Hot melt adhesive shearing performance detection device

Abstract

The utility model relates to the technical field of hot melt adhesive shearing performance detection, in particular to a hot melt adhesive shearing performance detection device which comprises a box body and a shaking device, the shaking device comprises two shaking assemblies arranged in the box body, each shaking assembly comprises an object placing plate, two supporting seats and a driving unit, the two supporting seats are arranged in the box body in a spaced mode in the horizontal direction, and the driving unit is arranged in the box body. The supporting seats extend in the vertical direction, the storage plates are arranged on the supporting seats in the vertical direction, the two storage plates are arranged in a spaced mode and located between the two supporting seats, the driving units are arranged on the supporting seats and used for driving the storage plates to slide along the supporting seats, and the sliding directions of the two supporting seats are opposite. During use, the two opposite sides of a wet tissue finished product are fixed to the two storage plates respectively, then the storage plates are driven by the driving units to slide along the supporting seats, the sliding directions of the two supporting seats are opposite, the wet tissue finished product shakes, and therefore the shearing performance of hot melt adhesive used for bonding a wet tissue cover and a wet tissue packaging bag is detected.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melt adhesive performance detection, in particular to a hot melt adhesive shear performance detection device. Background Art

[0002] The lid of the wet wipes (wet wipes cover) is mainly fixed to the packaging bag of the wet wipes by using hot melt adhesive.

[0003] Affected by temperature and environment, the wet wipes cover of a large package of wet wipes will have various problems in winter and summer. This mainly depends on the basic properties of the hot melt adhesive, such as viscosity (flowability), softening point (heat resistance), cohesion, curing time, etc. Hot melt adhesives with different substrates exhibit different properties. Therefore, for hot melt adhesives of different systems, different problems will arise in different usage environments. For example, in the summer when the temperature is high, when the hot melt adhesive has a low softening point and low cohesion, it will flow more easily, resulting in the problem of the wet wipes cover shifting; when the temperature is low in winter, the hot melt adhesive is less likely to soften, but its bonding strength with the adhesive substrate will be reduced, which will cause the cover to fall off.

[0004] Currently, existing testing devices for hot melt adhesive performance testing, whether in winter or summer, typically use a peel test (using a tensile tester to pull the wet wipes packaging bag or wet wipes cover) to test the adhesive properties of the hot melt adhesive, but are unable to test the shear properties of the hot melt adhesive. However, due to the high temperatures in summer and the low softening point of hot melt adhesive, the finished wet wipes will experience bumps during transportation, causing the finished wet wipes to sway back and forth during transportation, which will affect the shear properties of the hot melt adhesive. Therefore, there is an urgent need to provide a device for testing the shear properties of hot melt adhesives. Utility Model Content

[0005] One of the main purposes of the present utility model is to provide a hot melt adhesive shear performance detection device, aiming to solve the technical problem that the existing hot melt adhesive performance detection device cannot detect the shear performance of hot melt adhesive.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a hot melt adhesive shear performance detection device, including a box body and a shaking device, the shaking device including two shaking components arranged in the box body, each shaking component including a storage plate, a support seat and a driving unit, the two support seats are arranged in the box body at intervals along the horizontal direction, each of the support seats extends vertically, each of the storage plates is arranged vertically on each of the support seats, the two storage plates are arranged in the horizontal direction at intervals and are located between the two support seats, each of the driving units is arranged on each of the support seats, and each of the driving units is used to drive each of the storage plates to slide along each of the support seats, and the sliding directions of the two support seats are opposite.

[0007] Furthermore, a universal caster is provided at the bottom of the support base, and the support base is placed in the box through the universal caster. The universal caster has a self-locking structure so that the support base can be moved or fixed in the box.

[0008] Furthermore, a heating device is provided in the box body for heating the air in the box body.

[0009] Furthermore, adhesive portions are provided on the upper surfaces of the two storage plates, and the two adhesive portions are respectively used to fix the opposite sides of the finished wet wipes.

[0010] Furthermore, a counter is provided in the box body for monitoring the number of times the finished wet wipes shake.

[0011] Furthermore, a timer is provided in the box body for monitoring the time when the wet wipes cover on the wet wipes finished product shifts.

[0012] Furthermore, a gear is rotatably provided on the support seat, the driving unit includes a driving motor, the output shaft of the driving motor is drivingly connected to the gear, a sliding member is provided on the support seat for vertical sliding, the storage plate is fixed on the sliding member, and a rack meshing with the gear is provided on the sliding member, and the rack extends vertically.

[0013] Furthermore, the sliding part includes an annular part and two sliding parts, the two sliding parts are fixedly connected to the two ends of the outer ring of the annular part respectively, and the sliding part is slidably connected to the support seat along the vertical direction, and the racks are provided on the opposite side walls of the inner ring of the annular part.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] When the hot melt adhesive shearing performance testing device of the present invention is used, opposite sides of the finished wet wipes are fixed on two placement plates respectively, and then each placement plate is driven to slide along each support seat by each driving unit. Since the two support seats slide in opposite directions, the two placement plates slide in opposite directions, thereby causing the finished wet wipes to shake. During the shaking process of the finished wet wipes, the displacement of the wet wipes cover is observed by the naked eye, and the time when the wet wipes cover is displaced and the number of times the wet wipes cover is shaken are recorded. The shearing performance of the hot melt adhesive used to bond the wet wipes cover to the wet wipes packaging bag is tested based on the displacement time of the wet wipes cover and the number of times the wet wipes cover is shaken. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the hot melt adhesive shear performance detection device of the utility model;

[0017] Figure 2This is a schematic structural diagram of the hot melt adhesive shear performance detection device of the utility model from another angle;

[0018] Figure 3 The embodiment is a schematic structural diagram of a sliding member meshing with a gear.

[0019] Reference numerals in the accompanying drawings:

[0020] 1. Box body; 2. Support base; 20. Universal caster; 3. Storage plate; 4. Sliding part; 40. Ring part; 401. Rack; 41. Sliding part; 5. Gear; 6. Heating device; 7. Timer; 8. Counter. DETAILED DESCRIPTION

[0021] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0022] In the description of the present invention, it should be understood that the terms "width", "up", "down", "front", "back", "top", "bottom", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "set" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections, direct connections, or indirect connections through an intermediate medium; they may refer to internal communication between two components or the interaction between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0024] Please refer to Figure 1 - Figure 3The present invention provides a hot melt adhesive shear performance testing device, comprising a housing 1 and a shaking device, wherein the shaking device comprises two shaking components disposed in the housing 1. Each shaking component comprises a storage plate 3, a support seat 2, and a drive unit (not shown). The two support seats 2 are arranged in the housing 1 at intervals along the horizontal direction. Each support seat 2 extends vertically. Each storage plate 3 is vertically disposed on each support seat 2. The two storage plates 3 are arranged in the horizontal direction at intervals and are located between the two support seats 2. Each drive unit is disposed on each support seat 2. Each drive unit is used to drive each storage plate 3 to slide along each support seat 2, and the two support seats 2 slide in opposite directions. When the hot melt adhesive shear performance testing device of the present invention is in use, the opposite sides of the finished wet wipes are fixed on the two placement plates 3 respectively, and then the placement plates 3 are driven to slide along the support seats 2 by the driving units. Since the two support seats 2 slide in opposite directions, the two placement plates 3 slide in opposite directions, thereby causing the finished wet wipes to shake. During the shaking process of the finished wet wipes, the displacement of the wet wipes cover is observed by the naked eye, and the time when the wet wipes cover is displaced and the number of times the wet wipes are shaken are recorded. The shear performance of the hot melt adhesive used to bond the wet wipes cover to the wet wipes packaging bag is evaluated and tested based on the displacement time of the wet wipes cover and the number of times the wet wipes are shaken.

[0025] In this embodiment, adhesive portions are provided on the upper surfaces of both storage plates 3. These adhesive portions may be double-sided tape, and are used to secure the finished wet wipes on opposite sides to prevent them from falling during shaking. Of course, in other embodiments, the opposite sides of the finished wet wipes may also be secured to the upper surfaces of the two storage plates 3 using other adhesive structures, which is not a limitation here.

[0026] In this embodiment, a universal caster 20 is provided at the bottom of the support base 2. The support base 2 is placed in the box body 1 via the universal caster 20. The universal caster 20 has a self-locking structure, so that the support base 2 can be moved or fixed in the box body 1. In other words, it can be understood that by fixing the universal caster 20 with a self-locking structure at the bottom of the support base 2, the support base 2 can be fixed in the box body 1 or moved in the box body 1. In this way, the two support bases 2 can be moved relative to or away from each other, and the spacing between the two storage plates 3 can be adjusted, so that the storage plates 3 can hold finished wet wipes of different specifications.

[0027] It should be noted that the self-locking structure of the universal caster 20 is an existing self-locking structure.

[0028] In this embodiment, a gear 5 is rotatably mounted on the support base 2. The drive unit includes a drive motor, the output shaft of which is in driving connection with the gear 5. A slider 4 is vertically mounted on the support base 2, to which the storage plate 3 is fixed. The slider 4 is provided with a rack 401 that meshes with the gear 5. The rack 401 extends vertically. Thus, each storage plate 3 is independently controlled by a drive motor. The drive motor drives the gear 5, which in turn drives the slider 4 to slide up and down along the support base 2, thereby driving the storage plate 3 up and down.

[0029] Among them, the rotational angular velocity of the gear 5 is controlled by the drive motor, and the rotational frequency of the drive motor can be adjusted at the same time. When the rotation direction of the gear 5 on one support base 2 is clockwise, the rotation direction of the gear 5 on the other support base 2 is counterclockwise, that is, the rotation directions of the two gears 5 are opposite (one clockwise and the other counterclockwise), and the up and down sliding directions of the two storage plates 3 are opposite. During the test, the user can turn on both drive motors at the same time or only turn on one drive motor according to the test requirements.

[0030] Furthermore, the slider 4 includes an annular portion 40 and two sliding portions 41. The two sliding portions 41 are fixedly connected to the ends of the outer ring of the annular portion 40 and are vertically slidably connected to the support base 2. The aforementioned racks 401 are provided on opposite side walls of the inner ring of the annular portion 40. Thus, the inner ring of the annular portion 40 has two racks 401, and both racks 401 mesh with the gear 5, which helps improve the stability of the upward and downward movement of the storage plate 3.

[0031] On the basis of the above structure, a heating device 6 is further provided in the box 1, and the heating device 6 is used to heat the air in the box 1. The heating device 6 of this embodiment can be a heating wire, and by controlling the temperature of the heating wire, the temperature in the box 1 is adjusted to simulate the temperature in summer.

[0032] It should be noted that when the two support bases 2 are placed sideways in the box body 1 or when the two support bases 2 are taken out from the box body 1 , the box body 1 is combined with the heating device 6 and can be directly used as a drying oven.

[0033] In addition, a counter 8 and a timer 7 are provided in the box body 1. The counter 8 is used to monitor the number of times the wet wipes product shakes; the timer 7 is used to monitor the time when the wet wipes cover on the wet wipes product shifts.

[0034] The working principle of this utility model is:

[0035] First, the distance between the two support seats 2 is adjusted by the universal casters 20 so that the distance between the two storage plates 3 is adjusted to an appropriate position; then, the opposite sides of the finished wet wipes to be tested are fixed on the two storage plates 3 to prevent the finished wet wipes from moving; then, the heating device 6 is turned on to heat the air in the box 1 so that the temperature in the box 1 simulates the temperature in summer; finally, according to the test requirements, two drive motors are turned on or only one drive motor is turned on to make the two storages slide relative to each other vertically, so that the finished wet wipes shake. During the test, the wet wipes cover on the finished wet wipes is observed by eye to see if it shifts, and the time when the wet wipes cover shifts is recorded by the timer 7 and the number of times the wet wipes shake is recorded by the counter 8. The shear performance of the hot melt adhesive used to bond the wet wipes cover to the wet wipes packaging bag is evaluated based on the time when the wet wipes cover shifts and the number of times the wet wipes shake.

[0036] In summary, the detection device of the present invention detects the shear performance of the hot melt adhesive by simulating the back and forth shaking of the finished wet wipes during transportation, so as to comprehensively evaluate the performance of the hot melt adhesive. It can better simulate the problems encountered during the actual transportation of the finished wet wipes, and facilitate the guidance of transportation packaging.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A hot melt adhesive shear performance detection device, characterized in that: It includes a box body and a shaking device, the shaking device includes two shaking components arranged in the box body, each of the shaking components includes a storage plate, a support seat and a driving unit, the two support seats are arranged in the box body at intervals along the horizontal direction, each of the support seats extends vertically, each of the storage plates is arranged vertically on each of the support seats, the two storage plates are arranged in the horizontal direction at intervals and are located between the two support seats, each of the driving units is arranged on each of the support seats, and each of the driving units is used to drive each of the storage plates to slide along each of the support seats, and the sliding directions of the two support seats are opposite.

2. The hot melt adhesive shear performance detection device according to claim 1, characterized in that: The bottom of the support base is provided with a universal caster, and the support base is placed in the box through the universal caster. The universal caster has a self-locking structure so that the support base can be moved or fixed in the box.

3. The hot melt adhesive shear performance detection device according to claim 1, characterized in that: A heating device is provided in the box body for heating the air in the box body.

4. The hot melt adhesive shear performance detection device according to claim 1, characterized in that: Adhesive portions are provided on the upper surfaces of the two storage plates, and the two adhesive portions are respectively used to fix the opposite sides of the finished wet wipes.

5. The hot melt adhesive shear performance detection device according to claim 4, characterized in that: A counter is provided in the box body for monitoring the number of times the wet wipes finished product shakes.

6. The hot melt adhesive shear performance detection device according to claim 4, characterized in that: A timer is provided in the box body for monitoring the time when the wet wipe cover on the wet wipe product shifts.

7. The hot melt adhesive shear performance detection device according to claim 1, characterized in that: A gear is rotatably provided on the support seat, and the driving unit includes a driving motor. The output shaft of the driving motor is drivingly connected to the gear. A sliding member is provided on the support seat for vertical sliding. The storage plate is fixed on the sliding member. A rack engaged with the gear is provided on the sliding member, and the rack extends vertically.

8. The hot melt adhesive shear performance detection device according to claim 7, characterized in that: The sliding member includes an annular portion and two sliding portions. The two sliding portions are fixedly connected to the two ends of the outer ring of the annular portion respectively, and the sliding portion is slidably connected to the support seat along the vertical direction. The racks are provided on the opposite side walls of the inner ring of the annular portion.

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