CN212804002U

CN212804002U - Torque monitoring clutch of cigarette making machine

Info

Publication number: CN212804002U
Application number: CN202020934735.2U
Authority: CN
Inventors: 何忠; 朱海鹏; 文政幸; 刘浥; 周德正; 刘畅; 何仕为; 贾健; 曾月婷; 谢旭林
Original assignee: China Tobacco Chongqing Industrial Co Ltd
Current assignee: China Tobacco Chongqing Industrial Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-03-26
Anticipated expiration: 2030-05-28

Abstract

The utility model belongs to the field of cigarette machine operation monitoring, and relates to a cigarette machine torque monitoring clutch. The technical means adopted by the utility model are: a torque monitoring clutch for a cigarette machine, comprising a fixed plate, an input gear, a clutch disc, and an interference fit connection with the input gear; one end of an output shaft is connected with the clutch disc through a spline; the fixed plate It is connected with one end of the output shaft through a bearing; the pressure regulating device is sleeved on the output shaft and is fixedly connected with the other end of the clutch disc; the monitoring device is sleeved on the output shaft for monitoring the torque that the clutch disc bears. Adjust the clutch disengagement torque by adjusting the amount of rotation of the round nut. During the operation of the clutch, the torque on the clutch transmission chain can be obtained in real time through the resistance strain gauge arranged on the upper clutch plate. Provides more precise control, including protection of equipment by shutting down when the set torque value is exceeded.

Description

Torque monitoring clutch of cigarette making machine

Technical Field

The utility model belongs to cigarette machine operation monitoring field relates to a cigarette machine torque monitoring clutch.

Background

At present, the method for protecting key equipment from overload damage at home and abroad mainly comprises the following steps: motor current protection is set and by using a mechanical overload clutch. When the motor exceeds the set maximum current, the system alarms to cut off the power supply. This arrangement is simple, but since the motor has a large current fluctuation with a load, and in order to satisfy a high dynamic response of the power output, the instantaneous acceleration of the motor is very large and the instantaneous current is also very large, it is difficult to find an optimum point between the two. The mechanical overload clutch has a torque range which is difficult to reach an ideal state through manual adjustment, or the clutch is separated when full load and normal smoke are discharged, or the clutch cannot be separated when overload occurs, so that the safety of equipment is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the aforesaid and have the moment of torsion scope to hardly reach ideal state through manual adjustment, the clutch breaks away from when perhaps appearing fully loaded with normal cigarette, and the clutch can not break away from when perhaps appearing transshipping, seriously influences the problem of the safety of equipment, the utility model provides a cigarette machine moment of torsion monitoring clutch that can obtain the moment of torsion size of driving chain through the moment of torsion monitoring, can provide safety protection's cigarette machine moment of torsion size in real time through the characteristic of safety clutch self again.

In order to achieve the purpose, the technical means adopted by the utility model is that the torque monitoring clutch of the cigarette making machine comprises a fixed plate, an input gear and a clutch disc, wherein the clutch disc is connected with the input gear in an interference fit way; one end of the output shaft is connected with the clutch disc through a spline; the fixed plate is connected with one end of the output shaft through a bearing; the pressure adjusting device is sleeved on the output shaft and is fixedly connected with the other end of the clutch disc; and the monitoring device is sleeved on the output shaft and used for monitoring the borne torque of the clutch disc.

Preferably, the clutch plate includes: a lower clutch plate and an upper clutch plate; a plurality of circular grooves are formed in the opposite surfaces of the lower clutch disc and the upper clutch disc; the plurality of circular grooves on the lower clutch disc or the upper clutch disc are circularly arranged along the circumferential direction; a ball is arranged between the upper clutch disc and the lower clutch disc; two ends of the ball are respectively placed in the circular grooves corresponding to the upper clutch disc and the lower clutch disc.

Preferably, a hole is formed in the center of the upper clutch disc; a connecting ring is arranged in the hole, and a fixed beam structure is arranged between the connecting ring and the upper clutch disc; one end of the fixed beam structure is fixedly connected with the outer wall of the connecting ring, and the other end of the fixed beam structure is fixedly connected with the inner wall of the upper clutch; the connecting ring is connected with the output shaft through a spline.

Preferably, the pressure adjusting device comprises a plurality of springs fixedly arranged on the back surface of the upper clutch disc; one end of the spring is fixedly connected with the upper clutch disc, and the other end of the spring is fixedly provided with a pressure disc and is fixedly connected with one surface of the pressure disc; the pressure plate is sleeved on the output shaft and connected with the output shaft through a spline; the other side of the pressure plate is in contact with the lower surface of the nut.

Preferably, the nut is sleeved on the output shaft, and an internal thread is engraved on the inner wall of the nut; the output shaft is also engraved with external threads at the position corresponding to the nut; the nut is sleeved on the output shaft and is in threaded connection with the output shaft.

Preferably, the monitoring device comprises a slip ring and a plurality of resistance strain gauges; the slip ring is sleeved on the output shaft and is rotationally connected with the output shaft; and the resistance strain gauge is fixedly arranged on the fixed beam structure and is electrically connected with the slip ring.

Preferably, the resistance strain gauges are fixedly arranged on two sides of the fixed beam structure and used for monitoring deformation force generated by the fixed beam structure in response to torque during transmission.

The utility model has the advantages that: and the upper clutch disc is driven to rotate under the condition that the clutch disengagement torque is not exceeded, and the upper clutch disc drives the output shaft to rotate through the spline, so that the stable output of power is completed. The disengagement torque of the clutch can be adjusted by adjusting the amount of rotation of the round nut. Because the torque detection sensor is arranged on the upper clutch disc, the torque on the transmission chain of the clutch can be acquired in real time through the resistance strain gauge arranged on the upper clutch disc in the running process of the clutch. More precise control is provided than a clutch without a resistive strain gauge that can only rely on clutch disengagement to protect the device, including by way of shutdown to protect the device in the event that a set torque value is exceeded.

Drawings

FIG. 1 is a schematic view of the overall structure of a torque monitoring clutch of a cigarette making machine;

FIG. 2 is an enlarged schematic view of the upper clutch plate;

fig. 3 is a schematic diagram of a specific arrangement of the resistance strain gauges.

Wherein: 1. the device comprises a slip ring, 2, an output shaft, 3, a nut, 4, a pressure plate, 5, a spring, 6, an upper clutch plate, 7, balls, 8, a lower clutch plate, 9, an input gear, 10, a bearing, 11, a fixed plate, 12, a resistance strain gauge, 13, a connecting ring, 14 and a fixed beam structure.

Detailed Description

The following description is given by way of specific embodiments, and those skilled in the art will appreciate the advantages and effects of the present invention from the disclosure provided in the present specification. It should be noted that the drawings provided in the following embodiments are only for illustrative purposes, and are only schematic drawings rather than actual drawings, which should not be construed as limiting the invention, and in order to better illustrate the embodiments of the invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "front", "back", etc. indicating the orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, therefore the terms describing the position relationship in the drawings are used only for exemplary illustration, and not for limiting the present invention, and those skilled in the art can understand the specific meaning according to the specific situation.

A torque monitoring clutch of a cigarette making machine comprises a fixing plate 11, an input gear 9, a clutch disc, an output shaft 2, a pressure adjusting device and a monitoring device. The fixed plate 11 is connected to one end of the output shaft 2 via a bearing 10. The input gear 9 is splined to the output shaft 2.

The clutch disc is connected with the input gear 9 in an interference fit manner. The clutch disc includes: a lower clutch disk 8 and an upper clutch disk 6. The opposite faces of the lower clutch plate 8 and the upper clutch plate 6 are provided with a plurality of circular grooves. A plurality of circular grooves on the lower clutch disk 8 or the upper clutch disk 6 are circularly arranged along the circumferential direction. Balls 7 are arranged between the upper clutch disc 6 and the lower clutch disc 8, and two ends of each ball 7 are respectively placed in the circular grooves corresponding to the upper clutch disc 6 and the lower clutch disc 8.

The upper clutch disk 6 and the lower clutch disk 8 are both sleeved on the output shaft 2, and the lower clutch disk 8 is in interference fit with the input gear 9 and is in clearance fit with the output shaft 2.

The center of the upper clutch disc 6 is provided with a hole, a connecting ring 13 is arranged in the hole, and the connecting ring 13 and the upper clutch disc 6 are provided with a fixed beam structure 14. One end of the fixed beam structure 14 is fixedly connected with the outer wall of the connecting ring 13, and the other end is fixedly connected with the inner wall of the upper clutch 6. The connecting ring 13 is connected with the output shaft 2 through a spline.

And the pressure adjusting device is sleeved on the output shaft 2 and is fixedly connected with the other end of the clutch disc. The pressure regulating device comprises a plurality of springs 5 fixedly arranged on the back surface of an upper clutch plate 6. One end of the spring 5 is fixedly connected with the upper clutch disc 6, and the other end of the spring is fixedly provided with the pressure plate 4 and is fixedly connected with one surface of the pressure plate 4. The back of the pressure plate 4 is provided with a nut 3.

The nut 3 is sleeved on the output shaft 2, and internal threads are carved on the inner wall. One end of the output shaft 2 is connected with the clutch disc through a spline. The output shaft 2 is also engraved with external threads at the position corresponding to the nut 3, and the nut 3 is sleeved on the output shaft 2 and is in threaded connection with the output shaft 2. The pressure plate 4 is sleeved on the output shaft 2 and is in splined connection with the output shaft 2; the other surface of the pressure plate 4 is contacted with the lower surface of the nut 3.

And the monitoring device is sleeved on the output shaft 2 and used for monitoring the borne torque of the clutch disc. The monitoring device comprises a slip ring 1 and a plurality of resistance strain gauges 12. The slip ring 1 is sleeved on the output shaft 2 and is rotationally connected with the output shaft 2. The resistance strain gauge 12 is fixedly arranged on the fixed beam structure and is electrically connected with the slip ring 1.

The output shaft 2 is externally threaded at the position of the mounting nut 3, and is provided with external splines at the positions of the upper clutch plate 6 and the pressure plate 4, but the connection positions with the slip ring 1, the lower clutch plate 8 and the bearing 10 are optical axes.

The resistance strain gauges 12 are fixedly arranged on two sides of the fixed beam structure 14 and used for monitoring deformation force of the fixed beam structure 14 caused by torque during transmission.

The working principle of this application does:

this cigarette machine moment of torsion monitoring clutch passes through fixed plate 11 to be installed on the cigarette machine stores up the tobacco bowl, and the motor passes through input gear 9 and is connected with the clutch, and output shaft 2 is connected with storage tobacco bowl executive component, accomplishes the installation of clutch.

In operation, the motor rotates the input gear 9, which in turn rotates the lower clutch disk 8. Since the nut 3 generates pressure on the pressure plate 4, the upper clutch plate 6 and the lower clutch plate 8 do not slip within the allowable torque range, so that the upper clutch plate 6 is driven to rotate, and the output shaft 2 is driven to rotate. After the torque value exceeds the set value, because the upper clutch disk 6 is connected with the lower clutch disk 8 through the balls 7, in this time, because the torque is too large, the upper clutch disk 6 slides with the lower clutch disk 8, and the effect of protecting the output shaft 2 and the motor is achieved.

The device further comprises an upper computer, wherein the upper computer is electrically connected with the slip ring 1 and used for collecting numerical values monitored by the resistance strain gauge 12, so that the torque at the clutch disc is monitored in real time. The positive pressure between the upper clutch disc 6 and the balls 7 is adjusted by screwing the nut 3, so that the adjustment of the safe disengagement torque of the clutch is realized.

The clutch can adjust the disengagement torque of the clutch by adjusting the rotation amount of the round nut 3. Because the torque detection sensor is arranged on the upper clutch plate 6, the torque on the transmission chain of the clutch can be obtained in real time through the resistance strain gauge 12 arranged on the upper clutch plate 6 in the running process of the clutch. Compared to clutches without the resistive strain gages 12 that rely solely on clutch disengagement to protect equipment, more precise control is provided, including safety by shutdown in the event a set torque value is exceeded.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. A cigarette machine torque monitoring clutch, comprising a fixed plate and an input gear, is characterized in that, also comprises:

The clutch disc is connected with the input gear by interference fit;

One end of the output shaft is connected with the clutch disc through splines;

The fixed plate is connected with one end of the output shaft through a bearing;

The pressure regulating device is sleeved on the output shaft and fixedly connected with the other end of the clutch disc;

A monitoring device, sleeved on the output shaft, is used for monitoring the torque borne by the clutch disc.

2. A cigarette machine torque monitoring clutch according to claim 1, wherein the clutch disc comprises a lower clutch disc and an upper clutch disc; the opposite surfaces of the lower clutch disc and the upper clutch disc are There are several circular grooves; the several circular grooves on the lower clutch disc or the upper clutch disc are arranged in a circle along the circumferential direction; there is a Balls; both ends of the balls are respectively placed in the circular grooves corresponding to the upper clutch disc and the lower clutch disc.

3 . The torque monitoring clutch for a cigarette machine according to claim 2 , wherein a hole is opened in the center of the upper clutch disc; a connecting ring is arranged in the hole, and the connecting ring is connected to the A fixed beam structure is arranged between the upper clutch discs; one end of the fixed beam structure is fixedly connected with the outer wall of the connecting ring, and the other end is fixedly connected with the inner wall of the upper clutch; the connecting ring and the output shaft are connected by splines.

4 . The torque monitoring clutch for a cigarette machine according to claim 2 , wherein the pressure regulating device comprises a plurality of springs fixedly installed on the back of the upper clutch plate; one end of the spring is connected to the upper clutch plate. 5 . Fixed connection, the other end of the spring is fixedly installed with a pressure plate, and the other end of the spring is fixedly connected to one side of the pressure plate; the back of the pressure plate is provided with a nut, the pressure plate is sleeved on the output shaft, and is connected with the pressure plate. The output shaft is connected with splines; the other side of the pressure plate is in contact with the lower surface of the nut.

5 . The torque monitoring clutch for a cigarette maker according to claim 4 , wherein the nut is sleeved on the output shaft, and an inner thread is engraved on the inner wall; the output shaft is at a position corresponding to the nut. 6 . The outer thread is also engraved; the nut is sleeved on the output shaft and is threadedly connected with the output shaft.

6 . The torque monitoring clutch for a cigarette machine according to claim 3 , wherein the monitoring device comprises a slip ring and a plurality of resistance strain gauges; the slip ring is sleeved on the output shaft and is rotatably connected with the output shaft. 7 . ; The resistance strain gauge is fixedly installed on the fixed beam structure and electrically connected with the slip ring.

7. A cigarette machine torque monitoring clutch according to claim 6, wherein the resistance strain gauges are fixedly installed on both sides of the fixed beam structure to monitor the torque generated by the fixed beam structure during transmission deformation force.