Production method of stand-up pouch tube cover

Abstract

The invention discloses a production method of a tube cover of a self-standing bag. The production method sequentially comprises the following steps: (1) sequentially hanging tube nozzles on positioning rods on the edge of an intermittent rotating turntable by adopting a tube hanging method at an upper tube nozzle station; (2) a plurality of sealing covers are conveyed to a cover feeding station located on the outer side of the intermittent rotating turntable, and the sealing covers correspond to a plurality of positioning rods on the edge of the turntable one to one; (3) synchronously taking away the plurality of sealing covers positioned on the cover loading station, and respectively placing the sealing covers on the pipe nozzles sleeved on the corresponding positioning rods; (4) synchronously tightening all the sealing covers positioned on the pipe nozzles to obtain a plurality of self-standing bag pipe covers; and (5) all the stand-up pouch tube caps are sent out. According to the invention, the production method of the tube cap of the standing pouch is improved, so that the collision between the sealing cap and the tube nozzle can be effectively avoided; and after the nozzle and the sealing cover are manufactured, the nozzle and the sealing cover are directly and respectively conveyed through the conveying channel, so that the processing steps are greatly optimized, the energy consumption is greatly reduced, and the working efficiency is effectively improved.

Description

Technical Field

[0001] This invention relates to a method for producing a self-standing bag tube cap. Background Technology

[0002] For some stand-up pouches, since the material is granular solid or other material that is difficult to fill through the nozzle, the nozzle and sealing cap are usually assembled into a stand-up pouch cap. The stand-up pouch cap is then installed on the opening at the top of the packaging bag, while the bottom of the packaging bag is unsealed and has an opening for filling. Therefore, the semi-finished stand-up pouch with the bottom unsealed is filled through the bottom opening, and finally the bottom opening is sealed to obtain the finished package.

[0003] In the aforementioned processing method, the stand-up pouch cap is a key component of the stand-up pouch. The traditional processing method involves using different injection molding machines to obtain the sealing caps and nozzles separately, and then sorting and inspecting a large number of sealing caps and nozzles one by one using a vibratory feeder, collecting the qualified finished products. Then, vehicles and other transportation tools are used to transport them to the assembly line. Next, the nozzles and sealing caps are poured into different vibratory feeders, sorted and tested in sequence. Then, the nozzles are hung on the positioning rods located on the edge of the intermittent rotating turntable using the tube hanging method (using a vertically upright positioning rod that moves horizontally and passes under the inclined nozzle to insert the nozzle from bottom to top). Then, the sealing caps are put on the nozzles located on the positioning rods on the edge of the intermittent rotating turntable using a similar cap hanging method (using a nozzle that is fitted on a vertically upright positioning rod that moves horizontally and passes under the inclined sealing cap to insert the sealing cap from bottom to top). Finally, the sealing caps are tightened using a cap twisting device to obtain the finished self-standing bag tube caps. After testing again, the qualified self-standing bag tube caps are collected.

[0004] However, the disadvantages of this traditional processing method are: 1. Due to the defects in the existing method of attaching the sealing cap to the nozzle, both the sealing cap and the nozzle are prone to wear or damage during the process of attaching them (especially the internal and external threads that need to be matched), resulting in a high scrap rate of the self-standing bag nozzle cap; 2. The processing steps are numerous and unreasonable. The manufacturing and assembly of the sealing cap and nozzle are completed on different production lines, which occupies a lot of space, has low work efficiency, and low energy utilization; 3. Repeated use of vibratory feeder to clean the product (nozzle and sealing cap) will damage the product (nozzle and sealing cap), affect the product quality, and significantly increase the noise in the workshop. Summary of the Invention

[0005] The purpose of this invention is to provide a method for manufacturing a stand-up pouch cap. This method effectively prevents collisions between the cap and the nozzle during placement, optimizes the production process, and improves work efficiency. The technical solution adopted is as follows: A method for producing a self-standing pocket tube cap, characterized by comprising the following steps in sequence: (1) At the nozzle station, the nozzle is hung on the positioning rods located on the edge of the intermittent rotating turntable in sequence using the pipe hanging method; (2) Send multiple sealing caps to the upper cover station located outside the intermittent rotating turntable and make these sealing caps correspond one by one with multiple positioning rods on the edge of the turntable; (3) Simultaneously remove the multiple sealing caps located at the upper cover station and place them on the nozzles fitted on the corresponding positioning rods; (4) Tighten all the sealing caps on the nozzles simultaneously to obtain multiple self-standing bag tube caps; (5) Send out all the self-standing bag tube caps.

[0006] In a preferred embodiment, step (1) involves using a first vibratory plate to organize the nozzles and then sequentially sending them out through a first conveying channel.

[0007] A better approach is to perform sequential testing on the nozzles of the first conveying channel in step (1), and exclude any unqualified nozzles.

[0008] In a preferred embodiment, step (2) involves using a second vibrating plate to organize the sealing cap and then sequentially conveying the sealing cap through a second conveying channel.

[0009] A better approach is to inspect the sealing caps of the second conveying channel in step (2) and exclude any unqualified sealing caps.

[0010] In a preferred embodiment, step (5) involves testing the self-standing bag caps before sending them out, and sending the unqualified self-standing bag caps and qualified self-standing bag caps to different collection devices.

[0011] In a preferred embodiment, the nozzle in step (1) is directly sent to the first vibratory plate via a conveying pipe after being manufactured by the first injection molding machine.

[0012] In a preferred embodiment, the sealing cap of step (2) is directly sent to the second vibratory plate via a conveying pipe after being manufactured in the second injection molding machine.

[0013] The beneficial effects of this invention compared to the prior art are that, due to the improvement of the production method of the self-standing bag tube cap, the sealing cap is placed on the nozzle from top to bottom, thus effectively avoiding collision between the sealing cap and the nozzle during the process; and after manufacturing the nozzle and sealing cap, the nozzle and sealing cap are directly transported through the conveying channel, which greatly optimizes the processing steps, significantly reduces intermediate steps, greatly reduces energy consumption, and effectively improves work efficiency. Attached Figure Description

[0014] Figure 1This is a schematic diagram of the structure of one embodiment of the present invention; Figure 2 This is a structural schematic diagram of an embodiment of the present invention. Detailed Implementation

[0015] like Figure 1 As shown, a method for producing a self-standing pocket tube cap in one embodiment of this application includes the following steps in sequence: (1) At the nozzle station, the nozzle is hung on the positioning rods located on the edge of the intermittent rotating turntable in sequence using the pipe hanging method; (2) Send multiple sealing caps to the upper cover station located outside the intermittent rotating turntable and make these sealing caps correspond one by one with multiple positioning rods on the edge of the turntable; (3) Simultaneously remove the multiple sealing caps located at the upper cover station and place them on the nozzles fitted on the corresponding positioning rods; (4) Tighten all the sealing caps on the nozzles simultaneously to obtain multiple self-standing bag tube caps; (5) Send out all the self-standing bag tube caps.

[0016] like Figure 1 As shown, in one alternative embodiment of this application, step (1) involves using a first vibratory plate 2 to organize the nozzle and sequentially feeding it out through a first conveying channel. Using only one vibratory plate effectively reduces noise.

[0017] In one alternative embodiment of this application, step (1) involves sequentially inspecting the nozzles of the first conveying channel and discarding any defective nozzles.

[0018] like Figure 1 As shown, in one alternative embodiment of this application, step (2) involves using a second vibratory feeder 3 to arrange the sealing caps and then sequentially conveying them through a second conveying channel. Using only one vibratory feeder effectively reduces noise.

[0019] In one alternative embodiment of this application, step (2) involves sequentially inspecting the sealing caps of the second conveying channel, and rejecting any unqualified sealing caps.

[0020] like Figure 1 As shown, in one optional embodiment of this application, step (3) of taking and placing the sealing cap is completed by the same robotic arm 4. This can save equipment costs.

[0021] like Figure 1 As shown, in one alternative embodiment of this application, the robotic arm 4 places the sealing cap onto the nozzle from top to bottom.

[0022] like Figure 1As shown, in an alternative embodiment of this application, the tightening of the sealing cap in step (4) is performed by the robotic arm 4 used in step (3). This further reduces equipment costs.

[0023] like Figure 1 As shown, in one alternative embodiment of this application, step (5) involves testing the self-standing bag caps before they are sent out, and sending the unqualified self-standing bag caps and qualified self-standing bag caps to different collection devices.

[0024] In one alternative embodiment of this application, the detection is torque detection and / or appearance defect detection.

[0025] like Figure 1 As shown in one embodiment of this application, after the nozzle and sealing cap are manufactured, they are collected in boxes and transported by a means of transport (a truck in this embodiment) to the locations of two vibratory feeders. The nozzle and sealing cap are poured into the two vibratory feeders respectively, and then the above processing method is used to complete the work of conveying the nozzle and sealing cap to the intermittent rotating turntable 1 and assembling them into a self-standing bag tube cap.

[0026] like Figure 2 As shown in one embodiment of this application, in step (1), the nozzle is directly sent to the first vibratory plate 2 through the third conveying channel after being manufactured by the first injection molding machine 5.

[0027] like Figure 2 As shown in one embodiment of this application, the sealing cap of step (2) is directly sent to the second vibratory plate 3 through the fourth conveying channel after being manufactured by the second injection molding machine 6.

[0028] In several embodiments of this application, by optimizing the processing steps, the method of placing the sealing cap from top to bottom is used instead of the hanging method, thus effectively avoiding collision between the sealing cap and the nozzle during the process; and by directly sending the nozzle manufactured by the first injection molding machine 5 to the first vibrating plate 2 through the third conveying channel, and the sealing cap manufactured by the second injection molding machine 6 to the second vibrating plate 3 through the fourth conveying channel, the intermediate steps are greatly reduced, energy consumption is significantly reduced, and work efficiency is effectively improved.

[0029] Furthermore, it should be noted that the names of the various parts of the specific embodiments described in this specification may differ. All equivalent or simple variations made to the structure, features, and principles described in this invention are included within the scope of protection of this invention. Those skilled in the art can make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the structure of this invention or exceed the scope defined in these claims, all of which should fall within the scope of protection of this invention.

Claims

1. A method for producing a self-standing bag tube cap, characterized in that: The steps are as follows: (1) At the nozzle station, the nozzle is hung on the positioning rods located on the edge of the intermittent rotating turntable in sequence using the pipe hanging method; (2) Send multiple sealing caps to the upper cover station located outside the intermittent rotating turntable and make these sealing caps correspond one by one with multiple positioning rods on the edge of the turntable; (3) Simultaneously remove the multiple sealing caps located at the upper cover station and place them on the nozzles fitted on the corresponding positioning rods; (4) Tighten all the sealing caps on the nozzles simultaneously to obtain multiple self-standing bag tube caps; (5) Send out all the self-standing bag tube caps.

2. The method for producing a self-standing bag tube cap as described in claim 1, characterized in that: In step (1), the first vibratory plate is used to sort the nozzles and then the nozzles are sent out sequentially through a first conveying channel.

3. The method for producing a self-standing bag tube cap as described in claim 2, characterized in that: In step (1), the nozzles of the first conveying channel are inspected sequentially, and unqualified nozzles are eliminated.

4. The method for producing a self-standing bag tube cap as described in claim 1, characterized in that: In step (2), the sealing cap is sorted by a second vibrating plate and conveyed sequentially through a second conveying channel.

5. The method for producing a self-standing bag tube cap as described in claim 4, characterized in that: In step (2), the sealing covers of the second conveying channel are inspected sequentially, and unqualified sealing covers are eliminated.

6. The method for producing a self-standing bag tube cap as described in claim 1, characterized in that: Before sending out the self-standing bag tube cap, step (5) involves testing the self-standing bag tube caps, and sending out unqualified self-standing bag tube caps and qualified self-standing bag tube caps to different collection devices.

7. The method for producing a self-standing bag tube cap as described in claim 6, characterized in that: The detection includes torque detection and / or appearance defect detection.

8. The method for producing a self-standing bag tube cap as described in claim 1, characterized in that: In step (1), the nozzle is sent directly to the first vibratory plate through the conveying pipe after it is manufactured by the first injection molding machine.

9. The method for producing a self-standing bag tube cap as described in claim 1, characterized in that: The sealing cap of step (2) is sent directly to the second vibratory plate through the conveying pipe after being manufactured by the second injection molding machine.

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