the body is fixed and is located the weight top to the atress portion. The utility model discloses mainly used extracts the dabber easily conveniently, improves the efficiency of changing the gyro wheel alone.

Description

Supplementary frock of changing gyro wheel

Technical Field

The utility model relates to a maintenance of plastics circular loom, especially a supplementary frock of changing the gyro wheel.

Background

An existing plastic circular weaving machine is provided, wherein a door ring assembly is shown in fig. 1, and comprises an upper door ring 1, a lower door ring 2 and rollers 3 connected between the upper door ring 1 and the lower door ring 2 through

mandrels

4, 32 mandrels 4 (the mandrels are optical axes) are generally and uniformly distributed on one door ring assembly, 1 to 3 rollers 3 are arranged on each

mandrel

4, 1 roller 3 is arranged in fig. 1, the upper door ring 1 and the lower door ring 2 are supported by the rollers 3 to keep the distance between the upper door ring 1 and the lower door ring 2, and therefore after nuts 5 at the top end and the bottom end of the mandrels 4 are screwed, the rollers 3 are clamped tightly by the upper door ring 1 and the lower door ring 2. Since the rubber 32 on the periphery of the roller 3 is worn and needs to be replaced regularly, the nuts 5 on the top ends of all the mandrels 4 are all dismounted, the upper door ring 1 is lifted, and then the roller 3 is replaced uniformly, but when the bearings 31 in the individual rollers 3 are damaged and the bearings 31 need to be replaced, all the mandrels 4 and the upper door ring 1 need to be detached, which is time-consuming and labor-consuming, for example, as mentioned in the background of the specification of CN 201611092335.6. Therefore, the invention designs that the distance between the upper door ring and the lower door ring is kept by utilizing the supporting piece, and the upper door ring and the lower door ring are supported and kept still in the process of replacing the roller, so that the supporting problem is not needed to be considered when the roller is designed, the roller cannot be clamped by the upper door ring and the lower door ring, and when the roller is replaced, only the mandrel needs to be drawn out, and the roller naturally falls off. However, in order to rapidly draw out the mandrel, a lever principle is generally adopted, one end of a lever is abutted to the lower portion of a nut at the top end of the mandrel, then the lever is rotated to arch the mandrel until the mandrel is completely drawn out, and due to the fact that space on a plastic circular weaving machine is limited, the lever cannot be too long, and the fulcrum of the lever needs to be changed along with the length of the drawn mandrel, and operation is troublesome. Therefore, how to simply and rapidly extract the mandrel is a problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach the purpose just provide a supplementary frock of changing the gyro wheel, extract the dabber simply conveniently, improve the efficiency of changing the gyro wheel alone.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a supplementary frock of changing gyro wheel, includes the first instrument that is used for extracting the dabber, and first instrument includes the body, is used for connecting the connector on dabber top, forms the weight of impact force and bears the atress portion of weight impact force, and the bottom at the body is fixed to the connector, and weight sliding connection is on the body, and the top at the body is fixed and is located the weight top to the atress portion.

Furthermore, the connector is provided with a connecting plate which extends transversely, the connecting plate is provided with a clamping groove through which the mandrel can pass, and the parts of the connecting plate, which are positioned at two sides of the clamping groove, are abutted to the lower part of the nut at the top end of the mandrel to drive the mandrel to move upwards.

Furthermore, the connector is provided with a threaded hole matched with the external thread on the top end of the mandrel.

Furthermore, the connector and the body are integrally formed, the stress part is detachably connected with the body, and the heavy hammer is arranged on the body from the top end of the body; or the connector is detachably connected with the body, the stress part and the body are integrally formed, and the heavy hammer is arranged on the body from the bottom end of the body; or the connector and the stress part are detachably connected with the body.

Further, the body is a cylindrical rod; or the body comprises a straight line section for the heavy hammer to slide and a bent section which is bent relative to the straight line section to form an avoiding structure.

Further, the frock is still including the second instrument that is used for enlarging door ring and lower door ring interval, the second instrument includes the kicking block, kicking block and the adjusting screw who is connected at last kicking block, between the kicking block down, adjusting screw's upper end is equipped with the last screw thread of being connected with last kicking block, the lower extreme is equipped with the lower screw thread of being connected with lower kicking block, the screw thread of going up screw thread and lower screw thread revolves to opposite, go up the kicking block and support the lower surface at last door ring, the kicking block supports the upper surface at lower door ring down, rotatory adjusting screw makes go up the kicking block, the kicking block is kept away from each other down and is let upper and lower door ring interval grow or make go up the kicking block, the kicking block is close to each other and lets upper and lower.

Furthermore, an upper positioning boss abutting against the side surface of the upper door ring is arranged on the upper jacking block; and/or a lower positioning boss which is propped against the side surface of the lower door ring is arranged on the lower top block.

Furthermore, a square head or a hexagonal head convenient for force application of a wrench is arranged on the adjusting screw rod, and the square head or the hexagonal head is positioned between the upper thread and the lower thread.

After the technical scheme is adopted, the utility model has the advantages of as follows: because the whole vertical distribution of first instrument, only need enough high space can, and just in time there is sufficient high space above the door circle subassembly of plastics circular weaving machine, it can be more convenient that the workman is not hindered when operating first instrument, and first instrument utilizes the impact force that the weight formed to drive dabber intermittent type nature rebound, the speed that the dabber was extracted is decided to the frequency that the workman drove the weight up-and-down motion, the degree of freedom of operation is higher, the speed that skilled workman operated can be very fast, the dabber just can be extracted in less than 2 seconds basically, and first instrument keeps synchronous motion with the dabber together, keep the vertical state of dabber, can not influence the used repeatedly of dabber.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a partial schematic view of a prior art gate ring assembly for a plastic circular knitting machine;

fig. 2 is a schematic view of a first tool connected to a mandrel according to a first embodiment of the present invention;

fig. 3 is a top view of a first tool according to a first embodiment of the present invention;

FIG. 4 is a schematic view of a first tool and a first tool relative to a door jamb assembly according to a first embodiment of the present invention;

FIG. 5 is a cross-sectional view of a second tool according to a first embodiment of the present invention (with upper and lower positioning bosses);

fig. 6 is a schematic view of the connection of the first tool to the mandrel according to the second embodiment of the present invention;

fig. 7 is a schematic view illustrating a first tool and a mandrel according to a third embodiment of the present invention.

Detailed Description

The first embodiment is as follows:

in order to reduce the nuts to be removed, avoid the troublesome situation that all the nuts are removed to lift the upper door ring mentioned in the background art, and improve the efficiency of independently replacing the rollers, the replacing process generally comprises the following steps:

s1, removing the nut at the bottom end of the mandrel 4 of the roller 3 to be replaced;

s2, driving the mandrel 4 of the roller 3 to be replaced to move upwards, and finally pulling out the mandrel 4;

s3, loosening the nuts 5 at least one end of the mandrels of at least two rollers at the left and right sides of the roller 3 to be replaced;

s4, increasing the local distance between the upper door ring 1 and the lower door ring 2;

s5, taking down the roller to be replaced, putting in a new replacement roller, and aligning the center hole of the new replacement roller with the mandrel hole of the upper door ring and the mandrel hole of the lower door ring;

s6, the mandrel 4 passes through the mandrel hole of the upper door ring, the mandrel hole of the newly replaced roller and the mandrel hole of the lower door ring;

and S7, resetting the distance between the upper door ring and the lower door ring, and screwing the nuts 5 at the top end and the bottom end of the mandrel 4 to finish replacement.

In the whole disassembly process, after nuts of two mandrels near the roller to be replaced are loosened at least, the limitation of an upper door ring and a lower door ring near the roller to be replaced can be eliminated, then the elastic deformation capacity of the upper door ring and the lower door ring is utilized, the local distance between the upper door ring and the lower door ring is increased, as long as the local distance between the upper door ring and the lower door ring is increased by more than 0.05mm, the roller is not clamped by the upper door ring and the lower door ring any more, so that the roller can be conveniently taken down from the position between the upper door ring and the lower door ring after the mandrel is pulled out, the roller can also be conveniently placed between the upper door ring and the lower door ring, and a mandrel hole of the upper door ring, a central hole of a newly replaced roller and a mandrel hole of the lower door ring can be conveniently aligned, therefore, the nuts of all mandrels do not need to be disassembled to lift the upper door ring, and the efficiency of replacing the roller alone can be effectively improved.

Since both S1 and S3 are nut screwing operations, the order of both is not mandatory and does not affect each other, so S3 can be operated before S1 or simultaneously with S1 or after S1 and before S2 or simultaneously with S2, for example, when operated by a single person, S3 can be operated before S1, or, after S1 and before S2, if operated by two persons, S3 can be operated simultaneously with S1, or also simultaneously with S2.

In order to improve the efficiency of extracting the dabber, the utility model provides a supplementary frock of changing gyro wheel, can use in S2, it is specifically as shown in fig. 2, first instrument includes body 8 of vertical extension, connector 81 of being connected with the top of dabber 4, form the weight 82 of impact force and bear the atress portion 83 of weight 82 impact force, connector 81 is fixed in the bottom of body 8, weight 82 sliding connection is on body 8, atress portion 83 is fixed at the top of body 8 and is located the weight 82 top, be connected connector 81 and the top of dabber 4, it makes body 8 intermittent type drive dabber 4 upward movement to drive weight 82 up-and-down motion and impact atress portion 83, until extracting dabber 4. Because the whole vertical distribution of first instrument, only need enough high space can, and just in time there is sufficient high space above the door circle subassembly of plastics circular weaving machine, it can be more convenient that the workman is not hindered when operating first instrument, and first instrument utilizes the impact force that the weight formed to drive dabber intermittent type nature rebound, the speed that the dabber was extracted is decided to the frequency that the workman drove the weight up-and-down motion, the degree of freedom of operation is higher, the speed that skilled workman operated can be very fast, the dabber just can be extracted in less than 2 seconds basically, and first instrument keeps synchronous motion with the dabber together, keep the vertical state of dabber, can not influence the used repeatedly of dabber.

In this embodiment, in order to facilitate the connection of the connector 81 and the top end of the mandrel 4, a connecting plate 811 extending transversely may be disposed on the connector 81, and when viewing fig. 3, a slot 812 allowing the mandrel 4 to pass through is disposed on the connecting plate 811, and the portion of the connecting plate 811 located on both sides of the slot 812 abuts against the lower portion of the nut on the top end of the mandrel 4 to drive the mandrel 4 to move upward. The impact force generated by the weight 82 can be transferred by directly inserting the connecting plate 811 below the nut, which is convenient. In order to insert the connecting plate 811 under the nut, the nut 5 may be loosened to some extent so that a gap into which the connecting plate 811 is inserted is formed between the nut 5 and the upper door ring 1. In order to further reduce the operation amount, for example, the nut 5 at the top end of the core shaft 4 does not need to be screwed, in S2, the bottom end of the core shaft 4 is abutted to drive the core shaft 4 to move upward for a certain distance, so that a gap for inserting the connector 81 is formed between the nut 5 at the top end of the core shaft 4 and the upper door ring 1, and after the connector 81 is inserted into the gap, the weight 82 is driven to move up and down.

In this embodiment, the connector 81 and the body 8 are integrally formed, the force-receiving portion 83 is detachably connected to the body 8, the weight 82 is mounted on the body 8 from the top end of the body 8, and the force-receiving portion 83 can be screwed to the body 8 by the nut 5, or can be plugged to the body 8 by a pin. In addition, the connection head 81 can be detachably connected to the body 8, the force-receiving portion 83 is integrally formed with the body 8, and the weight 82 is mounted on the body 8 from the bottom end of the body 8. Furthermore, the connection head 81 and the force-receiving portion 83 can be designed to be detachably connected to the body 8, and if the connection head 81 or the force-receiving portion 83 is damaged, the replacement is convenient.

In view of low cost and convenient movement of the weight 82, the body 8 can be a cylindrical rod, for example, a cylindrical steel bar can be straightened, which is a common material, and the weight 82 moves freely, so that a clearance fit is formed between the weight and the body 8, and the wear between the periphery of the cylindrical rod and the weight 82 is small.

In order to increase the distance between the upper door ring 1 and the lower door ring 2, the distance between the upper door ring 1 and the lower door ring 2 can be increased by using a second tool, as shown in fig. 4, the second tool comprises an upper top block 91, a lower top block 92 and an adjusting screw 93 connected between the upper top block 91 and the lower top block 92, the upper end of the adjusting screw 93 is provided with an upper thread 931 connected with the upper top block 91, the lower end of the adjusting screw is provided with a lower thread 932 connected with the lower top block 92, the thread directions of the upper thread 931 and the lower thread 932 are opposite, the upper top block 91 abuts against the lower surface of the upper door ring 1, the lower top block 92 abuts against the upper surface of the lower door ring 2, and the adjusting screw 93 is rotated to make the upper top block 91 and the lower top block 92 away from each other to increase the distance between the upper door ring 2 and the lower door ring 2 or make the upper top block 91 and the lower top block 92 approach each other to restore the.

The end face of the upper top block 91 contacting the upper door ring 1 and the end face of the lower top block 92 contacting the lower door ring 2 may be designed to be rectangular or circular, or may be designed to be other common shapes which are easy to process.

In order to make the second tool more stable when expanding the upper door ring 1 and the lower door ring 2, as shown in fig. 5, an upper positioning boss 911 abutting on the side surface of the upper door ring 1 may be provided on the upper top block 91, and certainly, a lower positioning boss 921 abutting on the side surface of the lower door ring 2 may also be provided on the lower top block 92, so as to prevent the upper top block 91 and the lower top block 92 from rotating along with the adjusting screw 93 when rotating the adjusting screw 93, and in actual operation, the second tool is generally installed from the outer side of the door ring assembly, so that the upper positioning boss 911 abuts on the outer side surface of the upper door ring 1, and the lower positioning boss 921 abuts on the outer side surface of the lower door ring 2.

To facilitate rotation of the adjustment screw 93, a square or hexagonal head 933 for facilitating application of force by the wrench may be provided on the adjustment screw 93, the square or hexagonal head 933 being located between the upper and

lower threads

931, 932.

Example two:

as shown in fig. 6, in order to increase the connection reliability between the connector 81 and the mandrel 4, a threaded hole 813 capable of being matched with the external thread on the top end of the mandrel 4 may be formed in the connector 81, in S2, the nut 5 on the top end of the mandrel 4 is removed, the connector 81 is connected with the mandrel 4 by a thread, and then the weight 82 is driven to move up and down. Thus, the connector 81 is not easily separated from the mandrel 4 when the mandrel 4 is pulled out.

Other contents not described in this embodiment may refer to embodiment one.

Example three:

in some models, the top frame above the door ring assembly will prevent the first tool from connecting to the spindle 4, so as shown in fig. 7, the design body 8 includes a straight section 801 for sliding the weight 82 and a curved section 802 curved relative to the straight section 801 to form an avoiding structure.

Other contents not described in this embodiment may refer to the first embodiment or the second embodiment.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. The utility model provides a supplementary frock of changing gyro wheel, its characterized in that, is including being used for the first instrument of extracting the dabber, and first instrument includes the body of perpendicular extension, is used for connecting the connector on dabber top, forms the weight of impact force and bears the atress portion of weight impact force, and the bottom at the body is fixed to the connector, and weight sliding connection is on the body, and the atress portion is fixed at the top of body and is located the weight top.

2. The tooling for assisting in replacing the roller according to claim 1, wherein the connector is provided with a connecting plate extending transversely, the connecting plate is provided with a clamping groove for the mandrel to pass through, and the parts of the connecting plate at two sides of the clamping groove are abutted against the lower part of the nut at the top end of the mandrel to drive the mandrel to move upwards.

3. The tool for assisting in replacing the roller according to claim 1, wherein the connector is provided with a threaded hole capable of being matched with the external thread at the top end of the mandrel.

4. The tool for assisting in replacing the roller as claimed in claim 2 or 3, wherein the connecting head is integrally formed with the body, the force receiving portion is detachably connected to the body, and the weight is mounted to the body from a top end of the body; or the connector is detachably connected with the body, the stress part and the body are integrally formed, and the heavy hammer is arranged on the body from the bottom end of the body; or the connector and the stress part are detachably connected with the body.

5. The tool for assisting in replacing the roller according to claim 1, wherein the body is a cylindrical rod; or the body comprises a straight line section for the heavy hammer to slide and a bent section which is bent relative to the straight line section to form an avoiding structure.

6. The frock of supplementary change gyro wheel of claim 1, characterized in that, the frock still includes the second instrument that is used for expanding upper door circle and lower door circle interval, the second instrument includes upper kicking block, lower kicking block and connects the adjusting screw between upper kicking block, lower kicking block, the upper end of adjusting screw is equipped with the last screw thread of being connected with upper kicking block, the lower extreme is equipped with the lower screw thread of being connected with lower kicking block, the screw thread direction of turning of upper screw thread is opposite with lower screw thread, upper kicking block supports the lower surface at upper door circle, lower kicking block supports the upper surface at lower door circle, rotatory adjusting screw makes upper kicking block, lower kicking block keep away from each other and lets upper and lower door circle interval grow or makes upper kicking block, lower kicking block be close to each other and lets upper and lower door circle interval resume.

7. The tooling for assisting in replacing the roller according to claim 6, wherein the upper top block is provided with an upper positioning boss abutting against the side surface of the upper door ring; and/or a lower positioning boss which is propped against the side surface of the lower door ring is arranged on the lower top block.

8. The tooling for assisting in replacing the roller according to claim 6, wherein the adjusting screw is provided with a square head or a hexagonal head for facilitating the force application of the wrench, and the square head or the hexagonal head is positioned between the upper thread and the lower thread.