A special detection method for the production of plastic woven bags

Through the combination of components such as guide chute, guide bracket and drive cylinder, the problem of poor clamping stability in plastic woven bag detection is solved, and automatic fixation and comprehensive strength detection of plastic woven bags of different specifications is achieved.

CN119043870BActive Publication Date: 2025-07-18SHE YANG XIAN YA MING SU YE YOU XIAN GONG SI
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Patent Information

Application Number
CN202411281108.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2025-07-18
Estimated Expiration
2044-09-13

AI Technical Summary

Technical Problem

During the production process of existing plastic woven bags, the clamping stability is poor, resulting in the inability to guarantee the detection accuracy.

Method used

A special testing equipment for the production of plastic woven bags is adopted, and the automatic fixing and tensile strength detection of plastic woven bags is achieved using components such as guide slide chutes, guide brackets, drive mechanisms, first and second drive cylinders, and solenoids.

Benefits of technology

It improves the flexibility and accuracy of the inspection equipment, can adapt to different specifications of plastic woven bags, and achieves comprehensive strength inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a special detection method for the production of plastic woven bags, which uses a special detection device for the production of plastic woven bags for detection. The detection device includes a workbench, on which there are provided: a guiding chute and a guiding bracket, the guiding chute is opened on the workbench, the guiding bracket is slidably sleeved in the guiding chute, a driving mechanism, the driving mechanism is arranged in the workbench, the driving mechanism is used to drive the guiding bracket to move towards each other, a first driving cylinder and a mounting plate, the first driving cylinder is fixedly installed on the guiding bracket, and the mounting plate is fixedly connected to the output end of the first driving cylinder. The advantages are: it can perform strength detection operations on plastic woven bags in different directions, which helps to improve the accuracy and comprehensiveness of the device when detecting plastic woven bags.
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Description

Technical Field

[0001] The present invention relates to the technical field of plastic woven bag processing and detection, and particularly relates to a special detection method for plastic woven bag production. Background Art

[0002] A woven bag is a type of plastic bag used for packaging. Its raw materials are generally various chemical plastic raw materials such as polyethylene and polypropylene. In the existing production process of plastic woven bags, quality inspection of plastic woven bags is required to ensure the product quality of plastic woven bags. In the prior art, most of them manually rotate the fixture on the test device by hand to fix both ends of the plastic woven bag sample, and then change the distance between the fixtures to detect the tensile strength of the plastic woven bag sample. The manual rotation of the fixture has poor clamping stability and the accuracy cannot be guaranteed. Summary of the Invention

[0003] An object of the present invention is to solve the problem of poor clamping stability and inability to guarantee accuracy in the prior art, and to propose a special detection device for plastic woven bag production.

[0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] A special detection method for plastic woven bag production uses a special detection device for plastic woven bag production for detection. The detection device includes a workbench, and the workbench is provided with: a guiding chute and a guiding bracket, the guiding chute is opened on the workbench, and the guiding bracket is slidably sleeved in the guiding chute; a driving mechanism, the driving mechanism is arranged in the workbench, and the driving mechanism is used to drive the guiding bracket to move towards each other; a first driving cylinder and a mounting plate, the first driving cylinder is fixedly installed on the guiding bracket, and the mounting plate is fixedly connected to the output end of the first driving cylinder; a mounting chute, a first clamping plate and a second clamping plate, the mounting chute is opened on the mounting plate, the first clamping plate is slidably sleeved at the upper end position of the mounting chute, and the second clamping plate is slidably sleeved at the lower end position of the mounting chute; a fixing mechanism, the fixing mechanism is arranged between the first clamping plate and the second clamping plate, and the fixing mechanism is used to drive the first clamping plate and the second clamping plate to fix and limit the plastic woven bag; a mounting bracket, the mounting bracket is fixedly connected to the workbench; a second driving cylinder and a pressing plate, the second driving cylinder is fixedly installed on the mounting bracket, and the pressing plate is fixedly connected to the output end of the second driving cylinder. The driving mechanism includes: a motor, the motor is fixedly installed in the workbench; a rotating shaft, the rotating shaft is fixedly connected to the output end of the motor; a driving gear, the driving gear is fixedly sleeved on the rotating shaft; a connecting plate, the connecting plate is fixedly connected to the bottom end of the guiding bracket; a driven rack meshing with the driving gear, the driven rack is fixedly connected to the bottom end position of the connecting plate, the rotating shaft is rotatably installed at the inner wall position of the workbench, and the two driven racks are symmetrically arranged on both sides of the driving gear;

[0006] The fixing mechanism includes: a first electromagnet fixedly connected to the first clamping plate; a second electromagnet fixedly connected to the second clamping plate; support sliding grooves are formed on both sides of the guiding bracket, and support frames fixedly connected to the mounting plate are slidably connected in the support sliding grooves;

[0007] The detection method includes: selecting different test modes according to actual needs: First, start the second driving cylinder, the second driving cylinder drives the pressing plate to fix and limit the plastic woven bag, so that the plastic woven bag in contact with the pressing plate is in movable contact with the workbench. Start the first driving cylinder, the first driving cylinder drives the mounting plate to move vertically upward, and the mounting plate drives the support frame to move vertically upward in the support sliding groove, so that both ends of the plastic woven bag are stretched upward, thereby detecting the tensile strength of the plastic woven bag; Second, start the motor, the motor drives the driving gear to rotate, the driving gear drives the driven rack to move in opposite directions, the driven rack drives the connecting plate to move in opposite directions, the connecting plate drives the guiding bracket to move in opposite directions in the guiding sliding groove, the guiding bracket drives the first driving cylinder to move in opposite directions, the first driving cylinder drives the plastic woven bag to be tightened outward through the mounting plate, and start the second driving cylinder, and the second driving cylinder drives the pressing plate to extrude the plastic woven bag.

[0008] In order to better achieve the above object, the present invention adopts a further technical solution: the workbench is a box structure with a hollow setting, and the guiding sliding grooves are symmetrically arranged at both ends of the workbench.

[0009] In order to better achieve the above object, the present invention adopts a further technical solution: a receiving groove for receiving the first driving cylinder is formed on the guiding bracket.

[0010] In order to better achieve the above object, the present invention adopts a further technical solution: the fixing mechanism further includes: a spring welded between the first clamping plate and the second clamping plate; a guiding rod fixedly connected to the second electromagnet, and the guiding rod penetrates and extends above the first electromagnet, the spring is longitudinally movably sleeved on the guiding rod, and a through hole for slidably sleeving the guiding rod is formed on the first electromagnet.

[0011] In order to better achieve the above object, the present invention adopts a further technical solution: the mounting bracket is a gantry structure, and the pressing plate is a rectangular structure.

[0012] In order to better achieve the above object, the present invention adopts a further technical solution: the first electromagnet and the second electromagnet attract each other with opposite poles, and the first electromagnet and the second electromagnet are opened and closed through an external switch.

[0013] The advantages of the present invention are:

[0014] 1. In the present invention, the motor drives the connecting plate to move towards each other through the meshing connection between the driving gear and the driven rack. The connecting plate drives the first driving cylinder to move towards each other through the guiding bracket, so that the first clamping plate and the second clamping plate can fix and limit plastic woven bags of different specifications, which helps to improve the flexibility and application range of the equipment.

[0015] 2. In the present invention, the staff can choose whether to start the first driving cylinder and the second driving cylinder or only start the second driving cylinder according to the detection requirements, and can perform strength detection operations on plastic woven bags in different directions, which helps to improve the accuracy and comprehensiveness of the equipment when detecting plastic woven bags.

[0016] 3. In the present invention, the plastic woven bag is placed between the first clamping plate and the second clamping plate. By the attraction of the opposite poles of the first electromagnet and the second electromagnet, the first clamping plate and the second clamping plate can move towards each other, thereby realizing the semi-automatic fixing operation of the plastic woven bag, which helps to improve the flexibility of the detection equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a special detection device for plastic woven bag production proposed by the present invention;

[0018] Figure 2 is a side sectional view of a special detection device for plastic woven bag production proposed by the present invention;

[0019] Figure 3 is a top sectional view of a special detection device for plastic woven bag production proposed by the present invention;

[0020] Figure 4 is a schematic diagram of the fixing mechanism of a special detection device for plastic woven bag production proposed by the present invention;

[0021] Figure 5 is the present invention Figure 4 partial enlarged structural schematic diagram of A in.

[0022] In the figure: 1, workbench; 2, guiding chute; 3, guiding bracket; 4, first driving cylinder; 5, mounting plate; 6, mounting chute; 7, first clamping plate; 8, second clamping plate; 9, mounting bracket; 10, second driving cylinder; 11, pressing plate; 12, motor; 13, rotating shaft; 14, driving gear; 15, connecting plate; 16, driven rack; 17, first electromagnet; 18, second electromagnet; 19, spring; 20, guiding rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] Referring to Figures 1 - 5 as shown, a special detection method for plastic woven bag production is adopted, and a special detection device for plastic woven bag production is used for detection. The detection device includes a workbench 1, and the workbench 1 is a box structure with a hollow setting. The workbench 1 is provided with: a guiding chute 2 and a guiding bracket 3. The guiding chute 2 is opened on the workbench 1, and the guiding chute 2 is symmetrically arranged at both ends of the workbench 1. The guiding bracket 3 is slidably sleeved in the guiding chute 2. The guiding chute 2 can guide and limit the guiding bracket 3, which helps to ensure the stability of the movement track of the guiding bracket 3; a driving mechanism, and the driving mechanism is arranged in the workbench 1. The driving mechanism is used to drive the guiding bracket 3 to move towards each other; the driving mechanism includes: a motor 12, and the motor 12 is fixedly installed in the workbench 1; a rotating shaft 13, and the rotating shaft 13 is fixedly connected to the output end of the motor 12. The rotating shaft 13 is rotatably installed at the inner wall position of the workbench 1; a driving gear 14, and the driving gear 14 is fixedly sleeved on the rotating shaft 13; a connecting plate 15, and the connecting plate 15 is fixedly connected to the bottom end of the guiding bracket 3; a driven rack 16 meshed with the driving gear 14, and the driven rack 16 is fixedly connected to the bottom end position of the connecting plate 15. The two driven racks 16 are symmetrically arranged on both sides of the driving gear 14, so that when the driving gear 14 rotates, it can drive the two driven racks 16 to move towards each other at the same time. Through the settings of the connecting plate 15 and the guiding chute 2, the driven rack 16 can be guided and supported, which helps to ensure the stability of the driven rack 16 during movement;

[0025] The first driving cylinder 4 and the mounting plate 5, the first driving cylinder 4 is fixedly installed on the guiding bracket 3. A receiving groove for receiving the first driving cylinder 4 is provided on the guiding bracket 3. The mounting plate 5 is fixedly connected to the output end of the first driving cylinder 4. Support sliding grooves are provided on both sides of the guiding bracket 3, and support frames fixedly connected to the mounting plate 5 are slidably connected in the support sliding grooves. The support frames are guided and supported through the support sliding grooves, which helps to ensure the stability of the mounting plate 5 during lifting. It should be noted that: the two support frames are arranged at both ends of the mounting plate 5, which helps to ensure the stability of the mounting plate 5; the mounting sliding groove 6, the first clamping plate 7 and the second clamping plate 8, the mounting sliding groove 6 is provided on the mounting plate 5, the first clamping plate 7 is slidably sleeved at the upper end of the mounting sliding groove 6, and the second clamping plate 8 is slidably sleeved at the lower end of the mounting sliding groove 6. The first clamping plate 7 and the second clamping plate 8 can be guided and limited through the mounting sliding groove 6, which helps to ensure the stability of the movement trajectories of the first clamping plate 7 and the second clamping plate 8, so that the first clamping plate 7 and the second clamping plate 8 can only perform movement operations based on the opening trajectory of the mounting sliding groove 6; the fixing mechanism, the fixing mechanism is arranged between the first clamping plate 7 and the second clamping plate 8, and the fixing mechanism is used to drive the first clamping plate 7 and the second clamping plate 8 to fix and limit the plastic woven bag. Through the cooperation of the driving mechanism and the fixing mechanism, the first clamping plate 7 and the second clamping plate 8 can fix and clamp plastic woven bags of different specifications and sizes; the fixing mechanism includes: the first electromagnet 17, the first electromagnet 17 is fixedly connected to the first clamping plate 7; the second electromagnet 18, the second electromagnet 18 is fixedly connected to the second clamping plate 8, the first electromagnet 17 and the second electromagnet 18 attract each other with opposite poles, and the first electromagnet 17 and the second electromagnet 18 are opened and closed through an external switch; the spring 19, the spring 19 is welded between the first clamping plate 7 and the second clamping plate 8, and the spring 19 is longitudinally sleeved on the guiding rod 20. Through the elastic force of the spring 19, the first clamping plate 7 and the second clamping plate 8 can be reset when the first electromagnet 17 and the second electromagnet 18 are in a stopped state; the guiding rod 20, the guiding rod 20 is fixedly connected to the second electromagnet 18, and the guiding rod 20 penetrates and extends above the first electromagnet 17. A through hole for slidably sleeving the guiding rod 20 is provided on the first electromagnet 17. The guiding rod 20 can be guided and limited through the through hole, and the spring 19 can be guided and limited through the guiding rod 20, so as to ensure the relative stability of the movement trajectory of the spring 19; the mounting bracket 9, the mounting bracket 9 is fixedly connected to the workbench 1, and the mounting bracket 9 is of a gantry structure;The second driving cylinder 10 and the pressing plate 11, the second driving cylinder 10 is fixedly installed on the mounting bracket 9, the pressing plate 11 is fixedly connected to the output end of the second driving cylinder 10, and the pressing plate 11 is of a rectangular structure. It should be noted that: the bottom end of the pressing plate 11 is provided with uneven patterns to enhance the friction between the pressing plate 11 and the plastic woven bag. Through the settings of the first driving cylinder 4 and the second driving cylinder 10, the staff can perform inspections according to the inspection requirements of the plastic woven bag, and can stretch the two sides of the plastic woven bag or squeeze the middle of the plastic woven bag, which helps to ensure the accuracy and comprehensiveness of the equipment during the inspection operation; it should be noted that: the specific model specifications of the first driving cylinder 4, the second driving cylinder 10, the motor 12, the first electromagnet 17 and the second electromagnet 18 need to be selected according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in this field, so it will not be elaborated.

[0026] When the present invention is in use, the motor 12 is started, the motor 12 drives the driving gear 14 to rotate, the driving gear 14 drives the driven rack 16 to move in opposite directions, the driven rack 16 drives the connecting plate 15 to move in opposite directions, the connecting plate 15 drives the guiding bracket 3 to move in opposite directions in the guiding chute 2, and the guiding bracket 3 drives the first driving cylinder 4 to move in opposite directions to adapt to plastic woven bags of different specifications, and the plastic woven bag is placed between the first clamping plate 7 and the second clamping plate 8; through an external switch, the first electromagnet 17 and the second electromagnet 18 are started, the first electromagnet 17 drives the first clamping plate 7 to move vertically downward in the mounting chute 6, and the second electromagnet 18 drives the second clamping plate 8 to move vertically upward in the mounting chute 6, squeezing the compression spring 19, so that the guiding rod 20 moves upward in the through hole to fix and limit the plastic woven bag through the first clamping plate 7 and the second clamping plate 8; the detection methods include: selecting different test modes according to actual needs: the first one, starting the second driving cylinder 10, the second driving cylinder 10 drives the pressing plate 11 to fix and limit the plastic woven bag, so that the plastic woven bag in contact with the pressing plate 11 is in movable contact with the workbench 1, starting the first driving cylinder 4, the first driving cylinder 4 drives the mounting plate 5 to move vertically upward, the mounting plate 5 drives the support frame to move vertically upward in the support chute, so that both ends of the plastic woven bag are stretched upward to detect the tensile strength of the plastic woven bag; the second one, starting the motor 12, the motor 12 drives the driving gear 14 to rotate, the driving gear 14 drives the driven rack 16 to move in opposite directions, the driven rack 16 drives the connecting plate 15 to move in opposite directions, the connecting plate 15 drives the guiding bracket 3 to move in opposite directions in the guiding chute 2, the guiding bracket 3 drives the first driving cylinder 4 to move in opposite directions, the first driving cylinder 4 drives the plastic woven bag to be tightened outward through the mounting plate 5, and the second driving cylinder 10 is started, and the second driving cylinder 10 drives the pressing plate 11 to squeeze the plastic woven bag.

Claims

1. A special detection method for the production of plastic woven bags, which is detected by a special detection device for the production of plastic woven bags. The detection device includes a workbench, and is characterized in that, The workbench is provided with: a guiding chute and a guiding bracket. The guiding chute is opened on the workbench, and the guiding bracket is slidably sleeved in the guiding chute; a driving mechanism which is arranged in the workbench and used for driving the guiding bracket to move towards each other; a first driving cylinder and a mounting plate. The first driving cylinder is fixedly mounted on the guiding bracket, and the mounting plate is fixedly connected to the output end of the first driving cylinder; a mounting chute, a first clamping plate and a second clamping plate. The mounting chute is opened on the mounting plate. The first clamping plate is slidably sleeved at the upper end position of the mounting chute, and the second clamping plate is slidably sleeved at the lower end position of the mounting chute; a fixing mechanism which is arranged between the first clamping plate and the second clamping plate and used for driving the first clamping plate and the second clamping plate to fix and limit the plastic woven bag; a mounting bracket which is fixedly connected to the workbench; a second driving cylinder and a pressing plate. The second driving cylinder is fixedly mounted on the mounting bracket, and the pressing plate is fixedly connected to the output end of the second driving cylinder. The driving mechanism includes: a motor which is fixedly mounted in the workbench; a rotating shaft which is fixedly connected to the output end of the motor; a driving gear which is fixedly sleeved on the rotating shaft; a connecting plate which is fixedly connected to the bottom end of the guiding bracket; a driven rack which is meshed with the driving gear and fixedly connected to the bottom end position of the connecting plate. The rotating shaft is rotatably mounted at the inner wall position of the workbench, and the two driven racks are symmetrically arranged on both sides of the driving gear; The fixing mechanism includes: a first electromagnet which is fixedly connected to the first clamping plate; a second electromagnet which is fixedly connected to the second clamping plate; support chutes are opened on both sides of the guiding bracket, and support frames fixedly connected to the mounting plate are slidably connected in the support chutes; The detection method includes: selecting different test modes according to actual needs: the first one is to start the second driving cylinder, and the second driving cylinder drives the pressing plate to fix and limit the plastic woven bag, so that the plastic woven bag in contact with the pressing plate is in movable contact with the workbench. Then start the first driving cylinder, and the first driving cylinder drives the mounting plate to move vertically upward. The mounting plate drives the support frame to move vertically upward in the support chute, so that both ends of the plastic woven bag are stretched upward, thereby detecting the tensile strength of the plastic woven bag; the second one is to start the motor, and the motor drives the driving gear to rotate. The driving gear drives the driven rack to move towards each other. The driven rack drives the connecting plate to move towards each other. The connecting plate drives the guiding bracket to move towards each other in the guiding chute. The guiding bracket drives the first driving cylinder to move towards each other. The first driving cylinder drives the plastic woven bag to be tightened outward through the mounting plate. Then start the second driving cylinder, and the second driving cylinder drives the pressing plate to squeeze the plastic woven bag.

2. The special inspection method for the production of plastic woven bags according to claim 1, wherein, The workbench is a box structure with a hollow interior, and the guiding chutes are symmetrically arranged at both ends of the workbench.

3. The special detection method for the production of plastic woven bags according to claim 1, characterized in that, The guiding bracket is provided with a storage groove for storing the first driving cylinder.

4. A special detection method for the production of plastic woven bags according to claim 1, characterized in that The fixing mechanism further includes: a spring welded between the first clamping plate and the second clamping plate; a guide rod fixedly connected to the second electromagnet, and the guide rod penetrates and extends to a position above the first electromagnet. The spring is longitudinally movably sleeved on the guide rod, and a through hole for slidably sleeving the guide rod is formed in the first electromagnet.

5. The special detection method for the production of plastic woven bags according to claim 1, characterized in that, The mounting bracket is of a gantry structure, and the pressing plate is of a rectangular structure.

6. The special detection method for the production of plastic woven bags according to claim 1, characterized in that, The first electromagnet and the second electromagnet attract each other with opposite poles, and the first electromagnet and the second electromagnet are opened and closed through an external switch.

Citation Information

Patent Citations

  • Device for detecting bearing strength of plastic woven bag

    CN214952725U