CN114378212B - Multi-station tank neck forming equipment driven synchronously at high speed by combined servo - Google Patents
Multi-station tank neck forming equipment driven synchronously at high speed by combined servo Download PDFInfo
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- CN114378212B CN114378212B CN202210129073.5A CN202210129073A CN114378212B CN 114378212 B CN114378212 B CN 114378212B CN 202210129073 A CN202210129073 A CN 202210129073A CN 114378212 B CN114378212 B CN 114378212B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 195
- 230000001360 synchronised effect Effects 0.000 claims abstract description 144
- 238000012545 processing Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 abstract description 10
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009957 hemming Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2692—Manipulating, e.g. feeding and positioning devices; Control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2615—Edge treatment of cans or tins
- B21D51/263—Flanging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2615—Edge treatment of cans or tins
- B21D51/2638—Necking
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
A multi-station tank neck forming device driven synchronously at a high speed by combined servo is characterized in that: defining a workstation positioned at the front position of the equipment flow machining sequence as a B station, and defining a workstation positioned at the rear position as a C station to form a combined form of the B station and the C station, wherein a main turret shaft of the B station is driven by a first servo motor, the B station is provided with a B station transmission shaft, the main turret shaft of the B station and the B station transmission shaft are in gear transmission, and a B station synchronous belt wheel mechanism is adopted for transmission between the B station transmission shaft and the B station transmission shaft; the main turret shaft of the C station and the transmission shaft of the B station are in gear transmission, the C station is provided with a transmission shaft of the C station, the main turret shaft of the C station and the transmission shaft of the C station are in gear transmission, and the transmission turret shaft of the C station are in transmission by adopting a synchronous pulley mechanism of the C station. The scheme utilizes the controllability of the servo motor to maintain the synchronism among all the work stations and the transmission time sequence control precision, simplifies the driving structure and improves the running speed of the equipment.
Description
Technical Field
The invention relates to a tank opening forming device of a metal tank, in particular to a multi-station tank neck forming device driven synchronously at a high speed by a combined servo. Neck forming mainly means that neck forming process processing is completed on the opening of the can body, and further can comprise subsequent processing steps of expanding and adding flanging, hemming or flaring and the like on the basis of the neck forming process.
Background
With the improvement of the living standard of people, the pop-top can is increasingly used in the food and beverage fields, and particularly in beer and beverage packaging, and is more common. The pop can consists of a can body and a pop-top cover, wherein in order to reduce the weight of the pop-top cover and the cost of the pop-top cover, the pop-top can is convenient to pack and transport, and the can body circulated in the market at present can be subjected to necking processing. Furthermore, in order to cover the can body, flanging is required on the basis of necking, and in the case of bottles and cans, flaring, hemming and the like are required.
The neck forming of the pop can requires a set of multi-station neck forming equipment, wherein the neck forming equipment comprises a plurality of die extrusion processes, so that the diameter of the can mouth is gradually reduced until the final required neck size is achieved. In multi-station neck forming equipment, necking stations, flanging stations, can end forming stations, light inspection stations, and the like are typically included. These work stations are combined to form a multi-station neck molding line. Where the necking station is the core of the apparatus, at least two necking stations are typically required.
Along with the development of canning industry, the production speed requirement of the existing market on neck forming equipment is higher and higher, and the important point is to solve the problems that the can body is smoothly transported and connected between stations at high speed, so that the can body is prevented from being extruded and damaged, can falling, can clamping and the like. Those skilled in the art know that in order to smoothly transfer and handover the tank from station to station under high speed conditions, a higher control accuracy is required for the transmission timing sequence of the equipment transmission chain, so that the normal operation of the tank on the equipment transmission chain can be ensured.
However, existing tank neck forming equipment (including necking, flanging and the like) in the market at present basically drives an executing component through a distributed driving and gear transmission chain, so that the purpose of transferring the tank body to perform multi-stage shrinkage-flanging forming is realized. The neck forming apparatus described in U.S. patent No. 9308570B2, entitled "high speed necking structure" (high speed necking configuration), is operated using a distributed drive and gear train. However, those skilled in the art will recognize that the manner in which a distributed drive and gear train is employed is severely limited in order to improve timing accuracy control. Because the distributed driving adopts a combination form of a common motor and a speed reducer, the synchronism of a plurality of motors in the working process is not only deviated but also is difficult to control. On the other hand, a gear transmission chain is adopted, and particularly, in order to avoid lubrication, gear transmission in which a steel gear is meshed with a nylon gear is adopted, and because of the limitation of machining precision, errors exist in the precision of the gears, the steel gear and the nylon gear also have the problem of thermal expansion, and the problems can directly influence high-speed transfer and connection of the tank body between stations.
In view of this, it is the subject of the present invention how to improve the prior art to improve the control of the transmission timing accuracy of the multi-station can neck forming apparatus under high speed operation conditions.
Disclosure of Invention
The invention provides a combined servo high-speed synchronous driving multi-station tank neck forming device, which aims to solve the problems that the transmission time sequence precision of the existing multi-station tank neck forming device adopting a distributed driving and gear transmission chain is poor in control, and the smooth transfer and handover speed of a tank between stations is difficult to improve.
In order to achieve the above purpose, the invention adopts the following technical scheme: a combined servo high-speed synchronous driving multi-station tank neck forming device comprises at least two working stations which are arranged in sequence before and after flow machining, each working station comprises a main shaft turret assembly, a transmission shaft turret assembly and a frame assembly, wherein the main shaft turret assembly comprises a main turret shaft, the transmission shaft turret assembly comprises a transmission turret shaft, the main turret shaft is arranged in parallel with the transmission turret shaft, and the main turret shaft and the transmission turret shaft are rotatably supported relative to the frame assembly.
The innovation is that: the workstation positioned at the front of the flow machining sequence is defined as a B station, the workstation positioned at the rear is defined as a C station, and a combination of the B station and the C station is formed.
In the station B, a first servo motor and a first gear are arranged for the main turret shaft of the station B, the first servo motor is positioned at the driving end of the main turret shaft of the station B and is fixedly installed relative to the frame component of the station B, and the first servo motor is provided with a rotation output end which is coaxially and fixedly connected with the driving end of the main turret shaft of the station B; the first gear is fixedly mounted on the main turret shaft of the station B.
In the B station, a B station transmission shaft, a second gear and a B station synchronous belt pulley mechanism are arranged for the B station transmission tower shaft, the B station transmission shaft is arranged in parallel with the B station transmission tower shaft, the B station transmission shaft is rotatably supported relative to a B station frame assembly, the second gear is fixedly arranged on the B station transmission shaft, and the second gear is meshed with the first gear; the B station synchronous pulley mechanism consists of a B station synchronous belt, a B station first synchronous pulley and a B station second synchronous pulley, wherein the B station first synchronous pulley is fixedly arranged on a B station transmission shaft, the B station second synchronous pulley is fixedly arranged on a B station transmission turret shaft, and the B station synchronous belt is connected between the B station first synchronous pulley and the B station second synchronous pulley.
In the station C, a third gear is arranged for the main turret shaft of the station C, the third gear is fixedly arranged on the main turret shaft of the station C, and the third gear in the station C is meshed with the second gear in the station B.
In the C station, a C station transmission shaft, a fourth gear and a C station synchronous pulley mechanism are arranged for the transmission turret shaft of the C station, the C station transmission shaft is arranged in parallel with the transmission turret shaft of the C station, the C station transmission shaft is rotatably supported relative to the frame component of the C station, the fourth gear is fixedly arranged on the C station transmission shaft, and the fourth gear is meshed with the third gear; the C station synchronous pulley mechanism consists of a C station synchronous belt, a C station first synchronous pulley and a C station second synchronous pulley, wherein the C station first synchronous pulley is fixedly arranged on a C station transmission shaft, the C station second synchronous pulley is fixedly arranged on a C station transmission turret shaft, and the C station synchronous belt is connected between the C station first synchronous pulley and the C station second synchronous pulley.
The relevant content explanation in the technical scheme is as follows:
1. in the above scheme, the workstation refers to a necking station, a flanging station, a tank bottom forming station and the like, and comprises a main shaft turret assembly, a transmission shaft turret assembly and a frame assembly, and the specific structures of each main shaft turret assembly, each transmission shaft turret assembly and each frame assembly are all the prior art, and can be seen from the disclosure of U.S. patent No. 9308570B2 in the introduction of the background technology. The innovation of the invention is that: improvements are made to the spindle turret assembly and propeller shaft turret assembly drive structure in each workstation.
2. In the above scheme, if the workstation positioned in front of the station B in the flow machining sequence is defined as the station A, a combined form of the station A, the station B and the station C is formed, wherein:
in the station A, a second servo motor is arranged for the main turret shaft of the station A, is positioned at the driving end of the main turret shaft of the station A and is fixedly installed relative to the frame component of the station A, and the second servo motor is provided with a rotation output end which is coaxially and fixedly connected with the driving end of the main turret shaft of the station A.
In the station A, a third servo motor, a station A transmission shaft, a fifth gear and a sixth gear are arranged for the transmission turret shaft of the station A, the station A transmission shaft is arranged in parallel with the transmission turret shaft of the station A, the station A transmission shaft is rotatably supported relative to a frame component of the station A, the third servo motor is positioned at one end of the station A transmission shaft and fixedly installed relative to the frame component of the station A, and the third servo motor is provided with a rotation output end which is coaxially and fixedly connected with one end of the station A transmission shaft; the fifth gear is fixedly arranged on the transmission shaft of the station A, the sixth gear is fixedly arranged on the transmission turret shaft of the station A, and the fifth gear is meshed with the sixth gear.
3. In the above scheme, if the workstation positioned in front of the B station flow machining sequence is defined as the a 'station, a combination of the a' station, the B station and the C station is formed, wherein:
in the A ' station, a fourth servo motor is arranged for the main turret shaft of the A ' station, is positioned at the driving end of the main turret shaft of the A ' station and is fixedly installed relative to the frame assembly of the A ' station, and is provided with a rotation output end which is in transmission connection with the driving end of the main turret shaft of the A ' station.
In the A ' station, a fifth servo motor is arranged for the transmission turret shaft of the A ' station, is positioned at the driving end of the transmission turret shaft of the A ' station and is fixedly installed relative to the frame assembly of the A ' station, and is provided with a rotation output end which is in transmission connection with the driving end of the transmission turret shaft of the A ' station.
4. In the above scheme, if the workstation positioned at the rear of the flow machining sequence of the C station is defined as a secondary C station, a combination form of the B station, the C station and the secondary C station is formed, wherein:
in the secondary C station, a seventh gear is arranged for the main turret shaft of the secondary C station, the seventh gear is fixedly arranged on the main turret shaft of the secondary C station, and the seventh gear in the secondary C station is meshed with the fourth gear in the C station.
In the secondary C station, a secondary C station transmission shaft, an eighth gear and a secondary C station synchronous pulley mechanism are arranged for the transmission turret shaft of the secondary C station, the secondary C station transmission shaft is arranged in parallel with the transmission turret shaft of the secondary C station, the secondary C station transmission shaft is rotatably supported relative to a frame component of the secondary C station, the eighth gear is fixedly arranged on the secondary C station transmission shaft, and the eighth gear is meshed with the seventh gear; the secondary C station synchronous pulley mechanism consists of a secondary C station synchronous belt, a secondary C station first synchronous pulley and a secondary C station second synchronous pulley, wherein the secondary C station first synchronous pulley is fixedly arranged on a secondary C station transmission shaft, the secondary C station second synchronous pulley is fixedly arranged on a secondary C station transmission turret shaft, and the secondary C station synchronous belt is connected between the secondary C station first synchronous pulley and the secondary C station second synchronous pulley.
5. Based on the above combination of the a station, the B station, and the C station, if the workstation located at the latter stage of the C station in the stream processing order is defined as the secondary C station, a combination of the a station, the B station, the C station, and the secondary C station is formed, wherein the secondary C station is the same as above (the description is not repeated here).
The design principle and effect of the technical scheme are as follows: in order to solve the problems that the existing multi-station tank neck forming equipment adopting a distributed driving and gear transmission chain is poor in transmission time sequence precision control and difficult to improve the smooth transfer and handover speed of the tank between stations, the invention mainly aims at improving the existing distributed driving and gear transmission chain and mainly drives each working station in the multi-station tank neck forming equipment in a mode of combining a servo motor, a gear mechanism and a synchronous pulley. The method comprises the steps that a workstation positioned in front of a device flow machining sequence is defined as a B station, a workstation positioned in back of the device flow machining sequence is a C station, a combination of the B station and the C station is formed, wherein a main turret shaft of the B station is driven by a first servo motor, a B station transmission shaft is arranged on the B station, gear transmission is adopted between the main turret shaft of the B station and the B station transmission shaft, and a B station synchronous pulley mechanism is adopted between the B station transmission shaft and the B station transmission shaft; the main turret shaft of the C station and the transmission shaft of the B station are in gear transmission, the C station is provided with a transmission shaft of the C station, the main turret shaft of the C station and the transmission shaft of the C station are in gear transmission, and the transmission turret shaft of the C station are in transmission by adopting a synchronous pulley mechanism of the C station. In order to ensure that the can body is smoothly transferred and handed over from station to station in a higher-speed production operation environment, a higher control precision of the synchronous transmission time sequence between stations is required. In order to achieve the purpose, the technical scheme skillfully utilizes the controllability of the servo motor in the rotation angle and the rotation speed in each working station, is used for controlling each servo motor frequency converter, then takes any one frequency converter as a reference in the working state, is defined as a reference frequency converter, and keeps the synchronism and the transmission time sequence control precision between necking stations by the other frequency converters following the frequency of the reference frequency converter. Due to the application of the scheme, compared with the prior art, the driving structure of the workstation is quite simple, the manufacturing cost of the equipment is greatly reduced, and the synchronous transmission time sequence between stations can be ensured to have higher control precision, so that the running speed of the equipment is further improved. The invention has remarkable effect even though the technical means adopted look at routine, and is unexpected by the person skilled in the art. According to the preliminary estimation, compared with the preliminary estimation before improvement, the running speed can be increased by about 15 percent, meanwhile, the stability of the molding quality can be ensured, and the problems of the extruded and damaged tank body, the tank falling, the tank clamping and the like are rarely caused.
Drawings
FIG. 1 is a perspective view of a necking station in accordance with an embodiment of the present invention;
FIG. 2 is a perspective view of a frame assembly and tailstock support assembly according to an embodiment of the present invention;
FIG. 3 is a perspective view of a spindle turret assembly according to an embodiment of the invention;
FIG. 4 is a perspective view of a push plate turret assembly according to an embodiment of the present invention;
FIG. 5 is a perspective view of a mold turret assembly according to an embodiment of the invention;
FIG. 6 is a perspective view of a combined servo high-speed synchronous drive of a multi-station tank neck molding apparatus according to embodiment 1 of the present invention;
FIG. 7 is a schematic diagram showing a combined servo high-speed synchronous driving of a multi-station tank neck forming device according to embodiment 1 of the present invention;
FIG. 8 is a perspective view of the A-stand of FIG. 7;
FIG. 9 is a schematic diagram showing the combined servo high-speed synchronous driving of the multi-station tank neck forming device according to embodiment 2 of the present invention;
FIG. 10 is a perspective view of the station A' -1 of FIG. 9;
FIG. 11 is a schematic diagram showing the combined servo high-speed synchronous driving of the multi-station tank neck forming device according to embodiment 3 of the present invention;
FIG. 12 is a perspective view of the A' -2 stand of FIG. 11.
In the above figures: 1. a spindle turret assembly; 2. a frame assembly; 3. a tailstock support assembly; 4.a drive shaft turret assembly; 5. a push plate end push rod assembly; 6. a die end sleeve assembly; 7. a main turret shaft; 8. a drive turret shaft; 9. a first servo motor; 10. a first gear; b station drive shaft; 12. a second gear; b station timing belt; station b first synchronizing wheel; station b second synchronizing wheel; 16. a third gear; c station drive shaft; 18. a fourth gear; c station timing belt; 20. a station C, a first synchronous wheel; station c second synchronizing wheel; 22. a second servo motor; 23. a third servo motor; a station drive shaft; 25. a fifth gear; 26. a sixth gear; 27. a fourth servo motor; 28. a fifth servo motor; 29. a first gear reducer; 30. a second gear reducer; 31. a seventh gear; 32. a secondary C station transmission shaft; 33. an eighth gear; 34. a secondary C station synchronous belt; 35. a second-stage C station first synchronous wheel; 36. a second synchronous wheel of the second-stage C station; 37. a main shaft turret star wheel; 38. a mold turret assembly; 39. a push plate turret assembly.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
example 1: multi-station tank neck forming equipment driven synchronously at high speed by combined servo
As shown in fig. 1-8, the multi-station tank neck forming equipment is formed by connecting a necking station, a flanging station, a tank bottom forming station, a light inspection station and the like, wherein the necking station comprises four work stations which are arranged in sequence before and after running water processing, namely an a station, a B station, a C station and a C station which are arranged in sequence before and after running water processing, and a combination form of the a station, the B station, the C station and the secondary C station is formed (see fig. 6 and 7). The combination form can be one group or multiple groups in the multi-station tank neck forming equipment. The present embodiment will be described with reference to a group of examples of a combined servo high-speed synchronous driving structure.
Each workstation comprises a spindle turret assembly 1, a drive shaft turret assembly 4, a tailstock support assembly 3 and a frame assembly 2 (see fig. 1), wherein:
the spindle turret assembly 1 includes a spindle turret shaft 7 (see fig. 3), a mold turret assembly 38, a push plate turret assembly 39, and a spindle turret starwheel 37 (see fig. 3) located between the mold turret assembly 38 and the push plate turret assembly 39, wherein: the mold turret assembly 38 is comprised of a set of 12 mold end sleeve assemblies 6 (see fig. 5), the set of 12 mold end sleeve assemblies 6 being uniformly spaced circumferentially about the main turret shaft 7 and positioned relative to the main turret shaft 7 (see fig. 3). The push plate turret assembly 39 is comprised of a set of 12 push plate end push rod assemblies 5 (see fig. 4), the set of 12 push plate end push rod assemblies 5 being evenly spaced circumferentially about the main turret shaft 7 and positioned relative to the main turret shaft 7 (see fig. 3).
The drive shaft turret assembly 4 includes therein a drive turret shaft 8 (see fig. 1), the main turret shaft 7 is arranged in parallel with the drive turret shaft 8 (see fig. 1), and the main turret shaft 7 and the drive turret shaft 8 are rotatably supported with respect to the frame assembly 2 (see fig. 1).
The tailstock support assembly 3 is supported on the frame assembly 2 for rotatably supporting one end of the spindle turret assembly 1 (see fig. 2), and the other end of the spindle turret assembly 1 is rotatably supported on the frame assembly 2 (see fig. 2). Each of the drive shaft turret assemblies 4 has a spindle turret star wheel 37 (see fig. 3) for transferring cans, and the spindle turret star wheel 37 has a vacuum suction groove for sucking cans.
In the station a, a second servomotor 22 (see fig. 6, 7 and 8) is provided for the main turret shaft 7 of the station a, the second servomotor 22 being positioned at the drive end of the main turret shaft 7 of the station a and being fixedly mounted with respect to the frame assembly 2 of the station a, the second servomotor 22 having a rotational output end which is fixedly connected coaxially with the drive end of the main turret shaft 7 of the station a.
In the station a, a third servo motor 23, a station a transmission shaft 24, a fifth gear 25 and a sixth gear 26 (see fig. 6, 7 and 8) are provided for the transmission turret shaft 8 of the station a, the station a transmission shaft 24 is arranged in parallel with the transmission turret shaft 8 of the station a, the station a transmission shaft 24 is rotatably supported with respect to the frame assembly 2 of the station a, the third servo motor 23 is positioned at one end of the station a transmission shaft 24 and fixedly installed with respect to the frame assembly 2 of the station a, and the third servo motor 23 has a rotation output end coaxially fixedly connected with one end of the station a transmission shaft 24; the fifth gear 25 is fixedly arranged on the transmission shaft 24 of the station A, the sixth gear 26 is fixedly arranged on the transmission turret shaft 8 of the station A, and the fifth gear 25 is meshed with the sixth gear 26.
In the station B, a first servomotor 9 and a first gear 10 (see fig. 6 and 7) are provided for the main turret shaft 7 of the station B, the first servomotor 9 being positioned at the drive end of the main turret shaft 7 of the station B and being fixedly mounted with respect to the frame assembly 2 of the station B, the first servomotor 9 having a rotational output end which is fixedly connected coaxially with the drive end of the main turret shaft 7 of the station B. The first gear 10 is fixedly mounted on the main turret shaft 7 of the station B.
In the station B, a station B drive shaft 11, a second gear 12 and a station B synchronous pulley mechanism are provided for the station B drive turret shaft 8 (see fig. 6 and 7), the station B drive shaft 11 is arranged in parallel with the station B drive turret shaft 8, the station B drive shaft 11 is rotatably supported with respect to the station B frame assembly 2, the second gear 12 is fixedly mounted on the station B drive shaft 11, and the second gear 12 is meshed with the first gear 10 (see fig. 7). The B station synchronous pulley mechanism consists of a B station synchronous belt 13, a B station first synchronous pulley 14 and a B station second synchronous pulley 15 (see figure 7), wherein the B station first synchronous pulley 14 is fixedly arranged on a B station transmission shaft 11, the B station second synchronous pulley 15 is fixedly arranged on a B station transmission turret shaft 8, and the B station synchronous belt 13 is connected between the B station first synchronous pulley 14 and the B station second synchronous pulley 15.
In the C station, a third gear 16 is provided for the main turret shaft 7 of the C station (see fig. 6 and 7), the third gear 16 being fixedly mounted on the main turret shaft 7 of the C station, the third gear 16 in the C station being in mesh with the second gear 12 in the B station (see fig. 7).
In the C station, a C station transmission shaft 17, a fourth gear 18 and a C station synchronous pulley mechanism are provided for the C station transmission turret shaft 8, the C station transmission shaft 17 is arranged in parallel with the C station transmission turret shaft 8, the C station transmission shaft 17 is rotatably supported with respect to the C station frame assembly 2, the fourth gear 18 is fixedly mounted on the C station transmission shaft 17, and the fourth gear 18 is meshed with the third gear 16 (see fig. 7). The C station synchronous pulley mechanism consists of a C station synchronous belt 19, a C station first synchronous pulley 20 and a C station second synchronous pulley 21 (see figure 7), wherein the C station first synchronous pulley 20 is fixedly arranged on a C station transmission shaft 17, the C station second synchronous pulley 21 is fixedly arranged on a C station transmission turret shaft 8, and the C station synchronous belt 19 is connected between the C station first synchronous pulley 20 and the C station second synchronous pulley 21.
In the secondary C station (the work station located at the rear of the flow machining order of the C station is defined as the secondary C station, the leftmost C station in fig. 7), a seventh gear 31 (see fig. 6 and 7) is provided for the main turret shaft 7 of the secondary C station, the seventh gear 31 is fixedly mounted on the main turret shaft 7 of the secondary C station, and the seventh gear 31 in the secondary C station is engaged with the fourth gear 18 in the C station (see fig. 7).
In the secondary C station, a secondary C station transmission shaft 32, an eighth gear 33 and a secondary C station synchronous pulley mechanism are provided for the secondary C station transmission shaft 8 (see fig. 6 and 7), the secondary C station transmission shaft 32 is arranged in parallel with the secondary C station transmission shaft 8, the secondary C station transmission shaft 32 is rotatably supported with respect to the secondary C station frame assembly 2, the eighth gear 33 is fixedly mounted on the secondary C station transmission shaft 32, and the eighth gear 33 is meshed with the seventh gear 31 (see fig. 7). The secondary C station synchronous pulley mechanism consists of a secondary C station synchronous belt 34, a secondary C station first synchronous pulley 35 and a secondary C station second synchronous pulley 36 (see figure 7), wherein the secondary C station first synchronous pulley 35 is fixedly arranged on a secondary C station transmission shaft 32, the secondary C station second synchronous pulley 36 is fixedly arranged on a secondary C station transmission turret shaft 8, and the secondary C station synchronous belt 34 is connected between the secondary C station first synchronous pulley 35 and the secondary C station second synchronous pulley 36.
Example 2: multi-station tank neck forming equipment driven synchronously at high speed by combined servo
As shown in fig. 9-10, the multi-station tank neck forming equipment is formed by connecting a necking station, a flanging station, a tank bottom forming station, a light inspection station and the like, wherein the necking station comprises four working stations which are arranged in sequence before and after running water processing, namely an a '-1 station, a B station, a C station and a C station which are arranged in sequence before and after running water processing, and a combination form of the a' -1 station, the B station, the C station and a secondary C station is formed (see fig. 9). The combination form can be one group or multiple groups in the multi-station tank neck forming equipment. The present embodiment will be described with reference to a group of examples of a combined servo high-speed synchronous driving structure.
This embodiment differs from embodiment 1 in that: the driving structure of the a' -1 station is different, and the rest of the B station, C station and secondary C station are the same as in embodiment 1, and a description thereof will not be repeated here.
As shown in fig. 9 to 10, in the a ' -1 station, a fourth servo motor 27 (see fig. 10) is provided for the main turret shaft 7 of the a ' -1 station, the fourth servo motor 27 is positioned at the driving end of the main turret shaft 7 of the a ' -1 station and fixedly installed with respect to the frame assembly 2 of the a ' -1 station, and the fourth servo motor 27 has a rotation output end coaxially fixedly connected with the driving end of the main turret shaft 7 of the a ' -1 station (see fig. 10).
As shown in fig. 9-10, in the a ' -1 station, a fifth servo motor 28 (see fig. 10) is provided for the drive turret shaft 8 of the a ' -1 station, the fifth servo motor 28 being positioned at the drive end of the drive turret shaft 8 of the a ' -1 station and fixedly mounted with respect to the frame assembly 2 of the a ' -1 station, the fifth servo motor 28 having a rotational output end fixedly connected coaxially with the drive end of the drive turret shaft 8 of the a ' -1 station (see fig. 10).
Example 3: multi-station tank neck forming equipment driven synchronously at high speed by combined servo
As shown in fig. 11-12, the multi-station tank neck forming equipment is formed by connecting a necking station, a flanging station, a tank bottom forming station, a light inspection station and the like, wherein the necking station comprises four work stations which are arranged in sequence before and after running water processing, namely an A '-2 station, a B station, a C station and a C station which are arranged in sequence before and after running water processing, and a combination form of the A' -2 station, the B station, the C station and the secondary C station is formed (see fig. 11). The combination form can be one group or multiple groups in the multi-station tank neck forming equipment. The present embodiment will be described with reference to a group of examples of a combined servo high-speed synchronous driving structure.
This embodiment differs from embodiment 1 in that: the driving structure of the a' -2 station is different, and the rest of the B station, C station and secondary C station are the same as in embodiment 1, and a description thereof will not be repeated here.
As shown in fig. 11-12, in said a ' -2 station, a fourth servomotor 27 and a first gear reducer 29 are provided for the main turret shaft 7 of the a ' -2 station (see fig. 12), the fourth servomotor 27 being positioned at the drive end of the main turret shaft 7 of the a ' -2 station and being fixedly mounted with respect to the frame assembly 2 of the a ' -2 station, the fourth servomotor 27 having a rotational output in driving connection with the input of the first gear reducer 29, the output of the first gear reducer 29 being in driving connection with the drive end of the main turret shaft 7 of the a ' -2 station (see fig. 12).
As shown in fig. 11-12, in the a ' -2 station, a fifth servo motor 28 and a second gear reducer 30 are provided for the drive turret shaft 8 of the a ' -2 station, the fifth servo motor 28 being positioned at the drive end of the drive turret shaft 8 of the a ' -2 station and fixedly mounted with respect to the frame assembly 2 of the a ' -2 station, the fifth servo motor 28 having a rotational output end in driving connection with the input end of the second gear reducer 30, the output end of the second gear reducer 30 being in driving connection with the drive end of the drive turret shaft 8 of the a ' -2 station (see fig. 12).
The following description is made with respect to other embodiments and structural variations of the present invention:
1. the invention innovates to provide a combined servo high-speed synchronous driving structure for each working station in the multi-station tank neck forming equipment, and the combined servo high-speed synchronous driving structure can be directly applied to a necking station and can also be applied to other working stations, such as a flanging station, a tank bottom forming station, a light inspection station and the like. The three above embodiments show three combined servo high speed synchronous drive configurations applied to the necking station, namely embodiment 1 shows: station A, station B, station C and secondary station C; example 2 gives: a' -1 station, B station, C station, and secondary C station combination; example 3 gives: a' -2 station, B station, C station, and secondary C station combinations. The combination forms can be one group or multiple groups for repeated use in the multi-station tank neck forming equipment. However, the combination form of the combined servo high-speed synchronous driving structure is not limited to this, and the following structural variation forms are also possible: a combination of stations B and C; a combination of station B, station C and secondary C; a combination of stations a, B and C; a combination of a' -1 station, B station and C station; a combination of a' -2 station, B station and C station. Which will be appreciated and readily available to those skilled in the art upon reading the present embodiments. For the sake of text saving, description will not be repeated here.
2. In the above embodiment, the necking station is composed of four necking stations. The invention is not limited thereto but may be two necking stations, three necking stations, five necking stations or even more. Theoretically at least two necking stations. This is to be seen in the can size and necking requirements, which will be understood and appreciated by those skilled in the art.
3. In the above embodiment, the mold turret assembly 38 is comprised of a set of 12 mold end sleeve assemblies 6 (see fig. 5). The present invention is not limited thereto and the number of associated mold end sleeve assemblies 6 in the mold turret assembly 38 may be increased or decreased on a 12-basis, as will be determined in accordance with the particular circumstances. Similarly, the push turret assembly 39 is comprised of a set of 12 push end push rod assemblies 5 (see FIG. 4), as will be appreciated and accepted by those skilled in the art.
4. In the above embodiments, the necking outer die, the necking inner die, and the push plate are all implemented by using the prior art.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (4)
1. A multi-station type tank neck forming device driven synchronously at a high speed by combined type servo comprises a necking station, wherein the necking station is composed of at least two working stations which are arranged in sequence before and after running water processing, each working station comprises a main shaft turret assembly (1), a transmission shaft turret assembly (4) and a frame assembly (2), the main shaft turret assembly (1) comprises a main turret shaft (7), the transmission shaft turret assembly (4) comprises a transmission turret shaft (8), the main turret shaft (7) is arranged in parallel with the transmission turret shaft (8), and the main turret shaft (7) and the transmission turret shaft (8) are rotatably supported by the frame assembly (2);
the method is characterized in that: the necking station comprises four stations arranged in a running water processing sequence, namely an A station, a B station, a C station and a C station which are arranged in a running water processing sequence, and a combination of the A station, the B station, the C station and the second-stage C station is formed, wherein the combination can be one group or multiple groups in the multi-station tank neck forming equipment, and the combination can be repeated:
in the station A, a second servo motor (22) is arranged for the main turret shaft (7) of the station A, the second servo motor (22) is positioned at the driving end of the main turret shaft (7) of the station A and is fixedly installed relative to the frame assembly (2) of the station A, and the second servo motor (22) is provided with a rotation output end which is coaxially and fixedly connected with the driving end of the main turret shaft (7) of the station A;
in the station A, a third servo motor (23), a station A transmission shaft (24), a fifth gear (25) and a sixth gear (26) are arranged for the transmission turret shaft (8) of the station A, the station A transmission shaft (24) is arranged in parallel with the transmission turret shaft (8) of the station A, the station A transmission shaft (24) is rotatably supported relative to the frame assembly (2) of the station A, the third servo motor (23) is positioned at one end of the station A transmission shaft (24) and fixedly installed relative to the frame assembly (2) of the station A, and the third servo motor (23) is provided with a rotation output end which is coaxially and fixedly connected with one end of the station A transmission shaft (24); the fifth gear (25) is fixedly arranged on the transmission shaft (24) of the station A, the sixth gear (26) is fixedly arranged on the transmission turret shaft (8) of the station A, and the fifth gear (25) is meshed with the sixth gear (26);
in the station B, a first servo motor (9) and a first gear (10) are arranged for the main turret shaft (7) of the station B, the first servo motor (9) is positioned at the driving end of the main turret shaft (7) of the station B and is fixedly installed relative to the frame assembly (2) of the station B, and the first servo motor (9) is provided with a rotation output end which is coaxially and fixedly connected with the driving end of the main turret shaft (7) of the station B; the first gear (10) is fixedly arranged on a main turret shaft (7) of the station B;
in the B station, a B station transmission shaft (11), a second gear (12) and a B station synchronous pulley mechanism are arranged for a B station transmission tower shaft (8), the B station transmission shaft (11) is arranged in parallel with the B station transmission tower shaft (8), the B station transmission shaft (11) is rotatably supported relative to a B station frame assembly (2), the second gear (12) is fixedly arranged on the B station transmission shaft (11), and the second gear (12) is meshed with the first gear (10); the B station synchronous pulley mechanism consists of a B station synchronous belt (13), a B station first synchronous pulley (14) and a B station second synchronous pulley (15), wherein the B station first synchronous pulley (14) is fixedly arranged on a B station transmission shaft (11), the B station second synchronous pulley (15) is fixedly arranged on a B station transmission turret shaft (8), and the B station synchronous belt (13) is connected between the B station first synchronous pulley (14) and the B station second synchronous pulley (15);
in the station C, a third gear (16) is arranged for the main turret shaft (7) of the station C, the third gear (16) is fixedly arranged on the main turret shaft (7) of the station C, and the third gear (16) in the station C is meshed with the second gear (12) in the station B;
in the C station, a C station transmission shaft (17), a fourth gear (18) and a C station synchronous pulley mechanism are arranged for a C station transmission tower shaft (8), the C station transmission shaft (17) is arranged in parallel with the C station transmission tower shaft (8), the C station transmission shaft (17) is rotatably supported relative to a C station frame assembly (2), the fourth gear (18) is fixedly arranged on the C station transmission shaft (17), and the fourth gear (18) is meshed with the third gear (16); the C station synchronous pulley mechanism consists of a C station synchronous belt (19), a C station first synchronous pulley (20) and a C station second synchronous pulley (21), wherein the C station first synchronous pulley (20) is fixedly arranged on a C station transmission shaft (17), the C station second synchronous pulley (21) is fixedly arranged on a C station transmission turret shaft (8), and the C station synchronous belt (19) is connected between the C station first synchronous pulley (20) and the C station second synchronous pulley (21);
in the secondary C station, a seventh gear (31) is arranged for the main turret shaft (7) of the secondary C station, the seventh gear (31) is fixedly arranged on the main turret shaft (7) of the secondary C station, and the seventh gear (31) in the secondary C station is meshed with a fourth gear (18) in the C station;
in the secondary C station, a secondary C station transmission shaft (32), an eighth gear (33) and a secondary C station synchronous pulley mechanism are arranged for a transmission turret shaft (8) of the secondary C station, the secondary C station transmission shaft (32) is arranged in parallel with the transmission turret shaft (8) of the secondary C station, the secondary C station transmission shaft (32) is rotatably supported relative to a frame assembly (2) of the secondary C station, the eighth gear (33) is fixedly arranged on the secondary C station transmission shaft (32), and the eighth gear (33) is meshed with the seventh gear (31); the secondary C station synchronous pulley mechanism consists of a secondary C station synchronous belt (34), a secondary C station first synchronous pulley (35) and a secondary C station second synchronous pulley (36), wherein the secondary C station first synchronous pulley (35) is fixedly arranged on a secondary C station transmission shaft (32), the secondary C station second synchronous pulley (36) is fixedly arranged on a transmission turret shaft (8) of the secondary C station, and the secondary C station synchronous belt (34) is connected between the secondary C station first synchronous pulley (35) and the secondary C station second synchronous pulley (36);
the controllability of the servo motors in the working stations on the rotation angle and the rotation speed is utilized, the servo motor frequency converters are used for controlling, any one frequency converter is used as a reference frequency converter in a working state, the reference frequency converter is defined, and the rest frequency converters follow the frequency of the reference frequency converter to keep the synchronism and the transmission time sequence control precision among the necking stations.
2. A multi-station type tank neck forming device driven synchronously at a high speed by combined type servo comprises a necking station, wherein the necking station is composed of at least two working stations which are arranged in sequence before and after running water processing, each working station comprises a main shaft turret assembly (1), a transmission shaft turret assembly (4) and a frame assembly (2), the main shaft turret assembly (1) comprises a main turret shaft (7), the transmission shaft turret assembly (4) comprises a transmission turret shaft (8), the main turret shaft (7) is arranged in parallel with the transmission turret shaft (8), and the main turret shaft (7) and the transmission turret shaft (8) are rotatably supported by the frame assembly (2);
the method is characterized in that: the necking station comprises four stations arranged in a running water processing sequence, namely an A 'station, a B station, a C station and a C station which are arranged in a running water processing sequence, and a combination of the A' station, the B station, the C station and the secondary C station is formed, wherein the combination can be one group or multiple groups of repeated occurrence in the multi-station tank neck forming equipment, and the combination can be formed by the following steps:
in the station A ', a fourth servo motor (27) is arranged for the main turret shaft (7) of the station A', the fourth servo motor (27) is positioned at the driving end of the main turret shaft (7) of the station A and is fixedly arranged relative to the frame assembly (2) of the station A, and the fourth servo motor (27) is provided with a rotation output end which is in transmission connection with the driving end of the main turret shaft (7) of the station A;
in the A ' station, a fifth servo motor (28) is arranged for the transmission turret shaft (8) of the A ' station, the fifth servo motor (28) is positioned at the driving end of the transmission turret shaft (8) of the A ' station and is fixedly arranged relative to the frame assembly (2) of the A ' station, and the fifth servo motor (28) is provided with a rotation output end which is in transmission connection with the driving end of the transmission turret shaft (8) of the A ' station;
in the station B, a first servo motor (9) and a first gear (10) are arranged for the main turret shaft (7) of the station B, the first servo motor (9) is positioned at the driving end of the main turret shaft (7) of the station B and is fixedly installed relative to the frame assembly (2) of the station B, and the first servo motor (9) is provided with a rotation output end which is coaxially and fixedly connected with the driving end of the main turret shaft (7) of the station B; the first gear (10) is fixedly arranged on a main turret shaft (7) of the station B;
in the B station, a B station transmission shaft (11), a second gear (12) and a B station synchronous pulley mechanism are arranged for a B station transmission tower shaft (8), the B station transmission shaft (11) is arranged in parallel with the B station transmission tower shaft (8), the B station transmission shaft (11) is rotatably supported relative to a B station frame assembly (2), the second gear (12) is fixedly arranged on the B station transmission shaft (11), and the second gear (12) is meshed with the first gear (10); the B station synchronous pulley mechanism consists of a B station synchronous belt (13), a B station first synchronous pulley (14) and a B station second synchronous pulley (15), wherein the B station first synchronous pulley (14) is fixedly arranged on a B station transmission shaft (11), the B station second synchronous pulley (15) is fixedly arranged on a B station transmission turret shaft (8), and the B station synchronous belt (13) is connected between the B station first synchronous pulley (14) and the B station second synchronous pulley (15);
in the station C, a third gear (16) is arranged for the main turret shaft (7) of the station C, the third gear (16) is fixedly arranged on the main turret shaft (7) of the station C, and the third gear (16) in the station C is meshed with the second gear (12) in the station B;
in the C station, a C station transmission shaft (17), a fourth gear (18) and a C station synchronous pulley mechanism are arranged for a C station transmission tower shaft (8), the C station transmission shaft (17) is arranged in parallel with the C station transmission tower shaft (8), the C station transmission shaft (17) is rotatably supported relative to a C station frame assembly (2), the fourth gear (18) is fixedly arranged on the C station transmission shaft (17), and the fourth gear (18) is meshed with the third gear (16); the C station synchronous pulley mechanism consists of a C station synchronous belt (19), a C station first synchronous pulley (20) and a C station second synchronous pulley (21), wherein the C station first synchronous pulley (20) is fixedly arranged on a C station transmission shaft (17), the C station second synchronous pulley (21) is fixedly arranged on a C station transmission turret shaft (8), and the C station synchronous belt (19) is connected between the C station first synchronous pulley (20) and the C station second synchronous pulley (21);
in the secondary C station, a seventh gear (31) is arranged for the main turret shaft (7) of the secondary C station, the seventh gear (31) is fixedly arranged on the main turret shaft (7) of the secondary C station, and the seventh gear (31) in the secondary C station is meshed with a fourth gear (18) in the C station;
in the secondary C station, a secondary C station transmission shaft (32), an eighth gear (33) and a secondary C station synchronous pulley mechanism are arranged for a transmission turret shaft (8) of the secondary C station, the secondary C station transmission shaft (32) is arranged in parallel with the transmission turret shaft (8) of the secondary C station, the secondary C station transmission shaft (32) is rotatably supported relative to a frame assembly (2) of the secondary C station, the eighth gear (33) is fixedly arranged on the secondary C station transmission shaft (32), and the eighth gear (33) is meshed with the seventh gear (31); the secondary C station synchronous pulley mechanism consists of a secondary C station synchronous belt (34), a secondary C station first synchronous pulley (35) and a secondary C station second synchronous pulley (36), wherein the secondary C station first synchronous pulley (35) is fixedly arranged on a secondary C station transmission shaft (32), the secondary C station second synchronous pulley (36) is fixedly arranged on a transmission turret shaft (8) of the secondary C station, and the secondary C station synchronous belt (34) is connected between the secondary C station first synchronous pulley (35) and the secondary C station second synchronous pulley (36);
the controllability of the servo motors in the working stations on the rotation angle and the rotation speed is utilized, the servo motor frequency converters are used for controlling, any one frequency converter is used as a reference frequency converter in a working state, the reference frequency converter is defined, and the rest frequency converters follow the frequency of the reference frequency converter to keep the synchronism and the transmission time sequence control precision among the necking stations.
3. The multi-station can neck forming apparatus of claim 2, wherein: the rotation output end of the fourth servo motor (27) is fixedly connected with the driving end of the main turret shaft (7) of the A 'station in a coaxial manner, and the rotation output end of the fifth servo motor (28) is fixedly connected with the driving end of the transmission turret shaft (8) of the A' station in a coaxial manner.
4. The multi-station can neck forming apparatus of claim 2, wherein:
in the station A ', a first gear reducer (29) is arranged for the main turret shaft (7) of the station A ', the rotation output end of a fourth servo motor (27) is in transmission connection with the input end of the first gear reducer (29), and the output end of the first gear reducer (29) is in transmission connection with the driving end of the main turret shaft (7) of the station A ';
in the A ' station, a second gear reducer (30) is arranged for the transmission turret shaft (8) of the A ' station, the rotation output end of the fifth servo motor (28) is in transmission connection with the input end of the second gear reducer (30), and the output end of the second gear reducer (30) is in transmission connection with the driving end of the transmission turret shaft (8) of the A ' station.
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| CN202210129073.5A CN114378212B (en) | 2022-02-11 | 2022-02-11 | Multi-station tank neck forming equipment driven synchronously at high speed by combined servo |
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| CN202210129073.5A CN114378212B (en) | 2022-02-11 | 2022-02-11 | Multi-station tank neck forming equipment driven synchronously at high speed by combined servo |
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| US8464567B2 (en) * | 2008-04-24 | 2013-06-18 | Crown Packaging Technology, Inc. | Distributed drives for a multi-stage can necking machine |
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| JPS6422424A (en) * | 1987-07-16 | 1989-01-25 | Amada Metrecs Co | Method for shaft controlling of turret punch press |
| CN201552770U (en) * | 2009-12-17 | 2010-08-18 | 济南鼎立元泰机器有限公司 | Turret of numerical-control turret punch press and transmission structure thereof |
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