WO2013053154A1 - 连续式封切机 - Google Patents

连续式封切机 Download PDF

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Publication number
WO2013053154A1
WO2013053154A1 PCT/CN2011/081420 CN2011081420W WO2013053154A1 WO 2013053154 A1 WO2013053154 A1 WO 2013053154A1 CN 2011081420 W CN2011081420 W CN 2011081420W WO 2013053154 A1 WO2013053154 A1 WO 2013053154A1
Authority
WO
WIPO (PCT)
Prior art keywords
cutting
film
sealing
unit
heat sealing
Prior art date
Application number
PCT/CN2011/081420
Other languages
English (en)
French (fr)
Inventor
李岳云
李彦民
Original Assignee
广东粤东机械实业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东粤东机械实业有限公司 filed Critical 广东粤东机械实业有限公司
Priority to EP11873863.2A priority Critical patent/EP2774859B1/en
Publication of WO2013053154A1 publication Critical patent/WO2013053154A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
    • B65B7/164—Securing by heat-sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/14—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable with a moving container or wrapper during filling or depositing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/02—Driving gear

Definitions

  • the present invention relates to a container sealing device, and more particularly to a continuous sealing and cutting machine in which a template is not suspended during heat sealing. Background technique
  • the heat sealing machine used in the prior art generally includes a transmission device, a filling device, a film coating device, a heat sealing device, and the like.
  • these parts are independent components, that is, the process is independent, and the transmission device is required during the processing.
  • the transmission is suspended. After the container is filled, the transmission is started again.
  • the container is transported to the heat sealing and cutting device, and once again, the container is coated by the laminating device.
  • the heat sealing and cutting device performs heat sealing and cutting.
  • the technical problem to be solved by the embodiments of the present invention is to provide a continuous sealing and cutting machine that does not need to suspend the transportation during filling and film sealing and cutting, and can continuously transmit and prepare the film during the process of filling, discharging and sealing. Replace heat sealing and cutting tools and tools at any time, greatly improving the efficiency of the assembly line, saving time and reducing production costs.
  • the solution includes a rack, a synchronous filling device, a laminating device, a synchronous sealing and cutting device and a film collecting device, and the towel:
  • the frame is provided with a guide rail, a transmission device and a formwork frame
  • the transmission device comprises a main drive sprocket, a drive chain and a slave drive sprocket
  • the drive chain is mounted on the main drive sprocket and the slave drive sprocket
  • the main drive sprocket is drivingly connected to the output end of the motor
  • the transmission chain is fixedly connected with the template frame.
  • the template frame is used for placing templates of different specifications, the template is fixed on the template frame, the film collecting device is disposed on the frame, and the main transmission wheel drives a transmission chain connected thereto
  • the template is forwardly conveyed, and the main drive wheel is coupled to the motor through a drive shaft.
  • the template is provided with a fixing slot, the fixing slot has a large opening at one end and a small opening at the other end.
  • the template frame is provided with a T-shaped screw, and the T The screw passes through the opening of the fixing groove and moves the template so that the screw position is at the end of the opening, and the template is fixed by the nail cap of the screw.
  • the synchronous filling device comprises a storage unit and a feeding unit, the storage unit is fixedly disposed on the device and fixed by a connecting rod, and the storage unit and the feeding unit are connected by a hose.
  • the storage unit is provided with a feed valve for replenishing materials.
  • the feeding unit includes a feeding port and a discharging port, wherein the feeding port is connected to the storage unit by a hose, the feeding unit is provided with a cylinder, and the cylinder controls the discharging port through a piston rod Open and close.
  • the film coating device is fixed on the frame, and includes a film supply unit and a film feeding unit, wherein the film supply unit includes a film supply motor and a film supply shaft that is drivingly connected to the film supply motor, and the film is fed
  • the unit includes a transmission mechanism including a main transmission shaft, a slave transmission shaft, an optical probe, and a second servo motor, wherein the main transmission shaft is drivingly coupled to the second servo motor, and the slave transmission shaft and the transmission shaft
  • the main transmission shaft is in contact with the surface, and the control mechanism includes a movable shaft, a movable shaft groove and a proximity switch, and the movable shaft is slidable along the movable shaft groove.
  • the main transfer shaft drives the slave transfer shaft to operate, and the friction formed by the contact of the shaft faces of the two transfer shafts drives the packaging film forward.
  • the second servo motor controls the film feeding unit to achieve the effect of precise film feeding.
  • the film feeding unit is further provided with a light probe for identifying the mark on the packaging film to further precisely control the film feeding length.
  • the optical probe is movable back and forth along the template transport direction.
  • the optical probe is further translatable in a direction perpendicular to the direction in which the template is transported to accommodate templates of different widths.
  • the proximity switch includes a start switch and an cutoff switch, the start switch is disposed at an upper end position of the movable shaft slot, and the cutoff switch is disposed at a lower end position of the movable shaft groove.
  • the control mechanism is further provided with a guide film shaft, wherein the guide film shaft has a vertical height higher than a vertical height of the opening and closing switch and is located between the movable shaft groove and the conveying mechanism.
  • a second guide film shaft is disposed between the movable shaft groove and the film supply unit.
  • the second guide film axis has a vertical height higher than a vertical height of the start switch, and the packaging film passes through the upper end of the second guide film shaft and bypasses the lower end surface of the movable shaft, and finally from the upper end surface of the guide film shaft Winding out, forming an angle at the movable shaft, the packaging film is tightened when the conveying mechanism conveys the packaging film, and the movable shaft moves upward along the movable shaft groove due to its own tension until reaching the Activating a switch position, the film feeding motor starts to work after the starting switch detects the movable shaft, and the film feeding unit starts to release a film, because the film discharging speed of the film feeding unit is greater than the film feeding speed of the film feeding unit The packaging film becomes slack, the tension disappears, the movable shaft slides downward along the movable shaft
  • the conveying mechanism is further provided with a flattening table for flatly covering the packaging film on the template to avoid wrinkles.
  • the film collecting mechanism comprises a tightening mechanism, a film take-up reel and a motor, and the motor is provided with a clutch mechanism, wherein the tightening mechanism is connected to the motor and is drivingly connected to the film take-up reel through a conveyor belt.
  • the motor drives the take-up reel to rotate and take away the remaining material of the packaging film after sealing and cutting.
  • the feeding unit is driven by the connecting rod to follow the synchronous sealing and cutting device to slide back and forth along the sliding rod, and the opening and closing of the discharging port is controlled by the cylinder, when the feeding unit is made with the template
  • the discharge port is opened, and the feeding unit fills the template; otherwise, after the template is filled, the feeding unit slides along the guide rail, and the direction is opposite to the moving direction of the template.
  • the discharge port is closed.
  • the sliding speed of the feeding unit along the guide rail is the same as the moving speed of the template, and is kept relatively static with the template during the completion of the filling.
  • the synchronous sealing and cutting device includes a heat sealing and cutting mechanism and a first servo motor
  • the heat sealing and cutting mechanism includes a sliding plate
  • the sliding plate is slidably connected to the frame through a rail
  • the sliding plate is fixedly disposed with a transmission rack.
  • the first servo motor is fixed on the frame and is meshed with the transmission rack. When the first servo motor is in operation, the sliding plate is moved along the guide rail by a transmission rack engaged therewith. The motor is driven synchronously.
  • the heat sealing and cutting unit comprises a bracket, a cylinder and a heat sealing and cutting module, the bracket is mounted on the sliding plate and slidable along the frame rail, the cylinder is mounted on the sliding plate, and the heat sealing and cutting module
  • the lower end of the bracket is disposed opposite to the position of the heat sealing and cutting module, and the heat sealing and cutting module and the abutting plate are respectively located above and below the template frame.
  • the heat sealing and cutting module comprises a heat sealing and cutting mechanism and a cutter.
  • the heat sealing unit has the same structure as the heat sealing and cutting unit except that the cutter is not provided.
  • the bracket includes upper and lower covers and a plurality of pillars, and the pillars are divided into upper and lower sections and fastened with the sliding plates on the frame.
  • the sliding plate is provided with a through hole through which the cylinder piston can pass.
  • the cylinder includes a first cylinder, a second cylinder, the first cylinder cylinder is coupled to a cylinder of the second cylinder, the first cylinder piston rod is coupled to the upper cover, and the second cylinder A piston rod is coupled to the pressure plate.
  • a plurality of pillars are also used to connect the sliding plate.
  • a first pressure plate is connected to the cylinder piston, the first pressure plate is provided with an inverted T-shaped protrusion, and a second pressure plate is disposed corresponding to the first pressure plate, and the second pressure plate is provided with the first pressure plate Corresponding inverted T-shaped grooves, the first and second pressure plates can slide relative to each other along the grooves.
  • first and second pressure plates are fastened by a nut and are provided with a handle.
  • the second pressure plate can be perpendicular to the groove cross section by the handle. The direction is pulled out, and the heat sealing and cutting module component can be adjusted and replaced according to the template model on the template frame.
  • the heat sealing and cutting module is provided with a positioning hole
  • the template is provided with a positioning post.
  • the positioning column is embedded in the positioning hole to prevent An erroneous operation occurs when the heat sealing structure is offset from the relative position of the template.
  • the cylinder piston is pressed downward when the sliding direction of the heat sealing mechanism is consistent with the conveying direction of the template, and the heat sealing and cutting mechanism completes the heat sealing adhesion of the packaging film and the process of cutting the film, in the process, the heat
  • the speed of the sealing mechanism is the same as the speed of the template transfer, and the two remain relatively stationary.
  • the film supply unit is provided with a film-aligning device, and the film-adjusting device includes a spring and a limiting rod to adapt to different specifications of the template.
  • the present invention realizes the filling and sealing process by using a servo motor, and the synchronous filling device and the synchronous sealing and cutting device operate at the same speed as the template, and remain relatively stationary with the template when the filling and sealing process is completed.
  • the template does not need to be suspended for transfer, which improves work efficiency.
  • a replacement sealing and cutting device and a film-measuring device are provided, which can be applied to a plurality of different templates, thereby improving the versatility of the device and reducing the production investment.
  • FIG. 1 is a schematic structural view of a continuous sealing and cutting machine of the present invention
  • Figure 2 is a front elevational view of the continuous sealing and cutting machine of the present invention.
  • Figure 3 is a perspective view of the continuous sealing and cutting machine frame of the present invention.
  • Figure 4 is a schematic view showing the connection of the transmission chain and the formwork frame of the present invention.
  • Figure 5 is a schematic view showing the structure of the frame rail and the sliding plate of the present invention.
  • Figure 6 is a schematic view of the mechanism of the synchronous filling device of the present invention.
  • FIG. 7 is a schematic structural view of a feeding unit of the present invention.
  • Figure 8 is a schematic structural view of a film supply unit of the present invention.
  • Figure 9 is a schematic structural view of a film feeding unit of the present invention.
  • Figure 10 is a schematic structural view of a synchronous sealing and cutting device of the present invention.
  • Figure 11 is a front view of the synchronous sealing and cutting device of the present invention.
  • Fig. 12 is a partially enlarged schematic structural view showing a portion A in Fig. 10. DETAILED DESCRIPTION OF THE INVENTION
  • the continuous sealing and cutting machine of the present invention comprises a frame 1, a synchronous filling device 2, a film coating device 3, a synchronous sealing and cutting device 4, and a film collecting device 5.
  • the frame 1 is provided with a transmission device 13, which includes a main drive sprocket 131, a drive sprocket 132, a drive chain 133 and a motor 134, the main Transmission
  • the sprocket 131 is drivingly coupled to the motor 134 via a rotating shaft 135.
  • the transmission chain 133 is mounted on the main drive sprocket 131 and the driven sprocket 132 and powered by the motor 134 to realize the transmission chain. 133 transmission.
  • the drive chain 133 is coupled to the formwork frame by a portal connector 136 to drive operation of the formwork frame.
  • the template 137 is provided with a positioning post 1371 for positioning when the heat sealing and cutting mechanism performs sealing and cutting.
  • the frame is provided with a guide rail 11, and the sliding plate 12 is disposed on the guide rail 11 and has a length smaller than a length of the guide rail 11, and the sliding plate 12 can be along the guide rail. 111 do horizontal movement.
  • the sliding plate 12 is provided with a screw hole 121 for fixing the heat sealing unit bracket and the heat sealing unit bracket, and a through hole 122 through which the cylinder piston can pass.
  • the sliding plate 12 is further provided with a screw hole for further stabilizing the heat sealing and cutting module.
  • the synchronous filling device includes a storage unit 21 and a feeding unit 22, the storage unit 21 is fixed on the frame 1, and the feeding unit 22 uses a sliding rod 211.
  • the storage unit 21 is mounted on the storage unit 21 and is fixed to the synchronous sealing and cutting device by a connecting rod 212.
  • the storage unit 21 and the feeding unit 22 are connected by a hose.
  • the sliding rod 211 is fixed to the storage unit 21 at the other end, and the other end is connected to the feeding unit 22, and the feeding unit 22 is slidable along the sliding rod 211.
  • the synchronous sealing and cutting device connected to the frame also slides horizontally, and the connecting rod 212 is fixed to the synchronous sealing and cutting device.
  • the hopper unit 21 is also moved along the sliding rod 211, and the feeding unit connected thereto is horizontally slid along the frame rail through the connecting rod.
  • the storage unit 21 is provided with a feed valve 213 for replenishing materials.
  • the feeding unit 22 includes a feeding port 221 and a discharging port 222 .
  • the feeding port 221 is connected to the storage unit by a hose, and the feeding unit 22 is provided with a cylinder 223 .
  • the cylinder controls the opening and closing of the discharge port 222 by a piston.
  • the feeding unit 22 is driven by the connecting rod 212 to follow the synchronous sealing and cutting device to slide back and forth along the sliding rod 211, and the opening and closing of the discharging port 222 is controlled by the cylinder 223, when the feeding unit When the movement in the same direction as the template is performed, the discharge port 222 is opened, and the feeding unit 22 is opened.
  • the template is filled; otherwise, after the template is filled, the feeding unit 22 slides along the guide rail in a direction opposite to the moving direction of the template, and the discharge port 222 is closed.
  • the sliding speed of the feeding unit 22 along the sliding rod 211 is the same as the moving speed of the template, and is kept relatively static with the template during the completion of the filling.
  • FIG. 8 is a schematic structural view of a film supply unit according to the present invention.
  • the film coating device includes a film supply unit and a film feed unit, and the film supply unit includes a film supply motor 311 and a drive connection with the film supply motor 311.
  • the film supply unit is further provided with a filming device 313, which includes a spring 3131 and a limiting rod 3132 to adapt to different specifications of the template.
  • the position of the film supply unit needs to be adjusted so that the packaging film can completely cover the template, and the filming device 313 realizes the position adjustment of the film supply shaft 312 by using the springs 3131 at both ends, and The position is fixed by the limit lever 3132.
  • the film feeding unit includes a conveying mechanism 321 and a control mechanism 322.
  • the conveying mechanism includes a main conveying shaft 3211, a conveying shaft 3212, an optical probe 3213, and a second servo motor 3214.
  • the main transmission shaft 3211 is drivingly coupled to the second servo motor 3214, and the slave transmission shaft 3212 is in surface contact with the main transmission shaft 3211.
  • the control mechanism 322 includes a movable shaft 3221, a movable shaft slot 3222, and a proximity.
  • the switch 3223, the movable shaft 3221 can slide along the movable shaft groove 3222.
  • the main transfer shaft 3211 drives the slave transfer shaft 3212 to operate, and the friction formed by the contact of the shaft faces of the two transfer shafts drives the packaging film forward.
  • the second servo motor 3214 controls the film feeding unit to achieve a precise film feeding effect.
  • the proximity switch 3223 includes a start switch 32231 and an cutoff switch 32232.
  • the start switch 32231 is disposed near an upper end of the movable shaft slot 3222
  • the cutoff switch 32232 is disposed near a lower end of the movable shaft slot 3222. position.
  • control mechanism 322 is further provided with a guide film shaft 3224, the guide film shaft 3224 has a vertical height higher than the vertical height of the cut-off switch 32232 and is located at the movable shaft groove 3222 and the transport mechanism. Between 321 .
  • a second guide film shaft 3225 is further disposed between the movable shaft groove 3222 and the film supply unit.
  • the second guide film shaft 3225 has a vertical height higher than a vertical height of the start switch 32231, and the packaging film is from the second guide
  • the upper end of the film shaft 3225 passes through and bypasses the lower end surface of the movable shaft 3221, and finally passes out from the upper end surface of the guide film shaft 3224, forming an angle at the movable shaft 3221, when the conveying mechanism 322 transmits
  • the packaging film is tightened, and the movable shaft 3221 is moved upward along the movable shaft groove 3222 due to its own tension until the position of the start switch 32231 is reached, and the start switch 32231 detects the movable shaft 3221.
  • the film feeding motor starts to work, and the film feeding unit starts to release the film. Since the film discharging speed of the film feeding unit is greater than the film feeding speed of the film feeding unit, the packaging film becomes slack and the tension disappears, and the movable shaft 3221 is The self-weight slides downward along the movable slot 3222. When sliding to the cut-off switch 32232, the film-spreading mechanism motor stops running, the film feeding unit continues to feed the film, and the packaging film is tightened, and the above-mentioned supply is repeated. Membrane process.
  • the film feeding unit is further provided with a light probe 323 for identifying the mark on the packaging film to further precisely control the film feeding length, and the light probe is disposed close to Positioning the guide film shaft 3224, when the film feeding unit stops feeding the film, the light probe 323 just detects the preset package film color mark, and the film feeding unit does not have an error in the film length, if When the film feeding unit stops the film feeding, the optical probe 323 does not detect the pre-set film color code, and the film feeding unit has an error in the film feeding length, and the device is suspended and alarmed.
  • the optical probe 3113 is further provided with a sliding rod 32131, and the optical probe 3213 is moved back and forth along the sliding direction of the sliding rod 32131 in the template conveying direction and in a direction perpendicular to the template conveying direction to adapt to different widths. Template.
  • the conveying mechanism is further provided with a flattening table 3215 for flatly covering the packaging film on the template to avoid wrinkles.
  • the synchronous sealing and cutting device 4 includes a first servo motor 41 and a heat sealing and cutting mechanism, and the first servo motor 41 is fixed on the frame, the first The servo motor 41 is drivingly connected to the heat sealing and cutting mechanism, and the heat sealing and cutting mechanism is mounted on the sliding plate 12, and the heat sealing and cutting mechanism is driven by the first servo motor 41 along the sliding plate 12 along the machine The frame rail 11 slides.
  • the heat sealing and cutting mechanism includes a heat sealing and cutting unit 421 and a heat sealing unit 422.
  • the heat sealing and cutting unit 421 and the heat sealing unit 422 are respectively mounted on the sliding plate 12, and the sliding plate 12 passes through the guiding rail 11 and the
  • the sliding frame 12 is fixedly disposed, and the sliding plate 12 is fixedly disposed with the driving rack 121.
  • the first servo motor 41 is fixed on the frame 1 and is meshed with the driving rack 121. When the servo motor 41 is in operation, the sliding plate 12 is moved along the guide rail by the driving rack 121 meshed therewith, thereby driving the heat sealing and cutting unit 421 and the heat sealing unit 422 and the feeding unit in the
  • the first servo motor 41 is driven synchronously.
  • the heat sealing and cutting unit 421 includes a bracket 4211, a cylinder 4212, and a heat sealing and cutting module 4213.
  • the bracket 4211 is mounted on the sliding plate 12 and slidable along the frame rail 11, and the cylinder 4212 is mounted on the sliding On the board 12, the heat sealing and cutting module 4213 is connected to the piston rod 42121 of the cylinder 4212.
  • the lower end of the bracket 4211 is provided with a resisting plate 4214 corresponding to the position of the heat sealing and cutting module 4213.
  • the heat sealing and cutting module 4213 and the The abutting plates 4214 are respectively located above and below the formwork frame.
  • the bracket 4211 includes an upper cover 42111, a lower cover 42112 and a support 42113.
  • the support 42113 is divided into upper and lower sections and fastened with the slide plate 12 on the frame.
  • a plurality of struts 42131 are also used to connect the sliding plate 12.
  • the cylinder includes a first cylinder 42121 and a second cylinder 42122.
  • the first cylinder block is connected to the cylinder of the second cylinder, and the first cylinder piston rod is connected to the upper cover.
  • a two-cylinder piston rod 421221 is coupled to the pressure plate.
  • the second cylinder rod 421221 is connected with a first pressure plate 4215, the first pressure plate 4215 is provided with an inverted T-shaped protrusion 42151, and a second pressure plate 4216 is disposed corresponding to the first pressure plate 4215, the second The pressing plate 4216 is provided with an inverted T-shaped groove 42161 corresponding to the first pressing plate 4215, and the first pressing plate 4215 and the second pressing plate 4216 can slide relative to each other along the groove 42161.
  • the first pressure plate 4215 and the second pressure plate 4216 are fastened by a nut and are provided with a handle 4217.
  • the second pressure plate 4216 can be used by the handle 4217. Pulling out in a direction perpendicular to the cross section of the groove 42161, the heat sealing and cutting module 4213 component can be adjusted and replaced according to the template model on the formwork frame.
  • the heat sealing and cutting module 4213 includes a heat sealing and cutting mechanism 42132 and a cutter 42133.
  • the heat sealing unit 422 has the same structure as the heat sealing and cutting unit 421 except that no cutter is provided.
  • the first servo motor drives the heat sealing and cutting mechanism 42 and the feeding unit to reciprocate, and when the sliding direction of the heat sealing and cutting mechanism 42 is consistent with the template conveying direction, the cylinder piston 42121 is punched downward.
  • the heat sealing and cutting mechanism 42 completes the heat seal bonding and film cutting process of the packaging film. In this process, the heat sealing and cutting mechanism 42 moves at a speed consistent with the template conveying speed, and the two remain relatively stationary.

Abstract

一种连续式封切机，包括机架（1）、传动装置（13）、同步灌料装置（2）、覆膜装置（3）、同步封切装置（4）及收膜装置（5）。同步灌料装置（2）包括固设在机架（1）上的储料单元（21）及利用滑动杆（211）安装于储料单元（21）上并与同步封切装置（4）利用连接杆（212）固接的送料单元（22）。同步封切装置（4）包括热封切机构及第一伺服电机（41），热封切机构包括热封切单元（421）及热封单元（422）。热封切机构与送料单元（22）在第一伺服电机（41）的驱动下同步动作。该连续式封切机能够连续传送，工作效率高，且能够适用多种不同模板，通用性强。

Description

连续式封切机 技术领域
本发明涉及一种容器封膜设备， 尤其涉及一种热封切时模板不暂停传送的 连续式封切机。 背景技术
目前现有技术中采用的热封机， 一般包括传动装置、 灌料装置、 覆膜装置、 热封切装置等等， 通常这几部分为独立部件， 即工序上独立， 在加工过程中待 传动装置将容器运送至灌料装置下时， 传动装置暂停运转， 待容器填充完料后 传动装置再次启动， 将容器运送至热封切装置下， 再一次暂停， 由覆膜装置对 容器进行覆膜， 再由热封切装置进行热封切， 此过程中由于灌料装置、 覆膜装 置、 热封切装置不相关联， 加工过程需多次停顿， 加工效率低， 不适用于大批 量生产中， 且覆膜装置无法同步骤根据实际所要需要覆膜的长度精准控制输送 膜， 一定程度上也造成了材料的浪费， 另外在加工过程中， 由于现技术的热封 切装置的模具一般为固定设置， 难以更换热封切模具和刀具以适应于不同形状 的加工， 设备通用性不强， 在对不同规格形状产品加工时投入成本大。 发明内容
本发明实施例所要解决的技术问题在于， 提供一种灌料及覆膜封切时无需 暂停传送的连续式封切机， 在进行灌料、 放膜及封切的过程中可以持续传输、 精准备送膜、 随时更换热封切模具和刀具， 大大提高流水线的工作效率， 节约 时间， 降低生产成本。
本方案包括机架、 同步灌料装置、 覆膜装置、 同步封切装置及收膜装置， 其巾：
所述机架设有导轨、 传动装置及模板架， 所述传动装置包括主传动链轮、 传动链条及从传动链轮， 所述传动链条安装在所述主传动链轮和从传动链轮上， 所述主传动链轮与电机输出端传动连接， 所述传动链条与所述模板架固定连接， 所述模板架用于放置不同规格的模板， 所述模板固定于所述模板架上， 所述收 膜装置设置于所述机架上， 所述主传动轮带动与其相连接的传动链条使所述模 板向前传送， 所述主传动轮通过传动轴与电机连接。
较佳地， 为方便所述模板的更换， 所述模板设置有固定槽， 所述固定槽一 端开孔大， 另一端开孔小， 对应地， 所述模板架设有 T形螺钉， 所述 T形螺钉 从所述固定槽开孔大处穿过并移动所述模板使螺钉位置处于开孔小的一端， 利 用螺钉的钉帽固定住所述模板。
所述同步灌料装置包括储料单元及送料单元， 所述储料单元固定设置于所 装置利用连接杆固接 , 所述储料单元与所述送料单元利用软管连通。
较佳地， 所述储料单元设置有进料阀门， 用于补充物料。
所述送料单元包括进料口及出料口， 所述进料口利用软管与所述储料单元 连通， 所述送料单元设有气缸， 所述气缸通过活塞杆控制所述出料口的开启和 闭合。
所述覆膜装置固设于所述机架上， 包括供膜单元及送膜单元， 所述供膜单 元包括供膜电机以及与所述供膜电机传动连接的供膜轴， 所述送膜单元包括传 送机构及控制机构， 所述传送机构包括主传送轴、 从传送轴、 光探头及第二伺 服电机， 所述主传送轴与所述第二伺服电机传动连接， 所述从传送轴与所述主 传送轴面接触配合， 所述控制机构包括活动轴、 活动轴槽及接近开关， 所述活 动轴可沿所述活动轴槽滑动。
当所述第二伺服电机运转时， 所述主传送轴带动所述从传送轴运转， 两传 送轴轴面相接触处形成的摩擦力带动包装膜向前传送。
所述第二伺服电机控制所述送膜单元达到精准送膜的效果。
需要说明的是， 为了使送膜的长度更加精确， 以节省材料， 所述送膜单元 还设置有光探头， 用于识别包装膜上标识来进一步精确控制送膜长度。
较佳地， 所述光探头可沿模板传送方向前后移动。
较佳地， 所述光探头还可以沿与所述模板传送方向垂直的方向平移， 以适 应不同宽度的模板。
较佳地， 所述接近开关包括启动开关以及截止开关， 所述启动开关设置于 所述活动轴槽上端位置， 所述截止开关设置于所述活动轴槽下端位置。 较佳地， 所述控制机构还设置有导膜轴， 所述导膜轴竖直高度高于所述启 截止开关的竖直高度且位于所述活动轴槽与所述传送机构之间。
需要说明的是， 当所述供膜单元竖直高度低于所述启动开关的竖直高度时， 还需在所述活动轴槽与所述供膜单元之间设置第二导膜轴， 所述第二导膜轴竖 直高度高于所述启动开关竖直高度， 包装膜从第二导膜轴上端截面穿过并绕过 所述活动轴下端表面， 最后从所述导膜轴上端表面绕出， 在所述活动轴处形成 一个夹角， 当所述传送机构传送包装膜时该包装膜收紧， 由于本身张力使所述 活动轴沿所述活动轴槽向上移动， 直至到达所述启动开关位置， 所述启动开关 检测到所述活动轴后所述供膜电机启动工作， 所述供膜单元开始放膜， 由于所 述供膜单元放膜速度大于所述送膜单元送膜速度， 包装膜变松弛， 张力消失， 所述活动轴由于自身重量沿所述活动槽向下滑动， 当滑动到所述截止开关时， 所述放膜机构电机停止运转， 所述送膜单元持续送膜， 所述包装膜收紧， 重复 上述供膜过程。
较佳地， 所述传送机构还设置有平整台， 所述平整台用于使包装膜平整地 覆于所述模板之上， 避免起皱。
所述收膜机构包括收紧机构、 收膜卷轴及电机， 所述电机设有离合机构， 所述收紧机构与所述电机传动连接并通过传送带与所述收膜卷轴传动连接。
所述电机带动所述收膜卷轴转动收走封切之后的包装膜余料。
所述送料单元由连接杆带动跟随所述同步封切装置沿沿所述滑动杆做往复 滑动， 并由所述气缸控制所述出料口的开启与闭合， 当所述送料单元做与所述 模板同向运动时， 所述出料口开启， 所述送料单元对所述模板灌料； 反之， 在 完成对模板灌料后所述送料单元沿导轨滑动， 方向与所述模板运动方向相反， 此时所述出料口闭合。
需要说明的是， 所述送料单元沿所述导轨滑动速度与所述模板运动速度相 同， 在完成灌料的过程中与所述模板保持相对静止状态。
所述同步封切装置包括热封切机构以及第一伺服电机， 所述热封切机构包 动板上， 所述滑动板通过导轨与所述机架滑动连接， 所述滑动板固定设置传动 齿条， 所述第一伺服电机固设于所述机架上并与所述传动齿条啮合连接， 当所 述第一伺服电机运转时， 通过与其啮合的传动齿条使所述滑动板沿所述导轨移 电机的驱动下同步动作。
所述热封切单元包括支架、 气缸及热封切模块， 所述支架安装于所述滑动 板上并可沿所述机架导轨滑动， 所述气缸安装于所述滑动板上， 所述热封切模 块与所述气缸的活塞杆连接， 所述支架下端与所述热封切模块位置对应地设置 有抵板， 所述热封切模块与所述抵板分别位于所述模板架的上方和下方。
进一步地， 所述热封切模块包括热封切机构及切刀。
需要说明的是， 所述热封单元除了不设置切刀之外其结构与所述热封切单 元相同。
所述支架包括上下盖板及多根支柱， 所述支柱分为上下两段并与所述机架 上滑动板紧固在一起。
较佳地， 所述滑动板设有可供所述气缸活塞通过的通孔。
所述气缸包括第一气缸、 第二气缸， 所述第一气缸缸体与所述第二气缸的 缸体连接， 所述第一气缸活塞杆与所述上盖板连接， 所述第二气缸活塞杆与所 述压板连接。
需要说明的是， 为了进一步稳固所述热封切模块， 还利用多根支柱将其与 所述滑动板相连接。
所述气缸活塞连接有第一压板， 所述第一压板设有倒 T形凸块， 与所述第 一压板对应地设置有第二压板， 所述第二压板设有与所述第一压板对应的倒 T 形凹槽， 所述第一、 第二压板可沿凹槽发生相对滑动。
需要说明的是， 所述第一、 第二压板通过螺帽紧固， 并设置有把手， 当需 要更换热封切模块零部件时可通过把手将所述第二压板沿与凹槽截面垂直的方 向拉出 , 所述热封切模块零部件可根据所述模板架上的模板型号进行调整更换。
较佳地， 所述热封切模块设置有定位孔， 对应地所述模板设有定位柱， 在 所述热封切模块对所述模板进行封切时， 所述定位柱嵌入所述定位孔中， 防止 当所述热封切结构与所述模板相对位置发生偏移时发生误操作。 所述热封切机构滑动方向与所述模板传送方向一致时所述气缸活塞向下冲压， 所述热封切机构完成包装膜的热封粘合及切膜的流程， 在这个过程中， 所述热 封切机构运动速度与所述模板传送速度一致， 两者保持相对静止状态。 所述供膜单元设有校膜装置， 所述校膜装置包括弹簧及限位杆以适应不同 规格的模板。
本发明通过利用伺服电机实现灌料与封口过程所述同步灌料装置及所述同 步封切装置以与模板相同的速度运行， 在完成灌料与封口的流程时与所述模板 保持相对静止， 所述模板无需暂停传送， 提高了工作效率， 另外还设置了更换 封切零部件装置及校膜装置， 可适用多种不同模板， 提高了设备通用性， 减少 生产投入。 附图说明
图 1是本发明连续式封切机的结构示意图；
图 2是本发明连续式封切机的主视图；
图 3是本发明连续式封切机机架立体图；
图 4是本发明传动链条与模板架连接示意图；
图 5是本发明机架导轨及滑动板结构示意图；
图 6是本发明同步灌料装置机构示意图；
图 7是本发明送料单元结构示意图；
图 8是本发明供膜单元结构示意图；
图 9是本发明送膜单元结构示意图；
图 10是本发明同步封切装置结构示意图；
图 11是本发明同步封切装置主视图；
图 12是示出图 10中 A部的局部放大结构示意图。 具体实施方式 为使本发明的目的、 技术方案和优点更加清楚， 下面将结合附图对本发明 作进一步地详细描述。
如图 1、 图 2所示， 本发明连续式封切机包括机架 1、 同步灌料装置 2、 覆 膜装置 3、 同步封切装置 4及收膜装置 5。
参照图 1、 图 3及图 4所示， 所述机架 1设有传动装置 13 , 所述传动装置 包括主传动链轮 131、 从传动链轮 132、 传动链条 133及电机 134, 所述主传动 链轮 131通过转轴 135与所述电机 134传动连接， 所述传动链条 133安装于所 述主传动链轮 131及所述从传动链轮 132上并由所述电机 134提供动力实现所 述传动链条 133的传输。
所述传动链条 133通过门形连接件 136与模板架连接， 从而带动所述模板 架的运转。
所述模板 137设有定位柱 1371用以当所述热封切机构进行封切时的定位。 参照图 2、 图 5所示， 所述机架设有导轨 11 , 所述滑动板 12设置于所述导 轨 11上且其长度小于所述导轨 11的长度， 所述滑动板 12可沿所述导轨 111做 水平移动。
所述滑动板 12设置有用于固定所述热封切单元支架及所述热封单元支架的 螺孔 121及可供所述气缸活塞通过的通孔 122。
优选地， 所述滑动板 12还设置有用于进一步稳固所述热封切模块的螺孔
123。
参照图 1、 图 6所示， 所述同步灌料装置包括储料单元 21及送料单元 22, 所述储料单元 21 固设于所述机架 1上， 所述送料单元 22利用滑动杆 211安装 于所述储料单元 21上并与所述同步封切装置利用连接杆 212固接， 所述储料单 元 21与所述送料单元 22利用软管连通。
所述滑动杆 211—端固接于所述储料单元 21上，另一端与所述送料单元 22 连接， 所述送料单元 22可沿所述滑动杆 211滑动。
当所述伺服电机使滑板在机架 1 上水平滑动， 连接在所述机架上的所述同 步封切装置也随之水平滑动， 通过所述连接杆 212 与所述同步封切装置固接的 所述储料单元 21也随之沿所述滑动杆 211移动， 并通过连接杆使与其相连的所 述送料单元沿机架导轨做水平滑动。
较佳地， 所述储料单元 21设置有进料阀门 213 , 用于补充物料。
如图 7所示， 所述送料单元 22包括进料口 221及出料口 222, 所述进料口 221利用软管与所述储料单元连通， 所述送料单元 22设有气缸 223 , 所述气缸 通过活塞控制所述出料口 222的开启和闭合。
所述送料单元 22由连接杆 212带动跟随所述同步封切装置沿沿所述滑动杆 211做往复滑动， 并由所述气缸 223控制所述出料口 222的开启与闭合， 当所述 送料单元 22做与所述模板同向运动时， 所述出料口 222开启， 所述送料单元 22 对所述模板灌料； 反之， 在完成对模板灌料后所述送料单元 22沿导轨滑动， 方 向与所述模板运动方向相反， 此时所述出料口 222闭合。
需要说明的是， 所述送料单元 22沿所述滑动杆 211滑动速度与所述模板运 动速度相同， 在完成灌料的过程中与所述模板保持相对静止状态。
如图 8 所示是本发明供膜单元结构示意图， 所述覆膜装置包括供膜单元及 送膜单元，所述供膜单元包括供膜电机 311以及与所述供膜电机 311传动连接的 供膜轴 312。
所述供膜单元还设有校膜装置 313 , 所述校膜装置包括弹簧 3131及限位杆 3132以适应不同规格的模板。
当模板更换时， 需要对所述供膜单元位置进行调整以使包装膜能完全覆盖 所述模板， 所述校膜装置 313通过利用两端弹簧 3131实现所述供膜轴 312的位 置调整， 并利用所述限位杆 3132将其位置进行固定。
图 9是本发明送膜单元结构示意图， 所述送膜单元包括传送机构 321及控 制机构 322, 所述传送机构包括主传送轴 3211、 从传送轴 3212、 光探头 3213及 第二伺服电机 3214, 所述主传送轴 3211与所述第二伺服电机 3214传动连接， 所述从传送轴 3212与所述主传送轴 3211面接触配合， 所述控制机构 322包括 活动轴 3221、 活动轴槽 3222及接近开关 3223 , 所述活动轴 3221可沿所述活动 轴槽 3222滑动。
当所述第二伺服电机 3214运转时， 所述主传送轴 3211 带动所述从传送轴 3212运转， 两传送轴轴面相接触处形成的摩擦力带动包装膜向前传送。
所述第二伺服电机 3214控制所述送膜单元达到精准送膜的效果。
较佳地， 所述接近开关 3223包括启动开关 32231以及截止开关 32232, 所 述启动开关 32231设置于靠近所述活动轴槽 3222上端位置，所述截止开关 32232 设置于靠近所述活动轴槽 3222下端位置。
较佳地， 所述控制机构 322还设置有导膜轴 3224, 所述导膜轴 3224竖直高 度高于所述截止开关 32232的竖直高度且位于所述活动轴槽 3222与所述传送机 构 321之间。
优选的， 当所述供膜单元竖直高度低于所述启动开关 32231的竖直高度时， 还需在所述活动轴槽 3222与所述供膜单元之间设置第二导膜轴 3225 ,所述第二 导膜轴 3225竖直高度高于所述启动开关 32231竖直高度， 包装膜从所述第二导 膜轴 3225上端截面穿过并绕过所述活动轴 3221下端表面， 最后从所述导膜轴 3224上端表面绕出， 在所述活动轴 3221处形成一个夹角， 当所述传送机构 322 传送包装膜时该包装膜收紧， 由于本身张力使所述活动轴 3221沿所述活动轴槽 3222向上移动， 直至到达所述启动开关 32231位置， 所述启动开关 32231检测 到所述活动轴 3221后所述供膜电机启动工作， 所述供膜单元开始放膜， 由于所 述供膜单元放膜速度大于所述送膜单元送膜速度， 包装膜变松弛， 张力消失， 所述活动轴 3221 由于自身重量沿所述活动槽 3222向下滑动， 当滑动到所述截 止开关 32232 时， 所述放膜机构电机停止运转， 所述送膜单元持续送膜， 所述 包装膜收紧， 重复上述供膜过程。
优选地， 为了使送膜的长度更加精确， 以节省材料， 所述送膜单元还设置 有光探头 323 , 用于识别包装膜上标识来进一步精确控制送膜长度， 所述光探头 设置于靠近所述导膜轴 3224位置，当所述送膜单元停止送膜时，所述光探头 323 刚好探测到预先设置好的包装膜色标， 则送膜单元送膜长度没有出现误差， 若 所述送膜单元停止送膜时所述光探头 323没有探测到预先设置好的包装膜色标， 则所述送膜单元送膜长度出现错误， 此时设备暂停运转并报警提醒。
优选地， 所述光探头 3113还设置有滑动杆 32131 , 所述光探头 3213沿所述 滑动杆 32131 沿所述模板传送方向前后移动及与所述模板传送方向垂直的方向 平移， 以适应不同宽度的模板。
优选地， 所述传送机构还设置有平整台 3215 , 所述平整台 3215用于使包装 膜平整地覆于所述模板之上， 避免起皱。
参照图 2、 图 5、 图 10及图 11 , 所述同步封切装置 4包括第一伺服电机 41 及热封切机构， 所述第一伺服电机 41固设于所述机架上， 所述第一伺服电机 41 与所述热封切机构传动连接， 所述热封切机构安装于所述滑动板 12上， 所述热 封切机构在所述第一伺服电机 41带动下可随滑动板 12沿所述机架导轨 11滑动。
所述热封切机构包括热封切单元 421及热封单元 422, 所述热封切单元 421 及所述热封单元 422分别安装于所述滑动板 12上， 所述滑动板 12通过导轨 11 与所述机架 1滑动连接， 所述滑动板 12固定设置传动齿条 121 , 所述第一伺服 电机 41固设于所述机架 1上并与所述传动齿条 121啮合连接， 当所述第一伺服 电机 41运转时， 通过与其啮合的传动齿条 121使所述滑动板 12沿所述导轨移 动， 从而带动所述热封切单元 421及所述热封单元 422与所述送料单元在所述 第一伺服电机 41的驱动下同步动作。
所述热封切单元 421 包括支架 4211、 气缸 4212及热封切模块 4213 , 所述 支架 4211安装于所述滑动板 12上并可沿所述机架导轨 11滑动， 所述气缸 4212 安装于所述滑动板 12上，所述热封切模块 4213与所述气缸 4212的活塞杆 42121 连接，所述支架 4211下端与所述热封切模块 4213位置对应地设置有抵板 4214, 所述热封切模块 4213与所述抵板 4214分别位于所述模板架的上方和下方。
所述支架 4211 包括上盖板 42111、 下盖板 42112及支柱 42113 , 所述支柱 42113分为上下两段并与所述机架上滑动板 12紧固在一起。
优选地， 为了进一步稳固所述热封切模块 4213 , 还利用多根支柱 42131将 其与所述滑动板 12相连接。
所述气缸包括第一气缸 42121、 第二气缸 42122, 所述第一气缸缸体与所述 第二气缸的缸体连接， 所述第一气缸活塞杆与所述上盖板连接， 所述第二气缸 活塞杆 421221与所述压板连接。
所述第二气缸活塞杆 421221连接有第一压板 4215 , 所述第一压板 4215设 有倒 T形凸块 42151 , 与所述第一压板 4215对应地设置有第二压板 4216, 所述 第二压板 4216设有与所述第一压板 4215对应的倒 T形凹槽 42161 ,所述第一压 板 4215与所述第二压板 4216可沿凹槽 42161发生相对滑动。
优选的， 所述第一压板 4215及所述第二压板 4216通过螺帽紧固， 并设置 有把手 4217, 当需要更换热封切模块 4213零部件时可通过把手 4217将所述第 二压板 4216沿与凹槽 42161截面垂直的方向拉出， 所述热封切模块 4213零部 件可根据所述模板架上的模板型号进行调整更换。
如图 12所示， 所述热封切模块 4213包括热封切机构 42132及切刀 42133。 所述热封单元 422除了不设置有切刀之外其结构与所述热封切单元 421结 构相同。
所述第一伺服电机带动所述热封切机构 42及所述送料单元进行往复运动， 当所述热封切机构 42滑动方向与所述模板传送方向一致时所述气缸活塞 42121 向下冲压， 所述热封切机构 42完成包装膜的热封粘合及切膜的流程， 在这个过 程中， 所述热封切机构 42运动速度与所述模板传送速度一致， 两者保持相对静 止状态。
以上所揭露的仅为本发明一种较佳实施例而已， 当然不能以此来限定本发 明之权利范围， 因此依本发明权利要求所作的等同变化， 仍属本发明所涵盖的 范围。

Claims

权 利 要 求
1.一种连续式封切机， 包括机架、 传动装置、 同步灌料装置、 覆膜装置、 同步封 切装置及收膜装置， 所述传动装置带动所述模板架向前运转， 所述模板架用于放置 不同规格的模板， 所述同步灌料装置、 所述覆膜装置及所述收膜装置设置于所述机 架上， 其特征在于：
所述同步灌料装置包括储料单元及送料单元， 所述储料单元固设于所述机架上， 所述送料单元利用滑动杆安装于所述储料单元上并与所述同步封切装置利用连接杆 固接， 所述储料单元与所述送料单元连通；
所述同步封切装置包括热封切机构以及第一伺服电机， 所述热封切机构包括热 封切单元及热封单元， 所述热封切单元及热封单元通过滑动板相互连接， 所述滑动 板通过导轨与所述机架滑动连接， 所述滑动板固定设置传动齿条， 所述第一伺服电 机固设于所述机架上并与所述传动齿条啮合连接， 所述热封切单元及所述热封单元 与所述送料单元在所述第一伺服电机的驱动下同步动作。
2.根据权利要求 1所述的连续式封切机，其特征在于，所述热封切单元包括支架、 气缸及热封切模块， 所述支架安装于所述滑动板上， 所述气缸安装于所述滑动板上， 所述热封切模块与所述气缸的活塞杆连接， 所述支架下端与所述热封切模块位置对 应地设置有抵板， 所述热封切模块与所述抵板分别位于所述模板架的上方和下方。
3.根据权利要求 2所述的连续式封切机， 其特征在于， 所述气缸活塞杆连接有第 一压板， 所述第一压板设有倒 T形凸块， 所述第一压板对应地设置有第二压板， 所 述第二压板设有与所述第一压板对应的倒 T形凹槽， 所述第一、 第二压板可沿凹槽 发生相对滑动。
4.根据权利要求 1所述的连续式封切机， 其特征在于， 所述送料单元包括进料口 及出料口， 所述进料口利用软管与所述储料单元连通， 所述送料单元设有气缸， 所 述气 通过活塞控制所述出料口的开启和闭合。
5.根据权利要求 1所述的连续式封切机， 其特征在于， 所述覆膜装置包括供膜单 元及送膜单元， 所述供膜单元包括供膜电机及与所述供膜电机传动连接的供膜轴， 所述送膜单元包括传送机构及控制机构， 所述传送机构包括主传送轴、 从传送轴、 光探头及第二伺服电机， 所述主传送轴与所述第二伺服电机传动连接， 所述从传送 轴与所述主传动轴面接触配合， 所述控制机构包括活动轴、 活动轴槽及接近开关， 所述活动轴可沿所述活动轴槽滑动。
6.根据权利要求 5所述的连续式封切机， 其特征在于， 所述接近开关包括启动开 关以及截止开关， 所述启动开关设置于所述活动轴槽上端位置， 所述截止开关设置 于所述活动轴槽下端位置， 所述启动开关与所述截止开关控制所述供膜电机的运行 及停止。
7.根据权利要求 1所述的连续式封切机， 其特征在于， 所述传动装置包括主传动 链轮、 传动链条及从传动链轮， 所述传动链条安装在所述主传动链轮和从传动链轮 上， 所述主传动链轮与电机输出端传动连接， 所述传动链条与所述模板架固定连接， 模板固定于所述模板架上。
8.根据权利要求 1所述的连续式封切机， 其特征在于， 所述收膜机构包括收紧机 构、 收膜卷轴及电机， 所述电机设有离合机构， 所述收紧机构与所述电机传动连接 并通过传送带与所述收膜卷轴传动连接。
9.根据权利要求 1〜8任意一项所述的连续式封切机， 其特征在于， 所述供膜单元 设有校膜装置， 所述校膜装置包括弹簧及限位杆， 通过所述限位杆配合所述弹簧调 整所述供膜单元与所述模板对应的位置。
10.根据权利要求 1〜8任意一项所述的连续式封切机， 其特征在于， 所述机架还 设有压杯装置， 所述压杯装置包括压盘及气缸， 所述压盘与所述气缸活塞杆连接。
PCT/CN2011/081420 2011-10-09 2011-10-27 连续式封切机 WO2013053154A1 (zh)

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