CN112413408B

CN112413408B - Adhesive feeding device and using method thereof

Info

Publication number: CN112413408B
Application number: CN202110087745.6A
Authority: CN
Inventors: 赵会岩; 张志胜; 赵海林; 张玉红
Original assignee: Shandong Wanshengbo Chemical Co ltd
Current assignee: Shandong Wanshengbo Chemical Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-03-30
Anticipated expiration: 2041-01-22
Also published as: CN112413408A

Abstract

The invention relates to the technical field of adhesive equipment, in particular to an adhesive feeding device and a using method thereof, wherein the adhesive feeding device comprises a pressurizing box and a charging basket placed in the pressurizing box, the charging basket is made of a flexible plastic material which deforms under pressure, the pressurizing box is externally connected with an air pressurizing device, a liquid suction pipe is arranged in the charging basket, and the liquid suction pipe is inserted into a liquid feeding pipe through a sealing and installing piece; the sealing and attaching piece comprises a first sealing and attaching unit and a second sealing and attaching unit, one end of the first sealing and attaching unit is detachably connected with the barrel opening of the charging barrel, and the other end of the first sealing and attaching unit is inserted into the second sealing and attaching unit; the first seal attachment unit fixes the pipette, and the second seal attachment unit fixes the liquid sending pipe. The adhesive feeding device provided by the invention has the advantages of good sealing effect, good process stability and convenience in operation, and the gluing quality is improved.

Description

Adhesive feeding device and using method thereof

Technical Field

The invention relates to the technical field of adhesive equipment, in particular to an adhesive feeding device and a using method thereof.

Background

Moisture-curable or oxygen-curable adhesives are very easily cured after contact with air, and therefore a feeding device for feeding such adhesives should have good sealability, or air may be mixed into the adhesive to partially cure the adhesive, affecting product quality. In addition, if air is mixed into the adhesive, a large number of air bubbles are formed in the adhesive, and a large number of air bubbles are included in the applied adhesive layer, thereby affecting the bonding effect.

During the application bonding process by applying adhesive through a nozzle under pressure, it is often necessary to connect two fluid lines to form a complete adhesive delivery flow path. Under the pressure environment, the junction of two fluid pipes is more easily become flexible, and the air gets into in the fluid pipe from not hard up department, can cause serious influence to the quality and the construction stability of adhesive.

Disclosure of Invention

In order to solve the technical problems, the invention provides an adhesive feeding device, which comprises a pressurizing box and a charging basket placed in the pressurizing box, wherein the charging basket is made of a flexible plastic material which is deformed under pressure, the pressurizing box is externally connected with an air pressurizing device, a liquid suction pipe is arranged in the charging basket, and the liquid suction pipe is inserted into a liquid feeding pipe through a sealing mounting part; the sealing and attaching piece comprises a first sealing and attaching unit and a second sealing and attaching unit, one end of the first sealing and attaching unit is detachably connected with the barrel opening of the charging barrel, and the other end of the first sealing and attaching unit is inserted into the second sealing and attaching unit; the first seal attachment unit fixes the pipette, and the second seal attachment unit fixes the liquid sending pipe.

When the adhesive is applied, the air pressurizing device pressurizes the pressurizing box, the charging basket deforms under the action of pressure, the adhesive flows into the liquid sending pipe from the liquid suction pipe and is finally sprayed out from the outlet end of the liquid sending pipe for applying the adhesive, a nozzle or other workpieces suitable for applying the adhesive can be connected to the outlet end, and the liquid suction pipe and the liquid sending pipe are connected in a sealing mode through the sealing connection plug-in piece, so that the air tightness of the joint of the liquid suction pipe and the liquid sending pipe is guaranteed, and air is prevented from entering the adhesive.

Preferably, the first seal attachment unit comprises a first connection part for fixing the pipette, the first connection part comprises a first connection ring and a first threaded connection part protruding from the upper end surface of the first connection ring, the bottom end of a third cylinder with two open ends is in threaded connection with the first threaded connection part, and two fifth through holes are symmetrically formed in the side wall close to the top end; a first cylinder in threaded connection with the barrel opening is arranged on the lower end face of the first connecting ring;

the second sealing and assembling unit comprises a second connecting part for fixing the liquid sending pipe, the second connecting part comprises a second connecting ring and a second threaded connecting part protruding out of the upper end face of the second connecting ring, the bottom end of an eighth cylinder with an opening at the bottom end is in threaded connection with the second threaded connecting part, and a seventh through hole for the liquid sending pipe to pass through is formed in the center of the top end; the lower end face of the second connecting ring is provided with a sixth cylinder inserted into the third cylinder, the outer side wall of the sixth cylinder is symmetrically provided with two grooves, telescopic rods are fixedly arranged in the grooves, a first spring is sleeved outside each telescopic rod, and the two telescopic rods can be correspondingly inserted into the two fifth through holes of the third cylinder.

Preferably, the lower end surface of the sixth cylinder is fixedly connected with one end of a second spring, the other end of the second spring is fixedly connected with a cleaning cylinder, the inner side wall of the cleaning cylinder is in sliding contact with the liquid sending pipe, and the lower end surface of the cleaning cylinder and the lower end surface of the liquid sending pipe are located on the same horizontal plane in a natural extension state of the second spring.

Preferably, a first anti-skid mechanism is fixedly arranged on the upper end face of the first threaded connecting part; the first anti-skid mechanism is sleeved on the outer side wall of the liquid suction pipe, and the upper end surface of the third cylinder is higher than that of the first anti-skid mechanism;

a second anti-skid mechanism is fixedly arranged on the upper end face of the second threaded connecting part; the second anti-skid mechanism is sleeved on the outer side wall of the liquid sending pipe.

Preferably, the first anti-skid mechanism comprises a fourth cylinder, a fifth cylinder and an annular first main airbag arranged between the fourth cylinder and the fifth cylinder, the outer side wall of the fourth cylinder is abutted against the inner side wall of the third cylinder, the side wall of the fifth cylinder is provided with a plurality of sixth through holes, a plurality of first air bag bulges are arranged at one end of the first main air bag, which is close to the fifth cylinder, and the first air bag bulges are communicated with the first main air bag, the position of the first air bag bulge corresponds to the position of the sixth through hole, when the first air bag bulge is inflated, the top of the first main air bag extends out of the sixth through hole and is tightly attached to the liquid suction pipe, the first main air bag is connected with the first vent pipe, the first vent pipe penetrates through the fourth cylinder and the third cylinder in a sealing manner and is connected with a third vent pipe through a first quick connector, and the third vent pipe is connected with an air pump;

the second anti-skid mechanism comprises a ninth cylinder, a tenth cylinder and an annular second main air bag arranged between the ninth cylinder and the tenth cylinder, the outer side wall of the ninth cylinder is abutted against the inner side wall of the eighth cylinder, the side wall of the tenth cylinder is provided with a plurality of eighth through holes, a plurality of second air bag bulges are arranged at one end of the second main air bag, which is close to the tenth cylinder, the second air bag bulges are communicated with the second main air bag, the position of the second airbag bulge corresponds to the position of the eighth through hole, when the second airbag bulge is inflated, the top of the second main airbag extends out of the eighth through hole and is tightly attached to the liquid sending pipe, the second main airbag is communicated with the second vent pipe, the second vent pipe penetrates through the ninth cylinder and the eighth cylinder in a sealing mode and is connected with a fourth vent pipe through a second quick connector, and the fourth vent pipe is connected with an air pump.

Preferably, the charging bucket comprises a bucket body and a bucket opening arranged above the bucket body, the bucket opening is provided with a first external thread, and a shoulder is arranged at the joint of the bucket opening and the bucket body; the pipette is inserted into the barrel body from the barrel opening, the pipette is a flexible pipe capable of expanding in the radial direction, the inner diameter of the pipette is slightly smaller than the outer diameter of the liquid sending pipe, and the liquid sending pipe can be partially inserted into the pipette and expands the inner diameter of the inserted part of the pipe section of the pipette; the pipe wall of the liquid suction pipe is provided with a liquid suction hole; the first cylinder is provided with a first internal thread corresponding to the first external thread of the bung hole, the lower end face of the first cylinder is provided with an annular flange, and the lower end face of the annular flange is in sealing fit with the upper end face of the shoulder of the bung hole.

Preferably, the pressurizing box is a rectangular box body and comprises a box top, a box bottom, a front side wall, a rear side wall, a left side wall and the box door opposite to the left side wall;

the lower end surface of the box door is hinged with the box bottom and can rotate clockwise along the hinged part to open the box door, and the outer end surface of the box door is provided with a handle;

locking pieces are fixedly arranged on the front side wall and the rear side wall respectively, and the locking pieces lock the box door, so that a sealed accommodating space is formed inside the pressurizing box;

the box top is provided with a first through hole, a second through hole, a third through hole and a fourth through hole in a penetrating mode, the first through hole penetrates through the liquid sending pipe in an inner sealing mode, the second through hole penetrates through the third through pipe in an inner sealing mode, the third through hole penetrates through the fourth through pipe in an inner sealing mode, and the fourth through hole is connected with the air supercharging device.

Preferably, the locking member includes a first fixing seat fixed on the outer end face of the front side wall or the rear side wall, a second fixing seat and a third fixing seat are sequentially fixed on the first fixing seat, the second fixing seat is arranged at one end far away from the box door, an air cylinder is fixedly arranged on the second fixing seat and connected with a PLC controller, a piston rod of the sliding rod is parallel to the first fixed seat and is connected with a sliding rod, the sliding rod penetrates through the third fixed seat in a sliding manner, the first fixed seat and one end of the sliding rod, which is close to the box door, are provided with L-shaped locking blocks, the locking blocks are provided with a first hinge part and a second hinge part at intervals facing the first fixed seat and one end of the sliding rod, the first hinge part is hinged with the first fixed seat, the second hinge part is hinged with the sliding rod, and in a locking state, the right-angle position of the locking block is used for clamping the box door and the front side wall or the rear side wall respectively.

Preferably, a first sliding rail is fixedly arranged on the upper end surface of the box bottom, a sliding plate is connected to the first sliding rail in a sliding mode, a pull ring is arranged at one end, close to the box door, of the upper end surface of the sliding plate, and the charging bucket is placed on the sliding plate;

the inner end face of the box door is provided with a second sliding rail, after the box door is opened to a horizontal position, the height of the inner end face of the box door is consistent with that of the upper end face of the box bottom, the height of the second sliding rail is consistent with that of the first sliding rail, and the sliding plate can slide between the first sliding rail and the second sliding rail in a reciprocating mode.

The use method of the adhesive feeding device comprises the following steps:

a step S100 of inserting the upper end of the pipette into the first seal-attaching unit and the lower end of the liquid sending tube into the second seal-attaching unit;

s200, opening the box door to enable the box door to be in a horizontal state, and pulling out the sliding plate from the box bottom to a second sliding rail of the box door;

step S300, inserting the pipette into the charging basket from the basket opening, connecting the first seal attachment unit with the basket opening through threads, and enabling the lower end face of the annular flange to tightly abut against the upper end face of the shoulder;

step S400, placing the charging basket on a sliding plate, and pushing the sliding plate back into the pressurizing box;

step S500, inserting the second seal attachment unit into the first seal attachment unit to insert the liquid sending pipe into the upper end of the liquid sending pipe;

s600, communicating a first vent pipe with a third vent pipe through a first quick connector; connecting a second vent pipe with a fourth vent pipe through a second quick connector; inflating the first main air bag and the second main air bag through an air pump to enable the first air bag bulge and the second air bag bulge to be tightly attached to the outer side walls of the liquid suction pipe and the liquid feeding pipe respectively;

step S700, closing the box door, and sealing and locking the box door through a locking piece, wherein the method comprises the following specific steps:

step S710, the PLC controls a piston rod of the air cylinder to extend;

s720, the sliding rod slides towards the direction of the box door under the pushing of the piston rod;

step S730, the sliding rod pushes the locking block to be tightly clamped with the box door;

and step S800, pressurizing the inside of the pressurizing box through an air pressurizing device, extruding and deforming the charging basket, enabling the adhesive in the charging basket to enter a feeding flow path formed by the liquid suction tube and the liquid sending tube through the liquid suction tube, and finally discharging the adhesive from the discharging end of the liquid sending tube for use.

Compared with the prior art, the invention has the following beneficial technical effects:

1. the first sealing assembly unit and the second sealing assembly unit are used for sealing and connecting the liquid suction pipe and the liquid sending pipe, so that the air tightness of the joint of the liquid suction pipe and the liquid sending pipe is ensured, air is prevented from entering the adhesive from the joint, sealing feeding is realized, and the process stability and the adhesive coating quality of the adhesive are improved;

2. the first anti-slip mechanism and the second anti-slip mechanism arranged on the first sealing and connecting unit and the second sealing and connecting unit can improve the friction force between the liquid suction pipe and the liquid sending pipe and between the first sealing and connecting unit and the second sealing and connecting unit, realize firm connection and further improve the process stability;

3. the box door of the pressurizing box is arranged at the position of the side wall, and the sliding track which is connected with the box bottom is arranged in the box door, so that the charging basket can be more conveniently replaced, and time and labor are saved;

4. the locking of the locking piece to the box door is realized through the air cylinder controlled by the PLC, the operation is convenient, the locking effect is good, and the sealing performance of the pressurizing box is further improved;

in conclusion, the adhesive feeding device provided by the invention has the advantages of good sealing effect, good process stability, convenience in operation and capability of improving the gluing quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the pressurized tank of FIG. 1;

FIG. 3 is a top view of the pressurized tank of FIG. 2;

FIG. 4 is a schematic structural view of the bucket of FIG. 1;

FIG. 5 is an enlarged view of a portion of FIG. 1;

FIG. 6 is a schematic structural view of the first seal-attaching unit in FIG. 5;

fig. 7 is a structural schematic view of the second seal-attaching unit in fig. 5.

Description of reference numerals:

1. a pressurizing box 2, a charging bucket 3, a liquid suction pipe 4, a liquid sending pipe 5, a first sealing and assembling unit 6, a second sealing and assembling unit 7, an air pressurizing device 8 and an air pump,

11. a box door 12, a rear side wall 13, a left side wall 14, a front side wall 15, a box top 16, a box bottom 17, a locking piece 18 and a sliding plate,

111. a handle, 112, a second sliding track,

151. first through hole 152, second through hole 153, third through hole 154, fourth through hole,

161. a first sliding track and a second sliding track which are arranged on the first sliding track,

171. first fixed seat 172, second fixed seat 173, third fixed seat 174, cylinder 175, sliding rod 176, locking block 1761, first hinge 1762, second hinge,

181. a pull ring is arranged on the top of the steel wire,

21. a barrel body 22, a barrel opening 221, a first external thread 222, a shoulder part,

31. a liquid sucking hole is arranged on the upper surface of the liquid sucking hole,

51. a first connecting part 52, a first cylinder 53, a first anti-skid mechanism 54, a third cylinder 55, a first vent pipe 56, a first quick joint 57, a third vent pipe,

511. a first connection ring, 512, a first threaded connection, 5121, a second external thread,

521. the first internal thread, 522, the annular flange,

531. a fourth cylinder, 532, a fifth cylinder, 533, a first main airbag,

5321. a sixth through hole 5331, a first air pocket protrusion,

541. a second internal thread, 542, a fifth through hole,

61. a second connecting part 62, a sixth cylinder 63, a second anti-skid mechanism 64, an eighth cylinder 65, a second vent pipe 66, a second quick joint 67, a fourth vent pipe 68 and a cleaning cylinder,

611. a second connecting ring, 612, a second threaded connection, 6121, a third external thread,

621. a groove, 622, a telescopic rod, 623, a first spring, 624, a second spring,

631. a ninth cylinder 632, a tenth cylinder 633, a second main airbag,

6321. an eighth through hole, 6331, a second bladder projection,

641. a third internal thread 642, a seventh through hole.

Detailed Description

The following description of the embodiments of the present invention refers to the accompanying drawings and examples:

it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and all modifications of the structures, changes in the proportions and adjustments of the sizes and other dimensions which are within the scope of the disclosure should be understood and encompassed by the present disclosure without affecting the efficacy and attainment of the same.

In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The invention provides an adhesive feeding device, which comprises a pressure box 1 and a charging basket 2 placed in the pressure box 1, wherein the charging basket 2 is made of a flexible plastic material which is deformed under pressure, the pressure box 1 is externally connected with an air pressurizing device 7, a liquid suction pipe 3 is arranged in the charging basket 2, and the liquid suction pipe 3 is inserted into a liquid feeding pipe 4 through a sealing attachment piece; the seal attachment member includes a first seal attachment unit 5 and a second seal attachment unit 6, the first seal attachment unit 5 having one end detachably connected to the bung 22 of the bowl 2 and the other end inserted into the second seal attachment unit 6; the first seal-attaching unit 5 internally fixes the pipette 3, and the second seal-attaching unit 6 internally fixes the liquid sending pipe 4.

When the adhesive is applied, the air pressurizing device 7 pressurizes the pressurizing box 1, the charging basket 2 deforms under the action of pressure, the adhesive flows into the liquid sending pipe 4 from the liquid sucking pipe 3 and is finally sprayed out from the outlet end of the liquid sending pipe 4 for applying the adhesive, a nozzle or other workpieces suitable for applying the adhesive can be connected to the outlet end of the liquid sending pipe 4, and the liquid sucking pipe 3 and the liquid sending pipe 4 are connected in a sealing mode through a sealing connection plug, so that the air tightness of the joint of the liquid sucking pipe 3 and the liquid sending pipe 4 is guaranteed, and air is prevented from entering the.

In one embodiment, as shown in fig. 6, the first seal-attaching unit 5 includes a first connecting portion 51 to which the pipette 3 is fixed, the first connecting portion 51 includes a first connecting ring 511 and a first screw-threaded connecting portion 512 protruding from an upper end surface of the first connecting ring 511, the first screw-threaded portion 512 is provided with a second external screw 5121, a bottom end of a third cylinder 54 having both ends opened is provided with a second internal screw 541 to be fitted with the second external screw 5121, the third cylinder 54 and the first screw-threaded connecting portion 512 are fixed by screw-fastening, and two fifth through holes 542 are symmetrically provided on a side wall of the third cylinder 54 near the top end; the lower end surface of the first connecting ring 511 is provided with a first cylinder 52 in threaded connection with the bung 22;

as shown in fig. 7, the second seal attachment unit 6 includes a second connection portion 61 for fixing the liquid sending pipe 4, the second connection portion 61 includes a second connection ring 611 and a second threaded connection portion 612 protruding from an upper end surface of the second connection ring 611, the second threaded portion 612 is provided with a third external thread 6121, a bottom end of the bottom-end opened eighth cylinder 64 is provided with a third internal thread 641 matching with the third external thread 6121, the eighth cylinder 64 and the second threaded connection portion 612 are fixed by threaded connection, and a seventh through hole 642 for passing the liquid sending pipe 4 is provided at a center of a top end of the eighth cylinder 64; the lower end surface of the second connecting ring 611 is provided with a sixth cylinder 62 inserted into the third cylinder 54, the outer side wall of the sixth cylinder 62 is symmetrically provided with two grooves 621, an expansion link 622 is fixedly arranged in the grooves 621, a first spring 623 is sleeved outside the expansion link 622, and the two expansion links 622 can be correspondingly inserted into the two fifth through holes 542 of the third cylinder 54.

As shown in fig. 5 to 7, the first seal attachment unit 5 and the second seal attachment unit 6 realize the seal insertion of the pipette 3 and the liquid sending pipe 4 by means of buckling, which is convenient and fast. When the device is used, the pipette 3 and the liquid sending tube 4 are respectively fixed in the first sealing and connecting unit 5 and the second sealing and connecting unit 6, then the buckling operation is carried out, the telescopic rod 622 is aligned to the position right above the fifth through hole 542, the lower end face of the liquid sending tube 4 is opposite to the upper end face of the pipette 3, the first spring 623 on the sixth cylinder 62 can be pressed through the inner side wall of the third cylinder 54 or other modes, the telescopic rod 622 is retracted into the groove 621, the sixth cylinder 62 is downwards moved and inserted into the third cylinder 54, when the liquid sending tube passes through the fifth through hole 542, the pressure of the first spring 623 is released, the telescopic rod 622 is inserted into the fifth through hole 542 through the first spring 623 through resilience, the buckling is completed, and at the moment, the liquid sending tube 4 is partially inserted into the pipette 3, and the sealed insertion of the pipette 3 and the. When the device is disassembled, only reverse operation is needed.

In one embodiment, as shown in fig. 7, the lower end surface of the sixth cylinder 62 is fixedly connected to one end of a second spring 624, the other end of the second spring 624 is fixedly connected to the cleaning cylinder 68, the inner side wall of the cleaning cylinder 68 is slidably abutted to the liquid sending pipe 4, and the lower end surface of the cleaning cylinder 68 and the lower end surface of the liquid sending pipe 4 are located on the same horizontal plane in the natural extension state of the second spring 624.

The cleaning barrel 62 can slide back and forth on the outer side wall of the liquid sending pipe 4 through the second spring 624 to remove pollutants on the outer side wall of the liquid sending pipe 4, so that the condition that the adhesive is adhered to the outer side wall of the liquid sending pipe 4 in the operation process is avoided, and the smooth insertion is further ensured.

In a specific embodiment, as shown in fig. 6 and 7, a first anti-skid mechanism 53 is fixedly arranged on the upper end surface of the first threaded connection portion 512; the first anti-skid mechanism 53 is sleeved on the outer side wall of the pipette 3, and the upper end surface of the third cylinder 54 is higher than the upper end surface of the first anti-skid mechanism 53;

a second anti-skid mechanism 63 is fixedly arranged on the upper end surface of the second threaded connecting part 612; the second anti-slip mechanism 63 is sleeved on the outer side wall of the liquid sending pipe 4.

The first anti-skid mechanism 53 comprises a fourth cylinder 531, a fifth cylinder 532 and an annular first main air bag 533 arranged therebetween, the outer side wall of the fourth cylinder 531 abuts against the inner side wall of the third cylinder 54, a plurality of sixth through holes 5321 are arranged on the side wall of the fifth cylinder 532, a plurality of first air bag protrusions 5331 are arranged at one end of the first main air bag 533 close to the fifth cylinder 532, the plurality of first air bag protrusions 5331 are communicated with the first main air bag 533, the position of the first air bag protrusions 5331 corresponds to the position of the sixth through hole liquid suction pipe 5321, when the first air bag protrusions 5331 are inflated, the top of the first air bag protrusions extend out of the sixth through holes 5321 and are tightly attached to the first main air bag 533, the first air bag 55 is connected to the first main air bag 533, the first air pipe 55 passes through the fourth cylinder 531 and the third cylinder 54 in a sealing manner and is connected to the third air pipe 57 through the first quick connector 56, the third air connecting pipe 57 is connected with the air pump 8;

the second anti-skid mechanism 63 includes a ninth cylinder 631, a tenth cylinder 632 and a circular second main airbag 633 arranged therebetween, the outer sidewall of the ninth cylinder 631 abuts against the inner sidewall of the eighth cylinder 64, a plurality of eighth through holes 6321 are provided on the sidewall of the tenth cylinder 632, a plurality of second airbag protrusions 6331 are provided at one end of the second main airbag 633 close to the tenth cylinder 632, the plurality of second airbag protrusions 6331 communicate with the second main airbag 633, the position of the second airbag protrusions 6331 corresponds to the position of the eighth through holes 6321, when the second airbag protrusions 6331 inflate, the top of the second airbag protrusions 6331 protrude from the eighth through holes 6321 and tightly contact the liquid feeding tube 4, the second main airbag 633 communicates with a second vent pipe 65, the second vent pipe 65 sealingly passes through the ninth cylinder 631 and the eighth cylinder 64 and is connected with the fourth vent pipe 67 through a second quick coupling 66, the fourth air pipe 67 is connected to the air pump 8.

Since the feed of the bucket 2 is performed by the pressure deformation, the pipette 3 and the liquid sending tube 4 are easily distorted in the deformation and distortion process of the bucket 2, so that the pipette 3 and the liquid sending tube 4 are slidingly moved in the first seal-attaching unit 5 and the second seal-attaching unit 6, and the stability of the sealing thereof is affected. By providing the first and second

anti-slip mechanisms

53 and 63, the frictional force between the pipette 3 and the liquid sending tube 4 and the first and second

anti-slip mechanisms

53 and 63 can be increased, and the sealing stability of the connection can be further improved, thereby enhancing the sealing effect.

In one embodiment, as shown in fig. 4, the charging bucket 2 includes a bucket body 21 and a bucket opening 22 disposed above the bucket body 21, the bucket opening 22 is provided with a first external thread 221, and a shoulder 222 is disposed at a position where the bucket opening 22 meets the bucket body 21; as shown in fig. 1, the pipette 3 is inserted into the barrel 21 from the bung 22; the pipette 3 is a flexible pipe which can be expanded radially, the inner diameter of the flexible pipe is slightly smaller than the outer diameter of the liquid sending pipe 4, the liquid sending pipe 4 can be partially inserted into the pipette 3, and the inner diameter of the pipe section where the pipette 3 is inserted is expanded; the pipe wall of the liquid suction pipe 3 is provided with a liquid suction hole 31; as shown in fig. 5 and 6, the first cylinder 52 is provided with a first internal thread 521 corresponding to the first external thread 221 of the bung 22, a lower end surface of the first cylinder 52 is provided with an annular flange 522, and a lower end surface of the annular flange 522 is in sealing contact with an upper end surface of the shoulder 222 of the bung 22.

The pipette 3 has certain flexibility, and the size of its internal diameter slightly is less than the external diameter size of liquid sending pipe 4, like this when liquid sending pipe 4 inserts, can realize pipette 3 and liquid sending pipe 4's interference fit, makes the connection more firmly inseparable, for changing more easily and inserting, can set up conical chamfer at the lower terminal surface of liquid sending pipe 4. Similarly, the opposite arrangement can be made to make the liquid sending tube 4 have a certain flexibility, the inner diameter of the liquid sending tube is slightly smaller than the outer diameter of the liquid sucking tube 3, and then the liquid sucking tube 3 is inserted into the liquid sending tube 4 to realize the firm and tight connection.

In one embodiment, as shown in fig. 1 to 3, the pressurized box 1 is a rectangular box body, and includes a box top 15, a box bottom 16, a front side wall 14, a rear side wall 12, a left side wall 13, and the box door 11 opposite to the left side wall 13;

the lower end surface of the box door 11 is hinged with the box bottom 16, and can rotate clockwise along the hinged position to open the box door 11, and the outer end surface of the box door 11 is provided with a handle 111;

locking pieces 17 are fixedly arranged on the front side wall 14 and the rear side wall 12 respectively, and the locking pieces 17 lock the box door 11, so that a sealed accommodating space is formed inside the pressurizing box 1;

the box top 15 is provided with a first through hole 151, a second through hole 152, a third through hole 153 and a fourth through hole 154 in a penetrating manner, the first through hole 151 penetrates through the liquid sending pipe 4 in a sealing manner, the second through hole 152 penetrates through the third through pipe 57 in a sealing manner, the third through hole 153 penetrates through the fourth through pipe 67 in a sealing manner, and the fourth through hole 154 is connected with the air pressurizing device 7.

The box door 11 is arranged on the side wall of the pressurizing box 1, so that the charging basket 2 can be replaced more conveniently.

The locking device capable of locking the door 11 in a vertical state to form a sealed space inside the pressurized box 1 can be used as the locking member 17 of the present invention, and the present invention provides a preferred locking member 17, as shown in fig. 3, the locking member 17 includes a first fixing seat 171 fixed on the outer end surface of the front side wall 14 or the rear side wall 12, a second fixing seat 172 and a third fixing seat 173 are sequentially fixed on the first fixing seat 171, the second fixing seat 172 is arranged at one end far from the door 11, an air cylinder 174 is fixed on the second fixing seat 172, the air cylinder 174 is connected to a PLC controller, a piston rod thereof is parallel to the first fixing seat 171 and is connected to a sliding rod 175, the sliding rod 175 penetrates through the third fixing seat 173 in a sliding manner, an L-shaped locking block 176 is arranged at one end of the first fixing seat 171 and the sliding rod 175 near the door 11, the locking block 176 has a first hinge 1761 and a second hinge 1762 spaced from each other at an end facing the first fixing seat 171 and the end facing the sliding rod 175, the first hinge 1761 is hinged to the first fixing seat 171, the second hinge 1762 is hinged to the sliding rod 175, and in a locking state, the right-angle portion of the locking block 176 is respectively locked to the door 11 and the front sidewall 14 or the rear sidewall 12.

The locking of the locking piece 17 to the box door 11 is realized through the PLC control cylinder 174, the locking effect is good, and the sealing performance of the pressurizing box 1 can be further improved.

In one embodiment, as shown in fig. 2, a first sliding rail 161 is fixedly disposed on an upper end surface of the box bottom 16, a sliding plate 18 is slidably connected to the first sliding rail 161, an end surface of the sliding plate 18, which is close to one end of the box door 11, is provided with a pull ring 181, and the sliding plate 18 is used for placing the material barrel 2;

the inner end surface of the box door 11 is provided with a second sliding rail 112, when the box door 11 is opened to a horizontal position, the height of the inner end surface of the box door 11 is consistent with that of the upper end surface of the box bottom 16, the height of the second sliding rail 112 is consistent with that of the first sliding rail 161, and the sliding plate 18 can slide between the first sliding rail 161 and the second sliding rail 112 in a reciprocating manner.

The first sliding rail 161 and the second sliding rail 112 are arranged, so that the charging bucket 2 can be replaced conveniently, the labor intensity is reduced, and the labor efficiency is improved.

The use method of the adhesive feeding device comprises the following steps:

a step S100 of inserting the upper end of the pipette 3 into the first seal-attaching unit 5 and the lower end of the liquid sending tube 4 into the second seal-attaching unit 6;

step S200, opening the door 11 to be in a horizontal state, and pulling the sliding plate 18 out of the box bottom 16 onto the second sliding rail 112 of the door 11;

step S300 of inserting the pipette 3 into the barrel 2 from the bung 22, screwing the first seal attachment unit 5 to the bung 22, and causing the lower end face of the annular flange 522 to abut closely against the upper end face of the shoulder 222;

step S400, placing the charging basket 2 on the sliding plate 18, and pushing the sliding plate 18 back into the pressurizing box 1;

step S500, inserting the second seal attachment unit 6 into the first seal attachment unit 5 so that the liquid sending tube 4 is inserted into the upper end of the liquid sending tube 3;

step S600, communicating the first vent pipe 55 with a third vent pipe 57 through a first quick connector 56; the second vent pipe 65 is communicated with a fourth vent pipe 67 through a second quick joint 66; the first main air bag 533 and the second main air bag 633 are inflated by the air pump 8, so that the first air bag bulge 5331 and the second air bag bulge 6331 are respectively and tightly attached to the outer side walls of the liquid suction pipe 3 and the liquid sending pipe 4;

step S700, closing the box door 11, and sealing and locking the box door 11 through the locking piece 17, and the method comprises the following specific steps:

step S710, the PLC controls the extension of a piston rod of the air cylinder 174;

step S720, the sliding rod 175 slides towards the direction of the box door 11 under the pushing of the piston rod;

step S730, the sliding rod 175 pushes the locking block 176 to be tightly fastened to the door 11;

step S800, the pressure is applied to the pressure box 1 through the air pressurizing device 7, the charging basket 2 is extruded and deformed, the adhesive in the charging basket 2 enters a feeding flow path jointly formed by the liquid suction pipe 3 and the liquid sending pipe 4 through the liquid suction pipe 3, and finally the adhesive is discharged from the discharging end of the liquid sending pipe 4 for use.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.

Claims

1. An adhesive feeding device comprises a pressure box (1) and a charging basket (2) placed in the pressure box (1), and is characterized in that the charging basket (2) is made of a flexible plastic material which deforms under pressure, the pressure box (1) is externally connected with an air pressurizing device (7), a liquid suction pipe (3) is arranged in the charging basket (2), and the liquid suction pipe (3) is connected with a liquid feeding pipe (4) in an inserting manner through a sealing connecting piece; the seal attachment member includes a first seal attachment unit (5) and a second seal attachment unit (6), the first seal attachment unit (5) having one end detachably connected to a bung (22) of the charging basket (2) and the other end inserted into the second seal attachment unit (6); the first seal attachment unit (5) internally fixes the pipette (3), and the second seal attachment unit (6) internally fixes the liquid sending pipe (4);

the first seal attachment unit (5) comprises a first connection part (51) for fixing the pipette (3), the first connection part (51) comprises a first connection ring (511) and a first threaded connection part (512) protruding out of the upper end face of the first connection ring (511), the bottom end of a third cylinder (54) with two open ends is in threaded connection with the first threaded connection part (512), and two fifth through holes (542) are symmetrically formed in the side wall close to the top end; the lower end face of the first connecting ring (511) is provided with a first cylinder (52) in threaded connection with the bung (22);

the second seal attachment unit (6) includes a second connection part (61) fixing the liquid sending pipe (4), the second connection part (61) includes a second connection ring (611) and a second screw connection part (612) protruding from the upper end surface of the second connection ring (611), the bottom end of an eighth cylinder (64) with an open bottom end is screw-connected with the second screw connection part (612), and a seventh through hole (642) for the liquid sending pipe (4) to pass through is formed in the center of the top end; the lower end face of the second connecting ring (611) is provided with a sixth cylinder (62) inserted into the third cylinder (54), the outer side wall of the sixth cylinder (62) is symmetrically provided with two grooves (621), an expansion link (622) is fixedly arranged in each groove (621), a first spring (623) is sleeved outside the expansion link (622), and the two expansion links (622) can be correspondingly inserted into the two fifth through holes (542) of the third cylinder (54).

2. The adhesive feeding device according to claim 1, wherein the lower end surface of the sixth cylinder (62) is fixedly connected with one end of a second spring (624), the other end of the second spring (624) is fixedly connected with a cleaning barrel (68), the inner side wall of the cleaning barrel (68) is in sliding contact with the liquid feeding pipe (4), and the lower end surface of the cleaning barrel (68) and the lower end surface of the liquid feeding pipe (4) are positioned on the same horizontal plane in the natural extension state of the second spring (624).

3. The adhesive feeding device according to claim 1, wherein a first anti-slip mechanism (53) is fixedly arranged on the upper end surface of the first threaded connection part (512); the first anti-skid mechanism (53) is sleeved on the outer side wall of the liquid suction pipe (3), and the upper end surface of the third cylinder (54) is higher than that of the first anti-skid mechanism (53);

a second anti-skid mechanism (63) is fixedly arranged on the upper end face of the second threaded connecting part (612); the second anti-skid mechanism (63) is sleeved on the outer side wall of the liquid sending pipe (4).

4. The adhesive feeding device according to claim 3, wherein the first anti-slip mechanism (53) comprises a fourth cylinder (531), a fifth cylinder (532) and a first annular main air bag (533) disposed therebetween, the outer sidewall of the fourth cylinder (531) abuts against the inner sidewall of the third cylinder (54), the sidewall of the fifth cylinder (532) is provided with a plurality of sixth through holes (5321), one end of the first main air bag (533) close to the fifth cylinder (532) is provided with a plurality of first air bag protrusions (5331), the plurality of first air bag protrusions (5331) are communicated with the first main air bag (533), the positions of the first air bag protrusions (5331) correspond to the positions of the sixth through holes (5321), and when the first air bag protrusions (5331) are inflated, the tops thereof protrude from the sixth through holes (5321) and are tightly attached to the first air bag (3), the first main air bag (533) is connected with a first vent pipe (55), the first vent pipe (55) hermetically penetrates through the fourth cylinder (531) and the third cylinder (54) and is connected with a third vent pipe (57) through a first quick joint (56), and the third vent pipe (57) is connected with an air pump (8);

the second anti-skid mechanism (63) comprises a ninth cylinder (631), a tenth cylinder (632) and an annular second main airbag (633) arranged between the ninth cylinder and the tenth cylinder, wherein the outer side wall of the ninth cylinder (631) abuts against the inner side wall of the eighth cylinder (64), a plurality of eighth through holes (6321) are formed in the side wall of the tenth cylinder (632), a plurality of second airbag protrusions (6331) are arranged at one end, close to the tenth cylinder (632), of the second main airbag (633), the plurality of second airbag protrusions (6331) are communicated with the second main airbag (633), the positions of the second airbag protrusions (6331) correspond to the positions of the eighth through holes (6321), when the second airbag protrusions (6331) inflate, the tops of the second airbag protrusions protrude from the eighth through holes (6321) and are tightly attached to the liquid sending pipe (4), and the second main airbag (633) is communicated with a second vent pipe (65), the second vent pipe (65) penetrates through the ninth cylinder (631) and the eighth cylinder (64) in a sealing mode and is connected with a fourth vent pipe (67) through a second quick connector (66), and the fourth vent pipe (67) is connected with an air pump (8).

5. The adhesive feeding device according to claim 4, wherein the charging barrel (2) comprises a barrel body (21) and a barrel opening (22) arranged above the barrel body (21), the barrel opening (22) is provided with a first external thread (221), and a shoulder (222) is arranged at the joint of the barrel opening (22) and the barrel body (21); the pipette (3) is inserted into the barrel body (21) from the bung (22), the pipette (3) is a flexible tube which can be radially expanded and has an inner diameter which is slightly smaller than the outer diameter of the liquid sending tube (4), the liquid sending tube (4) can be partially inserted into the pipette (3) and expands the inner diameter of the section of the tube in which the pipette (3) is inserted; the pipe wall of the liquid suction pipe (3) is provided with a liquid suction hole (31); the first cylinder (52) is provided with a first internal thread (521) corresponding to the first external thread (221) of the bung (22), the lower end face of the first cylinder (52) is provided with an annular flange (522), and the lower end face of the annular flange (522) is in sealing fit with the upper end face of the shoulder (222) of the bung (22).

6. Adhesive feeding device according to claim 5, characterized in that the pressurized tank (1) is a rectangular tank comprising a tank top (15), a tank bottom (16), a front side wall (14), a rear side wall (12), a left side wall (13) and a tank door (11) opposite to the left side wall (13);

the lower end surface of the box door (11) is hinged with the box bottom (16) and can rotate clockwise along the hinged position to open the box door (11), and a handle (111) is arranged on the outer end surface of the box door (11);

locking pieces (17) are fixedly arranged on the front side wall (14) and the rear side wall (12) respectively, and the locking pieces (17) lock the box door (11) so that a sealed accommodating space is formed inside the pressurizing box (1);

the box top (15) is provided with a first through hole (151), a second through hole (152), a third through hole (153) and a fourth through hole (154) in a penetrating mode, the first through hole (151) penetrates through the liquid sending pipe (4) in an internal seal mode, the second through hole (152) penetrates through the third through pipe (57) in an internal seal mode, the third through hole (153) penetrates through the fourth through pipe (67) in an internal seal mode, and the fourth through hole (154) is connected with the air supercharging device (7).

7. The adhesive feeding device according to claim 6, wherein the locking member (17) comprises a first fixing seat (171) fixed on the outer end surface of the front side wall (14) or the rear side wall (12), a second fixing seat (172) and a third fixing seat (173) are sequentially fixed on the first fixing seat (171), the second fixing seat (172) is arranged at one end far away from the door (11), an air cylinder (174) is fixedly arranged on the second fixing seat (172), the air cylinder (174) is connected with a PLC controller, a piston rod of the air cylinder is parallel to the first fixing seat (171) and is connected with a sliding rod (175), the sliding rod (175) slidably penetrates through the third fixing seat (173), an L-shaped locking block (176) is arranged at one end of the first fixing seat (171) and the sliding rod (175) close to the door (11), and the locking block (176) faces the first fixing seat (171) and one end of the sliding rod (175) at a spacing interval The locking device is provided with a first hinge part (1761) and a second hinge part (1762), the first hinge part (1761) is hinged with the first fixed seat (171), the second hinge part (1762) is hinged with the sliding rod (175), and in a locking state, the right-angle part of the locking block (176) respectively locks the box door (11) and the front side wall (14) or the rear side wall (12).

8. Adhesive feeding device according to claim 7,

a first sliding rail (161) is fixedly arranged on the upper end surface of the box bottom (16), a sliding plate (18) is connected on the first sliding rail (161) in a sliding manner, a pull ring (181) is arranged at one end, close to the box door (11), of the upper end surface of the sliding plate (18), and the charging basket (2) is placed on the sliding plate (18);

the inner end surface of the box door (11) is provided with a second sliding rail (112), when the box door (11) is opened to a horizontal position, the height of the inner end surface of the box door (11) is consistent with that of the upper end surface of the box bottom (16), the height of the second sliding rail (112) is consistent with that of the first sliding rail (161), and the sliding plate (18) can slide between the first sliding rail (161) and the second sliding rail (112) in a reciprocating mode.

9. The method of using an adhesive supply device of claim 8, comprising the steps of:

step S100 of inserting the upper end of the pipette (3) into the first seal-attaching unit (5) and the lower end of the liquid sending tube (4) into the second seal-attaching unit (6);

step S200, opening the door (11) to be in a horizontal state, and pulling out the sliding plate (18) from the box bottom (16) to a second sliding track (112) of the door (11);

step S300, inserting a pipette (3) into the material barrel (2) from the bung (22), connecting the first seal attachment unit (5) with the bung (22) by screw thread, and making the lower end face of the annular flange (522) tightly abut against the upper end face of the shoulder (222);

s400, placing the charging basket (2) on the sliding plate (18), and pushing the sliding plate (18) back into the pressure box (1);

step S500, inserting the second sealing and connecting unit (6) and the first sealing and connecting unit (5) to enable the liquid sending pipe (4) to be inserted into the upper end of the liquid sending pipe (3);

s600, communicating a first vent pipe (55) with a third vent pipe (57) through a first quick connector (56); the second vent pipe (65) is communicated with a fourth vent pipe (67) through a second quick joint (66); inflating the first main air bag (533) and the second main air bag (633) through an air pump (8) to enable the first air bag bulge (5331) and the second air bag bulge (6331) to be tightly attached to the outer side walls of the liquid suction pipe (3) and the liquid sending pipe (4) respectively;

step S700, closing the box door (11), and sealing and locking the box door (11) through a locking piece (17), wherein the method comprises the following specific steps:

step S710, the PLC controls a piston rod of the air cylinder (174) to extend;

step S720, the sliding rod (175) slides towards the direction of the box door (11) under the pushing of the piston rod;

step 730, the sliding rod (175) pushes the locking block (176) to be tightly clamped with the box door (11);

and step S800, pressurizing the inside of the pressurizing box (1) through an air pressurizing device (7), extruding and deforming the charging basket (2), enabling the adhesive in the charging basket (2) to enter a feeding flow path jointly formed by the liquid suction pipe (3) and the liquid sending pipe (4) through the liquid suction pipe (3), and finally discharging the adhesive from the discharging end of the liquid sending pipe (4) for use.