CN219168773U - Hot melt gumming machine - Google Patents

Abstract

The utility model provides a hot melt glue spreader, which comprises a frame, a glue melting tank, a glue spreading roller and a stirring roller, wherein the glue melting tank is arranged on the frame for accommodating glue stock; the stirring roller is rotatably arranged on the frame and positioned in the melt adhesive groove so as to stir the sizing material in the melt adhesive groove. According to the hot melt glue spreader, the stirring roller is arranged in the glue melting tank, and the glue in the glue melting tank is continuously stirred by the stirring roller in the heating and melting process, so that the upper layer and the lower layer of the glue are continuously and alternately heated, the heating uniformity of the glue is improved, and the quick melting of the glue is facilitated.

Description

Hot melt gumming machine

Technical Field

The utility model relates to the technical field of hot melt adhesive coating, in particular to a hot melt adhesive coating machine.

Background

The buffer seat for packaging is usually manufactured by cutting and bonding a pearl cotton plate, the bonding surface of the pearl cotton plate is required to be coated by using hot melt adhesive, the existing hot melt adhesive coating machine is used for coating the adhesive by adopting an adhesive coating roller immersed in an adhesive coating groove, the hot melt adhesive in the adhesive coating groove is continuously adhered to the outer peripheral surface of the adhesive coating roller through the rotating adhesive coating roller, and the pearl cotton plate is contacted with the rotating adhesive coating roller, so that the hot melt adhesive on the outer peripheral surface of the adhesive coating roller is coated on the pearl cotton plate. Therefore, the quick sizing of the pearl cotton plate can be realized, however, the traditional hot-melt gumming machine is only provided with a gumming groove for melting the sizing material, and the lower layer melting speed of the sizing material placed in the gumming groove is higher than the upper layer melting speed because the temperature of the bottom of the gumming groove is higher than that of the top of the gumming groove, so that the non-uniform melting of the sizing material in the gumming groove can be caused, and the melting speed is slower.

Disclosure of Invention

In view of the above, the utility model provides a hot melt adhesive machine to improve the heating uniformity of the adhesive material and facilitate the quick melting of the adhesive material.

The technical scheme of the utility model is as follows:

the utility model provides a hot melt glue spreader, which comprises a frame, a glue melting tank, a glue spreading roller and a stirring roller, wherein the glue melting tank is arranged on the frame for accommodating glue stock; the stirring roller is rotatably arranged on the frame and positioned in the melt adhesive groove so as to stir the sizing material in the melt adhesive groove;

the hot melt glue spreader further comprises a rolling mechanism which is arranged on the frame and used for being matched with the glue spreading roller to clamp the glue spreading material to pass through, the rolling mechanism comprises a support, a sliding block, a pressing roller, a lifting rod and an adjusting wheel, the two supports are oppositely arranged on the frame and are positioned at the two ends of the glue spreading roller, a sliding groove is vertically formed in each support, the sliding block is arranged in the sliding groove in a sliding manner, the two ends of the pressing roller are respectively rotatably arranged on the two sliding blocks and are positioned right above the glue spreading roller, the lifting rod is in threaded connection with the top of the support and is rotatably connected with the sliding block, and the adjusting wheel is fixed at the top end of the lifting rod;

the lifting rod is driven by the rotary adjusting wheel to rotate to realize lifting, and the lifting rod drives the two sliding blocks to lift along with the glue spreader along the sliding groove of the bracket so as to adjust the distance between the glue spreader and the compression roller, thereby realizing gluing of gluing materials with different thicknesses.

Further, the stirring roller comprises a roller, stirring blades and end shafts, wherein a plurality of stirring blades are uniformly distributed on the outer peripheral surface of the roller, the end shafts are fixedly connected to the two ends of the roller, and the end shafts are rotatably connected to the rack.

Further, the stirring roller further comprises a second electric heating tube, and the roller and the end shaft of the roller are of hollow structures for being placed in the second electric heating tube to heat the roller and the stirring blade.

Further, the inner surface of the melt adhesive groove is provided with a release coating to avoid adhesive adhesion.

Further, the device also comprises a first heating device for heating and melting the rubber material in the melt adhesive tank, and the first heating device comprises a plurality of first electric heating pipes arranged at the bottom of the melt adhesive tank.

Further, the device comprises a roller driving motor for driving the glue spreading roller and the stirring roller to rotate, a heat insulation plate is arranged in the frame, the inner space of the frame is divided into an upper cavity and a lower cavity by the heat insulation plate, the first heating device is located in the upper cavity, the roller driving motor is fixed on the frame and located in the lower cavity, a first driving sprocket and a second driving sprocket are fixed on an output shaft of the roller driving motor, a first driven sprocket is fixed on a transmission shaft of the glue spreading roller, a second driven sprocket is fixed on an end shaft of the stirring roller, the first driving sprocket and the first driven sprocket are connected through a first chain penetrating through the heat insulation plate, and the second driving sprocket and the second driven sprocket are connected through a second chain penetrating through the heat insulation plate.

Further, the glue spreading roller and the transmission shaft thereof are provided with heating cavities for being placed into a third electric heating tube to heat the glue spreading roller.

Further, still including installing in the exhaust treatment device of roll-in mechanism top, exhaust treatment device includes adsorption cover, fan, filter and blast pipe, adsorption cover is fixed in on the roll-in mechanism and covers and locate roll-in mechanism top, adsorption cover adopts the cross section to be the U-shaped cover of U-shaped, a plurality of adsorption holes have been seted up to the internal surface of U-shaped cover, the fan is fixed in U-shaped cover top surface, the air inlet of fan and the a plurality of adsorption holes intercommunication of U-shaped cover, install the filter on the gas vent of fan, blast pipe one end is connected in the exhaust end of filter, the other end stretches out to the outdoor.

Further, the U-shaped cover comprises a top plate and arc-shaped plates connected to two sides of the top plate and arranged in a downward bending mode, and the fan is fixed on the top plate.

The utility model has the beneficial effects that:

according to the hot melt glue spreader, the stirring roller is arranged in the glue melting tank, and the glue in the glue melting tank is continuously stirred by the stirring roller in the heating and melting process, so that the upper layer and the lower layer of the glue are continuously and alternately heated, the heating uniformity of the glue is improved, and the quick melting of the glue is facilitated.

The preferred embodiments of the present utility model and their advantageous effects will be described in further detail with reference to specific embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model. In the drawings of which there are shown,

FIG. 1 is a perspective view of a hot melt adhesive applicator of the present utility model;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a perspective view of the hot melt adhesive applicator of the present utility model from a first view after the side plates of the frame are removed;

FIG. 4 is a perspective view of the hot melt adhesive applicator of the present utility model from a second perspective with the side plates of the frame removed;

fig. 5 is a left side view of fig. 4.

Reference numerals illustrate: the device comprises a frame 1, a glue tank 2, a glue spreader 3, a glue mixing mechanism 4, a glue mixing plate 41, a connecting shaft 42, a pull rod 43, a screw 44, a hand wheel 45, a spring 46, a bolt 47, a first electric heating tube 21, a stirring roller 5, a roller 51, a stirring blade 52, a second electric heating tube 53, a roller driving motor 6, a heat insulation plate 11, a first driving sprocket 61, a second driving sprocket 62, a first driven sprocket 31, a second driven sprocket 54, a heat radiation window 12, a third electric heating tube 32, a rolling mechanism 7, a bracket 71, a sliding block 72, a pressing roller 73, a lifting rod 74, a regulating wheel 75, an exhaust gas treatment device 8, an adsorption cover 81, a fan 82, a filter 83 and an exhaust pipe 84.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Referring to fig. 1 to 5, the present utility model provides a hot melt adhesive coating machine, which comprises a frame 1, a melt adhesive tank 2, an adhesive coating roller 3 and an adhesive mixing mechanism 4, wherein the melt adhesive tank 2 is mounted on the frame 1 for accommodating adhesive materials, the adhesive coating roller 3 is rotatably mounted on the frame 1, and the bottom of the adhesive coating roller 3 is immersed into the adhesive materials in the melt adhesive tank 2 for adhering the adhesive materials. The glue mixing mechanism 4 comprises a glue mixing plate 41, a connecting shaft 42, a pull rod 43, a screw rod 44, a hand wheel 45 and a spring 46, wherein the glue mixing plate 41 is installed on the frame 1 through the connecting shaft 42 in an adjustable gap mode, one end of the pull rod 43 is fixed at the end of the connecting shaft 42, the other end of the pull rod 43 is connected with one end of the screw rod 44, the screw rod 44 is in threaded connection with the frame 1, the hand wheel 45 is fixed at the other end of the screw rod 44, the spring 46 is sleeved on the screw rod 44, and two ends of the spring are propped between the end of the screw rod 44 and the frame 1.

According to the hot melt glue spreader provided by the utility model, the melt glue groove 2, the glue spreader 3 and the glue mixing mechanism 4 are arranged on the frame 1, the glue mixing mechanism 4 is matched with the glue mixing plate 41, the connecting shaft 42, the pull rod 43, the screw 44, the hand wheel 45 and the spring 46, the screw 44 is driven to rotate by rotating the hand wheel 45, so that the screw 44 moves along the axial direction of the screw, the pull rod 43 is pulled to correspondingly move, the pull rod 43 moves to drive the glue mixing plate 41 to approach or separate from the glue spreader 3 through the connecting shaft 42, when the glue mixing plate 41 contacts the peripheral surface of the glue spreader 3 and is matched with the action of the spring 46, so that the contact between the glue mixing plate 41 and the glue spreader 3 has a buffer space, damage caused by rigid contact is avoided, and the glue mixing plate 41 can scrape the glue on the peripheral surface of the glue spreader 3, and automatic cleaning of the glue spreader 3 is realized. When the thickness of the coating adhesive layer needs to be increased, the gap between the adhesive adjusting plate 41 and the adhesive coating roller 3 is increased through the hand wheel 45, so that the thickness of the adhesive adhered to the outer peripheral surface of the adhesive coating roller 3 is adjusted, the uniformity of the thickness of the coating adhesive layer is improved, the bonding quality is improved, and the adhesive coating device has the advantages of being simple in structure and convenient to operate.

In this embodiment, an adjusting hole is formed in the glue adjusting plate 41 along the extending direction thereof, a plurality of screw holes penetrating the adjusting hole are formed in the upper surface of the glue adjusting plate 41, bolts 47 are screwed into the screw holes, and the connecting shaft 42 is inserted into the shaft hole for adjustment and is tightly fixed by the bolts 47. The bolt 47 is loosened, so that the installation positions of the glue adjusting plate 41 and the connecting shaft 42 can be adjusted, and the gap between the glue adjusting plate 41 and the glue spreader 3 can be adjusted.

In this embodiment, the inner surface of the melt tank 2 is provided with a release coating to avoid the adhesion of the glue. The hot melt adhesive applicator of the present utility model further comprises a first heating means for heating the adhesive in the melt adhesive tank 2, the first heating means comprising a plurality of first electric heating pipes 21 disposed at the bottom of the melt adhesive tank 2.

In this embodiment, the hot melt adhesive applicator of the present utility model further includes a stirring roller 5 rotatably mounted on the frame 1 and positioned in the melt adhesive tank 2, so as to stir the adhesive in the melt adhesive tank 2. Thus being convenient for the quick melting of the sizing material and improving the heating uniformity of the sizing material. The stirring roller 5 comprises a roller 51, stirring blades 52 and end shafts, wherein a plurality of stirring blades 52 are uniformly arranged on the outer circumferential surface of the roller 51, the end shafts are fixedly connected to the two ends of the roller 51, and the end shafts are rotatably connected to the frame 1. In order to increase the melting speed of the sizing material, the stirring roller 5 further comprises a second electric heating tube 53, and the roller 51 and the end shaft thereof are hollow structures and are arranged in the second electric heating tube 53 to heat the roller 51 and the stirring blade 52. Therefore, the sizing material can be heated while being stirred, and the sizing material in the melt adhesive tank 2 is matched with the bottom heating and the top heating, so that the heating speed and the uniformity of the sizing material are further improved.

In this embodiment, the hot melt adhesive applicator of the present utility model further includes a roller driving motor 6 for driving the adhesive applicator 3 and the stirring roller 5 to rotate. The machine frame 1 is internally provided with a heat insulation plate 11, the heat insulation plate 11 is internally filled with heat insulation materials, the heat insulation plate 11 divides the internal space of the machine frame 1 into an upper cavity and a lower cavity, a first heating device is positioned in the upper cavity, a roller driving motor 6 is fixed on the machine frame 1 and positioned in the lower cavity, a first driving sprocket 61 and a second driving sprocket 62 are fixed on an output shaft of the roller driving motor 6, a first driven sprocket 31 is fixed on a transmission shaft of the glue spreading roller 3, a second driven sprocket 54 is fixed on an end shaft of the stirring roller 5, the first driving sprocket 61 is connected with the first driven sprocket 31 through a first chain (not shown) penetrating through the heat insulation plate 11, and the second driving sprocket 62 is connected with the second driven sprocket 54 through a second chain (not shown) penetrating through the heat insulation plate 11. In this way, the inner space is divided into an upper chamber and a lower chamber by the heat insulation plate 11 to respectively place the first heating device and the roller driving motor 6, so that on one hand, the heat loss of the first heating device is reduced, and the heating efficiency is improved; on the other hand, the influence of the heat of the first heating means on the roller driving motor 6 is avoided. A heat radiation window 12 is arranged on the frame 1 at the position corresponding to the air outlet of the roller driving motor 6 for discharging the heat generated by the roller driving motor 6. The scheme adopts the scheme that the glue spreading roller 3 and the stirring roller 5 share a set of roller driving motor 6, and in other embodiments, the glue spreading roller 3 and the stirring roller 5 can be separately provided with motors for driving respectively.

In this embodiment, the glue spreader 3 and its transmission shaft are provided with heating chambers for placing the third electric heating tube 32 to heat the glue spreader 3. Thus, the problem that the glue stock on the outer peripheral surface of the glue spreader 3 is solidified due to contact with the external cold air can be avoided.

In this embodiment, in order to improve uniformity of the adhesive layer, the hot-melt adhesive coating machine of the present utility model further includes a rolling mechanism 7 that is mounted on the frame 1 and is used for cooperating with the adhesive coating roller 3 to clamp the passing of the adhesive coating material. The rolling mechanism 7 comprises a bracket 71, a slide block 72, a press roller 73, a lifting rod 74 and an adjusting wheel 75, wherein the two brackets 71 are oppositely arranged on the frame 1 and are positioned at two ends of the glue spreader 3, each bracket 71 is vertically provided with a sliding groove, the slide block 72 is slidably arranged in the sliding groove, two ends of the press roller 73 are respectively rotatably arranged on the two slide blocks 72 and are positioned right above the glue spreader 3, the lifting rod 74 is in threaded connection with the top of the bracket 71 and is rotatably connected with the slide block 72, and the adjusting wheel 75 is fixed at the top end of the lifting rod 74. The lifting rod 74 is driven to rotate through the rotary adjusting wheel 75 to achieve lifting, the lifting rod 74 drives the two sliding blocks 72 to lift along with the gluing roller 3 along the sliding groove of the support 71, so that the distance between the gluing roller 3 and the pressing roller 73 is adjusted, gluing of gluing materials with different thicknesses is achieved, the gluing materials are matched and clamped through the gluing roller 3 and the pressing roller 73 to roll and convey, the gluing materials are enabled to be even in sizing material stress with the gluing roller 3, and uniformity of gluing on the surface of the gluing materials is improved.

In this embodiment, in order to reduce the pollution of the working environment caused by the exhaust gas generated after the glue stock is heated, the hot melt glue applicator of the present utility model further comprises an exhaust gas treatment device 8 mounted above the rolling mechanism 7. The exhaust gas treatment device 8 comprises an adsorption cover 81, a fan 82, a filter 83 and an exhaust pipe 84, wherein the adsorption cover 81 is fixed on the rolling mechanism 7 and covers the rolling mechanism 7, in particular to a bracket 71 of the rolling mechanism 7, the adsorption cover 81 adopts a U-shaped cover with a U-shaped cross section, the U-shaped cover has the function of collecting exhaust gas, the exhaust gas is reduced to be diffused into the working environment, a plurality of adsorption holes are formed in the inner surface of the U-shaped cover, the fan 82 is fixed on the top surface of the U-shaped cover, an air inlet of the fan 82 is communicated with the plurality of adsorption holes of the U-shaped cover, the filter 83 is arranged on an air outlet of the fan 82 for filtering smell in the exhaust gas, one end of the exhaust pipe 84 is connected to an exhaust end of the filter 83, and the other end of the exhaust pipe extends out of the room. The U-shaped cover comprises a top plate and arc-shaped plates connected to two sides of the top plate and arranged in a downward bending mode, and the fan 82 is fixed on the top plate. Thus, the fan 82 is conveniently fixed, and the arc plates at both sides can collect the rising exhaust gas and discharge the smell outdoors after filtering the smell through the filter 83 by the suction power of the fan 82.

It should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, a particular component geometry.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims (9)

1. The hot melt glue spreader is characterized by comprising a frame (1), a glue melting groove (2), a glue spreading roller (3) and a stirring roller (5), wherein the glue melting groove (2) is arranged on the frame (1) for accommodating glue materials, the glue spreading roller (3) is rotatably arranged on the frame (1), and the bottom of the glue spreading roller (3) is immersed in the glue materials in the glue melting groove (2) for adhering the glue materials; the stirring roller (5) is rotatably arranged on the frame (1) and positioned in the melt adhesive groove (2) so as to stir the sizing material in the melt adhesive groove (2);

the hot melt glue spreader further comprises a rolling mechanism (7) which is arranged on the frame (1) and used for being matched with the glue spreader (3) to clamp the glue spreading material to pass through, the rolling mechanism (7) comprises a support (71), a slide block (72), a press roller (73), a lifting rod (74) and an adjusting wheel (75), the two supports (71) are oppositely arranged on the frame (1) in a standing mode and are located at two ends of the glue spreader (3), sliding grooves are vertically formed in each support (71), the slide block (72) is arranged in the sliding grooves in a sliding mode, two ends of the press roller (73) are respectively rotatably arranged on the two slide blocks (72) and located right above the glue spreader (3), the lifting rod (74) is connected with the top of the support (71) in a rotating mode, and the adjusting wheel (75) is fixed to the top end of the lifting rod (74).

2. The hot-melt adhesive coating machine according to claim 1, wherein the stirring roller (5) comprises a roller (51), stirring blades (52) and an end shaft, the stirring blades (52) are uniformly arranged on the outer circumferential surface of the roller (51), the end shafts are fixedly connected to the two ends of the roller (51), and the end shafts are rotatably connected to the frame (1).

3. The hot-melt adhesive applicator according to claim 2, wherein the stirring roller (5) further comprises a second electric heating tube (53), and the roller (51) and its end shaft are hollow for being inserted into the second electric heating tube (53) to heat the roller (51) and the stirring blade (52).

4. A hot-melt adhesive applicator according to claim 1, characterized in that the inner surface of the melt adhesive tank (2) is provided with a release coating to avoid adhesive adhesion.

5. A hot-melt adhesive applicator as in claim 1, further comprising first heating means for heating the adhesive in the melt adhesive tank (2), the first heating means comprising a plurality of first electric heating tubes (21) disposed at the bottom of the melt adhesive tank (2).

6. The hot-melt adhesive coating machine according to claim 5, further comprising a roller driving motor (6) for driving the adhesive coating roller (3) and the stirring roller (5) to rotate, wherein the frame (1) is internally provided with a heat insulation plate (11), the heat insulation plate (11) divides the internal space of the frame (1) into an upper cavity and a lower cavity, the first heating device is positioned in the upper cavity, the roller driving motor (6) is fixed on the frame (1) and positioned in the lower cavity, a first driving sprocket (61) and a second driving sprocket (62) are fixed on an output shaft of the roller driving motor (6), a first driven sprocket (31) is fixed on a transmission shaft of the adhesive coating roller (3), a second driven sprocket (54) is fixed on an end shaft of the stirring roller (5), and the first driving sprocket (61) is connected with the first driven sprocket (31) through a first chain penetrating through the heat insulation plate (11), and the second driving sprocket (62) is connected with the second driven sprocket (54) through a second chain penetrating through the heat insulation plate (11).

7. The hot-melt adhesive applicator according to claim 1, wherein the adhesive applicator (3) and its drive shaft are each provided with a heating chamber for the insertion of a third electric heating tube (32) for heating the adhesive applicator (3).

8. The hot-melt adhesive coating machine according to claim 1, further comprising an exhaust gas treatment device (8) mounted above the rolling mechanism (7), wherein the exhaust gas treatment device (8) comprises an adsorption cover (81), a fan (82), a filter (83) and an exhaust pipe (84), the adsorption cover (81) is fixed on the rolling mechanism (7) and covers the rolling mechanism (7), the adsorption cover (81) adopts a U-shaped cover with a U-shaped cross section, a plurality of adsorption holes are formed in the inner surface of the U-shaped cover, the fan (82) is fixed on the top surface of the U-shaped cover, an air inlet of the fan (82) is communicated with the adsorption holes of the U-shaped cover, the filter (83) is mounted on an air outlet of the fan (82), one end of the exhaust pipe (84) is connected to an exhaust end of the filter (83), and the other end of the exhaust pipe extends out of the room.

9. The hot-melt adhesive applicator of claim 8, wherein the U-shaped housing comprises a top plate and arcuate plates attached to both sides of the top plate in a downwardly curved arrangement, and wherein the blower (82) is secured to the top plate.

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