Kneading machine for hot melt adhesive

Abstract

The utility model provides a kneading machine for hot melt adhesive, which relates to the field of hot melt adhesive processing equipment, and comprises a kneading machine box and two opposite kneading stirring paddles, the two kneading stirring paddles are respectively and rotatably arranged on the inner side wall of the kneading machine box, the kneading machine box is also provided with a driving mechanism for driving the two kneading stirring paddles to rotate oppositely, and the driving mechanism is arranged on the kneading machine box. The top of the kneading machine box is covered with a box cover, the top of the box cover is provided with a telescopic scraping plate, the outer side of the telescopic scraping plate is attached to the inner side wall of the kneading machine box, an elastic piece is contracted by pressing a connecting pressing plate, meanwhile, the connecting pressing plate drives the two scraping plates to move towards the inner side of the kneading machine box, and hot melt adhesive adhering to the inner side of the kneading machine box is scraped; the waste of raw materials is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot melt adhesive processing equipment field especially relates to a kind of kneader for hot melt adhesive. BACKGROUND

[0002] Hot melt adhesive is also called hot melt sealant, which is a kind of adhesive with good plasticity. Its physical properties can change with temperature within a certain temperature range, but its chemical properties will not change. It is a non-toxic and odorless environmentally friendly chemical product. Because the product itself is solid, it is very convenient to package, transport and store. Because it is solvent-free, non-polluting and non-toxic, and the production process is simple, it has high added value and strong adhesion. It is popular because of its advantages. Kneader is a kind of equipment specially designed for elastic plastic materials. A pair of blades are used to produce strong shear force to uniformly mix, stir, knead, crush, disperse and re-aggregate a series of elastic plastic materials with semi-dry state or rubber-like viscous plastic materials into various chemical products.

[0003] Because the existing hot melt adhesive kneader mostly uses Σ type stirring paddle for kneading operation, hot melt adhesive may be attached to the inner wall of the stirring barrel during stirring, which may cause incomplete kneading of hot melt adhesive and cause raw materials to be attached to the inner wall of the stirring barrel, resulting in waste of raw materials.

[0004] Therefore, it is necessary to provide a new kneader for hot melt adhesive to solve the above technical problems. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model provides a kind of kneader for hot melt adhesive.

[0006] The kneader for hot melt adhesive provided by the utility model comprises a kneader box and two opposite kneading stirrers, the two kneading stirrers are respectively rotatably installed on the inner side wall of the kneader box, the kneader box is further provided with a driving mechanism for driving the two kneading stirrers to rotate in opposite directions, the top of the kneader box is covered with a box cover, the top of the box cover is provided with an extension scraper, and the outer side of the extension scraper is in close contact with the inner side wall of the kneader box.

[0007] Further, the extension scraper comprises two opposite scrapers and a connecting plate, the two scrapers are respectively fixedly connected to the two ends of the connecting plate, the bottom of the connecting plate is provided with an elastic member, the bottom of the elastic member is fixedly installed on the top of the kneader box, and the bottom of the connecting plate penetrates through the box cover and extends into the inner side of the kneader box.

[0008] Further, the driving mechanism comprises two opposite transmission gears and a reduction motor, one end of each of the two transmission gears is fixedly installed on the kneading stirring paddle, and the reduction motor is fixedly installed on the outer wall of the kneader box, and the output end of the reduction motor is fixedly connected with one end of the kneading stirring paddle.

[0009] Further, the bottom of the kneader box is also provided with a discharge port, a material plate is slidably installed in the discharge port, and the bottom of the kneader box is also provided with a driving group for driving the material plate to slide transversely.

[0010] Further, the elastic member comprises a compression spring, and the two ends of the compression spring are fixedly connected with the top of the box cover and the bottom of the connecting pressing plate respectively.

[0011] Further, the driving group comprises a driving motor, a main gear and a rack, the driving motor is fixedly installed on the bottom wall of the kneader box, the output end of the driving motor is fixedly connected with the main gear, and the rack is fixedly installed on the bottom of the material plate and engaged with the gear.

[0012] Compared with the related art, the kneader for hot melt adhesive has the following beneficial effects:

[0013] The kneader for hot melt adhesive provided by the utility model has the advantages that when the connecting pressing plate is pressed, the elastic member is contracted, the two scrapers are driven by the connecting pressing plate to move to the inner side of the kneader box, and the hot melt adhesive adhered to the inner side of the kneader box is scraped off, so that the waste of raw materials is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a whole structure schematic diagram of the kneader for hot melt adhesive Figure 1 ;

[0015] Figure 2 The utility model provides a whole structure schematic diagram of the kneader for hot melt adhesive Figure 2 ;

[0016] Figure 3 It is the split structure schematic diagram of the kneader box and the box cover provided by the utility model;

[0017] Figure 4 It is the structure schematic diagram of the bottom of the kneader box provided by the utility model;

[0018] Figure 5 It is the structure schematic diagram of the material plate provided by the utility model.

[0019] The figure mark: 1, kneader box; 2, kneading paddle; 3, box cover; 4, scraper; 5, connecting pressing plate; 6, transmission gear; 7, speed reducer motor; 8, discharge port; 9, material plate; 10, compression spring; 11, drive motor; 12, main gear; 13, rack. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings and embodiments.

[0021] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , among them, Figure 1 It is the overall structure schematic of the kneader for hot melt adhesive provided by the utility model Figure 1 ; Figure 2 It is the overall structure schematic of the kneader for hot melt adhesive provided by the utility model Figure 2 ; Figure 3 It is the split structure schematic of the kneader box and box cover provided by the utility model; Figure 4 It is the structure schematic of the bottom of the kneader box provided by the utility model; Figure 5 It is the structure schematic of the material plate opening provided by the utility model.

[0022] Example one

[0023] In the specific implementation process, as Figures 1-5 Indicated, the kneader for hot melt adhesive includes two opposite kneading paddles 2 and a kneader box 1, the two kneading paddles 2 are rotatably installed on the inner side wall of the kneader box 1, the kneader box 1 is also provided with a drive mechanism for driving the two kneading paddles 2 to rotate in opposite directions, the top of the kneader box 1 is covered with a box cover 3, the top of the box cover 3 is provided with a telescopic scraper, and the outer side of the telescopic scraper is attached to the inner side wall of the kneader box 1;

[0024] It should be noted that the telescopic scraper includes two opposite scrapers 4 and a connecting pressing plate 5, the two scrapers 4 are fixedly connected with the two ends of the connecting pressing plate 5, the bottom of the connecting pressing plate 5 is provided with an elastic member, the bottom of the elastic member is fixedly installed on the top of the kneader box 1, and the bottom of the connecting pressing plate 5 penetrates through the box cover 3 and extends into the inner side of the kneader box 1, by pressing the connecting pressing plate 5, the elastic member is contracted, at the same time, the two scrapers 4 are driven by the connecting pressing plate 5 to move to the inner side of the kneader box 1, and the hot melt adhesive adhered to the inner side of the kneader box 1 is scraped off, avoiding the waste of raw materials;

[0025] Further, the elastic member includes a compression spring 10, the two ends of the compression spring 10 are fixedly connected with the top of the box cover 3 and the bottom of the connecting pressing plate 5 respectively, and the compression spring 10 can conveniently reset the connecting pressing plate 5.

[0026] In one embodiment, the driving mechanism includes two opposite transmission gears 6 and a reduction motor 7, the two transmission gears 6 are respectively fixedly installed at one end of the two kneading paddles 2, the reduction motor 7 is fixedly installed on the outer wall of the kneader box 1, the output end of the reduction motor 7 is fixedly connected with one end of one of the two kneading paddles 2, the reduction motor 7 is started to drive one of the two kneading paddles 2 to rotate, and the other kneading paddle 2 is reversely rotated under the action of the two transmission gears 6, so that the two kneading paddles 2 are reversely rotated.

[0027] Embodiment two

[0028] In one embodiment, in order to facilitate discharging after the hot melt adhesive is kneaded, a discharge port 8 is further formed in the bottom of the kneader box 1, a sliding groove for sliding of a feeding plate 9 is formed in the discharge port 8, the feeding plate 9 is slidably installed in the sliding groove of the discharge port 8, and a driving group for driving the feeding plate 9 to slide transversely is further arranged in the bottom of the kneader box 1.

[0029] Further, the driving group includes a driving motor 11, a main gear 12 and a rack 13, the driving motor 11 is fixedly installed on the bottom wall of the kneader box 1, the output end of the driving motor 11 is fixedly connected with the main gear 12, the rack 13 is fixedly installed on the bottom of the feeding plate 9, the rack 13 is engaged with the gear, the driving motor 11 is started to drive the main gear 12 to rotate, and then the rack 13 is driven to move transversely, the rack 13 drives the feeding plate 9 to move along the axial direction of the discharge port 8 while moving, the opening and closing of the discharge port 8 is realized, and the hot melt adhesive kneaded by the two kneading paddles 2 is pushed to the discharge port 8.

[0030] The working principle of the utility model is as follows: one of the two kneading paddles 2 is rotated by starting the reduction motor 7, the other kneading paddle 2 is reversely rotated under the action of the two transmission gears 6, so that the two kneading paddles 2 are reversely rotated and the hot melt adhesive raw materials are kneaded and stirred, the elastic member is contracted by pressing the connecting pressing plate 5, the two scrapers 4 are driven to move to the inner side of the kneader box 1 by the connecting pressing plate 5, and the hot melt adhesive adhered to the inner side of the kneader box 1 is scraped off, so that the waste of raw materials is avoided, the driving motor 11 is started to drive the main gear 12 to rotate, and then the rack 13 is driven to move transversely, the rack 13 drives the feeding plate 9 to move along the axial direction of the discharge port 8 while moving, the opening and closing of the discharge port 8 is realized, and the hot melt adhesive kneaded by the two kneading paddles 2 is pushed to the discharge port 8 for discharging.

[0031] The circuit and control involved in the utility model are prior art, and will not be described in detail here.

[0032] The basic principle and main features of the present application and the advantages of the present application are shown and described above, for those skilled in the art, obviously the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application, any reference signs in the claims should not be considered as limiting the claims involved.

[0033] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A kneader for hot melt adhesives, characterized by, The utility model provides a kneader, including kneader box (1) and two opposite kneading paddle (2), two the kneading paddle (2) are respectively installed on the inside wall of the kneader box (1) rotation, the kneader box (1) still is equipped with the drive mechanism for driving two the kneading paddle (2) opposite rotation, the top of the kneader box (1) is covered with box cover (3), the top of the box cover (3) is equipped with telescopic scraper, and the outside of telescopic scraper is in contact with the inside wall of the kneader box (1).

2. The kneader for hot melt adhesive according to claim 1, wherein The telescopic scraper includes two opposite scraper (4) and connecting pressing plate (5), two the scraper (4) are fixedly connected with both ends of the connecting pressing plate (5) respectively, the bottom of the connecting pressing plate (5) is equipped with elastic piece, the bottom of the elastic piece is fixedly installed on the top of the kneader box (1), and the bottom of the connecting pressing plate (5) penetrates the box cover (3) and extends to the inside of the kneader box (1).

3. The kneader for hot melt adhesive according to claim 1, wherein The drive mechanism includes two opposite transmission gear (6) and reduction motor (7), two the transmission gear (6) are fixedly installed on one end of two the kneading paddle (2) respectively, the reduction motor (7) is fixedly installed on the outside wall of the kneader box (1), and the output end of the reduction motor (7) is fixedly connected with one end of the kneading paddle (2).

4. The kneader for hot melt adhesive according to claim 1, wherein The bottom of the kneader box (1) is also provided with discharge gate (8), and the discharge gate (8) is slidably installed with material plate (9), and the bottom of the kneader box (1) is also provided with drive group for driving the material plate (9) to slide transversely.

5. The kneader for hot melt adhesive according to claim 2, wherein The elastic piece includes compression spring (10), and both ends of the compression spring (10) are fixedly connected with the top of the box cover (3) and the bottom of the connecting pressing plate (5) respectively.

6. The kneader for hot melt adhesive according to claim 4, wherein The drive group includes drive motor (11), main gear (12) and rack (13), the drive motor (11) is fixedly installed on the bottom wall of the kneader box (1), the output end of the drive motor (11) is fixedly connected with the main gear (12), the rack (13) is fixedly installed on the bottom of the material plate (9), and the rack (13) is engaged with the gear.

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