Water needle automatic roll changing device with angle adjusting function

By using limit components and spring structures to limit the spindle, and combining scale grooves and scale blocks for precise positioning, the problem of unstable angle adjustment in the automatic water jet changer is solved, achieving higher working stability and accuracy.

CN223822986UActive Publication Date: 2026-01-23CHANGZHOU KJT TECH CO LTD
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Patent Information

Application Number
CN202520133707.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-23
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

In existing automatic water jet changers, the angle adjustment of the cutting water jet is unstable, resulting in poor operational stability of the device.

Method used

The spindle is limited by a limiting component and a spring structure, and precise positioning is achieved by a scale groove and scale block. The position of the water needle component is adjusted by a drive component, and the movement stability is improved by a guide component and a guide rail.

Benefits of technology

This improves the stability and accuracy of the water needle assembly, ensuring stable operation of the device under different working conditions.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223822986U_ABST
    Figure CN223822986U_ABST
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Abstract

The utility model relates to an automatic water needle roll changing device with an angle adjusting function, and belongs to the field of roll changing devices.The automatic water needle roll changing device comprises a transverse frame and a moving seat, the moving seat is slidably connected to the transverse frame, a driving assembly used for controlling the moving seat is arranged on the transverse frame, and two opposite supports are arranged on the moving seat; a main shaft is rotationally connected between the two oppositely-arranged supports, a water needle assembly is arranged on the main shaft, and a limiting assembly used for limiting the main shaft is arranged on the main shaft. When the squirt assembly needs to be used, a worker controls the main shaft to rotate according to needs so as to adjust the position of the squirt assembly, after the position of the squirt assembly is adjusted, the limiting assembly limits the main shaft, the moving possibility of the squirt assembly in the using process is reduced, and therefore the working stability of the squirt automatic roll changing device is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the field of roll changing devices, in particular to a water needle automatic roll changing device with an angle adjusting function. BACKGROUND

[0002] The water needle is a necessary wet paper cutting device of a paper machine, and the cutting process is free of dust, the cutting edge is neat, and the safety factor is relatively high.

[0003] The current water needle automatic roll changing device mainly comprises a cross beam, a moving frame and a cutting water needle, the moving frame reciprocally moves along the cross beam, the cutting water needle is arranged on a support, and the support is connected with the moving frame through a connecting shaft. When the cutting water needle needs to be used, a worker first rotates the support according to the use requirement to adjust the inclination angle of the cutting water needle, and then uses a bolt to limit the connecting shaft to fix the cutting water needle.

[0004] In actual use, the moving frame reciprocally moves all the time, and the limiting capacity of the bolt on the connecting shaft is prone to decrease after long-time use, so that the angle of the cutting water needle cannot meet the work requirement, thereby affecting the work stability of the roll changing device, and the problem needs to be improved. CONTENT OF THE INVENTION

[0005] In order to improve the above problem, the application provides a water needle automatic roll changing device with an angle adjusting function.

[0006] The application provides a water needle automatic roll changing device with an angle adjusting function, which adopts the following technical scheme:

[0007] The water needle automatic roll changing device with an angle adjusting function comprises a cross frame and a moving seat, the moving seat is slidably connected to the cross frame, a driving assembly for controlling the moving seat is arranged on the cross frame, two opposite supports are arranged on the moving seat, a main shaft is rotatably connected between the two opposite supports, a water needle assembly is arranged on the main shaft, and a limiting assembly for limiting the main shaft is arranged on the main shaft.

[0008] By adopting the above technical scheme, when the water needle assembly needs to be used, the worker adjusts the position of the main shaft to adjust the position of the water needle assembly. After the position of the water needle assembly is adjusted, the worker uses the limiting assembly to limit the main shaft, so that the possibility of rotation of the main shaft in the use process is reduced, the water needle assembly is not prone to move in the use process, and the work stability of the automatic roll changing device is improved.

[0009] Preferably, the limiting assembly comprises a connecting rod and a limiting plate, the main shaft is provided with a control groove, the connecting rod is slidably connected in the control groove, the limiting plate is connected with the connecting rod, one of the brackets is provided with a plurality of limiting grooves, the limiting plate is provided with a limiting block, the limiting block is arranged in the corresponding limiting groove, and the control groove is provided with a guide assembly matched with the connecting rod.

[0010] By adopting the above technical scheme, when the position of the main shaft needs to be adjusted, the worker pulls and rotates the limiting plate, the limiting plate drives the connecting rod to move. The worker rotates the limiting plate again, the limiting plate drives the connecting rod to rotate, and under the cooperation of the guide assembly, the connecting rod drives the main shaft to rotate again to adjust the position of the water needle assembly. After the position adjustment of the water needle assembly is completed, the worker clamps the limiting block into the corresponding limiting groove to limit the main shaft, and the position adjustment of the water needle assembly is completed.

[0011] Preferably, the guide assembly comprises a support plate and a plurality of guide blocks, the inner wall of the control groove is provided with a clearance groove, the support plate is slidably connected with the inner wall of the clearance groove, the support plate is connected with the connecting rod, the inner wall of the clearance groove is provided with a plurality of guide grooves, each guide block corresponds to a guide groove, and each guide block is slidably connected in the corresponding guide groove.

[0012] By adopting the above technical scheme, in the process of moving the connecting rod, the connecting rod drives the support plate and each guide block to move. In the process of rotating the connecting rod, the guide block is matched with the corresponding guide groove to realize the rotation of the main shaft, thereby providing convenience for the worker to adjust the position of the water needle assembly.

[0013] Preferably, the clearance groove is provided with a spring, one end of the spring abuts against the support plate, and the other end abuts against the inner wall of the clearance groove.

[0014] By adopting the above technical scheme, in the process of pulling the connecting rod by the worker, the support plate moves and makes the spring in a compressed state. When the position adjustment of the main shaft is completed, the worker releases the limiting plate. Under the action of the spring rebound force, the limiting block is automatically clamped into the corresponding limiting groove. At the same time, the limiting plate, the connecting rod and the support plate are automatically reset. The spring provides limiting for the limiting plate, the limiting block, the connecting rod and the support plate, reduces the possibility of separation of the limiting block and the limiting groove, and improves the stability of the water needle assembly in use.

[0015] Preferably, the bracket is provided with a plurality of scale grooves, and the limiting plate is provided with a scale block matched with the scale grooves.

[0016] By adopting the above technical scheme, the scale block is matched with the scale groove, which facilitates the worker to determine the position of the main shaft and the water needle assembly.

[0017] Preferably, the water needle assembly comprises a support and a cutting water knife, the support is arranged on the main shaft, and the cutting water knife is arranged on the support.

[0018] By adopting the above technical scheme, in the process of adjusting the position of the main shaft by the worker, the main shaft drives the support to rotate, and the support drives the cutting water knife to move, so as to adjust the position of the cutting water knife, and the different working conditions of the cutting water knife are provided with convenience.

[0019] Preferably, the driving assembly comprises a motor, a driving wheel and a driven wheel, the cross frame is provided with a mounting plate, the motor is arranged on the mounting plate, the driving wheel is coaxially arranged on the output end of the motor, the driven wheel is rotatably connected to the cross frame, and the driving belt is arranged on the driving wheel and the driven wheel. The driving belt is connected with the moving seat.

[0020] By adopting the above technical scheme, the motor drives the driving wheel, the driving belt and the driven wheel to rotate in turn, and the driving belt drives the moving seat to move, so as to adjust the position of the moving seat. The moving seat drives the water needle assembly to move, so that the water needle assembly cuts the corresponding position of the paper.

[0021] Preferably, the cross frame is provided with a support bar, the support bar is provided with a guide rail, the moving seat is provided with a sliding block, and the sliding block is slidably connected with the guide rail.

[0022] By adopting the above technical scheme, the guide rail cooperates with the sliding block to provide support for the movement of the moving seat, and the stability of the moving seat and the water needle assembly during movement is improved.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By arranging the limiting assembly, the limiting assembly provides limiting for the main shaft, reduces the possibility of movement of the water needle assembly during use, so that the automatic roll changing device of the water needle is more stable;

[0025] 2. By arranging the spring, under the action of the spring rebound force, the connecting rod, the limiting plate and the limiting block are provided with limiting, the possibility of separation of the limiting block and the corresponding position limiting groove is reduced, the possibility of movement of the main shaft and the water needle assembly during use is further reduced, and the stability of the roll changing device during use is further improved;

[0026] 3. By arranging the scale groove and the scale block, the scale block cooperates with the scale groove, the position of the main shaft is conveniently positioned by the worker, the specific position of the water needle assembly is confirmed, and the precision of the roll changing device during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0028] Figure 2 is a structure schematic diagram for embodying the position relationship between the water needle assembly and the main shaft according to an embodiment of the present application;

[0029] Figure 3 is a structure schematic diagram for embodying the position relationship between the support and the moving seat according to an embodiment of the present application;

[0030] Figure 4 is Figure 3 is an enlarged structure schematic diagram of part A in FIG. 6.

[0031] Mark explanation: 1, cross frame; 11, support bar; 111, guide rail; 2, moving seat; 21, support; 211, limiting groove; 212, scale groove; 213, matching groove; 22, sliding block; 3, drive assembly; 31, motor; 32, driving wheel; 33, driven wheel; 34, drive belt; 4, main shaft; 41, control groove; 411, let go of the groove; 412, guide groove; 42, spring; 43, limiting ring; 5, water needle assembly; 51, support; 52, cutting water knife; 6, limiting assembly; 61, connecting rod; 62, limiting plate; 621, scale block; 63, limiting block; 7, guide assembly; 71, support plate; 72, guide block. DETAILED DESCRIPTION

[0032] The following will be described in detail with reference to the accompanying drawings. Figures 1-4 The present application will be further described in detail.

[0033] The embodiment of the present application discloses a water needle automatic roll changing device with angle adjusting function. Referring to Figure 1 A water needle automatic roll changing device with angle adjusting function, comprising a cross frame 1 and a moving seat 2, the moving seat 2 is slidingly connected on the cross frame 1 along the length direction of the cross frame 1, and the cross frame 1 is provided with a drive assembly 3 for controlling the movement of the moving seat 2. The moving seat 2 is fixed with two opposite supports 21, and the two supports 21 are rotationally connected with a main shaft 4, the main shaft 4 is provided with a water needle assembly 5, and the main shaft 4 is provided with a limiting assembly 6 for limiting the main shaft 4. The position of the main shaft 4 is adjusted by the worker, so as to adjust the position of the water needle assembly 5, so that the water needle assembly 5 is adapted to different working conditions, the limiting assembly 6 limits the main shaft 4, so that the main shaft 4 and the water needle assembly 5 are not easy to move in the use process, thereby improving the stability of the roll changing device in use.

[0034] Referring to Figure 1 The drive assembly 3 comprises a motor 31, a driving wheel 32 and a driven wheel 33, the cross frame 1 is fixed with a mounting plate, the motor 31 is fixed on the mounting plate, and the driving wheel 32 is coaxially fixed on the output end of the motor 31. The driven wheel 33 is rotationally connected on the cross frame 1, the driving wheel 32 and the driven wheel 33 are provided with a drive belt 34, and the drive belt 34 is fixed with the moving seat 2. The driving wheel 32 and the driven wheel 33 are provided as synchronous pulleys, and the drive belt 34 is provided as a driving toothed belt.

[0035] In order to improve the stability of the water needle assembly 5 when moving, a support bar 11 is fixed on the cross frame 1, a guide rail 111 is fixed on the support bar 11, and a sliding block 22 is fixed on the moving seat 2, and the sliding block 22 is in sliding connection with the guide rail 111.

[0036] When it is necessary to control the movement of the water needle assembly 5, the motor 31 controls the rotation of the driving wheel 32, the drive belt 34 and the driven wheel 33 in turn, and the drive belt 34 drives the movement of the moving seat 2, and the moving seat 2 drives the movement of the support 21, the main shaft 4 and the water needle assembly 5 in turn, so as to realize the function of controlling the movement of the water needle assembly 5. In the process of moving the moving seat 2, the sliding block 22 cooperates with the guide rail 111 to provide guidance for the moving seat 2, thereby improving the stability of the water needle assembly 5 when moving.

[0037] Referring to Figure 2 , the water needle assembly 5 comprises a support 51 and a cutting water knife 52, the support 51 is fixed on the main shaft 4, and the cutting water knife 52 is fixed on the support 51, and the cutting water knife 52 is connected with a water pump to provide power for the cutting water knife 52.

[0038] Referring to Figure 3 and Figure 4 , the limiting assembly 6 comprises a connecting rod 61 and a limiting plate 62, a control groove 41 is formed in the main shaft 4, the connecting rod 61 is in sliding connection in the control groove 41, and the limiting plate 62 is fixed on the connecting rod 61. A plurality of limiting grooves 211 are formed in one of the supports 21, a limiting block 63 is fixed on the limiting plate 62, the limiting block 63 is arranged in the corresponding limiting groove 211, and the control groove 41 is provided with a guide assembly 7 cooperating with the connecting rod 61.

[0039] The guide assembly 7 comprises a support plate 71 and a plurality of guide blocks 72, each guide block 72 is fixed on the support plate 71. The inner wall of the control groove 41 is provided with a clearance groove 411, and the support plate 71 is in sliding connection with the inner wall of the clearance groove 411. The inner wall of the clearance groove 411 is provided with a plurality of guide grooves 412, each guide block 72 corresponds to a guide groove 412, and the guide block 72 is in sliding connection in the corresponding guide groove 412.

[0040] When it is necessary to adjust the position of the main shaft 4, the worker pulls the limiting plate 62, and the limiting plate 62 drives the connecting rod 61, the supporting plate 71 and the guide blocks 72 to move in sequence. Then the worker rotates the limiting plate 62, and under the limiting and guiding actions of the guide blocks 72 and the guide grooves 412, the limiting plate 62 drives the connecting rod 61, the supporting plate 71 and the guide blocks 72 to rotate in sequence. The guide blocks 72 control the rotation of the main shaft 4, and the main shaft 4 drives the water needle assembly 5 to rotate, so as to realize the function of adjusting the water needle assembly 5. After the position adjustment of the main shaft 4 is completed, the limiting block 63 is opposite to the limiting groove 211 at the corresponding position, and then the worker moves the limiting plate 62, so that the limiting block 63 is clamped into the limiting groove 211 at the corresponding position, thereby limiting the main shaft 4, reducing the possibility of movement of the main shaft 4 in the use process, and improving the stability of the water needle assembly 5 in the subsequent use.

[0041] With reference to Figure 4 , in order to further improve the stability of the water needle assembly 5 in use, the relief groove 411 is provided with a spring 42, one end of the spring 42 abuts against the supporting plate 71, and the other end abuts against the inner wall of the relief groove 411.

[0042] In the process of pulling the limiting plate 62 by the worker, the supporting plate 71 presses the spring 42, so that the spring 42 is in a compressed state. After the position adjustment of the main shaft 4 is completed, the limiting block 63 is opposite to the limiting groove 211 at the corresponding position. Then the worker releases the limiting plate 62, and under the action of the elastic force of the spring 42, the limiting block 63 is automatically clamped into the limiting groove 211 at the corresponding position. At this time, under the action of the elastic force of the spring 42, the supporting plate 71 is limited, that is, the connecting rod 61, the limiting plate 62 and the limiting block 63 are limited, thereby reducing the possibility of separation of the limiting block 63 and the limiting groove 211 at the corresponding position, and further improving the stability of the water needle assembly 5 in use.

[0043] With reference to Figure 2 and Figure 4 , in order to facilitate the worker to determine the position of the main shaft 4, the bracket 21 is provided with a plurality of scale grooves 212, and the limiting plate 62 is fixed with a scale block 621 matched with the scale grooves 212, and each scale groove 212 corresponds to a limiting groove 211. In the process of rotating the limiting plate 62 by the worker, the limiting plate 62 drives the scale block 621 to move, and the scale block 621 is matched with the scale groove 212, thereby providing convenience for the worker to determine the position of the main shaft 4 and the water needle assembly 5.

[0044] With reference to Figure 4In order to improve the connection stability between the main shaft 4 and the support 21, a matching groove 213 is arranged in the support 21, and a limiting ring 43 is coaxially arranged on the main shaft 4, and the limiting ring 43 is arranged in the matching groove 213 and is in sliding connection with the inner wall of the matching groove 213. The limiting ring 43 is matched with the matching groove 213 to limit the main shaft 4, and the possibility of separation of the main shaft 4 from the support 21 during adjustment is reduced.

[0045] The implementation principle of the water needle automatic roll changing device with the angle adjusting function is as follows: when the water needle assembly 5 needs to be used, the worker controls the rotation of the main shaft 4 to adjust the position of the water needle assembly 5, and then uses the limiting assembly 6 to limit the position of the main shaft 4, so that the possibility of movement of the main shaft 4 during use is reduced, that is, the possibility of movement of the water needle assembly 5 during use is reduced, thereby improving the stability of the roll changing device during use.

[0046] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An automatic water jet changer with angle adjustment function, characterized in that: It includes a cross frame (1) and a movable seat (2). The movable seat (2) is slidably connected to the cross frame (1). The cross frame (1) is provided with a drive assembly (3) for controlling the movable seat (2). The movable seat (2) is provided with two opposing brackets (21). A main shaft (4) is rotatably connected between the two opposing brackets (21). A water needle assembly (5) is provided on the main shaft (4). A limiting assembly (6) for limiting the main shaft (4) is provided on the main shaft (4).

2. The automatic water jet changer with angle adjustment function according to claim 1, characterized in that: The limiting component (6) includes a connecting rod (61) and a limiting plate (62). The main shaft (4) is provided with a control groove (41). The connecting rod (61) is slidably connected in the control groove (41). The limiting plate (62) is connected to the connecting rod (61). One of the brackets (21) is provided with several limiting grooves (211). The limiting plate (62) is provided with a limiting block (63). The limiting block (63) is set in the limiting groove (211) at the corresponding position. The control groove (41) is provided with a guide component (7) that cooperates with the connecting rod (61).

3. The automatic water jet changer with angle adjustment function according to claim 2, characterized in that: The guide assembly (7) includes a support plate (71) and several guide blocks (72). The inner wall of the control groove (41) is provided with a clearance groove (411). The support plate (71) is slidably connected to the inner wall of the clearance groove (411). The support plate (71) is connected to the connecting rod (61). The inner wall of the clearance groove (411) is provided with several guide grooves (412). Each guide block (72) corresponds to a guide groove (412). The guide block (72) is slidably connected in the guide groove (412) at the corresponding position.

4. The automatic water jet changer with angle adjustment function according to claim 3, characterized in that: A spring (42) is provided in the relief groove (411). One end of the spring (42) abuts against the support plate (71), and the other end abuts against the inner wall of the relief groove (411).

5. The automatic water jet changer with angle adjustment function according to claim 2, characterized in that: The bracket (21) is provided with a plurality of scale grooves (212), and the limiting plate (62) is provided with scale blocks (621) that cooperate with the scale grooves (212).

6. The automatic water jet changer with angle adjustment function according to claim 1, characterized in that: The water needle assembly (5) includes a support (51) and a cutting water jet (52). The support (51) is mounted on the main shaft (4), and the cutting water jet (52) is mounted on the support (51).

7. The automatic water jet changer with angle adjustment function according to claim 6, characterized in that: The drive assembly (3) includes a motor (31), a drive wheel (32) and a driven wheel (33). A mounting plate is provided on the cross frame (1). The motor (31) is mounted on the mounting plate. The drive wheel (32) is coaxially mounted on the output end of the motor (31). The driven wheel (33) is rotatably connected to the cross frame (1). A drive belt (34) is wound around the drive wheel (32) and the driven wheel (33). The drive belt (34) is connected to the movable seat (2).

8. The automatic water jet changer with angle adjustment function according to claim 7, characterized in that: The crossbar (1) is provided with a support bar (11), the support bar (11) is provided with a guide rail (111), the movable seat (2) is provided with a slider (22), and the slider (22) is slidably connected to the guide rail (111).