CN210207433U

CN210207433U - Hot melt adhesive die head adjustment mechanism

Info

Publication number: CN210207433U
Application number: CN201921084899.4U
Authority: CN
Inventors: Chunjie Fang; 方纯洁; Junhao Fang; 方君豪
Original assignee: RUIAN CITY XUTENG MACHINERY Co Ltd
Current assignee: RUIAN CITY XUTENG MACHINERY Co Ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-03-31
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a hot melt adhesive die head adjusting mechanism, wherein a gluing hanging plate component for driving a gluing die head to be close to a coating roller wheel is arranged at two ends of the gluing die head, and a die head front-back adjusting component for driving the gluing die head to move horizontally is arranged at the lower end of the gluing die head; the spray head hanging plate is rotatably arranged on the inner side of the wall plate through a supporting shaft, the adjusting plate is fixedly connected with the connecting plate, a hanging plate locking screw rod penetrates through the adjusting plate, a hanging plate locking hand wheel is screwed outside the hanging plate locking screw rod, and the hanging plate locking screw rod is connected with the spray head hanging plate; two ends of the gluing die head are both arranged on the guide plate through connecting sleeves, a front and a rear adjusting screw rods are arranged corresponding to the guide plate, a front and a rear locking screw rods are sleeved in the front and the rear adjusting screw rods, and one end of the front and the rear locking screw rods is fixedly connected with the guide plate; the lower guide plate is installed on the supporting plate, the adjusting seat is fixedly connected with the supporting plate, the supporting plate is fixedly installed on the spray head supporting plate, two ends of the spray head supporting plate are installed at the lower end of the connecting plate, and the connecting plate is hinged to the spray head hanging plate through the adjusting hanging plate pin.

Description

Hot melt adhesive die head adjustment mechanism

Technical Field

The utility model relates to a hot melt adhesive rubber coating technical field specifically is a hot melt adhesive die head adjustment mechanism.

Background

The Hot melt adhesive (English name: Hot Glue) is a plastic adhesive, the physical state of which changes with the temperature within a certain temperature range, but the chemical property is not changed, and the Hot melt adhesive is nontoxic and tasteless, and belongs to an environment-friendly chemical product. The product is solid, so the product is convenient to package, transport and store, and has no solvent, pollution and toxicity; and the production process is simple, the added value is high, the bonding strength is high, the speed is high, and the like. The basic resin of the hot melt adhesive is formed by copolymerizing ethylene and vinyl acetate at high temperature and high pressure, namely EVA resin. The resin is a main component for preparing the hot melt adhesive, the basic performance of the hot melt adhesive is determined by the proportion and the quality of the basic resin (such as the adhesive bonding capacity, the melting temperature and the adhesive strength of the adhesive), the VA content is generally 18-33, the Melt Index (MI) is 6-800, the VA content is low, the higher the crystallinity is, the higher the hardness is, the VA content is higher under the same condition, the crystallinity is low, the elasticity is increased, the selection of the EVA melt index is also important, the smaller the melt index is, the lower the fluidity is, the higher the strength is, the higher the melting temperature is, and the wetting and the permeability of. Conversely, too large means that the adhesive has a low melting temperature, good flowability and reduced adhesive strength. The auxiliary agent is selected according to the appropriate ratio of ethylene to vinyl acetate.

After the hot melt adhesive is melted, the hot melt adhesive die head is required to be used for glue homogenizing, and the hot melt adhesive die head in the prior art is usually fixed, so that the glue surface of the glue is difficult to level and uniform, and the glue coating quality is poor; the gluing waste is more, so that the production cost is increased, and the enterprise benefit is influenced; the adaptability to the variety and performance of glue is poor, the adaptability to the coated material is poor, and the application range is small.

Disclosure of Invention

An object of the utility model is to provide a hot melt adhesive die head adjustment mechanism can realize the adjustment to the rubber coating die head for coating running roller angle and horizontal distance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a hot melt adhesive die head adjusting mechanism comprises a wall plate, a coating roller and a coating die head, wherein the coating roller is fixedly arranged on the wall plate through a support, coating hanging plate assemblies for driving the coating die head to be close to the coating roller are arranged at two ends of the coating die head, and a die head front-back adjusting assembly for driving the coating die head to horizontally move is arranged at the lower end of the coating die head;

the gluing hanging plate assembly comprises a spray head hanging plate, an adjusting plate and an air cylinder, the lower end of the spray head hanging plate is connected with a piston rod of the air cylinder through a pin shaft, the spray head hanging plate is rotatably mounted on the inner side of the wall plate through a supporting shaft, the adjusting plate is fixedly connected with a connecting plate, a first adjusting bolt is screwed on the adjusting plate, the front end of the first adjusting bolt is in contact fit with the spray head hanging plate, and a first adjusting hand wheel is arranged at the outer end of the first adjusting bolt; a hanging plate locking screw rod penetrates through the adjusting plate, a hanging plate locking hand wheel is screwed outside the hanging plate locking screw rod, and the hanging plate locking screw rod is connected with the spray head hanging plate;

the die head front-back adjusting assembly comprises guide plates, an upper guide plate, a lower guide plate, front-back adjusting screw rods and an adjusting seat, two ends of the gluing die head are arranged on the guide plates through connecting sleeves, each guide plate is arranged between the corresponding upper guide plate and the corresponding lower guide plate in a sliding mode, the front-back adjusting screw rods are arranged corresponding to the guide plates, the front-back adjusting screw rods are of hollow structures inside, threads screwed with the adjusting seat are arranged on the outer portions of the front-back adjusting screw rods, one ends of the front-back adjusting screw rods are in contact with the guide plates, front-back locking screw rods are sleeved in the front-back adjusting screw rods, one ends of the front-back locking screw rods are fixedly connected with the guide plates, locking hand wheels are; the lower guide plate is installed on the supporting plate, the adjusting seat is fixedly connected with the supporting plate, the supporting plate is fixedly installed on the spray head supporting plate, two ends of the spray head supporting plate are installed at the lower end of the connecting plate, and the connecting plate is hinged to the spray head hanging plate through the adjusting hanging plate pin.

Furthermore, the inner side of the lower part of the wallboard is fixedly provided with a limiting seat, the limiting seat is provided with a second adjusting bolt corresponding to the spray head hanging plate, and the outer end part of the second adjusting bolt is provided with a second adjusting hand wheel.

The utility model discloses a theory of operation and working process do: when the coating operation is finished or the base material needs to be replaced, the air cylinder pushes the coating die head away from the coating roller, specifically, when a piston rod of the air cylinder extends out or retreats, the control spray head hanging plate can rotate around the supporting shaft, and a glue outlet of the coating die head is controlled to be far away from or close to the coating roller; in order to make the play jiao kou have the optimal angle of glue of going out for the coating running roller, install the lower extreme in the connecting plate with shower nozzle layer board both ends, the connecting plate passes through the hinge joint of regulation link plate round pin on the shower nozzle link plate, drive first adjusting bolt through the first adjusting hand wheel of rotating, make whole mechanism round link plate round pin rotation, and then carry out fine setting control to the angle of going out jiao kou, when the adjustment to ideal position, compress tightly the regulating plate through link plate locking screw and link plate locking hand wheel cooperation, and then realize going out the fixed of jiao kou angle. The horizontal position of the adjusting guide plate is cooperatively controlled through the front and rear adjusting screw rods, the front and rear locking screw rods and the locking hand wheel, the distance between the glue outlet and the coating roller is finely adjusted, and after the position is adjusted, the locking hand wheel is screwed at the adjacent end of the front and rear adjusting screw rods, so that the fine adjustment and the fixation of the horizontal position of the glue outlet are completed.

The utility model provides a hot melt adhesive die head adjusting mechanism, which utilizes a gluing hanging plate component to adjust the angle adjustment of a glue outlet of a die head, thereby ensuring that glue is smoothly coated on a substrate during coating; the front and rear adjusting screw rods, the front and rear locking screw rods and the locking hand wheel of the die head front and rear adjusting assembly are used for cooperatively fine adjusting the front and rear horizontal positions of the die head, so that the distance and the horizontal precision of a glue outlet of the die head relative to a coating roller are ensured, and the thickness of the whole breadth after coating is uniform; through installing spacing seat in wallboard lower part, when the piston rod of cylinder stretches out and reaches extreme position, the shower nozzle link plate will contact with second adjusting bolt's front end, prevent out the unexpected and coating running roller contact of jiao kou, improved the reliability and the security of equipment operation.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic structural view of the gluing hanging plate assembly.

FIG. 4 is a front view of a die back and forth adjustment assembly.

FIG. 5 is a side view of a die back and forth adjustment assembly.

In the figure: 100. a wallboard; 200. a coating roller; 300. a gluing die head; 400. a gluing hanging plate component; 500. a die head front and rear adjusting assembly; 110. a limiting seat; 120. a second adjusting bolt; 130. a second adjusting hand wheel; 410. a glue outlet; 420. a shower nozzle hanging plate; 421. a support shaft; 430. an adjusting plate; 431. a first adjusting bolt; 432. a first adjusting hand wheel; 433. a screw rod is locked by the hanging plate; 434. the hand wheel is locked by the hanging plate; 440. a cylinder; 441. a pin shaft; 442. a piston rod; 510. a guide plate; 511. connecting sleeves; 520. an upper guide plate; 530. a lower guide plate; 531. a support plate; 540. a screw rod is adjusted forwards and backwards; 550. an adjusting seat; 560. locking the screw rod front and back; 570. locking a hand wheel; 580. a nozzle support plate; 581. a connecting plate; 590. the hanger pin is adjusted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a hot melt adhesive die head adjusting mechanism, which comprises a wall plate 100, a coating roller 200 and a coating die head 300, wherein the coating roller 200 is fixedly mounted on the wall plate 100 through a bracket, two ends of the coating die head 300 are provided with a coating hanging plate assembly 400 for driving the coating die head 300 to be close to the coating roller 200, and the lower end of the coating die head 300 is provided with a die head front-back adjusting assembly 500 for driving the coating die head 300 to move horizontally;

the gluing hanging plate assembly 400 comprises a spray head hanging plate 420, an adjusting plate 430 and an air cylinder 440, the lower end of the spray head hanging plate 420 is connected with a piston rod 442 of the air cylinder 440 through a pin shaft 441, the spray head hanging plate 420 is rotatably mounted on the inner side of the wall plate 100 through a supporting shaft 421, the adjusting plate 430 is fixedly connected with a connecting plate 581, a first adjusting bolt 431 is rotatably arranged on the adjusting plate 430, the front end of the first adjusting bolt 431 is in contact fit with the spray head hanging plate 420, and a first adjusting hand wheel 432 is arranged at the outer end of the first adjusting; a hanging plate locking screw 433 penetrates through the adjusting plate 430, a hanging plate locking hand wheel 434 is screwed outside the hanging plate locking screw 433, and the hanging plate locking screw 433 is connected with the spray head hanging plate 420;

the die head front-back adjusting assembly 500 comprises guide plates 510, upper guide plates 520, lower guide plates 530, front-back adjusting screws 540 and adjusting seats 550, two ends of the gluing die head 300 are mounted on the guide plates 510 through connecting sleeves 511, each guide plate 510 is slidably mounted between the corresponding upper guide plate 520 and lower guide plate 530, the front-back adjusting screws 560 are arranged corresponding to the guide plates 520, the front-back adjusting screws 560 are hollow inside, threads screwed with the adjusting seats 550 are arranged outside, one ends of the front-back adjusting screws 540 are in contact with the guide plates 510, front-back locking screws 560 are sleeved in the front-back adjusting screws 540, one ends of the front-back locking screws 560 are fixedly connected with the guide plates 510, locking hand wheels 570 are arranged at the outer ends of the front-back locking screws 560, and the locking hand wheels 570; the lower guide plate 530 is installed on the supporting plate 531, the adjusting seat 550 is fixedly connected with the supporting plate 531, the supporting plate 531 is fixedly installed on the nozzle supporting plate 580, two ends of the nozzle supporting plate 580 are installed at the lower end of the connecting plate 581, and the connecting plate 581 is hinged on the nozzle hanging plate 420 through an adjusting hanging plate pin 590.

Preferably, the inner side of the lower portion of the wall plate 100 is fixedly provided with a limiting seat 110, the limiting seat 110 is provided with a second adjusting bolt 120 corresponding to the nozzle hanging plate 420, and the outer end of the second adjusting bolt 120 is provided with a second adjusting hand wheel 130.

The utility model discloses a theory of operation and working process do: when the coating operation is performed, the air cylinder 440 pushes the coating die head 300 close to the coating roller 200, when the coating operation is finished or the base material needs to be replaced, the air cylinder 440 pushes the coating die head 300 away from the coating roller 200, specifically, when the piston rod 442 of the air cylinder 440 extends or retracts, the control nozzle hanging plate 420 can rotate around the supporting shaft 421, and the glue outlet 410 of the coating die head 300 is controlled to be far away from or close to the coating roller 200; in order to enable the glue outlet 410 to have an optimal glue outlet angle relative to the coating roller 200, two ends of the nozzle supporting plate 580 are mounted at the lower end of the connecting plate 581, the connecting plate 581 is hinged to the nozzle hanging plate 420 through the adjusting hanging plate pin 590, the first adjusting hand wheel 432 is rotated to drive the first adjusting bolt 431, the whole mechanism rotates around the adjusting hanging plate pin 590, then fine adjustment control is carried out on the angle of the glue outlet 410, when the glue outlet is adjusted to an ideal position, the adjusting plate 430 is tightly pressed through the matching of the hanging plate locking screw 433 and the hanging plate locking hand wheel 434, and then the angle of the glue outlet 410 is fixed. The distance between the glue outlet 410 and the coating roller 200 is finely adjusted by cooperatively controlling the horizontal position of the adjusting guide plate 510 through the front and rear adjusting screw 540, the front and rear locking screw 560 and the locking hand wheel 570, and after the position is adjusted, the locking hand wheel 570 is screwed at the adjacent end of the front and rear adjusting screw 540, so that the fine adjustment and fixation of the horizontal position of the glue outlet 410 are completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hot melt adhesive die head adjusting mechanism comprises a wall plate, a coating roller and a coating die head, and is characterized in that the coating roller is fixedly arranged on the wall plate through a bracket, coating hanging plate assemblies for driving the coating die head to be close to the coating roller are arranged at two ends of the coating die head, and a die head front-back adjusting assembly for driving the coating die head to horizontally move is arranged at the lower end of the coating die head;

2. The hot melt adhesive die head adjusting mechanism according to claim 1, wherein a limiting seat is fixedly mounted on the inner side of the lower portion of the wall plate, a second adjusting bolt corresponding to the nozzle hanging plate is arranged on the limiting seat, and a second adjusting hand wheel is arranged at the outer end portion of the second adjusting bolt.