An easy-tear opening test device

Abstract

The present invention discloses an easy-tear opening test device, which relates to the technical field of packaging bag production and manufacturing. A rotating sleeve is horizontally rotatably sleeved on a positioning column; a support plate is U-shaped and connected to the outer wall of the rotating sleeve; a turntable is reciprocally rotatably arranged on two side walls of the support plate, and the turntable rotates in a vertical plane; a first clamping assembly is arranged on the side wall of the turntable and is used for vertically clamping the sealed end of the packaging bag; a cross beam plate is L-shaped and is horizontally movably arranged on a bottom plate; a second clamping assembly is arranged on the cross beam plate and is used for vertically clamping the body of the packaging bag. This application has the advantages of convenient use, wide detection range, high detection accuracy, etc.

Description

Technical Field

[0001] The present invention relates to the technical field of production and manufacturing of packaging bags, and particularly relates to a tear-open test device. Background Art

[0002] At the sealing part of a paper packaging bag or a transparent plastic packaging bag, in order to facilitate opening, a tear strip or a tear-open is usually provided. The existing tear strips are usually U-shaped holes opened on the side wall of the packaging bag or a row of small round holes are provided at the sealing part of the packaging bag, which can facilitate tearing by hand. After the tear strip or the tear-open is set, quality inspection is required. The existing quality inspection methods are mainly manual. The disadvantages of this quality inspection method are high labor costs, and when manually inspecting, the force applied by the human hand will change over time, resulting in a decrease in the accuracy of inspection. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a tear-open test device to solve the problems of low accuracy and high labor cost in the existing detection methods for the tear-open and tear strip of packaging bags described in the background art.

[0004] To solve the above problems, the present invention provides the following technical solutions: A tear-open test device includes

[0005] Positioning columns, vertically arranged on the bottom plate;

[0006] Rotating sleeves, horizontally rotatably sleeved on the positioning columns;

[0007] Support plates, in a U shape, connected to the outer wall of the rotating sleeves;

[0008] Rotating disks, reciprocally rotatably arranged on the two side walls of the support plates, and the rotating disks rotate in the vertical plane;

[0009] A first clamping assembly, arranged on the side wall of the rotating disk, for vertically clamping the sealing end of the packaging bag;

[0010] Cross beam plates, in an L shape, horizontally movably arranged on the bottom plate;

[0011] A second clamping assembly, arranged on the cross beam plates, for vertically clamping the body of the packaging bag.

[0012] Preferably: The first clamping assembly includes a first positioning plate arranged on the outer circumferential wall of the rotating disk, the first positioning plate is distributed along the radial direction of the rotating disk, a vertical guiding column is arranged on the upper surface of the first positioning plate, a first lifting cylinder is arranged on the lower surface of the first positioning plate, the output end of the first lifting cylinder slidably penetrates through the first positioning plate and is connected to a first lifting plate, the guiding column slidably penetrates through the first lifting plate, and clamping plates are respectively arranged on the opposite surfaces of the first positioning plate and the first lifting plate.

[0013] Preferably, an arc-shaped rack is further provided on the outer circumferential wall of the turntable. Second gears are rotatably connected to the two side walls of the support plate. A second servo motor is provided on one of the side walls of the support plate. The output end of the second servo motor is connected to the rotating shaft of the second gear, and the second gear meshes with the rack.

[0014] Preferably, a toothed ring is further sleeved on the outer circumferential wall of the rotating sleeve. A first servo motor is further provided on the positioning column. The output end of the first servo motor is provided with a first gear that meshes with the toothed ring.

[0015] Preferably, the second clamping assembly includes a second positioning plate provided on the vertical plate of the cross beam plate and a second lifting cylinder provided on the horizontal plate of the cross beam plate. The output end of the second lifting cylinder is provided with a second lifting plate. The surfaces of the second lifting plate opposite to the second positioning plate respectively have teeth.

[0016] Preferably, a horizontal ball screw module and a slide bar are provided on the bottom plate. The slide bar slidably penetrates through the vertical plate of the cross beam plate. The ball nut of the ball screw module is threadedly connected to the vertical plate of the cross beam plate.

[0017] The beneficial effects of adopting the above technical solutions are as follows:

[0018] In this application, the first clamping assembly and the second clamping assembly can clamp both sides of the tear notch or tear strip of the packaging bag. Then, the turntable can move the sealed end of the packaging bag, so as to realize the tearing of the tear notch. And the rotating sleeve can drive the turntable to move horizontally, which can make the moving direction of the first clamping assembly more, improve the flexibility of detection. And the cross beam plate can move on the bottom plate to adjust the distance between the first clamping assembly and the second clamping assembly to adapt to packaging bags of different sizes, and improve the applicable range. Description of the Drawings

[0019] Figure 1 It is the front view of a tear notch test device of the present invention.

[0020] Figure 2 It is the structural schematic diagram of a tear notch test device of the present invention.

[0021] Wherein: bottom plate 10, positioning column 20, support plate 30, rotating sleeve 31, toothed ring 32, servo motor 33, gear 34, turntable 40, rack 41, second gear 42, second servo motor 43, first clamping assembly 50, first positioning plate 51, guide post 52, first lifting plate 53, first lifting cylinder 54, clamping plate 55, cross beam plate 60, slide bar 61, ball screw module 62, second clamping assembly 70, second lifting plate 71, second lifting cylinder 72, second positioning plate 73, packaging bag 80. Detailed Embodiments

[0022] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] As Figure 1-2 , in the first embodiment, a tear notch test device includes

[0024] Positioning posts 20, vertically arranged on the bottom plate 10;

[0025] Rotating sleeves 31, horizontally rotatably sleeved on the positioning posts 20;

[0026] Support plates 30, in a U shape, connected to the outer wall of the rotating sleeves 31;

[0027] Turntables 40, reciprocally rotatably arranged on two side walls of the support plates 30, and the turntables 40 rotate in a vertical plane;

[0028] First clamping assemblies 50, arranged on the side walls of the turntables 40, for vertically clamping the sealed ends of packaging bags;

[0029] Cross beam plates 60, in an L shape, horizontally movably arranged on the bottom plate 10;

[0030] Second clamping assemblies 70, arranged on the cross beam plates 60, for vertically clamping the bodies of packaging bags.

[0031] This embodiment is implemented as follows:

[0032] The rotating sleeve 31 of the present application is composed of two sleeve rings with different outer diameters, one sleeve ring is connected to the support plate 30, and the other sleeve ring is connected to the toothed ring 32;

[0033] When the present application is in use, first adjust the position of the cross beam plate 60 on the bottom plate 10 according to the size of the packaging bag, so that the distance between the first clamping assembly 50 and the second clamping assembly 70 is within a reasonable range, then clamp the sealed end of the packaging bag through the first clamping assembly 50, then clamp the body of the packaging bag through the second clamping assembly 70, and then rotate the turntable 40 to tear the tear notch or tear strip notch of the packaging bag, and the horizontal rotation of the rotating sleeve 31 can also provide horizontal rotation for the first clamping assembly 50, so that the detection range is wider.

[0034] Embodiment Two

[0035] As an optimized solution for the first embodiment, the first clamping assembly 50 includes a first positioning plate 51 disposed on the outer circumferential wall of the turntable 40. The first positioning plate 51 is distributed along the radial direction of the turntable 40. A vertical guide post 52 is provided on the upper surface of the first positioning plate 51, and a first lifting cylinder 54 is provided on the lower surface. The output end of the first lifting cylinder 54 slidably penetrates through the first positioning plate 54 and is connected to a first lifting plate 53. The guide post 52 slidably penetrates through the first lifting plate 53. Clamping plates 55 are respectively provided on the opposite surfaces of the first positioning plate 51 and the first lifting plate 53.

[0036] This embodiment is implemented as follows. By setting the first lifting cylinder 54, it can drive the first lifting plate 53 to move vertically on the guide post 52, causing the two clamping plates 55 to move relatively, so that the two clamping plates 55 clamp the sealed end of the packaging bag.

[0037] Embodiment Three

[0038] As an optimized solution for the first embodiment, an arc-shaped rack 41 is further provided on the outer circumferential wall of the turntable 40. Second gears 42 are rotatably connected to the two side walls of the support plate 30. A second servo motor 43 is provided on one of the side walls of the support plate 30. The output end of the second servo motor 43 is connected to the rotating shaft of the second gear 42. The second gear 42 meshes with the rack 41.

[0039] This embodiment is implemented as follows. By setting the second servo motor 43 to drive the second gear 42 to rotate, the second gear 42 cooperates with the rack 41 to drive the turntable 40 to rotate.

[0040] Embodiment Four

[0041] As an optimized solution for the third embodiment, a toothed ring 32 is further sleeved on the outer circumferential wall of the rotating sleeve 31. A first servo motor 33 is further provided on the positioning column 20. The output end of the first servo motor 33 is provided with a first gear 34 that meshes with the toothed ring 32.

[0042] This embodiment is implemented as follows. By setting the first servo motor 33 to drive the first gear 34 to rotate, the first gear 34 cooperates with the toothed ring 32 to drive the rotating sleeve 31 to rotate on the positioning column 20.

[0043] Embodiment Five

[0044] As an optimized solution for the first embodiment, the second clamping assembly 70 includes a second positioning plate 73 provided on the vertical plate of the cross beam plate 60 and a second lifting cylinder 72 provided on the horizontal plate of the cross beam plate 60. The output end of the second lifting cylinder 72 is provided with a second lifting plate 71. Tooth teeth are respectively provided on the opposite surfaces of the second lifting plate 71 and the second positioning plate 73.

[0045] In this embodiment, the second lifting cylinder 72 drives the second lifting plate 71 to move vertically, so that the second lifting plate 72 cooperates with the second positioning plate 73 to clamp the body of the packaging bag.

[0046] As a further optimization scheme of this embodiment, a horizontal ball screw module 62 and a slide bar 61 are arranged on the bottom plate 10. The slide bar 61 slidably penetrates the vertical plate of the cross beam plate 60, and the ball nut of the ball screw module 62 is threadedly connected to the vertical plate of the cross beam plate 60.

[0047] In this optimization scheme, the ball screw module 62 can drive the cross beam plate 60 to move horizontally on the slide bar 61.

[0048] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the inventive concept of the present invention, several modifications and improvements can be made, and these all belong to the protection scope of the present invention.

Claims

1. An easy-tear opening test device, comprising positioning columns, vertically arranged on the bottom plate; It is characterized in that: a rotating sleeve, horizontally rotatably sleeved on the positioning column; a support plate, in a U shape, connected to the outer wall of the rotating sleeve and horizontally rotating following the rotating sleeve; a turntable, reciprocally rotatably arranged on two side walls of the support plate, and the turntable rotates in a vertical plane; a first clamping assembly, arranged on the side wall of the turntable, for vertically clamping the sealed end of the packaging bag. The first clamping assembly vertically rotates up and down in the support plate through the turntable, and horizontally rotates around the positioning column through the rotating sleeve; a cross beam plate, in an L shape, horizontally movably arranged on the bottom plate; a second clamping assembly, arranged on the cross beam plate, for vertically clamping the body of the packaging bag.

2. The easy tear opening test device according to claim 1, characterized in that, The first clamping assembly includes a first positioning plate arranged on the outer circumferential wall of the turntable. The first positioning plate is distributed along the radial direction of the turntable. A vertical guiding column is arranged on the upper surface of the first positioning plate, and a first lifting cylinder is arranged on the lower surface. The output end of the first lifting cylinder slidably penetrates through the first positioning plate and is connected to a first lifting plate. The guiding column slidably penetrates through the first lifting plate. Clamping plates are respectively arranged on the opposite surfaces of the first positioning plate and the first lifting plate.

3. The tear notch test equipment according to claim 1, characterized in that, An arc-shaped rack is further arranged on the outer circumferential wall of the turntable. Second gears are rotatably connected to two side walls of the support plate. A second servo motor is arranged on one side wall of the support plate. The output end of the second servo motor is connected to the rotating shaft of the second gear. The second gear meshes with the rack.

4. The easy tear opening test device according to claim 3, characterized in that, A toothed ring is further sleeved on the outer circumferential wall of the rotating sleeve. A first servo motor is further arranged on the positioning column. A first gear meshing with the toothed ring is arranged at the output end of the first servo motor.

5. The easy tear opening test device according to claim 1, characterized in that, The second clamping assembly includes a second positioning plate arranged on the vertical plate of the cross beam plate and a second lifting cylinder arranged on the horizontal plate of the cross beam plate. The output end of the second lifting cylinder is provided with a second lifting plate. Tooth teeth are respectively arranged on the opposite surfaces of the second lifting plate and the second positioning plate.

6. An easy tear opening test device according to claim 5, characterized in that, A horizontal ball screw module and a slide bar are arranged on the bottom plate. The slide bar slidably penetrates through the vertical plate of the cross beam plate. The ball nut of the ball screw module is threadedly connected to the vertical plate of the cross beam plate.

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