Servo cutter machine

Abstract

The utility model discloses a servo cutter machine, and belongs to the technical field of chemical production equipment. An eccentric wheel is rotationally mounted at the upper end of the working bracket; the first servo motor is installed at the upper end of the working support and used for driving the eccentric wheel to rotate. The sliding plate is slidably installed on the side of the working support. An adjustable connecting rod is hinged between the sliding plate and an eccentric shaft of the eccentric wheel; the cutter is fixedly connected to the lower end of the sliding plate; the laser sensor is installed on one side of the cutter, and a laser beam is parallel to the moving direction of the cutter and has a certain distance from the cutter. According to the device, the rapid and stable cutting action can be realized, and the on-line cutting efficiency of the grain is improved; the stability and the accuracy of the cutting process can be ensured by accurately regulating and controlling key parameters such as torque, speed and precision, so that the overall quality of a product is improved; by arranging an organ cover, a temperature measuring sensor and a brass partition plate, the safety of production operation is improved, and the device is suitable for different working scenes and chemical powder characteristics.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical production equipment, and specifically relates to a servo cutter machine suitable for fast cutting operation of strip-shaped propellant grains. BACKGROUND

[0002] In the production process of the chemical industry, especially in the field of chemical powder processing, extruding powder into strip-shaped propellant grains is a common process step. However, the subsequent propellant grain cutting link often faces many challenges, affecting the overall production efficiency and product quality. Some cutting equipment exists on the current market, which meets the basic needs to a certain extent, but still has significant shortcomings. When dealing with propellant grains extruded from chemical powder, the following main problems are exposed:

[0003] Motor speed and cutting efficiency: traditional cutting equipment is often limited by motor speed, making it difficult to achieve fast and continuous cutting action in a short time, resulting in low overall production efficiency and failing to meet the demand for high speed and high efficiency in modern chemical production.

[0004] Cutting precision and time control: cutting precision and time control are crucial in the process of cutting propellant grains. Existing equipment is not accurate enough in cutting time control, making it difficult to achieve cutting in a short time, affecting the continuity and stability of propellant grain cutting, resulting in uneven cutting surface and uneven size.

[0005] Chemical powder adaptability: the types of chemical powder used in the chemical industry are diverse, with different characteristics. Existing cutting equipment often lacks sufficient adaptability and flexibility when dealing with different types of chemical powder, and cannot accurately adjust according to the physical and chemical properties of the powder, thus affecting the cutting effect and product quality.

[0006] Performance in special working environment: under special working conditions such as dust environment, existing cutting equipment lacks effective protection measures and is easily affected by dust and other pollutants, resulting in reduced equipment performance, shortened service life, and even potential safety hazards. At the same time, it is often difficult to meet the special requirements of explosion-proof and other special requirements.

[0007] Existing cutting equipment still has deficiencies in intelligence and automation, lacks advanced sensors and control systems, and is difficult to achieve transparency, traceability, remote monitoring and fault warning functions in the production process. INVENTION CONTENTS

[0008] The utility model aims to provide a servo cutter machine to solve one or more technical problems in the background art.

[0009] The utility model adopts the following technical scheme: a servo cutter machine, comprising:

[0010] The working support is provided with vertical slide rails on the side surface, and an eccentric wheel is rotatably installed on the upper end of the working support;

[0011] A first servo motor is installed on the upper end of the working support and used for driving the eccentric wheel to rotate;

[0012] A slide plate is slidably installed on the slide rails on the side surface of the working support; and an adjustable connecting rod is hingedly connected between the slide plate and the eccentric shaft of the eccentric wheel;

[0013] A cutter is fixedly connected to the lower end of the slide plate;

[0014] A laser sensor is installed on one side of the cutter; the laser column emitted by the laser sensor is parallel to the moving direction of the cutter and has a certain distance from the cutter.

[0015] Preferably, the output end of the first servo motor is connected with a transmission shaft through a shaft coupling, and the other end of the transmission shaft is connected with the eccentric wheel.

[0016] Preferably, the end of the transmission shaft close to the eccentric wheel is rotatably connected with the working support through a bearing; and a temperature measuring sensor for monitoring the temperature of the bearing is arranged on the working support on the side of the bearing.

[0017] Preferably, an inductive sheet is fixed on the tangential position of the eccentric wheel, and a proximity switch matched with the inductive sheet is fixed on the working support on the side of the eccentric wheel.

[0018] Preferably, brass partitions are fixed on both sides of the slide plate, the brass partitions are slidably installed on the slide rails on the side surface of the working support; organ cases are respectively fixed on the upper and lower ends of the brass partitions and the slide plate, and a sealed structure is formed between the brass partitions, the slide plate, the organ cases and the working support.

[0019] Preferably, the adjustable connecting rod comprises:

[0020] A right-hand thread adjusting arm is hingedly connected to the eccentric shaft of the eccentric wheel on the upper end;

[0021] A left-hand thread adjusting arm is hingedly connected to an axle seat on the lower end, and the axle seat is fixed on the slide plate;

[0022] A right-left thread adjusting bolt is threadedly connected with the lower end of the right-hand thread adjusting arm and the upper end of the left-hand thread adjusting arm.

[0023] Preferably, a cutter support is fixed on the slide plate, a clamping groove is arranged in the cutter support, and the cutter is fixed in the clamping groove of the cutter support.

[0024] Preferably, the laser sensor is fixedly installed on a servo module; the servo module is supported by double linear guide rails, and a second servo motor is connected to one end of the servo module away from the laser sensor, and the second servo motor is used to drive the servo module to move along the double linear guide rails.

[0025] The utility model discloses the beneficial effects are:

[0026] The first servo motor adopts a servo high-speed motor, cooperates with an efficient transmission structure, realizes quick and stable cutting action, can shorten the cutting time to 0.1-0.2 seconds, improves the efficiency of the online cutting of the pill, and meets the demand of large-scale production of the chemical industry.

[0027] In the cutting quality, through the accurate control of torque, speed and precision and other key parameters, the stability and accuracy of the cutting process can be ensured, the size of the cut pill is uniform, the perpendicularity reaches a high standard, and the overall quality of the product is improved.

[0028] For the special working environment of the chemical industry, the utility model sets up an organ case, a temperature measuring sensor and a brass partition plate; the organ case and the brass partition plate can effectively isolate dust pollution, protect the internal precision components of the equipment from dust interference, meet the special safety requirements such as explosion prevention, monitor the bearing temperature in the high-load bearing position in real time through the temperature measuring sensor, and set up an overheating and overload protection mechanism, improve the safety of production operation, and can easily cope with different working scenes and chemical powder characteristics. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0030] Figure 1 A perspective view (first visual angle) of a servo cutter machine provided by the utility model embodiment.

[0031] Figure 2 A perspective view (second visual angle) of a servo cutter machine provided by the utility model embodiment.

[0032] Figure 3 For Figure 1 The installation schematic view of the laser sensor.

[0033] Label explanation: 1, the first servo motor; 2, temperature sensor; 3, eccentric wheel; 4, positive and negative rotation adjusting bolt; 5, tool support; 6, cutter; 7, brass partition; 8, organ cover; 9, work support; 10, proximity switch; 11, shaft coupling; 12, transmission shaft; 13, inductive sheet; 14, sliding plate; 16, positive rotation threaded adjusting arm; 17, negative rotation threaded adjusting arm; 18, laser sensor; 19, servo module; 20, second servo motor; 21, shaft seat. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] Embodiment one:

[0036] As shown in Figure 1 , Figure 2 , the utility model provides a kind of servo cutter machine. The first servo motor 1 of horizontally arranged upper end fixed with work support 9, first servo motor 1 is connected transmission shaft 12 by shaft coupling 11, and the other end of transmission shaft 12 is fixedly connected eccentric wheel 3. First servo motor 1 drives eccentric wheel 3 to rotate by shaft coupling 11, transmission shaft 12. The end of transmission shaft 12 close to eccentric wheel 3 is rotatably connected with work support 9 by bearing, and temperature sensor 2 is arranged on the upper side of bearing. Temperature sensor 2 is fixed on work support 9, and temperature sensor 2 is in close contact or close inductive with bearing surface, to obtain the temperature data of bearing in real time accurately, and feedback to control system. When cutter machine operates, temperature sensor 2 senses the temperature of bearing at transmission shaft 12, and prewarning is carried out according to control system temperature setting, and red is displayed when exceeding safe temperature, and data is rapidly transmitted to control system.

[0037] The eccentric shaft of eccentric wheel 3 drives sliding plate 14 by adjustable connecting rod, and cutter 6 is arranged at the lower end of sliding plate 14, and cutter 6 moves up and down along with sliding plate 14 to cut off material. Inductive sheet 13 is fixed at the tangential position of eccentric wheel 3, and proximity switch 10 is arranged on one side of eccentric wheel 3. Proximity switch 10 is fixed on work support 9, and is used for cooperating with inductive sheet 13. In the embodiment, when inductive sheet 13 is touched to the inductive area of proximity switch 10 by eccentric wheel 3, it is regarded as the signal of intermittent cutting, and cutter stops working. In the working process of cutter, proximity switch 10 monitors the stop position of eccentric wheel 3 in real time, and when medicine column enters the effective working area of cutter, first servo motor 1 immediately drives eccentric wheel 3 to rotate, and triggers cutter to start pulse cutting action.

[0038] The working support 9 adopts a full welding design to prevent dust accumulation, and its rigidity is sufficient to meet the cutting requirements of the cutter 6. The working support 9 is provided with vertical sliding rails on the side surface; the sliding plate 14 is made of an aluminum alloy plate with conductive treatment, and the two sides of the sliding plate 14 are welded with brass partitions 7, which are slidingly installed on the sliding rails on the side surface of the working support 9; the brass partitions 7 and the sliding plate 14 slide up and down under the driving of the eccentric wheel 3 and the adjustable connecting rod. An organ case 8 is fixedly connected to the upper and lower ends of the brass partitions 7 and the sliding plate 14, respectively, and the end of the organ case 8 away from the sliding plate 14 is sealingly fixed with the working support 9, so that a sealed structure is formed between the brass partitions 7, the sliding plate 14, the organ case 8 and the working support 9. The setting of the brass partitions 7 and the organ case 8 meets the requirements of dust protection and electrical conductivity.

[0039] The cutter support 5 is fixed on the side surface of the sliding plate 14 by bolts, and the cutter support 5 serves as a cutter carrier, and its rigidity is ensured by full welding of the steel plate. The cutter support 5 is provided with a clamping groove, and the cutter 6 is fixed in the clamping groove on the cutter support 5 by bolts, and the stress of the cutter 6 during cutting is transmitted to the cutter support 5. In this embodiment, the cutter 6 is made of high-strength white steel material, which has a sharp blade and good wear resistance. The shape of the cutter blade cutting edge matches the shape of the cartridge and the cutting requirement. The surface of the blade 6 is treated by coating to enhance its corrosion resistance and adhesion resistance, prevent chemical powder from adhering to the surface of the blade, and ensure that the blade always maintains good cutting performance.

[0040] In this embodiment, the first servo motor 1 adjusts the speed according to the expected demand, and reduces the speed to a suitable speed range for the cutter to work. The torque of the first servo motor 1 is constant in the range of 0-3000 rpm, and the cutting force can be maintained in the rated state. The first servo motor 1 directly drives the eccentric wheel 3 and the force arm (adjustable connecting rod, sliding plate) to stably deliver to the cutter part, ensures that the cutter 6 can obtain stable and continuous power support during the working process, and improves the working stability and reliability of the equipment.

[0041] Embodiment two:

[0042] On the basis of the above-mentioned embodiment one, combined with Figure 1 and Figure 2As shown in the embodiment, the adjustable connecting rod includes a right-hand threaded adjusting arm 16, a left-hand threaded adjusting arm 17 and a right-left threaded adjusting bolt 4. The upper end of the right-hand threaded adjusting arm 16 is hinged to the eccentric shaft of the eccentric wheel 3, the lower end of the left-hand threaded adjusting arm 17 is hinged to the shaft seat 21 which is fixed to the sliding plate 14 by bolts. The upper and lower ends of the right-left threaded adjusting bolt 4 are respectively screwed to the lower end of the right-hand threaded adjusting arm 16 and the upper end of the left-hand threaded adjusting arm 17. The right-left threaded adjusting bolt 4 adopts right-left threaded screws, and the relative position of the blade 6 and the eccentric wheel 3 can be adjusted by rotating the right-left threaded adjusting bolt 4 with a wrench, thereby controlling the height of the cutter 6.

[0043] Embodiment three:

[0044] On the basis of the above-mentioned embodiment two, combined with Figures 1 to 3 As shown in the embodiment, the lower part of the cutter 6 is provided with a laser sensor 18 with an explosion-proof grade, and the laser sensor 18 is fixedly installed on a servo module 19. The servo module 19 is supported by double linear guides, and the end of the servo module 19 away from the laser sensor 18 is connected with a second servo motor 20, and the second servo motor 20 is used to drive the servo module 19 to move along the double linear guides, thereby adjusting the position of the laser sensor 18.

[0045] The laser beam emitted by the laser sensor 18 is parallel to the moving direction of the cutter 6 and has a certain distance from the cutter 6. In this embodiment, the diameter of the laser beam of the laser sensor 18 is between 1-3mm; during work, the cartridge moves vertically to the moving direction of the cutter 6, when the cartridge touches the laser, the first servo motor 1 starts to drive the cutter 6 to cut off the cartridge; the length of the cartridge cut off can be adjusted and controlled by the second servo motor 20.

[0046] As can be seen from the above embodiment, the technical means of the utility model solves the deficiencies of the traditional cutting device in efficiency, adaptability, protection and control, etc.

[0047] High-efficiency power transmission system: the first servo motor is an explosion-proof high-speed servo motor, and its rotating speed can reach 3000rpm. The power is accurately and efficiently transmitted to the cutter component through the transmission system. The transmission system is precisely calculated and debugged to ensure that the power transmission process has minimal loss, so that the cutting time is strictly controlled within 0.1 to 0.2 seconds, meeting the high requirements of large-scale chemical production on cutting speed;

[0048] Precise cutting mechanism: the cutter component is made of alloy material, which has excellent wear resistance and corrosion resistance, ensuring that it remains sharp even under long-term high-load work, and ensuring the flatness and accuracy of the cutting surface. The cooperation of the cutter and the transmission system is carefully debugged to ensure that the cutting action is rapid and stable, reducing vibration and impact and improving cutting quality;

[0049] All-around dust protection design: in view of the dust pollution problem of chemical industry, the organ case is installed in the key area of the equipment external dust easy to produce, dust is effectively isolated from entering the equipment inside, and the internal precision components are protected from damage;

[0050] Intelligent temperature monitoring and protection system: high-precision temperature measurement sensor is configured, temperature change is monitored in real time, and overheating and overload protection mechanism in the control system is used to automatically cut off the power supply in abnormal conditions, prevent overheating from causing safety problems, and ensure production safety;

[0051] The key protection of the cutter movement part is carried out by using brass partition plate, which can effectively resist the corrosion of chemical powder, prevent sparks generated by friction, and use the excellent conductivity of copper to discharge static electricity.

[0052] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model claims and their equivalent technologies, the utility model also intends to include these modifications and variations.

Claims

1. A servo cutter machine characterized in that, The utility model provides a cutting device for cutting machine, including: Work support (9), the side is provided with vertical slide rail, the upper end rotatory installation has eccentric wheel (3); First servo motor (1), install in work support (9) upper end, be used for driving eccentric wheel (3) rotation; Slide plate (14), slide installation in work support (9) side slide rail, the slide plate (14) with eccentric shaft between eccentric wheel (3) articulate and have adjustable connecting rod; Cutter (6), fixedly connected in slide plate (14) lower end; Laser sensor (18), install in cutter (6) one side, the laser light column that laser sensor (18) emits is parallel with cutter (6) moving direction, and with cutter (6) between a certain distance.

2. A servo trimmer machine according to claim 1 wherein: The output end of first servo motor (1) is connected with transmission shaft (12) through shaft coupling (11), and the other end of transmission shaft (12) is connected with eccentric wheel (3).

3. A servo trimmer machine according to claim 2 wherein: The end of transmission shaft (12) close to eccentric wheel (3) is rotatably connected with work support (9) through bearing, and temperature measuring sensor (2) for monitoring bearing temperature is arranged on the work support (9) on the side of bearing.

4. A servo trimmer machine according to claim 1 wherein: The tangential position of eccentric wheel (3) is fixed with inductive sheet (13), and the work support (9) on the side of eccentric wheel (3) is fixed with proximity switch (10) matched with inductive sheet (13).

5. A servo trimmer machine according to claim 1 wherein: The both sides of slide plate (14) are fixed with brass baffle (7), and brass baffle (7) is slidably installed on the slide rail of the side of work support (9);Piano case (8) is fixed on the upper and lower ends of brass baffle (7) and slide plate (14) respectively, and a sealed structure is formed between brass baffle (7), slide plate (14), piano case (8) and work support (9).

6. A servo trimmer machine according to claim 1 wherein, The adjustable connecting rod includes: Right-hand thread adjusting arm (16), the upper end is hinged on the eccentric shaft of eccentric wheel (3); Left-hand thread adjusting arm (17), the lower end is hinged on shaft seat (21), and shaft seat (21) is fixed on slide plate (14); Right and left rotation adjusting bolt (4), both ends are respectively screwed with the lower end of right-hand thread adjusting arm (16) and the upper end of left-hand thread adjusting arm (17).

7. A servo trimmer machine according to claim 1 wherein, The cutter holder (5) is fixed on the slide plate (14), the cutter holder (5) is provided with a clamping groove, and the cutter (6) is fixed in the clamping groove of the cutter holder (5).

8. A servo trimmer machine according to claim 1 wherein: The laser sensor (18) is fixedly installed on the servo module (19), the servo module (19) is supported by double linear guide rails, the second servo motor (20) is connected to the end of the servo module (19) away from the laser sensor (18), and the second servo motor (20) is used to drive the servo module (19) to move along the double linear guide rails.

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