A high-speed filter rod forming equipment cutting cutter dynamic balance on-line detection device

Abstract

The application discloses a kind of high-speed filter rod forming equipment cutting cutter disc dynamic balance online detection device, including base, cutter disc assembly and rotating assembly, the cutter disc assembly is rotationally arranged on base by the rotating assembly, still including annular pressure sensor, the annular pressure sensor is set on the rotating shaft of rotating assembly, and annular pressure sensor does not rotate with the rotating shaft of rotating assembly, PLC control unit is equipped on the rotating assembly, and the annular pressure sensor is electrically connected with PLC control unit.Solve the existing high-speed filter rod forming equipment cutting cutter disc after using a period of time due to the wear of use will exist dynamic imbalance phenomenon, and the dynamic balance of cutting cutter disc cannot be detected, there is certain security risk problem.

Description

Technical Field

[0001] This invention relates to the field of tobacco filter rod processing technology, and in particular to an online dynamic balance detection device for the cutting disc of a high-speed filter rod forming equipment. Background Technology

[0002] Filter rods are one of the most important cigarette materials in the cigarette industry. They play a crucial role in the development of cigarettes to "remove tar and reduce harm," therefore, strict quality control is necessary during cigarette production. Filter rods need to be cut during production, which requires filter rod cutting and forming equipment.

[0003] Existing high-speed filter rod forming equipment uses a rotating cutting disc to drive blades on a lower cutting head to cut filter rods from bottom to top. To ensure the cutting quality of the filter rods, the cutter can automatically feed and be sharpened. Automatic feeding is accomplished by a feeding mechanism, and sharpening is accomplished by a sharpening device. The cutting feed frequency can be manually set according to the wear condition of the cutter, and the feed time is related to the number of filter rods being cut.

[0004] In existing high-speed filter rod forming equipment, when the cutting disc reaches a preset feed count, the equipment displays an alarm message via a graphic display system, and the VISU system requests a cutter replacement. If the cutter is not replaced, a programmed shutdown will occur after the maximum feed count is reached.

[0005] However, the cutting discs of existing high-speed filter rod forming equipment will exhibit dynamic imbalance due to wear after a period of use, and the dynamic balance of the cutting discs cannot be detected, posing certain safety hazards. Summary of the Invention

[0006] This invention provides an online dynamic balance detection device for the cutting disc of a high-speed filter rod forming equipment, aiming to solve the problems in the background art.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] An online dynamic balance detection device for a cutting disc of a high-speed filter rod forming equipment includes a base, a cutting disc assembly, and a rotating assembly. The cutting disc assembly is rotatably mounted on the base via the rotating assembly. The device also includes an annular pressure sensor, which is sleeved on the rotating shaft of the rotating assembly and does not rotate with the rotating shaft. A PLC control unit is provided on the rotating assembly, and the annular pressure sensor is electrically connected to the PLC control unit.

[0009] In some embodiments, the cutter head assembly includes a cutter head body, which is connected to the rotation shaft of the rotating assembly via a flange.

[0010] In some embodiments, the flange is provided with a pressure block adapted to the annular pressure sensor, the pressure block abutting against the annular pressure sensor.

[0011] In some embodiments, a laser rangefinder is provided on the base, and a reflective coating is provided on the side wall of the cutter head near the rotating assembly. The reflective coating is disposed within the sensing range of the laser rangefinder, and the laser rangefinder is signal-connected to a PLC control unit.

[0012] In some embodiments, the laser rangefinder is provided in multiple sets, with the multiple sets of laser rangefinders arranged in a ring array on the base at positions corresponding to the reflective coating.

[0013] In some embodiments, the reflective coating is arranged in a ring shape.

[0014] In some embodiments, the PLC control unit includes a control module, a signal receiving module, an unbalanced parameter calculation module, and an information sending module. The control module controls the laser rangefinder to turn on and off via signals. The signal receiving module is electrically connected to a ring pressure sensor and is used to acquire the pressure information of the ring pressure sensor. The signal receiving module is also connected to the laser rangefinder and is used to acquire the distance information measured by the laser rangefinder.

[0015] In some embodiments, the system further includes a handheld mobile terminal and an alarm module. The information sending module is signal-connected to the handheld mobile terminal and sends the calculated imbalance parameter information to the handheld mobile terminal. The alarm module then issues an audible and visual alarm signal.

[0016] In some embodiments, annular counterweight mounting grooves are provided on both sides of the cutter head body, and annular counterweight blocks are provided in the counterweight mounting grooves.

[0017] The beneficial effects of this invention compared to the prior art are:

[0018] (1) The polymer mounting base uses polymer materials, overcoming the shortcomings of metal materials such as poor vibration isolation, lack of insulation, and easy damage to brittle piezoelectric ceramic sheets. It plays a role in vibration isolation, mechanical filtering to reduce noise, and can also provide effective insulation protection for exposed ceramic parts, improving the environmental protection level. It can also ensure that the blades can be rigidly fixed in the metal base.

[0019] (2) Existing technology of combined piezoelectric fans uses blades with the same driving phase to prevent mutual interference between blades, and the oscillation of the blades in the same group is in the same direction. However, the consequence is that the vibration of multiple blades is superimposed, resulting in large resonance with the base and high noise. Combined piezoelectric fans using two sets of fan blades on the left and right sides have opposite driving phases, and the resonance between the blades and the base will cancel each other out. As the resonance of the base decreases, the overall noise of the fan also decreases.

[0020] (3) The online dynamic balance detection device for the cutting disc of the high-speed filter rod forming equipment cleverly utilizes the different materials in the design of the clamping blade material and structure. It uses a relatively soft polymer material to achieve primary mechanical filtering between the base and the blade, thus achieving a certain vibration isolation effect. At the same time, the polymer clamp provides insulation protection for the exposed ceramic material of the blade, improving the environmental protection level of the blade. In conjunction with the design of the base and the rearrangement of the blades on the base, the original set of blades with the same phase of the fan is arranged into two sets of blades with opposite phases. Under the drive of the power supply, the two sets of blades are in opposite phases, forming two sets of blades facing each other, which greatly reduces the resonance between the blades and the base and reduces noise.

[0021] (4) The online dynamic balance detection device for the cutting disc of the high-speed filter rod forming equipment has a wider range of applications, a better market prospect, and is easier to achieve mass production, resulting in higher economic and social benefits. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the cutter head body.

[0024] Figure 3 This is a schematic diagram of the PLC control unit.

[0025] The specific reference numerals in the figure are: 1-base, 2-cutterhead assembly, 3-rotating assembly, 4-ring pressure sensor, 5-laser rangefinder, 21-cutterhead body, 22-flange, 23-pressure block, 24-reflective coating, 25-counterweight mounting groove, 26-counterweight block. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below with reference to the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of this application. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0027] The embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0028] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an indirect connection through an intermediate medium, or the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0029] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0030] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such that a process, method, system, product, or display that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or display.

[0031] The following will combine Figure 1-3 This application provides a detailed description of an online dynamic balance detection device for the cutting disc of a high-speed filter rod forming equipment, as described in the embodiments of this application. It is worth noting that the following embodiments are merely illustrative of this application and do not constitute a limitation thereof.

[0032] Example 1

[0033] An online dynamic balance detection device for a high-speed filter rod forming equipment cutting disc includes a base 1 and a disc assembly 2. The base 1 is provided with a rotating component 3 for driving the rotation of the disc assembly 2. The disc assembly 2 includes a disc body 21, which is connected to the rotating shaft of the rotating component 3 via a flange 22. An annular pressure sensor 4 is sleeved on the rotating shaft of the rotating component 3. The annular pressure sensor 4 is detachably connected to the rotating component 3 and does not rotate with the rotating shaft. A pressure block 23 adapted to the annular pressure sensor 4 is provided on the flange 22. The pressure block 23 abuts against the annular pressure sensor 4. A PLC control unit is provided on the rotating component 3, and the annular pressure sensor 4 is electrically connected to the PLC control unit.

[0034] This application uses a ring-shaped pressure sensor to monitor the circumferential pressure of the cutter head body in real time during rotation. If the pressure value at a certain point exceeds the set threshold, an abnormal pressure value information is sent to the PLC control unit. This solves the problem that the cutting cutter head of existing high-speed filter rod forming equipment will have dynamic imbalance due to wear after a period of use, and the dynamic balance of the cutting cutter head cannot be detected. The dynamic balance of the cutting cutter head can be detected immediately, eliminating potential safety hazards as much as possible.

[0035] Example 2

[0036] This embodiment is a further improvement on embodiment 1. The similarities will not be repeated. A laser rangefinder 5 is provided on the base 1. An annular reflective coating 24 is provided on the side wall of the cutter head 21 near the outer edge of the rotating assembly 3. The reflective coating 24 is located within the sensing range of the laser rangefinder 5. The laser rangefinder 5 is connected to the PLC control unit and is controlled by the PLC control unit.

[0037] The PLC control unit includes a control module, a signal receiving module, an imbalance parameter calculation module, an information sending module, and an alarm module. The control module controls the laser rangefinder 5 to turn on and off via signals. The signal receiving module is electrically connected to the annular pressure sensor 4 and is used to acquire the pressure information of the annular pressure sensor 4. The signal receiving module is also connected to the laser rangefinder 5 and is used to acquire the distance information measured by the laser rangefinder 5. The information sending module is connected to the handheld mobile terminal and sends the calculated imbalance parameter information to the handheld mobile terminal. An audible and visual alarm is provided on the base. The audible and visual alarm is connected to the alarm module and is controlled by the alarm module.

[0038] After receiving the abnormal pressure value, the PLC control unit activates the laser rangefinder, uses multiple laser rangefinders to measure the distance information during rotation, compares it with the set distance value, obtains the offset distance value, and sends it to the unbalance parameter calculation module.

[0039] The imbalance parameter calculation module calculates the dynamic imbalance parameters based on the received abnormal pressure value and offset spacing value, and provides a counterweight adjustment scheme.

[0040] The information sending module sends the dynamic imbalance parameters and the counterweight adjustment plan to the staff's handheld mobile device, and issues an audible and visual alarm signal through the alarm module.

[0041] The laser rangefinder 5 is provided in multiple sets, and the multiple sets of laser rangefinder 5 are arranged in a ring array on the base 1 at positions corresponding to the reflective coating 24. This can improve the accuracy and timeliness of detection.

[0042] Example 3

[0043] Based on the above embodiment, annular counterweight mounting grooves 25 are provided on both sides of the cutter head body 21, and annular counterweight blocks 26 are provided in the counterweight mounting grooves 25. By providing symmetrical annular counterweight blocks 26 on both sides of the cutter head body 21, and the annular counterweight blocks 26 being composed of several sub-counterweight blocks, not only can the rotational stability of the cutter head body 21 be improved, but the counterweight scheme can also be adjusted by adjusting the sub-counterweight blocks.

[0044] Meanwhile, the counterweight adjustment scheme can be implemented by adjusting the number or shape of the sub-counterweights in the counterweight mounting slots 25 on both sides of the cutter head body 21. Each sub-counterweight can be fixed with bolts. When a larger adjustment is required, it can be achieved by increasing or decreasing the number of sub-counterweights. When a smaller adjustment is required, it can be achieved by increasing or decreasing the shape of a single sub-counterweight. For example, a certain weight of material can be welded or glued to the sub-counterweight, or a hole can be drilled.

[0045] The technical solution of the present invention has at least the following advantages and beneficial effects: The present invention, through the setting of a ring pressure sensor, a PLC control core, and a laser rangefinder, can monitor the dynamic balance state of the cutting disc in real time. When a dynamic imbalance phenomenon is detected, the dynamic imbalance parameters and counterweight adjustment scheme are calculated in real time. This solves the problem that the cutting disc of the existing high-speed filter rod forming equipment will have a dynamic imbalance due to wear after a period of use, and the dynamic balance of the cutting disc cannot be detected, which poses certain safety hazards.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An online dynamic balance detection device for a high-speed filter rod forming equipment cutting disc, comprising a base (1), a disc assembly (2), and a rotating assembly (3), wherein the disc assembly (2) is rotatably mounted on the base (1) via the rotating assembly (3), characterized in that: It also includes an annular pressure sensor (4), which is sleeved on the rotating shaft of the rotating assembly (3) and does not rotate with the rotating shaft of the rotating assembly (3). The rotating assembly (3) is equipped with a PLC control unit, and the annular pressure sensor (4) is electrically connected to the PLC control unit. The cutter head assembly (2) includes a cutter head body (21), which is connected to the rotating shaft of the rotating assembly (3) via a flange (22); both sides of the cutter head body (21) are provided with annular counterweight mounting grooves (25), and annular counterweight blocks (26) are provided in the counterweight mounting grooves (25); the annular counterweight blocks are composed of several sub-counterweight blocks, and each sub-counterweight block is fixed by bolts; when a large adjustment is required, it is achieved by increasing or decreasing the number of sub-counterweight blocks; when a small adjustment is required, it is achieved by increasing or decreasing the shape of a single sub-counterweight block, including welding or bonding a certain weight of material to the sub-counterweight block or drilling a hole; The flange (22) is provided with a pressure block (23) adapted to the annular pressure sensor (4), and the pressure block (23) abuts against the annular pressure sensor (4); The base (1) is provided with a laser rangefinder (5), and the cutter head body (21) is provided with a reflective coating (24) on the side wall near the rotating assembly (3). The reflective coating (24) is located in the sensing range of the laser rangefinder (5), and the laser rangefinder (5) is connected to the PLC control unit. The laser rangefinder (5) is provided in multiple sets, and the multiple sets of laser rangefinders (5) are arranged in a ring array on the base (1) at positions corresponding to the reflective coating (24); The reflective coating (24) is arranged in a ring shape; The PLC control unit includes a control module, a signal receiving module, an unbalanced parameter calculation module, and an information sending module. The control module controls the laser rangefinder (5) to turn on and off via a signal. The signal receiving module is electrically connected to the annular pressure sensor (4) and is used to obtain the pressure information of the annular pressure sensor (4). The signal receiving module is also connected to the laser rangefinder (5) and is used to obtain the distance information measured by the laser rangefinder (5). After receiving the abnormal pressure value, the PLC control unit activates the laser rangefinder, uses multiple laser rangefinders to measure the distance information during rotation, compares it with the set distance value, obtains the offset distance value, and sends it to the unbalance parameter calculation module.

2. The online dynamic balance detection device for the cutting disc of a high-speed filter rod forming equipment according to claim 1, characterized in that: It also includes a handheld mobile terminal and an alarm module. The information sending module is connected to the handheld mobile terminal and sends the calculated imbalance parameter information to the handheld mobile terminal. The alarm module then issues an audible and visual alarm signal.

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