Rapid coupling of coiling mechanical equipment

Abstract

The utility model discloses a quick coupling for coiling mechanical equipment, which comprises a bearing seat and a rotating shaft, one end of the rotating shaft is movably arranged in the bearing seat, a hand wheel is arranged at one end of the rotating shaft, and a closed inclined surface matched with the hand wheel is arranged on the surface of one side between the bearing seat and the hand wheel; a clamping opening is formed in the hand wheel; a hand wheel reset assembly is arranged below the clamping opening. A positioning assembly and a self-locking assembly are arranged between the rotating shaft and the hand wheel; the positioning assembly achieves accurate positioning of the hand wheel and the rotating shaft, and the self-locking assembly achieves self-locking of the hand wheel and the rotating shaft. The positioning assembly and the self-locking assembly are arranged between the rotating shaft and the hand wheel, a double-positioning structure is adopted, the hand wheel is effectively prevented from being automatically opened under the action of external force, the working efficiency is improved, and potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of quick couplings for winding mechanical equipment, in particular to quick couplings for winding mechanical equipment. Background Art

[0002] The winding chuck is a coupling connected to the transmission shaft, with frequent on-off actions. It is used in textile, papermaking, wire, cable, packaging, printing, plastic, leather, tire manufacturing, battery manufacturing and other industries. The winding chuck is used to wind or unwind the material. It can be connected to the motor for active rotation or passive rotation as needed. Manual or pneumatic dampers and brakes can also be installed on the output circular shaft to adjust the material tension.

[0003] The existing product steel ball positioning structure has the problem that the preload force of the steel ball positioning spring is too large, and it is difficult for people to open the hand wheel. When the spring preload force is released, the steel ball positioning effect is not good, and the hand wheel is easy to open automatically during the winding rotation process.

[0004] Therefore, there is an urgent need to provide a quick coupling for winding mechanical equipment to solve the above technical problems. Utility Model Content

[0005] In view of the defects in the prior art, the utility model provides a quick coupling for winding mechanical equipment. By setting a positioning component and a self-locking component, the self-locking component changes the positioning direction of the locking pin to achieve precise positioning. At the same time, the hand wheel is self-locked or opened by the self-locking component, and a double positioning structure is adopted to improve safety performance.

[0006] The utility model provides a quick coupling for winding mechanical equipment, comprising a bearing seat and a rotating shaft with one end movably arranged in the bearing seat, a hand wheel is arranged at one end of the rotating shaft, and a closed inclined surface cooperating with the hand wheel is arranged on a side surface between the bearing seat and the hand wheel;

[0007] A clamping opening is arranged inside the hand wheel;

[0008] A hand wheel reset assembly is provided below the clamping opening;

[0009] A positioning component and a self-locking component are provided between the rotating shaft and the hand wheel; the positioning component realizes precise positioning of the hand wheel and the rotating shaft, and the self-locking component realizes self-locking of the hand wheel and the rotating shaft.

[0010] Preferably, the positioning assembly includes a positioning hole arranged on the rotating shaft, a through hole arranged on the handwheel along the axis of the positioning hole, a positioning spring arranged in the through hole, an adjusting nut arranged at one end of the positioning spring, and a steel ball arranged at the other end of the positioning spring, and the steel ball is clamped in the positioning hole to achieve precise positioning.

[0011] Preferably, the self-locking assembly includes a self-locking hole arranged on the rotating shaft, a self-locking through hole arranged along the axis of the self-locking hole, a locking pin and a reset spring arranged in the self-locking through hole and adapted to the self-locking hole, a first limit member arranged at the other end of the reset spring, a waist-shaped through hole arranged on the side wall of the self-locking through hole, and a fork member fixedly connected to the locking pin, and the end of the fork member away from the positioning pin is arranged on the outer side of the rotating hand wheel.

[0012] Preferably, an upper clamping opening and a lower clamping opening are arranged inside the hand wheel.

[0013] Preferably, a safety ring is provided between the handwheel and the bearing seat.

[0014] Preferably, the rotating shaft is connected to the bearing seat via a rolling bearing.

[0015] Preferably, the handwheel resetting assembly includes a guide groove arranged on the surface of the rotating shaft, a guide pin arranged on the handwheel and adapted to the guide groove, and a second limit member arranged at the other end of the guide pin.

[0016] Preferably, a connecting key is provided on a side of the rotating shaft away from the hand wheel.

[0017] Preferably, an end cover is provided on the side of the bearing seat and the rotating shaft away from the hand wheel.

[0018] Preferably, the self-locking component is arranged on the left side or the right side of the positioning component.

[0019] Beneficial effects of the utility model

[0020] The utility model provides a quick coupling for a winding mechanical device, wherein a positioning assembly and a self-locking assembly are provided between the rotating shaft and the handwheel, and a double positioning structure is adopted to effectively prevent the handwheel from automatically opening due to external force, thereby improving work efficiency and reducing potential safety hazards. The steel ball in the positioning assembly is pushed into the positioning hole on the rotating shaft under the action of the positioning spring to achieve precise positioning. When the handwheel is closed, the locking pin is pushed into the self-locking hole on the rotating shaft under the action of the reset spring, and at this time, the handwheel and the rotating shaft are in a locked state. When the handwheel needs to be opened, the fork member needs to be manually pulled, and the fork member is moved along the guide direction of the waist-shaped through hole to pull the locking pin out of the self-locking hole, and the handwheel is opened. After the handwheel is closed, the locking pin is automatically inserted into the self-locking hole of the rotating shaft under the action of the reset spring to achieve self-locking. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 2 It is a left-side structural schematic diagram of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the locking and positioning state of the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the free state of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the right-lock type of the utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the left-lock type of the utility model;

[0027] Among them, 1. bearing seat; 2. rotating shaft; 3. hand wheel; 4. closing inclined plane; 5. clamp; 6. hand wheel reset assembly; 7. positioning assembly; 71. positioning hole; 72. through hole; 73. positioning spring; 74. adjusting nut; 75. steel ball; 8. self-locking assembly; 81. self-locking hole; 82. self-locking through hole; 83. locking pin; 84. reset spring; 85. first limit piece; 86. waist-shaped through hole; 87. fork piece; 9. flat key; 10. end cover; 11. safety guard ring; 12. rolling bearing. DETAILED DESCRIPTION

[0028] The utility model is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the utility model. These all fall within the scope of protection of the utility model.

[0029] Reference Figures 1 to 6

[0030] The utility model provides a quick coupling for winding mechanical equipment, including a bearing seat 1 and a rotating shaft 2 with one end movably arranged in the bearing seat 1, a handwheel 3 is arranged at one end of the rotating shaft 2, and a closed inclined surface 4 cooperating with the handwheel 3 is arranged on a side surface between the bearing seat 1 and the handwheel 3; a clamp 5 is arranged inside the handwheel 3; a handwheel reset assembly 6 is arranged below the clamp 5; a positioning assembly 7 and a self-locking assembly 8 are arranged between the rotating shaft 2 and the handwheel 3; a double positioning structure is adopted to effectively prevent the handwheel 3 from automatically opening due to external force, improve work efficiency, and reduce safety hazards. The positioning assembly 7 realizes the precise positioning of the handwheel 3 and the rotating shaft 2, and the self-locking assembly 8 realizes the self-locking of the handwheel 3 and the rotating shaft 2. The problem that the steel ball 75 and the positioning hole of the rotating lock wheel of the chuck are easy to wear, resulting in the loosening of the positioning assembly 7, causing the handwheel 3 to not close in place or the handwheel 3 to open automatically during rotation, and the material falls off and is damaged, and the safety hazard is high is solved, and the safety is higher.

[0031] In one embodiment, the positioning assembly 7 includes a positioning hole 71 provided on the rotating shaft 2, a through hole 72 provided on the hand wheel 3 along the axis of the positioning hole 71, a positioning spring 73 provided in the through hole 72, an adjustment nut 74 provided at one end of the positioning spring 73, and a steel ball 75 provided at the other end of the positioning spring 73. The steel ball 75 in the positioning assembly 7 is pushed into the positioning hole 71 on the rotating shaft 2 under the action of the positioning spring 73 to achieve precise positioning. The steel ball 75 is clamped in the positioning hole 71 to achieve precise positioning.

[0032] In one embodiment, the self-locking assembly 8 includes a self-locking hole 81 provided on the rotating shaft 2, a self-locking through hole 82 provided along the axis of the self-locking hole 81, a locking pin 83 and a reset spring 84 provided in the self-locking through hole 82 and adapted to the self-locking hole 81, a first limiting member 85 provided at the other end of the reset spring 84, a waist-shaped through hole 86 provided on the side wall of the self-locking through hole 82, and a fork member 87 fixedly connected to the locking pin 83, wherein the end of the fork member 87 away from the positioning pin is provided on the outer side of the rotating hand wheel 3. The first limiting member 85 adopts a positioning top screw. When the hand wheel 3 is closed, the locking pin 83 is pushed into the self-locking hole 81 on the rotating shaft 2 under the action of the reset spring 84, and at this time, the hand wheel 3 and the rotating shaft 2 are in a locked state. When the hand wheel 3 needs to be opened, the fork member 87 needs to be manually pulled, and the fork member 87 is moved along the guide direction of the waist-shaped through hole 86 to pull the lock pin 83 out of the self-locking hole 81, and the hand wheel 3 is opened. After the hand wheel 3 is closed, the lock pin 83 is automatically inserted into the self-locking hole 81 of the rotating shaft 2 under the action of the reset spring 84 to achieve self-locking.

[0033] In one embodiment, an upper clamp and a lower clamp are provided inside the hand wheel 3. In one embodiment, the clamp 5 adopts 42CrMo tempering and quenching process, and the corresponding square opening size can be replaced according to different reels, which has universal interchangeability and saves equipment procurement costs.

[0034] In one embodiment, a safety ring 11 is provided between the hand wheel 3 and the bearing seat 1 to prevent injury from being pinched due to misoperation.

[0035] In one embodiment, the rotating shaft 2 is connected to the bearing seat 1 via a rolling bearing.

[0036] In one embodiment, the handwheel reset assembly 6 includes a guide groove arranged on the surface of the rotating shaft 2, a guide pin arranged on the handwheel 3 and adapted to the guide groove, and a second limit member arranged at the other end of the guide pin, and the guide pin can move along the guide of the guide groove.

[0037] In one embodiment, a connecting key 9 is provided on a side of the rotating shaft 2 away from the hand wheel 3 .

[0038] In one embodiment, an end cover 10 is provided on the side of the bearing seat 1 and the rotating shaft 2 away from the hand wheel 3 .

[0039] In one embodiment, the self-locking component 8 is arranged on the left side or the right side of the positioning component 7, and a right-locking structure or a left-locking structure can be adopted according to the different installation heights of the coupling on site.

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] The above contents are further detailed descriptions of the present invention in combination with specific implementation methods, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention.

Claims

1. A quick coupling for a coiling machine, characterized in that: It comprises a bearing seat and a rotating shaft with one end movably arranged in the bearing seat, a hand wheel is arranged at one end of the rotating shaft, and a closed inclined surface cooperating with the hand wheel is arranged on a side surface between the bearing seat and the hand wheel; A clamping opening is arranged inside the hand wheel; A hand wheel reset assembly is provided below the clamping opening; A positioning component and a self-locking component are provided between the rotating shaft and the hand wheel; the positioning component realizes accurate positioning of the hand wheel and the rotating shaft, and the self-locking component realizes self-locking of the hand wheel and the rotating shaft; The positioning assembly includes a positioning hole arranged on the rotating shaft, a through hole arranged on the hand wheel along the axis of the positioning hole, a positioning spring arranged in the through hole, an adjusting nut arranged at one end of the positioning spring, and a steel ball arranged at the other end of the positioning spring, wherein the steel ball is clamped in the positioning hole to achieve precise positioning; The self-locking assembly includes a self-locking hole arranged on the rotating shaft, a self-locking through hole arranged along the axis of the self-locking hole, a locking pin and a reset spring arranged in the self-locking through hole and adapted to the self-locking hole, a first limit piece arranged at the other end of the reset spring, a waist-shaped through hole arranged on the side wall of the self-locking through hole, and a fork piece fixedly connected to the locking pin, and the end of the fork piece away from the positioning pin is arranged on the outer side of the rotating hand wheel.

2. The quick coupling of the winding mechanical equipment according to claim 1 is characterized in that: An upper clamping opening and a lower clamping opening are arranged inside the hand wheel.

3. The quick coupling of the winding mechanical equipment according to claim 1 is characterized in that: A safety guard ring is arranged between the hand wheel and the bearing seat.

4. The quick coupling of the winding mechanical equipment according to claim 1 is characterized in that: The rotating shaft is connected to the bearing seat via a rolling bearing.

5. The quick coupling of the winding mechanical equipment according to claim 1, characterized in that: The hand wheel resetting assembly comprises a guide groove arranged on the surface of the rotating shaft, a guide pin arranged on the hand wheel and adapted to the guide groove, and a second limiting member arranged at the other end of the guide pin.

6. The quick coupling of the winding mechanical equipment according to claim 1, characterized in that: A connecting flat key is arranged on a side of the rotating shaft away from the hand wheel.

7. The quick coupling of the winding mechanical equipment according to claim 1, characterized in that: An end cover is arranged on the side of the bearing seat and the rotating shaft away from the hand wheel.

8. The quick coupling of the winding mechanical equipment according to claim 1, characterized in that: The self-locking component is arranged on the left side or the right side of the positioning component.

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