Air cylinder positioning device of automatic doffing machine

Abstract

The utility model discloses an air cylinder positioning device of an automatic doffing machine, and relates to the related technical field of doffing machines. The device comprises a doffing machine frame, a fixed table, a fixed plate and a positioning plate, a movable track is embedded and fixed at the bottom of the doffing machine frame along a center line parallel to a long edge, the fixed table is arranged below the movable track, a sliding block is fixed at the top of the fixed table, and the sliding block is arranged at the bottom of the movable track. A fixing plate is fixedly welded to the bottom of the outer side of one end of the movable rail, a positioning shell is fixed in the fixing plate in a penetrating mode, a fixing ring is fixed to the lower portion in the positioning shell, a positioning pin is movably connected into the fixing ring, a pressure spring is fixed to the top end of the fixing ring, and a positioning plate is fixed to one side of the fixing table. Through the arrangement of the doffing machine frame, the fixing table, the fixing plate and the positioning plate, the problems that a piston rod of an air cylinder is prone to being abraded and the positioning accuracy is prone to being affected by deviation of the lead screw in the movement due to the fact that the lead screw of the automatic doffing machine is positioned through the air cylinder are solved.

Description

Technical Field

[0001] This utility model belongs to the technical field of wire doffing machines, and in particular relates to an automatic wire doffing machine cylinder positioning device. Background Technology

[0002] The working principle of the automatic silk reeling machine is as follows: Two rows of parallel reeling troughs and several cocoon feeders are set on the frame. A collection trough is set below the cocoon feeders and reeling troughs. One end of the collection trough is connected to the thread-sorting pot, and the other end is equipped with a separator. The separator has a cocoon dropping hopper. The collection trough has a drain outlet above the cocoon dropping hopper. The unseedled cocoon conveying device of the separator is connected to the thread-sorting pot. The warm water in the thread-sorting pot is connected to the collection trough, and the cocoons are flushed to the separator for recycling by the water flow. However, it still has the following drawbacks in actual use:

[0003] With the continuous development of automation technology, automatic doffing machines are gradually being used in the production of spandex to achieve automatic doffing. In this process, it is necessary to accurately position the lead screw. The automatic doffing machine system uses a positioning cylinder for lead screw positioning. However, during operation, the piston rod of the cylinder constantly moves in and out of the positioning pin hole. As the work progresses, the piston rod is extremely easy to be damaged due to wear.

[0004] Secondly, in the positioning of the lead screw in the automatic wire feeding machine, the lead screw is directly driven and the positioning is directly achieved by the linear motion of the lead screw. However, the lead screw inevitably deviates during the movement. Due to the deviation of the lead screw, the positioning is easily inaccurate and affects the positioning accuracy. Utility Model Content

[0005] The purpose of this utility model is to provide a cylinder positioning device for an automatic wire doffing machine. By setting up a wire doffing machine frame, a fixed platform, a fixed plate, and a positioning plate, it solves the problems of the piston rod of the cylinder being easily worn when the screw of the automatic wire doffing machine is positioned by a cylinder, and the deviation of the screw during movement easily affecting the positioning accuracy.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to an automatic wire-feeding machine cylinder positioning device, comprising a wire-feeding machine frame, a fixed platform, a fixed plate, and a positioning plate. A moving track is embedded and fixed at the bottom of the wire-feeding machine frame along a center line parallel to its long side. A fixed platform is positioned below the moving track, and a slider is fixed to the top of the fixed platform. The slider is located at the bottom of the moving track. A fixed plate is welded and fixed to the bottom of one outer side of the moving track, and a positioning housing is fixed through the fixed plate. The positioning housing is vertically continuous, and a fixed ring is fixed to the lower part of the positioning housing. A positioning pin is movably connected within the fixed ring, and a compression spring is fixed to the top of the fixed ring. A positioning plate is fixed to one side of the fixed platform. During operation, the wire-feeding machine is connected to the wire-feeding machine frame. The fixed platform slides at the bottom of the wire-feeding machine frame, causing the fixed plate to operate and drive the positioning cylinder body to rise and fall. After the positioning pin is inserted, the positioning plate positions the wire-feeding machine frame and the fixed platform together.

[0008] Furthermore, a lead screw is fixed to the side of the fixed platform away from the positioning plate, and a T-shaped block is fixed to the top of the slider. The lead screw drives the fixed platform to move under the pushing action of the external structure.

[0009] Furthermore, a T-shaped groove is provided at the bottom of the moving track, and the T-shaped block is movably connected in the T-shaped groove, so as to maintain the smoothness of the sliding block movement during operation.

[0010] Furthermore, a positioning cylinder body is fixed at the top center of the fixing plate. The positioning cylinder body is fixed inside the wire doffing machine frame. The telescopic end of the positioning cylinder body is set towards the positioning housing. When the fixing plate is working, the positioning cylinder body pushes the connecting plate, causing the positioning pin to descend.

[0011] Furthermore, a connecting plate is fixed to the top of the positioning pin, and the connecting plate is movably connected inside the positioning housing. The top of the compression spring is fixed to the bottom surface of the connecting plate outside the positioning pin. After the compression spring is compressed, when the positioning cylinder body retracts, it pushes the positioning pin back to its original position.

[0012] Furthermore, a positioning hole is provided at the top center of the positioning plate, and the central axis of the positioning hole is on the same straight line as the central axis of the positioning pin. After the positioning pin is inserted, the positioning hole on the positioning plate restricts the position between the wire-feeding machine frame and the fixed platform.

[0013] This utility model has the following beneficial effects:

[0014] This invention solves the problem of wear and tear on the piston rod of an automatic wire-feeding machine when the lead screw is positioned by a cylinder, by setting up a fixed plate and a positioning plate. After positioning between the wire-feeding machine frame and the fixed platform, the positioning cylinder body is directly activated. The piston rod of the positioning cylinder body presses against the connecting plate, pushing the connecting plate to lower the positioning pin. During the descent of the positioning pin, it descends in the fixed ring and enters the positioning hole on the positioning plate, restricting the position of the wire-feeding machine frame and the fixed platform. When it is necessary to release the position between the wire-feeding machine frame and the lead screw, the piston rod of the positioning cylinder body is activated to rise. After the piston rod of the positioning cylinder body rises, the compression spring rebounds, driving the connecting plate and the positioning pin to rise. This means that during operation, the piston rod of the positioning cylinder body does not need to enter the positioning hole on the positioning plate, preventing piston rod wear and thus better preventing cylinder damage during operation.

[0015] This invention solves the problem of positioning accuracy being easily affected by the deviation of the lead screw during the movement of an automatic wire doffing machine by setting up a wire doffing machine frame, a fixed platform, a fixed plate, and a positioning plate. When positioning between the wire doffing machine frame and the fixed platform, firstly, the lead screw drives the fixed platform to move under the driving action of an external drive structure. As the fixed platform is driven by the lead screw, it causes the T-shaped block to slide in the T-shaped groove at the bottom of the moving track, allowing the fixed platform to slide smoothly until the T-shaped block moves to abut against the wire doffing machine frame. At this time, the central axis of the positioning pin moves to be on the same straight line as the central axis of the positioning hole on the positioning plate, which facilitates the determination of the fixed platform position connecting the wire doffing machine frame and the lead screw, so that the lead screw of the automatic wire doffing machine will not deviate during movement, thus ensuring positioning accuracy. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A perspective view of the assembly structure of a cylinder positioning device for an automatic wire doffing machine;

[0018] Figure 2 This is a three-dimensional view of the cut-out structure of the wire-dumping locomotive frame.

[0019] Figure 3 This is a three-dimensional structural diagram of the fixed platform;

[0020] Figure 4 This is a three-dimensional view of the structure after the fixing plate has been cut open.

[0021] Figure 5 This is a three-dimensional structural diagram of the positioning plate.

[0022] Figure label:

[0023] 1. Wire-feeding machine frame; 101. Moving track; 102. T-slot; 2. Fixed platform; 201. Slider; 202. T-block; 203. Lead screw; 3. Fixed plate; 301. Positioning cylinder body; 302. Positioning housing; 303. Fixed ring; 304. Compression spring; 305. Connecting plate; 306. Positioning pin; 4. Positioning plate; 401. Positioning hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0025] Please see Figure 1-3 This utility model relates to an automatic doffing machine cylinder positioning device, comprising a doffing machine frame 1, a fixed platform 2, a fixed plate 3, and a positioning plate 4. A moving track 101 is embedded and fixed at the bottom of the doffing machine frame 1 along a center line parallel to its long side. During operation, the doffing machine frame 1 is supported by other supporting structures. The moving track 101 provides movement for the T-shaped block 202, ensuring the fixed platform 2 moves straight. The fixed platform 2 is located below the moving track 101. During operation, the fixed platform 2 connects the lead screw 203 and the fixed plate 3. A slider 201 is fixed to the top of the fixed platform 2 and is located at the bottom of the moving track 101. During operation, the slider 201 drives the T-shaped block 202 to slide within the moving track 101. A fixed plate 3 is welded and fixed to the bottom of one end of the moving track 101, and the fixed plate 3 holds the positioning cylinder body 3. 01 is fixed on it, and the positioning housing 302 is fixed through it. The positioning housing 302 is fixed through the fixing plate 3. The positioning housing 302 connects the positioning pin 306 and the compression spring 304. The positioning housing 302 is arranged vertically. The lower part of the positioning housing 302 is fixed with a fixing ring 303. The fixing ring 303 is movably connected with the positioning pin 306. The positioning pin 306 is movably connected in the fixing ring 303. After the positioning pin 306 is inserted into the positioning plate 4, it determines the position between the wire doffing machine frame 1, the positioning plate 4 and the fixing platform 2. The top of the fixing ring 303 is fixed with a compression spring 304. After the cylinder retracts, the compression spring 304 pushes the pressed positioning pin 306 back to its original position. The positioning plate 4 is fixed on one side of the fixing platform 2. When the positioning plate 4 is working, it cooperates with the wire doffing machine frame 1 to limit the movement.

[0026] Specifically, a lead screw 203 is fixed on the side of the fixed platform 2 away from the positioning plate 4, and a T-shaped block 202 is fixed on the top of the slider 201. When the drive structure rotates and drives the lead screw 203 to move, it drives the fixed platform 2 to change position.

[0027] Furthermore, a T-shaped groove 102 is provided at the bottom of the moving track 101, and a T-shaped block 202 is movably connected in the T-shaped groove 102. When the T-shaped block 202 is moving, it slides in the T-shaped groove 102, driving the fixed platform 2 to move.

[0028] The operation process of this embodiment is as follows: During operation, when positioning between the wire doffing machine frame 1 and the fixed platform 2, firstly, the lead screw 203 drives the fixed platform 2 to move under the driving action of the external drive structure. When the fixed platform 2 is driven by the lead screw 203, it drives the T-shaped block 202 to slide in the T-shaped groove 102 at the bottom of the moving track 101, so that the fixed platform 2 can slide smoothly until the T-shaped block 202 moves to abut against the wire doffing machine frame 1. At this time, the central axis of the positioning pin 306 moves to be on the same straight line as the central axis of the positioning hole 401 on the positioning plate 4, which facilitates the determination of the position of the fixed platform 2 connected to the wire doffing machine frame 1 and the lead screw 203. Specific Implementation Example 2

[0029] Please see Figure 1 , 3 4, 5. Based on the specific embodiment one, a positioning cylinder body 301 is fixed at the top center of the fixing plate 3. The positioning cylinder body 301 is fixed inside the wire doffing machine frame 1. The telescopic end of the positioning cylinder body 301 is set towards the positioning housing 302. When the positioning cylinder body 301 on the fixing plate 3 is working, the piston rod in it descends. After the piston rod descends, it pushes the connecting plate 305 to move.

[0030] Specifically, a connecting plate 305 is fixed to the top of the positioning pin 306. The connecting plate 305 is movably connected inside the positioning housing 302. The top of the compression spring 304 is fixed to the bottom surface of the connecting plate 305 outside the positioning pin 306. The connecting plate 305 on the positioning pin 306 is connected to the compression spring 304. When the piston rod in the positioning cylinder body 301 is pushed, it pushes the connecting plate 305, causing the positioning pin 306 to descend.

[0031] Furthermore, a positioning hole 401 is provided at the top center of the positioning plate 4, and the central axis of the positioning hole 401 is on the same straight line as the central axis of the positioning pin 306. After the positioning pin 306 is inserted into the positioning hole 401 on the positioning plate 4, the position of the wire-feeding machine frame 1 and the fixed platform 2 is restricted.

[0032] The operation process of this embodiment is as follows: After the positioning between the wire doffing machine frame 1 and the fixed platform 2 is completed, the positioning cylinder body 301 is directly activated. The piston rod of the positioning cylinder body 301 presses against the connecting plate 305, pushing the connecting plate 305 to drive the positioning pin 306 to descend. At the same time, during the descent of the positioning pin 306, the positioning pin 306 descends in the fixed ring 303 and enters the positioning hole 401 on the positioning plate 4, restricting the position of the wire doffing machine frame 1 and the fixed platform 2. When it is necessary to loosen the position between the wire doffing machine frame 1 and the lead screw 203, the piston rod of the positioning cylinder body 301 is activated to rise. After the piston rod of the positioning cylinder body 301 rises, the compression spring 304 rebounds, driving the connecting plate 305 and the positioning pin 306 to rise. This ensures that during operation, the piston rod of the positioning cylinder body 301 does not need to enter the positioning hole 401 on the positioning plate 4, preventing piston rod wear.

[0033] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An automatic doffing machine cylinder positioning device, comprising a doffing machine frame (1), a fixed platform (2), a fixed plate (3), and a positioning plate (4), characterized in that: The bottom of the wire-feeding machine frame (1) is inlaid with a moving track (101) along the center line parallel to the long side. A fixed platform (2) is provided below the moving track (101). A slider (201) is fixed on the top of the fixed platform (2). The slider (201) is located at the bottom of the moving track (101). A fixed plate (3) is welded to the bottom of the outer side of one end of the moving track (101). A positioning housing (302) is fixed through the fixed plate (3). The positioning housing (302) is arranged vertically. A fixing ring (303) is fixed in the lower part of the positioning housing (302). A positioning pin (306) is movably connected in the fixing ring (303). A compression spring (304) is fixed at the top of the fixing ring (303). A positioning plate (4) is fixed on one side of the fixed platform (2).

2. The cylinder positioning device for an automatic wire doffing machine according to claim 1, characterized in that: A lead screw (203) is fixed on the side of the fixed platform (2) away from the positioning plate (4), and a T-shaped block (202) is fixed on the top of the slider (201).

3. The cylinder positioning device for an automatic wire doffing machine according to claim 2, characterized in that: The bottom of the moving track (101) is provided with a T-shaped groove (102), and the T-shaped block (202) is movably connected in the T-shaped groove (102).

4. The cylinder positioning device for an automatic wire doffing machine according to claim 1, characterized in that: The top center of the fixed plate (3) is fixed with a positioning cylinder body (301), which is fixed inside the wire-feeding machine frame (1). The telescopic end of the positioning cylinder body (301) is set towards the positioning housing (302).

5. The cylinder positioning device for an automatic wire doffing machine according to claim 1, characterized in that: The top of the positioning pin (306) is fixed with a connecting plate (305), which is movably connected inside the positioning housing (302). The top of the compression spring (304) is fixed on the bottom surface of the connecting plate (305) outside the positioning pin (306).

6. The cylinder positioning device for an automatic wire doffing machine according to claim 5, characterized in that: The positioning plate (4) has a positioning hole (401) at the top center, and the central axis of the positioning hole (401) is on the same straight line as the central axis of the positioning pin (306).

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