WO2017084129A1 - 一种包装机 - Google Patents

一种包装机 Download PDF

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Publication number
WO2017084129A1
WO2017084129A1 PCT/CN2015/096893 CN2015096893W WO2017084129A1 WO 2017084129 A1 WO2017084129 A1 WO 2017084129A1 CN 2015096893 W CN2015096893 W CN 2015096893W WO 2017084129 A1 WO2017084129 A1 WO 2017084129A1
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WO
WIPO (PCT)
Prior art keywords
mold
sealing
cutting
molding
driving device
Prior art date
Application number
PCT/CN2015/096893
Other languages
English (en)
French (fr)
Inventor
胡少白
Original Assignee
胡少白
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 胡少白 filed Critical 胡少白
Priority to US15/776,792 priority Critical patent/US10562657B2/en
Publication of WO2017084129A1 publication Critical patent/WO2017084129A1/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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/04—Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]

Definitions

  • a package :
  • the invention relates to a packaging machine, which is mainly used in a packaging production line for packaging and cutting materials (such as syringes, injection needles, infusion sets, surgical bags, medicines and foods).
  • a packaging production line for packaging and cutting materials (such as syringes, injection needles, infusion sets, surgical bags, medicines and foods).
  • the working principle of the prior art packaging machine packaging the base film on the machine (referred to as the base film, which is a plastic film). Both sides are clamped into the machine by the clip chain; the drive of the machine makes the clip chain go a single mode distance.
  • the base film is brought into the forming zone, and the base film is formed into a plurality of cavities suitable for discharging the material by heating and absorbing by the mold; the bottom film enters the discharge area, and the material is placed into the base film by manual or auxiliary machine.
  • the mold corresponding to the packaged product (including the molding die, the sealing die) is replaced with the machine, the size of the mold is matched, and then the mold is applied: different materials are packaged differently.
  • a mold suitable for this material For each batch of product, it is necessary to replace the two molds of the molding die and the sealing die. The replacement of the mold requires professional personnel to complete the mold. After the mold is replaced, the mold, adjustment, trial mold, and re-adjustment are required until the position is accurate. The work is complicated and cumbersome, costly, technically high, and the quality of the mold is heavy. The replacement of the mold requires professional and strong personnel to complete.
  • the bottom film is accurately driven into the sealing mold after several single-mode distances driven by the machine. If there is a deviation, the sealing offset will occur, so it is necessary to adjust the position of the molding die or the sealing die; After sealing, it should also fall into the cutting die after several single-mode distances.
  • the position of the cutting die needs to be adjusted.
  • the position of the forming and sealing die needs to be adjusted. Adjust the coarse adjustment, fine adjustment, trial operation, etc., all of which can meet the requirements before they can work normally. When the variety is changed, the single mode distance is different due to the difference in the mold, and the above adjustment work is repeated. That is, the prior art requires frequent manual adjustment of the distance between the molding mechanism, the sealing mechanism, and the cutting mechanism. The adjustment work is complicated It is cumbersome, and it is necessary to waste more packaging materials, energy consumption and daytime, etc.
  • the technical problem first solved by the present invention is that the molding mechanism, the sealing mechanism, and the cutting mechanism are accurately positioned with each other, so that each product on the packaging machine is precisely aligned by the molding mechanism, the sealing mechanism, and the cutting mechanism.
  • a second technical problem solved by the present invention is the problem of automatic mating positioning of the mold and the cross-cutting blade.
  • a third technical problem solved by the present invention is to provide an automatic mold changing device having the same two sets, the first automatic mold changing device is used for the sealing mechanism, and the second automatic mold changing device is used for Forming mechanism to achieve automatic mold change.
  • the present invention solves the technical problem of accurately positioning each other between the molding mechanism, the sealing mechanism and the cutting mechanism.
  • the technical solution adopted is as follows:
  • a packaging machine comprising a bottom film film-injecting mechanism, a molding mechanism, a sealing mechanism, a cutting mechanism, a clip chain, a clip chain driving device, a bottom film film-injecting mechanism, a molding mechanism, a sealing mechanism, and a cutting mechanism are sequentially arranged ⁇
  • the lines are at an integer multiple of the width of the mold.
  • the electrical control unit adjusts the other two mechanisms to the working reference line and the determined position mechanism working reference line at an integral multiple of the width of the mold according to the working reference line of the fixed one mechanism and fixes it.
  • the present invention is further provided with a molding mechanism driving device and a sealing mechanism driving device.
  • the electrical control device is connected to the molding mechanism driving device and the sealing mechanism driving device, and the molding mechanism driving device is connected with the molding mechanism, and the sealing mechanism driving device is connected. Connected to the sealing mechanism. First fix the position of the cutting mechanism, and the electrical control device adjusts the sealing mechanism working reference line to the working reference line of the cutting mechanism by the sealing mechanism driving device.
  • the integral part of the width of the mold is fixed and fixed, and the working mechanism reference line is adjusted by the molding mechanism driving device to an integral multiple of the width of the mold from the sealing mechanism working reference line and fixed.
  • a second technical problem solved by the present invention is the problem of coordinating positioning of a mold and a cross-cutting blade.
  • the working reference line of the mechanism of the invention adopts the center line of the mechanism, the center line of the forming mold coincides with the working reference line of the forming mechanism, and the center line of the sealing mold coincides with the working reference line of the sealing mechanism, and the forming mold and the sealing mold are both N-row mold, the mold width is L, the cross-cutting blade is provided with N cross-cutting knives, and the electrical control device makes the distance between adjacent cross-cutting knives IJN through the blade displacement driving device, cross-cutting the blade center line and the cutting mechanism The distance from the baseline is L/2N.
  • the design solves the problem of automatic matching of the mold and the cross-cutting blade, further improving the automation level and production efficiency.
  • the sealing mechanism drive device detects and displaces the sealing mechanism (maintaining the distance between the sealing mechanism working reference line and the cutting mechanism working reference line at an integral multiple of the mold width)
  • the molding mechanism driving device detects and moves the molding mechanism The position (the distance between the working reference line of the forming mechanism and the working reference line of the sealing mechanism is on the integral multiple of the width of the mold), and the adjustment is completed, and the machine enters the normal production work.
  • the third technical problem to be solved by the present invention is to provide an automatic mold changing device, wherein the molding mechanism and the sealing mechanism adopt an automatic mold changing device, and the automatic die changing device includes a mold lifting mechanism, a mold support, and a numerical control division.
  • Degree drive mechanism, indexing shaft, mold mounting frame, upper mold, upper mold is installed on the upper part of the frame, electrical control device is connected with mold lifting mechanism, numerical control indexing drive mechanism, mold lifting mechanism is connected with mold bracket, mold bracket and machine Sliding connection, CNC indexing drive mechanism and indexing shaft are mounted on the mold bracket, CNC indexing drive mechanism is connected with the indexing shaft, and the mold mounting bracket is fixedly mounted on the indexing shaft.
  • Several radial uniforms are fixedly mounted on the mold mounting bracket.
  • the distributed mold the electric control device controls the mold lifting mechanism, the numerical control indexing drive mechanism works, the upper mold cooperates with the mold, the mold lifting mechanism drives the mold support to a suitable position, and the numerical control indexing drive mechanism drives the indexing shaft to a suitable angle, so that the mold A mold on the mounting frame enters the working position, and other molds enter the waiting position. Home.
  • the above design realizes the automatic mold change of the mold, and the degree of automation is high, which reduces the professional requirements of the operator and reduces the labor, and saves the production efficiency and the production cost by saving the province, saving the materials, and energy saving.
  • the mold lifting mechanism employs a cylinder.
  • the invention provides a packaging machine with reasonable overall design and high degree of automation, without manual manual adjustment, realizing automatic alignment between the three mechanisms of the forming mechanism, the sealing mechanism and the cutting mechanism, the mold and the cross cutting Automatic matching of the blade, automatic mold change of the mold, intelligent machine, reducing the professional requirements of the operator, reducing labor, saving labor, saving materials, saving energy, improving production efficiency, reducing production cost
  • FIG. 1 is a schematic structural view of a packaging machine of the present invention.
  • FIG. 2 is a cross-sectional view showing the structure of the main body of the packaging machine of the present invention.
  • FIG 3 is a top plan view of the packaging machine of the present invention after it is racked off.
  • FIG. 4 is a plan view of the mold (including a molding die, a sealing die) of FIG. 3.
  • FIG. 5 is a schematic structural view of an automatic mold changing device of the present invention.
  • FIG. 6 is a schematic cross-sectional view of the automatic mold changing device of FIG. 5, in which the working mold is in a demolded state.
  • FIG. 7 is a schematic cross-sectional view of the automatic mold changing device shown in FIG. 5, wherein the working mold is in a mold clamping state.
  • FIG. 8 is a schematic view showing the structure of a main body of another automatic mold changing device of the present invention.
  • [0025] 1 a film entrance mechanism
  • [0026] 2 a molding mechanism, forming a base film by suction molding
  • [0028] 4 a sealing mechanism, covering the sealing film with a sealing film and heat sealing and sealing together;
  • [0029] 5 into the cover film (or paper) area; [0030] 6: a cutting mechanism, the continuous package is cut into monomers after the packaging is completed;
  • clip chain drive device drive the clip chain, so that each section of the mold width distance, pause, wait for the completion of the three mechanisms to complete a cycle
  • the mold, a plurality of molds are evenly distributed radially on the mold mounting frame;
  • [0050] 26 packaging the finished product after cutting.
  • the indexing axis is connected with the numerical control indexing driving mechanism, controlled by the numerical control indexing driving mechanism, and drives the mold mounting frame to rotate;
  • [0054] 30 a mold mounting bracket, which can be mounted with a plurality of molds, controlled by the indexing shaft; [0055] 31: The numerical control indexing drive mechanism is mounted on the mold bracket and controlled by the electrical control device to drive the indexing shaft to rotate;
  • [0056] 32 The upper mold, the standard universal type, is mounted on the frame of the packaging machine, and the mold is clamped against the lower mold to bear the sealing effect;
  • [0057] 33 A rack for mounting various parts of the packaging machine.
  • the packaging machine of the embodiment of the present invention comprises a bottom film film-injecting mechanism 1, a molding mechanism 2, a sealing mechanism 4, a cutting mechanism 6, a clip chain 9, a clip chain driving device 14, and a bottom film entrance.
  • the membrane mechanism 1, the molding mechanism 2, the sealing mechanism 4, and the cutting mechanism 6 are sequentially arranged, and the improved design includes the electrical control device 13, the molding mechanism driving device 16, the sealing mechanism driving device 15, the blade displacement driving device, and the cutting mechanism 4
  • the position of one of the three mechanisms of the molding mechanism 2, the sealing mechanism 4, and the cutting mechanism 6 is fixed and the working reference line is set, and then the electric control device 13 automatically adjusts the other two mechanisms to the working reference line thereof. It is determined that the positional reference line of the position mechanism is at an integral multiple of the width L of the mold and is fixed.
  • the working reference line adopts the center line of three mechanisms (see Fig. 1) or other set positions.
  • the center line of the forming mold 21-1 coincides with the working mechanism working line 19, and the center line of the sealing mold 21-2 works with the sealing mechanism.
  • the baselines coincide.
  • the working baseline can also be used for the starting position of the three mechanisms.
  • the longitudinal direction refers to the direction in which the base film moves on the packaging machine, that is, the direction from the molding mechanism 2 to the cutting mechanism 6 (the horizontal direction in FIG. 1), and the horizontal direction refers to the horizontal direction perpendicular to the longitudinal direction, that is, the up and down direction of FIG. .
  • the mold 21 includes a molding die 21-1, a sealing die 21-2, a molding die 21-1, and a sealing die 21-2 which are sized and have the same number of rows.
  • the cutting mechanism 6 is fixed and set its working reference line
  • the cutting mode is the whole cutting
  • the whole cutting is divided and the vertical cutting
  • the parameter setting of the electric control device 13 includes: the mold width L (the mold 21 The width in the left and right direction, when the mold 21 is composed of several rows of molds, is the total width of several rows of molds, see Figure 4), the number of vertical rows, the number of transverse rows.
  • the data of the used mold 2 1 is input to the electric control device 13, and the data includes the number of vertical rows, the width L of the mold, the number of transverse directions, and the electrical control device 13 Firstly, according to the selection of the parameters of the lateral number of the mold 21, the slitting blades 24 are automatically arranged.
  • the electrical control device 13 then moves the transverse cutting blade 23 into position by the blade displacement drive (when the transverse cutting blade 23 is a transverse cutter and is a row of jaws, the transverse cutting blade 23 is located at the left or right 0.5L position of the cutting mechanism working reference line 17; when the cross-cutting blade 23 is 2 knives and is 2 rows of dies, one of the cross-cutting blades 23 is aligned with the cutting mechanism working reference line 17 , the distance between the two cross-cutting blades in the cross-cutting blade 23 is 0.5 L), and then the distance and offset of the cutting mechanism working reference line 17 and the sealing mechanism working reference line 18 are automatically measured and calculated by the prior art.
  • the initial position of the cutting mechanism 6, the sealing mechanism 4, and the molding mechanism 2 can also be input in the electric control device 13, and then the distance and offset between the sealing mechanism 4 and the cutting mechanism 6 can be calculated by the parameters of the mold 21, and the molding mechanism 2, the distance and the offset between the sealing mechanism 4), the offset is transmitted to the sealing mechanism driving device 15, and the sealing mechanism 4 is moved to a position where the width L of the two working reference lines is an integer multiple. Automatically fixing the sealing mechanism 4, The position of the sealing mechanism 4 is determined. Similarly, the electrical control device 13 automatically measures and calculates the distance and offset of the sealing mechanism working reference line 18 from the working mechanism working reference line 19, and transmits the offset to the forming mechanism.
  • the device 16 moves the molding mechanism 2 to a position that is an integral multiple of the mold width L of the two working reference lines, automatically fixes the molding mechanism 2, and determines the position of the molding mechanism 2; the electrical control device 13 reconfirms the mutual position of the three mechanisms, and is accurate After the error, the electrical control device 13 prompts the operation to be completed, and the machine can enter the normal working procedure for production.
  • the number of the cross-cutting blades 23 in this embodiment is the same as the number of rows of the molds 21.
  • the number of the cross-cutting blades 23 and the number of rows of the molds 21 are positive integer N
  • the molding die 21-1 and the sealing die 21-2 are both N-row molds
  • the cross-cutting blade 23 is provided with N cross-cutting blades.
  • the distance between adjacent cross-cutting knives is IJN
  • the distance between the center line of the cross-cutting blade 23 and the working reference line of the cutting mechanism is L/2N.
  • the mold parameter is input into the operation menu of the electric control device 13 (computer) (the mold width L, double row)
  • the cross-cutting blade 23 has two cross-cutting knives, and the distance between the two cross-cutting knives is L/2, and the electric control device 13 moves the two cross-cutting blades mounted on the cutting mechanism 6 to the horizontal
  • the distance between the center line of the cutting blade 23 and the cutting mechanism working reference line 17 is L/4
  • the electrical control device 13 detects the distance between the cutting mechanism working reference line 17 and the sealing mechanism working reference line 18, and passes through the numerical control sealing mechanism driving device 15 Moving the sealing mechanism 4 to 2 to 12 times the position of the mold width L, that is, the distance between the cutting mechanism working reference line 17 and the sealing mechanism working reference line 18 is 2 to 12 L, locking the sealing mechanism driving device 15, and the electric control device 13 Inspection sealing mechanism
  • the distance between the reference line 18 and the working mechanism working reference line 19 is moved by the numerical control forming mechanism driving device 16 to the position of the molding mechanism 2 to 4 to 30 times the width L of the mold, that is, the sealing mechanism working reference line 18 is applied to the molding mechanism working reference line.
  • the distance of 19 is 4 ⁇ 30L, and the driving mechanism 16 of the molding mechanism is locked. After the machine is aligned, normal operation can be performed.
  • the distance between the moving sealing mechanism 4 and the forming mechanism 2 is determined according to the actual situation, and is usually moved to the position of the nearest multiple of the width L of the mold, that is, the remainder obtained by moving the actual distance to the left to divide the width L of the mold (ie, the shift to the left) Quantity) Or move the mold width L-the actual distance to the right to divide the remainder of the mold width L (ie, the offset to the right).
  • the mold width L is 498 mm
  • the distance between the point 17 and the sealing mechanism with reference to the reference point 18 is 3L
  • the sealing mechanism driving device 15 is locked;
  • the automatic mold changing device of the present invention has the same two sets, the first automatic mold changing device is used for the sealing mechanism 4 to change the sealing mold 21-2 and is located at the rear of the packaging machine, and the second automatic mold changing device is used for
  • the molding mechanism 2 replaces the molding die 21-1 and is located at the front of the packaging machine, the front and rear portions being in relation to the product moving direction of the packaging machine, and the product moving direction is indicated by an arrow in FIG.
  • the automatic die changing device comprises a mold lifting mechanism 27, a mold support 28, a numerical control indexing drive mechanism 31, an indexing shaft 29, a mold mounting frame 30, and an upper mold 32.
  • the upper mold 32 is mounted on the frame 33 and is a standard universal The device is matched with the mold 21 (applicable to various molds 21); the electric control device 13 is connected to the mold lifting mechanism 27, the numerical control indexing drive mechanism 31, the mold lifting mechanism 27 is connected to the mold holder 28, and the mold holder 28 is slid to the frame 33.
  • the mold holder 28 is mounted with a numerical control indexing drive mechanism 31 and an indexing shaft 29, and the numerical control indexing drive mechanism 31 is connected with the indexing shaft 29.
  • the mold mounting bracket 30 is mounted on the indexing shaft 29, and the mold mounting frame 30 is mounted.
  • the electric control device 13 controls the mold lifting mechanism 27, the numerical control indexing drive mechanism 31, and the mold lifting mechanism 27
  • the driving die holder 28 is moved up and down to a suitable position, and the numerically-controlled indexing drive mechanism 31 drives the indexing shaft 29 to a suitable angular position so that a certain mold on the mold mounting frame 30 enters the working position, and the other molds enter the waiting position.
  • the present invention drives the mold holder 28 to move up and down by the mold lifting mechanism 27, the mold 21 is a mold group, and one mold group has a plurality of molds 21, and each mold 21 is radially and evenly mounted on the mold mounting frame 30, the uppermost The mold 21 is in the working position, and the other molds 21 are in the cycle waiting position.
  • the mold is clamped upwards, and the mold 21 of the work position starts to work; the mold is released downward, and the mold 21 of the work position starts to detach, and the number of completions required for the product is repeated.
  • the mold corresponding to the next product is driven by the numerical control indexing drive mechanism 31 to rotate the indexing shaft 29 to the working position, and the mold 21 of the original working position is turned to the waiting position to continue the above work process. Since the mold mounting frame 30 has a plurality of dies 21, the present embodiment can arbitrarily select one of the dies 21. When a mold 21 is needed, it is only necessary to drive the indexing shaft 29 by the numerical control indexing drive mechanism 31 to rotate the corresponding mold 21 to the working position, thereby saving manpower and time between the molds 21 and the mold.
  • the mold 21 includes four molds, and four molds are uniformly mounted on the mold mounting frame 30, and the radial difference between the adjacent two molds is 90. degree.
  • the position numbers of the four molds are input into the electric control device 13 in advance; when the packaging material is replaced, the corresponding mold number is notified to the electric control device 13, and the electric control device 13 automatically finds the position of the mold, and issues a command to the numerical control unit.
  • the degree driving mechanism 31 performs indexing rotation, drives the indexing shaft 29 and the mold mounting frame 30 to rotate the corresponding mold to the working position (upward) and locks; thereby completing the work of automatic mold changing, and the mold lifting mechanism 27 drives The mold holder 28 and the mold 21 move to complete the packaging work.
  • the mold 21 includes three molds, and the three molds are uniformly mounted on the mold mounting frame 30, and the adjacent two molds are radially different by 120 degrees.
  • the advantage is that the swing space can be reduced, and the working mode is the same as above.
  • the automatic mold changing device can be similarly applied to the sealing mechanism 4 and the molding mechanism 2.
  • the invention is characterized in that the working principle of the ordinary packaging machine is improved, the intelligence is made, and the form structure is reliable and feasible.
  • the base film film-injecting mechanism 1, the clip chain driving device 14, and the electric control device 13 of the present invention can employ the prior art.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
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Abstract

一种包装机，包括底膜入膜机构（1）、成型机构（2）、封合机构（4）、切割机构（6）、夹子链条（9）、夹子链条驱动装置（14），还设置有电气控制装置（13）、刀片位移驱动装置，切割机构（6）上设置有刀片位移驱动装置，电气控制装置（13）与成型机构（2）、封合机构（4）、切割机构（6）、刀片位移驱动装置均连接，成型机构（2）、封合机构（4）、切割机构（6）三个机构中固定其中一个并确定其工作基准线，电气控制装置（13）根据已固定一个机构的工作基准线，将另外两个机构调整至其工作基准线与已确定位置机构工作基准线相距模具宽度的整数倍位置上并固定。成型机构（2）、封合机构（4）均采用自动换模装置。该包装机设计合理，结构简单，智能化，降低了操作人员劳动量，省时、省耗材、节能，提高生产效率，降低生产成本。

Description

一种包装:
技术领域
本发明涉及一种包装机， 主要用于包装生产线上， 将物料 （如： 注射器、 注射 针、 输液器、 手术包、 药品以及食品等） 进行包装分切加工。
背景技术
[0002] 现有技术包装机的工作原理： 在机器上包装底膜 （简称底膜， 为塑料薄膜） 两 边各被夹子链夹住带入机器； 机器的驱动使夹子链每走一个单模距离将底膜带 入成型区， 在模具的作用下通过加热和吸塑将底膜成型数个适合放物料的型腔 ； 底膜进入放物区， 通过人工或辅助机器将物料放入底膜的型腔内； 覆盖膜 （ 或纸） 进入机器并盖住型腔的幵口面， 一起进入封合区， 型腔必须准确落入封 合模的型腔内； 运用封合机构将覆盖膜 （或纸） 与装有物料的底膜封合在一起 ， 包装完成； 进入切割区， 切割刀片也必须对准切割部位， 切割机构将连着的 包装物切割成便于使用的单体； 包装完成后的单体包装物从出料口输出， 从而 完成了包装生产线的整个工作。
[0003] 在每次工作之初， 先将被包装物对应的模具 （包括成型模、 封合模） 更换到机 器上， 模具大小尺寸相配， 然后进行对模： 包装不同的物料需用不同的适合该 物料的模具。 每换一个批次的产品， 都必须更换成型模、 封合模两套模具。 模 具的更换需要专业人员来完成， 模具更换后， 还需对模、 调整、 试模、 再调整 等直至位置准确后才能正常生产。 该工作复杂繁琐， 费吋费料， 技术性较高， 模具质量较重， 更换模具需专业且强壮人员来完成。 吸塑成型后底膜在机器驱 动下走数个单模距离后准确落入封合模内， 如果有偏差会产生封合偏位， 此吋 需调整成型模或封合模的位置； 同样， 封合后也应在数个单模距离后落入切割 模内， 需调整切割模的位置， 有吋还需调整成型和封合模的位置。 调整分粗调 整、 精调整、 试运行等， 全部达到要求后才能正常工作。 当更换品种后， 由于 模具的不同， 单模距离也不相同， 又要重复上述的调整工作。 即现有技术需要 经常人工调整成型机构、 封合机构、 切割机构之间的距离。 该项调整工作复杂 繁琐， 且要浪费较多的包装材料、 能耗和吋间等， 对调整人员素质要求也较高 技术问题
[0004] 本发明首先解决的技术问题是成型机构、 封合机构、 切割机构三者之间相互精 确定位， 从而使得包装机上的每个产品经过成型机构、 封合机构、 切割机构吋 恰好对准。 本发明解决的第二个技术问题是模具与横切刀片的自动配合定位问 题。 本发明解决的第三个技术问题是提供一种自动换模装置， 自动换模装置具 有相同的两套， 第一套自动换模装置用于封合机构， 第二套自动换模装置用于 成型机构， 从而实现自动换模。
问题的解决方案
技术解决方案
[0005] 本发明解决成型机构、 封合机构、 切割机构三者之间相互精确定位的技术问题 所采用的技术方案为：
[0006] 一种包装机， 包括底膜入膜机构、 成型机构、 封合机构、 切割机构、 夹子链条 、 夹子链条驱动装置， 底膜入膜机构、 成型机构、 封合机构、 切割机构依次排 歹 |J， 其特征是还设置有电气控制装置、 刀片位移驱动装置， 切割机构上设置有 刀片位移驱动装置， 刀片位移驱动装置与横切刀片连接， 电气控制装置与成型 机构、 封合机构、 切割机构、 刀片位移驱动装置均连接， 成型机构、 封合机构 、 切割机构三个机构中固定其中一个并确定其工作基准线， 另外两个机构固定 在其工作基准线与已确定位置机构工作基准线相距模具宽度的整数倍位置上。 电气控制装置根据已固定一个机构的工作基准线， 将另外两个机构调整至其工 作基准线与已确定位置机构工作基准线相距模具宽度的整数倍位置上并固定。 上述设计实现了成型机构、 封合机构、 切割机构三个机构之间的自动对位， 提 高了自动化水平和生产效率， 降低生产成本。
[0007] 本发明还设置有成型机构驱动装置、 封合机构驱动装置， 电气控制装置与成型 机构驱动装置、 封合机构驱动装置均连接， 成型机构驱动装置与成型机构连接 ， 封合机构驱动装置与封合机构连接。 先固定切割机构位置， 电气控制装置通 过封合机构驱动装置将封合机构工作基准线调整至与切割机构工作基准线相距 模具宽度的整数倍位置上并固定， 通过成型机构驱动装置将成型机构工作基准 线调整至与封合机构工作基准线相距模具宽度的整数倍位置上并固定。
[0008] 本发明解决的第二个技术问题是模具与横切刀片的配合定位问题。 本发明所述 机构的工作基准线采用该机构的中心线， 成型模中心线与成型机构工作基准线 重合， 封合模中心线与封合机构工作基准线重合， 成型模、 封合模均为 N排模， 模具宽度为 L， 横切刀片设置有 N把横切刀， 电气控制装置通过刀片位移驱动装 置使得相邻横切刀之间的距离为 IJN， 横切刀片中心线与切割机构工作基准线的 距离为 L/2N。 该设计解决了模具与横切刀片的自动配合定位问题， 进一步提高 自动化水平和生产效率。
[0009] 本发明更换包装物后， 将成型模和封合模更换， 在电气控制装置的控制屏上输 入参数 （模具宽度、 单或双模等） ， 数控将双排切割刀片间距移至准确位置， 封合机构驱动装置检测并将封合机构移位 （保持封合机构工作基准线与切割机 构工作基准线的间距在模具宽度的整数倍上） ， 成型机构驱动装置检测并将成 型机构移位 （保持成型机构工作基准线与封合机构工作基准线的间距在模具宽 度的整数倍上） ， 调整完毕， 机器进入正常生产工作。
[0010] 本发明解决的第三个技术问题是提供一种自动换模装置， 所述成型机构、 封合 机构均采用自动换模装置， 自动换模装置包括模具升降机构、 模具支架、 数控 分度驱动机构、 分度轴、 模具安装架、 上模， 上模安装在机架上部， 电气控制 装置与模具升降机构、 数控分度驱动机构连接， 模具升降机构与模具支架连接 ， 模具支架与机架滑动连接， 模具支架上安装数控分度驱动机构、 分度轴， 数 控分度驱动机构与分度轴连接， 分度轴上固定安装模具安装架， 模具安装架上 固定安装若干个径向均匀分布的模具， 电气控制装置控制模具升降机构、 数控 分度驱动机构工作， 上模与模具配合， 模具升降机构驱动模具支架至合适位置 ， 数控分度驱动机构驱动分度轴至合适角度， 使得模具安装架上的某个模具进 入工作位， 其它模具进入等待位置。 上述设计实现了模具的自动换模， 自动化 程度高， 降低了操作人员的专业要求和减少劳动量， 同吋省吋、 省耗材、 节能 等， 提高生产效率， 降低生产成本。
[0011] 模具为四个， 相邻的两个模具之间径向相差 90度。 [0012] 模具为三个， 相邻的两个模具之间径向相差 120度。
[0013] 模具升降机构采用气缸。
[0014] 将模具预先安装到模具安装架上， 将每个模具编号输入电气操作系统； 工作吋 ， 告知电气操作系统下一个要操作的模具编号， 电气操作系统自动将对应的模 具旋转至工作位， 即可进行正常生产。
发明的有益效果
有益效果
[0015] 本发明提供了一种整体设计合理， 自动化程度高的包装机， 无需人工手动调整 ， 实现了成型机构、 封合机构、 切割机构三个机构之间的自动对位， 模具与横 切刀片的自动配合定位， 模具的自动换模， 使机器智能化， 降低了操作人员的 专业要求， 减少劳动量， 省吋、 省耗材、 节能， 提高生产效率， 降低生产成本 对附图的简要说明
附图说明
[0016] 图 1是本发明包装机的结构示意图。
[0017] 图 2是本发明包装机主体结构的剖视示意图。
[0018] 图 3是本发明包装机去机架后的俯视示意图。
[0019] 图 4是图 3中的模具 （包括成型模、 封合模） 平面图。
[0020] 图 5是本发明一种自动换模装置的结构示意图。
[0021] 图 6是图 5所示自动换模装置的剖面示意图， 此吋工作模具处于脱模状态。
[0022] 图 7是图 5所示自动换模装置的剖面示意图， 此吋工作模具处于合模状态。
[0023] 图 8是本发明另一种自动换模装置的主体结构示意图。
[0024] 图中：
[0025] 1： 底膜入膜机构；
[0026] 2： 成型机构， 将底膜吸塑成型；
[0027] 3： 放物料区 （物料放入成型后的底膜内） ；
[0028] 4： 封合机构， 将覆盖膜盖住封合模并热合封合成一体） ；
[0029] 5： 入覆盖膜 （或纸） 区； [0030] 6： 切割机构， 将包装完成后连续的包装物切成单体；
[0031] 7: 出料区；
[0032] 8: 底膜；
[0033] 9 夹子链条 （夹住底膜直至包装完成到出料区） ；
[0034] 10： 底膜成型后的型腔；
[0035] 11： 物料；
[0036] 13: 电气控制装置；
[0037] 14： 夹子链条驱动装置 （驱动夹子链条， 使之每节走模具宽度距离， 停顿， 等 待 3个机构工作完成后走下一个循环） ；
[0038] 15: 封合机构驱动装置；
[0039] 16: 成型机构驱动装置；
[0040] 17： 切割机构工作基准线；
[0041] 18： 封合机构工作基准线；
[0042] 19: 成型机构工作基准线；
[0043] 20： 覆盖膜 （或纸） ；
[0044] 21、 模具， 若干个模径向均匀分布在模具安装架上；
[0045] 21-1 : 安装在成型机构上的成型模；
[0046] 21-2： 安装在封合机构上的封合模；
[0047] 23： 安装在切割机构上的横切刀片；
[0048] 24： 安装在机架上的纵切刀片；
[0049] 25 : 切割后的多余废边；
[0050] 26： 包装切割后的成品。
[0051] 27： 模具升降机构， 带动模具支架上下移动， 合模时上升， 脱模时下降； [0052] 28： 模具支架， 模具支架的两端通过轴承支承分度轴， 受控于模具升降机构上 下移动；
[0053] 29： 分度轴， 与数控分度驱动机构连接， 受控于数控分度驱动机构， 并带动模 具安装架转动；
[0054] 30: 模具安装架， 可安装多个模具， 受控于分度轴转动； [0055] 31： 数控分度驱动机构， 安装在模具支架上， 受控于电气控制装置， 带动分度 轴旋转；
[0056] 32： 上模， 标准通用型， 安装在包装机的机架上， 合模吋顶住下方的模具， 承 担封闭作用；
[0057] 33： 机架， 用来安装包装机的各部分。
本发明的实施方式
[0058] 参见图 1〜图 8， 本发明实施例包装机包括底膜入膜机构 1、 成型机构 2、 封合机 构 4、 切割机构 6、 夹子链条 9、 夹子链条驱动装置 14， 底膜入膜机构 1、 成型机 构 2、 封合机构 4、 切割机构 6依次排列， 改进设计包括电气控制装置 13、 成型机 构驱动装置 16、 封合机构驱动装置 15、 刀片位移驱动装置， 切割机构 4上设置有 刀片位移驱动装置， 刀片位移驱动装置与横切刀片 23连接， 电气控制装置 13与 成型机构驱动装置 16、 封合机构驱动装置 15、 刀片位移驱动装置均连接。 先固 定成型机构 2、 封合机构 4、 切割机构 6三个机构中其中一个机构的位置并设定其 工作基准线， 然后电气控制装置 13自动将另外两个机构调整至其工作基准线与 已确定位置机构工作基准线相距模具宽度 L的整数倍位置上并固定。 工作基准线 采用三个机构的中心线 （参见图 1) 或其它设定位置， 成型模 21-1中心线与成型 机构工作基准线 19重合， 封合模 21-2中心线与封合机构工作基准线重合。 工作基 准线也可以采用三个机构的起始工作位置。 所述纵向是指底膜在包装机上移动 的方向， 即从成型机构 2向切割机构 6移动的方向 （图 1的左右方向） ， 横向是指 与纵向垂直的水平方向， 即图 3的上下方向。 模具 21包括成型模 21-1、 封合模 21- 2， 成型模 21-1、 封合模 21-2大小相配且纵向排数相同。
[0059] 本实施例将切割机构 6固定并设定其工作基准线， 切割方式为整切， 整切分横 切和纵切， 电气控制装置 13的参数设置包括： 模具宽度 L (模具 21的左右方向宽 度， 当模具 21由若干排模组成吋就是若干排模的总宽度， 参见图 4) 、 纵向排数 、 横向个数。 当需包装物料对应的模具 21装入各自的机构上后， 将所采用模具 2 1的数据输入电气控制装置 13， 所述数据包括纵向排数、 模具宽度 L、 横向个数 ， 电气控制装置 13先根据模具 21横向个数的参数的选择， 自动排列纵切刀片 24 中的纵向滚动刀片的数量和位置； 电气控制装置 13再通过刀片位移驱动装置将 横切刀片 23移动到位 （当横切刀片 23为一把横切刀且为 1排模吋， 该横切刀片 23 位于切割机构工作基准线 17左或右 0.5L位置； 当横切刀片 23为 2把刀且为 2排模吋 ， 横切刀片 23中的一把横切刀对准切割机构工作基准线 17， 横切刀片 23中的两 把横切刀之间的距离为 0.5L) ， 然后通过现有技术自动测量并计算切割机构工作 基准线 17与封合机构工作基准线 18的距离和偏移量 （也可以在电气控制装置 13 中输入切割机构 6、 封合机构 4、 成型机构 2初始位置， 然后通过模具 21参数计算 封合机构 4与切割机构 6之间的距离和偏移量、 成型机构 2与封合机构 4之间的距 离和偏移量） ， 将偏移量传给封合机构驱动装置 15， 使封合机构 4移动到两工作 基准线的模具宽度 L距离整数倍的位置， 自动固定封合机构 4， 确定封合机构 4的 位置； 同理， 电气控制装置 13再自动测量并计算封合机构工作基准线 18与成型 机构工作基准线 19的距离和偏移量， 将偏移量传给成型机构驱动装置 16， 使成 型机构 2移动到两工作基准线的模具宽度 L距离整数倍的位置， 自动固定成型机 构 2， 确定成型机构 2的位置； 电气控制装置 13再次确认三个机构的相互位置， 准确无误后电气控制装置 13提示操作完成， 机器可进入正常工作程序进行生产
[0060] 本实施例横切刀片 23的数量与模具 21的排数相同。 设横切刀片 23的数量和模具 21的排数为正整数 N， 则成型模 21-1、 封合模 21-2均为 N排模， 所述横切刀片 23 设置有 N把横切刀， 相邻横切刀之间的距离为 IJN， 横切刀片 23中心线与切割机 构工作基准线的距离为 L/2N。
[0061] 现以图 4所示模具 21为例加以说明：
[0062] 模具参数输入电气控制装置 13 (电脑） 的操作菜单内 （该模具宽度 L， 双排）
， 参见图 1， 横切刀片 23有 2把横切刀， 2把横切刀之间的距离为 L/2， 电气控制装 置 13将安装在切割机构 6上的 2把横切刀片移动至横切刀片 23中心线与切割机构 工作基准线 17的距离为 L/4位置， 电气控制装置 13检测切割机构工作基准线 17与 封合机构工作基准线 18的距离， 通过数控封合机构驱动装置 15移动封合机构 4至 2〜12倍模具宽度 L的位置， 即切割机构工作基准线 17对封合机构工作基准线 18 的距离为 2〜12L， 锁定封合机构驱动装置 15， 电气控制装置 13检测封合机构工 作基准线 18对成型机构工作基准线 19的距离， 通过数控成型机构驱动装置 16移 动成型机构 2至 4〜30倍模具宽度 L的位置， 即封合机构工作基准线 18对成型机构 工作基准线 19的距离为 4〜30L， 锁定成型机构驱动装置 16， 机器对位完毕， 即 可进行正常工作。 移动封合机构 4、 成型机构 2的距离根据实际情况确定， 通常 移动至最接近的模具宽度 L整数倍的位置， 即向左移动实际距离整除模具宽度 L 所得的余数 （即向左的偏移量） 或者向右移动模具宽度 L-实际距离整除模具宽度 L所得的余数 （即向右的偏移量） 。 例如模具宽度 L为 498mm， 电气控制装置 13 检测切割机构参照基准点 17与封合机构参照基准点 18距离为 1097mm， 计算 1097 ÷498 = 2余数 101， 通过数控封合机构驱动装置 15将封合机构 4向左移动余数 101 mm (即切割机构参照基准点 17对封合机构参照基准点 18的距离为 2L) 或者向右 移动模具宽度 L-101=498-101=397mm (即切割机构参照基准点 17对封合机构参照 基准点 18的距离为 3L) ，锁定封合机构驱动装置 15 ; 电气控制装置 13检测封合机 构参照基准点 18对成型机构参照基准点 19的距离为 3943mm， 计算 3943÷498 = 7 余数 457， 通过数控成型机构驱动装置 16将成型机构 2向左移动 457mm (即封合 机构参照基准点 18对成型机构参照基准点 19的距离为 7L) 或者向右移动模具宽 度 L-457=498-457=41mm (即封合机构参照基准点 18对成型机构参照基准点 19的 距离为 8L) ， 锁定成型机构驱动装置 16， 机器对位完毕。
本发明的自动换模装置具有相同的两套， 第一套自动换模装置用于封合机构 4 换封合模 21-2并位于包装机的后部， 第二套自动换模装置用于成型机构 2换成型 模 21-1并位于包装机的前部， 所述前部和后部是相对于包装机的产品移动方向而 言的， 产品移动方向如图 1中的箭头所示。 所述自动换模装置包括模具升降机构 27、 模具支架 28、 数控分度驱动机构 31、 分度轴 29、 模具安装架 30、 上模 32， 上模 32安装在机架 33上并为标准通用设备， 与模具 21配合 （适用各种模具 21) ； 电气控制装置 13与模具升降机构 27、 数控分度驱动机构 31连接， 模具升降机 构 27与模具支架 28连接， 模具支架 28与机架 33滑动连接， 模具支架 28上安装数 控分度驱动机构 31、 分度轴 29， 数控分度驱动机构 31与分度轴 29连接， 分度轴 2 9上安装模具安装架 30， 模具安装架 30上安装若干个径向均匀分布的模具， 电气 控制装置 13控制模具升降机构 27、 数控分度驱动机构 31工作， 模具升降机构 27 驱动模具支架 28上下移动至合适位置， 数控分度驱动机构 31驱动分度轴 29至合 适角度位置， 使得模具安装架 30上的某个模具进入工作位， 其它模具进入等待 位置。
[0064] 本发明通过模具升降机构 27驱动模具支架 28上下移动， 模具 21为一个模具组， 一个模具组具有多个模具 21， 每个模具 21径向均匀安装在模具安装架 30上， 最 上面的那个模具 21处于工作位， 其他模具 21处于循环等待位置。 向上吋合模， 此吋工作位的模具 21幵始工作； 向下吋脱模， 此吋工作位的那个模具 21完成工 作幵始脱离， 周而复始直至该产品所需的完工数量。 下一品种的产品对应的模 具由数控分度驱动机构 31驱动分度轴 29旋转至工作位， 原工作位的那个模具 21 转到等待位置， 继续上述工作过程。 由于模具安装架 30上具有若干个模具 21， 使得本实施例可以任意选择其中的一种模具 21。 当需要换一种模具 21吋， 只需 要通过数控分度驱动机构 31驱动分度轴 29将对应的模具 21旋转至工作位即可， 节约了换模具 21的人力和吋间。
[0065] 参见图 5〜图 7， 作为一种特例， 所述的模具 21包括四个模具， 四个模具分别均 匀安装在模具安装架 30上， 相邻的两个模具之间径向相差 90度。 预先将四个模 具的位置编号输入电气控制装置 13内储存； 当更换包装物料吋， 将对应的模具 编号告知电气控制装置 13， 电气控制装置 13自动寻找该模具的位置， 并发出指 令给数控分度驱动机构 31进行分度旋转， 带动分度轴 29和模具安装架 30将所对 应的模具转至工作位 （朝上） 并锁住； 从而完成了自动换模的工作， 模具升降 机构 27带动模具支架 28和模具 21运动完成包装工作。
[0066] 参见图 8， 作为另一种特例， 所述的模具 21包括三个模具， 三个模具分别均匀 安装在模具安装架 30上， 相邻的两个模具之间径向相差 120度， 其优点是可减小 回转空间， 工作方式同上。
[0067] 自动换模装置可同样的用于封合机构 4、 成型机构 2。 本发明的特点就是在普通 包装机的工作原理上进行改进， 将其智能化， 形式结构可靠可行。
[0068] 本发明底膜入膜机构 1、 夹子链条驱动装置 14、 电气控制装置 13可采用现有技 术。
[0069] 凡依本发明专利构思所述的构造、 特征及原理所做的等效或简单变化， 均包括 于本发明专利的保护范围内

Claims

权利要求书
[权利要求 1] 一种包装机， 包括底膜入膜机构、 成型机构、 封合机构、 切割机构、 夹子链条、 夹子链条驱动装置， 底膜入膜机构、 成型机构、 封合机构 、 切割机构依次排列， 其特征是： 还设置有电气控制装置、 刀片位移 驱动装置， 切割机构上设置有刀片位移驱动装置， 刀片位移驱动装置 与横切刀片连接， 电气控制装置与成型机构、 封合机构、 切割机构、 刀片位移驱动装置均连接， 成型机构、 封合机构、 切割机构三个机构 中固定其中一个并确定其工作基准线， 电气控制装置根据已固定一个 机构的工作基准线， 将另外两个机构调整至其工作基准线与已确定位 置机构工作基准线相距模具宽度的整数倍位置上并固定。
[权利要求 2] 根据权利要求 1所述的包装机， 其特征是： 还设置有成型机构驱动装 置、 封合机构驱动装置， 电气控制装置与成型机构驱动装置、 封合机 构驱动装置均连接， 成型机构驱动装置与成型机构连接， 封合机构驱 动装置与封合机构连接， 电气控制装置通过封合机构驱动装置将封合 机构工作基准线调整至与切割机构工作基准线相距模具宽度的整数倍 位置上并固定， 通过成型机构驱动装置将成型机构工作基准线调整至 与封合机构工作基准线相距模具宽度的整数倍位置上并固定。
[权利要求 3] 根据权利要求 1或 2所述的包装机， 其特征是： 所述机构的工作基准线 采用该机构的中心线， 成型模中心线与成型机构工作基准线重合， 封 合模中心线与封合机构工作基准线重合， 成型模、 封合模均为 N排模
， 模具宽度为 L， 横切刀片设置有 N把横切刀， 电气控制装置通过刀 片位移驱动装置使得相邻横切刀之间的距离为 IJN， 横切刀片中心线 与切割机构工作基准线的距离为 IJ2N。
[权利要求 4] 根据权利要求 1或 2所述的包装机， 其特征是： 所述成型机构、 封合机 构均采用自动换模装置， 自动换模装置包括模具升降机构、 模具支架 、 数控分度驱动机构、 分度轴、 模具安装架、 上模， 上模安装在机架 上部， 电气控制装置与模具升降机构、 数控分度驱动机构连接， 模具 升降机构与模具支架连接， 模具支架与机架滑动连接， 模具支架上安 装数控分度驱动机构、 分度轴， 数控分度驱动机构与分度轴连接， 分 度轴上固定安装模具安装架， 模具安装架上固定安装若干个径向均匀 分布的模具， 电气控制装置控制模具升降机构、 数控分度驱动机构工 作， 上模与模具配合。
[权利要求 5] 根据权利要求 4所述的包装机， 其特征是： 模具为四个， 相邻的两个 模具之间径向相差 90度。
[权利要求 6] 根据权利要求 4所述的包装机， 其特征是： 模具为三个， 相邻的两个 模具之间径向相差 120度。
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